CN209262192U - A kind of vibration and noise reducing gear - Google Patents
A kind of vibration and noise reducing gear Download PDFInfo
- Publication number
- CN209262192U CN209262192U CN201821738623.9U CN201821738623U CN209262192U CN 209262192 U CN209262192 U CN 209262192U CN 201821738623 U CN201821738623 U CN 201821738623U CN 209262192 U CN209262192 U CN 209262192U
- Authority
- CN
- China
- Prior art keywords
- wheel body
- external gear
- vibration
- noise reducing
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001603 reducing effect Effects 0.000 title claims abstract description 37
- 239000004519 grease Substances 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 18
- 238000013461 design Methods 0.000 description 6
- 238000005273 aeration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Gears, Cams (AREA)
Abstract
The utility model relates to gear drive fields, specifically, the utility model relates to a kind of vibration and noise reducing gear with air pressure or hydraulic damper.Including external gear, the wheel body being arranged in external gear, wheel body is stuck in external gear by end cap by fastening screw, the wheel body is equipped with the air pressure that wheel body can be made to drive external gear rotation or hydraulic spring grease cup damper, the air pressure or hydraulic spring grease cup damper are at least provided with one, one end setting is internal in wheel, and the other end is arranged in external gear.Therefore, the utility model has the advantages that (1) mitigates gear weight, improves transmission efficiency;(2) the quick detachable replacement of accessory, improves service life；(3) vibration and noise reducing is conducive to continuous high loaded process, improves operating condition, energy-saving.
Description
Technical field
The utility model relates to gear drive fields, and specifically, the utility model relates to a kind of band air pressure or hydraulic dampings
The vibration and noise reducing gear of device.
Background technique
Modern industry just develops towards efficient, high speed, powerful direction, and mechanical noise has become the master of environmental pollution
Want one of factor.As transmission device most commonly seen in mechanized equipment, gear drive has become the main source of vibration noise.
Vibration noise can not only make one fatigue, harmful to health, but also can reduce the service life and transmission efficiency of gear, improve vibration damping
Noise reduction technique can realize continuous heavy-duty service for mechanized equipment and energy-saving provide a strong guarantee.Therefore subtracting for gear is studied
The noise reduction technology that shakes has great society and economic value.
Currently, reducing gear vibration noise mainly passes through two methods of active designs and passive design.Wherein active designs
It mainly is improved the methods of the accuracy of manufacture and axial modification, although in active designs it is contemplated that it is preferred that the structural parameters of gear
Such as tooth form, pressure angle improve the engagement situation of gear, but the mesh impact, time-varying in the engagement design of gear such as have just measured at the nothings
Method avoids, and is influenced by processing technology, and the effect of vibration and noise reducing is unobvious；For passive vibration damping, mainly designed in gear parameter
After, using a kind of oscillation damping method of other methods, such as the vibration of internal packing material, wheel body additional damping ring control gear
It is dynamic, to reach the requirement for reducing vibration, reducing noise.It is gear respectively with rubbing at present there are two types of the passive damping modes of mainstream
Wipe energy consumer, gear viscoelastic damper.
It is found by comparative analysis, active designs cannot significantly achieve the effect that vibration and noise reducing, so using passively setting
The oscillation damping method of additional damping material in meter.
Utility model content
The utility model mainly solves technical problem present in the prior art；A kind of band air pressure or hydraulic damping are provided
The vibration and noise reducing gear of device, can effectively reduce grating of gears and vibration, improve service life and transmission efficiency, continuous high to realize
It load running and energy-saving provides a strong guarantee.
Above technical problems of the utility model are mainly solved by the following technical scheme:
A kind of vibration and noise reducing gear, which is characterized in that including external gear, the wheel body being arranged in external gear, end cap passes through
Wheel body is stuck in external gear by fastening screw, and the wheel body is equipped with the air pressure that wheel body can be made to drive external gear rotation or hydraulic bullet
At least provided with one, one end setting is internal in wheel for spring damper, the air pressure or hydraulic spring grease cup damper, and other end setting exists
In external gear.
In a kind of above-mentioned vibration and noise reducing gear, the wheel body thickness is less than external gear thickness, air pressure or hydraulic spring grease cup resistance
Buddhist nun's device is three, and wheel body periphery is equidistantly provided with three protrusions；In each protrusion along two sides in wheel body tangent to periphery direction
Face is respectively arranged with the threaded hole with air pressure or hydraulic spring grease cup damper one end fits；Protrusion side is along two faces of wheel body circumferential direction
It is provided with and is connected to threaded hole for filling buffer gas to gas spring or to the aperture of hydraulic spring grease cup supplement buffer.
In a kind of above-mentioned vibration and noise reducing gear, for placing wheel body, external gear inner wall is circumferentially set external gear center opening
There are three fan-shaped protrusion, three grooves are formed between three fan-shaped protrusions, three protrusions can be respectively clamped into external gear on wheel body
Three grooves in；Three grooves are similarly formed on wheel body between three protrusions, three fan-shaped protrusions can be respectively clamped into wheel body
Three grooves in, three fan-shaped protrusion thickness are equal to the thickness of wheel body；On the fan-shaped protrusion side opposite with the protrusion of wheel body
It is provided with the aperture for being inserted into air pressure or the hydraulic spring grease cup damper other end.
In a kind of above-mentioned vibration and noise reducing gear, the sum of wheel body upper screwed hole and the length of aperture of fan-shaped protrusion are air pressure
Or the length of hydraulic spring grease cup damper, a threaded hole is each provided on two sides of fan-shaped protrusion axial direction side, is used for
Fixed end cap；The shape of the end cap is circular ring shape, and the thickness of two end caps is equal to the thickness of external gear plus the thickness of wheel body,
The end cap is used to for wheel body being fixed on the tapping at external gear center.
In a kind of above-mentioned vibration and noise reducing gear, described three fan-shaped protrusions are along center line in 120 degree of distributions.
In a kind of above-mentioned vibration and noise reducing gear, the air pressure or hydraulic spring grease cup damper are nitrogen gas spring damper.
In a kind of above-mentioned vibration and noise reducing gear, the tailpiece of the piston rod of the air pressure or hydraulic spring grease cup damper adds spherical shape
Ball.
In a kind of above-mentioned vibration and noise reducing gear, the sharp place that the cutting notch of external gear wheel leaves carries out chamfering.
In a kind of above-mentioned vibration and noise reducing gear, wheel body install at gas or liquid spring damper and external gear there are
Gap, other positions of wheel body periphery and external gear carry out transition fit, and wheel body is fixed at external gear center.
Therefore, the utility model has the advantages that
1. mitigating gear weight, transmission efficiency is improved.
2. the quick detachable replacement of accessory, improves service life.
3. vibration and noise reducing is conducive to continuous high loaded process, improve operating condition, it is energy-saving.
Detailed description of the invention
Fig. 1 is the utility model vibration damping and noise reducing gear assembly three-dimensional explosive view.
Fig. 2 is the assembly main view of the utility model vibration damping and noise reducing gear end-cover-free.
Fig. 3 is the utility model vibration damping and noise reducing gear external gear main view.
Fig. 4 is the utility model vibration damping and noise reducing gear wheel body main view.
Fig. 5 is the utility model vibration damping and noise reducing gear nitrogen gas spring main view.
In figure, 1- external gear；2- wheel body；3- nitrogen gas spring；4- end cap；5- threaded hole；6- notch；7a, 7b- screw hole,
8- aeration aperture, 9- piston rod, 10- spherical ball, 11- cut notch.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment
As shown in Figure 1, the utility model includes external gear 1, wheel body 2, end cap 4, fastening screw and gas spring damping
Device.It is worth noting that, herein only by taking nitrogen gas spring 3 as an example, but it is not limited to nitrogen gas spring 3, it can be by air pressure or hydraulic spring grease cup
Damper substitution,
The utility model is only illustrated with nitrogen gas spring.As shown in Figs. 1-5, each part has following feature, with full depth tooth
Wheel is compared, which is divided into external gear 1 and wheel body 2, and to three protrusions of wheel body 2, the two sides of each protrusion are respectively cut
The specific cutting profile of notch 6(is also respectively cut out on the corresponding position of external gear 1 and sees attached drawing 1 for one threaded hole 5).Axis simultaneously
Two sides reserve end cap 4 to the left and right, and end cap 4 pushes down wheel body 2, and end cap 4 is fixed on external gear 1 using fastening screw, realize wheel
The axial restraint of body 2.End cap 4 is equipped with several screw hole 7a, and corresponding position is again provided with corresponding several screw holes on external gear 1
7b, fastening screw pass through screw hole 7a, 7b to fix end cap 4.
It is bored on the axial direction of wheel body 2 there are six aperture corresponding with nitrogen gas spring 3, i.e. aeration aperture 8, for giving nitrogen bullet
Spring 3 is inflated.The sum of length of notch 6 is the length after the elongation completely of nitrogen gas spring 3 on 2 upper screwed hole 5 of wheel body and external gear 1
(i.e. the natural length of nitrogen gas spring 3) is wherein equipped with screw thread, can will be threaded the nitrogen of cylinder in the threaded hole 5 of wheel body 2
Spring 3 screws in, by the setting of threaded line just by the aeration aperture of nitrogen gas spring 3 against the aeration aperture 8 on wheel body 2.Wheel body 2 is logical
It crosses nitrogen gas spring 3 to transmit power, external gear 1 is driven to rotate, entire gear mainly passes through the rigidity of nitrogen gas spring 3 and damps real
Existing vibration and noise reducing effect.
In terms of details, the setting of six nitrogen gas springs 3 is so that bilateral symmetry, Direct/Reverse rotation can all realize effect.Such as
Shown in Fig. 5 additional, spherical ball 10 is installed to the end of the piston rod 9 of nitrogen gas spring 3 in the market, solved each in gear rotation process
To the problem of loaded unevenness, cuts the sharp place that notch 11 leaves and all carry out chamfering, eliminate the stress at this and concentrate.
As shown in Figure 2,3, wheel body 2 is installed at nitrogen gas spring 3 with external gear 1 there are gap, other positions of 2 periphery of wheel body with
External gear 1 carries out clearance fit, and when generating vibration, wheel body 2 and external gear 1 can produce small relative rotation, then pass through nitrogen
The deformation of gas spring 3 is to reach effectiveness in vibration suppression.
Vibration and noise reducing function described in the utility model is to bear radial vibration by external gear 1 shown in Fig. 2, by external tooth
Wheel 1 transfers vibrations to nitrogen gas spring 3 shown in Fig. 5, then realizes vibration damping by the deformation of nitrogen gas spring 3, to achieve the goal.For axis
To non-uniform problem loaded, in such a way that 3 piston rod of nitrogen gas spring, 9 end adds spherical ball 10 as shown in Figure 5 come
Eliminate load.Vibration surplus is reserved between wheel body 2 and external gear 1, thus preferably realize effectiveness in vibration suppression, the realization vibration damping drop
The nitrogen gas spring 3 made an uproar can be substituted by air-pressure damping device or hydraulic damper, be not limited to nitrogen gas spring.
The assembling process of entire gear is as follows:
1, the nitrogen gas spring of unaerated 3 is screwed in the threaded hole 5 of wheel body 2；
2, wheel body 2 is packed into external gear 1 by the piston rod 9 for depressing nitrogen gas spring 3；
3,6 nitrogen gas springs 3 are inflated, the piston rod 9 of nitrogen gas spring 3 supports in the notch 6 of external gear 1；
4, two end caps 4 are fixed on 1 both ends of external gear with fastening screw；
5, it is used after being keyed on gear and axis.
The course of work are as follows:
Wheel body 2 is connected by nitrogen gas spring 3 with external gear 1, and axis drives wheel body 2, and wheel body 2 is passed power by nitrogen gas spring 3
It passs, so that external gear 1 be driven to rotate.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of vibration and noise reducing gear, which is characterized in that including external gear, the wheel body being arranged in external gear, end cap passes through tight
Gu wheel body is stuck in external gear by screw, the wheel body is equipped with the air pressure that wheel body can be made to drive external gear rotation or hydraulic spring grease cup
Damper, the air pressure or hydraulic spring grease cup damper are at least provided with one, and one end setting is internal in wheel, and the other end is arranged outside
In gear.
2. a kind of vibration and noise reducing gear according to claim 1, which is characterized in that it is thick that the wheel body thickness is less than external gear
Degree, air pressure or hydraulic spring grease cup damper are three, and wheel body periphery is equidistantly provided with three protrusions；In each protrusion along wheel body circle
Two sides of all tangential directions are respectively arranged with the threaded hole with air pressure or hydraulic spring grease cup damper one end fits；Protrusion side
It is provided with and is connected to threaded hole for filling buffer gas to gas spring or being supplemented to hydraulic spring grease cup along two faces of wheel body circumferential direction
The aperture of buffer.
3. a kind of vibration and noise reducing gear according to claim 2, which is characterized in that external gear center opening is for placing wheel
Body, external gear inner wall are circumferentially with three fan-shaped protrusions, form three grooves, three protrusions on wheel body between three fan-shaped protrusions
It can be respectively clamped into three grooves of external gear；Three grooves are similarly formed on wheel body between three protrusions, three sectors are prominent
Rising can be respectively clamped into three grooves of wheel body, and three fan-shaped protrusion thickness are equal to the thickness of wheel body；Fan-shaped protrusion and wheel body
The opposite side of protrusion on be provided with aperture for being inserted into air pressure or the hydraulic spring grease cup damper other end.
4. a kind of vibration and noise reducing gear according to claim 3, which is characterized in that wheel body upper screwed hole and fan-shaped protrusion
The sum of length of aperture is the length of air pressure or hydraulic spring grease cup damper, is respectively set on two sides of fan-shaped protrusion axial direction side
It is equipped with a threaded hole, for fixing end cap；The shape of the end cap is circular ring shape, and the thickness of two end caps adds the thickness of wheel body
Degree is equal to the thickness of external gear, and the end cap is used to for wheel body being fixed on the tapping at external gear center.
5. a kind of vibration and noise reducing gear according to claim 3, which is characterized in that described three fan-shaped protrusions are along center line
It is distributed in 120 degree.
6. a kind of vibration and noise reducing gear according to claim 1, which is characterized in that the air pressure or hydraulic spring grease cup damper
For nitrogen gas spring damper.
7. a kind of vibration and noise reducing gear according to claim 1, which is characterized in that the air pressure or hydraulic spring grease cup damper
Tailpiece of the piston rod add spherical ball.
8. a kind of vibration and noise reducing gear according to claim 1, which is characterized in that the cutting notch of external gear wheel left
Sharp place carries out chamfering.
9. a kind of vibration and noise reducing gear according to claim 1, which is characterized in that wheel body installs gas or liquid spring resistance
There are gap, other positions of wheel body periphery and external gears to carry out transition fit for Ni Qichu and external gear, wheel body is fixed on outer
At gear centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821738623.9U CN209262192U (en) | 2018-10-25 | 2018-10-25 | A kind of vibration and noise reducing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821738623.9U CN209262192U (en) | 2018-10-25 | 2018-10-25 | A kind of vibration and noise reducing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262192U true CN209262192U (en) | 2019-08-16 |
Family
ID=67558961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821738623.9U Expired - Fee Related CN209262192U (en) | 2018-10-25 | 2018-10-25 | A kind of vibration and noise reducing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236984A (en) * | 2018-10-25 | 2019-01-18 | 华中农业大学 | A kind of vibration and noise reducing gear and its assembly technology |
-
2018
- 2018-10-25 CN CN201821738623.9U patent/CN209262192U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236984A (en) * | 2018-10-25 | 2019-01-18 | 华中农业大学 | A kind of vibration and noise reducing gear and its assembly technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109236984A (en) | A kind of vibration and noise reducing gear and its assembly technology | |
| CN209262192U (en) | A kind of vibration and noise reducing gear | |
| CN209483803U (en) | It is connected with the combined bias shaft of harmonic speed reducer | |
| CN114623175B (en) | Safety Guide Pin Structure for Automobile Brake | |
| CN210161230U (en) | Novel flexible material cutter head mechanism | |
| CN204784435U (en) | Silicon oil rubber shock absorber | |
| CN202651961U (en) | Cylindrical vibration motor | |
| CN108518469A (en) | A kind of automobile transmission Noise-reducing gear | |
| CN207989572U (en) | A kind of clipping bearing applied to numerically-controlled machine tool | |
| CN113236734A (en) | Variable-rigidity vibration reduction gear | |
| CN208041095U (en) | A kind of vertical type single-cylinder diesel engine idle gear combined compouent mechanism | |
| CN204900502U (en) | Novel miniature axle of annular knurl | |
| CN202073974U (en) | Rubber vibration damper | |
| CN204961617U (en) | Be applied to firewood and move high -elastic shaft coupling device on screw compressor | |
| CN210661206U (en) | Flywheel with novel structure | |
| CN205689723U (en) | A kind of high intensity driven gear for oilless (oil free) compressor | |
| CN208503402U (en) | A kind of gear improving structure | |
| CN115110184B (en) | Design method of vibration-resistant high-speed godet wheel | |
| CN210068737U (en) | High-speed rotor end face weight reduction and wind resistance reduction device | |
| CN213899715U (en) | Wheel-shaped inner tube for automobile damping system | |
| CN214578691U (en) | Gear with vibration and noise reduction function by using thread damping | |
| CN203297467U (en) | Silicon oil torsional damper shell | |
| CN217080978U (en) | Gear shaft for pneumatic actuator | |
| CN208057756U (en) | A kind of hydraulic torque converter for automatic transmission | |
| CN203868121U (en) | Balance bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 |