CN101337641A - Wire rope breaking protector - Google Patents
Wire rope breaking protector Download PDFInfo
- Publication number
- CN101337641A CN101337641A CNA2008100688656A CN200810068865A CN101337641A CN 101337641 A CN101337641 A CN 101337641A CN A2008100688656 A CNA2008100688656 A CN A2008100688656A CN 200810068865 A CN200810068865 A CN 200810068865A CN 101337641 A CN101337641 A CN 101337641A
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- main shaft
- sleeve
- wire rope
- fixed hub
- bush
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Abstract
A wirerope-breaking protector belongs to rope-breaking protective devices and is characterized in that a brake block (13) and a compression screw (14) are mounted on a cone shaft above a main shaft (12); a side horse sleeve (2) is mounted on a sleeve (3) through coupling screws (4); the sleeve (3) is connected with a fixed bush (9); a swinging hammer (5) is mounted on a bracket (6); the bracket is fixed on a movable bush (9); the movable bush is connected with the main shaft through a key (10), and inserted in a ring-shaped groove of the fixed bush (9); and a steel ball (11) is mounted on a semicircular groove (17) below the main shaft. When the wirerope suddenly breaks, a lifting appliance is out of control and falls off, gives the rotating swinging hammer additional angular velocity, improves the centrifugal force of the swinging hammer, and causes the movable bush to generate upward axial movement; the steel ball (11) moves back along a channel (8) so as to remove the restrictions between the main shaft and the fixed bush and move upwards to match the side horse sleeve; and the brake block (13) on three equally divided briquettes on the cone shaft contracts towards the shaft core and clamps the wirerope (1), thus preventing the lifting appliance from falling off. The wirerope-breaking protector is suitable for such industries as building, coal mining, metallurgy, etc.
Description
Technical field:
The present invention relates to rope broken protector, particularly a kind of wire rope breaking protector.
Background technology:
Steel rope is the main tool for transmitting of object vertical transport, and it is flexible good, and function adaptability is strong, has purposes widely in industries such as building, colliery, metallurgy.But steel rope uses under the abominable outdoor conditions of environment usually, and the variable frequency height, and stress amplitude is complicated unusually, is easy to generate fracture of wire, disconnected strand even whole phenomenon of rupture, as improper use, brings serious threat to personal safety and property damage.Up to now, for preventing wire cable rupture, the effective and safe device that causes object to fall had become worldwide technological puzzle already.National departments concerned being used and safeguarding steel rope, has formulated strict standard, exceeds its specialized range, must force to scrap, and forbids to use.
Summary of the invention:
The object of the present invention is to provide a kind of wire rope breaking protector, utilize this broken rope protector, in the time of preventing wire cable rupture, suspender hangs thing and can not fall, and reaches the purpose of safe handling.
Formation of the present invention: by main shaft, the pommel horse cover, sleeve, get rid of hammer, support, loose bush, fixed hub, key, steel ball, slipper and screw are formed, slipper 13 and housing screw 14 are installed on the axis of cone above the main shaft 12, pommel horse cover 2 is installed on the sleeve 3 by attaching screw 4, endoporus cooperates with the main shaft upper end, sleeve 3 is connected with fixed hub 9, fixed hub cooperates with the main shaft lower end, getting rid of hammer 5 is installed on the support 6, support is fixed on the loose bush 7, loose bush is connected with main shaft by key 10 and is inserted in the annular groove of fixed hub, steel ball 11 is installed on the half slot below the main shaft 17, steel rope 1 is installed in main shaft 12.
The axis of cone that the top of main shaft 12 is made up of three briquettings, below the skewed slot 18 that installation slipper 13 is arranged on each briquetting and two installation housing screw 14 screws 15 main shafts 12 is cylindrical, keyway 16 and half slot 17 are arranged on cylinder, axial steel wire rope mounting hole 19 is arranged in the middle of main shaft.
The endoporus top of pommel horse cover 2 is the cylindrical holes that cooperate with main shaft 12 top cylinder cylindricals, and the below is a conical bore, and round ring boss is arranged on the cylindrical, and cylindrical hole and the taper hole relative with sleeve 3 tapped bore are arranged on boss.
Fixed hub 9 is cylindrical shapes, and the bottom has and sleeve 3 bonded assembly annular boss, and cylinder is formed by interior short and outer high, forms circular groove between the inner/outer tube, and plug-in mounting loose bush 7 in circular groove has steel ball passage 8 on short barrel bottom circular groove and the high barrel.
Two movable pulleys 21 are installed on suspender 22 side by side; on the suspender above the movable pulley 21 22, two broken rope protectors 20 are installed by fixed hub 9; steel rope 1 passes two broken rope protectors 20 and is enclosed within on two movable pulleys 21 installation suspension hook 23 below suspender 22.
Compared with the prior art, compact conformation of the present invention, simple installation through tens of simulation tests, obtains the data of proving of a large amount of steel rope motion stepped gearings, finally utilizes the material elevator drop test to obtain anti-fall success at the construction field (site).
When the suspender up-and-down movement, produce couple with the steel rope ingear main shaft upper end axis of cone, with the corresponding rotation of suspender speed,, also rotate synchronously attached to the hammer that gets rid of on the loose bush by link.Rupture as steel rope suddenly; cause suspender out of control; fall downwards with free acceleration/accel; aggravate the speed of relative movement of steel rope and suspender thus; and give to rotate thereupon get rid of the hammer an additional cireular frequency; this acceleration/accel has promoted the centnifugal force that gets rid of hammer; make loose bush produce axial motion upwards; thereby the steel ball moving conduit between unlatching main shaft below half slot and the fixed hub; this moment is attached to the relative motion of the fixed hub on the main shaft on the steel cable and the suspender that falls owing to power; impel steel ball to move backward along passage; and the constraint between releasing main shaft and the fixed hub; the axis of cone of main shaft top is overlapped with pommel horse on the suspender and is cooperated immediately; three five equilibrium briquettings shrink to the axle center immediately on the axis of cone, and the braking of briquetting coenvelope steel rope is also drawn in to the axle center soon thereupon, clamp steel rope; prevent that suspender from falling, play the effect of wire rope breaking protection.
Description of drawings:
Fig. 1 is a structural representation of the present invention, and Fig. 2 is main axle structure figure, and Fig. 3 is the A-A cutaway view of Fig. 2, and Fig. 4 is the screw cutaway view of Fig. 2, and Fig. 5 is the present invention and suspender scheme of installation.
1. steel ropes among the figure, 2. pommel horse cover, 3. sleeve, 4. attaching screw; 5. get rid of hammer, 6. support, 7. loose bush, 8. passage; 9. fixed hub, 10. key, 11. steel balls, 12. main shafts; 13. slipper, 14. housing screws, 15. screws, 16. keyways; 17. half slot, 18. skewed slots, 19. steel rope mounting holes, 20. broken rope protectors; 21. movable pulley, 22. suspenders, 23. suspension hooks.
The specific embodiment:
As shown in Figure 1, slipper 13 is installed on the skewed slot 18 of main shaft 12, housing screw 14 is installed on screw 15, pommel horse cover 2 is installed on the sleeve 3 by attaching screw 4, endoporus cooperates with main shaft 12 tops, sleeve 3 is connected with fixed hub 9, fixed hub cooperates with main shaft 12 belows, getting rid of hammer 5 is installed on the support 6, support 6 is fixed on the loose bush 7, and loose bush 7 is connected with main shaft 12 by key 10 and is inserted in the annular groove of fixed hub 9, and steel ball 11 is installed on the half slot 17 of main shaft 12, fixed hub 9 is cylindrical shapes, the bottom has and sleeve 3 bonded assembly annular boss, and cylinder is made up of interior short tube and outer high tube, forms circular groove between the inner/outer tube, plug-in mounting loose bush 7 in circular groove has steel ball passage 8 on short barrel bottom circular groove and the high barrel.
As Fig. 2, Fig. 3, shown in Figure 4, the axis of cone that the top of main shaft 12 is made up of three briquettings has skewed slot 18 and two screws 15 on each briquetting, the below of main shaft 12 is cylindrical, keyway 16 and half slot 17 are arranged on cylinder, axial steel wire rope mounting hole 19 is arranged in the middle of main shaft 12.
As shown in Figure 5; two movable pulleys 21 are installed on suspender 22 side by side; by fixed hub 9 two broken rope protectors 20 are installed on the suspender above the movable pulley 21 22, steel rope 1 passes two broken rope protectors 20 and is enclosed within on two movable pulleys 21 installation suspension hook 23 below suspender 22.
Principle of work: when the steel rope of 6 * 19 or 6 * 37 series is worn on movable pulley 21 and during linear running; as winch; the lifting of tower crane; in this device along the steel rope cross section uniform slipper 13 envelopes of 120 degree steel rope 1 and produce rotation; because drive connection; get rid of also rotation synchronously of hammer 5 in the device; if steel rope ruptures suddenly; suspender falls free-falling body downwards; the linear relative movement speed of steel rope sharply increases; get rid of the hammer rotating speed simultaneously and obtain acceleration/accel; produce centnifugal force; under the support of support 6; loose bush 7 is along main shaft 12 upward movements; thereby the moving conduit 8 between unlatching main shaft below half slot 17 and the fixed hub 9; steel ball 11 can be drawn back along the passage on the fixed hub 8; remove the constraint of steel ball; main shaft 12 upward movements; its top axis of cone and pommel horse overlap 2 taper holes and cooperatively interact; under the application force situation of the relative motion of steel rope and this device; the axis of cone briquetting of main shaft top inwardly shrinks; receipts are tight more more, at last suspender braked on the steel rope that the other end does not rupture, and realize the breaking rope protecting of steel rope.
Claims (5)
1. wire rope breaking protector; by main shaft; the pommel horse cover; sleeve; get rid of hammer; support; loose bush; fixed hub; key; steel ball; slipper and screw are formed; it is characterized in that: on the axis of cone of main shaft (12) top, slipper (13) and housing screw (14) are installed; pommel horse cover (2) is installed on the sleeve (3) by attaching screw (4); endoporus cooperates with the main shaft upper end; sleeve (3) is connected with fixed hub (9); fixed hub cooperates with the main shaft lower end; getting rid of hammer (5) is installed on the support (6); support is fixed on the loose bush (7); loose bush is connected with main shaft by key (10) and is inserted in the annular groove of fixed hub; half slot below main shaft (17) is gone up steel ball (11) is installed, and steel rope (1) is installed in main shaft (12).
2. wire rope breaking protector according to claim 1; it is characterized in that: the axis of cone that the top of main shaft (12) is made up of three briquettings; skewed slot (18) and two screws (15) that housing screw (14) is installed that installation slipper (13) are arranged on each briquetting; the below of main shaft (12) is cylindrical; keyway (16) and half slot (17) are arranged on cylinder, axial steel wire rope mounting hole (19) is arranged in the middle of main shaft.
3. wire rope breaking protector according to claim 1; it is characterized in that: the endoporus top of pommel horse cover (2) is the cylindrical hole that cooperates with main shaft (12) top cylinder cylindrical; the below is a conical bore; round ring boss is arranged on the cylindrical, on boss, have and relative cylindrical hole and the taper hole of sleeve (3) tapped bore.
4. wire rope breaking protector according to claim 1; it is characterized in that: fixed hub (9) is a cylindrical shape; the bottom has and sleeve (3) bonded assembly annular boss; cylinder is made up of interior short tube and outer high tube; form circular groove between the inner/outer tube; plug-in mounting loose bush (7) in circular groove has steel ball passage (8) on short barrel bottom circular groove and the high barrel.
5. wire rope breaking protector according to claim 1; it is characterized in that: two movable pulleys (21) are installed on suspender (22) side by side; go up by fixed hub (9) installation two broken rope protectors (20) at the suspender (22) of movable pulley (21) top; steel rope (1) passes two broken rope protectors (20) and is enclosed within on two movable pulleys (21), installation suspension hook (23) below suspender (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100688656A CN101337641A (en) | 2008-08-14 | 2008-08-14 | Wire rope breaking protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100688656A CN101337641A (en) | 2008-08-14 | 2008-08-14 | Wire rope breaking protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101337641A true CN101337641A (en) | 2009-01-07 |
Family
ID=40211836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100688656A Pending CN101337641A (en) | 2008-08-14 | 2008-08-14 | Wire rope breaking protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101337641A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723275A (en) * | 2009-12-04 | 2010-06-09 | 威海华东数控股份有限公司 | Dropproof protecting device |
| CN101830408A (en) * | 2010-05-27 | 2010-09-15 | 西安航天动力机械厂 | Chain breaking safety protective device for high-altitude lifter |
| CN102328872A (en) * | 2011-08-23 | 2012-01-25 | 张家港市安远钢结构有限公司 | Lifting appliance mounting structure |
| CN107930158A (en) * | 2017-11-11 | 2018-04-20 | 华强方特（芜湖）文化科技有限公司 | A kind of single-point crane system for possessing separation and protection mechanism |
| CN110498344A (en) * | 2018-05-20 | 2019-11-26 | 广州市震泓科技股份有限公司 | Same steel wire break-point self-locking control method and its safety |
| CN112110357A (en) * | 2020-09-16 | 2020-12-22 | 北京城建亚泰金典建设工程有限公司 | Material conveying device |
-
2008
- 2008-08-14 CN CNA2008100688656A patent/CN101337641A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723275A (en) * | 2009-12-04 | 2010-06-09 | 威海华东数控股份有限公司 | Dropproof protecting device |
| CN101723275B (en) * | 2009-12-04 | 2014-09-10 | 威海华东数控股份有限公司 | Dropproof protecting device |
| CN101830408A (en) * | 2010-05-27 | 2010-09-15 | 西安航天动力机械厂 | Chain breaking safety protective device for high-altitude lifter |
| CN102328872A (en) * | 2011-08-23 | 2012-01-25 | 张家港市安远钢结构有限公司 | Lifting appliance mounting structure |
| CN107930158A (en) * | 2017-11-11 | 2018-04-20 | 华强方特（芜湖）文化科技有限公司 | A kind of single-point crane system for possessing separation and protection mechanism |
| CN107930158B (en) * | 2017-11-11 | 2023-11-17 | 华强方特（芜湖）文化科技有限公司 | Single-point suspension system with separation and protection mechanism |
| CN110498344A (en) * | 2018-05-20 | 2019-11-26 | 广州市震泓科技股份有限公司 | Same steel wire break-point self-locking control method and its safety |
| CN112110357A (en) * | 2020-09-16 | 2020-12-22 | 北京城建亚泰金典建设工程有限公司 | Material conveying device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090107 |