CN206694473U - A kind of brake apparatus of rotating shaft mechanism - Google Patents
A kind of brake apparatus of rotating shaft mechanism Download PDFInfo
- Publication number
- CN206694473U CN206694473U CN201720289321.7U CN201720289321U CN206694473U CN 206694473 U CN206694473 U CN 206694473U CN 201720289321 U CN201720289321 U CN 201720289321U CN 206694473 U CN206694473 U CN 206694473U
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- CN
- China
- Prior art keywords
- rotary shaft
- braking
- stator
- axle sleeve
- brake apparatus
- 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.)
- Expired - Fee Related
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Abstract
A kind of brake apparatus of rotating shaft mechanism, rotary shaft including casing and on casing, an axle sleeve is installed with casing, axle sleeve is sheathed on outside rotary shaft, the stator group being made up of multi-disc braking stator is installed in axle sleeve, multi-disc brakes stator and slides setting along rotary shaft axial direction, arbitrary neighborhood two panels braking stator is corresponded in rotary shaft and is mounted on a piece of braking moving plate being inserted between adjacent two panels braking stator, braking moving plate is slidedly arranged in rotary shaft vertically, brake pad is provided between the braking stator and axle sleeve of stator group one end, the stator group other end is provided with braking briquetting, brake apparatus also includes being used to drive braking briquetting to coordinate the braking drive component for compressing or unclamping stator group with brake pad.The brake apparatus have the advantages that braking ability it is good, it is compact-sized, occupy little space, make assembly difficulty and require that low, service life is long.
Description
Technical field
It the utility model is related to transmission art field, and in particular to a kind of braking of the rotating shaft mechanism of agricultural speed changer
Device.
Background technology
At present, the agricultural crawler tractor gearbox of in the market does not all have arrestment mechanism, does not possess braking function, is applying
When on to walking chassis, arrestment mechanism is typically set in addition at the link position of output rotation axis and running wheel, should
Kind of arrestment mechanism it is general it is exposed outside, easily influenceed by the foreign object such as dust or outside splash, and existing arrestment mechanism is big
It is that space-consuming is big, it is low with height, poor stop, reliability is required etc. to make assembly difficulty be present more.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, there is provided a kind of braking ability
The rotating shaft mechanism of agricultural speed changer that is good, compact-sized, occupying little space, make assembly difficulty and require low, service life length
Brake apparatus.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of brake apparatus of rotating shaft mechanism, including casing and the rotary shaft on casing, it is fixed on the casing
There is an axle sleeve, the axle sleeve is sheathed on outside rotary shaft, and the stator group being made up of multi-disc braking stator is provided with the axle sleeve,
Multi-disc brakes stator and slides setting along rotary shaft axial direction, and arbitrary neighborhood two panels braking stator is corresponded in the rotary shaft and is pacified
Equipped with a piece of braking moving plate being inserted between the adjacent two panels braking stator, the braking moving plate is slidedly arranged on rotation vertically
On axle, brake pad is provided between the braking stator and axle sleeve of described stator group one end, the stator group other end is provided with braking
Briquetting, the brake apparatus also include being used to drive braking briquetting to coordinate the braking for compressing or unclamping stator group to drive with brake pad
Dynamic component.
Above-mentioned brake apparatus, it is preferred that the braking drive component includes spragging gear, braking rack and driving braking
The reciprocating telescopic drive part of rack, the braking briquetting are axially slidedly arranged on axle sleeve along rotary shaft, the brake tooth wheel case
It can rotate in rotary shaft and relative to rotary shaft and be slid axially along rotary shaft, the spragging gear and braking briquetting spiral
Chisel teeth is connected, and the braking rack engages with spragging gear, and prevention spragging gear is additionally provided with the axle sleeve to remote
The stop member that the direction of stator group is slided.
Above-mentioned brake apparatus, it is preferred that the stop member include positioning bushing, interior snap ring and installed in rotary shaft with
Rolling bearing between axle sleeve, the positioning bushing is between spragging gear and rolling bearing, and spragging gear, positioning bushing
It is close to successively with rolling bearing, the interior snap ring is arranged in axle sleeve and is located at side of the rolling bearing away from spragging gear.
Above-mentioned brake apparatus, it is preferred that the telescopic drive part is telescopic cylinder or telescopic oil cylinder.
Above-mentioned brake apparatus, it is preferred that each braking stator be sheathed in rotary shaft and can be rotated relative to rotary shaft with
Slided along rotary shaft, the inwall of the axle sleeve is provided with internal spline, and each outer for braking stator is provided with to be turned with the internal spline of axle sleeve edge
The external splines of moving axis axial sliding fit.
Above-mentioned brake apparatus, it is preferred that each braking briquetting be sheathed in rotary shaft and can be rotated relative to rotary shaft with
Slided along rotary shaft, each outer for braking briquetting is provided with and external splines of the internal spline of axle sleeve along rotary shaft axial sliding fit.
Above-mentioned brake apparatus, it is preferred that the rotary shaft is provided with external splines, and each braking moving plate, which is provided with, is sheathed on rotation
On axle and with the internal spline of the external splines of rotary shaft along rotary shaft axial sliding fit.
Compared with prior art, the utility model has the advantage of：The brake apparatus of the utility model rotating shaft mechanism, use
Multi-disc is staggered to brake stator and brake moving plate cooperation and rotary shaft is braked, and can substantially increase brake force, improve and brake
Performance And Reliability, and brake stator, braking moving plate, the braking brake component such as briquetting and brake pad and be installed in axle sleeve
It is interior, it will not be influenceed by external dust or the foreign object of splashing, foreign object can be avoided to enter and influence braking, extended using the longevity
Life.The brake apparatus also have the advantages that it is compact-sized, occupy little space, make assembly difficulty and require low, easily controllable.
Brief description of the drawings
Fig. 1 is the sectional view that brake apparatus is arranged on rear axle.
Fig. 2 is the partial sectional view of brake apparatus.
Fig. 3 is the schematic diagram of braking drive component.
Marginal data：
100th, casing；200th, rotary shaft；3101st, axle sleeve；3102nd, stator is braked；3103rd, moving plate is braked；3104th, brake pad
Piece；3105th, briquetting is braked；3106th, spragging gear；3107th, rack is braked；3109th, bushing is positioned；3110th, rolling bearing；
3111st, interior snap ring.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the brake apparatus of the rotating shaft mechanism of the present embodiment, including casing 100 and installed in casing
Rotary shaft 200 on 100, an axle sleeve 3101 is installed with casing 100, the axle sleeve 3101 is sheathed on outside rotary shaft 200, axle sleeve
The stator group being made up of multi-disc braking stator 3102 is installed, multi-disc brakes stator 3102 along the axial direction side of rotary shaft 200 in 3101
Set to sliding, correspond in rotary shaft 200 arbitrary neighborhood two panels brake stator 3102 be mounted on it is a piece of be inserted in this adjacent two
Braking moving plate 3103 between piece braking stator 3102, braking moving plate 3103 are slidedly arranged in rotary shaft 200 vertically, stator group one
It is provided between the braking stator 3102 and axle sleeve 3101 at end and carries out axial limiting to stator group and repair to compensate brake pad used
Piece 3104, the stator group other end are provided with braking briquetting 3105, and brake apparatus also includes being used to drive braking briquetting 3105 and braking
Pad 3104 coordinates the braking drive component for compressing or unclamping stator group.
In the present embodiment, braking drive component includes spragging gear 3106, braking rack 3107 and driving braking rack
3107 reciprocating telescopic drive parts（Not shown in figure）, brake briquetting 3105 and be axially slidedly arranged on axle sleeve along rotary shaft 200
On 3101, spragging gear 3106 be sheathed in rotary shaft 200 and can be rotated relative to rotary shaft 200 and along rotary shaft 200 axially
Slide, spragging gear 3106 is connected with braking briquetting 3105 helical chisel teeth, braking rack 3107 and spragging gear 3106
Engage, the stop member for preventing spragging gear 3106 from being slided to the direction away from stator group is additionally provided with axle sleeve 3101.
Above-mentioned multi-disc braking stator 3102, which is slidably installed in axle sleeve 3101, is specifically, each to brake stator 3102 be relative to turning
The form that moving axis 200 is rotated and slided along rotary shaft 200 is sheathed in rotary shaft 200, and braking stator 3102 outer is provided with outer flower
Key, the internal spline that the inwall of axle sleeve 3101 is provided with, each internal spline for braking the external splines of stator 3102 and axle sleeve 3101 is along rotary shaft
200 axial sliding fits, this kind of structure and mode are beneficial to the stability for ensureing that braking stator 3102 slides.Brake the edge of briquetting 3105
Rotary shaft 200 is axially slidedly arranged in axle sleeve 3101, braking briquetting 3105 be sheathed in rotary shaft 200 and can relative to turn
Moving axis 200 is rotated and slided along rotary shaft 200, is provided with external splines in the outer of braking briquetting 3105, is braked the outer of briquetting 3105
The internal spline of spline and axle sleeve 3101 is compact-sized beneficial to improving along the axial sliding fit of rotary shaft 200, this kind of structure and mode
Property and reduce cost, and convenient process and assembling.Above-mentioned multi-disc braking moving plate 3103 is slidedly arranged in rotary shaft 200 vertically to be had
Body is that rotary shaft 200 is provided with external splines, and each braking moving plate 3103, which is provided with, to be sheathed on the external splines of rotary shaft 200 and with turning
Internal spline of the external splines of moving axis 200 along the axial sliding fit of rotary shaft 200, braking moving plate 3103 is with 200 turns of rotary shaft
Dynamic, this kind of structure and mode are beneficial to the stability for ensureing that braking moving plate 3103 slides.Above-mentioned stop member includes positioning bushing
3109th, interior snap ring 3111 and the rolling bearing 3110 between rotary shaft 200 and axle sleeve 3101, positioning bushing 3109 are located at
Between spragging gear 3106 and rolling bearing 3110, and spragging gear 3106, positioning bushing 3109 and rolling bearing 3110 are successively
It is close to, interior snap ring 3111 is arranged in axle sleeve 3101 and is located at side of the rolling bearing 3110 away from spragging gear 3106, makes rolling
Dynamic bearing 3110 can not axially move along rotary shaft 200 to the direction away from spragging gear 3106, and this kind of structure and mode are beneficial to
Improve structural compactness and reduce cost, and convenient processing and assembling.Above-mentioned spragging gear 3106 and the braking spiral shell of briquetting 3105
Chisel teeth is revolved to be connected particular by the helical chisel teeth on spragging gear 3106 with being located on braking briquetting 3105
Reverse acting spiral chisel teeth coordinated.Above-mentioned telescopic drive part can use telescopic cylinder of the prior art, telescopic oil cylinder
And motor and combination of hydraulic motor and rotational alignment switching mechanism etc..
During telescopic drive part driving braking 3107 linear reciprocating motion of rack, braking rack 3107 accordingly drives spragging gear
3106 positive and negative rotations, when spragging gear 3106 rotates forward, braking briquetting 3105 is not rotated, and spragging gear 3106 is pressed with braking
Helical chisel teeth dislocation between block 3105, the gap between spragging gear 3106 and braking briquetting 3105 increase, and because system
Moving gear 3106 leans against positioning bushing 3109, rolling bearing 3110 and interior snap ring 3111, interior snap ring 3111 and is stuck in axle sleeve 3101,
Spragging gear 3106 can not move along the inside direction of snap ring 3111 of the axle of rotary shaft 200, so promoting braking briquetting 3105 to stator
Group movement, so as to compress the braking stator 3102 in axle sleeve 3101 and brake the gap of moving plate 3103, make the multi-disc system of stator group
Dynamic stator 3102 is close to each other to compress braking moving plate 3103, is bonded to each other using braking between stator 3102 and braking moving plate 3103
When frictional force realize braking；When braking rack 3107 drives spragging gear 3106 to rotate backward, spragging gear 3106 and system
Chisel teeth dislocation between dynamic pressure block 3105 reduces, and gap reduces between spragging gear 3106 and braking briquetting 3105, braking pressure
Block 3105 no longer compresses braking stator 3102 and braking moving plate 3103 in axle sleeve 3101, does not produce braking action.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment.To those of ordinary skill in the art, the gained under the premise of the utility model technical concept is not departed from
To modifications and variations also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of brake apparatus of rotating shaft mechanism, including casing（100）With installed in casing（100）On rotary shaft（200）, its
It is characterised by：The casing（100）On be installed with an axle sleeve（3101）, the axle sleeve（3101）It is sheathed on rotary shaft（200）Outside
Portion, the axle sleeve（3101）Inside it is provided with and stator is braked by multi-disc（3102）The stator group of composition, multi-disc braking stator（3102）
Along rotary shaft（200）Axial direction, which slides, to be set, the rotary shaft（200）Upper corresponding arbitrary neighborhood two panels braking stator（3102）
It is mounted on a piece of being inserted in the adjacent two panels braking stator（3102）Between braking moving plate（3103）, the braking moving plate
（3103）Rotary shaft is slidedly arranged on vertically（200）On, the braking stator of described stator group one end（3102）With axle sleeve（3101）It
Between be provided with brake pad（3104）, the stator group other end, which is provided with, brakes briquetting（3105）, the brake apparatus is also including using
Briquetting is braked in driving（3105）With brake pad（3104）Coordinate the braking drive component for compressing or unclamping stator group.
2. brake apparatus according to claim 1, it is characterised in that：The braking drive component includes spragging gear
（3106）, braking rack（3107）Rack is braked with driving（3107）Reciprocating telescopic drive part, the braking briquetting
（3105）Along rotary shaft（200）Axially it is slidedly arranged on axle sleeve（3101）On, the spragging gear（3106）It is sheathed on rotary shaft（200）
Above and can be relative to rotary shaft（200）Rotate and along rotary shaft（200）Slide axially, the spragging gear（3106）Pressed with braking
Block（3105）Helical chisel teeth is connected, the braking rack（3107）With spragging gear（3106）Engagement, the axle sleeve
（3101）On be additionally provided with prevention spragging gear（3106）The stop member slided to the direction away from stator group.
3. brake apparatus according to claim 2, it is characterised in that：The stop member includes positioning bushing（3109）、
Interior snap ring（3111）With installed in rotary shaft（200）With axle sleeve（3101）Between rolling bearing（3110）, the positioning bushing
（3109）Positioned at spragging gear（3106）And rolling bearing（3110）Between, and spragging gear（3106）, positioning bushing（3109）
And rolling bearing（3110）It is close to successively, the interior snap ring（3111）Installed in axle sleeve（3101）It is interior and be located at rolling bearing
（3110）Away from spragging gear（3106）Side.
4. brake apparatus according to claim 2, it is characterised in that：The telescopic drive part is telescopic cylinder or flexible oil
Cylinder.
5. brake apparatus according to any one of claim 1 to 4, it is characterised in that：Each braking stator（3102）It is arranged
In rotary shaft（200）Above and can be relative to rotary shaft（200）Rotate and along rotary shaft（200）Slide, the axle sleeve（3101）'s
Inwall is provided with internal spline, respectively brakes stator（3102）Outer be provided with and axle sleeve（3101）Internal spline along rotary shaft（200）Axle
To the external splines being slidably matched.
6. brake apparatus according to claim 5, it is characterised in that：Each braking briquetting（3105）It is sheathed on rotary shaft
（200）Above and can be relative to rotary shaft（200）Rotate and along rotary shaft（200）Slide, respectively brake briquetting（3105）Outer set
Have and axle sleeve（3101）Internal spline along rotary shaft（200）The external splines of axial sliding fit.
7. brake apparatus according to any one of claim 1 to 4, it is characterised in that：The rotary shaft（200）It is provided with
External splines, respectively brake moving plate（3103）Provided with being sheathed on rotary shaft（200）Upper and and rotary shaft（200）External splines along rotary shaft
（200）The internal spline of axial sliding fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289321.7U CN206694473U (en) | 2017-03-23 | 2017-03-23 | A kind of brake apparatus of rotating shaft mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289321.7U CN206694473U (en) | 2017-03-23 | 2017-03-23 | A kind of brake apparatus of rotating shaft mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694473U true CN206694473U (en) | 2017-12-01 |
Family
ID=60443966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720289321.7U Expired - Fee Related CN206694473U (en) | 2017-03-23 | 2017-03-23 | A kind of brake apparatus of rotating shaft mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694473U (en) |
-
2017
- 2017-03-23 CN CN201720289321.7U patent/CN206694473U/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: 20171201 Termination date: 20180323 |