CN113833825B - Noise-proof and sound-proof parallel shaft helical gear speed reducer - Google Patents
Noise-proof and sound-proof parallel shaft helical gear speed reducer Download PDFInfo
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- CN113833825B CN113833825B CN202111280076.0A CN202111280076A CN113833825B CN 113833825 B CN113833825 B CN 113833825B CN 202111280076 A CN202111280076 A CN 202111280076A CN 113833825 B CN113833825 B CN 113833825B
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- fixedly connected
- helical gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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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
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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Abstract
The invention discloses a noise-proof and sound-proof parallel shaft helical gear reducer, belonging to the field of reducers, and the noise-proof and sound-proof parallel shaft helical gear reducer comprises a bottom plate, wherein a sound-proof box is fixedly connected on the bottom plate, a motor is fixedly connected on the sound-proof box, the output end of the motor is fixedly connected with a driving shaft, a second helical gear and a third helical gear are fixedly connected on a rotating shaft, and a fourth helical gear is fixedly connected on an output shaft, the positioning mechanism is arranged to achieve the effect that the third helical gear and the fourth helical gear are accurately meshed to avoid noise, the effect of cleaning the metal chips in the sound insulation box and preventing the metal chips from wearing parts in the sound insulation box to cause damage is achieved by arranging the cleaning mechanism, the effect of maintaining the parts in the soundproof box to be capable of operating at the proper temperature is achieved by arranging the cooling mechanism.
Description
Technical Field
The invention relates to the technical field of speed reducers, in particular to a noise-proof and sound-proof parallel shaft helical gear speed reducer.
Background
The reducer, which is a relatively precise machine used for the purpose of reducing rotational speed, increasing torque, can be divided into single-stage and multi-stage speed reducers according to different transmission stages, can be divided into a cylindrical gear speed reducer, a conical gear speed reducer and a conical-cylindrical gear leading wheel speed reducer according to the shape of gears of a gear factory, the reducer can be divided into an expanding type, a shunting type and a same-feeding shaft type reducer according to the arrangement form of transmission, the reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are sealed in a rigid shell and is commonly used as a speed reduction transmission device between a prime mover and a working machine, the function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.
The existing speed reducer can generate great noise when working, the noise is mainly generated by friction, vibration and collision of a transmission gear, how to effectively reduce and reduce the noise is achieved, the existing speed reducer meets the environmental protection requirement, and is also a key research subject at home and abroad.
Disclosure of Invention
The invention aims to provide a noise-proof and sound-proof parallel shaft helical gear speed reducer which has the advantage of reducing noise generated during equipment operation and solves the problem that repair and noise reduction cannot be implemented in vast small and medium-sized factories.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a noise control sound proof parallel shaft helical gear speed reducer, includes the bottom plate, fixedly connected with sound-proof box on the bottom plate, sound-proof box intussuseption is filled with lubricating oil, fixedly connected with motor on the sound-proof box, the output fixedly connected with drive shaft of motor, the drive shaft runs through sound-proof box and being located the first helical gear of inside fixedly connected with of sound-proof box, sound-proof box internal rotation is connected with pivot and output shaft, fixedly connected with second helical gear and third helical gear in the pivot, fixedly connected with fourth helical gear on the output shaft, first helical gear with the meshing of second helical gear, the third helical gear with the meshing of fourth helical gear.
Preferably, the soundproof box is internally provided with a positioning mechanism for positioning the fourth helical gear so that the fourth helical gear is correctly meshed with the third helical gear, the positioning mechanism comprises two mounting rings which are connected to the output shaft in a sliding manner, the two mounting rings are symmetrically distributed on two sides of the fourth helical gear and are connected with pressing rings in a rotating manner, the pressing rings are abutted to the fourth helical gear at intervals, balls are connected to the mounting rings in a rotating manner, and the balls are connected to the output shaft in a rolling manner.
Preferably, positioning mechanism still includes two mounting brackets of fixed connection in the sound-proof box, and equal sliding connection has the montant, two on two mounting brackets the equal fixedly connected with connecting rod in bottom of montant, two the both ends of connecting rod are all rotated and are connected with the down tube, and are two sets of keep away from on the down tube the one end of connecting rod is rotated respectively and is connected on the collar that corresponds, two it has the extension spring all to kink on the montant, the both ends difference fixed connection of extension spring is in on mounting bracket and the connecting rod.
