CN206206515U - A kind of large transmission ratio planetary mechanical reduction gear - Google Patents
A kind of large transmission ratio planetary mechanical reduction gear Download PDFInfo
- Publication number
- CN206206515U CN206206515U CN201621285035.5U CN201621285035U CN206206515U CN 206206515 U CN206206515 U CN 206206515U CN 201621285035 U CN201621285035 U CN 201621285035U CN 206206515 U CN206206515 U CN 206206515U
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- CN
- China
- Prior art keywords
- gear
- base plate
- ring gear
- fixture
- tumbler
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Abstract
The utility model is related to a kind of large transmission ratio planetary mechanical reduction gear, including fixed mount, fixture, tumbler, rotating shaft, driving wheel, driving gear, the fixture to be fixedly connected with fixed mount, and tumbler is rolled with fixture and is connected, and can opposed fixed member rotation；The fixture includes the first base plate, and the flange being fixedly connected with the first base plate；The first ring gear is provided with the bottom of the inwall of the flange；The driving gear is fixedly connected with rotating shaft；At least one planetary gear is provided between driving gear and the first ring gear；The tumbler is hollow wheel-like structure, including the second base plate and upwardly extends the belt wheel to be formed along the second base plate edge；It is provided with along the second base plate the second ring gear being fixedly connected with the second base plate upwards in the cavity of tumbler；There is big speed reducing ratio, simple structure, high working efficiency, easy care easy to operate and make using the large transmission ratio planetary mechanical reduction gear of said structure to produce low.
Description
Technical field
The utility model belongs to reductor technical field, more particularly to a kind of big transmission used in industrial crane field
Compare epicyclic reduction gear unit.
Background technology
Gear reduction unit is widely used in present industry manufacture, and particularly planetary gears is due to larger
Gearratio, 10,000 or so can be accomplished, in reductor field using more, but the planetary gear with big speed ratio now
The general all specific complicated gear mechanism of reductor, big gearratio is reached by the cooperation of multistage planetary gears, is tied
Structure is accurate, and manufacturing cost and use cost are high and it is necessary to could safeguard that maintenance cost is high by the technical staff of patent, enter
And the production cost of industry is increased, thus a kind of mechanical reduction gear with big speed ratio how is designed, and structure letter
Single, operation and maintenance is convenient, the need for becoming production.
The content of the invention
The purpose of this utility model is to solve the problems, such as that above-mentioned prior art is not enough, and provides a kind of large transmission ratio planetary
Mechanical reduction gear, the deceleration device not only has big gearratio, and bearing capacity is big, and simple structure, low cost of manufacture, behaviour
Make easy to maintenance.
The technical scheme that the utility model is used is：
A kind of large transmission ratio planetary mechanical reduction gear, including fixed mount, fixture, tumbler, rotating shaft, driving gear,
The fixture is fixedly connected with fixed mount, and tumbler is rolled with fixture and is connected, and can opposed fixed member rotation；
The fixture includes the first circular base plate, and the flange being fixedly connected with the first base plate, and the flange is circle
Round, and central axis and the bottom of the flange central axes；First is provided with the bottom of the inwall of the flange
Ring gear；Be provided with first through hole at the center of first base plate, one end of the rotating shaft passes through the first through hole, into it is solid
In determining the bearing block that frame is fixedly connected；
The driving gear is fixedly connected with rotating shaft, and with the first contacts baseplate of fixture, rotating shaft drive driving gear
Rotation；At least one planetary gear, the planetary gear are provided between driving gear and the first ring gear while and driving tooth
Wheel and the engagement of the first ring gear；
The tumbler is hollow wheel-like structure, including circular the second base plate and upwardly extends shape along the second base plate edge
Into belt wheel, the belt wheel be output wheel；It is provided with to be fixed with the second base plate upwards along the second base plate in the cavity of tumbler and connects
The second ring gear for connecing, second ring gear is equal with the thickness and diameter of first ring gear, the tooth of the second ring gear
Number is less than the number of teeth of the first ring gear, the central axis of second ring gear and the central axis weight of the base plate of tumbler second
Close；The accommodating cavity of the flange that can be accommodated on the fixture is formed between the second ring gear and belt wheel；In the second base plate
Center be provided with the second through hole, stretch out the bearing block to be formed and be integrated with the second base plate along the edge of second through hole, turn
The other end of axle is connected through the bearing block with driving wheel；
When fixture and tumbler link together, driving gear is nibbled with the first ring gear and the second ring gear simultaneously
Close.
Further improve, the planetary gear is three, is symmetrically arranged between driving gear and the first ring gear.
Further improve, tip diameter of the distance between the two neighboring planetary gear center more than planetary gear.
Further improve, some rolling members are provided with the flange of the fixture and the pulley contact of tumbler.
Further improve, the rolling member is cylindrical roller.
The beneficial effects of the utility model are：
1. a kind of large transmission ratio planetary mechanical reduction gear of the utility model, by the way that side is set to fix ring gear,
Opposite side uses rotatable ring gear, and driving gear is driven by rotating shaft, and driving gear drives and rotates ring gear rotation, according to two
The setting of the individual inner ring number of teeth, is capable of achieving big reduction gear ratio, and only primary structure, and simple structure, low cost of manufacture is carried
Amount is big, and operation and maintenance is convenient；
2. three planetary gears are set, further increase the stability of whole device；
3. the distance between two neighboring planetary gear center is effectively ensured worked more than the tip diameter of planetary gear
Two adjacent planetary gears will not collide in journey；
4. rolling member is provided with the flange of the fixture and the pulley contact of tumbler, is effectively improved rotation ring gear
Delivery efficiency, increase service life；
The utility model provide a kind of large transmission ratio planetary mechanical reduction gear have big speed reducing ratio, simple structure,
High working efficiency, easy care easy to operate and the low advantage of making production.
Brief description of the drawings
A kind of fixture stereochemical structure of large transmission ratio planetary mechanical reduction gear that Fig. 1 is provided for the utility model is illustrated
Figure.
A kind of tumbler stereochemical structure of large transmission ratio planetary mechanical reduction gear that Fig. 2 is provided for the utility model is illustrated
Figure.
Each gear in a kind of fixture of large transmission ratio planetary mechanical reduction gear that Fig. 3 is provided for the utility model
Turn to match somebody with somebody position relationship planar structure schematic diagram.
A kind of fixture of large transmission ratio planetary mechanical reduction gear that Fig. 4 is provided for the utility model turns with tumbler
Distribution structure schematic diagram
In figure：1st, fixed mount；2nd, fixture；3rd, tumbler；4th, driving wheel；5th, driving gear；6th, rolling member；7th, rotating shaft；
20th, the first base plate；21st, flange；22nd, the first ring gear；23rd, planetary gear；24th, first through hole；30th, the second base plate；31st, band
Wheel；32nd, the second ring gear；33rd, accommodating cavity；34th, the second through hole.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment, a kind of large transmission ratio planetary mechanical reduction gear, as shown in Figures 1 to 4, including fixed mount 1, fixture
2, tumbler 3, rotating shaft 7, driving gear 5, the fixture 2 is fixedly connected with fixed mount 1, and tumbler 3 is rolled with fixture 2 and connected
Connect, and can opposed fixed member 2 rotate.
The fixture 2 includes the first circular base plate 20, and the flange 21 being fixedly connected with the first base plate 20, described convex
Edge 21 be circle shape, and the central axis of the flange 21 and the first base plate 20 central axes, in the flange 21
The bottom of inwall is provided with the first ring gear 22, and first through hole 24, the one of the rotating shaft 7 are provided with the center of first base plate 20
Hold through the first through hole 24, into the bearing block being fixedly connected with fixed mount 1.
The driving gear 5 is fixedly connected with rotating shaft 7, and is contacted with the first base plate 20 of fixture 2, and rotating shaft 7 drives master
Moving gear 5 is rotated, and at least one planetary gear 23, the planetary gear are provided between the ring gear 22 of driving gear 5 and first
23 engage with the ring gear 22 of driving gear 5 and first simultaneously.In order to increase the operation stability of device, at the same consider it is economical into
This, planetary gear 23 is preferably 3, and this 3 planetary gears 23 are symmetrically arranged in the ring gear 22 of driving gear 5 and first
Between, while in order to avoid in the process of running, two neighboring planetary gear 23 collides with each other, the center of two neighboring planetary gear 23
The distance between more than planetary gear 23 tip diameter.
The tumbler 3 is hollow wheel-like structure, including circular the second base plate 30 and upward along the edge of the second base plate 30
Extend the belt wheel 31 for being formed, the belt wheel 31 is output wheel, the outer surface of the belt wheel may be configured as it is smooth, in the output of upper surface cover
Belt, naturally it is also possible to set flute profile bar in the outer surface of the belt wheel 31, there is provided the tooth bar way of output, can also be any for other
The way of output of needs.It is provided with along the second base plate 30 the be fixedly connected with the second base plate 30 upwards in the cavity of tumbler 3
Two ring gears 32, second ring gear 32 is equal with the thickness and diameter of first ring gear 22, the second ring gear 32
The number of teeth less than the first ring gear 22 the number of teeth, it is specific few how many, can as needed depending on, by setting two numbers of teeth of ring gear
And the number of teeth of planetary gear, speed reducing ratio maximum can accomplish 10,000, and if thinking Iterim Change speed reducing ratio in use, only
The planetary gear that suitable gear need to be changed can reach and achieve the goal, easy to use.The central axis of second ring gear 32 with
The central axes of the base plate 30 of tumbler 3 second.Formation can accommodate described solid between the second ring gear and 32 belt wheels 31
Determine the accommodating cavity 33 of the flange 21 on part 2；The second through hole 34 is provided with the center of the second base plate 30, along second through hole 34
Edge stretches out the bearing block to be formed and be integrated with the second base plate 30, and the other end of rotating shaft 7 is through the bearing block and driving wheel 4
Drive connection.
When fixture 2 and tumbler 3 link together, driving gear 5 simultaneously with the first ring gear 22 and the second internal tooth
Circle 32 engage, in the specific implementation, can driving gear 5 make the long gear of tooth bar simultaneously with the first ring gear 22 and
Second ring gear 32 is engaged, and can also constitute driving gear 5, such case with the thickness engaging being fixed together back-to-back
Under, two gears are engaged with the first ring gear 22 and the second ring gear 32 respectively, can equally be achieved the goal.
In order to improve the delivery efficiency of tumbler 3, contacted in the flange 21 of the fixture 2 and the belt wheel 31 of tumbler 3
Place is provided with some rolling members 6, in the present embodiment, using cylindrical roller as rolling member 6, is effectively improved the defeated of tumbler
Go out efficiency, increase the service life.
Specific embodiment more than can be seen that a kind of large transmission ratio planetary The gear deceleration of the utility model offer
Device has the advantages that big speed reducing ratio, simple structure, high working efficiency, easy care easy to operate and makes to produce low.
Claims (5)
1. a kind of large transmission ratio planetary mechanical reduction gear, it is characterised in that including fixed mount, fixture, tumbler, rotating shaft,
Driving wheel, driving gear, the fixture is fixedly connected with fixed mount, and tumbler is rolled with fixture and is connected, and can be consolidated relatively
Determine part rotation；
The fixture includes the first circular base plate, and the flange being fixedly connected with the first base plate, and the flange is circle shape,
And the central axes of the central axis of the flange and the first base plate；It is provided with first in the bottom of the inwall of the flange
Gear ring；Be provided with first through hole at the center of first base plate, one end of the rotating shaft passes through the first through hole, into fixation
In the bearing block that frame is fixedly connected；
The driving gear is fixedly connected with rotating shaft, and with the first contacts baseplate of fixture, rotating shaft drive driving gear rotation；
Be provided with least one planetary gear between driving gear and the first ring gear, the planetary gear simultaneously with driving gear and the
One ring gear is engaged；
The tumbler is hollow wheel-like structure, including circular the second base plate and upwardly extends what is formed along the second base plate edge
Belt wheel, the belt wheel is output wheel；It is provided with what is be fixedly connected with the second base plate upwards along the second base plate in the cavity of tumbler
Second ring gear, second ring gear is equal with the thickness and diameter of first ring gear, and the number of teeth of the second ring gear is few
In the number of teeth of the first ring gear, the central axis of second ring gear and the central axes of the base plate of tumbler second；
The accommodating cavity of the flange that can be accommodated on the fixture is formed between second ring gear and belt wheel；At the center of the second base plate
Be provided with the second through hole, stretch out the bearing block to be formed and be integrated with the second base plate along the edge of second through hole, rotating shaft it is another
One end is connected through the bearing block with driving wheel；
When fixture and tumbler link together, driving gear is engaged with the first ring gear and the second ring gear simultaneously.
2. a kind of large transmission ratio planetary mechanical reduction gear according to claim 1, it is characterised in that the planetary gear
It is three, is symmetrically arranged between driving gear and the first ring gear.
3. according to a kind of large transmission ratio planetary mechanical reduction gear described in claim 2, it is characterised in that two neighboring planetary gear
Tip diameter of the distance between the center more than planetary gear.
4. according to a kind of large transmission ratio planetary mechanical reduction gear described in claim 1, it is characterised in that in the fixture
Some rolling members are provided with the pulley contact of flange and tumbler.
5. according to a kind of large transmission ratio planetary mechanical reduction gear described in claim 4, it is characterised in that the rolling member is circle
Cylindricality ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621285035.5U CN206206515U (en) | 2016-11-28 | 2016-11-28 | A kind of large transmission ratio planetary mechanical reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621285035.5U CN206206515U (en) | 2016-11-28 | 2016-11-28 | A kind of large transmission ratio planetary mechanical reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206515U true CN206206515U (en) | 2017-05-31 |
Family
ID=58747745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621285035.5U Expired - Fee Related CN206206515U (en) | 2016-11-28 | 2016-11-28 | A kind of large transmission ratio planetary mechanical reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206515U (en) |
-
2016
- 2016-11-28 CN CN201621285035.5U patent/CN206206515U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201128 |