CN114962496B - Friction device - Google Patents
Friction device Download PDFInfo
- Publication number
- CN114962496B CN114962496B CN202210571051.4A CN202210571051A CN114962496B CN 114962496 B CN114962496 B CN 114962496B CN 202210571051 A CN202210571051 A CN 202210571051A CN 114962496 B CN114962496 B CN 114962496B
- Authority
- CN
- China
- Prior art keywords
- friction
- wheel
- plate
- rotation
- locking
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/025—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members with two or more rotating discs at least one of them being located axially
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The friction device comprises a connecting shaft, a first friction plate in sliding connection is arranged in a movable groove, a rotating shaft is arranged at one end, far away from a groove, of a fixed plate, a second friction plate is arranged at the other side of a limiting column, a fourth friction ring frame is arranged at the outer side of the rotating shaft, and a telescopic end of a telescopic rod is fixedly connected with the fourth friction ring frame. The beneficial effects of the invention are as follows: according to the invention, the telescopic rod drives the first friction plate, the fourth friction ring frame and the second friction plate to gradually rub and slow down the rotating wheel until the rotating wheel stops working, the first friction plate is upwards and downwards close to the rotating wheel to perform friction locking, the second friction plate is close to the rotating wheel to perform friction locking, the inclined friction groove of the fourth friction ring frame is pushed to be close to the inclined angle of the rotating wheel to perform friction locking, and meanwhile, the third friction ring is used for assisting in locking, so that the locking is gradually performed, the action force in the direction of the connecting shaft is prevented from generating broken shaft, and the maintenance and repair cost is reduced.
Description
Technical Field
The invention relates to the technical field of equipment friction deceleration locking, in particular to a friction device.
Background
The device is characterized in that a large-scale device stirring device, a rotation testing device or a large-scale fan transmission device is arranged in a factory, the large-scale device rotates at a high speed through a large-scale driving device, after an abnormal condition occurs, the large-scale device starts a locking device to stop working of the large-scale device, but the existing locking device is used for locking a rotating shaft which rotates at a high speed at one time after a power supply is cut off, because the rotating shaft of the device continues to rotate due to inertia after the power supply is cut off, the existing locking device locks at one time, and the locking device directly realizes locking by the force in the opposite direction, breaks a shaft, the locking device is easy to damage and has high maintenance cost and cannot be locked step by step.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the technical defects and provide a friction device with gradual friction locking.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a friction device, includes rotating wheel and cushion of connecting axle, one end that the connecting axle was kept away from to the rotating wheel is equipped with the recess, the recess in be equipped with the fixed plate, the fixed plate about both ends all set up the shifting chute, the shifting chute in set up sliding connection's first friction plate, the fixed plate one end of keeping away from the recess be equipped with the axis of rotation, the outside of axis of rotation set up rotatable spacing wheel, spacing wheel and first friction plate between be equipped with connecting rod and connecting rod's both ends respectively articulated spacing wheel and first friction plate, one side that the spacing wheel is close to the fixed plate be equipped with spacing post relatively and spacing post runs through the fixed plate, the opposite side of spacing post set up the second friction plate, the outer lane inboard of spacing wheel be equipped with the spacing groove, the spacing inslot set up rotatable third friction ring, the upper end of cushion be equipped with the bearing frame and inside the axis of rotation connection bearing frame, the outside of rotation axis be equipped with the fourth friction ring frame, the cushion on be equipped with the telescopic link relatively, the telescopic link's fixed connection fourth friction ring and the fixed link between the third friction link.
Further, the fixed plate is provided with a rotating hole matched with the limiting column.
Further, the two sides of the first friction plate are provided with sliding blocks, sliding grooves matched with the sliding blocks are formed in the moving grooves, and when the first friction plate is pushed by the hinged connecting rod, the sliding blocks move in the sliding grooves to play a role in limiting trend.
Further, one end of the rotating wheel, which is close to the fourth friction ring frame, is of an inwards inclined chamfer structure, and one side surface of the fourth friction ring frame, which is close to the rotating wheel, is provided with an inclined friction groove matched with the inclined chamfer structure.
Further, the limiting wheel is internally provided with a through hole, and the rotating shaft is arranged in the through hole.