Preferably, the positioning mechanism further comprises two cams, wherein the two cams are fixedly connected to the rotating shaft and symmetrically distributed on two sides of the third bevel gear, and the two cams are intermittently abutted to the corresponding vertical rods respectively.
Preferably, be equipped with on the positioning mechanism and be used for the clearance mechanism of the metal fillings that produce during the part operation in the sound-proof box, clearance mechanism includes first piston cylinder, two on the collar respectively first mounting panel of fixedly connected with and second mounting panel, first piston cylinder fixed connection be in on the first mounting panel, sliding connection has first piston rod in the first piston cylinder, first piston rod fixed connection be in on the second mounting panel, fixedly connected with tells the nanotube on the first piston cylinder.
Preferably, clearance mechanism is still including rotating the connection and being in installation axle on the first mounting panel, fixedly connected with rack in the sound-proof box, install epaxial be equipped with rack toothing's tooth, install epaxial fixedly connected with magnetism filter screen, the intermittent sweep of magnetism filter screen the mouth of pipe of telling the holding tube.
Preferably, a cooling mechanism for cooling the lubricating oil in the sound insulation box is arranged on the cleaning mechanism, the cooling mechanism comprises a second piston cylinder, an N-shaped frame is fixedly connected to the second piston cylinder, the N-shaped frame is fixedly connected to the first mounting plate, a second piston rod is slidably connected to the second piston cylinder, a raised line is fixedly connected to the second piston rod, a sliding groove matched with the raised line is formed in the second piston cylinder, a screw rod is coaxially and fixedly connected to the mounting shaft, a threaded hole matched with the screw rod is formed in the second piston rod, a first transverse pipe and a second transverse pipe are fixedly connected to the second piston cylinder, check valves are arranged on the first transverse pipe and the second transverse pipe, a cooling pipe is fixedly connected to the first transverse pipe, and one end of the cooling pipe, far away from the first transverse pipe, is fixedly connected to the second transverse pipe, the sound insulation box is fixedly connected with a box body with built-in cooling liquid, and the cooling pipe is communicated with the box body.
Preferably, the cooling mechanism further comprises a fixing ring fixedly connected to the second mounting plate, the fixing ring is fixedly connected to the first horizontal pipe, a vibration plate is fixedly connected to the inside of the sound insulation box, and a through hole matched with the first horizontal pipe is formed in the vibration plate.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the effect of isolating the noise generated by the circular shape of the internal part of the sound insulation box is achieved by arranging the sound insulation box, the effect of accurately meshing the third bevel gear and the fourth bevel gear and avoiding the noise is achieved by arranging the positioning mechanism, the effect of cleaning metal chips in the sound insulation box is achieved by arranging the cleaning mechanism, the effect of preventing the metal chips from wearing the internal part of the sound insulation box to cause damage is prevented, and the effect of maintaining the operation of the internal part of the sound insulation box at a proper temperature is achieved by arranging the cooling mechanism.
Drawings
FIG. 1 is a first schematic view of an appearance structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a fourth helical gear of the present invention;
FIG. 5 is a schematic view of the structure at the first mounting plate of the present invention;
FIG. 6 is a schematic view of the screw of the present invention;
fig. 7 is a schematic view of an appearance structure of the present invention.
In the figure: 1. a sound insulation box; 11. a base plate; 12. a mounting frame; 13. a vibrating plate; 14. a rack; 2. a motor; 21. a drive shaft; 22. a first helical gear; 23. a rotating shaft; 24. a second helical gear; 25. a third bevel gear; 26. a cam; 27. an output shaft; 28. a fourth helical gear; 3. a mounting ring; 31. pressing a ring; 32. a ball bearing; 33. a first mounting plate; 331. a first piston cylinder; 332. installing a shaft; 333. a magnetic filter screen; 334. teeth; 335. a spitting and storing pipe; 34. a second mounting plate; 341. a first piston rod; 342. a fixing ring; 4. a second piston cylinder; 41. a first cross tube; 42. a second cross tube; 43. a one-way valve; 44. a second piston rod; 441. a convex strip; 442. a screw; 45. a box body; 451. a cooling tube; 46. an N-shaped frame; 5. a vertical rod; 51. a connecting rod; 52. a diagonal bar; 53. a tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention provides a technical scheme that: the utility model provides a noise control sound proof parallel shaft helical gear speed reducer, comprising a base plate 11, fixedly connected with sound insulation box 1 on the bottom plate 11, sound insulation box 1 intussuseption is filled with lubricating oil, fixedly connected with motor 2 on the sound insulation box 1, motor 2's output fixedly connected with drive shaft 21, drive shaft 21 runs through sound insulation box 1 and is located the first helical gear 22 of inside fixedly connected with of sound insulation box 1, 1 internal rotation of sound insulation box is connected with pivot 23 and output shaft 27, fixedly connected with second helical gear 24 and third helical gear 25 on the pivot 23, fixedly connected with fourth helical gear 28 on the output shaft 27, first helical gear 22 and the meshing of second helical gear 24, third helical gear 25 and the meshing of fourth helical gear 28.
Referring to fig. 1 and 2, the base plate 11 is placed on a plane, so that the output shaft 27 is connected to a portion where power is required to be output, the motor 2 is started to rotate the driving shaft 21, the first bevel gear 22 fixedly connected to the driving shaft 21 is rotated, the second bevel gear 24 engaged with the first bevel gear 22 is rotated, and since the diameter of the second bevel gear 24 is larger than that of the first bevel gear 22, the rotation speed of the second bevel gear 24 is lower than that of the first bevel gear 22, and the rotation speed of the rotating shaft 23 fixedly connected to the second bevel gear 24 is lower than that of the driving shaft 21.
Be equipped with in the sound-proof box 1 and be used for the fourth helical gear 28 location so that fourth helical gear 28 and the correct positioning mechanism who meshes of third helical gear 25, positioning mechanism includes two collars 3 of sliding connection on output shaft 27, two collars 3 symmetric distribution are in the both sides of fourth helical gear 28, it is connected with clamping ring 31 all to rotate on two collars 3, two clamping rings 31 all offset with fourth helical gear 28 intermittent type, it is connected with ball 32 all to rotate on two collars 3, ball 32 roll connection is on output shaft 27.
Referring to fig. 2, when the rotating shaft 23 rotates, the third helical gear 25 fixedly connected to the rotating shaft 23 rotates, and further the fourth helical gear 28 engaged with the third helical gear 25 rotates, since the diameter of the fourth helical gear 28 is larger than that of the third helical gear 25, and further the rotation speed of the fourth helical gear 28 is lower than that of the third helical gear 25, and further the rotation speed of the output shaft 27 fixedly connected to the fourth helical gear 28 is lower than that of the rotating shaft 23, since the above-mentioned components except the motor 2 are all disposed in the soundproof box 1, noise generated when the above-mentioned components operate can be isolated by the soundproof box 1, and since the soundproof box 1 is filled with lubricating oil, the above-mentioned components can be lubricated during operation, and further noise generation can be avoided.
Positioning mechanism still includes two mounting brackets 12 of fixed connection in sound-proof box 1, equal sliding connection has montant 5 on two mounting brackets 12, the equal fixedly connected with connecting rod 51 in bottom of two montants 5, the both ends of two connecting rods 51 are all rotated and are connected with down tube 52, the one end of keeping away from connecting rod 51 on two sets of down tube 52 is rotated respectively and is connected on the collar 3 that corresponds, equal noose has extension spring 53 on two montants 5, fixed connection is on mounting bracket 12 and connecting rod 51 respectively at the both ends of extension spring 53, positioning mechanism still includes two cams 26, the equal fixed connection of two cams 26 is in pivot 23, and two cams 26 symmetric distribution are in the both sides of third bevel gear 25, two cams 26 offset with the 5 intermittent type of montants that correspond respectively.
Referring to fig. 2 and 4, when being driven by first helical gear 22 and making second helical gear 24 rotate, pivot 23 with second helical gear 24 fixed connection rotates in step, and then pivot 23 is followed to the last cam 26 of pivot 23 and is rotated in step, and then cam 26 can cause intermittent extrusion to montant 5 in the rotation process, and montant 5 axial sliding connection is on mounting bracket 12, fixedly connected with extension spring 53 on montant 5 bottom fixed connection's the connecting rod 51, and extension spring 53 fixed connection is on mounting bracket 12, and then can make montant 5 overcome the pulling force of extension spring 53 and slide downwards when cam 26 causes the extrusion to montant 5, and montant 5 then upward movement under the pulling force of extension spring 53 when cam 26 does not cause the extrusion to montant 5.
Example two
On the basis of the first embodiment, further: be equipped with the clearance mechanism that is used for clearing up the metal fillings that produce during the part operation in the sound-proof box 1 on the positioning mechanism, clearance mechanism includes first piston cylinder 331, on two collars 3 respectively fixedly connected with first mounting panel 33 and second mounting panel 34, first piston cylinder 331 fixed connection is on first mounting panel 33, sliding connection has first piston rod 341 in the first piston cylinder 331, first piston rod 341 fixed connection is on second mounting panel 34, fixedly connected with is told and is managed 335 on the first piston cylinder 331.
Referring to fig. 2, 4 and 5, in the process of the relative movement of the two mounting rings 3, the first mounting plate 33 and the second mounting plate 34 respectively fixedly connected to the two mounting rings 3 move synchronously with the corresponding fixedly connected mounting rings 3, and further, the first mounting plate 33 and the second mounting plate 34 move relatively and the first piston cylinder 331 fixedly connected to the first mounting plate 33 and the first piston rod 341 fixedly connected to the second mounting plate 34 can slide relatively, so that when the first piston rod 341 and the first piston cylinder 331 move away from each other, the first piston cylinder 331 can suck the lubricant oil near the first piston cylinder 331 into the first piston cylinder 331 through the accommodating tube 335, and then when the first piston cylinder 331 and the first piston rod 341 move close to each other, the lubricant oil absorbed in the first piston cylinder 331 is ejected from the accommodating tube 335.
The cleaning mechanism further comprises a mounting shaft 332 rotatably connected to the first mounting plate 33, a rack 14 is fixedly connected to the inside of the soundproof box 1, a tooth 334 meshed with the rack 14 is arranged on the mounting shaft 332, a magnetic filter screen 333 is fixedly connected to the mounting shaft 332, and the magnetic filter screen 333 intermittently sweeps through a nozzle of the accommodating pipe 335.
Referring to fig. 2, 3, 4, 5 and 6, the first mounting plate 33 is fixedly connected to the mounting ring 3 to be movable in the axial direction following the mounting ring 3, and the mounting shaft 332 is fixed to the first mounting plate 33 by the fixed axis rotation, and the mounting shaft 332 is movable in the axial direction following the first mounting plate 33, and the rack 14 is engaged with the teeth 334 of the mounting shaft 332 to be rotatable when the mounting shaft 332 is moved in the axial direction, and the magnetic strainer 333 fixedly connected to the mounting shaft 332 is swung around the mounting shaft 332 as a center of the circle, and when the lubricant in the first cylinder 331 is discharged through the discharge pipe 335, the magnetic strainer 333 is just swept over the nozzle of the discharge pipe 335, and the metal chips contained in the discharged lubricant are subjected to the concentrated adsorption process by the magnetic force of the magnetic strainer 333.
EXAMPLE III
On the basis of the second embodiment, further: the cleaning mechanism is provided with a cooling mechanism for cooling lubricating oil in the sound insulation box 1, the cooling mechanism comprises a second piston cylinder 4, an N-shaped frame 46 is fixedly connected to the second piston cylinder 4, the N-shaped frame 46 is fixedly connected to the first mounting plate 33, a second piston rod 44 is slidably connected to the second piston cylinder 4, a convex strip 441 is fixedly connected to the second piston rod 44, a sliding groove matched with the convex strip 441 is formed in the second piston cylinder 4, a screw 442 is coaxially and fixedly connected to the mounting shaft 332, a threaded hole matched with the screw 442 is formed in the second piston rod 44, a first transverse pipe 41 and a second transverse pipe 42 are fixedly connected to the second piston cylinder 4, check valves 43 are respectively arranged on the first transverse pipe 41 and the second transverse pipe 42, a cooling pipe 451 is fixedly connected to the first transverse pipe 41, one end of the cooling pipe 451, far away from the first transverse pipe 41, is fixedly connected to the second transverse pipe 42, a box body 45 with built-in cooling liquid is fixedly connected to the box 1, the cooling pipe 451 communicates with the tank 45.
Referring to fig. 2, 3, 4, 5 and 7, when the mounting shaft 332 rotates, the screw 442 coaxially connected with the mounting shaft 332 rotates synchronously, because the screw 442 is screwed into the second piston rod 44, and the raised strip 441 provided on the second piston rod 44 slides in the second piston cylinder 4, the second piston cylinder 4 is fixedly connected with the first mounting plate 33 through the N-shaped frame 46, and the first mounting plate 33 moves axially along with the mounting ring 3, and then the mounting shaft 332 drives the screw 442 to rotate reciprocally, and further drives the second piston rod 44 to slide in the second piston cylinder 4 when the screw 442 rotates reciprocally, and the first transverse pipe 41 and the second transverse pipe 42 connected with the second piston cylinder 4 are both provided with the check valve 43, the first transverse pipe 41 and the second transverse pipe 42 are communicated through the cooling pipe 451, the cooling pipe 451 is communicated with the tank 45 containing the cooling liquid, and when the second piston rod 44 slides in the second piston cylinder 4, the cooling liquid in the tank 45 can be pumped into the first transverse pipe 41 through the cooling pipe 451 and the first transverse pipe 41 In two piston cylinder 4, the coolant liquid of drawing in the second piston cylinder 4 passes through in second violently pipe 42 and the propelling movement of cooling tube 451 reaches box 45 again for the coolant liquid can be along cooling tube 451, first violently pipe 41, the second violently pipe 42 and the circulation of cooling tube 451 flow, because the winding of cooling tube 451 is connected on sound-proof box 1, and then the coolant liquid can cool down sound-proof box 1 when flowing in cooling tube 451, guarantees that internals can cross and move under suitable temperature.
The cooling mechanism further comprises a fixing ring 342 fixedly connected to the second mounting plate 34, the fixing ring 342 is fixedly connected to the first horizontal pipe 41, a vibrating plate 13 is fixedly connected to the inside of the soundproof box 1, and a through hole matched with the first horizontal pipe 41 is formed in the vibrating plate 13.
Referring to fig. 2 and 3, the second piston cylinder 4 and the first horizontal tube 41 are respectively and fixedly connected to the first mounting plate 33 and the second mounting plate 34, and the first horizontal tube 41 and the second horizontal tube 42 are both flexible pipes, so that the first horizontal tube 41 can be pulled when the first mounting plate 33 and the second mounting plate 34 are away from each other, when the first horizontal tube 41 is stretched straight, vibration is generated and transmitted to the vibration plate 13, the vibration plate 13 feeds back the vibration to the first horizontal tube 41 and the second horizontal tube 42, so that the probably solidified lubricating oil adhered to the first horizontal tube 41 and the second horizontal tube 42 is shaken off, and the cooling effect is prevented from being poor due to the fact that the solidified lubricating oil blocks when the cooling liquid flows through the first horizontal tube 41 and the second horizontal tube 42,
The working principle is as follows: when the noise-proof and sound-proof parallel shaft helical gear reducer is used, the bottom plate 11 is arranged on a plane, the output shaft 27 is connected to a position needing power output, the motor 2 is started to enable the driving shaft 21 to rotate, the first helical gear 22 fixedly connected to the driving shaft 21 rotates, the second helical gear 24 meshed with the first helical gear 22 rotates, and as the diameter of the second helical gear 24 is larger than that of the first helical gear 22, the rotating speed of the second helical gear 24 is lower than that of the first helical gear 22, and the rotating speed of the rotating shaft 23 fixedly connected with the second helical gear 24 is lower than that of the driving shaft 21;
when the rotating shaft 23 rotates, the third helical gear 25 fixedly connected to the rotating shaft 23 rotates, and further the fourth helical gear 28 meshed with the third helical gear 25 rotates, because the diameter of the fourth helical gear 28 is larger than that of the third helical gear 25, and further the rotating speed of the fourth helical gear 28 is lower than that of the third helical gear 25, and further the rotating speed of the output shaft 27 fixedly connected with the fourth helical gear 28 is lower than that of the rotating shaft 23, because the above-mentioned parts except the motor 2 are all arranged in the soundproof box 1, and further the noise generated when the above-mentioned parts operate can be isolated by the soundproof box 1, and simultaneously because the soundproof box 1 is filled with lubricating oil, the above-mentioned parts can be lubricated when operating, and further the noise can be avoided.
When the second bevel gear 24 is driven by the first bevel gear 22 to rotate, the rotating shaft 23 fixedly connected with the second bevel gear 24 synchronously rotates, the cam 26 on the rotating shaft 23 synchronously rotates along with the rotating shaft 23, the cam 26 can intermittently extrude the vertical rod 5 in the rotating process, the vertical rod 5 is axially and slidably connected to the mounting frame 12, the tension spring 53 is fixedly connected to the connecting rod 51 fixedly connected to the bottom of the vertical rod 5, the tension spring 53 is fixedly connected to the mounting frame 12, the vertical rod 5 can slide downwards against the tension of the tension spring 53 when the cam 26 extrudes the vertical rod 5, and the vertical rod 5 moves upwards under the tension of the tension spring 53 when the cam 26 does not extrude the vertical rod 5;
because the mounting ring 3 is axially and slidably connected to the output shaft 27, the vertical rod 5 can slide up and down in the axial direction to drive the connecting rod 51 fixedly connected to the bottom of the vertical rod 5 to slide up and down synchronously with the vertical rod 5, the vertical rod 5 which slides up and down in the axial direction can drive the inclined rod 52 to swing through the connecting rod 51 so as to drive the mounting ring 3 to approach the fourth bevel gear 28 and extrude the fourth bevel gear 28, because the mounting rings 3 are symmetrically arranged on both sides of the fourth bevel gear 28, and the fourth bevel gear 28 can be pressed by the pressing rings 31 on the mounting rings 3 on both sides, and the relative movement distances of the mounting rings 3 on both sides of the fourth bevel gear 28 are equal, the fourth bevel gear 28 can be further squeezed and positioned, and the situation that the tooth meshing is inaccurate and noise is generated due to the fact that the end surfaces of the fourth bevel gear 28 and the third bevel gear 25 are not flush when the fourth bevel gear 28 outputs power is prevented;
because the mounting ring 3 is in rolling connection with the output shaft 27 through the balls 32, friction force between the mounting ring 3 and the output shaft 27 can be reduced, and the pressing ring 31 is rotationally connected to the mounting ring 3, when the pressing ring 31 contacts the fourth helical gear 28, the pressing ring 31 can be driven by the fourth helical gear 28 to rotate due to the friction force between the pressing ring 31 and the fourth helical gear 28, so that the pressing ring 31 does not generate large friction force to influence the rotation of the fourth helical gear 28 when contacting the fourth helical gear 28.
The first mounting plate 33 and the second mounting plate 34 which are respectively fixedly connected to the two mounting rings 3 move synchronously with the corresponding fixedly connected mounting rings 3 in the relative movement process of the two mounting rings 3, and then the first piston cylinder 331 which is fixedly connected to the first mounting plate 33 and the first piston rod 341 which is fixedly connected to the second mounting plate 34 can slide relatively while the first mounting plate 33 and the second mounting plate 34 move relatively, so that when the first piston rod 341 and the first piston cylinder 331 are far away from each other, the first piston cylinder 331 can suck the lubricating oil near the first piston cylinder 331 into the first piston cylinder 331 through the accommodating pipe 335, and then when the first piston cylinder 331 and the first piston rod 341 are close to each other, the lubricating oil absorbed in the first piston cylinder 331 is sprayed out of the accommodating pipe 335;
the first mounting plate 33 is fixedly connected on the mounting ring 3 and can move along the axial direction of the mounting ring 3, and since the mounting shaft 332 is fixed-axis rotated on the first mounting plate 33, and the mounting shaft 332 can follow the first mounting plate 33 to perform axial movement, since the rack 14 is engaged with the teeth 334 of the mounting shaft 332, and thus can be rotated when the mounting shaft 332 is axially moved, further, the magnetic filter screen 333 fixedly connected to the mounting shaft 332 swings around the mounting shaft 332, and the magnetic screen 333 just sweeps over the orifice of the accommodating tube 335 when the lubricant in the first cylinder 331 is ejected through the accommodating tube 335, the metal chips contained in the sprayed lubricating oil are subjected to concentrated adsorption treatment under the action of the magnetic force of the magnetic filter screen 333, fig. 3 is a diagram illustrating a state where the first piston rod 341 is farthest from the first piston cylinder 331, that is, the lubricant is sucked into the first piston cylinder 331.
The screw rod 442 coaxially connected with the mounting shaft 332 rotates synchronously when the mounting shaft 332 rotates, because the screw rod 442 is in threaded connection with the second piston rod 44, the raised strip 441 arranged on the second piston rod 44 slides in the second piston cylinder 4, the second piston cylinder 4 is fixedly connected with the first mounting plate 33 through the N-shaped frame 46, and the first mounting plate 33 moves axially along with the mounting ring 3, the mounting shaft 332 drives the screw rod 442 to rotate in a reciprocating manner, so that the second piston rod 44 can be driven to slide in the second piston cylinder 4 when the screw rod 442 rotates in a reciprocating manner, the first transverse pipe 41 and the second transverse pipe 42 connected with the second piston cylinder 4 are both provided with the check valve 43, the first transverse pipe 41 and the second transverse pipe 42 are communicated through the cooling pipe 451, the cooling pipe 451 is communicated with the box body 45 with the cooling liquid in the box body 45, and the cooling liquid in the box body 45 can be pumped into the second piston cylinder 4 through the cooling pipe 451 and the first transverse pipe 41 when the second piston rod 44 slides in the second piston cylinder 4, then the cooling liquid pumped in the second piston cylinder 4 is pushed into the box body 45 through the second transverse pipe 42 and the cooling pipe 451, so that the cooling liquid can circularly flow along the cooling pipe 451, the first transverse pipe 41, the second transverse pipe 42 and the cooling pipe 451, and the cooling pipe 451 is wound and connected on the soundproof box 1, so that the cooling liquid can cool the soundproof box 1 when flowing in the cooling pipe 451, and internal parts can be guaranteed to run at an appropriate temperature;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a noise control sound proof parallel shaft helical gear speed reducer, includes bottom plate (11), its characterized in that: the noise insulation box is characterized in that a noise insulation box (1) is fixedly connected to the bottom plate (11), lubricating oil is filled in the noise insulation box (1), a motor (2) is fixedly connected to the noise insulation box (1), a driving shaft (21) is fixedly connected to the output end of the motor (2), the driving shaft (21) penetrates through the noise insulation box (1) and is located inside the noise insulation box (1), a first helical gear (22) is fixedly connected to the inside of the noise insulation box (1), a rotating shaft (23) and an output shaft (27) are rotatably connected to the noise insulation box (1), a second helical gear (24) and a third helical gear (25) are fixedly connected to the rotating shaft (23), a fourth helical gear (28) is fixedly connected to the output shaft (27), the first helical gear (22) is meshed with the second helical gear (24), and the third helical gear (25) is meshed with the fourth helical gear (28);
a positioning mechanism used for positioning the fourth helical gear (28) so that the fourth helical gear (28) is correctly meshed with the third helical gear (25) is arranged in the sound insulation box (1), the positioning mechanism comprises two mounting rings (3) which are connected to the output shaft (27) in a sliding mode, the two mounting rings (3) are symmetrically distributed on two sides of the fourth helical gear (28), pressing rings (31) are connected to the two mounting rings (3) in a rotating mode, the two pressing rings (31) intermittently abut against the fourth helical gear (28), balls (32) are connected to the two mounting rings (3) in a rotating mode, and the balls (32) are connected to the output shaft (27) in a rolling mode;
the positioning mechanism further comprises two mounting frames (12) fixedly connected in the sound insulation box (1), vertical rods (5) are connected to the two mounting frames (12) in a sliding mode, connecting rods (51) are fixedly connected to the bottoms of the two vertical rods (5), two ends of each connecting rod (51) are rotatably connected with diagonal rods (52), one ends, far away from the connecting rods (51), of the two groups of diagonal rods (52) are rotatably connected to corresponding mounting rings (3) respectively, tension springs (53) are sleeved on the two vertical rods (5), and two ends of each tension spring (53) are fixedly connected to the mounting frames (12) and the connecting rods (51) respectively;
positioning mechanism still includes two cam (26), two equal fixed connection of cam (26) is in on pivot (23), and two cam (26) symmetric distribution is in the both sides of third helical gear (25), two cam (26) respectively with correspond montant (5) intermittent type offsets.
2. The noise-proof and sound-proof parallel shaft helical gear reducer according to claim 1, characterized in that: be equipped with on the positioning mechanism and be used for the clearance mechanism of the metal fillings that produce during the part operation in the sound-proof box (1), clearance mechanism includes first piston cylinder (331), two on collar (3) respectively fixedly connected with first mounting panel (33) and second mounting panel (34), first piston cylinder (331) fixed connection be in on first mounting panel (33), sliding connection has first piston rod (341) in first piston cylinder (331), first piston rod (341) fixed connection be in on second mounting panel (34), fixedly connected with is told and is managed (335) on first piston cylinder (331).
3. The noise-proof and sound-proof parallel shaft helical gear reducer according to claim 2, characterized in that: clearance mechanism still including rotate to be connected installation axle (332) on first mounting panel (33), fixedly connected with rack (14) in sound-proof box (1), be equipped with on installation axle (332) with tooth (334) of rack (14) meshing, fixedly connected with magnetic screen (333) on installation axle (332), sweep of magnetic screen (333) intermittent type the mouth of pipe of telling guan (335).
4. The noise-proof and sound-proof parallel shaft helical gear reducer according to claim 3, characterized in that: the cleaning mechanism is provided with a cooling mechanism for cooling lubricating oil in the soundproof box (1), the cooling mechanism comprises a second piston cylinder (4), an N-shaped frame (46) is fixedly connected to the second piston cylinder (4), the N-shaped frame (46) is fixedly connected to the first mounting plate (33), a second piston rod (44) is connected to the second piston cylinder (4) in a sliding manner, a raised line (441) is fixedly connected to the second piston rod (44), a sliding groove matched with the raised line (441) is formed in the second piston cylinder (4), a screw rod (442) is coaxially and fixedly connected to the mounting shaft (332), a threaded hole matched with the screw rod (442) is formed in the second piston rod (44), a first transverse pipe (41) and a second transverse pipe (42) are fixedly connected to the second piston cylinder (4), and one-way valves (43) are arranged on the first transverse pipe (41) and the second transverse pipe (42), the cooling pipe (451) is fixedly connected to the first transverse pipe (41), one end, far away from the first transverse pipe (41), of the cooling pipe (451) is fixedly connected to the second transverse pipe (42), a box body (45) with built-in cooling liquid is fixedly connected to the sound insulation box (1), and the cooling pipe (451) is communicated with the box body (45).
5. The noise-proof and sound-proof parallel shaft helical gear reducer according to claim 4, wherein: cooling body still includes fixed connection fixed ring (342) on second mounting panel (34), fixed ring (342) fixed connection be in on first violently pipe (41), fixedly connected with vibration board (13) in sound-proof box (1), vibration board (13) on seted up with first violently pipe (41) complex through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280076.0A CN113833825B (en) | 2021-11-01 | 2021-11-01 | Noise-proof and sound-proof parallel shaft helical gear speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280076.0A CN113833825B (en) | 2021-11-01 | 2021-11-01 | Noise-proof and sound-proof parallel shaft helical gear speed reducer |
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| Publication Number | Publication Date |
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| CN113833825A CN113833825A (en) | 2021-12-24 |
| CN113833825B true CN113833825B (en) | 2022-04-19 |
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| CN202111280076.0A Active CN113833825B (en) | 2021-11-01 | 2021-11-01 | Noise-proof and sound-proof parallel shaft helical gear speed reducer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59113340A (en) * | 1982-12-21 | 1984-06-30 | Sumitomo Heavy Ind Ltd | Method and device for installation of planet gear in planet gear mechanism |
| CN206754294U (en) * | 2017-05-08 | 2017-12-15 | 杭州欧邦机械有限公司 | Parallel-shaft bevel wheel reducer |
| CN212564240U (en) * | 2020-06-15 | 2021-02-19 | 苏州巨威自动化控制设备有限公司 | Bevel gear hard tooth surface speed reducer |
| CN213176708U (en) * | 2020-07-10 | 2021-05-11 | 江苏金长城减速机有限公司 | Noise reduction gear for speed reducer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6807878B2 (en) * | 2000-07-18 | 2004-10-26 | Nicholas Wren | Device to provide continuously variable gear reduction |
| AU2014200254B2 (en) * | 2013-03-28 | 2017-02-02 | Honda Motor Co., Ltd. | Vibration isolating structure for power unit |
-
2021
- 2021-11-01 CN CN202111280076.0A patent/CN113833825B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59113340A (en) * | 1982-12-21 | 1984-06-30 | Sumitomo Heavy Ind Ltd | Method and device for installation of planet gear in planet gear mechanism |
| CN206754294U (en) * | 2017-05-08 | 2017-12-15 | 杭州欧邦机械有限公司 | Parallel-shaft bevel wheel reducer |
| CN212564240U (en) * | 2020-06-15 | 2021-02-19 | 苏州巨威自动化控制设备有限公司 | Bevel gear hard tooth surface speed reducer |
| CN213176708U (en) * | 2020-07-10 | 2021-05-11 | 江苏金长城减速机有限公司 | Noise reduction gear for speed reducer |
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| CN113833825A (en) | 2021-12-24 |
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