CN205911894U - Well casement RV speed reducer - Google Patents
Well casement RV speed reducer Download PDFInfo
- Publication number
- CN205911894U CN205911894U CN201620778107.3U CN201620778107U CN205911894U CN 205911894 U CN205911894 U CN 205911894U CN 201620778107 U CN201620778107 U CN 201620778107U CN 205911894 U CN205911894 U CN 205911894U
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- gear
- speed reducer
- flange
- output shaft
- input
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Abstract
The utility model provides a well casement RV speed reducer, including RV speed reducer body (1), input flange (2), output flange (3) and servo motor (4), its characterized in that, the center of RV speed reducer body (1) is line cable tube (11), input flange (2) sealed cover is established line cable tube (11) input, the output shaft biasing of servo motor (4) is in one side middle part of input flange (2), set up 3 -level retard mechanism in the RV speed reducer body (1), the first order is in -line gear reduction gears (12), planetary gear reduction mechanism (14) of the second level, and the third level is that cycloidal -pin gear speed reducer constructs, output shaft that cycloidal -pin gear speed reducer constructs with output flange (3) sealing connection. The installation of the convenient various cables of well casement RV speed reducer that this scheme provided arranges that RV reduction gear and servo motor's installation geometric tolerances is guaranteed by mounting flange that the size of the drive ratio of whole reduction gear can realize according to adjustment power input gear shaft and speed reducer input gear's parameter.
Description
Technical field
The utility model is related to a kind of hollow type rv reductor, and has the robot of this hollow type rv reductor.
Background technology
Rv reductor has high precision, small volume, the high feature of bearing torque, is widely used in industrial robot field.Pass
The both sides of system rv reductor are all open architecture, and during use, both sides are required for being sealed, gear centered on one end of input shaft,
Engage with the planetary gear of rv reductor, constitute first order planetary gear speed reducing mechanism；The other end of input shaft is connected with servomotor
Connect, Cycloidal Wheel, needle roller and pin wheel housing constitute second level cycloid reduction mechanism, servomotor and rv reductor together form industry
The joint part of robot；The input shaft band central gear end of rv reductor, teeth portion radial beat eccentricity is less than 0.03mm；This will
Ask and accomplish high-precision close fit between the output shaft of servomotor and the input shaft of rv reductor, considerably increase servomotor output
The difficulty of processing of axle and rv reductor input shaft and processing cost；Robot body manufacture is proposed with very high precision will
Ask, increased the production cost of robot；The operation adding lubricant grease into rv reductor cavity is extremely loaded down with trivial details, easily by gold
Belong to dust or powder is cut and brought reductor cavity into, cause internal grease to pollute, thus reducing reductor service life, and grease
The sealing of addition and grease is also to have compared with high-tech difficulty.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.
For this reason, the purpose of this utility model is to provide a kind of hollow type rv reductor.
For achieving the above object, embodiment of the present utility model provides a kind of hollow type rv reductor, slows down including rv
Machine body, input flange, output flange and servomotor, the center of described rv reductor body is cable tube, described input method
What orchid sealed is set in described cable tube input, and the output shaft of described servomotor is biased in the side of described input flange
Portion, described rv reductor is originally provided with three-level reducing gear in vivo, and the first order is in-line gears reducing gear, and the second level is planet
Gear reduction, the third level is cycloidal planetary gear speed reducer structure, and the output shaft of described servomotor drives described in-line gears to subtract
The coaxial gear wheel of fast mechanism, the coaxial pinion of described in-line gears reducing gear is as described planetary gear reducing mechanism
Sun wheel drive planetary gear rotates on internal gear, and the output shaft of described planetary gear reducing mechanism subtracts as described cycloidal-pin wheel
The input shaft of fast mechanism drives described cycloidal planetary gear speed reducer structure to rotate, the output shaft of described cycloidal planetary gear speed reducer structure with described
Output flange is tightly connected.
The hollow type rv reductor that the utility model above-described embodiment provides, the center of described rv reductor body is cable
Pipe, such servomotor just can be to decelerator body input power in the form of biasing, and all kinds of cable just can pass through line
Cable pipe is connected up, and optimizes wire cable layout, reduces the probability that cable is interfered and damaged, and servomotor is fixing simultaneously by input flange
Engage with the coaxial gear wheel of in-line gears reducing gear, and the coaxial pinion as output shaft then achieves reduction for the first time
Rotating speed, coaxial pinion, as sun wheel drive planetary gear circular-rotation on internal gear of planetary gear reducing mechanism, is realized
Reduce rotating speed second, planetary gear speed reducing mechanism output shaft slows down as the input shaft of cycloidal planetary gear speed reducer structure, cycloidal-pin wheel
The output shaft of mechanism is realized third time and is reduced rotating speed, servomotor, input flange, rv reductor body and output flange mutually it
Between be all tightly connected.
In addition, the hollow type rv reductor that the utility model above-described embodiment provides also has a following additional technical feature:
It is preferred that being arranged with gear bush on the output shaft of described servomotor in technique scheme, described gear bush with described
Coaxial gear wheel engagement, described gear bush is connected with described input flange by bearing and with backbone sealing ring sealing, described
Input flange is provided with first plus row's grease holes on the lateral surface of described servo motor output shaft.
In above-described embodiment, the output shaft of servomotor is arranged with gear bush and is fastened on output shaft, gear shaft
Set is engaged with coaxial gear wheel, realizes the dynamic retarding transmission of servomotor, and gear bush is wrapped in the output shaft of servomotor,
The root of the output shaft of servomotor and gear bush is connected with input flange by bearing and with backbone sealing ring sealing, ensures
Sealing, input flange is provided with first plus row's grease holes on the lateral surface of servo motor output shaft, facilitates lubricating grease
Filling and replacing.
It is preferred that second plus row's grease holes are offered on the end face of described output flange in technique scheme, described the
Two add row's grease holes is opened in and described first plus row grease holes opposite side middle and upper part.
In above-described embodiment, second adds row's grease holes is opened in the end face of output flange and adds row's grease holes with described first
Opposite side middle and upper part, conveniently adds new grease at second plus row's grease holes, or the old oil of discharge at first plus row's grease holes
Fat.
Additional aspect of the present utility model and advantage will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description
Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below
Become obvious and easy to understand, wherein: Fig. 1 is the hollow type rv speed reducer structure schematic diagram that the utility model provides.
Specific embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
Body embodiment is further described in detail to the utility model.It should be noted that in the case of not conflicting, this Shen
Feature in embodiment please and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the utility model, but, this practicality
New can also be different from mode described here implementing using other, therefore, protection domain of the present utility model is not subject to
The restriction of following public specific embodiment.
As shown in figure 1, for this reason, the purpose of this utility model is to provide a kind of hollow type rv reductor.
For achieving the above object, embodiment of the present utility model provides a kind of hollow type rv reductor, slows down including rv
Machine body 1, input flange 2, output flange 3 and servomotor 4, the center of described rv reductor body 1 is cable tube 11, described
What input flange 2 sealed is set in described cable tube 11 input, and the output shaft of described servomotor 4 is biased in described input method
Blue 2 middle side part, is provided with three-level reducing gear in described rv reductor body 1, the first order is in-line gears reducing gear
12, the second level is planetary gear reducing mechanism 14, and the third level is cycloidal planetary gear speed reducer structure, the output shaft of described servomotor 4
Drive the coaxial gear wheel 122 of described in-line gears reducing gear 12, the coaxial pinion of described in-line gears reducing gear 12
124 rotate on internal gear as the sun wheel drive planetary gear of described planetary gear reducing mechanism 14, described planetary gear reduction
The output shaft of fast mechanism 14 drives described cycloidal planetary gear speed reducer structure to rotate as the input shaft of described cycloidal planetary gear speed reducer structure,
The output shaft of described cycloidal planetary gear speed reducer structure is tightly connected with described output flange 3.
The hollow type rv reductor that the utility model above-described embodiment provides, the center of described rv reductor body 1 is line
Cable pipe 11, such servomotor 4 just can be to decelerator body input power in the form of biasing, and all kinds of cable just can be worn
Cross cable tube 11 to be connected up, optimize wire cable layout, reduce the probability that cable is interfered and damaged, servomotor 4 passes through input method
Blue 2 are fixed and are engaged with the coaxial gear wheel 122 of in-line gears reducing gear 12, and the coaxial pinion 124 as output shaft
Then achieve and reduce rotating speed for the first time, coaxial pinion 124 is as the sun wheel drive planetary gear of planetary gear reducing mechanism 14
, it is achieved that second is reduced rotating speed, planetary gear speed reducing mechanism output shaft is as cycloidal planetary gear speed reducer for circular-rotation on internal gear
The input shaft of structure, the output shaft of cycloidal planetary gear speed reducer structure is realized third time and is reduced rotating speed, servomotor 4, input flange 2, rv
Reductor body 1 and output flange 3 are all tightly connected each other.
