CN207454609U - retarder shaft end locking device - Google Patents
retarder shaft end locking device Download PDFInfo
- Publication number
- CN207454609U CN207454609U CN201721354951.4U CN201721354951U CN207454609U CN 207454609 U CN207454609 U CN 207454609U CN 201721354951 U CN201721354951 U CN 201721354951U CN 207454609 U CN207454609 U CN 207454609U
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- CN
- China
- Prior art keywords
- flange
- shaft end
- locking
- retarder
- clamping screw
- 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.)
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Abstract
The utility model discloses a kind of retarder shaft end locking devices, wherein, flange is pressed in the end face of retarder central shaft and fixes flange on center shaft, flange is fixed on by flange locking nut on retarder flange, the screw thread of flange locking nut and retarder center axis connection, locking nut pressing plate is fixed on by the shaft end clamping screw on flange locking nut, the screw thread of shaft end clamping screw and retarder center axis connection, shaft end clamping screw locking plate are fixed on by shaft end clamping screw on locking nut pressing plate.The locking of " dual fail-safe " shaft end is realized using flange locking nut and the locking of shaft end shaft end, flexible locking and dual fail-safe locking make it that can bear the axial force of bigger, you can are applied in the more vehicle of bad environments.
Description
Technical field
The utility model is related to retarder technical field more particularly to a kind of retarder shaft end locking devices.
Background technology
Application of the electric current retarder in vehicle is more and more extensive, and the retarder among vehicular transmission shaft is from change
Fast case and rear axle limitation, installation matching range is very wide, and such retarder includes shafting, shafting locking device of the prior art
As shown in Figure 1, commonly referred to as " simple insurance " formula shaft end locking mode, 101 be stator disc in figure, and 102 be bearing block, and 103 be oil
Seal ring, axis centered on 104,105 be bearing, and 106 be rotor, and 107 be flange, and 108 be rotor clamping screw, and 109 be flange pressure
Plate, 110 be shaft end clamping screw, and 111 be transmission shaft self-locking nut, and 112 be shaft end clamping screw locking plate, i.e. shaft end locking screw
The tight flange of bolt-lock, flange supported flange, flange screw oil seal ring, oil seal ring compresses bearing inner race, to ensure shafting
Normal operation.Since shaft end clamping screw 110 be subject to impact shearing force and Vehicular vibration influenced to be susceptible to loosening, comes off
Even directly it is sheared disconnected, the loosening of shaft end clamping screw, coming off or being sheared disconnected can cause flange axial movement damage spline
And transmission shaft, while the damage of retarder shafting can be directly resulted in, cause the even more serious accident of vehicle stoppage in transit.
In view of this, a kind of new retarder shaft end locking device how is designed, it is of the prior art above-mentioned scarce to eliminate
It falls into and insufficient, is the problem that related technical personnel are urgently to be resolved hurrily in the industry.
The content of the invention
In order to realize above-mentioned purpose of utility model, the utility model discloses a kind of retarder shaft end locking device, including
Flange, flange locking nut, locking nut pressing plate, shaft end clamping screw, shaft end clamping screw locking plate, the flange pressure
Plate is pressed in the end face of retarder central shaft and fixes flange on center shaft, and the flange is consolidated by flange locking nut
It is scheduled on retarder flange, screw thread and the retarder center axis connection of the flange locking nut, the locking nut pressing plate lead to
It crosses the shaft end clamping screw to be fixed on the flange locking nut, screw thread and the retarder center of the shaft end clamping screw
Axis connection, shaft end clamping screw locking plate are fixed on by the shaft end clamping screw on the locking nut pressing plate.
In another preference, the flange is butterfly pressing plate.
In another preference, the retarder flange is fixed on center shaft by spline and the flange.
Compared with prior art, technical solution provided by the utility model has the following advantages：
1. in the utility model, axial force is can absorb using flange butterfly pressing plate, flexible locking is realized, prevents flange from locking
Nut loosening fails；
2. the locking of " dual fail-safe " shaft end, flexible locking and dual fail-safe are realized using flange locking nut and the locking of shaft end shaft end
Locking makes it that can bear the axial force of bigger, you can is applied in the more vehicle of bad environments；
3. reducing the damage of flange spline and central shaft spline, bearing damage and center axle fracture are prevented.
Description of the drawings
The advantages of on the utility model, can be described in detail with spirit by following utility model and institute's attached drawing is obtained into one
The understanding of step.
Fig. 1 is retarder shaft end locking device schematic diagram in the prior art；
Fig. 2 is the structure diagram of retarder shaft end locking device provided by the utility model；
In figure：201- rotor clamping screws, 202- bearing blocks, 203- central shafts, 204- bearings, 205- rotors, 206- methods
Orchid, 207- flange butterfly pressing plates, 208- big nut pressing plates, 209- shaft ends clamping screw, 210- shaft ends clamping screw locking plate,
211- flange locking nuts, 212- transmission axle lock nuts
Specific embodiment
Specific embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.However, the utility model should be understood
Into being not limited to this embodiment described below, and the technical concept of the utility model can be with other known technologies
Or function other technologies identical with those known technologies combine implementation.
In the explanation of specific examples below, the structure and working method of the utility model, will borrow in order to clearly demonstrate
Many Directional words is helped to be described, but should by "front", "rear", "left", "right", " outer ", " interior ", " outside ", " to
It is interior ", " axial direction ", the Word Understandings such as " radial direction " be not construed as word of limitation for convenience of term.
In the explanation of specific examples below, it is to be understood that term " length ", " width ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood to
Limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the utility model, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific regulation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected with by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
As shown in Fig. 2, the retarder shaft end locking device of the utility model, including：
Rotor clamping screw 201 is used to rotor 205 being locked to flange 206, locks, bears the shearing force of rotor 205.
Bearing block 202 is used to install bearing 204, storing lubricating grease.
Central shaft 203 for shafting rotation axis, transfers torque, and keep on the go connection and installation shafting components.
Bearing 204 reduces noise for shafting to be maintained to operate.
Rotor 205 radiates for generating braking moment.
Flange 206 is used to transfer rotor torque to central shaft 203.
Flange butterfly pressing plate 207 is used to limit the axial movement of flange 206, and ta-king up axial forces prevent flange locking nut
211 loosen failure.
Big nut pressing plate 208 is used to prevent flange locking nut 211 from loosening.
Shaft end clamping screw 209 is used to fasten big nut pressing plate 208.
Shaft end clamping screw locking plate 210 is used to prevent shaft end clamping screw 209 from loosening.
Flange locking nut 211 locks flange 206 by flange butterfly pressing plate 207.
It is driven axle lock nut 212 and is used for connecting flange 206 and vehicular transmission shaft.
Retarder shaft end locking device provided by the utility model includes flange, flange locking nut, locking nut
Pressing plate, shaft end clamping screw, shaft end clamping screw locking plate, central shaft, bearing, bearing block, rotor locking screw with retarder
Bolt, rotor, flange, transmission axle lock nut are engaged, and realize the technical purpose of retarder shafting locking.
The working mechanism of retarder shaft end locking device provided by the utility model is " dual fail-safe " formula, i.e., dual shaft end
Locking mode.As shown in Figure 2, on the one hand, 211 supported flange butterfly pressing plate 207 of flange locking nut, flange butterfly pressing plate 207
Can effective ta-king up axial forces, 207 supported flange 206 of flange butterfly pressing plate, flange 206 directly compresses retarder bearing inner race, protects
Bearing normal operation is demonstrate,proved, on the other hand, flange locking nut 211 loosens in order to prevent, and shaft end clamping screw 209 compresses greatly
Nut pressing plate 208,208 supported flange locking nut 211 of big nut pressing plate so as to effectively prevent flange locking nut 211 from loosening,
So as to form " dual fail-safe " locking mode, the reliability of shafting is improved.
In the technical solution of the utility model, the inner ring of the bearing 204 of retarder crosses the circle mounted in retarder central shaft 203
On cylinder, on bearing block 202, rotor 205 and flange 206 are connected by rotor clamping screw 201 for the outer ring of bearing 204,
Flange 206 is fixed on by spline and flange butterfly pressing plate 207 on central shaft 203, and flange butterfly pressing plate 207 is by flange locking screw
Mother 211 is fixed on flange 206, and flange locking nut 211 is threaded on central shaft 203, and big nut pressing plate 208 is by axis
End clamping screw 209 is fixed on flange locking nut 211, and shaft end clamping screw 209 is threaded on 203 axis of center,
Shaft end clamping screw locking plate 210 is fastened on by shaft end clamping screw 209 on big nut pressing plate 208.
Unless otherwise instructed, it is herein presented be similar to " first ", the qualifier of " second " do not mean that it is suitable to the time
The restriction of sequence, quantity or importance, and be used for the purpose of a technical characteristic in the technical program and another technology
Feature is mutually distinguished.Similarly, the herein presented qualifier similar to " one " does not mean that the restriction to quantity, but describes
The technical characteristic not occurred above.Similarly, occur herein before number be similar to " about ", " approx "
Modifier generally comprises this number, and its specific meaning should combine context meaning and understand.Similarly, only have specific
Otherwise the noun of quantity quantifier modification should be regarded as i.e. comprising singulative again comprising plural form, herein in the technology
It can include a technical characteristic of odd number in scheme, a plurality of technical characteristics can also be included.
The preferred embodiment of simply the utility model described in this specification, above example are only to illustrate this
The technical solution of utility model rather than the limitation to the utility model.All those skilled in the art are led to according to the design of the utility model
The available technical solution of logical analysis, reasoning, or a limited experiment is crossed, it all should be within the scope of the utility model.
Claims (3)
1. a kind of retarder shaft end locking device, including flange, flange locking nut, locking nut pressing plate, shaft end locking
Bolt, shaft end clamping screw locking plate, which is characterized in that the flange is pressed in the end face of retarder central shaft and by flange
It fixes on center shaft, the flange is fixed on by flange locking nut on retarder flange, the flange locking screw
Female screw thread and retarder center axis connection, the locking nut pressing plate are fixed on the flange by the shaft end clamping screw
On locking nut, screw thread and the retarder center axis connection of the shaft end clamping screw, shaft end clamping screw locking plate pass through institute
Shaft end clamping screw is stated to be fixed on the locking nut pressing plate.
2. retarder shaft end locking device as described in claim 1, which is characterized in that the flange is butterfly pressing plate.
3. retarder shaft end locking device as described in claim 1, which is characterized in that the retarder flange by spline and
The flange is fixed on center shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354951.4U CN207454609U (en) | 2017-10-20 | 2017-10-20 | retarder shaft end locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354951.4U CN207454609U (en) | 2017-10-20 | 2017-10-20 | retarder shaft end locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454609U true CN207454609U (en) | 2018-06-05 |
Family
ID=62280925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721354951.4U Active CN207454609U (en) | 2017-10-20 | 2017-10-20 | retarder shaft end locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454609U (en) |
-
2017
- 2017-10-20 CN CN201721354951.4U patent/CN207454609U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |