CN102182773B - Anti-slip safe brake - Google Patents
Anti-slip safe brake Download PDFInfo
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- CN102182773B CN102182773B CN 201010568312 CN201010568312A CN102182773B CN 102182773 B CN102182773 B CN 102182773B CN 201010568312 CN201010568312 CN 201010568312 CN 201010568312 A CN201010568312 A CN 201010568312A CN 102182773 B CN102182773 B CN 102182773B
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- fixed
- thrust
- eccentric wheel
- eccentric
- spring
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Abstract
The invention relates to a brake device capable of safety protection in the technical field of engineering machinery, in particular to an anti-slip safe brake applied to an operating mechanism of a window cleaning machine. The anti-slip safe brake comprises a power-driven push rod, a bearing shaft, a locating baffle sleeve, a bearing wheel, a locating jack screw, an eccentric wheel, a thrust spring, a horizontal guide wheel, a frame body, a friction brake block and disk springs, wherein the power-driven push rod is fixed on the frame body; a power-driven push rod head props against the bearing shaft; the locating baffle sleeve is sleeved on the bearing shaft; the bearing wheel is connected to the locating baffle sleeve; the locating jack screw is fixed on the frame body; the head of the locating jack screw props against a gap of the eccentric wheel; the thrust spring is sleeved on the friction brake block; one end of the thrust spring jacks up the frame body and the other end of the thrust spring jacks up the eccentric wheel; the horizontal guide wheel is fixed on the friction brake block; the friction brake block is connected to the frame body; and the disk springs are connected in grooves at the two ends of the frame body and are fixed by eyelet bolts. The anti-slip safe brake has reliable self-locking performance and high sensitivity and can be used for effectively solving the problem of braking of the window cleaning machine during running.
Description
Technical field
What the present invention relates to is a kind of braking device that plays the safety protection effect of technical field of engineering machinery, specifically is a kind of dead electricity servo stabiliser that is applied on the window cleaning equipment travelling mechanism.
Background technique
Along with rapid economic development of China in recent years; The popularization of its engineering machinery also changes independent research into by relying on external import fully in early days gradually; And each item index of many products has all reached external advanced level, some engineering equipment performance even surpassed external top technical merit.But China does not have the real Hesperian industrial revolution that lives through after all; Though some has formed the engineering machinery series of own characteristic product is arranged; But most of products are all still quoted the early stage technology of the Soviet Union, especially in the hoist series products, and innovation of not controlling oneself basically and research and development; Receive the influence on development of Chinese architecture industry, the development of window cleaning equipment delays major step especially and cuts down on world arena.At present; The method that the window cleaning equipment travelling mechanism the most often adopts aspect stopping brake is to use rail clamping device, though rail clamping device can make equipment and track that slide relative does not take place, its operability is more loaded down with trivial details; And its reliability is low; The effective resistance that produces is little, when applied external force is big, slides easily, and it is fastening that its maximum shortcoming is that general only meeting carried out manual work in the time of shutdown.
Retrieval through to existing technology finds that the kind of break is a lot of at present, but these breaks mainly are used for stoping the suspention article to fall or rotatablely move.For example click stopper, electromagnetic brake, hydraulic push-rod brake or the like, as break, this series products only can make to rotatablely move and stop, and but can not be applied on all kinds of trolley travellings.I take charge of the needs according to actual engineering; The spy has researched and developed a kind of dead electricity servo stabiliser that can be applicable in the operation; It has solved the hidden danger that the window cleaning equipment after the dead electricity continues to slide effectively, and it also is to the other direction development on braking principle, promptly utilizes the eccentric wheel self-lock mechanism.
Summary of the invention
Because the shortcoming of aforementioned existing technology; The present invention is directed to the actual demand of present engineering; A kind of dead electricity servo stabiliser that is applied on the window cleaning equipment travelling mechanism is provided, especially under situation about having on the track on slope, can effectively prevents the downslide of window cleaning equipment after outage.
In order to reach the foregoing invention purpose, a kind of dead electricity servo stabiliser of the present invention comprises: electric pushrod, reach, positioning spacer, bearing wheels, location jackscrew, eccentric wheel, thrust spring, horizontal guide sheave, support body, friction brake slipper, belleville spring, and wherein: said electric pushrod is fixed on the support body; Reach is lived on the electric pushrod crown; Positioning spacer is enclosed within on the reach, and bearing wheels is connected on the positioning spacer, and the location jackscrew is fixed on the support body; The head of location jackscrew withstands eccentric breach; Thrust spring is enclosed within on the reach, and an end of thrust spring withstands support body, eccentric wheel is withstood in the other end, and horizontal guide sheave is fixed on the friction brake slipper; The friction brake slipper is connected on the support body, and belleville spring is connected in support body two end slots and with swing bolt and fixes.
Further; Said reach comprises thrust bearing pin, adjusting screw, Fixed latches, slip copper sheathing, hollow shaft, thrust copper sheathing; Said thrust bearing pin is connected in the hollow shaft, and adjusting screw is fixed on the thrust bearing pin, and Fixed latches passes slip copper sheathing and thrust copper sheathing.When promoting the axle slide relative, can drive the relative hollow shaft of slip copper sheathing and thrust copper sheathing and slide.
Further, said bearing wheels is a hollow wheels, and a circle of bearing wheels is equipped with tapped hole, and hexagon socket cap head screw is installed, and said hexagon socket cap head screw head has and is screwed on a small quantity in the said tapped hole.
Further, said location jackscrew comprises nut, screw tap, silk head, spring, steel ball, the fastening silk of said nut head, and the screw tap fixing spring, spring withstands steel ball, and steel ball can move in the silk head.
Further, said eccentric wheel is a wheel hub with eccentric opening, and its inside is provided with some lightening holes and a curved month hole, and is fixed with balancing weight on it and makes the eccentric wheel barycenter remain on the eccentric opening center basically.
The present invention carries out work in the following manner: this dead electricity servo stabiliser two ends are connected on the underframe of window cleaning equipment, when the window cleaning equipment travelling mechanism is supplied power, give the power supply of dead electricity servo stabiliser electric pushrod simultaneously; Electric pushrod promotes the thrust bearing pin in the reach, and the thrust bearing pin promotes the thrust copper sheathing, promotes eccentric wheel simultaneously; Therefore eccentric wheel separates with bearing wheels; Be that hexagon socket countersunk flat cap head screw is thrown off curved month hole on the eccentric wheel on the bearing wheels, because the location jackscrew withstands the breach on the eccentric wheel, so eccentric wheel can not rotate because of vibration or inertial force; This moment the dead electricity servo stabiliser we be referred to as open mode, promptly produce the locking braking.When the window cleaning equipment operation did not have electricity, the dead electricity servo stabiliser did not have electricity yet simultaneously, electric pushrod withdrawal this moment; Because clamp a thrust spring between eccentric wheel and the wheel carrier, therefore under the effect of thrust spring, eccentric wheel is pushed to bearing wheels; In the hexagon socket countersunk flat cap head screw on the while bearing wheels packs into hole of the eccentric curved moon, when window cleaning equipment generation slide relative, because bearing wheels will be rotated further; Rotate thereby drive eccentric wheel, when eccentric wheel turns over several angle, variable height will take place in its dead electricity servo stabiliser integral body; When the wearing piece on the friction brake slipper contacts with track; To produce friction, during less than track rail level friction ractor, will produce locking phenomenon according to the tangent value of eccentric angle of friction.Therefore no matter window cleaning equipment along the inclined-plane sliding force much, can both rely on eccentric friction to stop its downslide.After window cleaning equipment produces braking because of downslide, need manual work to reset.
Because the present invention adopts eccentric wheel angle of friction self-lock mechanism to brake; So its self-locking reliability, highly sensitive; Solved the braking problem of window cleaning equipment aspect operation effectively, the present invention have novel structure, simple to operate, structural configuration is compact, advantage such as safe and reliable.
Description of drawings
To embodiments of the invention and combine the description of its accompanying drawing, can further understand the object of the invention, specific structural features and advantage through following.Wherein, accompanying drawing is:
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is the eccentric plan view of subassembly of the present invention.
Fig. 4 is the structural representation of subassembly reach of the present invention.
Fig. 5 is the structural representation of subassembly of the present invention location jackscrew.
Embodiment
Elaborate in the face of embodiments of the invention down, present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technological scheme of the present invention.
