CN207161568U - Automotive transmission assembly - Google Patents
Automotive transmission assembly Download PDFInfo
- Publication number
- CN207161568U CN207161568U CN201721213974.3U CN201721213974U CN207161568U CN 207161568 U CN207161568 U CN 207161568U CN 201721213974 U CN201721213974 U CN 201721213974U CN 207161568 U CN207161568 U CN 207161568U
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- CN
- China
- Prior art keywords
- brake
- bottom plate
- friction plate
- brake drum
- transmission assembly
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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 automotive transmission assembly, including brake and the extension box for supporting transmission output shaft；The brake includes bottom plate, output panel, brake drum, the friction plate of two pieces of arcs and the drive mechanism for driving friction plate；The bottom plate is fixedly connected with extension box, the brake drum is connected by output panel with transmission output shaft, the friction plate, which is positioned on bottom plate, to be arranged concentrically and is located at brake drum on the inside of brake drum, and the friction plate moves radially in the presence of drive mechanism and contacted with brake drum and produce brake force；The losing quantity of the friction plate of the utility model brake is smaller, easy to maintenance and braking smooth-going.
Description
Technical field
Automobile component field is the utility model is related to, more particularly to a kind of automotive transmission assembly.
Background technology
Automotive transmission assembly generally comprises speed changer and brake, and the output shaft of speed changer is connected with brake, tight
Braking can be achieved under anxious situation；Brake uses tray type structure, and the brake manufacturing cost of tray type structure is high, the consumption of friction plate
Damage amount is big, and brakes irregularity.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of automotive transmission assembly, its brake bush
Losing quantity is smaller, easy to maintenance and braking smooth-going.
Automotive transmission assembly of the present utility model, including brake and the extension box for supporting transmission output shaft；
The brake includes bottom plate, output panel, brake drum, the friction plate of two pieces of arcs and the drive mechanism for driving friction plate；
The bottom plate is fixedly connected with extension box, and the brake drum is connected by output panel with transmission output shaft, and the friction plate is determined
Position be arranged concentrically and be located on the inside of brake drum with brake drum on bottom plate, the friction plate in the presence of drive mechanism radially
Move and contacted with brake drum and produce brake force.
Further, the end face of the extension box is circumferentially uniformly provided with the connecting hole I, relative another for being connected with bottom plate
End face is circumferentially uniformly provided with the connecting hole II for being connected with mission case.
Further, the output panel is in flange plate structure, and output panel, which is provided with, to be used for and transmission output shaft drive connection
Central shaft hole.
Further, the drive mechanism includes the brake-shoe of two arcs corresponding with two friction plates respectively, the braking
Hoof, which is positioned on bottom plate, to be arranged concentrically and is located at friction plate on the inside of friction plate；One end of two brake-shoes is by return spring I
Hold and be supported on by fulcrum post on bottom plate, the other end is held by return spring II and is opened by cam top, the cam orientation
It is connected in bottom plate and with rocker arm assembly, cam rotates in the presence of rocker arm assembly and then drives brake-shoe to move radially.
Further, the rocker arm assembly is swung by a cable control, and the bottom plate is provided with the drag-line for being used for positioning drag-line
Support.
Further, the middle part of the brake-shoe is provided with moves radially the radial direction locating part of amplitude for limiting it.
The beneficial effects of the utility model：
Automotive transmission assembly of the present utility model, need to be made when transmission output shaft is in high speed rotation state
When dynamic, drive friction plate to move radially by drive mechanism to be contacted with brake drum, the normal pressure of friction plate and brake drum with
Speed official post produces frictional force between the two, prevents transmission output shaft from continuing to rotate and reach the purpose of braking；Friction plate
There is larger contact surface with brake drum, larger brake force can be produced, while the losing quantity of friction plate is smaller, and smooth-going is braked,
The utility model advantageously reduces manufacturing cost, improves the reliability of braking, and maintenance, replacing are all more convenient.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A sectional views in figure.
Embodiment
Fig. 1 is structural representation of the present utility model, and Fig. 2 is A-A sectional views in figure, as shown in the figure：The vapour of the present embodiment
Car transmission assembly, including brake and the extension box 1 for supporting transmission output shaft (not shown)；The brake
Including bottom plate 2, output panel 3, the friction plate 5 of 4, two pieces of arcs of brake drum and drive mechanism for driving friction plate 5；The bottom
Plate 2 is fixedly connected with extension box 1, and the brake drum 4 is connected by output panel 3 with transmission output shaft, and the friction plate 5 positions
It is arranged concentrically on a base plate 2 with brake drum 4 and is located at the inner side of brake drum 4, the friction plate 5 is in the presence of drive mechanism along footpath
To mobile and contacted with brake drum 4 and produce brake force；Brake drum 4 rotates with the rotation of transmission output shaft, works as speed changer
When output shaft is in high speed rotation state and needs to be braked, by drive mechanism drive friction plate 5 to move radially and with
Brake drum 4 contacts, and the normal pressure of friction plate 5 and brake drum 4 produces frictional force between the two with speed official post, prevents speed changer from exporting
Axle continues to rotate and reaches the purpose of braking；Friction plate 5 has larger contact surface with brake drum 4, can produce larger system
Power, while the losing quantity of friction plate 5 is smaller, and brake smooth-going, this assembly advantageously reduces manufacturing cost, and that improves braking can
By property, maintenance, replacing are all more convenient.
In the present embodiment, the end face of the extension box 1 be circumferentially uniformly provided with for be connected with bottom plate 2 the 1a of connecting hole I,
Relative other end is circumferentially uniformly provided with the 1b of connecting hole II for being connected with mission case；The 1a of connecting hole I, connecting hole II
1b is both preferably Screw hole structure, is realized and connected by bolt between extension box 1 and bottom plate 2, mission case, connection is reliable,
It is convenient；Meanwhile the output panel 3 is in flange plate structure, output panel 3 is provided with the center being used for transmission output shaft drive connection
Axis hole.
In the present embodiment, the drive mechanism includes two brake-shoes 6 with two friction plates, 5 corresponding arc respectively, institute
State brake-shoe 6 and position and be arranged concentrically and be located at the inner side of friction plate 5 with friction plate 5 on a base plate 2；One end of two brake-shoes 6
By return spring I 71 hold and by fulcrum post supporting on a base plate 2, the other end by return spring II 72 hold and by cam 8
Top is opened, and the cam 8 is positioned at bottom plate 2 and is connected with rocker arm assembly 9, and cam 8 rotates and then driven in the presence of rocker arm assembly 9
Dynamic brake-shoe 6 moves radially；The rocker arm assembly is controlled by a drag-line (not shown) and swung, and the bottom plate 2 is provided with
For positioning the cable support 10 of drag-line；Pass through drag-line pull rocker arm assembly 9 so that brake cam 8 rotates, rotation it is convex
The brake-shoe 6 of 8 pairs of both sides of wheel, which applies thrust, is flared out brake-shoe 6, and control mode is simple and effective；Unclamp rocker arm assembly
Afterwards, brake-shoe 6 can homing in the presence of return spring I 71, return spring II 72；In order to which surface brake-shoe 6 is moved through
Cross, the middle part of the brake-shoe 6 is provided with moves radially the radial direction locating part 11 of amplitude for limiting it, and radial direction locating part for example may be used
To be inserted in the pin in elongated hole.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (6)
- A kind of 1. automotive transmission assembly, it is characterised in that：Including brake and for supporting the extension box of transmission output shaft； The brake includes bottom plate, output panel, brake drum, the friction plate of two pieces of arcs and the drive mechanism for driving friction plate； The bottom plate is fixedly connected with extension box, and the brake drum is connected by output panel with transmission output shaft, and the friction plate is determined Position be arranged concentrically and be located on the inside of brake drum with brake drum on bottom plate, the friction plate in the presence of drive mechanism radially Move and contacted with brake drum and produce brake force.
- 2. automotive transmission assembly according to claim 1, it is characterised in that：The end face of the extension box is circumferentially uniform Circumferentially it is uniformly provided with provided with the connecting hole I for being connected with bottom plate, relative other end for being connected with mission case Connecting hole II.
- 3. automotive transmission assembly according to claim 2, it is characterised in that：The output panel is in flange plate structure, defeated Placing is provided with the central shaft hole being used for transmission output shaft drive connection.
- 4. automotive transmission assembly according to claim 3, it is characterised in that：The drive mechanism include two respectively with The brake-shoe of arc corresponding to two friction plates, the brake-shoe is positioned on bottom plate is arranged concentrically and is located at friction plate with friction plate Inner side；One end of two brake-shoes is held by return spring I and is supported on by fulcrum post on bottom plate, the other end is by return bullet Spring II is held and opened by cam top, and the cam orientation is connected in bottom plate and with rocker arm assembly, effect of the cam in rocker arm assembly Under be rotated into and drive brake-shoe to move radially.
- 5. automotive transmission assembly according to claim 4, it is characterised in that：The rocker arm assembly is put by a cable control Dynamic, the bottom plate is provided with the cable support for being used for positioning drag-line.
- 6. automotive transmission assembly according to claim 4, it is characterised in that：The middle part of the brake-shoe, which is provided with, to be used to limit Make it and move radially the radial direction locating part of amplitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213974.3U CN207161568U (en) | 2017-09-15 | 2017-09-15 | Automotive transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213974.3U CN207161568U (en) | 2017-09-15 | 2017-09-15 | Automotive transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161568U true CN207161568U (en) | 2018-03-30 |
Family
ID=61723298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721213974.3U Active CN207161568U (en) | 2017-09-15 | 2017-09-15 | Automotive transmission assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161568U (en) |
-
2017
- 2017-09-15 CN CN201721213974.3U patent/CN207161568U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200622 Address after: 404100 mechanical and electrical materials Park, Yanjia Industrial Park, Changshou District, Chongqing Patentee after: Chongqing Xiaokang Power Co.,Ltd. Address before: 400033 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee before: Chongqing Sokon Industry Group Stock Co.,Ltd. |
|
| TR01 | Transfer of patent right |