CN110056613B - Gear box capable of automatically supplying lubricating oil - Google Patents

Gear box capable of automatically supplying lubricating oil Download PDF

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Publication number
CN110056613B
CN110056613B CN201910367237.6A CN201910367237A CN110056613B CN 110056613 B CN110056613 B CN 110056613B CN 201910367237 A CN201910367237 A CN 201910367237A CN 110056613 B CN110056613 B CN 110056613B
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China
Prior art keywords
gear
lubricating oil
input shaft
synchronous
oil
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CN201910367237.6A
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Chinese (zh)
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CN110056613A (en
Inventor
梅厚凤
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Lonking Fujian Bridge Box Co Ltd
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Lonking Fujian Bridge Box Co Ltd
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Priority to CN201910367237.6A priority Critical patent/CN110056613B/en
Publication of CN110056613A publication Critical patent/CN110056613A/en
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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
    • F16H3/087—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 characterised by the disposition of the gears
    • 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
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F16H57/0436—Pumps
    • 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)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a gear box for automatically supplying lubricating oil, which comprises an input component, an output component and a lubricating oil spraying component arranged above the input component and the output component, wherein the input component comprises an input shaft and a driving gear coaxially and movably sleeved on the input shaft, a clutch is arranged between the input shaft and the driving gear, the clutch is set to be in a combined state and a separated state which can be mutually switched and is initially in the combined state, the clutch comprises a hydraulic pushing mechanism used for controlling the clutch to be mutually switched between the combined state and the separated state, when the lubricating oil is insufficient, the hydraulic pushing mechanism controls the clutch to provide power for the lubricating oil spraying part, the lubricating oil spraying part absorbs lubricating oil at the bottom of the speed reducer to spray and lubricate the input part and the output part, when the lubricating oil is used up, the hydraulic pushing mechanism controls the clutch to be switched from a combined state to a separated state, the input shaft cuts off power transmission of the driving gear to form self protection, and the user is warned to be filled with lubricating oil in an early warning mode.

Description

Gear box capable of automatically supplying lubricating oil
Technical Field
The invention relates to a gearbox, in particular to a gearbox capable of automatically supplying lubricating oil.
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 speed reducer which is ingenious in structure, simple in principle, capable of monitoring the quantity of lubricating oil and short of lubricating oil.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The transmission case comprises an input component connected with a power source, an output component connected with a load and a lubricating oil spraying component arranged above the input component and the output component, wherein 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 input shaft and the driven gear is arranged between the driving gear and the driven gear, 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 set to be in a combined state and a separated state which can be mutually switched, the clutch is in the combined state, the initial state is the combined state, the clutch comprises a hydraulic pushing mechanism used for controlling the hydraulic pushing mechanism to be mutually switched between the combined state and the separated state, the hydraulic pushing mechanism detects the residual quantity of, The hydraulic pressure pushing mechanism in the full pushing state and the half pushing state controls the clutch to be in a combined state, the clutch controlled in the half pushing state provides power for the lubricating oil spraying component, and the lubricating oil spraying component is used for absorbing lubricating oil to spray and lubricate the input component and the output component;
the device comprises an input component, an output component and a shell, wherein the input component is connected with the outside of the output component in a detachable mode, the shell is connected with the outside of the output component in a second mode, the shell is located between the input component and the output component, the shell is fixedly connected with one end face of the mounting plate and forms a first closed cavity, the shell is fixedly connected with the other end face of the mounting plate and forms a second closed cavity, the first closed cavity is communicated with the second closed cavity, an input shaft is rotatably arranged on the shell in a rotating mode, a driving end is located outside the second closed cavity, an output end extends to the first closed cavity through a round opening formed in the mounting plate, an output shaft is rotatably arranged on the shell in a rotating mode, the driving end is connected with the input shaft in a coaxial rotating.
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.
The clutch is coaxially sleeved on the input shaft and comprises a synchronous lantern ring in spline connection and matching with the input shaft, the synchronous lantern ring and the input shaft are coaxially arranged, 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, a first arc-shaped mounting groove matched with the synchronous turntable is formed in the outer circular surface of the synchronous turntable, the first mounting groove is positioned on one end surface, close to the two chambers, of the synchronous turntable, three first mounting grooves are arranged in an array mode along the circumferential direction of the synchronous turntable, the first mounting groove is arranged in an array mode along the radial direction of the synchronous turntable and communicated with the first mounting groove, the second mounting groove is arranged in an array mode along the circumferential direction of the synchronous turntable, and the second mounting groove penetrates through the synchronous lantern ring at the middle, an arc-shaped hub matched with the mounting groove I is movably arranged in the mounting groove I, a hub strip is arranged on the outer circular surface of the arc-shaped hub, and a plurality of hub strips are arranged in an array along the arc direction of the hub strip;
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, and the hub strip is abutted against the hub groove in an initial state;
the opening of the combined cylinder body is coaxially and fixedly provided with a limiting ring, the limiting ring is abutted to the synchronous turntable, and a cover plate fixedly connected with the synchronous turntable is arranged at the joint of the first mounting groove and the second mounting groove.
As a further optimization or improvement of the present solution.
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, and the spring coefficient of the separation spring is far smaller than that of the compression spring, and in an initial state, the abutting ring is arranged close to the synchronous lantern ring, and the compression spring and the separation spring are both in a compressed state.
As a further optimization or improvement of the present solution.
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 two sliding discs which are coaxially sleeved on the input shaft in a rotating mode, the sliding discs are mutually buckled, annular sealing cavities are arranged on one end faces, close to the sliding discs, of the sliding discs, a circular mounting groove III is arranged on one end face, close to the pushing ring, of the sliding discs, the mounting groove III is provided with a plurality of oil cylinders I which are arranged in an array mode along the circumferential direction of the sliding discs, the oil cylinders I are communicated with the sealing cavities are arranged in the mounting groove III, the axial direction of the oil cylinders I is parallel to the axial direction of the sliding discs, a piston rod I which extends towards the pushing ring is coaxially arranged in the oil cylinders I, and, the hydraulic pushing mechanism further comprises a buoyancy control component, and the buoyancy control component is used for detecting the allowance of lubricating oil in the second cavity and supplying hydraulic oil to the first oil cylinder according to the allowance;
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;
the top of the second oil cylinder is provided with an oil injection pipe which is vertically and upwards arranged in a communicated mode, the oil injection pipe extends to the outside of the second machine shell, and a screw plug II matched with the oil injection pipe is arranged at the inlet of the oil injection pipe.
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 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 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 a diagram showing the combination of the input unit and the output unit.
Fig. 5 is an exploded view of the input and output components.
Fig. 6 is a schematic structural view of the step gear.
FIG. 7 is an engagement diagram of the clutch with the input member.
FIG. 8 is a clutch-to-input member engagement diagram.
Fig. 9 is a schematic diagram of the internal structure of the clutch.
Fig. 10 is a schematic view of the internal structure of the clutch.
Fig. 11 is a schematic diagram of the internal structure of the clutch.
Fig. 12 is an exploded view of the clutch.
Fig. 13 is a partial structural schematic view of the clutch.
Fig. 14 is a diagram of the clutch and the hydraulic pushing mechanism.
Fig. 15 is a schematic structural view of the hydraulic pushing mechanism.
Fig. 16 is a schematic structural view of the hydraulic pushing mechanism.
Fig. 17 is a schematic view of the internal structure of the hydraulic pushing mechanism.
FIG. 18 is a schematic structural view of a buoyancy control member.
FIG. 19 is a schematic view of the internal structure of the buoyancy control member.
Fig. 20 is a diagram showing the lubricating oil shower member and the clutch in the engaged state.
Fig. 21 is an engagement diagram of the lubricating oil shower member and the clutch.
Fig. 22 is a diagram showing the lubricating oil shower member and the clutch in the disengaged state.
Fig. 23 is a schematic structural view of the lubricating oil shower member.
Fig. 24 is an installation view of the lubricating oil shower member.
Labeled as:
110. an input section; 111. an input shaft; 112. a driving gear; 120. an output member; 121. an output shaft; 122. a drive shaft; 123. a first step gear; 124. a second step gear; 125. a third step gear; 126. a driven gear; 131. a first machine shell; 132. a second machine shell; 133. mounting a plate; 134. a first screw plug;
200. a clutch; 201. a synchronizing collar; 202. a synchronous turntable; 202a, a first mounting groove; 202b and a second mounting groove; 203. an arcuate hub; 203a, a hub strip; 203b, a hinge block; 204. a cover plate; 205. combining the cylinder body; 205a, a hub slot; 205b, a stop collar; 206. pushing the ring; 207. a sliding gear; 208. a compression spring; 209. a separation spring; 210. a hydraulic pushing mechanism; 211. a sliding disk; 212. sealing the cavity; 213. an oiling interface; 214. a third mounting groove; 215. a first oil cylinder; 216. a first piston rod; 220. a buoyancy control member; 221. a second oil cylinder; 222. a piston rod II; 223. a floating ball; 224. a conduit; 225. an oil filling pipe; 226. a second screw plug;
300. a lubricating oil spray part; 301. an oil pump; 302. a drive gear; 303. an oil inlet pipe; 304. a shower pipe; 305. and (4) a spray head.
Detailed Description
The transmission case for automatically supplying lubricating oil comprises an input component 110 connected with a power source, an output component 120 connected with a load and a lubricating oil spray component 200 arranged above the input component 110 and the output component 120, wherein the input component 110 comprises an input shaft 111 and a driving gear 112 coaxially and movably sleeved on the 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, 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 set to be in a combined state and a separated state which can be mutually switched, the initial state is the combined state, the clutch 200 comprises a hydraulic pressure pushing mechanism 210 for controlling the clutch to be mutually switched between the combined, 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 spray component 300, the lubricating oil spray 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 spray 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 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 spray pipe 304 is communicated with the output end and arranged and extending to the top of the two chambers, the extending end of the spray pipe 304 is closed, a spray head 305 vertically arranged downwards is arranged on the outer circular surface of the spray pipe 304, and the spray head 305 is provided with a, 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 (10)

1. The automatic gearbox that supplyes of lubricating oil, its characterized in that: the clutch comprises a hydraulic pushing mechanism for controlling the clutch to be switched between a combined state and a separated state, the hydraulic pushing mechanism detects the residual quantity of lubricating oil through buoyancy and can be in a full pushing state, The clutch is controlled to be in a combined state by the hydraulic pushing mechanism in the full pushing state and the hydraulic pushing mechanism in the half pushing state, and the clutch controlled in the half pushing state provides power for the lubricating oil spraying component which is used for absorbing lubricating oil to spray and lubricate the input component and the output component.
2. The transmission of claim 1, wherein the input member and the output member are provided at their outer portions with a first housing, a second housing and a mounting plate therebetween, the first housing is fixedly connected to one end surface of the mounting plate and forms a first sealed chamber, the second housing is fixedly connected to the other end surface of the mounting plate and forms a second sealed chamber, the first chamber is communicated with the second chamber, the input shaft is rotatably provided at the second housing and has a driving end located at the outer portion of the second housing and an output end extending from a circular opening formed in the mounting plate to the first chamber, the output shaft is rotatably provided at the first housing and has a driving end coaxially rotatably connected to and engaged with the input shaft and an output end extending to the outer portion of the first housing, 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.
3. The automatic lubricating oil-replenishing transmission according to claim 2, characterized in that: 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.
4. The automatic lubricating oil-replenishing transmission according to claim 2, characterized in that: the clutch is coaxially sleeved on the input shaft and comprises a synchronous lantern ring in spline connection and matching with the input shaft, the synchronous lantern ring and the input shaft are coaxially arranged, 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, a first arc-shaped mounting groove matched with the synchronous turntable is formed in the outer circular surface of the synchronous turntable, the first mounting groove is positioned on one end surface, close to the two chambers, of the synchronous turntable, three first mounting grooves are arranged in an array mode along the circumferential direction of the synchronous turntable, the first mounting groove is arranged in an array mode along the radial direction of the synchronous turntable and communicated with the first mounting groove, the second mounting groove is arranged in an array mode along the circumferential direction of the synchronous turntable, and the second mounting groove penetrates through the synchronous lantern ring at the middle, the first mounting groove is internally and movably provided with an arc-shaped hub matched with the first mounting groove, a plurality of hub strips are arranged on the outer circular surface of the arc-shaped hub in an array mode along the arc direction of the hub strips.
5. The automatic lubricating oil supply transmission according to claim 4, wherein: 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, and the hub strip is abutted against the hub groove in an initial state;
the opening of the combined cylinder body is coaxially and fixedly provided with a limiting ring, the limiting ring is abutted to the synchronous turntable, and a cover plate fixedly connected with the synchronous turntable is arranged at the joint of the first mounting groove and the second mounting groove.
6. The automatic lubricating oil-replenishing transmission according to claim 5, characterized in that: 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, and the spring coefficient of the separation spring is far smaller than that of the compression spring, and in an initial state, the abutting ring is arranged close to the synchronous lantern ring, and the compression spring and the separation spring are both in a compressed state.
7. The automatic lubricating oil supply transmission according to claim 1 or 6, characterized in that: 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 two sliding discs which are coaxially sleeved on the input shaft in a rotating mode, the sliding discs are mutually buckled, annular sealing cavities are arranged on one end faces, close to the sliding discs, of the sliding discs, a circular mounting groove III is arranged on one end face, close to the pushing ring, of the sliding discs, the mounting groove III is provided with a plurality of oil cylinders I which are arranged in an array mode along the circumferential direction of the sliding discs, the oil cylinders I are communicated with the sealing cavities are arranged in the mounting groove III, the axial direction of the oil cylinders I is parallel to the axial direction of the sliding discs, a piston rod I which extends towards the pushing ring is coaxially arranged in the oil cylinders I, and, the hydraulic pushing mechanism further comprises a buoyancy control component, and the buoyancy control component is used for detecting the allowance of lubricating oil in the second cavity and supplying hydraulic oil to the first oil cylinder according to the allowance.
8. The automatic lubricating oil replenishing transmission according to claim 7, characterized in that: 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 which is matched with an inner cavity 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 floats on the surface of lubricating oil all the time, and a guide pipe used for communicating the top end of the second oil cylinder and the oil filling connector is arranged between the top end of the second oil cylinder and the oil filling.
9. The automatic lubricating oil replenishing transmission according to claim 8, wherein: the top of the second oil cylinder is provided with an oil injection pipe which is vertically and upwards arranged in a communicated mode, the oil injection pipe extends to the outside of the second machine shell, and a screw plug II matched with the oil injection pipe is arranged at the inlet of the oil injection pipe.
10. The automatic lubricating oil replenishing transmission according to claim 8, wherein: 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 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 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.
CN201910367237.6A 2019-05-05 2019-05-05 Gear box capable of automatically supplying lubricating oil Active CN110056613B (en)

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CN114321331B (en) * 2022-01-05 2023-09-01 国网浙江杭州市萧山区供电有限公司 Detection device for planetary gear reducer

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US20060179973A1 (en) * 2003-03-10 2006-08-17 Yanmar Co., Ltd. Baffle plate and transmission
JP4605228B2 (en) * 2006-02-07 2011-01-05 トヨタ自動車株式会社 Lubrication device and oil pan
ES2496417T3 (en) * 2011-11-30 2014-09-19 Siemens Aktiengesellschaft Gear for industrial applications or wind power installations
KR20170062023A (en) * 2015-11-27 2017-06-07 쌍용자동차 주식회사 connection structure of automatic transmission oil tube for automobile
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
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CN108331910B (en) * 2018-04-16 2021-03-26 付洁 New energy automobile transmission

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