CN203998745U - The tower machine suspension hook disconnected rope anti-drop device of rushing to summit - Google Patents
The tower machine suspension hook disconnected rope anti-drop device of rushing to summit Download PDFInfo
- Publication number
- CN203998745U CN203998745U CN201420389573.3U CN201420389573U CN203998745U CN 203998745 U CN203998745 U CN 203998745U CN 201420389573 U CN201420389573 U CN 201420389573U CN 203998745 U CN203998745 U CN 203998745U
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- China
- Prior art keywords
- suspension hook
- pulley
- hook
- summit
- groove
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Abstract
The utility model discloses a kind of device that prevents that tower machine suspension hook from rushing to summit and falling after disconnected rope.This device comprises suspension hook and is arranged on the dolly of suspension hook top, side direction at described suspension hook is provided with at least one first pulley, in the both sides of dolly, be respectively equipped with the second pulley and the 3rd pulley, steel rope is walked around respectively described the first pulley, the second pulley and the 3rd pulley, wherein, on described suspension hook, offer draw-in groove, when described dolly bottom-hinged has suspension hook to rush to summit, can block the hook of draw-in groove.This device, in the situation that the dead space switch that hoists lost efficacy or hoist zero span brake inefficacy, has the effect that prevents that suspension hook from falling, and simple in structure, possesses practicality.
Description
Technical field
The utility model relates to tower machine technology, is specifically related to a kind of tower machine suspension hook disconnected rope anti-drop device of rushing to summit.
Background technology
suspension hook is requisite suspender in tower crane.Suspension hook is suspended on by means of tractive pulley element on the steel rope of lifting mechanism, and steel rope is on a plurality of pulleys, and hoisting crane completes the movement of lifting object by the rotation of the pulley that arranges on dolly slide rail.Especially in the situation that the dead space switch that hoists lost efficacy or hoist zero span brake inefficacy, suspension hook is rushed to summit, be that suspension hook rises and to cross spacing bumping against on arm assembly pulley or reel, and steel rope is in use procedure for a long time, the wearing and tearing that cause due to friction, easily produce under external force fracture, after suspension hook is rushed to summit, very likely break steel rope, gib head and lifting object drop, also broken pulley be may squeeze, equipment breakdown or human casualty accident caused.
Utility model content
The utility model provides a kind of device that prevents that tower machine suspension hook from rushing to summit and falling after disconnected rope.
The utility model scheme is as follows: the tower machine suspension hook disconnected rope anti-drop device of rushing to summit, comprise suspension hook and the dolly that is arranged on suspension hook top, side direction at described suspension hook is provided with at least one first pulley, in the both sides of dolly, be respectively equipped with the second pulley and the 3rd pulley, steel rope is walked around respectively described the first pulley, the second pulley and the 3rd pulley, wherein, on described suspension hook, offer draw-in groove, when described dolly bottom-hinged has suspension hook to rush to summit, can block the hook of draw-in groove.
The beneficial effects of the utility model: in the situation that the dead space switch that hoists lost efficacy or hoist zero span brake inefficacy, suspension hook can promote always until the dolly bottom of rushing to summit, the hook that dolly bottom arranges will block the draw-in groove of offering on suspension hook, and then stable firmly suspension hook, like this after suspension hook is rushed to summit, even wire cable rupture, suspension hook does not fall down yet, causes the accident.
Further, described hook bottom is provided with to bend inwards blocks the hook of draw-in groove, and the outside of hook has outward-dipping from top to bottom inclined-plane.It is more solid and reliable that the hook arranging by hook bottom blocks draw-in groove, and by the outward-dipping inclined-plane from top to bottom of hook arranged outside, making suspension hook increase rushes to summit in process, when suspension hook top contacts with hook bottom, can first back down easily hook, make to link up with outer pendulum, until draw-in groove height and position is with hook height and position when consistent, in hook, pendulum blocks draw-in groove.
Further, the first described pulley has two, and horizontal Tile is arranged at the homonymy of suspension hook, and two the first pulleys are symmetrical set along described draw-in groove.Adopt two the first pulley horizontal Tiles to arrange, stable when suspension hook promotes, further make two the first pulleys be symmetrical set along described draw-in groove, can prevent from linking up with suspension hook run-off the straight skidding while blocking draw-in groove.
Further, the inner side on hook top is provided with projection, and when suspension hook is rushed to summit, projection can be withstood in suspension hook draw-in groove top, and the hinge of linking up with of take is axle, impels hook to hook into draw-in groove rapidly, and locked.
Accompanying drawing explanation
Fig. 1 is the rush to summit structural representation of disconnected rope anti-drop device embodiment of the utility model tower machine suspension hook;
Fig. 2 is the A-A cutaway view of Fig. 1 embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The disconnected rope anti-drop device of rushing to summit of tower machine suspension hook as shown in Figure 1 and Figure 2, comprise suspension hook 1 and the dolly 2 that is arranged on suspension hook 1 top, homonymy at suspension hook 1 is provided with the first pulley 3 that two horizontal Tiles arrange, dolly 2 is arranged on the slide rail of tower machine, in the both sides of dolly 2, be respectively equipped with the second pulley 4 and the 3rd pulley 5, steel rope 8 is walked around respectively the first pulley 3, the second pulley 4 and the 3rd pulley 5.
On suspension hook 1, offer draw-in groove 7, draw-in groove 7 upper end cell wall levels or be outward-dipping from top to bottom inclined-plane, this example is draw-in groove 7 upper end cell wall levels preferably, and in this example, two the first pulleys are symmetrical set along described draw-in groove; In dolly 2 bottoms, by hinge 9, be hinged with the hook 6 that can block draw-in groove 7 when suspension hook 1 is rushed to summit, concrete, the structure of hook 6 is: in hook 6 bottoms, be provided with to bend inwards and block the hook 61 of draw-in groove, hook 61 is taper, the outside of hook 61 has outward-dipping from top to bottom inclined-plane 62, the inner side of hook 61 has the surface of level or has the inclined-plane with draw-in groove 7 upper end cell walls with same tilt angle, this example preferably inner side of hook 61 is horizontal surface 63, and the inner side on hook 6 tops is provided with projection 64.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; do not departing under the prerequisite of the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (4)
1. the tower machine suspension hook disconnected rope anti-drop device of rushing to summit, comprise suspension hook and the dolly that is arranged on suspension hook top, side direction at described suspension hook is provided with at least one first pulley, in the both sides of dolly, be respectively equipped with the second pulley and the 3rd pulley, steel rope is walked around respectively described the first pulley, the second pulley and the 3rd pulley, it is characterized in that, on described suspension hook, offer draw-in groove, when described dolly bottom-hinged has suspension hook to rush to summit, can block the hook of draw-in groove.
2. the tower machine suspension hook according to claim 1 disconnected rope anti-drop device of rushing to summit, is characterized in that, described hook bottom is provided with to bend inwards blocks the hook of draw-in groove, and the outside of hook has outward-dipping from top to bottom inclined-plane.
3. the tower machine suspension hook according to claim 1 disconnected rope anti-drop device of rushing to summit, is characterized in that, the first described pulley has two, and horizontal Tile is arranged at the homonymy of suspension hook, and two the first pulleys are symmetrical set along described draw-in groove.
4. the tower machine suspension hook according to claim 1 disconnected rope anti-drop device of rushing to summit, is characterized in that, in the upper inner of described hook, is provided with projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389573.3U CN203998745U (en) | 2014-07-15 | 2014-07-15 | The tower machine suspension hook disconnected rope anti-drop device of rushing to summit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389573.3U CN203998745U (en) | 2014-07-15 | 2014-07-15 | The tower machine suspension hook disconnected rope anti-drop device of rushing to summit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203998745U true CN203998745U (en) | 2014-12-10 |
Family
ID=52038776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389573.3U Expired - Fee Related CN203998745U (en) | 2014-07-15 | 2014-07-15 | The tower machine suspension hook disconnected rope anti-drop device of rushing to summit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203998745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946528A (en) * | 2018-08-02 | 2018-12-07 | 芜湖英特杰智能科技有限公司 | A kind of derrick crane trolley rope broken protector |
| CN113697678A (en) * | 2021-09-01 | 2021-11-26 | 山东中诚机械租赁有限公司 | Broken rope anti-falling system of lifting hook |
-
2014
- 2014-07-15 CN CN201420389573.3U patent/CN203998745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946528A (en) * | 2018-08-02 | 2018-12-07 | 芜湖英特杰智能科技有限公司 | A kind of derrick crane trolley rope broken protector |
| CN113697678A (en) * | 2021-09-01 | 2021-11-26 | 山东中诚机械租赁有限公司 | Broken rope anti-falling system of lifting hook |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |