CN107555308A

CN107555308A - Building tower crane suspension hook and its supporting anti-drop device

Info

Publication number: CN107555308A
Application number: CN201710900203.XA
Authority: CN
Inventors: 司永度
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-28
Filing date: 2017-09-28
Publication date: 2018-01-09

Abstract

Building tower crane suspension hook and its supporting anti-drop device, including screw mandrel, axle sleeve, neck and handle cavity, pulley bottom hanger is provided with the rotary sleeve of cylindrical structural at one in the inner side of this pulley bottom hanger 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 hanger is mounted on jam plate at one by three hexagon socket head cap screws；The screw mandrel 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 mandrel is screwed in lock tube, so that the suspension hook coupler body rotated originally is fixed by position, when preventing from lifting by crane article, due to the oscillatory forces of inertia or tower crane suspension rod, the suspension hook coupler body for causing to be arranged on the inside of the hanger 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 a kind of crane gear also known as " derrick crane " the most frequently used 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, are the indispensable core lifting portion of tower crane again 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 hanger, the hanger bottom offers cavity, and inside cavity lower end step is provided 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 Hanger inner chamber is stretched into after the bearing hole of ball bearing, and the suspension hook stretches on the connecting portion of hanger inner chamber and is arranged with swivel nut, Swivel nut bottom pressure is located at thrust ball bearing upper surface, and this 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, operation inconvenience are produced with coupler body.

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 assembly pulley, suspension hook sheet Body includes hook head portions and assembly pulley part；Assembly pulley part includes the relative two pulley frame plates in position and is arranged on two Pulley between individual pulley frame plate, hook head portions are connected with pulley frame plate；Each additional, removable formula assembly pulley includes peace The pulley in mounting bracket is shelved and is arranged on, mounting bracket includes two relative installation frame plates of position and is connected to two peaces Shelve the connection support body between plate；Frame plate and/or connection support body are installed by Detachable connection structure and pulley yoke plate shape into can 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 hanger before and after pulley bottom This kind of crane hook of portion's rotary sleeve, after tower crane slings weight, in the presence of rotatably being swung due to tower crane swing rod, it 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 unavoidably accelerated, When causing weight arrival level point position, also there is certain rotation possibility in suspension hook, 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 the relevant industries for many years it is abundant 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 arranged on this kind of crane hook of hanger internal rotating set before and after pulley bottom, after tower crane slings weight, due to tower crane In the presence of swing rod is rotatably swung, suspension hook can be rotated, and due to the addition of the effect of weight, can make unavoidably suspension hook with The centrifugal rotary speed of rotary sleeve is accelerated, and when causing weight arrival level point position, suspension hook also has certain rotation possibility, 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 unhandy problem 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 hanger, suspension hook coupler body, rotary sleeve support shaft, anticreep baffle plate, ladder chute, jam plate, locking knob, lock Set, slot, handle rotary shaft, handle, ladder card section, coupler body head, securing plate, U-shaped welded plate, rotary sleeve, screw mandrel, axle sleeve, Neck and handle cavity；

Pulley bottom hanger passes through rotary sleeve support shaft at front and rear two, in the inner side of this pulley bottom hanger 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 hanger 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 mandrel 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 inwall for hanging ditch position of portion's hanger is provided with multistage ladder card section, and the turn position of pulley bottom hanger by rotating seat with Spring is also equipped with anticreep baffle plate at one, and the bottom position of anticreep baffle plate is in contact with the neck of coupler body inner portion；It is described Handle cavity is at two, before and after being respectively provided on the right side of suspension hook coupler body great circle arc corner on outer wall, and this at two handle it is recessed Rotatable handle at one is also mounted on by handle rotary shaft in groove.

Further, the bottom land 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 plate and neck, the ladder chute structure provided with a segment distance.

Further, the suspension hook coupler body rotates on rotary sleeve, and is in parallel with the outer face of pulley bottom hanger During state, the axis of the screw mandrel 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 inwall 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 position sections of handle cavity Size is big.

Further, the neck 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., neck is the pyramidal projections knot of the segment distance made on coupler body head Structure.

Further, the axial wall of the handle rotary shaft is set with a circle rubber tube, and handle passes through this circle rubber tube Damping is formed with handle rotary shaft 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 provided with a segment distance, this notch The structure of one section of pyramidal projections is provided among section, this notch with pyramidal projections matches use with anticreep baffle plate, It is spacing using the neck progress of this structure when anticreep baffle plate carries out anticreep effect, and because neck and anticreep baffle plate can be realized Respective outer side edges, therefore anticreep baffle plate has to be oriented to and made in the implementation anticreep effect of coupler body head 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 hangers of pulley Jam plate, and be rotatably connected on the suspension hook coupler body on the inside of pulley former and later two pulley bottom hangers and be provided with front and rear two groups of cylindrical cavities The lock tube of structure, the screw mandrel 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 mandrel is screwed in lock tube, so that the suspension hook coupler body rotated originally is fixed by position, prevented When lifting by crane article, due to the oscillatory forces of inertia or tower crane suspension rod, cause to be arranged on the suspension hook coupler body hair on the inside of the hanger 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 cavity, by rotary shaft 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 is contacted, 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 structural representation；

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

Embodiment

Below, embodiments of the invention are will be explained in, 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 accompanying drawing 10, building tower crane suspension hook and its supporting anti-drop device, include：

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

Pulley bottom hanger 1 passes through rotary sleeve support shaft 3 at front and rear two, in the inner side of this pulley bottom hanger 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 hanger 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 mandrel 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 hanger 1 hangs the interior of ditch position Wall is provided with multistage ladder card section 11, and the turn position of pulley bottom hanger 1 is also equipped with one by rotating seat and spring Anticreep baffle plate 4, and the bottom position of anticreep baffle plate 4 is in contact with the neck 18 of the inner side of coupler body head 12；Handle cavity 19 is two Place, also pass through in handle cavity 19 before and after being respectively provided on the right side of the great circle arc corner of suspension hook coupler body 2 on outer wall, and at this at two Handle rotary shaft 9 is mounted on rotatable handle 10 at one.

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

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

Wherein, suspension hook coupler body 2 rotates on rotary sleeve 15, and is in parastate with the outer face of pulley bottom hanger 1 When, the axis of the lock tube 7 on suspension hook coupler body 2 with the axis of the screw mandrel 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 the position restriction of suspension hook coupler body 2 in this position.

Wherein, jam plate 5 is " Jiong " shape structure, and herein on the shorter edge inwall of " Jiong " shape structure, is also welded with one and adds Gu 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 mandrel 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 to do not 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 position sections Cross section structure size it is big, as shown in Figure 8.

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

Wherein, the axial wall of handle rotary shaft 9 is set with a circle rubber tube, and handle 10 passes through this circle rubber tube and handle Rotary shaft 9 forms damping and coordinated, and postrotational handle 10 is can be at diverse location, carries out position and fixes.

The specifically used mode of the present embodiment and effect：

As shown in figure 1, during work high above the ground, 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 goods 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 plate 4 that coupler body head 12 is installed and the position of neck 18 Effect, the spacing stop of anticreep equally is carried out 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 Caused indefinite swing during air transport is defeated, before the movement of tower crane swing rod, first the screw mandrel 16 as shown in Fig. 3, Fig. 6 is revolved by rotational lock Button 6 is screwed in lock tube 7, because screw mandrel 16 is mounted on pulley bottom hanger 1 on the jam plate 5 of " Jiong " shape structure, and lock tube 7 It is welded on the U-shaped welded plate on the outer wall of suspension hook coupler body 2, therefore the screw engagement of screw mandrel 16 and lock tube 7, suspension hook hook can be made Body 2 is now fixed in former and later two pulley bottom hangers 1, thus is occurred to swing or rotated when solving the high dry run of article Situation.

It is described above to be only the preferred embodiments of the present invention, any formal limitation not is made 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

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

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

Pulley bottom hanger is installed in the inner side of this pulley bottom hanger 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 hanger 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 mandrel 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 inwall for hanging ditch position of ear is provided with multistage ladder card section, and the turn position of pulley bottom hanger passes through rotating seat and spring Anticreep baffle plate at one is also equipped with, and the bottom position of anticreep baffle plate is in contact with the neck of coupler body inner portion；The handle Groove is at two, before and after being respectively provided on the right side of suspension hook coupler body great circle arc corner on outer wall, and at this at two in handle cavity Rotatable handle at one is also mounted on by handle rotary shaft.

2. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The handle The bottom land 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 plate and neck, the ladder chute structure provided with a segment 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 face of pulley bottom hanger, the lock tube on suspension hook coupler body The axis of screw mandrel 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 inwall 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 position sections.

7. building tower crane suspension hook according to claim 1 and its supporting anti-drop device, it is characterised in that：The neck Section is cone character form structure, and its left side is the position limiting structure of certain altitude, and neck and coupler body head are monolithic construction, I.e. neck is the pyramidal projections structure of the segment 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 rotary shaft is set with a circle rubber tube, and handle forms damping with handle rotary shaft by this circle rubber tube and coordinated.