In addition, the hollow type rv reductor that the utility model above-described embodiment provides also has a following additional technical feature:
It is preferred that gear bush 42 is arranged with the output shaft of described servomotor 4 in technique scheme, described gear bush 42
Engage with described coaxial gear wheel 122, described gear bush 42 is connected and uses reinforced seal with described input flange 2 by bearing
Circle sealing, described input flange 2 is provided with first plus row's grease holes 22 on the lateral surface of described servomotor 4 output shaft.
In above-described embodiment, the output shaft of servomotor 4 is arranged with gear bush 42 and is fastened on output shaft, gear
Axle sleeve 42 is engaged with coaxial gear wheel 122, realizes the dynamic retarding transmission of servomotor 4, and gear bush 42 is wrapped in servo electricity
The output shaft of machine 4, the root of the output shaft of servomotor 4 and gear bush 42 is connected with input flange 2 and is used bone by bearing
Frame sealing ring seals, and has ensured sealing, and input flange 2 is provided with first plus oil extraction on the lateral surface of servomotor 4 output shaft
Fat hole 22, facilitates filling and the replacing of lubricating grease.
It is preferred that second plus row's grease holes 32, institute are offered on the end face of described output flange 3 in technique scheme
State second plus row grease holes 32 be opened in and described first plus row grease holes 22 opposite side middle and upper part.
In above-described embodiment, second adds row's grease holes 32 is opened in the end face of output flange 3 and adds oil extraction with described first
Fat hole 22 opposite side middle and upper part, conveniently adds new grease at second plus row's grease holes 32, or from first plus arranges grease holes 22
Place discharges old grease.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (3)
1. a kind of hollow type rv reductor, including rv reductor body (1), input flange (2), output flange (3) and servo electricity
It is characterised in that the center of described rv reductor body (1) is cable tube (11), described input flange (2) seals machine (4)
It is set in described cable tube (11) input, the output shaft of described servomotor (4) is biased in the side of described input flange (2)
Middle part, is provided with three-level reducing gear in described rv reductor body (1), and the first order is in-line gears reducing gear (12), the
Two grades is planetary gear reducing mechanism (14), and the third level is cycloidal planetary gear speed reducer structure, and the output shaft of described servomotor (4) drives
Move described in-line gears reducing gear (12) coaxial gear wheel (122), described in-line gears reducing gear (12) coaxially little
Gear (124) rotates on internal gear as the sun wheel drive planetary gear of described planetary gear reducing mechanism (14), described row
The output shaft of star gear reduction (14) drives described cycloidal-pin wheel to subtract as the input shaft of described cycloidal planetary gear speed reducer structure
Fast mechanism rotates, and the output shaft of described cycloidal planetary gear speed reducer structure is tightly connected with described output flange (3).
2. hollow type rv reductor according to claim 1 is it is characterised in that on the output shaft of described servomotor (4)
It is arranged with gear bush (42), described gear bush (42) is engaged with described coaxial gear wheel (122), described gear bush (42)
It is connected with described input flange (2) by bearing and is sealed with backbone sealing ring, described input flange (2) is in described servomotor
(4) lateral surface of output shaft is provided with first plus row's grease holes (22).
3. hollow type rv reductor according to claim 2 is it is characterised in that open on the end face of described output flange (3)
It is provided with second plus row's grease holes (32), described second adds row's grease holes (32) is opened in and described first plus row's grease holes (22) phase
Anti- side middle and upper part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778107.3U CN205911894U (en) | 2016-07-23 | 2016-07-23 | Well casement RV speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778107.3U CN205911894U (en) | 2016-07-23 | 2016-07-23 | Well casement RV speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911894U true CN205911894U (en) | 2017-01-25 |
Family
ID=57805922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620778107.3U Active CN205911894U (en) | 2016-07-23 | 2016-07-23 | Well casement RV speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582163A (en) * | 2018-06-26 | 2018-09-28 | 埃夫特智能装备股份有限公司 | A kind of robot turning-stand structure for electric based on dust-proof moisture-proof sealing |
| CN111975760A (en) * | 2020-07-31 | 2020-11-24 | 西安航天精密机电研究所 | One-shaft rotating mechanism applicable to multi-shaft robot and having IP65 protection grade |
-
2016
- 2016-07-23 CN CN201620778107.3U patent/CN205911894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582163A (en) * | 2018-06-26 | 2018-09-28 | 埃夫特智能装备股份有限公司 | A kind of robot turning-stand structure for electric based on dust-proof moisture-proof sealing |
| CN111975760A (en) * | 2020-07-31 | 2020-11-24 | 西安航天精密机电研究所 | One-shaft rotating mechanism applicable to multi-shaft robot and having IP65 protection grade |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |