CN107128824A - The anti-suspension hook of derrick crane is rushed to summit falling protecting device - Google Patents
The anti-suspension hook of derrick crane is rushed to summit falling protecting device Download PDFInfo
- Publication number
- CN107128824A CN107128824A CN201710451614.5A CN201710451614A CN107128824A CN 107128824 A CN107128824 A CN 107128824A CN 201710451614 A CN201710451614 A CN 201710451614A CN 107128824 A CN107128824 A CN 107128824A
- Authority
- CN
- China
- Prior art keywords
- tie
- arm
- seat
- hook
- rotating 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/92—Snubbers or dashpots for preventing backwards swinging of jibs, e.g. in the event of cable or tackle breakage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
Rushed to summit falling protecting device the invention discloses a kind of anti-suspension hook of derrick crane; the protection device installed in the movable arm-tie of loading trolley frame bottom with the fixation arm-tie at the top of hook gear by constituting; the movable arm-tie includes seat board, spring base, rotating shaft, rotating shaft cover for seat, hook-shaped arm-tie, guide spiro rod, little spring and the first double nut for adjusting and locking, and the fixed arm-tie includes arm-tie seat, splayed configuration arm-tie, big spring, the guide rod with the shaft shoulder, is oriented to cover for seat and the second double nut for adjusting and locking.The present invention in hook gear ascending motion because of out of control continue up when, the plate hook of movable arm-tie of the fixation arm-tie on its top through trolley frame lower end is oriented to, into the inner chamber of movable arm-tie, the dynamic loading rushed to summit using spring effect effectively prevent suspension hook and rush to summit the generation of falling accident.
Description
Technical field
The present invention relates to the safety device of crane, more particularly to a kind of anti-suspension hook of derrick crane is rushed to summit falling guard dress
Put.
Background technology
The derrick crane of horizontal boom loading trolley luffing is to prevent when crampon from rising to extreme higher position and carry
Weight dolly bottom impacts, set hoisting limiter, according to the regulation of relevant criterion, to carriage amplitude varying on lifting mechanism
When the minimum range of trolley frame bottom is raised at the top of tower crane, hook gear at 800mm, raising motion should be able to be stopped immediately,
But there should be descending motion.And in the actual moving process of tower crane, there is hoisting limiter failure, driver fails in time again
Stop the ascending motion of suspension hook, will be formed to collide with trolley frame bottom at the top of hook gear and rushed to summit, hoist rope is often
Be pulled off because rushing to summit, suspension hook together with lifting weight from high falling, its consequence is very serious.It is this because suspension hook is rushed to summit raising
The suspension hook falling accident that steel wire rope breaks initiation happens occasionally in construction site.
The content of the invention
It is an object of the invention to overcome the problem above that prior art is present, there is provided a kind of anti-suspension hook punching of derrick crane
Falling protecting device is pushed up, to prevent falling accident of rushing to summit.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of anti-suspension hook of derrick crane is rushed to summit falling protecting device, and the protection device is by the work installed in loading trolley frame bottom
Dynamic arm-tie is constituted with the fixation arm-tie at the top of hook gear, and the movable arm-tie includes seat board, spring base, rotating shaft, turned
Axle bed set, hook-shaped arm-tie, guide spiro rod, little spring and the first double nut for adjusting and locking, the bottom weldering of the seat board
A rotating shaft cover for seat is connected to, the plate body bottom of the hook-shaped arm-tie is welded with two rotating shaft cover for seat, is fixedly arranged in the middle of guide spiro rod, described
Rotating shaft insertion rotating shaft cover for seat formation is hinged, and the little spring is sheathed on guide spiro rod, and is passed through the elliptical aperture of spring base and worn
Cross part and screw in the first double nut；The fixed arm-tie includes arm-tie seat, splayed configuration arm-tie, big spring, the guiding with the shaft shoulder
Bar, guiding cover for seat and the second double nut for adjusting and locking, the arm-tie and guiding cover for seat are welded on arm-tie seat, and in
Portion is equipped with the jack being engaged with guide rod, and the big spring is sheathed on guide rod, and the guide rod is through arm-tie and leads
Jack in the middle part of to cover for seat and through part the second double nut locking.
Further, the plate body of the hook-shaped arm-tie welds the inverted T-type structure of angle at 45 ° with plate hook group.
The beneficial effects of the invention are as follows：
The present invention in suspension hook ascending motion because of out of control continue up when, the activity of the fixation arm-tie through trolley frame lower end on its top
The plate hook of arm-tie is oriented to, and into the inner chamber of movable arm-tie, the dynamic loading rushed to summit using spring effect effectively prevent suspension hook
Rush to summit the generation of falling accident.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the movable arm-tie of the present invention；
Fig. 3 is the structural representation of the fixation arm-tie of the present invention；
Fig. 4 is the fundamental diagram one of the present invention；
Fig. 5 is the fundamental diagram two of the present invention；
Fig. 6 is the fundamental diagram three of the present invention；
Fig. 7 is the fundamental diagram four of the present invention；
Label declaration in figure：1- loading trolley framves, 2- activity arm-ties, 21- seat boards, 22- spring bases, 23- rotating shafts, 24- shaft seats
Set, the hook-shaped arm-ties of 25-, 26- guide spiro rods, 27- little springs, the double nuts of 28- first, 3- fixes arm-tie, 31- arm-ties seat, 32- eight
Font arm-tie, 33- is oriented to cover for seat, 34- guide rods, 35- big springs, the double nuts of 36- second, 4- hook gears.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of anti-suspension hook of derrick crane is rushed to summit falling protecting device, the protection device by
Movable arm-tie 2 installed in the bottom of loading trolley frame 1 is constituted with the fixation arm-tie 3 installed in the top of hook gear 4, the activity
Arm-tie 2 includes seat board 21, spring base 22, rotating shaft 23, rotating shaft cover for seat 24, hook-shaped arm-tie 25, guide spiro rod 26, little spring 27 and used
In the first double nut 28 of regulation and locking, the bottom of the seat board 21 is welded with a rotating shaft cover for seat 24, the hook-shaped arm-tie 25
Plate body bottom be welded with two rotating shaft cover for seat 24, be fixedly arranged in the middle of guide spiro rod 26, the shape of the insertion rotating shaft of rotating shaft 23 cover for seat 24
Into being hinged, the little spring 27 is sheathed on guide spiro rod 26, and through spring base 22 elliptical aperture and screw in the through part
One double nut 28；The fixed arm-tie 3 includes arm-tie seat 31, splayed configuration arm-tie 32, big spring 35, the guide rod with the shaft shoulder
34th, cover for seat 33 and the second double nut 36 for adjusting and locking are oriented to, the arm-tie 32 and guiding cover for seat 33 are welded on arm-tie
On seat 31, and middle part is equipped with the jack being engaged with guide rod 34, and the big spring 35 is sheathed on guide rod 34, described to lead
With second double nut 36 locked through arm-tie 32 and the jack being oriented in the middle part of cover for seat 33 and through part to bar 34.
Further, the plate body of the hook-shaped arm-tie 25 welds the inverted T-type structure of angle at 45 ° with plate hook group.
The operation principle of the present embodiment is：
Continued up as shown in figure 4, hook gear 4 is out of control in ascending motion, the fixation arm-tie 3 on its top is through under trolley frame 1
The plate hook of the movable arm-tie 2 at end is oriented to, into the inner chamber of movable arm-tie 2；As shown in figure 5, when having just enter into inner chamber, movable arm-tie 2
It is flared out, little spring 27 is compressed；As shown in fig. 6, the splayed configuration arm-tie 32 of arm-tie 3 to be fixed because of rising with movable arm-tie
2 hook end separation, the return immediately of little spring 27, plate body recovers with seat board 21 into plumbness；As shown in fig. 7, hook gear 4 after
Continuous to rise, the end of guide rod 34 on fixed arm-tie 3 is contacted with the bottom of seat board 21 of movable arm-tie 2, and big spring 35 is compressed, and is led
Moved downward simultaneously along guiding cover for seat 33 to bar 34, until big spring 35 is fully compressed, hook gear 4, which is obstructed, to be forced in stopping
Elevator is moved, and the process is that suspension hook is rushed to summit.The present invention sets big spring 35 to be to alleviate the dynamic loading rushed to summit.Formation is rushed to summit
Afterwards, if operating personnel can't disconnect the rising circuit of suspension hook in time, hoist rope is often forced to break, and suspension hook loses about
Beam free-falling.Because the movable arm-tie 2 under trolley frame 1 is in reset state, the quilt of splayed configuration arm-tie 32 of the upper end of hook gear 4
On the plate hook for being shelved on movable arm-tie 2, it is to avoid the falling from high altitude of hook gear 4.
In addition, the operation for releasing recovery suspension hook descending motion of rushing to summit is carried out according to the following steps：
1st, loading trolley is drawn to above stock supernumerary segment platform.
2nd, lift hook gear 4, make to fix arm-tie 3 and separated with movable arm-tie 2, if hoist rope is unbroken, Zhi Xuzhi
Contact is dynamic to be risen, if hoist rope is pulled off, needs to pass around hoisting line system again.
3rd, the locking nut 28 of the tail end of 2 guide spiro rod of release activity arm-tie 26, precession nut, little spring 27 is compressed, living
Dynamic arm-tie 2 is flared out, and span is opened from untill can guarantee that fixed arm-tie 3 is moved downward and is not obstructed until what plate hook the inner was formed.
4th, hook gear 4 drops down onto ground under operating personnel's control.
Claims (2)
- The falling protecting device 1. a kind of anti-suspension hook of derrick crane is rushed to summit, the protection device is by installed in loading trolley frame（1）Bottom The movable arm-tie in portion（2）With installed in hook gear（4）The fixation arm-tie at top（3）Constitute, it is characterised in that：The activity is drawn Plate（2）Including seat board（21）, spring base（22）, rotating shaft（23）, rotating shaft cover for seat（24）, hook-shaped arm-tie（25）, guide spiro rod（26）、 Little spring（27）With the first double nut for adjusting and locking（28）, the seat board（21）Bottom be welded with a rotating shaft cover for seat （24）, the hook-shaped arm-tie（25）Plate body bottom be welded with two rotating shaft cover for seat（24）, it is fixedly arranged in the middle of guide spiro rod（26）, institute State rotating shaft（23）Insert rotating shaft cover for seat（24）Formation is hinged, the little spring（27）It is sheathed on guide spiro rod（26）On, and pass through Spring base（22）Elliptical aperture and through part screw in the first double nut（28）；The fixed arm-tie（3）Including arm-tie seat（31）、 Splayed configuration arm-tie（32）, big spring（35）, guide rod with the shaft shoulder（34）, be oriented to cover for seat（33）With for adjusting and locking Second double nut（36）, the arm-tie（32）With guiding cover for seat（33）It is welded on arm-tie seat（31）On, and middle part is equipped with and leads To bar（34）The jack being engaged, the big spring（35）It is sheathed on guide rod（34）On, the guide rod（34）Through arm-tie （32）And it is oriented to cover for seat（33）The jack at middle part and through part use the second double nut（36）Locking.
- The falling protecting device 2. the anti-suspension hook of a kind of derrick crane according to claim 1 is rushed to summit, it is characterised in that：It is described Hook-shaped arm-tie（25）Plate body and plate hook group weld the inverted T-type structure of angle at 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451614.5A CN107128824A (en) | 2017-06-15 | 2017-06-15 | The anti-suspension hook of derrick crane is rushed to summit falling protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451614.5A CN107128824A (en) | 2017-06-15 | 2017-06-15 | The anti-suspension hook of derrick crane is rushed to summit falling protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107128824A true CN107128824A (en) | 2017-09-05 |
Family
ID=59734754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710451614.5A Pending CN107128824A (en) | 2017-06-15 | 2017-06-15 | The anti-suspension hook of derrick crane is rushed to summit falling protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107128824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5034612B2 (en) * | 2007-03-30 | 2012-09-26 | 三菱自動車工業株式会社 | Jib crane driving device and article conveying device equipped with the same |
| CN202808230U (en) * | 2012-10-08 | 2013-03-20 | 中联重科股份有限公司 | Hoisting mechanism anti-topping system for crane and crane |
| CN202988620U (en) * | 2013-01-04 | 2013-06-12 | 中联重科股份有限公司 | Crane and lifting hook over-hoisting detection device thereof |
| CN203345956U (en) * | 2013-04-02 | 2013-12-18 | 中国建筑第七工程局有限公司 | Device for preventing falling during over-hoisting of lifting hook of hoist |
| CN204778520U (en) * | 2015-07-20 | 2015-11-18 | 张言华 | Lifting hook anti -falling device that rushes to summit |
| CN204938806U (en) * | 2015-08-31 | 2016-01-06 | 中冶建工集团有限公司 | Preventing lifting hook from falling device |
-
2017
- 2017-06-15 CN CN201710451614.5A patent/CN107128824A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5034612B2 (en) * | 2007-03-30 | 2012-09-26 | 三菱自動車工業株式会社 | Jib crane driving device and article conveying device equipped with the same |
| CN202808230U (en) * | 2012-10-08 | 2013-03-20 | 中联重科股份有限公司 | Hoisting mechanism anti-topping system for crane and crane |
| CN202988620U (en) * | 2013-01-04 | 2013-06-12 | 中联重科股份有限公司 | Crane and lifting hook over-hoisting detection device thereof |
| CN203345956U (en) * | 2013-04-02 | 2013-12-18 | 中国建筑第七工程局有限公司 | Device for preventing falling during over-hoisting of lifting hook of hoist |
| CN204778520U (en) * | 2015-07-20 | 2015-11-18 | 张言华 | Lifting hook anti -falling device that rushes to summit |
| CN204938806U (en) * | 2015-08-31 | 2016-01-06 | 中冶建工集团有限公司 | Preventing lifting hook from falling device |
Non-Patent Citations (1)
| Title |
|---|
| 黎维民等: "塔式起重机防吊钩冲顶坠落保护装置", 《建筑安全》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107100402A (en) | A kind of mechanical type anti-fall device of multi-storied garage | |
| CN206625156U (en) | Safety intelligent remotely lifts limit for height equipment | |
| CN116119517A (en) | Automatic anti-torsion device for port crane lifting appliance | |
| CN105060125B (en) | High tower structure of cable crane and its method for dismounting | |
| CN206126654U (en) | Adopt double -deck balance beam hoist of prestress wire hoist and mount large -tonnage component | |
| CN209538646U (en) | A kind of arc gradual change is interior to receive structure attached lifting scaffold | |
| CN107128824A (en) | The anti-suspension hook of derrick crane is rushed to summit falling protecting device | |
| CN204081437U (en) | Climbing scaffold falling proof device | |
| CN103043533B (en) | Crane and control method thereof | |
| CN102303821A (en) | Luffing tower crane with balanced type suspension arm based on traction luffing of steel rope | |
| CN205892546U (en) | A assembly pulley for hoist lifts by crane | |
| CN204938669U (en) | A kind of elevator counterweight | |
| CN204528984U (en) | Low speed hydraulic elevator safety guard | |
| CN218058131U (en) | Lifting machinery lifting hook anti-ejection device | |
| CN106458508A (en) | Elevator apparatus | |
| CN105540440A (en) | Monitoring device for hoisting of steel wire rope | |
| CN102674161B (en) | A kind of independent anti-drop system | |
| CN203394133U (en) | Break-proof protection device of lifting machine steel wire rope | |
| CN207108276U (en) | A kind of engineering machinery driving cabin elevating mechanism safety device | |
| CN106966300B (en) | For the induction control system of tower crane | |
| CN2384929Y (en) | Self-raising gantry crane | |
| CN207090853U (en) | A kind of small-sized hydraulic crane | |
| CN209668652U (en) | A kind of anti-tower crane suspension hook is rushed to summit the safety guard that disconnected rope falls | |
| CN205634676U (en) | Bridge crane hoisting mechanism with two -stage limit protection device | |
| CN220351557U (en) | Lifting equipment for hole digging pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170905 |
|
| WD01 | Invention patent application deemed withdrawn after publication |