CN208503424U - A kind of speed reducer with fastening mechanism - Google Patents
A kind of speed reducer with fastening mechanism Download PDFInfo
- Publication number
- CN208503424U CN208503424U CN201820993066.9U CN201820993066U CN208503424U CN 208503424 U CN208503424 U CN 208503424U CN 201820993066 U CN201820993066 U CN 201820993066U CN 208503424 U CN208503424 U CN 208503424U
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- speed reducer
- output shaft
- fixed
- input shaft
- fastening mechanism
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Abstract
The utility model discloses a kind of speed reducers with fastening mechanism, it includes speed reducer ontology, the output shaft of the speed reducer ontology is hollow structure, the end of the output shaft axially offers profile groove along output shaft, the end of the output shaft is combined with fastening mechanism, the compacting structure include be set in output shaft compel fixed and to squeeze the forcing piece for compeling fixed inside deformation, forcing piece, which is set in, compels on fixed periphery.When the utility model is used, the rotation axis of working machine is inserted in output shaft, compel fixed, is sheathed on output shaft, compel fixed inside deformation by forcing piece extruding, so that compeling the inside deformation of fixed extruding input shaft and to export axis clamping rotation axis, to realize the tight fit between output shaft and rotation axis.
Description
Technical field
The utility model relates to speed reducer fields, particularly relate to a kind of speed reducer with fastening mechanism.
Background technique
Speed reducer be it is a kind of by being enclosed in the intracorporal gear drive of rigid crust, worm-drive, pinion-endless screw transmission are formed
Individual components, the speed reduction gearing being commonly used between prime mover and working machine plays matching between prime mover and working machine
The effect of revolving speed and transmitting torque, using extremely wide in modern mechanical.
By key connection, the fit clearance of the two is big, general to match for the output shaft of general speed reducer and the rotation axis of working machine
Closing gap has 0.05-0.1mm, this fit clearance causes to cooperate between the output shaft of speed reducer and the rotation axis of working machine not tight
It is close, so that the job insecurity of working machine, so that working machine can not accomplish that high-precision exports；And it is frequent in speed reducer
When positive and negative rotation, due to the presence of this fit clearance, the rotation axis of working machine is easy to break the keyway position of output shaft, influences
Precision and service life.
Utility model content
The purpose of this utility model is to provide a kind of speed reducers with fastening mechanism, can make the output of speed reducer
The cooperation of the rotation axis of axis and working machine is close.
In order to achieve the above objectives, the solution of the utility model is:
A kind of speed reducer with fastening mechanism comprising speed reducer ontology, during the output shaft of the speed reducer ontology is
The end of hollow structure, the output shaft axially offers profile groove along output shaft, and the end of the output shaft is combined with fastening mechanism,
The compacting structure include be set in output shaft compel it is fixed and to squeeze the forcing piece for compeling fixed inside deformation, forcing piece set
It is located at and compels on fixed periphery.
It is described compel it is fixed for c-type structure jaggy, it is described to compel fixed both ends and be respectively formed with from compeling fixed end
To the first male cone (strobilus masculinus) and the second male cone (strobilus masculinus) for compeling fixed middle part flaring；The forcing piece includes being connected by least two bolts
The first packing ring and the second packing ring connect, the first packing ring and the second packing ring, which are nested with, described compels fixed, the first packing ring
Inner wall and the second packing ring inner wall respectively with compel fixed the first male cone (strobilus masculinus) and the second male cone (strobilus masculinus) tight fit.
The intensity of the bolt is 12.9 grades.
The inner wall of first packing ring is equipped with and the first male cone (strobilus masculinus) inclined first inner conical surface in the same direction, first inner cone
Face contradicts first male cone (strobilus masculinus)；The inner wall of second packing ring is equipped with and the second male cone (strobilus masculinus) inclined second inner cone in the same direction
Face, second inner conical surface contradict second male cone (strobilus masculinus).
Keyway position is offered on the inner wall of the output shaft.
The speed reducer ontology include box body of speed reducer, input shaft, output shaft, input bevel gear, output bevel gear wheel and
Adjust ring；The top of the box body of speed reducer is equipped with an input shaft mounting hole, and the lower end of the input shaft is from input shaft mounting hole
It penetrates in the decelerating chassis body, the output shaft is rotatably installed on box body of speed reducer by connecting bearing；It is described defeated
Enter bevel gear to be fixed on the lower end of input shaft；The output bevel gear wheel case is arranged on the output shaft and nibbles with input bevel gear
It closes；The adjusting ring set is set the input shaft and is threadedly coupled with input shaft mounting hole；The input shaft is equipped with card edge, described
It inputs and is equipped with fixing bearing between shaft mounting hole and input shaft, the fixing bearing is sheathed on the input shaft；The fixation
The upper and lower ends of bearing, which are born against, adjusts ring and card edge.
Counterbore is offered on the adjusting ring.
One inner threaded surface is formed at the top of the input shaft inner wall of the hole installing；The outer wall for adjusting ring is formed with and inputs
The external screw thread face that the inner threaded surface of shaft mounting hole is threadedly coupled.
The lower part of the input shaft inner wall of the hole installing is equipped with activity against the limiting block edge of the lower end of fixing bearing.
The box body of speed reducer is equipped with oil filler point.
After adopting the above scheme, when the utility model is used, the rotation axis of working machine is inserted in output shaft, is compeled fixed
It is then sheathed on output shaft, fixed inside deformation is compeled by forcing piece extruding, so that compeling the inside shape of fixed extruding input shaft
Become and to export axis clamping rotation axis, to realize the tight fit between output shaft and rotation axis.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the input shaft of the utility model and the cooperation schematic diagram of fastening mechanism；
Fig. 3 is the input shaft of the utility model and the exploded view of fastening mechanism.
Specific embodiment
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
As shown in Figure 1 to Figure 3, the utility model discloses a kind of speed reducer with fastening mechanism comprising speed reducer
The output shaft 3 of ontology A, the speed reducer ontology A are hollow structure, offer on the inner wall of the output shaft 3 keyway position 31 with
Rotation axis for holding working machine.
The utility model it is critical that: the end of the output shaft 3 along output shaft 3 it is axial offer profile groove 32 with
Allow the inside deformation of output shaft 3, the end of the output shaft 3 is combined with fastening mechanism B, and the compacting structure B includes set
Be located at output shaft 3 compel fixed 7 and to squeeze the forcing piece 8 for compeling fixed 7 inside deformation, forcing piece 8, which is set in, compels outside fixed 7
Zhou Shang.When the utility model is used, the rotation axis of working machine is inserted in output shaft 3, compels fixed 7 and is sheathed on output shaft 3
On, fixed 7 inside deformation are compeled by the extruding of forcing piece 8, so that compeling the fixed 7 extruding inside deformation of input shaft 3 and making defeated
Shaft 3 clamps rotation axis, to realize the tight fit between output shaft 3 and rotation axis.
Specifically, cooperation Fig. 2 and Fig. 3 shown in, it is described compel fixed 7 for jagged 70 c-type structure so that compeling fixed 7
Has a deformability, fixed 7 both ends of compeling are respectively formed with from fixed 7 end is compeled to compeling the first of fixed 7 middle part flaring
Male cone (strobilus masculinus) 71 and the second male cone (strobilus masculinus) 72；The forcing piece 8 includes the first packing ring 81 being attached by least two bolt d
With the second packing ring 82, the first packing ring 81 and the second packing ring 82 be nested with it is described compel fixed 7, the inner wall of the first packing ring 81
With the inner wall of the second packing ring 82 respectively with 72 tight fit of the first male cone (strobilus masculinus) 71 and the second male cone (strobilus masculinus) of compeling fixed 7, pass through in this way
When adjusting the bolt d and the first packing ring 81 and the second packing ring 82 being moved towards, the first packing ring 81 and second is compeled
Tight ring 82 will squeeze the first male cone (strobilus masculinus) 71 and the second male cone (strobilus masculinus) 72 respectively and to compel fixed 7 inside deformation.Preferably, first
Packing ring 81 can be connected with the second packing ring 82 by 6 bolt d, and the intensity of the bolt d is then 12.9 grades.
To avoid the first packing ring 81 and the second packing ring 82 from squeezing the first male cone (strobilus masculinus) 71 and second for compeling fixed 7 respectively
Damage compels fixed 7 when male cone (strobilus masculinus) 72, and the inner wall of first packing ring 81 is equipped with and the first male cone (strobilus masculinus) 71 in the same direction inclined first
Inner conical surface 811, first inner conical surface 811 contradict first male cone (strobilus masculinus) 71 for squeezing the first male cone (strobilus masculinus) 71；Described
The inner wall of two packing rings 82 is equipped with to be supported with inclined second inner conical surface 821 in the same direction of the second male cone (strobilus masculinus) 72, second inner conical surface 821
Second male cone (strobilus masculinus) 72 is touched for squeezing the second male cone (strobilus masculinus) 72.
Since general The gear deceleration chance is there are a back clearance, the back clearance will affect gear reduction unit transmission accuracy and
Efficiency, the utility model provides a kind of speed reducer ontology A with back clearance regulatory function thus, cooperates shown in Fig. 1, described to subtract
Fast machine ontology A includes box body of speed reducer 1, input shaft 2, output shaft 3, input bevel gear 4, output bevel gear wheel 5 and adjusts ring 6；
The top of the box body of speed reducer 1 is equipped with an input shaft mounting hole 11, and the lower end of the input shaft 2 is worn from input shaft mounting hole 11
Enter in the box body of speed reducer 1, the output shaft 3 is rotatably installed on box body of speed reducer 1 by connecting bearing a；It is described
Input bevel gear 4 is fixed on the lower end of input shaft 2；The output bevel gear wheel 5 is sheathed on the output shaft 3 and bores with input
Gear 4 engages；The adjusting ring 6 is nested with the input shaft 2 and is threadedly coupled with input shaft mounting hole 11；On the input shaft 2
Fixing bearing b is equipped between 21, the input shaft mounting hole 11 and input shaft 2 equipped with card, the fixing bearing b is sheathed on institute
It states on input shaft 2；The upper and lower ends of the fixing bearing b, which are born against, adjusts ring 6 and card along 21.Pass through rotating adjustment ring in this way
The position of 6 adjustable fixing bearing b, and then adjust input shaft 2 and input the position of bevel gear 4, to adjust input cone tooth
The gap of wheel 4 and output bevel gear wheel 5 adjusts ring 6 and input shaft mounting hole 11 to achieve the effect that reduce or eliminate back clearance
It is attached by the way of threaded connection, so that the adjusting of the adjusting ring 6 of the utility model is electrodeless adjustment, it can more precisely
Adjusting input bevel gear 4 and output bevel gear wheel 5 gap.For that can be equipped on the adjusting ring 6 convenient for rotating adjustment ring 6
Counterbore 61 so as to user by the tool of holding counterbore 61 come rotating adjustment ring 6.
Cooperate shown in Fig. 1, an inner threaded surface can be formed at the top of input 11 inner wall of shaft mounting hole；The adjusting ring 6
Outer wall be then formed with the external screw thread face that is threadedly coupled of inner threaded surface of input shaft mounting hole 11, pass through inner threaded surface and outer spiral shell
The cooperation in line face is threadedly coupled so that adjusting ring 6 with input shaft mounting hole 11.The lower part of input 11 inner wall of shaft mounting hole can
Equipped with activity against the lower end of fixing bearing b limiting block along 111, input shaft 2 and input shaft are limited along 111 by limiting block
4 maximum of bevel gear moves down distance.
The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field
The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.
Claims (9)
1. a kind of speed reducer with fastening mechanism comprising speed reducer ontology, the output shaft of the speed reducer ontology are hollow
Structure, it is characterised in that: the end of the output shaft axially offers profile groove along output shaft, and the end of the output shaft is combined with
Fastening mechanism, the fastening mechanism include be set in output shaft compel it is fixed and to squeeze the packing for compeling fixed inside deformation
Part, forcing piece, which is set in, compels on fixed periphery.
2. a kind of speed reducer with fastening mechanism as described in claim 1, it is characterised in that: described to compel fixed to be with scarce
Mouthful c-type structure, it is described to compel fixed both ends and be respectively formed with from compeling fixed end to the first outer cone for compeling fixed middle part flaring
Face and the second male cone (strobilus masculinus)；
The forcing piece includes the first packing ring and the second packing ring being attached by least two bolts, the first packing ring
With the second packing ring be nested with it is described compel it is fixed, the inner wall of the inner wall of the first packing ring and the second packing ring respectively with compel it is fixed
First male cone (strobilus masculinus) and the second male cone (strobilus masculinus) tight fit.
3. a kind of speed reducer with fastening mechanism as claimed in claim 2, it is characterised in that: the intensity of the bolt is
12.9 grades.
4. a kind of speed reducer with fastening mechanism as claimed in claim 3, it is characterised in that: first packing ring it is interior
Wall, which is equipped with, contradicts first male cone (strobilus masculinus) with the first male cone (strobilus masculinus) inclined first inner conical surface in the same direction, first inner conical surface；
The inner wall of second packing ring is equipped with to be supported with the second male cone (strobilus masculinus) inclined second inner conical surface in the same direction, second inner conical surface
Touch second male cone (strobilus masculinus).
5. a kind of speed reducer with fastening mechanism as described in claim 1, it is characterised in that: on the inner wall of the output shaft
Offer keyway position.
6. a kind of speed reducer with fastening mechanism as described in claim 1, it is characterised in that: the speed reducer ontology includes
Box body of speed reducer, input shaft, output shaft, input bevel gear, output bevel gear wheel and adjusting ring；The top of the box body of speed reducer
Equipped with an input shaft mounting hole, the lower end of the input shaft penetrates in the decelerating chassis body from input shaft mounting hole, described defeated
Shaft is rotatably installed on box body of speed reducer by connecting bearing；The input bevel gear is fixed on the lower end of input shaft
On；The output bevel gear wheel case is arranged on the output shaft and engages with input bevel gear；The adjusting ring set sets the input
Axis is simultaneously threadedly coupled with input shaft mounting hole；The input shaft is equipped with card edge, between input shaft mounting hole and the input shaft
Equipped with fixing bearing, the fixing bearing is sheathed on the input shaft；The upper and lower ends of the fixing bearing bear against tune
Save ring and card edge.
7. a kind of speed reducer with fastening mechanism as claimed in claim 6, it is characterised in that: offered on the adjusting ring
Counterbore.
8. a kind of speed reducer with fastening mechanism as claimed in claim 6, it is characterised in that: in the input shaft mounting hole
One inner threaded surface is formed at the top of wall；The outer wall for adjusting ring is formed with to be threadedly coupled with the inner threaded surface of input shaft mounting hole
External screw thread face.
9. a kind of speed reducer with fastening mechanism as claimed in claim 6, it is characterised in that: in the input shaft mounting hole
The lower part of wall is equipped with activity against the limiting block edge of the lower end of fixing bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993066.9U CN208503424U (en) | 2018-06-26 | 2018-06-26 | A kind of speed reducer with fastening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993066.9U CN208503424U (en) | 2018-06-26 | 2018-06-26 | A kind of speed reducer with fastening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503424U true CN208503424U (en) | 2019-02-15 |
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ID=65281300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820993066.9U Active CN208503424U (en) | 2018-06-26 | 2018-06-26 | A kind of speed reducer with fastening mechanism |
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| Country | Link |
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| CN (1) | CN208503424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
-
2018
- 2018-06-26 CN CN201820993066.9U patent/CN208503424U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
| CN110131399B (en) * | 2019-06-13 | 2024-01-09 | 浙江三凯机电有限公司 | Combined precision planetary gear reducer |
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