CN207346999U - Building tower crane suspension hook and its supporting anti-drop device - Google Patents

Abstract

Building tower crane suspension hook and its supporting anti-drop device, including screw, axle sleeve, card slot and handle cavity, pulley bottom lifting lug is provided with the rotary sleeve of cylindrical structural at one in the inner side of this pulley bottom lifting lug at two at front and rear two by rotary sleeve support shaft；The nose-circle column cap of the suspension hook coupler body is in mating connection by the annular groove and rotary sleeve of outer wall；The outer wall of pulley bottom lifting lug is mounted on jam plate at one by three hexagon socket head cap screws；The screw of locking knob corresponding with cylindrical cavity structure lock tube is installed on the jam plate of " Jiong " shape structure, when suspension hook coupler body lifts by crane article, screw is screwed in lock tube, so that original rotating suspension hook coupler body is fixed by position, when preventing lifting article, due to the oscillatory forces of inertia or tower crane sunpender, the suspension hook coupler body for causing to be installed on the inside of the lifting lug of pulley bottom is rotated or swung, when making article high-altitude lifting position transfer, moving process is more steady, and operation is safer.

Description

Building tower crane suspension hook and its supporting anti-drop device

Technical field

The present invention relates to building machinery tower crane technical field of structures, more particularly to building tower crane suspension hook and its supporting anticreep Dropping control device.

Background technology

Tower crane is most common a kind of lifting equipment also known as " derrick crane " on construction site, with a section spreading (height) (referred to as " standard knot "), for hanging the raw material of the constructions such as working reinforcing bar, wood stupefied, concrete, steel pipe.Tower crane is work A kind of essential equipment on the ground, and the lifting component of tower crane --- suspension hook, and be the indispensable core lifting portion of tower crane Part.

Such as：Chinese Patent Application No. is：201310473941.2 a kind of anti-rotation suspension hook of middle offer, it is described substantially For：Including lifting lug, the lifting lug lower part offers cavity, and inside cavity lower end step is equipped with clamp nut, thrust ball Bearing is installed in the mounting groove of the clamp nut upper surface, and suspension hook upper end connecting portion sequentially passes through clamp nut endoporus and thrust Lifting lug inner cavity is stretched into after the bearing hole of ball bearing, and the suspension hook stretches on the connecting portion of lifting lug inner cavity and is arranged with swivel nut, Swivel nut lower part pressure is arranged on thrust ball bearing upper surface, and the invention anti-rotation suspension hook is not fixed with steel wire rope connecting portion , after steel wire rope stress stretches generation suspension hook rotation, the torque in steel wire rope can be discharged in the case where suspension hook does not turn Out, although this suspension hook solves the possibility of suspension hook coupler body rotation, but coupler body is screwed by two nuts, is made Coupler body rotates controllability reduction when hanging weight, and this coupler body surface is smooth, hand when operating personnel up hang weight Sliding contact is produced with coupler body, it is inconvenient.

And for example：Chinese Patent Application No. is：201410808618.0 this crampon with pulley of middle offer, its Being described as the suspension hook includes hook body, Detachable connection structure and at least one additional, removable formula pulley blocks, suspension hook sheet Body includes hook head portions and pulley blocks part；Pulley blocks part includes the opposite two pulley frame plates in position and is arranged on two Pulley between a pulley frame plate, hook head portions are connected with pulley frame plate；Each additional, removable formula pulley blocks include peace The pulley in mounting bracket is shelved and is arranged on, mounting bracket includes two opposite installation frame plates of position and is connected to two peaces Shelve the connection frame body between plate；Installing frame plate and/or connection frame body can by Detachable connection structure and the formation of pulley frame plate Dismantling connection.

It can be seen that by above-mentioned patent, suspension hook rotation often occurs in equipment hoisting operation to no any omen, special It is not that documents number of patent application is：201410808618.0 by crane hook top in lifting lug before and after pulley bottom This kind of crane hook of portion's rotary sleeve, after tower crane slings weight, under the action of rotatably being swung due to tower crane swing rod, can make Suspension hook rotates, and due to the addition of the effect of weight, the centrifugal rotary speed of suspension hook and rotary sleeve can inevitably accelerated, When causing weight arrival level point position, suspension hook is also possible there are certain rotation, and one is caused to level point people or periphery object Fixed dyskinetic harm, and existing suspension hook is all smooth surface in itself, and thing operator is taken after the hanging object before lifting, and landing The hand of member is directly inconvenient with smooth suspension hook operating of contacts.

Then, inventor in view of this, adhere to that the relevant industries for many years enrich design and develop and the experience of actual fabrication, For existing structure and missing studied improvement, there is provided building tower crane suspension hook and its supporting anti-drop device, to up to To the purpose with more more practical value.

The content of the invention

It is an object of the invention to provide building tower crane suspension hook and its supporting anti-drop device, to solve above-mentioned background skill The suspension hook rotation proposed in art often occurs in equipment hoisting operation to no any omen, particularly by crane hook top End is installed on this kind of crane hook of lifting lug internal rotating set before and after pulley bottom, after tower crane slings weight, due to tower crane Under the action of swing rod is rotatably swung, suspension hook can be rotated, and due to the addition of the effect of weight, can inevitably make suspension hook with The centrifugal rotary speed of rotary sleeve is accelerated, and when causing weight arrival level point position, suspension hook is also possible there are certain rotation, Certain dyskinetic harm is caused to level point people or periphery object, and existing suspension hook is all in itself smooth surface, before lifting Hanging object, and landing after the hand for taking thing operating personnel directly touch the problem of inconvenient with smooth suspension hook clasp joint.

The purpose and effect of building tower crane suspension hook of the present invention and its supporting anti-drop device, by technological means in detail below Reached：

Building tower crane suspension hook and its supporting anti-drop device, wherein, the building tower crane suspension hook and its supporting anti-dropout Device includes：

Pulley bottom lifting lug, suspension hook coupler body, rotary sleeve support shaft, anticreep baffle, ladder chute, jam plate, locking knob, lock Set, slot, handle rotation axis, handle, ladder card section, coupler body head, securing plate, U-shaped welded plate, rotary sleeve, screw, axle sleeve, Card slot and handle cavity；

Pulley bottom lifting lug passes through rotary sleeve support shaft at front and rear two, in the inner side of this pulley bottom lifting lug at two The rotary sleeve of cylindrical structural at one is installed；The annular groove and rotary sleeve that the nose-circle column cap of the suspension hook coupler body passes through outer wall It is in mating connection, suspension hook coupler body is realized rotation in rotary sleeve；The outer wall of pulley bottom lifting lug passes through three interior hexagonals Bolt is mounted on jam plate at one, and on jam plate about being provided with axle sleeve, and the also equal screw thread in this axle sleeve It is connected with the screw of a locking knob；The suspension hook coupler body is on the outer wall of the front and rear sides of corner by three Hex bolts is mounted on U-shaped welded plate at one, and two lock tubes are welded with the outer wall of U-shaped welded plate；The pulley bottom The inner wall for hanging ditch position of portion's lifting lug is equipped with multistage ladder card section, and the turn position of pulley bottom lifting lug by rotating seat with Spring is also equipped with anticreep baffle at one, and the bottom position of anticreep baffle is in contact with the card slot of coupler body inner portion；It is described Handle cavity on outer wall before and after at two, being respectively provided on the right side of suspension hook coupler body great circle arc corner, and this at two handle it is recessed Rotatable handle at one is also mounted on by handle rotation axis in groove.

Further, the slot bottom of the handle cavity is also equipped with slot, and inserting slot construction conforms to close to the position in outside Human finger structure.

Further, the contact position of the anticreep baffle and card slot, the ladder chute structure equipped with a distance.

Further, the suspension hook coupler body rotates on rotary sleeve, and is in parallel with the outer end face of pulley bottom lifting lug During state, the axis of the screw on the axis and jam plate of the lock tube on suspension hook coupler body is on the same line.

Further, the jam plate is " Jiong " shape structure, and is also welded with the shorter edge inner wall of " Jiong " shape structure herein One securing plate.

Further, the suspension hook coupler body offers cross section structure of the part segment structure than other positions section of handle cavity Size is big.

Further, the card slot section is cone character form structure, and its left side is the position limiting structure of certain altitude, and is blocked Groove and coupler body head are monolithic construction, i.e., card slot is the pyramidal projections knot of a distance made on coupler body head Structure.

Further, the axial wall of the handle rotation axis is set with a circle rubber tube, and handle passes through this circle rubber tube Damping is formed with handle rotation axis to coordinate.

With existing structure in comparison, the invention has the advantages that：

1. the coupler body head of the crane hook of a structure, the spacing notch equipped with a distance, this notch The structure of one section of pyramidal projections is equipped among section, this notch with pyramidal projections matches use with anticreep baffle, It is spacing using the card slot progress of this structure when anticreep baffle carries out anti-off effect, and since card slot and anticreep baffle can be realized Respective outer side edges, therefore anticreep baffle has to be oriented to and makees in coupler body head implementation anti-off effect using the notch of this structure With rational in infrastructure.

2. a structure is mounted at one " Jiong " shape structure on the outer wall of former and later two pulley bottom lifting lugs of pulley Jam plate, and the suspension hook coupler body being rotatably connected on the inside of pulley former and later two pulley bottom lifting lugs is equipped with front and rear two groups of cylindrical cavities The lock tube of structure, is provided with the screw of locking knob corresponding with cylindrical cavity structure lock tube on the jam plate of " Jiong " shape structure, When suspension hook coupler body lifts by crane article, screw is screwed in lock tube, so that original rotating suspension hook coupler body is fixed by position, is prevented When lifting by crane article, due to the oscillatory forces of inertia or tower crane sunpender, cause to be installed on the suspension hook coupler body hair on the inside of the lifting lug of pulley bottom Raw rotation is swung, and when making article high-altitude lifting position transfer, moving process is more steady, and operation is safer.

3. the suspension hook coupler body front/rear end of a structure is equipped with a handle groove, by rotation axis in this handle cavity, Rotatable handle is housed, when needing manpower hand to pull suspension hook coupler body, hand only needs handle is recessed from this handle Handle is rotated into pull-up in groove, hand is firmly more convenient, instead of it is original when pulling suspension hook coupler body, hand directly with it is smooth Suspension hook coupler body contacts, and operation is more convenient, and the setting of handle cavity, and handle can be made to be submerged in not operation wherein, and structure is closed Reason.

Brief description of the drawings

Fig. 1 is main structure diagram of the present invention；

Fig. 2 is A portions of the present invention structure enlargement diagram；

Fig. 3 is B-B half section structure diagrams of the present invention；

Fig. 4 is C portions of the present invention structure enlargement diagram；

Fig. 5 is D portions of the present invention structure enlargement diagram；

Fig. 6 is E portions of the present invention to regarding structure diagram；

Fig. 7 is F portions of the present invention section structure diagram；

Fig. 8 is G of the present invention to schematic diagram；

Fig. 9 is anticreep baffle arrangement schematic diagram of the present invention；

Figure 10 is the schematic diagram removed after sequence number that the present invention is drawn by Fig. 1.

In figure：1st, pulley bottom lifting lug, 2, suspension hook coupler body, 3, rotary sleeve support shaft, 4, anticreep baffle, 4-1, trapezoidal cunning Groove, 5, jam plate, 6, locking knob, 7, lock tube, 8, slot, 9, handle rotation axis, 10, handle, 11, ladder card section, 12, coupler body head Portion, 13, securing plate, 14, U-shaped welded plate, 15, rotary sleeve, 16, screw, 17, axle sleeve, 18, card slot, 19, handle cavity.

Embodiment

In the following, will be explained in the embodiment of the present invention, the example is shown in the accompanying drawings and the description below.Although it will combine The exemplary embodiment description present invention, it is to be understood that the description is not really wanted to limit the invention to the exemplary implementation Example.On the contrary, the present invention will not only cover the exemplary embodiment, but also cover various replacements, it is changing, equivalent and Other embodiment, it can be included in the spirit and scope of the present invention that appended claims are limited.

Referring to Fig. 1 to attached drawing 10, building tower crane suspension hook and its supporting anti-drop device, include：

Pulley bottom lifting lug 1, suspension hook coupler body 2, rotary sleeve support shaft 3, anticreep baffle 4, ladder chute 4-1, jam plate 5, lock Tight knob 6, lock tube 7, slot 8, handle rotation axis 9, handle 10, ladder card section 11, coupler body head 12, securing plate 13, U-shaped welding Plate 14, rotary sleeve 15, screw 16, axle sleeve 17, card slot 18 and handle cavity 19；

Pulley bottom lifting lug 1 passes through rotary sleeve support shaft 3 at front and rear two, in the inner side of this pulley bottom lifting lug 1 at two The rotary sleeve 15 of cylindrical structural at one is installed；The annular groove and rotary sleeve that the nose-circle column cap of suspension hook coupler body 2 passes through outer wall 15 is in mating connection, suspension hook coupler body 2 is realized rotation in rotary sleeve 15；The outer wall of pulley bottom lifting lug 1 passes through in three six Corner bolt is mounted on jam plate 5 at one, and on jam plate 5 about being provided with axle sleeve 17, and in this axle sleeve 17 Also it is threaded with the screw 16 of a locking knob 6；

Suspension hook coupler body 2 is mounted on U at one on the outer wall of the front and rear sides of corner by three hexagon socket head cap screws Shape welded plate 14, and two lock tubes 7 are welded with the outer wall of U-shaped welded plate 14；Pulley bottom lifting lug 1 hangs the interior of ditch position Wall is equipped with multistage ladder card section 11, and the turn position of pulley bottom lifting lug 1 is also equipped with one by rotating seat and spring Anticreep baffle 4, and the bottom position of anticreep baffle 4 is in contact with the card slot 18 of the inner side of coupler body head 12；Handle cavity 19 is two Place, also passes through before and after being respectively provided on the right side of 2 great circle arc corner of suspension hook coupler body on outer wall, and at this at two in handle cavity 19 Handle rotation axis 9 is mounted on rotatable handle 10 at one.

Wherein, the slot bottom of handle cavity 19 is also equipped with slot 8, and 8 structure of slot conforms to human body close to the position in outside Finger structure, easy to hand, thus slot 8 is inserted into handle cavity 19, and handle 10 is lifted.

Wherein, the contact position of anticreep baffle 4 and card slot 18, the ladder chute 4-1 structures equipped with a distance, anti-off-gear Plate 4 does sliding motion using the ladder chute 4-1 structures of this structure on card slot 18.

Wherein, suspension hook coupler body 2 rotates on rotary sleeve 15, and is in parastate with the outer end face of pulley bottom lifting lug 1 When, the axis of the lock tube 7 on suspension hook coupler body 2 with the axis of the screw 16 on jam plate 5 on the same line, by the silk on jam plate 5 Bar 16 is screwed in the lock tube 7 on suspension hook coupler body 2, so that 2 position restriction of suspension hook coupler body in this position.

Wherein, jam plate 5 is " Jiong " shape structure, and herein on the shorter edge inner wall of " Jiong " shape structure, is also welded with one and adds Solid plate 13, the setting of this securing plate 13, when can effectively avoid in the lock tube 7 on the screw-in suspension hook of screw 16 coupler body 2, to jam plate Deformation is compressed caused by 5, structure is more reasonable.

Wherein, suspension hook coupler body 2 offers the part segment structure of handle cavity 19, in order not to influence whole suspension hook coupler body 2 by In opened up handle cavity 19 at two and caused by intensity effect, the part segment structure of this handle cavity 19, than other positions section Cross section structure size it is big, as shown in Figure 8.

Wherein, 18 section of card slot for cone character form structure, and its left side be certain altitude position limiting structure, and card slot 18 with Coupler body head 12 is monolithic construction, i.e., card slot 18 is the pyramidal projections knot of a distance made on coupler body head 12 Structure, is formed with the anticreep baffle 4 of structure as shown in Figure 9 using the card slot 18 of structure as shown in Figure 7 and is slidably matched, make anti-off-gear Plate 4 can carry out slide-and-guide movement on the card slot 18 spacing with left side, and movement is more steady.

Wherein, the axial wall of handle rotation axis 9 is set with a circle rubber tube, and handle 10 passes through this circle rubber tube and handle Rotation axis 9 forms damping and coordinates, and postrotational handle 10 is can be at diverse location, is fixed into row position.

The specifically used mode of the present embodiment and effect：

As shown in Figure 1, during working at height, from rotating handles 10 from inside to outside of handle cavity 19, handle 10 is pulled out, will be whole Hook gear is pulled in face of operator, and the cargo on High Altitude Platform is suspended at suspension hook coupler body 2, utilizes the rank of ladder card section 11 Terraced structure is spacing to object lanyard progress anticreep, and makes provision against emergencies, the anticreep baffle 4 that coupler body head 12 is installed and 18 position of card slot Effect, equally carries out the spacing stop of anticreep to lifting article lanyard, double protection is played, to prevent from hanging over suspension hook coupler body 2 On the effect that is swung due to tower crane swing rod of article, and suspension hook coupler body 2 is rotated in rotary sleeve 15, and cause article height The indefinite swing of the defeated middle generation of air transport, before the movement of tower crane swing rod, first by the screw 16 as shown in Fig. 3, Fig. 6 by rotating locking rotating Button 6 is screwed in lock tube 7, since screw 16 is mounted on pulley bottom lifting lug 1 on the jam plate 5 of " Jiong " shape structure, and lock tube 7 It is welded on the U-shaped welded plate on 2 outer wall of suspension hook coupler body, therefore the screw engagement of screw 16 and lock tube 7, suspension hook hook can be made Body 2 is fixed at this time in former and later two pulley bottom lifting lugs 1, thus while solving article high dry run occur to swing or rotate Situation.

The above is only the preferred embodiments of the present invention, and not makees limitation in any form to the present invention, Every technical spirit according to the present invention belongs to any simple modification made for any of the above embodiments, equivalent variations and modification In the range of technical solution of the present invention.

Claims (8)

1. building tower crane suspension hook and its supporting anti-drop device, it is characterised in that：The building tower crane suspension hook and its supporting Anti-drop device include：

Pulley bottom lifting lug, suspension hook coupler body, rotary sleeve support shaft, anticreep baffle, ladder chute, jam plate, locking knob, lock tube, Slot, handle rotation axis, handle, ladder card section, coupler body head, securing plate, U-shaped welded plate, rotary sleeve, screw, axle sleeve, card slot And handle cavity；

Pulley bottom lifting lug is installed in the inner side of this pulley bottom lifting lug at two by rotary sleeve support shaft at front and rear two There is the rotary sleeve of cylindrical structural at one；The nose-circle column cap of the suspension hook coupler body is matched by the annular groove of outer wall with rotary sleeve Connection is closed, suspension hook coupler body is realized rotation in rotary sleeve；The outer wall of pulley bottom lifting lug passes through three hexagon socket head cap screws Be mounted on jam plate at one, and on jam plate about being provided with axle sleeve, and be also threadedly coupled in this axle sleeve There is the screw of a locking knob；The suspension hook coupler body passes through three interior hexagonals on the outer wall of the front and rear sides of corner Bolt is mounted on U-shaped welded plate at one, and two lock tubes are welded with the outer wall of U-shaped welded plate；Hang the pulley bottom The inner wall for hanging ditch position of ear is equipped with multistage ladder card section, and the turn position of pulley bottom lifting lug passes through rotating seat and spring Anticreep baffle at one is also equipped with, and the bottom position of anticreep baffle is in contact with the card slot of coupler body inner portion；The handle Groove is on outer wall before and after at two, being respectively provided on the right side of suspension hook coupler body great circle arc corner, and at this at two in handle cavity Rotatable handle at one is also mounted on by handle rotation axis.

2. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The handle The slot bottom of groove is also equipped with slot, and inserting slot construction conforms to human finger structure close to the position in outside.

3. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The anticreep The contact position of baffle and card slot, the ladder chute structure equipped with a distance.

4. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The suspension hook Coupler body rotates on rotary sleeve, and when being in parastate with the outer end face of pulley bottom lifting lug, the lock tube on suspension hook coupler body The axis of screw on axis and jam plate is on the same line.

5. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The jam plate For " Jiong " shape structure, and herein on the shorter edge inner wall of " Jiong " shape structure, also it is welded with a securing plate.

6. building tower crane suspension hook and its supporting anti-drop device according to claim 1 or 4, it is characterised in that：It is described The part segment structure that suspension hook coupler body offers handle cavity is bigger than the cross section structure size of other positions section.

7. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The card slot Section is cone character form structure, and the position limiting structure that its left side is certain altitude, and card slot and coupler body head are monolithic construction, I.e. card slot is the pyramidal projections structure of a distance made on coupler body head.

8. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The handle The axial wall of rotation axis is set with a circle rubber tube, and handle forms damping with handle rotation axis by this circle rubber tube and coordinates.