Further, the telescopic rod and the bearing seat are fixedly connected to the cushion block.
The beneficial effects of the invention are as follows:
according to the invention, the telescopic rod drives the first friction plate, the fourth friction ring frame and the second friction plate to gradually rub and slow down the rotating wheel until the rotating wheel stops working, the first friction plate is upwards and downwards close to the rotating wheel to perform friction locking, the second friction plate is close to the rotating wheel to perform friction locking, the inclined friction groove of the fourth friction ring frame is pushed to be close to the inclined angle of the rotating wheel to perform friction locking, and meanwhile, the third friction ring is used for assisting in locking, so that the locking is gradually performed, the action force in the direction of the connecting shaft is prevented from generating broken shaft, and the maintenance and repair cost is reduced.
Drawings
Fig. 1 is a schematic view of a friction device according to the present invention.
Fig. 2 is a front cut-away view of a friction device of the present invention.
Fig. 3 is a top cut-away view of a friction device of the present invention.
Fig. 4 is a schematic view showing the installation of a fixing plate of a friction device according to the present invention.
As shown in the figure: 1. a connecting shaft; 1.1, cushion blocks; 2. a rotating wheel; 2.1, grooves; 3. a fixing plate; 3.1, a moving groove; 3.2, rotating shaft; 4. a limiting wheel; 4.1, a limit column; 5. a second friction plate; 6. a limit groove; 7. a telescopic rod; 8. a fixed rod; 9. a rotation hole; 10. a slide block; 11. a chute; 12. a sloped friction groove; 13. a through hole; 14. a first friction plate; 15. a connecting rod; 16. a third friction ring; 17. and a fourth friction ring frame.
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, a friction device comprises a connecting shaft 1, a rotating wheel 2 at one side of the connecting shaft 1 and a cushion block 1.1, wherein a telescopic rod 7 and a bearing seat are fixedly connected to the cushion block 1.1, the connecting shaft 1 is fixedly connected to the rotating end of large equipment, and the cushion block 1.1 is fixedly fixed on the ground or set up through a bolt set.
In specific implementation, the one end that connecting axle 1 was kept away from to rotation wheel 2 is equipped with recess 2.1, recess 2.1 in be equipped with fixed plate 3, fixed plate 3 upper and lower both ends all set up and move groove 3.1, move groove 3.1 in set up sliding connection's first friction plate 14, fixed plate 3 keep away from the one end of recess 2.1 and be equipped with axis of rotation 3.2, the outside of axis of rotation 3.2 set up rotatable spacing wheel 4, drive third friction ring 16 through dead lever 8 when telescopic link 7 work and promote spacing wheel 4 and be close to rotation wheel 2, promote upwards to be close to rotation wheel 2 through connecting rod 15 to first friction plate 14 and rub the locking, reverse effort simultaneously drives fixed plate 3 rotation, rotates in the bearing frame through axis of rotation 3.2, simultaneously third friction ring 16 rubs spacing wheel 4 and assists the locking.
In specific implementation, the limiting wheel 4 and the first friction plate 14 between be equipped with connecting rod 15 and the both ends of connecting rod 15 articulated limiting wheel 4 and first friction plate 14 respectively, limiting wheel 4 be close to one side of fixed plate 3 and be equipped with spacing post 4.1 relatively and spacing post 4.1 runs through fixed plate 3, the opposite side of spacing post 4.1 set up second friction plate 5, fixed plate 3 on be equipped with the rotation hole 9 that cooperation spacing post 4.1 used, when first friction plate 14 is close to rotation wheel 2 and rubs the locking, when can't reach the requirement, telescopic link 7 continues to stretch work, can promote spacing post 4.1 and remove in rotation hole 9 for second friction plate 5 is close to rotation wheel 2 friction locking.
In specific implementation, the outer lane inboard of spacing wheel 4 be equipped with spacing groove 6, spacing groove 6 in set up rotatable third friction ring 16, the bearing frame that the upper end of cushion 1.1 was equipped with and the inside of bearing frame is connected to axis of rotation 3.2, the outside of axis of rotation 3.2 be equipped with fourth friction ring frame 17, cushion 1.1 on be equipped with telescopic link 7 relatively, telescopic link 7's flexible end fixed connection fourth friction ring frame 17, third friction ring 16 and telescopic link 7 between set up fixed connection's dead lever 8, the one end that the rotation wheel 2 is close to fourth friction ring frame 17 be the chamfer structure of inwards sloping, a side that the fourth friction ring frame 17 is close to rotation wheel 2 be equipped with the slope friction groove 12 that the chamfer structure that the cooperation was inclined used, when second friction plate 5 can't reach the locking, telescopic link 7 continues to stretch work, finally promotes the slope friction groove 12 of fourth friction ring frame 17 and is close to rotation wheel 2 and carries out the friction lock.
In the specific implementation, the clearance between the upper and lower parts of the first friction plate 14 and the rotating wheel 2 is L1, the clearance between the second friction plate 5 and the opposite surface of the rotating wheel 2 is L2, the clearance between the fourth friction ring frame 17 and the opposite surface of the rotating wheel 2 is L3, when the clearance is designed, L3 is more than L2 and more than L1, the surfaces of the first friction plate 14, the third friction ring 16, the fourth friction ring frame 17 and the second friction plate 5 are all provided with friction layers, the telescopic link 7 of the invention has three grades,
first gear: the first friction plate 14 and the rotating wheel 2 are in friction locking, and the third friction ring 16 is in friction with the limit wheel 4 to assist in locking;
second gear: the first friction plate 14 is in friction locking with the rotating wheel 2, the third friction ring 16 is in friction with the limiting wheel 4 to assist friction, and the second friction plate 5 is close to the rotating wheel 2 to be in friction locking;
third gear: the first friction plate 14 and the rotating wheel 2 are in friction locking, the third friction ring 16 rubs the limiting wheel 4 to assist friction, the second friction plate 5 rubs close to the rotating wheel 2, and the inclined friction groove 12 of the fourth friction ring frame 17 carries out friction locking close to the inclined angle of the rotating wheel 2.
When the third gear is in, the first friction plate 14, the third friction ring 16, the fourth friction ring frame 17 and the second friction plate 5 are all in friction locking with the rotating wheel 2, the rotating wheel 2 is stopped gradually at the moment, the fourth friction ring frame 17 is fixedly connected to the telescopic end of the telescopic rod 7, the telescopic rod 7 is fixed in the cushion block 1.1, and the reverse acting force is applied to achieve a final locking state.
First gear, second gear; the friction of the third gear is to gradually increase the friction of the parts and increase the friction force to the limit wheel 4.
The sliding blocks 10 are arranged on two sides of the first friction plate 14, the sliding grooves 11 matched with the sliding blocks 10 are arranged in the moving grooves 3.1, and when the hinged connecting rod 15 pushes the first friction plate 14, the sliding blocks 10 move in the sliding grooves 11 to limit the trend.
The limiting wheel 4 is internally provided with a through hole 13, and the rotating shaft 3.2 is arranged in the through hole 13.
The working principle of the invention is as follows:
when the locking is needed, the telescopic rod works, the fixing rod drives the third friction ring to push the limiting wheel to be close to the rotating wheel, the connecting rod pushes the first friction plate to upwards and downwards close to the rotating wheel to carry out friction locking, meanwhile, reverse acting force is applied, the fixing plate is driven to rotate, the fixing plate rotates in the bearing seat, meanwhile, the third friction ring rubs the limiting wheel to assist in locking, the first gear of the telescopic rod works is reached, the limiting column is pushed to move in the rotating hole when the telescopic rod continues to work, the second friction plate is close to the friction locking of the rotating wheel, the second gear of the telescopic rod works is reached, and finally, the inclined friction groove of the fourth friction ring frame is pushed to be close to the inclined angle of the rotating wheel to carry out friction locking when the telescopic rod continues to work again, so that the final locking state is achieved.
The above description is illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, but is to be accorded the full scope of the claims.
Claims (4)
1. The utility model provides a friction device, includes rotating wheel (2) and cushion (1.1) of connecting axle (1), a serial communication port, the one end that connecting axle (1) was kept away from to rotating wheel (2) is equipped with recess (2.1), recess (2.1) in be equipped with fixed plate (3), fixed plate (3) about both ends all set up movable groove (3.1), movable groove (3.1) in set up sliding connection's first friction plate (14), fixed plate (3) one end of keeping away from recess (2.1) be equipped with axis of rotation (3.2), the outside of axis of rotation (3.2) set up rotatable spacing wheel (4), spacing wheel (4) and first friction plate (14) between be equipped with connecting rod (15) and the both ends of connecting rod (15) articulate spacing wheel (4) and first friction plate (14) respectively, one side that fixed plate (3) are close to and are equipped with spacing post (4.1) and spacing post (4.1) relatively, spacing post (4.1) one side that fixed plate (3) is close to be equipped with spacing post (4), the outside limit plate (4.1) is equipped with spacing post (4) 5) on the fixed plate (4.5), the utility model discloses a rotary friction lock, including stopper (1.1) and stopper (1.1), stopper (1.1) in set up rotatable third friction ring (16), the upper end of cushion (1.1) be equipped with the bearing frame and inside axis of rotation (3.2) are connected to the bearing frame, the outside of axis of rotation (3.2) be equipped with fourth friction ring frame (17), cushion (1.1) on be equipped with telescopic link (7) relatively, the telescopic end fixed connection fourth friction ring frame (17) of telescopic link (7), third friction ring (16) and telescopic link (7) between set up fixed link (8) of fixed connection, one end that rotation wheel (2) are close to fourth friction ring frame (17) be the chamfer structure of inwards slope, fourth friction ring frame (17) be equipped with slope friction groove (12) that the cooperation slope chamfer structure used near rotation wheel (2), telescopic link (7) drive third friction ring (16) through fixed link (8) and promote spacing wheel (4) and be close to rotation wheel (2), connecting rod (15) are close to rotation wheel (2) and are carried out reverse locking friction plate (3) simultaneously, rotation lock frictional lock up rotation (2) is reached at the rotation lock-up friction plate (3), when the telescopic rod (7) continues to work, the limiting column (4.1) is pushed to move in the rotating hole (9), so that the second friction plate (5) is close to the rotating wheel (2) to be in friction locking, the second gear of the telescopic rod (7) work is achieved, and when the telescopic rod (7) continues to work again, the inclined friction groove (12) of the fourth friction ring frame (17) is finally pushed to be close to the inclined angle of the rotating wheel (2) to be in friction locking, so that the final locking state is achieved.
2. A friction device according to claim 1, wherein: the sliding blocks (10) are arranged on two sides of the first friction plate (14), and sliding grooves (11) matched with the sliding blocks (10) are arranged in the moving grooves (3.1).
3. A friction device according to claim 1, wherein: the limiting wheel (4) is internally provided with a through hole (13), and the rotating shaft (3.2) is arranged in the through hole (13).
4. A friction device according to claim 1, wherein: the telescopic rod (7) and the bearing seat are fixedly connected to the cushion block (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210571051.4A CN114962496B (en) | 2022-05-24 | 2022-05-24 | Friction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210571051.4A CN114962496B (en) | 2022-05-24 | 2022-05-24 | Friction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114962496A CN114962496A (en) | 2022-08-30 |
| CN114962496B true CN114962496B (en) | 2023-06-27 |
Family
ID=82970912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210571051.4A Active CN114962496B (en) | 2022-05-24 | 2022-05-24 | Friction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114962496B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161402A (en) * | 1998-11-20 | 2000-06-16 | Toyota Motor Corp | Disc rotor |
| JP2000352433A (en) * | 1999-06-11 | 2000-12-19 | Toko Electric Corp | Braking device |
| AT513989A1 (en) * | 2013-03-11 | 2014-09-15 | Ve Vienna Engineering Forschungs Und Entwicklungs Gmbh | Electrically operated friction brake |
| CN204852087U (en) * | 2015-07-10 | 2015-12-09 | 珠海市台金科技有限公司 | Brake |
| CN207074929U (en) * | 2017-09-02 | 2018-03-06 | 陈建民 | Electromagnetic brake motor |
| CN207297690U (en) * | 2017-09-24 | 2018-05-01 | 邵阳学院 | A kind of friction mechanism with controllability |
| CN110821984A (en) * | 2018-10-25 | 2020-02-21 | 项炳海 | Quick brake mechanism used on automobile |
| CN210239911U (en) * | 2019-06-25 | 2020-04-03 | 无锡市来仕德机械有限公司 | Brake device of wind driven generator |
| CN111731978A (en) * | 2020-07-01 | 2020-10-02 | 浙江科技学院 | Novel speed limiter with uniform loading and vibration reduction protection functions and working method thereof |
| CN112268081A (en) * | 2020-10-26 | 2021-01-26 | 河北翔金超环保科技有限公司 | Eccentric wear prevention electric hydraulic brake |
| WO2022040917A1 (en) * | 2020-08-25 | 2022-03-03 | 眉山中车制动科技股份有限公司 | Unit brake cylinder and integrated brake device |
-
2022
- 2022-05-24 CN CN202210571051.4A patent/CN114962496B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161402A (en) * | 1998-11-20 | 2000-06-16 | Toyota Motor Corp | Disc rotor |
| JP2000352433A (en) * | 1999-06-11 | 2000-12-19 | Toko Electric Corp | Braking device |
| AT513989A1 (en) * | 2013-03-11 | 2014-09-15 | Ve Vienna Engineering Forschungs Und Entwicklungs Gmbh | Electrically operated friction brake |
| CN204852087U (en) * | 2015-07-10 | 2015-12-09 | 珠海市台金科技有限公司 | Brake |
| CN207074929U (en) * | 2017-09-02 | 2018-03-06 | 陈建民 | Electromagnetic brake motor |
| CN207297690U (en) * | 2017-09-24 | 2018-05-01 | 邵阳学院 | A kind of friction mechanism with controllability |
| CN110821984A (en) * | 2018-10-25 | 2020-02-21 | 项炳海 | Quick brake mechanism used on automobile |
| CN210239911U (en) * | 2019-06-25 | 2020-04-03 | 无锡市来仕德机械有限公司 | Brake device of wind driven generator |
| CN111731978A (en) * | 2020-07-01 | 2020-10-02 | 浙江科技学院 | Novel speed limiter with uniform loading and vibration reduction protection functions and working method thereof |
| WO2022040917A1 (en) * | 2020-08-25 | 2022-03-03 | 眉山中车制动科技股份有限公司 | Unit brake cylinder and integrated brake device |
| CN112268081A (en) * | 2020-10-26 | 2021-01-26 | 河北翔金超环保科技有限公司 | Eccentric wear prevention electric hydraulic brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114962496A (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116871884B (en) | Vehicle brake assembly assembling method and system | |
| CN114962496B (en) | Friction device | |
| CN211039472U (en) | 360-degree mechanical locking mechanism for hoisting machinery | |
| CN215974535U (en) | Single-drive disc type lifting appliance assembly for truck power conversion station | |
| CN213294555U (en) | Moving device for well plugging device of drilling machine | |
| CN201078184Y (en) | Locking device of spline clutch type drill top drive rotating head | |
| CN213978860U (en) | Mechanical translation sliding type locking device for heavy gate | |
| CN116877597A (en) | Braking mechanism and rotary drilling rig | |
| CN214327010U (en) | Jacking device for bidirectional transmission of screw rod | |
| CN112323732A (en) | Mechanical translation sliding type locking device for heavy gate | |
| CN112963471B (en) | Horizontal wheel brake for gantry crane | |
| CN207131533U (en) | Packaged type wind power generating set barring gear and the Wind turbines including the device | |
| CN221188314U (en) | Linkage locking device | |
| CN219726290U (en) | Antiskid mechanical arm clamping mechanism | |
| CN221237452U (en) | High stability hydraulic motor structure | |
| CN111058665A (en) | Intelligent mechanical parking space translation locking mechanism | |
| CN211942838U (en) | Automobile maintenance robot for replacing tires | |
| CN217440650U (en) | Elevator type manual releasing device for large-specification industrial brake | |
| CN220668202U (en) | Braking device for directional drilling machine power head | |
| CN209653488U (en) | A kind of non-motor vehicle lifting parking gear | |
| CN218093968U (en) | Lever wheel-side brake | |
| CN218231695U (en) | Electromechanical maintenance lifting device | |
| CN210212190U (en) | Lifting mechanism and wrecker thereof | |
| CN203553773U (en) | Track commutation apparatus of cable releasing vehicle | |
| CN221208006U (en) | Parking brake and mechanical lock device of cracking reaction kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |