CN111779815B - Noise-reduction bevel gear and preparation method thereof - Google Patents
Noise-reduction bevel gear and preparation method thereof Download PDFInfo
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- CN111779815B CN111779815B CN202010769829.3A CN202010769829A CN111779815B CN 111779815 B CN111779815 B CN 111779815B CN 202010769829 A CN202010769829 A CN 202010769829A CN 111779815 B CN111779815 B CN 111779815B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 16
- 210000003781 tooth socket Anatomy 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/14—Construction providing resilience or vibration-damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- 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
- F16H55/12—Toothed members; Worms with body or rim assembled out of detachable parts
-
- 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
- F16H55/17—Toothed wheels
- F16H55/18—Special devices for taking up backlash
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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
- F16H57/0018—Shaft assemblies for gearings
-
- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- 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
- F16H55/17—Toothed wheels
- F16H2055/175—Toothed wheels specially adapted for easy repair, e.g. exchange of worn teeth
-
- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a noise reduction type bevel gear and a preparation method thereof, comprising the following steps: tooth dish, tooth frame, tooth subassembly, spacing subassembly, toothholder, connecting axle and pressurization subassembly, be annular matrix column on the periphery of tooth dish and install a plurality of tooth frames, the internally mounted of tooth frame has tooth subassembly, the toothholder sets up in the bottom of tooth dish, spacing subassembly sets up between tooth dish and toothholder, the connecting axle welds the dress in the bottom of toothholder, through rotatory lead screw, can realize the extrusion to the piston, after the extrusion, in pushing the pole downthehole with the pressure fluid through the intercommunicating pore, can realize that the gag lever post draws in the pole downthehole, can realize the promotion to tooth dish, guarantee when meshing, tooth dish and the laminating of another gear surface better, reduce the clearance between the gear, not only can reduce the delay, reduce the collision between the gear meshing transmission simultaneously, reduce the noise of gear meshing transmission, reach better result of use.
Description
Technical Field
The invention relates to the field of gears, in particular to a noise-reduction bevel gear and a preparation method thereof.
Background
Bevel gears are also called bevel gears, and are widely applied to industrial transmission equipment, vehicle differentials, locomotives, ships, power plants, steel mills, railway track detection and the like;
the existing gear is widely applied to mechanical equipment, but in the use process of the gear, noise is generated due to the fact that the gear is vibrated and meshed with mechanical parts through friction, certain requirements are sometimes needed for the noise, the gear tooth shape is error, the gear is not completely rigid, the surface fitting degree of the gear in the meshing process is poor, meshing noise can be generated in the gear meshing process, and knocking noise can be generated by the gear due to side gaps in the two tooth meshing processes.
Disclosure of Invention
The invention aims to provide a noise-reducing bevel gear and a preparation method thereof, which solve the technical problems that in the meshing process, the surface fitting degree of the gear is poor, so that meshing noise can be generated in the gear meshing process, and because of side gaps in the two tooth meshing processes, knocking noise can be generated in the gear.
The aim of the invention can be achieved by the following technical scheme:
a noise reducing bevel gear comprising: tooth dish, tooth frame, tooth subassembly, spacing subassembly, toothholder, connecting axle and pressurization subassembly, all there are a plurality of tooth frames in being annular matrix array installation on the periphery of tooth dish, the internally mounted of tooth frame has tooth subassembly, the toothholder sets up in the bottom of tooth dish, spacing subassembly sets up between tooth dish and toothholder, the connecting axle welds the bottom of dress at the toothholder, the bottom at the toothholder is installed to the pressurization subassembly.
As a further scheme of the invention: tooth subassembly includes reset spring, locating lever, arc rack, locating hole, shock attenuation cotton and tooth socket, the inside at the tooth frame is seted up to the tooth socket, the locating hole has been seted up in the bottom cell wall of tooth socket, the inside cooperation grafting of locating hole has the locating lever, the rigid coupling has reset spring between the bottom of locating lever and the pore wall of locating hole, the top at the locating lever is installed to the arc rack, the shock attenuation cotton has been pasted to the bottom side of arc rack.
As a further scheme of the invention: the limiting assembly comprises a limiting rod, a rubber ring, expansion springs, rod holes and communication holes, wherein a plurality of rod holes are formed in the tooth holder in an annular matrix array, the rubber ring is sleeved at the bottom end of the limiting rod, the bottom end of the limiting rod is matched and inserted into the rod holes, and the expansion springs are fixedly connected between the limiting rod and the wall of the rod holes.
As a further scheme of the invention: the top of the limiting rod is fixed at the bottom of the tooth disc through welding, and a plurality of groups of rod holes are connected in series through communication holes.
As a further scheme of the invention: the pressurizing assembly comprises a piston, a hydraulic cylinder, a screw rod, a shrinkage bolt, a clamping plate, a positioning plate, a push rod and an extrusion spring, wherein the piston is arranged in the hydraulic cylinder, a bearing is embedded in the bottom of the piston, the top end of the screw rod is matched and inserted in the bearing, the screw rod is matched and penetrated in the end wall of the hydraulic cylinder through the bolt, the positioning plate is welded on the end wall of the hydraulic cylinder, the positioning plate is penetrated in the push rod, the clamping plate is welded at one end of the push rod, and the extrusion spring is sleeved at the other end of the push rod.
As a further scheme of the invention: clamping plates are symmetrically arranged on two sides of the screw rod, the two clamping plates are connected in a matched mode through shrinkage bolts, and clamping strips are arranged on the inner wall of the clamping plates.
As a further scheme of the invention: the top of the hydraulic cylinder is provided with a diversion hole, and the diversion hole is communicated with the communication hole through a conduit.
A preparation method of a noise reduction type bevel gear comprises the following steps:
s1: casting, precisely forging and forming, namely preparing a rough blank of the gear through stamping and casting, and forging and forming the rough blank after heating the rough blank;
s2: punching and drilling, wherein tooth sockets are formed in tooth frames, positioning holes are formed in the bottoms of the tooth sockets through a drilling machine, rod holes are formed in tooth seats, and the rod holes are communicated with pouring preset communication holes after being drilled;
s3: quenching, austenitizing at 880-920 deg.c, and then directly adding NaNO with water content of 0.6-0.8% 3 And KNO 2 Isothermal quenching treatment is carried out in a salt bath, the isothermal temperature is 190-220 ℃, the heat preservation time is 5-10 h, and then low-temperature heat preservation tempering treatment is carried out at 160-250 ℃;
s4: assembling, namely clamping an arc-shaped rack in a tooth socket, matching and inserting a positioning rod in a positioning hole, installing a reset spring at the bottom of the positioning rod, inserting a limiting rod in the rod hole, sleeving the bottom of a rubber ring 42 at the bottom of the limiting rod, and welding a pressurizing assembly at the bottom of a tooth seat;
s5: debugging, namely repeatedly pressing the arc-shaped rack, observing whether the arc-shaped rack is reset normally, and rotating the screw rod during debugging, so that pushing and pressing of the piston can be realized, pressure liquid is pushed into the rod hole through the communication hole, and pushing and lifting of the tooth disc can be realized;
s6: and (3) lubricating and packaging, namely polishing the surfaces of the tooth disc and the tooth seat after debugging, immersing the tooth disc and the tooth seat in lubricating liquid, hoisting and controlling oil, and packaging by using a cowhide bag.
The invention has the beneficial effects that:
according to the invention, the tooth assembly is arranged, when the tooth assembly is meshed, the positioning rod is in forced extrusion fit and inserted into the positioning hole, the arc-shaped rack is contracted into the tooth groove, the damping cotton is arranged at the bottom of the arc-shaped rack, so that collision noise can be reduced, when the tooth assembly is meshed, the arc-shaped rack is reset under the cooperation of the reset spring, so that collision friction during meshing is reduced, and a noise reduction effect can be achieved;
through setting up spacing subassembly and pressurization subassembly, rotatory lead screw can realize pushing to the piston, after pushing, in pushing the downthehole pole of communicating hole propelling movement with the pressure fluid, can realize that the gag lever post draws together in the downthehole drawing of pole, can realize pushing away to tooth dish and rise, guarantee when the meshing, tooth dish and the better laminating of another gear surface reduce the clearance between the gear, not only can reduce the delay, reduce the collision between the gear engagement transmission simultaneously, reduce gear engagement transmission's noise, reach better result of use.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic perspective elevation view of a noise reduction bevel gear;
FIG. 2 is a schematic diagram showing a perspective side view of a noise reduction type bevel gear;
FIG. 3 is a schematic view of a cross-cut structure of a noise reduction bevel gear;
FIG. 4 is a schematic view of the structure of the area A in FIG. 2 in a noise reduction type bevel gear;
FIG. 5 is a schematic view of the structure of the region B in FIG. 3 in a noise-reducing bevel gear;
in the figure: 1. tooth plate; 2. a tooth frame; 3. a tooth assembly; 4. a limit component; 5. a tooth holder; 6. a connecting shaft; 7. a pressurizing assembly; 21. a return spring; 22. a positioning rod; 23. an arc-shaped rack; 24. positioning holes; 25. damping cotton; 26. tooth sockets; 41. a limit rod; 42. a rubber ring; 43. an expansion spring; 44. a rod hole; 45. a communication hole; 71. a piston; 72. a hydraulic cylinder; 73. a screw rod; 74. shrinking the bolt; 75. a clamping plate; 76. a positioning plate; 77. a push rod; 78. the spring is pressed.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, a noise reduction bevel gear includes: tooth dish 1, tooth frame 2, tooth subassembly 3, spacing subassembly 4, toothholder 5, connecting axle 6 and pressurization subassembly 7 are all equipped with a plurality of tooth frames 2 in annular matrix array installation on the periphery of tooth dish 1, and the internally mounted of tooth frame 2 has tooth subassembly 3, and toothholder 5 sets up in the bottom of tooth dish 1, and spacing subassembly 4 sets up between tooth dish 1 and toothholder 5, and connecting axle 6 welds the dress in the bottom of toothholder 5, and pressurization subassembly 7 is installed in the bottom of toothholder 5.
As one implementation mode of the invention, the tooth assembly 3 comprises a return spring 21, a positioning rod 22, an arc-shaped rack 23, a positioning hole 24, damping cotton 25 and a tooth groove 26, wherein the tooth groove 26 is arranged in the tooth frame 2, the positioning hole 24 is arranged in the groove wall at the bottom of the tooth groove 26, the positioning rod 22 is inserted in the positioning hole 24 in a matched manner, the return spring 21 is fixedly connected between the bottom end of the positioning rod 22 and the wall of the positioning hole 24, the arc-shaped rack 23 is arranged at the top end of the positioning rod 22, and the damping cotton 25 is adhered to the bottom side of the arc-shaped rack 23.
As one implementation mode of the invention, the limiting component 4 comprises a limiting rod 41, a rubber ring 42, an expansion spring 43, rod holes 44 and a communication hole 45, wherein a plurality of rod holes 44 are formed in the inside of the tooth holder 5 in an annular matrix array, the rubber ring 42 is sleeved at the bottom end of the limiting rod 41, the bottom end of the limiting rod 41 is matched and inserted into the inside of the rod hole 44, and the expansion spring 43 is fixedly connected between the limiting rod 41 and the wall of the rod hole 44.
As an embodiment of the present invention, the tip of the limit lever 41 is fixed to the bottom of the dental tray 1 by welding, and the plurality of sets of lever holes 44 are connected in series by the communication hole 45.
As one embodiment of the present invention, the pressurizing assembly 7 includes a piston 71, a hydraulic cylinder 72, a screw rod 73, a shrinkage bolt 74, a clamping plate 75, a positioning plate 76, a push rod 77 and an extrusion spring 78, wherein the piston 71 is arranged in the hydraulic cylinder 72, a bearing is embedded at the bottom of the piston 71, the top end of the screw rod 73 is inserted in the bearing in a matched manner, the screw rod 73 is penetrated in the end wall of the hydraulic cylinder 72 in a matched manner through the bolt, the positioning plate 76 is welded on the end wall of the hydraulic cylinder 72, the positioning plate 76 is penetrated in the push rod 77, the clamping plate 75 is welded at one end of the push rod 77, and the extrusion spring 78 is sleeved at the other end of the push rod 77.
As one embodiment of the present invention, two sides of the screw 73 are symmetrically provided with clamping plates 75, the two clamping plates 75 are connected in a matched manner through a shrinkage bolt 74, and clamping strips are arranged on the inner wall of the clamping plate 75.
As an embodiment of the present invention, the top of the hydraulic cylinder 72 is provided with a pilot hole, which communicates with the communication hole 45 through a conduit.
A preparation method of a noise reduction type bevel gear comprises the following steps:
s1: casting, precisely forging and forming, namely preparing a rough blank of the gear through stamping and casting, and forging and forming the rough blank after heating the rough blank;
s2: punching and drilling, wherein a tooth socket 26 is formed in the tooth frame 2, a positioning hole 24 is formed in the bottom of the tooth socket 26 through a drilling machine, a rod hole 44 is formed in the tooth seat 5, and the rod hole 44 is communicated with a pouring preset communication hole 45 after being drilled;
s3: quenching, austenitizing at 880-920 deg.c, and then directly adding NaNO with water content of 0.6-0.8% 3 And KNO 2 Isothermal quenching treatment is carried out in a salt bath, the isothermal temperature is 190-220 ℃, the heat preservation time is 5-10 h, and then low-temperature heat preservation tempering treatment is carried out at 160-250 ℃;
s4: assembling, namely clamping the arc-shaped rack 23 in the tooth groove 26, matching and inserting the positioning rod 22 in the positioning hole 24, installing the return spring 21 at the bottom of the positioning rod 22, inserting the limiting rod 41 in the rod hole 44, sleeving the bottom of the rubber ring 42 at the bottom of the limiting rod 41, and welding the pressurizing assembly 7 at the bottom of the tooth seat 5;
s5: debugging, namely repeatedly pressing the arc-shaped rack 23, observing whether the arc-shaped rack 23 is normally reset or not, and rotating the screw rod 73 during debugging can push the piston 71, pushing pressure liquid into the rod hole 44 through the communication hole 45, and pushing up the tooth disc 1;
s6: and (3) lubricating and packaging, namely polishing the surfaces of the tooth disc 1 and the tooth seat 5 after debugging, immersing in lubricating liquid, hoisting and controlling oil, and packaging by using a cowhide bag.
Working principle: the tooth socket 26 has been seted up in the inside of tooth frame 2, when the cooperation is engaged, set up the surface of arc rack 23 into the arcwall face, when the meshing, the inside at locating hole 24 is pegged graft in the forced extrusion cooperation of locating lever 22, arc rack 23 shrink is to tooth socket 26 in, be provided with shock attenuation cotton 25 in the bottom of arc rack 23, can reduce collision noise, when the meshing, arc rack 23 resets under reset spring 21's cooperation, reduce the collision friction when the meshing, can play the noise reduction effect, when the meshing is installed, release shrink bolt 74, can release lead screw 73, rotatory lead screw 73, can realize the extrusion to piston 71, after the extrusion, push the pressure fluid into pole hole 44 through intercommunicating pore 45, can realize that gag lever post 41 draws in pole hole 44, can realize the jack-up to tooth tray 1, guarantee the better laminating of tooth tray 1 and another gear surface when the meshing, reduce the clearance between the gear, not only can reduce the delay, reduce the collision between the gear meshing transmission simultaneously, reduce gear meshing transmission's noise, better use effect is reached.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. A noise reduction bevel gear, comprising: tooth dish (1), tooth frame (2), tooth subassembly (3), spacing subassembly (4), tooth seat (5), connecting axle (6) and pressurization subassembly (7), be annular matrix array on the periphery of tooth dish (1) and install a plurality of tooth frames (2), internally mounted of tooth frame (2) has tooth subassembly (3), tooth seat (5) set up in the bottom of tooth dish (1), spacing subassembly (4) set up between tooth dish (1) and tooth seat (5), connecting axle (6) weld the bottom at tooth seat (5), the bottom at tooth seat (5) is installed to pressurization subassembly (7). Tooth subassembly (3) are including reset spring (21), locating lever (22), arc rack (23), locating hole (24), shock attenuation cotton (25) and tooth socket (26), the inside at tooth frame (2) is seted up in tooth socket (26), locating hole (24) have been seted up in the bottom cell wall of tooth socket (26), the inside cooperation grafting of locating hole (24) has locating lever (22), the rigid coupling has reset spring (21) between the pore wall of bottom and locating hole (24) of locating lever (22), the top at locating lever (22) is installed to arc rack (23), shock attenuation cotton (25) are pasted to the bottom side of arc rack (23); the limiting assembly (4) comprises a limiting rod (41), a rubber ring (42), an expansion spring (43), rod holes (44) and communication holes (45), wherein a plurality of rod holes (44) are formed in the tooth holder (5) in an annular matrix array, the rubber ring (42) is sleeved at the bottom end of the limiting rod (41), the bottom end of the limiting rod (41) is matched and inserted into the rod holes (44), and the expansion spring (43) is fixedly connected between the limiting rod (41) and the wall of the rod holes (44); the top end of the limiting rod (41) is fixed at the bottom of the tooth disc (1) through welding, and a plurality of groups of rod holes (44) are connected in series through communication holes (45); the pressurizing assembly (7) comprises a piston (71), a hydraulic cylinder (72), a screw rod (73), a shrinkage bolt (74), a clamping plate (75), a positioning plate (76), a push rod (77) and an extrusion spring (78), wherein the piston (71) is arranged in the hydraulic cylinder (72), a bearing is embedded in the bottom of the piston (71), the top end of the screw rod (73) is matched and inserted in the bearing, the screw rod (73) is matched and inserted in the end wall of the hydraulic cylinder (72) through the bolt, the positioning plate (76) is welded on the end wall of the hydraulic cylinder (72), the positioning plate (76) is inserted in the push rod (77), the clamping plate (75) is welded at one end of the push rod (77), and the extrusion spring (78) is sleeved at the other end of the push rod (77).
2. The noise reduction bevel gear according to claim 1, wherein clamping plates (75) are symmetrically arranged on two sides of the screw rod (73), the two clamping plates (75) are connected in a matched mode through a shrinkage bolt (74), and clamping strips are arranged on the inner wall of the clamping plates (75).
3. Noise-reducing bevel gear according to claim 1, characterized in that the top of the hydraulic cylinder (72) is provided with a pilot hole, which communicates with the communication hole (45) through a conduit.
4. The preparation method of the noise reduction type bevel gear is characterized by comprising the following steps of:
s1: casting, precisely forging and forming, namely preparing a rough blank of the gear through stamping and casting, and forging and forming the rough blank after heating the rough blank;
s2: punching and drilling, wherein a tooth socket (26) is formed in the tooth frame (2), a positioning hole (24) is formed in the bottom of the tooth socket (26) through a drilling machine, a rod hole (44) is formed in the tooth seat (5), and the rod hole (44) is communicated with a pouring preset communication hole (45) after being drilled;
s3: quenching, austenitizing at 880-920 deg.c, and then directly adding NaNO with water content of 0.6-0.8% 3 And KNO 2 Isothermal quenching treatment is carried out in a salt bath, the isothermal temperature is 190-220 ℃, the heat preservation time is 5-10 h, and then low-temperature heat preservation tempering treatment is carried out at 160-250 ℃;
s4: assembling, namely clamping an arc-shaped rack (23) in a tooth groove (26), matching and inserting a positioning rod (22) in a positioning hole (24), installing a return spring (21) at the bottom of the positioning rod (22), inserting a limiting rod (41) in a rod hole (44), sleeving the bottom of a rubber ring (42) at the bottom of the limiting rod (41), and welding a pressurizing assembly (7) at the bottom of a tooth seat (5);
s5: debugging, namely repeatedly pressing the arc-shaped rack (23), observing whether the arc-shaped rack (23) is normally reset, and rotating the screw rod (73) during debugging, so that pushing of the piston (71) can be realized, pressure liquid is pushed into the rod hole (44) through the communication hole (45), and pushing of the tooth disc (1) can be realized;
s6: and (3) lubricating and packaging, namely polishing the surfaces of the tooth disc (1) and the tooth seat (5) after debugging, immersing in lubricating liquid, hoisting and controlling oil, and packaging by using a cowhide bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769829.3A CN111779815B (en) | 2020-08-04 | 2020-08-04 | Noise-reduction bevel gear and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769829.3A CN111779815B (en) | 2020-08-04 | 2020-08-04 | Noise-reduction bevel gear and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111779815A CN111779815A (en) | 2020-10-16 |
| CN111779815B true CN111779815B (en) | 2023-11-10 |
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| JPH06147296A (en) * | 1992-11-12 | 1994-05-27 | Koyo Shikagoroohaido Kk | Engagement strike noise generation preventing device for gear transmission device |
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| CN105805273A (en) * | 2016-05-25 | 2016-07-27 | 蒙泽喜 | Noise elimination vibration reduction gear |
| CN207421270U (en) * | 2017-11-22 | 2018-05-29 | 綦江长风齿轮（集团）有限公司 | A kind of firm noise reduction lubrication axle shaft gear |
| CN210240486U (en) * | 2019-06-03 | 2020-04-03 | 常州航空齿轮有限公司 | Shockproof gear |
| CN210371904U (en) * | 2019-05-27 | 2020-04-21 | 上齿集团有限公司 | Spiral bevel gear for new energy coach bus |
| CN212643477U (en) * | 2020-08-04 | 2021-03-02 | 上齿集团有限公司 | Novel formula of making an uproar bevel gear falls |
-
2020
- 2020-08-04 CN CN202010769829.3A patent/CN111779815B/en active Active
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| JPH06147296A (en) * | 1992-11-12 | 1994-05-27 | Koyo Shikagoroohaido Kk | Engagement strike noise generation preventing device for gear transmission device |
| EP1420188A2 (en) * | 2002-11-12 | 2004-05-19 | Koyo Sealing Techno Co., Ltd. | Friction damper and gear transmission device using the same |
| CN105805273A (en) * | 2016-05-25 | 2016-07-27 | 蒙泽喜 | Noise elimination vibration reduction gear |
| CN207421270U (en) * | 2017-11-22 | 2018-05-29 | 綦江长风齿轮（集团）有限公司 | A kind of firm noise reduction lubrication axle shaft gear |
| CN210371904U (en) * | 2019-05-27 | 2020-04-21 | 上齿集团有限公司 | Spiral bevel gear for new energy coach bus |
| CN210240486U (en) * | 2019-06-03 | 2020-04-03 | 常州航空齿轮有限公司 | Shockproof gear |
| CN212643477U (en) * | 2020-08-04 | 2021-03-02 | 上齿集团有限公司 | Novel formula of making an uproar bevel gear falls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111779815A (en) | 2020-10-16 |
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