CN114962496A - Friction device - Google Patents
Friction device Download PDFInfo
- Publication number
- CN114962496A CN114962496A CN202210571051.4A CN202210571051A CN114962496A CN 114962496 A CN114962496 A CN 114962496A CN 202210571051 A CN202210571051 A CN 202210571051A CN 114962496 A CN114962496 A CN 114962496A
- Authority
- CN
- China
- Prior art keywords
- friction
- wheel
- plate
- rotating wheel
- ring frame
- 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.)
- Granted
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 utility model provides a friction device, includes the connecting axle, 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 opposite side of spacing post set up the second friction plate, the outside of axis of rotation be equipped with fourth friction ring frame, the flexible end fixed connection fourth friction ring frame of telescopic link. The invention has the beneficial effects that: according to the invention, the first friction plate, the fourth friction ring frame and the second friction plate are driven by the telescopic rod to gradually rub and decelerate the rotating wheel until the rotating wheel stops working, the first friction plate is close to the rotating wheel upwards and downwards to carry out friction locking, the second friction plate is close to the rotating wheel to carry out 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 carry out friction locking, meanwhile, the third friction ring friction limiting wheel assists locking and gradually locks, the shaft is prevented from being broken due to the acting force in the direction of the connecting shaft, and the maintenance and repair cost is reduced.
Description
Technical Field
The invention relates to the technical field of friction deceleration locking of equipment, in particular to a friction device.
Background
The large-scale equipment stirring and rotation testing device or the large-scale fan transmission device exists in a factory, the large-scale equipment can be rotated at a high speed through a large-scale driving device, after abnormal conditions occur, the large-scale equipment can start the locking device and stop working of the large-scale equipment, but after the power supply of the existing locking device is cut off, locking is carried out on a rotating shaft rotating at a high speed of the driving device once, the rotating shaft can still continue to rotate due to inertia after the power supply of the equipment is cut off, locking is carried out on the existing locking device once, locking is directly carried out by force in the opposite direction, shaft breakage occurs, the locking device is easy to damage, the maintenance cost is high, and gradual locking cannot be achieved.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a friction device with gradual friction locking.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a friction device comprises a connecting shaft, a rotating wheel and a cushion block, wherein the rotating wheel is arranged on one side of the connecting shaft, one end of the rotating wheel, which is far away from the connecting shaft, is provided with a groove, a fixed plate is arranged in the groove, the upper end and the lower end of the fixed plate are respectively provided with a moving groove, a first friction plate in sliding connection is arranged in the moving groove, one end of the fixed plate, which is far away from the groove, is provided with a rotating shaft, the outer side of the rotating shaft is provided with a rotatable limiting wheel, a connecting rod is arranged between the limiting wheel and the first friction plate, two ends of the connecting rod are respectively hinged with the limiting wheel and the first friction plate, one side of the limiting wheel, which is close to the fixed plate, is relatively provided with a limiting column, the limiting column penetrates through the fixed plate, the other side of the limiting column is provided with a second friction plate, the inner side of the outer ring of the limiting wheel is provided with a limiting groove, a rotatable third friction ring is arranged in the limiting groove, and the upper end of the cushion block is provided with a bearing seat and the inside the bearing seat of the connecting shaft, the outer side of the rotating shaft is provided with a fourth friction ring frame, the cushion block is relatively provided with a telescopic rod, the telescopic end of the telescopic rod is fixedly connected with the fourth friction ring frame, and a fixed rod fixedly connected with the telescopic rod is arranged between the third friction ring and the telescopic rod.
Furthermore, the fixed plate is provided with a rotating hole used in cooperation 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 for use 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 the trend.
Furthermore, one end of the rotating wheel, which is close to the fourth friction ring frame, is of an inward inclined chamfer structure, and one side face, which is close to the rotating wheel, of the fourth friction ring frame is provided with an inclined friction groove used in cooperation with the inclined chamfer structure.
Furthermore, a through hole is formed in the limiting wheel, and the rotating shaft is arranged in the through hole.
Furthermore, the telescopic rod and the bearing seat are fixedly connected to the cushion block.
The invention has the beneficial effects that:
according to the invention, the first friction plate, the fourth friction ring frame and the second friction plate are driven by the telescopic rod to gradually rub and decelerate the rotating wheel until the rotating wheel stops working, the first friction plate is upwards and downwards close to the rotating wheel to rub and lock, the second friction plate is close to the rotating wheel to rub and lock, the inclined friction groove of the fourth friction ring frame is pushed to be close to the inclined angle of the rotating wheel to implement rubbing and locking, meanwhile, the third friction ring friction limiting wheel assists in locking and gradually locks, the acting force in the direction of the connecting shaft is prevented from generating shaft breakage, 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, moving a groove; 3.2, a rotating shaft; 4. a limiting wheel; 4.1, a limiting column; 5. a second friction plate; 6. a limiting groove; 7. a telescopic rod; 8. fixing the rod; 9. rotating the hole; 10. a slider; 11. a chute; 12. an inclined 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
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content 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 drawings in the embodiments of the present invention.
With reference to the attached drawings 1-4, the friction device comprises a connecting shaft 1, a rotating wheel 2 and a cushion block 1.1, wherein the rotating wheel 2 is arranged on one side of the connecting shaft 1, a telescopic rod 7 and a bearing seat are fixedly connected onto the cushion block 1.1, the connecting shaft 1 is fixedly connected onto the rotating end of large equipment, and the cushion block 1.1 is fixedly fixed and welded on the ground or arranged through a bolt group.
In specific implementation, the one end that the connecting axle 1 was kept away from to the running 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 shifting chute 3.1, shifting chute 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, work and drive third friction ring 16 through dead lever 8 and promote spacing wheel 4 and be close to running wheel 2 when telescopic link 7, promote first friction plate 14 upwards downwards through connecting rod 15 and be close to running wheel 2 and carry out the friction locking, reverse effort drives fixed plate 3 rotatory simultaneously, through axis of rotation 3.2 at the bearing frame internal rotation, the supplementary locking of spacing wheel 4 of third friction ring 16 friction simultaneously.
In the concrete implementation, spacing round 4 and first friction plate 14 between be equipped with connecting rod 15 and the both ends of connecting rod 15 articulated spacing round 4 and first friction plate 14 respectively, spacing round 4 be close to one side of fixed plate 3 and be equipped with spacing post 4.1 and spacing post 4.1 relatively and run 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 the spacing post 4.1 of cooperation used, when first friction plate 14 is close to and rotates wheel 2 and carry out the friction locking, can't reach when requiring, 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 and rotates wheel 2 friction locking.
In specific implementation, a limiting groove 6 is arranged on the inner side of the outer ring of the limiting wheel 4, a rotatable third friction ring 16 is arranged in the limiting groove 6, a bearing seat is arranged at the upper end of the cushion block 1.1, a rotating shaft 3.2 is connected with the inside of the bearing seat, a fourth friction ring frame 17 is arranged on the outer side of the rotating shaft 3.2, an expansion rod 7 is oppositely arranged on the cushion block 1.1, the expansion end of the expansion rod 7 is fixedly connected with the fourth friction ring frame 17, a fixed rod 8 fixedly connected with the third friction ring 16 and the expansion rod 7 is arranged between the rotation wheel 2 and the expansion rod 7, one end of the rotation wheel 2 close to the fourth friction ring frame 17 is of an inward inclined chamfer structure, an inclined friction groove 12 matched with the inclined chamfer structure is arranged on one side surface of the fourth friction ring frame 17 close to the rotation wheel 2, and when the second friction plate 5 cannot be locked, the expansion rod 7 continues to stretch, finally, the inclined friction groove 12 of the fourth friction ring frame 17 is pushed to approach the inclined angle of the rotating wheel 2 to implement friction locking.
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 opposite surfaces of the second friction plate 5 and the rotating wheel 2 is L2, the clearance between the opposite surfaces of the fourth friction ring frame 17 and the rotating wheel 2 is L3, when in design, 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 rod 7 of the invention has three grades,
a 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 locking assistance with the limiting wheel 4;
a second gear: the first friction plate 14 and the rotating wheel 2 are in friction locking, the third friction ring 16 is in friction auxiliary locking with the limiting wheel 4, and the second friction plate 5 is close to the rotating wheel 2 for friction locking;
third gear: the first friction plate 14 and the rotating wheel 2 are in friction locking, the third friction ring 16 is in friction assisting with the limiting wheel 4, the second friction plate 5 is in friction close to the rotating wheel 2, and the inclined friction groove 12 of the fourth friction ring frame 17 is in friction locking close to the inclined angle of the rotating wheel 2.
When the friction plate is in the third gear, 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 on the rotating wheel 2, the rotating wheel 2 stops 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 final locking state is achieved through reverse acting force.
A first gear and a second gear; the friction of the third gear is the friction of the gradually increased parts, and the friction force to the limiting wheel 4 is increased.
The two sides of the first friction plate 14 are provided with slide blocks 10, the moving groove 3.1 is internally provided with a sliding groove 11 used for matching the slide blocks 10, and when the first friction plate 14 is pushed by the hinged connecting rod 15, the slide blocks 10 move in the sliding groove 11 to play a role in limiting 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 needing the locking, telescopic link work drives the spacing wheel of third friction ring promotion through the dead lever and is close to the rotation wheel, promote first friction plate upwards to be close to the rotation wheel through the connecting rod and rub the locking, reverse effort simultaneously, it is rotatory to drive the fixed plate, through the axis of rotation at the bearing frame internal rotation, the spacing wheel of third friction ring friction assists the locking simultaneously, reach the first shelves of telescopic link work, when the telescopic link continues work, can promote spacing post and move in the rotation hole, make the second friction plate be close to the rotation wheel friction locking, reach the second shelves of telescopic link work, when the telescopic link continues work once more, finally promote the slope friction recess of fourth friction ring frame and be close to the angle of inclination implementation friction locking of rotation wheel, play final locking state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a friction device, includes rotation wheel (2) and cushion (1.1) of connecting axle (1), connecting axle (1) one side, its characterized in that, the one end of rotating wheel (2) keeping away from connecting axle (1) 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 shifting chute (3.1), shifting chute (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), spacing wheel (4) and first friction plate (14) between be equipped with connecting rod (15) and connecting rod (15) both ends articulate spacing wheel (4) and first friction plate (14) respectively, one side that spacing wheel (4) are close to fixed plate (3) be equipped with spacing post (4.1) and pass through spacing post (4.1) relatively Wear fixed plate (3), the opposite side of spacing post (4.1) set up second friction plate (5), the outer lane inboard of spacing round (4) be equipped with spacing groove (6), spacing groove (6) in set up rotatable third friction ring (16), bearing frame and axis of rotation (3.2) that the upper end of cushion (1.1) was equipped with connect inside 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 flexible end connection fourth friction ring frame (17) of telescopic link (7), third friction ring (16) and telescopic link (7) between set up fixed connection's dead lever (8).
2. A friction device, according to claim 1, characterized in that: the fixed plate (3) is provided with a rotating hole (9) used in cooperation with the limiting column (4.1).
3. A friction device, according to claim 1, characterized in that: and sliding blocks (10) are arranged on two sides of the first friction plate (14), and sliding grooves (11) matched with the sliding blocks (10) for use are arranged in the moving grooves (3.1).
4. A friction device, according to claim 1, characterized in that: one end of the rotating wheel (2) close to the fourth friction ring frame (17) is of an inward inclined chamfer structure, and one side face of the fourth friction ring frame (17) close to the rotating wheel (2) is provided with an inclined friction groove (12) matched with the inclined chamfer structure for use.
5. A friction device, according to claim 1, characterized in that: 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).
6. A friction device, according to claim 1, characterized in that: 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 true CN114962496A (en) | 2022-08-30 |
| CN114962496B 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 |
|---|---|
| CN114962496B (en) | 2023-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201154426Y (en) | Walking device of friction drive type welding tractor | |
| CN109822479B (en) | Hydraulic control car wheel hub overhauls equipment | |
| CN109592403B (en) | Automatic turning and clamping device for wind power blade | |
| CN209602961U (en) | A kind of supporting bracket of bridge construction | |
| CN114962496A (en) | Friction device | |
| CN201455880U (en) | Nut locking device for airborne roofbolter | |
| CN206885066U (en) | A kind of stopping means of railcar | |
| CN212127345U (en) | Novel electric well repairing winch | |
| CN101190763A (en) | Elevator manual rescue device | |
| CN212002548U (en) | Parking machinery lift platform lock | |
| CN111058665A (en) | Intelligent mechanical parking space translation locking mechanism | |
| CN202187311U (en) | Roller disc type ice breaker | |
| CN210231338U (en) | Steel bar bender | |
| CN212959742U (en) | Energy-saving power device | |
| CN219815383U (en) | Mud scraper convenient to installation | |
| CN107097204A (en) | Solar-energy machine people is used in a kind of architectural engineering | |
| CN219874755U (en) | Power relay protection equipment maintenance platform | |
| CN212532103U (en) | Anti-shearing rotating device of swing arm crane | |
| CN220870316U (en) | High strength positioning flange | |
| CN220006098U (en) | Hub elevation boring fixing device | |
| CN219549433U (en) | Safety parking device for beam pumping unit | |
| CN219826140U (en) | Connection locking structure of building templates | |
| CN218322421U (en) | Town road deceleration strip | |
| CN219852377U (en) | Multifunctional pipe cutting machine | |
| CN214167110U (en) | Cylinder driving rotating device for automobile welding production lifting appliance |
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 |