CN103318220B - Tractor truck braking mechanism - Google Patents
Tractor truck braking mechanism Download PDFInfo
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- CN103318220B CN103318220B CN201310274089.6A CN201310274089A CN103318220B CN 103318220 B CN103318220 B CN 103318220B CN 201310274089 A CN201310274089 A CN 201310274089A CN 103318220 B CN103318220 B CN 103318220B
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- tractor truck
- turning handle
- centrifugal
- driven disc
- braking
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Abstract
Tractor truck braking mechanism, belong to brake equipment technical field, the technical matters solved is to provide one can overcome retaining pawl deficiency, realize the brake equipment of safety arrestment, the technical scheme adopted is: tractor truck braking mechanism, comprise braking fork, steel rope, turning handle and centrifugal speed limiter, one end of described braking fork is hinged on the axletree of tractor truck underframe, peg is fixed with in the other end lateral vertical of braking fork, braking fork is articulated on the hook of turning handle lower end by peg, described turning handle is hinged in the rotating shaft of tractor truck underframe by the hole in the middle part of turning handle, the upper end of described turning handle is connected with rope sheave by steel rope, described rope sheave is arranged on centrifugal speed limiter, described driven disc is arranged on the underframe of tractor truck by the 3rd S. A., and be also provided with rope sheave in the outside of driven disc, the present invention is applied to tractor truck.
Description
Technical field
Tractor truck braking mechanism, belongs to brake equipment technical field, particularly a kind of brake equipment relating to tractor truck.
Background technology
In prior art, the chassis of mine car is generally all provided with brake equipment, conventional brake equipment is retaining pawl, and when overspeed situation appears in mine car, retaining pawl falls and blocks or catch sleeper, thus realizes the braking of tractor truck.This brake device structure is simple, and application is also relatively wider, but the weak point of the brake equipment of this braking claw is grabbed insecure, is difficult to reach braking object.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of brake equipment that can overcome retaining pawl deficiency, realize safety arrestment.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: tractor truck braking mechanism, comprise braking fork, steel wire, turning handle and centrifugal speed limiter, one end of described braking fork is hinged on the axletree of tractor truck underframe, peg is fixed with in the other end lateral vertical of braking fork, braking fork is articulated on the hook of turning handle lower end by peg, described turning handle is hinged in the rotating shaft of tractor truck underframe by the hole in the middle part of turning handle, the upper end of described turning handle is connected with rope sheave by steel rope, and described rope sheave is arranged on centrifugal speed limiter;
Described centrifugal speed limiter comprises power wheel, first S. A., first finishing bevel gear cuter, second finishing bevel gear cuter, second S. A., driving disc spacing pressing, driven disc, bearing pin and centrifugal-block, the first described rotation axis horizontal is arranged, described power wheel and the first finishing bevel gear cuter are arranged on the two ends of the first S. A. respectively, the second described S. A. is vertically arranged, the second finishing bevel gear cuter engaged with the first finishing bevel gear cuter is installed in the lower end of the second S. A., in the upper end of the second S. A., driving disc spacing pressing is installed, the bearing pin vertically arranged is fixed with at the top of driving disc spacing pressing, the axis of described bearing pin and the axis of the second S. A. are on the same line, the centrifugal-block with driving disc spacing pressing sliding block joint is also provided with at the top of driving disc spacing pressing, and described centrifugal-block is also connected with bearing pin elasticity, driven disc is provided with directly over driving disc spacing pressing, the line of centers of described driven disc and the line of centers of driving disc spacing pressing are on the same line, described driven disc is the ring-type that inner ring is provided with ratchet, bearing pin and centrifugal-block are all positioned at the inside of driven disc, and centrifugal-block is provided with the tooth that can engage with driven disc,
Described driven disc is arranged on the underframe of tractor truck by the 3rd S. A., is also provided with rope sheave in the outside of driven disc.
Described braking fork cross-sectional plane be with hook mounting one end narrow, with the wide trapezium structure in one end of axle pivot.
The quantity of described centrifugal-block is two.
Also be connected with spring in the side of described turning handle, the other end of described spring is fixed on tractor truck underframe.
Compared to the prior art the present invention has following beneficial effect: by one end of braking fork hinged on the axletree of tractor truck chassis body, the peg of the mounting braking fork other end on the hook of turning handle lower end, time tractor truck travels, power wheel wheel is delivered to first finishing bevel gear cuter of first S. A. end on by power wheel by the first S. A. to the speed of rotating, because second finishing bevel gear cuter of the first finishing bevel gear cuter with the second S. A. end engages, therefore the second S. A. rotates under the second finishing bevel gear cuter drives, the driving disc spacing pressing of the second S. A. upper end also rotates thereupon simultaneously, when tractor truck exceeds the speed limit, centrifugal-block on driving disc spacing pressing under centrifugal action around bearing pin deflection throw away and with the ratchet engagement of driven disc inner ring, thus drive driven disc to rotate, so the rope sheave be fixed on centrifugal speed limiter driven disc is along with rotation, the steel rope that last rope sheave is wound around pulls turning handle, the hook of turning handle lower end is upwards rotated, spring is compressed by turning handle, just the contact with braking fork end peg has been departed from after hook turns over certain angle, there is unhook action in braking fork, so the braking fork losing mounting falls and withstands sleeper, realize the braking to tractor truck.
Compare with traditional retaining pawl, the present invention uses can either safety arrestment tractor truck with the braking of braking fork, and overcoming again retaining pawl cannot the defect of safety arrestment to concrete sleeper.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of centrifugal speed limiter of the present invention.
In figure, 1 is axletree, and 2 is braking fork, and 3 is steel rope, 4 is turning handle, and 5 is rotating shaft, and 6 is spring, and 7 is wheel, 8 is centrifugal speed limiter, and 9 is peg, and 10 is hook, and 11 is power wheel, 12 is the first S. A., and 13 is the first finishing bevel gear cuter, and 14 is the second finishing bevel gear cuter, 15 is the second S. A., and 16 is driving disc spacing pressing, and 17 is driven disc, 18 is bearing pin, and 19 is the 3rd S. A., and 20 is centrifugal-block.
Detailed description of the invention
As shown in Figure 1 and Figure 2, tractor truck braking mechanism, comprise braking fork 2, steel rope 3, turning handle 4 and centrifugal speed limiter 8, one end of described braking fork 2 is hinged on the axletree 1 of tractor truck underframe, peg 8 is fixed with in the other end lateral vertical of braking fork 2, braking fork 2 is articulated in by peg 8 on the hook 10 of turning handle 4 lower end, described turning handle 4 is hinged in the rotating shaft 5 of tractor truck underframe by the hole in the middle part of turning handle 4, the upper end of described turning handle 4 is connected with rope sheave by steel rope 3, and described rope sheave is arranged on centrifugal speed limiter 8;
Described centrifugal speed limiter 8 comprises power wheel 11, first S. A. 12, first finishing bevel gear cuter 13, second finishing bevel gear cuter 14, second S. A. 15, driving disc spacing pressing 16, driven disc 17, bearing pin 18 and centrifugal-block 20, the first described S. A. 12 is horizontally disposed with, described power wheel 1 and the first finishing bevel gear cuter 13 are arranged on the two ends of the first S. A. 12 respectively, the second described S. A. 15 is vertically arranged, the second finishing bevel gear cuter 14 engaged with the first finishing bevel gear cuter 13 is installed in the lower end of the second S. A. 15, in the upper end of the second S. A. 15, driving disc spacing pressing 16 is installed, the bearing pin 18 vertically arranged is fixed with at the top of driving disc spacing pressing 16, the axis of described bearing pin 18 and the axis of the second S. A. 15 are on the same line, the centrifugal-block 20 with driving disc spacing pressing 16 sliding block joint is also provided with at the top of driving disc spacing pressing 16, and described centrifugal-block 20 is also connected with bearing pin 18 elasticity, driven disc 17 is provided with directly over driving disc spacing pressing 16, the line of centers of described driven disc 17 and the line of centers of driving disc spacing pressing 16 are on the same line, described driven disc 17 is provided with the ring-type of ratchet for inner ring, bearing pin 18 and centrifugal-block 20 are all positioned at the inside of driven disc 17, and centrifugal-block 20 is provided with the tooth that can engage with driven disc 17,
Described driven disc 17 is arranged on the underframe of tractor truck by the 3rd S. A. 19, is also provided with rope sheave in the outside of driven disc 17.
The cross-sectional plane of described braking fork 2 be narrow with one end of hook 10 mounting, with the wide trapezium structure in one end that axletree 1 is hinged.
The quantity of described centrifugal-block 20 is two.
Also be connected with spring 6 in the side of described turning handle 4, the other end of described spring 6 is fixed on tractor truck underframe.
The two ends of described second S. A. 15 are provided with bearing, and bearing is all fixed on the vehicle frame bottom tractor truck, and the second S. A. 15 also can rotate within the bearing while being fixed by bearing.
When tractor truck speed is normal, centrifugal-block 20 can not with the ratchet engagement of driven disc 17, driven disc 17 can not rotate, braking can not be made to pitch 2 brakings, only have and centrifugal-block 20 just can be made to throw away the ratchet engagement with driven disc 17 when speed is extraordinary, and then braking fork 2 is broken off relations from hook 9, fall, withstand sleeper and realize braking, now slowing down in tractor truck causes centrifugal-block 20 and driven disc 17 to depart from engagement, driven disc 17 also reduces speed now and rotates until stop operating, when driven disc 17 stops operating, started bounce-back by the spring 6 compressed acts on turning handle 4 by elastic force before, turning handle 4 rotates, control position before being returned to.When tractor truck recovers to exercise, need braking fork 2 to reset, again the peg 9 of braking fork 2 working end is articulated on hook 10, make braking pitch 2 and be in suspension status.
Claims (4)
1. tractor truck braking mechanism, it is characterized in that: comprise braking fork (2), steel rope (3), turning handle (4) and centrifugal speed limiter (8), one end of described braking fork (2) is hinged on the axletree (1) of tractor truck underframe, peg (8) is fixed with in the other end lateral vertical of braking fork (2), braking fork (2) is articulated on the hook (10) of turning handle (4) lower end by peg (8), described turning handle (4) is hinged in the rotating shaft (5) of tractor truck underframe by the hole at turning handle (4) middle part, the upper end of described turning handle (4) is connected with rope sheave by steel rope (3), described rope sheave is arranged on centrifugal speed limiter (8),
Described centrifugal speed limiter (8) comprises power wheel (11), first S. A. (12), first finishing bevel gear cuter (13), second finishing bevel gear cuter (14), second S. A. (15), driving disc spacing pressing (16), driven disc (17), bearing pin (18) and centrifugal-block (20), described the first S. A. (12) is horizontally disposed with, described power wheel (11) and the first finishing bevel gear cuter (13) are arranged on the two ends of the first S. A. (12) respectively, described the second S. A. (15) is vertically arranged, the second finishing bevel gear cuter (14) engaged with the first finishing bevel gear cuter (13) is installed in the lower end of the second S. A. (15), in the upper end of the second S. A. (15), driving disc spacing pressing (16) is installed, the bearing pin (18) vertically arranged is fixed with at the top of driving disc spacing pressing (16), the axis of described bearing pin (18) and the axis of the second S. A. (15) are on the same line, the centrifugal-block (20) with driving disc spacing pressing (16) sliding block joint is also provided with at the top of driving disc spacing pressing (16), and described centrifugal-block (20) is also connected with bearing pin (18) elasticity, driven disc (17) is provided with directly over driving disc spacing pressing (16), the line of centers of described driven disc (17) and the line of centers of driving disc spacing pressing (16) are on the same line, described driven disc (17) is provided with the ring-type of ratchet for inner ring, bearing pin (18) and centrifugal-block (20) are all positioned at the inside of driven disc (17), and centrifugal-block (20) is provided with the tooth that can engage with driven disc (17),
Described driven disc (17) is arranged on the underframe of tractor truck by the 3rd S. A. (19), is also provided with rope sheave in the outside of driven disc (17).
2. tractor truck braking mechanism according to claim 1, is characterized in that: the cross-sectional plane of described braking fork (2) be with linking up with the wide trapezium structure in hinged one end, (10) narrow, the same axletree in one end (1) of mounting.
3. tractor truck braking mechanism according to claim 1 and 2, is characterized in that: the quantity of described centrifugal-block (20) is two.
4. tractor truck braking mechanism according to claim 1 and 2, is characterized in that: be also connected with spring (6) in the side of described turning handle (4), and the other end of described spring (6) is fixed on tractor truck underframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274089.6A CN103318220B (en) | 2013-07-02 | 2013-07-02 | Tractor truck braking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274089.6A CN103318220B (en) | 2013-07-02 | 2013-07-02 | Tractor truck braking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103318220A CN103318220A (en) | 2013-09-25 |
| CN103318220B true CN103318220B (en) | 2016-02-17 |
Family
ID=49187353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310274089.6A Expired - Fee Related CN103318220B (en) | 2013-07-02 | 2013-07-02 | Tractor truck braking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN103318220B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828108A (en) * | 2014-02-11 | 2015-08-12 | 山西三元煤业股份有限公司 | Car stop device |
| CN104875770A (en) * | 2015-05-15 | 2015-09-02 | 安徽宏锦包装设备有限公司 | Parking supporting device of mine car |
| CN109319679A (en) * | 2018-11-29 | 2019-02-12 | 兖州煤业股份有限公司 | The hypervelocity autobrake system of mine endless rope winch |
| CN116447448B (en) * | 2023-04-03 | 2023-11-10 | 河北兴陆电子科技有限公司 | Cantilever type variable information sign and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1217620A (en) * | 1916-12-02 | 1917-02-27 | Clyde W Lowrey | Safety-stop for mine-cars. |
| CN201049639Y (en) * | 2007-05-16 | 2008-04-23 | 陈海锋 | Mechanical synchronization mine anti-sliding vehicle |
| CN101693457A (en) * | 2009-10-16 | 2010-04-14 | 唐进元 | Automatic mechanical running-preventing mine car |
| CN102910190A (en) * | 2012-10-30 | 2013-02-06 | 陕西启源科技发展有限责任公司 | Anti-running mine car |
| CN202847728U (en) * | 2012-10-22 | 2013-04-03 | 葫芦岛市矿车厂 | Self-braking mine safety manned vehicle |
-
2013
- 2013-07-02 CN CN201310274089.6A patent/CN103318220B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1217620A (en) * | 1916-12-02 | 1917-02-27 | Clyde W Lowrey | Safety-stop for mine-cars. |
| CN201049639Y (en) * | 2007-05-16 | 2008-04-23 | 陈海锋 | Mechanical synchronization mine anti-sliding vehicle |
| CN101693457A (en) * | 2009-10-16 | 2010-04-14 | 唐进元 | Automatic mechanical running-preventing mine car |
| CN202847728U (en) * | 2012-10-22 | 2013-04-03 | 葫芦岛市矿车厂 | Self-braking mine safety manned vehicle |
| CN102910190A (en) * | 2012-10-30 | 2013-02-06 | 陕西启源科技发展有限责任公司 | Anti-running mine car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103318220A (en) | 2013-09-25 |
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Granted publication date: 20160217 Termination date: 20160702 |
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