Like Fig. 1, shown in 2, present embodiment dead electricity servo stabiliser comprises: electric pushrod 1, reach 2, positioning spacer 3, bearing wheels 4, location jackscrew 5, eccentric wheel 6, thrust spring 7, horizontal guide sheave 8, support body 9, friction brake slipper 10, belleville spring 11.Its annexation is: electric pushrod 1 is fixed on the support body 9, and reach 2 is lived on electric pushrod 1 crown, and positioning spacer 3 is enclosed within on the reach 2; Bearing wheels 4 is connected on the positioning spacer 3, and location jackscrew 5 is fixed on the support body 9, and head withstands the breach of eccentric wheel 6; Thrust spring 7 is enclosed within on the reach 2, and an end withstands support body 9, and eccentric wheel 6 is withstood in the other end; Horizontal guide sheave 8 is fixed on the friction brake slipper 10; Friction brake slipper 10 is connected on the support body 9, and belleville spring 11 is connected in 9 liang of end slots of support body, and fixes with swing bolt.
Electric pushrod 1 is a two-way electromagnetism push rod, and electric pushrod 1 is the release state when giving electric pushrod 1 power supply, when not having electricity, by the spring of inside push rod is retracted, so electric pushrod 1 is the bidirectional electric push rod.
As shown in Figure 3, eccentric wheel 6 is the wheel hub of an off-centre, its inner a certain size lightening hole and curved month hole, and be fixed with the crescent shape balancing weight on it, make the eccentric wheel barycenter remain on the eccentric opening center basically.
As shown in Figure 4; Reach 2 comprises thrust bearing pin 12, adjusting screw 13, Fixed latches 14, hollow shaft 15, slip copper sheathing 16; Thrust bearing pin 12 is connected in the hollow shaft 16, and adjusting screw 13 is fixed on the thrust bearing pin 12, and Fixed latches 14 passes slip copper sheathing 15 and thrust copper sheathing 16.
As shown in Figure 5, location jackscrew 5 comprises: nut 17, screw tap 18, silk 19, spring 20, steel ball 21, and nut 17 fastening silks 19, screw tap 18 fixing springs 20, spring 20 withstands steel ball 21, and steel ball 21 can be mobile in silk 19.When promoting the axle slide relative, can drive the relative hollow shaft of slip copper sheathing and thrust copper sheathing and slide.
As shown in Figure 1, present embodiment major function be: when travelling mechanism cuts off the power supply, prevent that it is along the inclined-plane or owing to applied force influence is slided.Make eccentric wheel and rail level clamp and produce enough big friction; And the extraneous power that applies does not produce vertical positive power; Therefore, adopt eccentric wheel structure, and with rational eccentric wheel angle of friction; Make the sliding friction coefficient of the tangent value of eccentric angle of friction, and the value at critical pressure angle is to obtain according to the amount of deformation of belleville spring less than the relative rail level of eccentric wheel.Concrete calculating means is: according to the horizontal force of required maximum; And eccentric quiet relatively sliding friction coefficient; Obtain required maximum positive voltage power size; By the anti-maximum elastic force of releasing dish-shaped-spring stack of positive pressure size of maximum,, thereby can calculate eccentric wheel critical pressure angle in conjunction with the distortion amount of movement of eccentric rotation angle with the friction brake slipper.The calculating means of thrust spring is: the thrust of thrust spring is difficult for excessive; Can not be big or small; When the dead electricity servo stabiliser cuts off the power supply; The thrust of thrust spring is enough to promote eccentric wheel, and eccentric crescent can be packed in the hexagon socket countersunk flat cap head screw on the bearing wheels, and the resisting moment that produces of its thrust less than bearing wheels because the moment of rotation that produces during slippage.
Claims (3)
1. dead electricity servo stabiliser is characterized in that comprising: electric pushrod, reach, positioning spacer, bearing wheels, location jackscrew, eccentric wheel, thrust spring, horizontal guide sheave, support body, friction brake slipper, belleville spring, and wherein: said electric pushrod is fixed on the support body; Reach is lived on the electric pushrod crown; Positioning spacer is enclosed within on the reach, and bearing wheels is connected on the positioning spacer, and the location jackscrew is fixed on the support body; The head of location jackscrew withstands eccentric breach; Thrust spring is enclosed within on the reach, and an end of thrust spring withstands support body, eccentric wheel is withstood in the other end, and horizontal guide sheave is fixed on the friction brake slipper; The friction brake slipper is connected on the support body, and belleville spring is connected in support body two end slots and with swing bolt and fixes; Said bearing wheels is a hollow wheels, and a circle of bearing wheels is equipped with tapped hole, and hexagon socket cap head screw is installed, and said hexagon socket cap head screw head has and is screwed on a small quantity in the said tapped hole; Said eccentric wheel is a wheel hub with eccentric opening, and its inside is provided with some lightening holes and a curved month hole, and is fixed with balancing weight on it and makes the eccentric wheel barycenter remain on the eccentric opening center basically; When the dead electricity servo stabiliser does not have electricity, the electric pushrod withdrawal, eccentric wheel is pushed to bearing wheels, and the hexagon socket cap head screw on the bearing wheels packs in the hole of the eccentric curved moon simultaneously.
2. dead electricity servo stabiliser according to claim 1; It is characterized in that: said reach comprises thrust bearing pin, adjusting screw, Fixed latches, slip copper sheathing, hollow shaft, thrust copper sheathing; Said thrust bearing pin is connected in the hollow shaft; Adjusting screw is fixed on the thrust bearing pin, and Fixed latches passes slip copper sheathing and thrust copper sheathing.
3. dead electricity servo stabiliser according to claim 1 is characterized in that: said location jackscrew comprises nut, screw tap, silk head, spring, steel ball, the fastening silk of said nut head, and the screw tap fixing spring, spring withstands steel ball, and steel ball can move in the silk head.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568312 CN102182773B (en) | 2010-12-01 | 2010-12-01 | Anti-slip safe brake |
| HK11113935.8A HK1159728A1 (en) | 2010-12-01 | 2011-12-26 | Anti-slip brake device after power-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568312 CN102182773B (en) | 2010-12-01 | 2010-12-01 | Anti-slip safe brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102182773A CN102182773A (en) | 2011-09-14 |
| CN102182773B true CN102182773B (en) | 2012-12-19 |
Family
ID=44569043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010568312 Expired - Fee Related CN102182773B (en) | 2010-12-01 | 2010-12-01 | Anti-slip safe brake |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102182773B (en) |
| HK (1) | HK1159728A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273368B (en) * | 2013-05-31 | 2015-08-26 | 柳州正菱重型数控机床有限公司 | Lathe anti-skid protector |
| CN104257324B (en) * | 2014-08-20 | 2016-01-27 | 平湖普英特高层设备有限公司 | Standby brake skidding flip flop equipment |
| CN104207720B (en) * | 2014-08-20 | 2016-09-28 | 平湖普英特高层设备有限公司 | The rail-guided mechanism of window cleaning equipment attached wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977115Y (en) * | 2006-08-03 | 2007-11-21 | 上海普英特高层设备有限公司 | Automatic cable-drawing device special for window cleaning machine |
| CN101248971A (en) * | 2008-04-17 | 2008-08-27 | 上海普英特高层设备有限公司 | Rack bar weight counterbalance operation type window wiping machine |
| CN201271202Y (en) * | 2008-09-11 | 2009-07-15 | 北京凯博擦窗机械技术公司 | Electric rail-climbing device of window cleaning equipment for slope |
| CN201272624Y (en) * | 2008-08-18 | 2009-07-15 | 沈国才 | Eccentric wheel break type broken belt grasper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005318906A (en) * | 2004-05-06 | 2005-11-17 | Bufa Concrete Protection Japan Kk | Windowpane outer surface cleaning device for building |
-
2010
- 2010-12-01 CN CN 201010568312 patent/CN102182773B/en not_active Expired - Fee Related
-
2011
- 2011-12-26 HK HK11113935.8A patent/HK1159728A1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977115Y (en) * | 2006-08-03 | 2007-11-21 | 上海普英特高层设备有限公司 | Automatic cable-drawing device special for window cleaning machine |
| CN101248971A (en) * | 2008-04-17 | 2008-08-27 | 上海普英特高层设备有限公司 | Rack bar weight counterbalance operation type window wiping machine |
| CN201272624Y (en) * | 2008-08-18 | 2009-07-15 | 沈国才 | Eccentric wheel break type broken belt grasper |
| CN201271202Y (en) * | 2008-09-11 | 2009-07-15 | 北京凯博擦窗机械技术公司 | Electric rail-climbing device of window cleaning equipment for slope |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-318906A 2005.11.17 |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1159728A1 (en) | 2012-08-03 |
| CN102182773A (en) | 2011-09-14 |
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Address after: 201108 Shanghai, Minhang District Road, No. 1298 bottles Patentee after: Shanghai puyingte highrising building equipment Limited by Share Ltd Address before: 201108 Shanghai, Minhang District Road, No. 1298 bottles Patentee before: Shanghai Point Engineering Co., Ltd. |
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| 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: 20121219 Termination date: 20191201 |