CN101723275B - Dropproof protecting device - Google Patents
Dropproof protecting device Download PDFInfo
- Publication number
- CN101723275B CN101723275B CN200910252270.0A CN200910252270A CN101723275B CN 101723275 B CN101723275 B CN 101723275B CN 200910252270 A CN200910252270 A CN 200910252270A CN 101723275 B CN101723275 B CN 101723275B
- Authority
- CN
- China
- Prior art keywords
- fixed
- sprocket wheel
- axle
- dropproof
- shaft
- 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.)
- Expired - Fee Related
Links
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a dropproof protecting device, belonging to the high-altitude lifting equipment field. The dropproof protecting device is provided with a chain wheel, wherein the chain wheel is arranged on a shaft through bearings, one end of the shaft is fixed with a support body through keys, the outside surface of the chain wheel is fixed with a disk through bolts, the upper plate body and lower plate body of a centrifugal plate are separately hinged with the side surface of the disk through connection screws, a threaded sleeve is screwed and fixed in the cavity of the shaft through nuts, a rod is inserted in the threaded sleeve, one end of the rod passes through the threaded sleeve and is provided with a baffle plate, the baffle plate is in friction fit with the outside surface of the centrifugal plate, the other end of the rod is arranged on the inside of the support body and is provided with a roller, an inclined plane is processed on the outside wall of the support body, a wedge region is formed between the inclined plane and the inside surface of the chain wheel, a tension spring is pressed into the rod of the cavity of the shaft, and one end of the tension spring is fixed on a nut. When a weight in the high altitude suddenly falls down, the invention can automatically run and effectively prevent the slide.
Description
Technical field
The present invention relates to jacking equipment field, high-altitude, at length say it is the Dropproof protecting device of a kind of high-altitude jacking equipment.
Background technology
As everyone knows, aloft work at present, always is the industry that exists certain hidden danger, and existing safeguard procedures are mainly single protection, except special requirement, seldom carries out secondary protection.The cage lifter of the use of freighting from construction trade, to our elevator of taking every day in life, all exists potential safety hazard.In machine industry, for the Lift Part on lathe, Lift Part is as a rule the major part of lathe in lathe, it is its most crucial moving cell, properly protect particularly important, in the situation that high-altitude weight falls suddenly, can not carry out actv. and stop downslide, thereby the safety of life and property has been caused to hidden danger.
Summary of the invention
In order to overcome the deficiencies in the prior art; the invention provides a kind of Dropproof protecting device; for high-altitude application has been realized safe guarantee; there is safe and reliable feature; in the situation that falling suddenly, generation high-altitude weight can automatically move; carry out actv. and stop and glide, falling object is produced to protective effect, the operation that Lift Part can freedom and flexibility under normal operation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Dropproof protecting device, be provided with sprocket wheel, sprocket wheel is arranged on axle by bearing, one end of axle is fixed through key and stake body, the lateral surface of sprocket wheel is fixed together through bolt and disk, the upper plate body of centrifugal plate and lower body are hinged at respectively the side end face of disk through attaching screw, in the cavity of uranium, screw and be fixed with screw thread bush through nut, bar is inserted in screw thread bush, one end of bar is through screw thread bush and catch is installed, the lateral surface friction fit of catch and centrifugal plate, the other end of bar is positioned at stake body inner side and roller is installed, on stake body lateral wall, be processed with inclined-plane, shape wedge area between this inclined-plane and the medial surface of sprocket wheel, be positioned on the bar of axle inner chamber and be pressed with tension spring, tension spring one end is fixed on nut.
The invention has the beneficial effects as follows; simple in structure; for high-altitude application has been realized safe guarantee; there is safe and reliable feature; in the situation that falling suddenly, generation high-altitude weight can automatically move; carry out actv. and stop and glide, falling object is produced to protective effect, the operation that Lift Part can freedom and flexibility under normal operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1, use constitution diagram of the present invention.
Fig. 2, structural representation of the present invention.
1. centrifugal plates in figure, 2. chain, 3. Lift Part, 4. bottom roller, 5. disk, 6. sprocket wheel, 7. attaching screw, 8. spacer, 9. bearing, 10. pad, 11. stake bodies, 12. striking plates, 13. circular nuts, 14. keys, 15. end caps, 16. axles, 17. screw thread bushs, 18. bars, 19. nuts, 20. tension springs, 21. rollers, 22. spring cotters, 23. catch.
Detailed description of the invention
In Fig. 1, Fig. 2, the present invention forms a closed loop system through sprocket wheel 6 and chain 2, bottom roller 4 and Lift Part 3.The present invention is provided with sprocket wheel 6, sprocket wheel 6 is arranged on axle 16 by two groups of bearings 9, on axle 16 between two groups of bearings 9, be set with spacer 8, one end of axle 16 is fixing with stake body 11 and striking plate 12 through key 14, on the axle 16 of striking plate 12 inner sides, be installed with circular nut 13, on axle 16 between stake body 11 and sprocket wheel 6, be set with pad 10, the lateral surface of sprocket wheel 6 is fixed together through bolt and disk 5, the upper plate body of disc-shape centrifugal plate 1 and lower body are hinged at respectively the side end face of disk 5 through attaching screw 7, in the cavity of uranium 16, screw and be fixed with screw thread bush 17 through nut 19, bar 18 is inserted in screw thread bush 17, one end of bar 18 is through screw thread bush 17 and catch 23 is installed, the lateral surface friction fit of catch 23 and centrifugal plate 1, the other end of bar 18 is positioned at stake body 11 inner sides and roller 21 is installed, spring cotter 22 is positioned at roller 21 on bar 18, on stake body 11 lateral walls, be processed with inclined-plane, between the medial surface of this inclined-plane and sprocket wheel 6, form wedge area, be positioned on the bar 18 of axle 16 inner chambers and be pressed with tension spring 20, tension spring 20 one end are fixed on nut 19, on the inner chamber of axle 16 ends, be fitted with end cap 15.
The present invention when acceleration/accel less, or under uniform speed motion state, sprocket wheel 6 passes through bearing 9, spacer 8z around axle 16 normal rotation under the drive of chain 2, and axle 16 is fixed on stake body 11 through key 14, together with sprocket wheel 6 is bolted with disk 5, and drive centrifugal plate 1 together to move.Due to the effect of friction force, the motion of centrifugal plate 1 makes catch 23 driven rods 18 have the movement tendency of rotation, stops the action of rotation under the combined action of end cap 15, screw thread bush 17, nut 19, tension spring 20, and package unit is normally worked.In the time that Lift Part 3 falls rapidly, can produce instantaneous acceleration/accel, in the time that acceleration/accel reaches a certain size, under the effect of centnifugal force, between the upper plate body of centrifugal plate 1 and lower body, can open rapidly, promote catch 23 and travel forward, catch 23 driven rods 18 and roller above 21 move simultaneously, and roller 21 moves to stake body 11 inner sides, enter the wedge area between stake body 11 lateral walls and sprocket wheel 6 medial surfaces, under the turning effort of sprocket wheel 6, final wedging is until sprocket wheel 6 stop motions.
Claims (1)
1. a Dropproof protecting device, be provided with sprocket wheel, it is characterized in that: sprocket wheel is arranged on axle by bearing, one end of axle is fixed through key and stake body, the lateral surface of sprocket wheel is fixed together through bolt and disk, the upper plate body of centrifugal plate and lower body are hinged at respectively the side end face of disk through attaching screw, in the cavity of axle, screw and be fixed with screw thread bush through nut, bar is inserted in screw thread bush, one end of bar is through screw thread bush and catch is installed, the lateral surface friction fit of catch and centrifugal plate, the other end of bar is positioned at stake body inner side and roller is installed, on stake body lateral wall, be processed with inclined-plane, shape wedge area between this inclined-plane and the medial surface of sprocket wheel, be positioned on the bar of axle inner chamber and be pressed with tension spring, tension spring one end is fixed on nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252270.0A CN101723275B (en) | 2009-12-04 | 2009-12-04 | Dropproof protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252270.0A CN101723275B (en) | 2009-12-04 | 2009-12-04 | Dropproof protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101723275A CN101723275A (en) | 2010-06-09 |
| CN101723275B true CN101723275B (en) | 2014-09-10 |
Family
ID=42444942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910252270.0A Expired - Fee Related CN101723275B (en) | 2009-12-04 | 2009-12-04 | Dropproof protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101723275B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535924B (en) * | 2012-01-13 | 2014-06-11 | 河南省盛茂永代机械制造有限责任公司 | Chain type falling protector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337641A (en) * | 2008-08-14 | 2009-01-07 | 贵州建工集团总公司 | Wire rope breaking protector |
| CN201201890Y (en) * | 2008-03-04 | 2009-03-04 | 利达光电股份有限公司 | Anti-falling apparatus of lift truck |
| CN201605120U (en) * | 2009-12-04 | 2010-10-13 | 威海华东数控股份有限公司 | Falling protection fuse device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100402110B1 (en) * | 2001-09-12 | 2003-10-17 | 주식회사 고려호이스트 | safety device for air balancing hoist |
| US7097156B2 (en) * | 2004-03-25 | 2006-08-29 | Korea Hoist Co., Ltd. | Safety device of air balancing hoist |
-
2009
- 2009-12-04 CN CN200910252270.0A patent/CN101723275B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201201890Y (en) * | 2008-03-04 | 2009-03-04 | 利达光电股份有限公司 | Anti-falling apparatus of lift truck |
| CN101337641A (en) * | 2008-08-14 | 2009-01-07 | 贵州建工集团总公司 | Wire rope breaking protector |
| CN201605120U (en) * | 2009-12-04 | 2010-10-13 | 威海华东数控股份有限公司 | Falling protection fuse device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101723275A (en) | 2010-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140910 Termination date: 20191204 |