CN112032287A - Gear transmission lubricating structure - Google Patents
Gear transmission lubricating structure Download PDFInfo
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- CN112032287A CN112032287A CN202010927782.9A CN202010927782A CN112032287A CN 112032287 A CN112032287 A CN 112032287A CN 202010927782 A CN202010927782 A CN 202010927782A CN 112032287 A CN112032287 A CN 112032287A
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- front baffle
- connecting shaft
- gear
- baffle
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 90
- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 239000004519 grease Substances 0.000 claims abstract description 35
- 238000005461 lubrication Methods 0.000 claims abstract description 28
- 239000003921 oil Substances 0.000 claims description 207
- 239000010687 lubricating oil Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 10
- 241000227287 Elliottia pyroliflora Species 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
- F16H1/10—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes one of the members being internally toothed
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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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0493—Gearings with spur or bevel gears
- F16H57/0495—Gearings with spur or bevel gears with fixed gear ratio
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H2055/0893—Profiling for parallel shaft arrangement of toothed members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a gear transmission lubricating structure, which comprises a tooth surface lubricating structure, a driving gear and a gear ring, wherein the tooth surface lubricating structure comprises a gear surface lubricating structure body and a gear ring; the driving gear can be meshed with the gear ring; the tooth surface lubricating structure is arranged on the driving gear and can lubricate a tooth surface meshed between the driving gear and the gear ring; the gear transmission lubricating structure provided by the invention rotates along with the driving gear so as to achieve the purpose of fixed point lubrication, and can effectively solve the technical problems that the working strength is high, the cost is high, lubricating grease cannot be added to a working tooth surface which is frequently rotated and meshed in a small angle, the uniform lubrication of the working tooth surface on the whole width of a meshing tooth cannot be ensured, and the like in the conventional lubricating mode.
Description
Technical Field
The invention belongs to the technical field of gear transmission lubrication, and particularly relates to a gear transmission lubricating structure.
Background
At present, for the lubrication of the existing open gear transmission, particularly the lubrication of the gears of large equipment, such as equipment of a port crane and the pitch and yaw of a wind generating set, the following three modes are generally adopted:
firstly, manually and periodically coating lubricating grease; but its disadvantages include: because the maintenance belongs to high-altitude operation and the internal space is narrow, the maintenance is not timely, the maintenance difficulty is high, the reasonable lubrication cannot be ensured, and the labor intensity and the cost of workers are increased;
secondly, a lubricating pinion for greasing is additionally arranged; but its disadvantages include: the method can only smear lubricating grease on the tooth surface meshed with the lubricating pinion, for example, open gears at the positions of a variable pitch bearing and a yaw bearing of a wind generating set are always in a micro-motion or small-angle rotation state, the open gears near the angle are frequently in a rotation meshing state, and the tooth surface at the position is easy to be worn out prematurely due to the loss of the lubricating grease;
thirdly, a fixed point injection lubricating device is additionally arranged; but its disadvantages include: in this way, the lubricating grease can only be sprayed to the vicinity of the end face on one side of the meshing tooth, and uniform lubrication of the working face over the entire width of the meshing tooth cannot be ensured.
Based on the technical problems in the above-mentioned gear lubrication, no relevant solution exists; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide a gear transmission lubricating structure aiming at overcoming the defects in the prior art and aims to solve the problem of the existing gear lubrication.
The invention provides a gear transmission lubricating structure, which comprises a tooth surface lubricating structure, a driving gear and a gear ring, wherein the tooth surface lubricating structure comprises a gear surface lubricating structure body and a gear ring; the driving gear can be meshed with the gear ring; the tooth surface lubricating structure is arranged on the driving gear and can lubricate tooth surfaces meshed between the driving gear and the gear ring.
Furthermore, the gear ring is an inner gear ring, and the inner gear ring is meshed with the driving gear through inner gear teeth; the tooth surface lubricating structure comprises a fixed support, a connecting shaft, a front baffle, a rear baffle and an oil conveying pipe; the connecting shaft is arranged on the fixed support, and a lubricating oil channel is arranged in the connecting shaft along the axial direction; the front baffle is arranged on the connecting shaft and can rotate around the connecting shaft, an oil conveying channel is arranged in the front baffle, and the oil conveying channel can be communicated with the lubricating oil channel in the rotating process of the front baffle; the oil delivery pipe is arranged at the tooth root of the driving gear; one end of the oil delivery pipe is connected to the front baffle and is communicated with the oil delivery channel; the other end of the oil pipeline is connected to the rear baffle; the oil delivery pipe is provided with an oil outlet; the driving gear is clamped between the front baffle and the rear baffle and can drive the front baffle and/or the rear baffle and/or the oil conveying pipe to rotate together.
Furthermore, the gear ring is an outer gear ring, and the outer gear ring is mutually meshed with the driving gear through outer gear teeth; the tooth surface lubricating structure comprises a fixed support, a connecting shaft, a front baffle, a rear baffle and an oil conveying pipe; the connecting shaft is arranged on the fixed support, and a lubricating oil channel is arranged in the connecting shaft along the axial direction; the front baffle is arranged on the connecting shaft and can rotate around the connecting shaft, an oil conveying channel is arranged in the front baffle, and the oil conveying channel can be communicated with the lubricating oil channel in the rotating process of the front baffle; the oil delivery pipe is arranged at the tooth root of the driving gear; one end of the oil delivery pipe is connected to the front baffle and is communicated with the oil delivery pipeline; the other end of the oil pipeline is connected to the rear baffle; the oil delivery pipe is provided with an oil outlet; the driving gear is clamped between the front baffle and the rear baffle and can drive the front baffle and/or the rear baffle and/or the oil conveying pipe to rotate together.
Furthermore, the tooth surface lubricating structure also comprises an oil inlet joint, the oil inlet joint is arranged at one end part of the connecting shaft, an oil delivery port is arranged in the oil inlet joint, and the oil delivery port is communicated with the lubricating oil channel; the oil inlet joint is used for connecting a centralized lubricating system.
Further, the tooth surface lubricating structure further comprises a compression spring; the compression spring is sleeved on the boss of the connecting shaft and clamped between the fixed support and the front baffle.
Furthermore, one end of the connecting shaft is connected with the fixed bracket through a key; the front baffle can rotate 360 degrees around the connecting shaft.
Furthermore, a positioning pin shaft is arranged at the other end of the connecting shaft, and one end of the positioning pin shaft is arranged on the connecting shaft through threads and is coaxial with the connecting shaft; the other end of the positioning pin shaft is arranged in a central hole of the driving gear and is coaxial with the driving gear.
Furthermore, a copper sleeve is sleeved on the connecting shaft, is positioned between the connecting shaft and the connecting position of the front baffle and is tightly matched with the front baffle; the copper sleeve can rotate around the connecting shaft along with the front baffle; a sealing ring is also arranged between the copper sleeve and the connecting shaft; the copper sheathing both sides are located the front and back both sides of preceding baffle and are equipped with the packing ring respectively, and the packing ring is located drive gear one side and still is equipped with the retaining ring.
Furthermore, tooth roots of the driving gear are provided with tooth-shaped grooves along the axial direction of the driving gear, the oil conveying pipes are arranged in the tooth-shaped grooves, and the number of the oil conveying pipes is the same as the tooth number of the driving gear; the end part of the oil conveying pipe is provided with an oil inlet which is communicated with the oil conveying channel; the oil conveying pipe is provided with a plurality of oil outlets along the oil inlet direction; the diameters of the oil outlets are sequentially increased from near to far along the oil inlet direction of the oil conveying pipe; and/or the oil outlets are respectively arranged towards the meshing teeth.
Further, the front baffle is a circular plate; a plurality of oil conveying channels are arranged in the front baffle plate along the radial direction of the front baffle plate, and each oil conveying channel is independently communicated with one oil conveying pipe; and in the rotating process of the front baffle, part of oil delivery channels of the front baffle are respectively communicated with oil delivery pipes at corresponding positions, so that lubricating grease is simultaneously output to 3-4 tooth surfaces at the meshing position.
Further, the oil conveying pipe is a metal pipe or a plastic pipe or a rubber pipe; the oil conveying pipes are uniformly distributed on the same circumference; each oil delivery pipe is arranged in a gap between the tooth root and the tooth tip of the meshing tooth.
Further, the front baffle and the rear baffle are circular plates respectively; tooth-shaped grooves are respectively formed on the end surfaces of the front baffle and the rear baffle; two ends of the driving gear are respectively arranged in the tooth-shaped grooves of the front baffle and the rear baffle so as to be clamped between the front baffle and the rear baffle to form a sealed lubricating space; the lubricating space is used for storing grease.
Furthermore, the tooth-shaped grooves are directly arranged on the end surfaces of the front baffle and the rear baffle; or the end surfaces of the front baffle and the rear baffle are respectively provided with a sealing gasket, and a tooth-shaped groove is formed on the sealing gasket; the sealing gasket is a rubber gasket or a nylon gasket or a plastic gasket; and/or the front baffle and the rear baffle are formed by assembling a plurality of baffles respectively.
Furthermore, the tooth surface lubricating structure comprises a fixed support, a connecting shaft, a front baffle, a rear baffle and an oil conveying pipe; the connecting shaft is arranged on the fixed support, and a lubricating oil channel is arranged in the connecting shaft along the axial direction; the front baffle is arranged on the connecting shaft and can rotate around the connecting shaft, an oil conveying channel is arranged in the front baffle, and the oil conveying channel can be communicated with the lubricating oil channel in the rotating process of the front baffle; the oil delivery pipe is fixedly arranged at the tooth root of the driving gear, and one end of the oil delivery pipe is connected to the front baffle and communicated with the oil delivery channel; the oil delivery pipe is provided with an oil outlet; the driving gear is arranged between the front baffle and the rear baffle and can drive the front baffle and the oil conveying pipe to rotate together; the rear baffle is fixed through a separate support frame and does not rotate along with the driving gear; the clearance between the tailgate and the drive gear is adjustable.
The gear transmission lubricating structure provided by the invention rotates along with the driving gear so as to achieve the purpose of fixed point lubrication, and can effectively solve the technical problems that the working strength is high, the cost is high, lubricating grease cannot be added to a working tooth surface which is frequently rotated and meshed in a small angle, the uniform lubrication of the working tooth surface on the whole width of a meshing tooth cannot be ensured, and the like in the conventional lubricating mode.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic view of a gear transmission lubricating structure according to the present invention;
FIG. 2 is a perspective view of a gear drive lubrication structure of the present invention;
FIG. 3 is an axial sectional view of a gear transmission lubricating structure mounting position according to the present invention;
FIG. 4 is a sectional view showing a detailed structure of a gear transmission lubricating structure according to the present invention;
FIG. 5 is a schematic diagram of a front baffle structure of a gear transmission lubricating structure according to the present invention;
FIG. 6 is a schematic view of a structure of a rear baffle of a gear transmission lubricating structure according to the present invention;
FIG. 7 is a radial sectional view of a gear transmission lubricating structure mounting location in accordance with the present invention;
fig. 8 is a structure diagram of an oil delivery pipe of a gear transmission lubricating structure according to the present invention.
In the figure: 1. a tooth surface lubrication structure; 101. fixing a bracket; 102. a connecting shaft; 1021. a lubricating oil passage; 103. an oil inlet joint; 104. a compression spring; 105. a front baffle; 1051. an oil delivery passage; 106. an oil delivery pipe; 1061. an oil inlet; 1062. an oil outlet; 107. a tailgate; 108. positioning a pin shaft; 109. a key; 110. a gasket; 111. a copper sleeve; 112. a retainer ring; 113. a seal ring; 2. A drive gear; 3. And the inner gear ring.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 8, the invention provides a gear transmission lubricating structure, which specifically comprises a tooth surface lubricating structure 1, a driving gear 2 and a gear ring; the tooth surface lubricating structure 1 can be integrally fixed through a support, the tooth surface lubricating structure 1 is mounted on the driving gear 2 and can move along with the driving gear 2, and an oil conveying pipe is mounted by utilizing a gap between a tooth root and a tooth top at the meshing position of the driving gear 2 and the gear of the gear ring; the driving gear 2 can be meshed with a gear ring; the tooth surface lubricating structure 1 is arranged on the driving gear 2 and can lubricate a tooth surface meshed between the driving gear 2 and the gear ring; in particular, the ring gear may be the inner ring gear 3 or the outer ring gear; the invention provides a gear transmission lubricating structure which can be connected to an automatic centralized lubricating system through an oil inlet joint to perform timed and quantitative grease lubrication on a meshing tooth surface.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, in the present embodiment, the ring gear is a ring gear 3, and the ring gear 3 is engaged with the driving gear 2 through internal gear teeth; the tooth surface lubricating structure 1 comprises a fixed bracket 101, a connecting shaft 102, a front baffle 105, a rear baffle 107 and an oil conveying pipe 106; specifically, the connecting shaft 102 is arranged on the fixed bracket 101, and a lubricating oil channel 1021 is arranged in the connecting shaft 102 along the axial direction; the fixed bracket 101 can be designed into different structural forms according to the actual installation position; the front baffle 105 is arranged on the connecting shaft 102 and can rotate around the connecting shaft 102, an oil conveying channel 1051 is arranged in the front baffle 105, and the oil conveying channel 1051 can be communicated with the lubricating oil channel 1021 in the rotating process of the front baffle 105; the oil delivery pipe 106 is arranged at the tooth root of the driving gear 2, and the oil delivery pipe 106 is installed by utilizing the clearance between the tooth root and the tooth top at the meshing tooth of the gear without interfering the rotation of the gear, so that the oil delivery pipe is suitable for the internal meshing gear transmission and the external meshing gear transmission; one end of an oil delivery pipe 106 is connected to the front baffle 105 and is communicated with an oil delivery channel; the other end of the oil pipeline 106 is connected to a rear baffle 107; an oil outlet 1062 is arranged on the oil delivery pipe 106; the driving gear 2 is clamped between the front baffle 105 and the rear baffle 107 and can drive the front baffle 105 and/or the rear baffle 107 and/or the oil conveying pipe 106 to rotate together.
Preferably, in combination with the above solution, in the present embodiment, referring to fig. 1 to 8, the gear ring may also be an external gear ring, and the external gear ring is engaged with the driving gear 2 through an external gear; the tooth surface lubricating structure 1 comprises a fixed bracket 101, a connecting shaft 102, a front baffle 105, a rear baffle 107 and an oil conveying pipe 106; the connecting shaft 102 is arranged on the fixed bracket 101, and a lubricating oil channel 1021 is arranged in the connecting shaft 102 along the axial direction; the front baffle 105 is arranged on the connecting shaft 102 and can rotate around the connecting shaft 102, an oil conveying channel 1051 is arranged in the front baffle 105, and the oil conveying channel 1051 can be communicated with the lubricating oil channel 1021 in the rotating process of the front baffle 105; the oil delivery pipe 106 is provided at the tooth root of the drive gear 2; one end of an oil delivery pipe 106 is connected to the front baffle 105 and is communicated with an oil delivery channel; the other end of the oil pipeline 106 is connected to a rear baffle 107; an oil outlet 1062 is arranged on the oil delivery pipe 106; the driving gear 2 is clamped between the front baffle 105 and the rear baffle 107 and can drive the front baffle 105 and/or the rear baffle 107 and/or the oil conveying pipe 106 to rotate together.
Preferably, with the above scheme, as shown in fig. 1 to 8, the tooth surface lubrication structure 1 further includes an oil inlet joint 103, the oil inlet joint 103 is disposed at one end of the connecting shaft 102, an oil delivery port is disposed in the oil inlet joint 103, and the oil delivery port is communicated with the lubricating oil passage 1021; the oil feed joint 103 is used to connect a centralized lubrication system.
Preferably, in combination with the above, as shown in fig. 1 to 8, the tooth surface lubricating structure 1 further includes a compression spring 104; the compression spring 104 is sleeved on the boss of the connecting shaft 102 and clamped between the fixed bracket 101 and the front baffle 105; by adopting the scheme, the device can absorb the processing and mounting errors of parts, also can extrude the front baffle 105 onto the end face of the driving gear 2, and can effectively prevent the front baffle 105 and the end face of the driving gear 2 from slipping in the rotating process by combining the tooth-shaped groove on the front baffle 105.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, one end of the connecting shaft 102 is connected with the fixing bracket 101 through a key 109; the front barrier 105 is rotatable 360 ° about the connecting shaft 102.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, the other end of the connecting shaft 102 is provided with a positioning pin 108, and one end of the positioning pin 108 is arranged on the connecting shaft 102 through a thread and is coaxial with the connecting shaft 102; the other end of the positioning pin shaft 108 is arranged in a central hole of the driving gear 2 and is coaxially arranged with the driving gear 2 to play a positioning role; furthermore, the front end of the connecting shaft 102 is provided with a positioning pin 108, so that the positioning pin can be matched with a processing hole structure on the outer end face of the driving gear for use, and initial positioning is carried out when the gear transmission tooth surface lubricating device is installed; specifically, by adopting the above scheme, the positioning pin 108 is used in cooperation with the processing hole structure on the outer end face of the driving gear 2 for initial positioning, and the fixing bracket 101 is fixed, so as to ensure that the front baffle 105 is tightly attached to the outer end face of the driving gear 2 under the extrusion of the compression spring 104; the oil inlet joint 103 is arranged on the connecting shaft 102, the connecting shaft 102 is connected with the fixed bracket 101 through a key 109, and the front baffle 105 is arranged on the connecting shaft 102 and can rotate 360 degrees around the connecting shaft; specifically, by adopting the scheme, the lubricating grease can be output to 3-4 teeth near the meshing teeth at the same time by changing the structural design of the oil passage and the oil outlet on the connecting shaft 102.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, a copper sleeve 111 is sleeved on the connecting shaft 102; the copper bush 111 is positioned between the connecting shaft 102 and the front baffle 105 and is tightly matched with the front baffle 105; specifically, the copper bush 111 and the front baffle 105 are in tight fit, can rotate around the connecting shaft 102 along with the front baffle 105, and is matched with the gasket 110 made of wear-resistant materials for use, so that the abrasion of the lubricating device during rotation can be reduced, and the service life is prolonged; the copper bush 111 can rotate around the connecting shaft 102 along with the front baffle 105; a sealing ring 113 is also arranged between the copper sleeve 111 and the connecting shaft 102; gaskets 110 are respectively arranged on the two sides of the copper sleeve 111, which are positioned on the front side and the rear side of the front baffle 105, and a retainer ring 112 is also arranged on one side of the driving gear 2 of the gaskets 110.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, a tooth-shaped groove is formed at the tooth root of the driving gear 2 along the axial direction thereof, the oil delivery pipe 106 is arranged in the tooth-shaped groove, and the number of the oil delivery pipes 106 is the same as the number of teeth of the driving gear 2; an oil inlet 1061 is formed in the end of the oil delivery pipe 106, and the oil inlet 1061 is communicated with the oil delivery channel 1051; a plurality of oil outlets 1062 are formed in the oil conveying pipe 106 along the oil inlet direction; the diameters of the oil outlets 1062 are sequentially increased from near to far along the oil inlet direction of the oil conveying pipe 106 so as to ensure that the grease is uniformly discharged in the whole tooth width direction; further, a plurality of oil outlets 1062 are respectively arranged towards the meshing teeth, and the oil outlets 1062 are only arranged towards the meshing teeth, so as to ensure that grease is only output to the meshing teeth all the time.
Preferably, in combination with the above solution, as shown in fig. 1 to 8, the front baffle 105 is a circular plate; a plurality of oil delivery channels 1051 are arranged in the front baffle 105 along the radial direction, namely, a plurality of oil delivery channels 1051 are designed on the front baffle 105 and respectively lead to the oil delivery channels 1051 which are arranged on the front baffle and are distributed in a circumferential manner; each oil delivery channel 1051 is independently communicated with one oil delivery pipe 106; in the rotating process of the front baffle 105, part of oil delivery channels 1051 of the front baffle are respectively communicated with oil delivery pipes 106 at corresponding positions, so that lubricating grease is simultaneously delivered to 3-4 tooth surfaces at the meshing position.
Preferably, in combination with the above solution, as shown in fig. 1 to 8, all the oil pipes are uniformly distributed on the same circumference and cross the tooth root of each tooth of the driving gear 2; after the oil delivery pipe 106 enters the meshing position, the oil delivery pipe is positioned in a gap between the tooth root and the tooth top of the meshing tooth, the rotation of the gear cannot be interfered, and lubricating grease can be delivered to the whole working surface of the meshing tooth along the tooth width direction; the oil delivery pipe 106 is a metal pipe or a plastic pipe or a rubber pipe to ensure that the tooth surface is not damaged; the oil conveying pipes 106 are uniformly distributed on the same circumference; each oil delivery pipe 106 is located in the gap between the tooth root and the tooth tip of the meshing tooth.
Preferably, in combination with the above, as shown in fig. 1 to 8, the front baffle 105 and the rear baffle 107 are circular plates, respectively; tooth-shaped grooves are respectively formed on the end surfaces of the front baffle 105 and the rear baffle 107; the two ends of the driving gear 2 are respectively arranged in the tooth-shaped grooves of the front baffle 105 and the rear baffle 107, so that the driving gear is clamped between the front baffle 105 and the rear baffle 107 to form a sealed lubricating space which is used for storing lubricating grease; specifically, the front baffle 105 and the rear baffle 107 are provided with tooth-shaped grooves according to the tooth-shaped profile of the driving gear 2, and the front baffle 105 and the rear baffle 107 can be respectively buckled and pressed on the end surfaces of the two sides of the driving gear 2 corresponding to the groove structures, so that a closed lubricating space is formed at the position of the meshing teeth and lubricating grease is stored automatically, the lubricating grease is prevented from being extruded out from gaps on the two sides of the meshing teeth, and the lubricating grease is more beneficial to ensuring that sufficient lubricating grease is used for lubricating the working tooth surface.
Preferably, in combination with the above solutions, as shown in fig. 1 to 8, the tooth-shaped groove is directly disposed on the end surfaces of the front baffle 105 and the rear baffle 107, or the end surfaces of the front baffle 105 and the rear baffle 107 are respectively provided with a sealing gasket, and the sealing gaskets are soft sealing gaskets; the tooth-shaped groove is formed on the sealing gasket so as to seal gaps on two sides of the meshing teeth, which are possible to extrude lubricating grease, and a closed space is established and the lubricating grease is stored automatically, so that sufficient lubricating grease is ensured to be extruded to the working tooth surface; the sealing gasket is a rubber gasket or a nylon gasket or a plastic gasket; furthermore, the front baffle 105 and the rear baffle 107 are respectively formed by assembling a plurality of baffles.
Preferably, in combination with the above-mentioned solutions, as shown in fig. 1 to 8, the front baffle 105 and the rear baffle 107 can be connected back and forth by the oil pipe 106 traversing the tooth root of the driving gear 2 and fixed to the end faces of the driving gear 2 on both sides without being installed with holes to avoid reducing the strength of the gear, at this time, the oil pipe 106 functions both as a grease supply and a connecting rod, the front baffle 105, the rear baffle 107, the oil pipe 106 and the driving gear 2 are constructed as a whole and can rotate together with the driving gear 2, and grease entering from the connecting shaft 102 is supplied to the tooth face of each meshing position; further, in combination with the actual installation effect, the tailgate 107 may also be fixed by a separate bracket so as not to rotate together with the drive gear and designed so that the gap between the tailgate and the drive gear 2 is adjustable, or by means of additional gaskets so as to seal the gap where grease may be squeezed out on both sides of the meshing teeth.
Preferably, in combination with the above-described aspects, as shown in fig. 1 to 8, the tooth surface lubrication structure 1 includes a fixed bracket 101, a connecting shaft 102, a front baffle 105, a rear baffle 107, and an oil delivery pipe 106; the connecting shaft 102 is arranged on the fixed bracket 101, and a lubricating oil channel 1021 is arranged in the connecting shaft 102 along the axial direction; the front baffle 105 is arranged on the connecting shaft 102 and can rotate around the connecting shaft 102, an oil conveying channel 1051 is arranged in the front baffle 105, and the oil conveying channel 1051 can be communicated with the lubricating oil channel 1021 in the rotating process of the front baffle 105; the oil delivery pipe 106 is fixedly arranged at the tooth root of the driving gear 2, and one end of the oil delivery pipe 106 is connected to the front baffle 105 and is communicated with the oil delivery pipeline; an oil outlet 1062 is arranged on the oil delivery pipe 106; the driving gear 2 is arranged between the front baffle 105 and the rear baffle 107 and can drive the front baffle 105 and the oil pipeline 106 to rotate together; the tailgate 107 may also be fixed by a separate support frame and not rotate with the drive gear 2; the clearance between the tailgate 107 and the drive gear 2 is adjustable; that is, the rear baffle 107 can be integrated with the front baffle 105, the oil delivery pipe 106 and the driving gear and rotate together with the driving gear; the tailgate 107 may also be secured by a separate bracket so that it does not rotate with the drive gear; and is designed to have an adjustable clearance with the drive gear.
Preferably, in combination with the above solutions, as shown in fig. 1 to 8, with the above solutions, after the front baffle 105 is mounted on the outer end surface of the driving gear 2, the two split type rear baffle 107 is closely mounted on the inner end surface of the driving gear 102, then the oil delivery pipes 106 with the same number of teeth as the driving gear 2 pass through the front baffle 105 from the outer side and are screwed into the corresponding threaded holes on the rear baffle 107, so as to ensure that the tooth-shaped groove structures on the front baffle 105 and the rear baffle 107 are mounted corresponding to the driving gear 2, so that the front baffle 105, the rear baffle 107, the oil delivery pipes 106 and the driving gear 2 form a tightly fitted whole and can rotate together with the driving gear 2. The connecting shaft 102 is provided with an oil inlet joint 103, an oil passage and an oil outlet, and the oil outlet is unique and faces to the meshing teeth so as to ensure that grease is only output to the meshing teeth all the time; by changing the structural design of an oil duct and an oil outlet on the connecting shaft 102, lubricating grease can be output to 3-4 teeth near the meshing teeth at the same time, and the front baffle 105 is provided with the oil duct which is respectively communicated with each oil conveying pipe 106 which is arranged on the front baffle and is distributed circumferentially; due to the design, when a certain oil duct on the front baffle 105 is communicated with the oil outlet on the connecting shaft 102 when the front baffle 105 rotates, the oil delivery pipes 106 at the corresponding positions can output grease to lubricate the tooth surfaces which are meshed, each oil delivery pipe 106 is provided with a group of oil outlets, the diameters of the oil outlets are sequentially increased from near to far along the oil inlet direction, so that each tooth entering the meshing position can be lubricated, and the grease is uniformly discharged in the whole tooth width direction; furthermore, the tooth-shaped groove structures on the front baffle 105 and the rear baffle 107 can effectively prevent the front baffle 105 and the rear baffle 107 from slipping with the end face of the driving gear in the rotating process; and gaps on two sides of the meshing teeth, which are possible to extrude lubricating grease, can be sealed, a sealed lubricating space is established, the lubricating grease is stored automatically, and sufficient lubricating grease is ensured to be extruded to the working tooth surface.
The gear transmission lubricating structure provided by the invention rotates along with the driving gear so as to achieve the purpose of fixed point lubrication, and can effectively solve the technical problems that the working strength is high, the cost is high, lubricating grease cannot be added to a working tooth surface which is frequently rotated and meshed in a small angle, the uniform lubrication of the working tooth surface on the whole width of a meshing tooth cannot be ensured, and the like in the conventional lubricating mode.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. A gear transmission lubricating structure is characterized by comprising a tooth surface lubricating structure (1), a driving gear (2) and a gear ring; the drive gear (2) can be intermeshed with the gear ring; the tooth surface lubricating structure (1) is arranged on the driving gear (2) and can lubricate a tooth surface meshed between the driving gear (2) and the gear ring.
2. Gear transmission lubrication structure according to claim 1, characterised in that the ring gear is a ring gear (3), the ring gear (3) being intermeshed with the driving gear (2) through internal gear teeth; the tooth surface lubricating structure (1) comprises a fixed support (101), a connecting shaft (102), a front baffle (105), a rear baffle (107) and an oil conveying pipe (106); the connecting shaft (102) is arranged on the fixed support (101), and a lubricating oil channel (1021) is arranged in the connecting shaft (102) along the axial direction; the front baffle (105) is arranged on the connecting shaft (102) and can rotate around the connecting shaft (102), an oil conveying channel (1051) is arranged in the front baffle (105), and the oil conveying channel (1051) can be communicated with the lubricating oil channel (1021) in the rotating process of the front baffle (105); the oil delivery pipe (106) is arranged at the tooth root of the driving gear (2); one end of the oil conveying pipe (106) is connected to the front baffle (105) and is communicated with the oil conveying pipeline; the other end of the oil conveying pipe (106) is connected to the rear baffle (107); an oil outlet (1062) is formed in the oil delivery pipe (106); the driving gear (2) is clamped between the front baffle (105) and the rear baffle (107) and can drive the front baffle (105) and/or the rear baffle (107) and/or the oil conveying pipe (106) to rotate together.
3. Gear transmission lubrication structure according to claim 1, characterised in that the gear ring is an external gear ring which is intermeshed with the driving gear (2) by means of external gear teeth; the tooth surface lubricating structure (1) comprises a fixed support (101), a connecting shaft (102), a front baffle (105), a rear baffle (107) and an oil conveying pipe (106); the connecting shaft (102) is arranged on the fixed support (101), and a lubricating oil channel (1021) is arranged in the connecting shaft (102) along the axial direction; the front baffle (105) is arranged on the connecting shaft (102) and can rotate around the connecting shaft (102), an oil conveying channel (1051) is arranged in the front baffle (105), and the oil conveying channel (1051) can be communicated with the lubricating oil channel (1021) in the rotating process of the front baffle (105); the oil delivery pipe (106) is arranged at the tooth root of the driving gear (2); one end of the oil conveying pipe (106) is connected to the front baffle (105) and is communicated with the oil conveying pipeline; the other end of the oil conveying pipe (106) is connected to the rear baffle (107); an oil outlet (1062) is formed in the oil delivery pipe (106); the driving gear (2) is clamped between the front baffle (105) and the rear baffle (107) and can drive the front baffle (105) and/or the rear baffle (107) and/or the oil conveying pipe (106) to rotate together.
4. The gear transmission lubricating structure according to claim 2 or 3, wherein the tooth surface lubricating structure (1) further comprises an oil inlet joint (103), the oil inlet joint (103) is arranged at one end of the connecting shaft (102), an oil delivery port is arranged in the oil inlet joint (103), and the oil delivery port is communicated with the lubricating oil channel (1021); the oil inlet joint (103) is used for connecting a centralized lubricating system; and/or the presence of a gas in the gas,
the tooth surface lubrication structure (1) further comprises a compression spring (104); the compression spring (104) is sleeved on the boss of the connecting shaft (102) and clamped between the fixed bracket (101) and the front baffle (105); and/or the presence of a gas in the gas,
one end of the connecting shaft (102) is connected with the fixed bracket (101) through a key (109); the front baffle (105) can rotate around the connecting shaft (102) for 360 degrees; and/or the presence of a gas in the gas,
a positioning pin shaft (108) is arranged at the other end of the connecting shaft (102), and one end of the positioning pin shaft (108) is arranged on the connecting shaft (102) through threads and is coaxial with the connecting shaft; the other end of the positioning pin shaft (108) is arranged in a central hole of the driving gear (2) and is coaxial with the driving gear (2); and/or the presence of a gas in the gas,
the connecting shaft (102) is sleeved with a copper sleeve (111), and the copper sleeve (111) is positioned between the connecting position of the connecting shaft (102) and the front baffle (105) and is tightly matched with the front baffle (105); the copper sleeve (111) can rotate around the connecting shaft (102) together with the front baffle (105); a sealing ring (113) is further arranged between the copper sleeve (111) and the connecting shaft (102); copper sheathing (111) both sides are located both sides are equipped with packing ring (110) respectively around preceding baffle (105), packing ring (110) are located drive gear (2) one side still is equipped with retaining ring (112).
5. The gear transmission lubricating structure according to claim 2 or 3, characterized in that a tooth-shaped groove is formed at the tooth root of the driving gear (2) along the axial direction of the driving gear, the oil delivery pipe (106) is arranged in the tooth-shaped groove, and the number of the oil delivery pipe (106) is the same as the number of teeth of the driving gear (2); an oil inlet (1061) is formed in the end of the oil delivery pipe (106), and the oil inlet (1061) is communicated with the oil delivery passage (1051); a plurality of oil outlets (1062) are formed in the oil conveying pipe (106) along the oil inlet direction; the diameters of the oil outlets (1062) are sequentially increased from near to far along the oil inlet direction of the oil conveying pipe (106); and/or a plurality of oil outlets (1062) are respectively arranged towards the meshing teeth.
6. A gear transmission lubrication structure according to claim 2 or 3, characterised in that said front baffle (105) is a circular plate; a plurality of oil conveying channels (1051) are arranged in the front baffle (105) along the radial direction, and each oil conveying channel (1051) is independently communicated with one oil conveying pipe (106); and in the rotating process of the front baffle (105), part of oil conveying channels (1051) of the front baffle are respectively communicated with the oil conveying pipes (106) at corresponding positions, so that lubricating grease is simultaneously output to 3-4 tooth surfaces at the meshing position.
7. Gear transmission lubrication structure according to claim 5 characterized in that said oil delivery pipe (106) is a metal or plastic or rubber pipe; the oil conveying pipes (106) are uniformly distributed on the same circumference; each oil delivery pipe (106) is positioned in a gap between the tooth root and the tooth tip of the meshing tooth.
8. The gear transmission lubrication structure according to claim 2, wherein the front baffle (105) and the rear baffle (107) are each a circular plate; tooth-shaped grooves are formed in the end faces of the front baffle (105) and the rear baffle (107) respectively; two ends of the driving gear (2) are respectively arranged in the tooth-shaped grooves of the front baffle (105) and the rear baffle (107), so that the driving gear is clamped between the front baffle (105) and the rear baffle (107) to form a sealed lubricating space; the lubricating space is used for storing lubricating grease.
9. The gear transmission lubrication structure according to claim 7, wherein the tooth-shaped grooves are provided directly on end faces of the front baffle (105) and the rear baffle (107); or sealing gaskets are respectively arranged on the end surfaces of the front baffle (105) and the rear baffle (107), and the tooth-shaped grooves are formed on the sealing gaskets; the sealing gasket is a rubber gasket or a nylon gasket or a plastic gasket; and/or the front baffle (105) and the rear baffle (107) are formed by assembling a plurality of baffles respectively.
10. The gear transmission lubrication structure according to claim 1, wherein the tooth surface lubrication structure (1) includes a fixed bracket (101), a connecting shaft (102), a front baffle (105), a rear baffle (107), and an oil delivery pipe (106); the connecting shaft (102) is arranged on the fixed support (101), and a lubricating oil channel (1021) is arranged in the connecting shaft (102) along the axial direction; the front baffle (105) is arranged on the connecting shaft (102) and can rotate around the connecting shaft (102), an oil conveying channel (1051) is arranged in the front baffle (105), and the oil conveying channel (1051) can be communicated with the lubricating oil channel (1021) in the rotating process of the front baffle (105); the oil delivery pipe (106) is fixedly arranged at the tooth root of the driving gear (2), and one end of the oil delivery pipe (106) is connected to the front baffle (105) and communicated with the oil delivery channel; an oil outlet (1062) is formed in the oil delivery pipe (106); the driving gear (2) is arranged between the front baffle (105) and the rear baffle (107) and can drive the front baffle (105) and the oil conveying pipe (106) to rotate together; the rear baffle (107) is fixed through a separate support frame and does not rotate along with the driving gear (2); the clearance between the tailgate (107) and the drive gear (2) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927782.9A CN112032287B (en) | 2020-09-07 | 2020-09-07 | Gear transmission lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927782.9A CN112032287B (en) | 2020-09-07 | 2020-09-07 | Gear transmission lubricating structure |
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| CN112032287A true CN112032287A (en) | 2020-12-04 |
| CN112032287B CN112032287B (en) | 2024-07-12 |
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| CN114321292A (en) * | 2021-12-31 | 2022-04-12 | 浙江炜粒传动有限公司 | Speed reducer with high stability |
| CN117823339A (en) * | 2023-12-27 | 2024-04-05 | 亚龙智能装备集团股份有限公司 | Variable pitch control actuator of wind generating set |
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| CN112032287B (en) | 2024-07-12 |
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