CN206668923U - A kind of gear-box input shaft - Google Patents
A kind of gear-box input shaft Download PDFInfo
- Publication number
- CN206668923U CN206668923U CN201720373728.8U CN201720373728U CN206668923U CN 206668923 U CN206668923 U CN 206668923U CN 201720373728 U CN201720373728 U CN 201720373728U CN 206668923 U CN206668923 U CN 206668923U
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- CN
- China
- Prior art keywords
- connecting portion
- gear
- bearing support
- input shaft
- support portion
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- 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.)
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Abstract
The utility model discloses a kind of gear-box input shaft, belong to input shaft field.A kind of gear-box input shaft of the present utility model, including axis body, axis body includes first connecting portion, the second connecting portion positioned at the gear supporting portion at middle part and positioned at both ends, it is bearing support portion between described first connecting portion and gear supporting portion and between second connecting portion and gear supporting portion, the shaft shoulder is provided between first connecting portion and bearing support portion, connected between second connecting portion and bearing support portion by tapering transition section, and bail wire is connected with the conical surface of tapering transition section;The fried dough twist layer that hard alloy particle is formed is coated with the outer surface of bearing support portion, molybdenum stratum granulosum is provided with fried dough twist layer.The utility model abrasion resistant effect is good, service life length so that gear installation is close, also make it that bearing installation is close, and makes key caused shearing force reduces half in the process of running, so as to add its service life, and easily dismounting.
Description
Technical field
A kind of input shaft is the utility model is related to, more specifically to a kind of gear-box input shaft.
Background technology
Application of the gear-box in motor is very extensive, and is an important mechanical part, and its major function has:1st, add
Speed is slowed down, and is exactly the change gear box often said.2. change transmission direction, such as we can be vertical by power with two sector gears
It is delivered to another rotary shaft.3. change rotating torque.Under the conditions of Same Efficieney, faster gear that speed turns, suffered by axle
Torque is smaller, otherwise bigger.4th, clutch function:We can be reached engine by separating two script meshed gears
With loading the purpose separated.Such as brake clutch etc..5th, power is distributed.Such as we can use an engine, pass through tooth
The drive of roller box main shaft is multiple from axle, so as to realize the function of the multiple loads of driven by engine.
Existing gear-box generally comprises the gear supporting portion positioned at middle part and the first company positioned at both ends with input shaft
Socket part, second connecting portion, it is axle between first connecting portion and gear supporting portion and between second connecting portion and gear supporting portion
Supporting part is held, first connecting portion, second connecting portion generally only have a key, and caused power concentrates on key both sides, forms shearing
Power, key is easily damaged, the coefficient of friction of bearing support portion is smaller, not compact enough with the tight fit of bearing inner race, is easily caused skidding,
The installation of other gear supporting portion gear need to be improved further.
The content of the invention
1. utility model technical problems to be solved
The purpose of this utility model is to overcome the shortcomings of above-mentioned, there is provided a kind of gear-box input shaft, using this practicality
New technical scheme, simple in construction, ingenious in design, abrasion resistant effect is good, service life length so that gear installation is close, also makes
Bearing installation is close, and make key caused shearing force reduce half in the process of running, the longevity is used so as to add it
Life, and easily dismounting.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the utility model is:
A kind of gear-box input shaft of the present utility model, including axis body, described axis body include the gear positioned at middle part
Supporting part and first connecting portion, second connecting portion positioned at both ends, between described first connecting portion and gear supporting portion with
And between second connecting portion and gear supporting portion be bearing support portion, set between described first connecting portion and bearing support portion
There is the shaft shoulder, connected between described second connecting portion and bearing support portion by tapering transition section, and in the cone of tapering transition section
Bail wire is connected with face;The fried dough twist layer formed on the outer surface of described bearing support portion coated with hard alloy particle, institute
Molybdenum stratum granulosum is provided with the fried dough twist layer stated.
Further, two keyways are equipped with described first connecting portion and second connecting portion, two keyways are in footpath
Upward angle is 180 °.
Further, the periphery of described first connecting portion, second connecting portion, gear supporting portion, the shaft shoulder and changeover portion
Graphene wearing layer is coated with face and outside the molybdenum stratum granulosum of bearing support portion.
3. beneficial effect
Using technical scheme provided by the utility model, compared with existing known technology, have the advantages that:
(1) a kind of gear-box input shaft of the present utility model, passes through cone between its second connecting portion and bearing support portion
Shape changeover portion is connected, and is connected with bail wire on the conical surface of tapering transition section, and gear supporting portion will be arranged on by bail wire
On gear end face clamping so that gear installation it is more firm, while also allow for second connecting portion upper bearing (metal) installation position;
(2) a kind of gear-box input shaft of the present utility model, closed coated with hard on the outer surface of its bearing support portion
The fried dough twist layer that gold grain is formed, molybdenum stratum granulosum is provided with described fried dough twist layer, molybdenum stratum granulosum can add friction effect, and
Carbon fibre cloth layer is arranged on fried dough twist layer so that is firmly combined between carbon fibre cloth layer and fried dough twist layer, carbon fibre cloth layer will not take off
Fall;
(3) a kind of gear-box input shaft of the present utility model, two are equipped with its first connecting portion and second connecting portion
Individual keyway, the angle of two keyways diametrically is 180 °, and making key, caused shearing force reduces half in the process of running, from
And its service life is added, and easily dismounting;
(4) a kind of gear-box input shaft of the present utility model, its first connecting portion, second connecting portion, gear supporting portion,
Graphene wearing layer, enhancing input are coated with the outer peripheral face of the shaft shoulder and changeover portion and outside the molybdenum stratum granulosum of bearing support portion
The wearability of axle, increases the service life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of gear-box input shaft of the present utility model.
Label declaration in schematic diagram:1st, gear supporting portion;2nd, first connecting portion;3rd, second connecting portion;4th, bearings
Portion;5th, the shaft shoulder;6th, bail wire;7th, keyway.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to Fig. 1, a kind of gear-box input shaft of the present embodiment, including axis body, axis body include the gear positioned at middle part
Supporting part 1 and first connecting portion 2, second connecting portion 3 positioned at both ends, between first connecting portion 2 and gear supporting portion 1 and
It is bearing support portion 4 between second connecting portion 3 and gear supporting portion 1, is provided between first connecting portion 2 and bearing support portion 4
The shaft shoulder 5, connected by tapering transition section between second connecting portion 3 and bearing support portion 4, and blocked on the conical surface of tapering transition section
Bail wire 6 is connected to, by bail wire 6 by the end face clamping of the gear on gear supporting portion 1 so that gear is installed more
It is firm, while also allow for the installation positioning of the upper bearing (metal) of second connecting portion 2;Closed on the outer surface of bearing support portion 4 coated with hard
The fried dough twist layer that gold grain is formed, molybdenum stratum granulosum is provided with fried dough twist layer, molybdenum stratum granulosum can add friction effect, and carbon is fine
Dimension layer of cloth is arranged on fried dough twist layer so that is firmly combined between carbon fibre cloth layer and fried dough twist layer, carbon fibre cloth layer will not fall off;For
Making key, caused shearing force reduces half in the process of running, so as to add its service life, and easily dismounting, first
Two keyways 7 are equipped with connecting portion 2 and second connecting portion 3, the angle of two keyways 7 diametrically is 180 °;In order to strengthen
The wearability of input shaft, increases the service life, first connecting portion 2, second connecting portion 3, gear supporting portion 1, the shaft shoulder 5 and changeover portion
Outer peripheral face on and bearing support portion 4 molybdenum stratum granulosum outside be coated with graphene wearing layer.
A kind of gear-box input shaft of the present utility model, simple in construction, ingenious in design, abrasion resistant effect is good, service life
It is long so that gear installation is close, also make it that bearing installation is close, and makes key caused shearing force reduces in the process of running
Half, so as to add its service life, and easily dismounting.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (3)
1. a kind of gear-box input shaft, including axis body, described axis body includes the gear supporting portion (1) and position positioned at middle part
First connecting portion (2), second connecting portion (3) in both ends, between described first connecting portion (2) and gear supporting portion (1) with
And it is bearing support portion (4), described first connecting portion (2) and bearing branch between second connecting portion (3) and gear supporting portion (1)
The shaft shoulder (5) is provided between support part (4), it is characterised in that:Lead between described second connecting portion (3) and bearing support portion (4)
The connection of tapering transition section is crossed, and bail wire (6) is connected with the conical surface of tapering transition section;Described bearing support portion (4)
The fried dough twist layer that hard alloy particle is formed is coated with outer surface, molybdenum stratum granulosum is provided with described fried dough twist layer.
A kind of 2. gear-box input shaft according to claim 1, it is characterised in that:Described first connecting portion (2) and
Two keyways (7) are equipped with second connecting portion (3), the angle of two keyways (7) diametrically is 180 °.
A kind of 3. gear-box input shaft according to claim 2, it is characterised in that:Described first connecting portion (2),
On two connecting portions (3), gear supporting portion (1), the shaft shoulder (5) and the outer peripheral face of changeover portion and bearing support portion (4) molybdenum particle
Layer is outer to be coated with graphene wearing layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720373728.8U CN206668923U (en) | 2017-04-11 | 2017-04-11 | A kind of gear-box input shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720373728.8U CN206668923U (en) | 2017-04-11 | 2017-04-11 | A kind of gear-box input shaft |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206668923U true CN206668923U (en) | 2017-11-24 |
Family
ID=60380755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720373728.8U Active CN206668923U (en) | 2017-04-11 | 2017-04-11 | A kind of gear-box input shaft |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206668923U (en) |
-
2017
- 2017-04-11 CN CN201720373728.8U patent/CN206668923U/en active Active
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