CN2103540U - Device for prevent falling of elevator - Google Patents
Device for prevent falling of elevator Download PDFInfo
- Publication number
- CN2103540U CN2103540U CN 91226988 CN91226988U CN2103540U CN 2103540 U CN2103540 U CN 2103540U CN 91226988 CN91226988 CN 91226988 CN 91226988 U CN91226988 U CN 91226988U CN 2103540 U CN2103540 U CN 2103540U
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- China
- Prior art keywords
- wedge
- steel tongue
- fall device
- cross
- steel
- 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.)
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Abstract
The utility model discloses a device for preventing an elevator from falling, having the functions of protection when the rope breaks and self locking when the door is opened. One pair of stage plates are fixedly connected to a pair of corner posts of the derrick every a certain distance, the drag wire rope is connected with the sinking platform through a wedge body, the wedge body is arranged at the middle part of the crossarm whose two ends are movably connected with a steel tongue, and the crossarm is connected with the cage frame on the sinking platform through a buffer. The extending and shrinking of the steel tongue is controlled by the push rod arranged between the wedge body and the steel tongue, and the goal of falling preventing is achieved. Simultaneously, a robe pulling wheel which can move with the opening and closing of the material getting door is arranged on the cage frame, and the function of self locking can be achieved through the connection of the self locking steel wire and the steel tongue. The utility model has the advantage of reliable falling preventing performance, which can be widely uses on the existing elevator with a derrick structure.
Description
The utility model relates to a kind of anti-dropping safety device of derrick formula gig.
Existing derrick formula lift system is made guide rail with pipe, and the anti-fall device that adopts similar patent application 90214293.3 described structures as safety guard more.The structural principle of this device is, when steel rope disconnects suddenly, releases the tongue bar by the screen resilience of spring, stretch in the web member of derrick, thus the whereabouts of preventing hanging scaffold.Because this device do not consider that hanging scaffold loading center of gravity and suspension centre not necessarily are positioned on the same vertical line, restrict in case break, hanging scaffold just can be because of centre-of gravity shift rotates, make the tongue bar that stretches out can not the web member of fall on same level on, cause braking failure.The hanging scaffold drop is big during simultaneously owing to disconnected rope, and its momentum causes derrick to be subjected to sizable destruction.In addition, stop also traditional pernetti need be installed when layer unloads thing at gig, to prevent the hanging scaffold tenesmus.
The purpose of this utility model is to keep on the basic basis of invariable of former derrick geometry, provides a kind of anti-fall reliable, little to the derrick impact, has the gig anti-fall device of the auto-lock function that opens the door again concurrently.
The utility model is achieved in that on a pair of diagonal angle of the original derrick of gig corner post every the identical step of the fixed a pair of level height of a segment distance.On hanging scaffold, erect a cage.With the corresponding cage drift angle of the corner post of fixed step on a fixed pair cross-section up-small and down-big arc track.The haulage cable of gig is connected with a up big and down small wedge by suspension rod.The built-in sleeve of wedge, suspension rod is connected the sleeve top.Having the T shape suspension rod of outer casing spring to pass the wedge bottom in the sleeve is connected with hanging scaffold.Wedge places the middle part of a cross-arm, and the cross-arm two ends become to flexibly connect with the steel tongue by bearing pin.A push rod is installed between wedge and steel tongue, and an end of push rod has end to take turns the bottom that leans at wedge.The push rod outer casing spring passes locating piece and places in the cross-arm.Downside in the steel tongue is provided with anchor plate.Cross-arm is connected with arc track by energy disperser.The suspension rod that outer casing spring is arranged in the energy disperser, its end is stuck in the arc track.Be provided with and can open and close the lead wheel that moves up and down with getting bin gate being positioned on the cage crossbeam of hanging scaffold above getting, self-locking steel wire one terminates on the lead wheel, and the other end is connected the top of steel tongue through assembly pulley.When gig normally moved, haulage cable traction sleeve rose together with wedge, and the spring in the sleeve is in compressive state.The push rod end wheel of cross-arm is pushed down the most advanced and sophisticated position of wedge bottom, and the steel tongue is hang.In case disconnected rope, the recoil of spring in the sleeve resets, and the relative cross-arm displacement of wedge descends, and push rod end wheel is rolled into wedge top from the wedge tip, and push rod outwards ejects the steel tongue, rests on the corner post step, thereby plays brake action to the tenesmus hanging scaffold.Because the power of hanging scaffold tenesmus is at first to pass to cross-arm by the pressure spring in the energy disperser, passes on the derrick corner post step by the steel tongue again, thereby can alleviate impact greatly derrick.Open the door when unloading thing when hanging scaffold need stop layer in normal course of operation, doorframe rises, and touches the lead wheel on the cage, and it is upwards slided.Connected self-locking steel wire, rests on the corner post step the perk of steel tongue through pulley, thereby plays the effect of the self-locking of opening the door.
Fig. 1 is a general illustration of the present utility model;
Fig. 2 is the part sectional view of anti-fall device under the disconnected rope form attitude.
Further specify concrete structure of the present utility model below in conjunction with drawings and Examples.
On former derrick, select a pair of diagonal angle corner post (1), be symmetrically welded a pair of step (2) every a segment distance, spacing for the 40-60 millimeter for well.Go up setting 4 root posts and 4 crossbeams composition cages (14) at hanging scaffold (13), at cage and each fixed a pair of guide wheel that slides along the gig guide rail of hanging scaffold both sides.Original guide wheel is monolateral pinch roller, and is more stable for the service direction that makes hanging scaffold, changes monolateral pinch roller into bilateral arc clip wheel (12).The arc track (10) that is convex shape at the fixed pair cross-section in the top of cage (14).Cross-arm (4) is connected on the arc track (10) by energy disperser (9).Energy disperser (9) is made up of cover (30), base plate (31), spring (27), screw rod (28), upper padding plate (29), lower bolster (32).Cover (30) and base plate (31) are welded on the cross-arm (4).Be with spring (27) on the screw rod, place in the cover (30), its end is passed base plate (31) and is stretched into arc track (10), is stuck in the track by lower bolster (32).Wedge (6) places the middle part of whippletree (4), built-in sleeve (26), and sleeve (26) upper end connects with the suspension rod that is connected haulage cable (7).The built-in T shape of sleeve suspension rod (8) is with spring (24) on the suspension rod.For preventing the long-term deformation in compression of spring, locating part (25) is set preferably in sleeve (26).The two ends of cross-arm (4) become to flexibly connect with steel tongue (3) by bearing pin (18).Establish anchor plate (18) at the downside of steel tongue (3), the supporting-point after the steel tongue stretches out during as disconnected rope is to alleviate the pressure to bearing pin.Can automatically regulating for the extension elongation that makes the steel tongue, having on steel tongue (3) can be along the slotted hole (33) of pin slide, and is provided with limiting stopper (20) in the upside of steel tongue.Between wedge (6) and steel tongue (3), push rod (21) is housed, leans on an end of wedge that end wheel (5) is housed.Be with spring (23) on the push rod (21), the hole of passing the locating piece (22) that is cemented on the cross-arm base plate places in the cross-arm.Step (2) on steel tongue (3) the aligning corner post of guaranteeing the cross-arm two ends also is welded with spacing reinforcing bar (11) on the connecting panel of corner post (1).The self-locking mechanism that opens the door of hanging scaffold comprises lead wheel (5), assembly pulley (16), self-locking steel wire (15) and steel tongue (2).Lead wheel (5) is fixed on and is positioned on the cage crossbeam of getting the bin gate top, can slide up and down along axle with the switching of door.Self-locking steel wire (15) one ends are connected on the lead wheel (5), and the other end is connected through the top of assembly pulley (16) with steel tongue (3).
The utility model has the advantage of:
1, anti-falling structure is safe and reliable, and the drop in hanging scaffold when braking tenesmus is little, and is provided with buffer, when can greatly alleviate disconnected rope tenesmus to the impact of derrick.
2, have the breaking rope protecting and the two kinds of functions of self-locking of opening the door simultaneously, can cancel traditional pernetti device.
3, need not to change original derrick geometry, can be widely used on the old derrick formula gig.
Claims (8)
1, a kind of anti-fall device of gig is characterized in that:
A, on a pair of corner post of derrick every the identical step of the fixed a pair of level height of a segment distance, on hanging scaffold, erect a cage, with the corresponding cage drift angle of the corner post of fixed step on the up-small and down-big arc track of a fixed pair cross-section;
B, haulage cable are connected with a up big and down small wedge by suspension rod, the built-in sleeve of wedge, and suspension rod is connected the sleeve top, has the T shape suspension rod of outer casing spring to pass the wedge bottom in the sleeve and is connected with hanging scaffold;
C, wedge place the middle part of a cross-arm, and the cross-arm two ends become to flexibly connect with the steel tongue by bearing pin, between wedge and steel tongue push rod are housed, push rod one end has end to take turns the bottom that leans at wedge, the push rod outer casing spring passes locating piece and places in the cross-arm, and the downside of steel tongue is provided with anchor plate;
D, cross-arm are connected with arc track by energy disperser, and the suspension rod of outer casing spring is arranged in the energy disperser, and its end is stuck in the arc track;
E, the lead wheel that can move up and down with the switching of door is set being positioned on the cage crossbeam of getting above the bin gate, self-locking steel wire one terminates on the lead wheel, and the other end is connected the top of steel tongue through assembly pulley.
2, anti-fall device according to claim 1, it is characterized in that having on the steel tongue can be along the slotted hole of pin slide.
3, anti-fall device according to claim 1, the optimal spacing that it is characterized in that step is the 40-60 millimeter.
4, anti-fall device according to claim 1 is characterized in that at cage and hanging scaffold both sides bilateral arc clip wheel being housed.
5, anti-fall device according to claim 1 is characterized in that being provided with locating part in the sleeve of wedge.
6, anti-fall device according to claim 1 is characterized in that being welded with spacing reinforcing bar on the connecting panel of the corner post of fixed step.
7, anti-fall device according to claim 1, the cross sectional shape that it is characterized in that arc track is a convex shape.
8, anti-fall device according to claim 1 and 2 is characterized in that being provided with limiting stopper at the upside of steel tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91226988 CN2103540U (en) | 1991-10-16 | 1991-10-16 | Device for prevent falling of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91226988 CN2103540U (en) | 1991-10-16 | 1991-10-16 | Device for prevent falling of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2103540U true CN2103540U (en) | 1992-05-06 |
Family
ID=4932964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91226988 Granted CN2103540U (en) | 1991-10-16 | 1991-10-16 | Device for prevent falling of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2103540U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417131A (en) * | 2011-08-08 | 2012-04-18 | 三一重型装备有限公司 | Lifting rescue capsule lifting and cable breakage protection device and lifting rescue capsule |
| CN102431865A (en) * | 2011-09-30 | 2012-05-02 | 北京联合大学 | Fall prevention mechanism of elevator and elevator equipped with same |
| CN112027856A (en) * | 2020-09-15 | 2020-12-04 | 李武 | Elevator lifting safe operation system |
| CN112225031A (en) * | 2020-09-10 | 2021-01-15 | 陈和东 | Automatic locking method for preventing elevator from falling |
| CN115282920A (en) * | 2022-08-03 | 2022-11-04 | 安徽益沣石化有限公司 | Water washing tank used after alkali washing step in carbon four production |
-
1991
- 1991-10-16 CN CN 91226988 patent/CN2103540U/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417131A (en) * | 2011-08-08 | 2012-04-18 | 三一重型装备有限公司 | Lifting rescue capsule lifting and cable breakage protection device and lifting rescue capsule |
| CN102417131B (en) * | 2011-08-08 | 2013-11-06 | 三一重型装备有限公司 | Lifting rescue capsule lifting and cable breakage protection device and lifting rescue capsule |
| CN102431865A (en) * | 2011-09-30 | 2012-05-02 | 北京联合大学 | Fall prevention mechanism of elevator and elevator equipped with same |
| CN102431865B (en) * | 2011-09-30 | 2013-11-13 | 北京联合大学 | Fall prevention mechanism of elevator and elevator equipped with same |
| CN112225031A (en) * | 2020-09-10 | 2021-01-15 | 陈和东 | Automatic locking method for preventing elevator from falling |
| CN112027856A (en) * | 2020-09-15 | 2020-12-04 | 李武 | Elevator lifting safe operation system |
| CN112027856B (en) * | 2020-09-15 | 2021-10-22 | 周胡琴 | Elevator lifting safe operation system |
| CN115282920A (en) * | 2022-08-03 | 2022-11-04 | 安徽益沣石化有限公司 | Water washing tank used after alkali washing step in carbon four production |
| CN115282920B (en) * | 2022-08-03 | 2023-05-16 | 安徽益沣石化有限公司 | Water washing tank used after alkaline washing step in carbon four production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |