CN205419527U - Automatic steel roll of wire hoist of internal expanding type - Google Patents

Abstract

Automatic steel roll of wire hoist of internal expanding type belongs to a hoist device who rises to put in a position, especially to lifting by crane in the vertical wire rod reinforcing bar of placing. It is constituteed by carrying pull rod 8, location axle 6, connecting rod 14, remove slider 5 and rising by tile 2, and the tile 2 that rises is in the lower extremes that remove slider 5, carries pull rod 8 and connecting rod 14, connecting rod 14 with remove slider 5 and link to each other through round pin axle 15, but location axle 6 penetrates in the hole of removing 5 upper portions of slider and relative movement, the one end fixed mounting of two at least location spools 6 carries pull rod 8 and passes uide bushing 7 and can move about from top to bottom on uide bushing 7. During the use, the steel roll of wire hole is put into to the hoist, plays to rise the hoist and carries 8 upward movements on the pull rod, drives through link mechanism and moves slider 5 and order about the 2 outside inflations on the tile that rise at the lateral shifting on the location axle 6, and the wire rod is sling when two surperficial frictional force are greater than wire rod weight. The device can avoid the operation of manpower couple to piling up the direct handling of wire rod, has improved the operating efficiency together.

Description

Internal expansion type automatic wire roll suspender

Technical field

This utility model belongs to a kind of the hanging apparatus reused, especially in the lifting of the wire rod reinforcing bar vertically placed.

Background technology

Being similar to the wire roll product of the secondary operations such as cold rolled reinforcing steel bar with ribs, hand-drawn wire, the most vertically place after its formed product rolling, be arranged so that good stability, the stacking number of plies is many, and the material quantity that unit are is stacked is the most.At present, this kind of stacking mode typically uses following several lifting mode for the lifting of each dish: one is directly to use two steel wire ropes to lift, but this kind is worn for steel wire rope and is unloaded relatively complicated, and it is big that it there is problems of labor intensity of operating staff, and lifting efficiency is low；Another kind is that the packing silk directly utilizing wire rod is as suspension centre, hook is directly hung on packing silk and carries out lifting operation, although improve the efficiency of loading and unloading, but this kind of mode there is problems of using can not the packing silk of load-bearing as suspension centre, belong to non-standard operation, during handling, on the one hand there is packing silk fracture, the potential safety hazard of Bales Off；On the other hand, suspension hook also needs manually to shirk also affects service efficiency；Also has a kind of suspender being to use cylindrical clamped-in style, it uses lever operation principle to be similar to shears, has hanger at an upper portion thereof, and middle part is link in rhomb form force transferring structure, bottom is folding clamping device, when wire rod reinforcing bar needs handling, hoisting machinery lift hook connects hanger and lifts by crane, and clamping device is opened and exceeded wire rod external diameter, wire rod falls in the middle of the claw of clamping device, along with the rising of suspension hook, by force transmission mechanism, claw is tightened up, lifting requirements can be met and complete handling.But the premise that this kind of mode is implemented is claw necessarily be in open mode before clamping, make wire rod outer surface in wherein, if using this suspender to be entirely capable of meeting requirement with regard to 1 product, but claw is difficult to be in the state held together by entire bundle reinforcing bar bag when wire rod is packed together, therefore, it there is problems of the bundled wire roll that cannot realize directly using this suspender handling to be packed together.The problems referred to above return it to be exactly a little that direct handling is constant.

Summary of the invention

This utility model is aiming at the defect of above-mentioned several wire roll lifting mode direct handlings inconvenience and designs, this internal expansion type automatic wire roll suspender is by lifting rod, locating shaft, fairlead, connecting rod, mobile slide block and watt composition that rises of mobile slide block lower end, lifting rod and connecting rod, it is connected by bearing pin between connecting rod with mobile slide block, can relatively rotate around bearing pin, the top of mobile slide block is porose, locating shaft penetrates in hole, mobile slide block can relative movement on locating shaft, one end of some locating shafts is fixedly mounted on fairlead, locating shaft, connecting rod, mobile slide block and rise and watt constitute Zhang Wa travel mechanism, at least two groups of this travel mechanism, can be formed by many groups and symmetrical around fairlead as required.Being provided with lifting hole(eyelet) at the top of lifting rod, for being connected with the suspension hook of crane gear, meanwhile, combine bar structure on lifting rod top and be also equipped with by limited block and control the position control mechanism that switch forms, to be positioned at different conditions sliding block, rise a watt location.

See that this suspender is capable of the operation principle of wire roll handling and is from the above: lifting rod has driven mobile slide block transverse shifting on locating shaft up and down through linkage in fairlead, it is achieved that rise watt the radial direction folding with whole device center in many groups of slide block lower end.When the wire roll endoporus that need to allocate and transport put into by watt suspender that rises, hoisting sling promotes lifting rod and moves upward, now, rise by watt outward expansion until the inwall of wire roll, and applying normal pressure to it, normal pressure derives from the component produced in lifting process by the connecting rod in Zhang Wa travel mechanism, and the power of lifting heavy is exactly the frictional force between watt outer surface and wire rod inner surface that rises, in order to increase the coefficient of friction between two surfaces, rising, a watt outer surface is additionally provided with fin.

The requirement automatically controlling to meet remote control for watt position that realizes rising, the inner space utilizing lifting rod is provided with by position-limit mechanism and controls the position control that switch forms, position-limit mechanism is by limited block, locating shaft, baffle plate and flexible member composition, this mechanism is arranged in the space processed on lifting rod, locating shaft and the fixing connection of two baffle plates, the one side of two limited blocks processes the incline bench of upper and lower two right-angle side length not grade as required and penetrates in locating shaft, the length making its prominent lifting rod outer surface is different, under short upper length, flexible member is installed between limited block, limited block is made to be close to baffle plate at nominal conditions, limited block moves inward and compression elastic element when exposed to external forces；Controlling switch to be made up of the longitudinal axis, transverse axis, spring and positioning pressuring plate, the space of available lifting rod is installed, it is possible to be bumped in lifting rod as after an assembly installation, uses inclined-plane to coordinate between longitudinal and transverse axle, and positioning pressuring plate can limit the position of transverse axis；Such as figure six under normal circumstances, when transverse axis is not by external force, jack-up on spring-loaded Y-direction, its head is inclined-plane the upper surface of prominent lifting rod inner space, and transverse axis is by longitudinal axis ramp effect, and its head seamlessly transitted highlights lifting rod outer surface；If figure five is when limited block moves extruding longitudinal axis upper inclined surface, the longitudinal axis moves down, and limited block, by rebounding on rear Y-direction, due to the irreversibility of structure, prevents the reverse mobile of limited block；Such as figure seven lifting rod, to be oppositely oriented set mobile, and when by transverse axis inclined-plane transverse axis inward, the inclined-plane extruding longitudinal axis of other end, the longitudinal axis moves downward, the limited block being blocked when top is less than upper plane can outside return.

Its function realized: when suspender is in Fig. 2 position, hook lifting rod moves up through linkage and makes slide block be moved outwardly until to encounter outer baffle block and stop, and whole suspender left under order, but watt opening degree that now rises is more than wire rod internal diameter.When needing handling wire rod, suspender is brought to support on platform, supporting the structure of platform is that rise when fixing outer shroud falls at its edge watt can be unsettled, and now suspension hook falls, and is driven by action of gravity lifting rod and rises watt to contract, when limited block lower step crossed by fairlead, limited block spreading, the at this moment state of position control such as Fig. 5, when suspension hook is changed into rising by decline, after limited piece of fairlead supports, whole suspender is lifted, and watt opening degree that now rises is less than wire rod internal diameter.Under suspension hook, wire rod inner chamber put into by general who has surrendered's suspender in this condition, until fixing outer shroud falls at the upper surface needing handling wire rod, fixing outer shroud and locating shaft stop mobile, suspender continues downwards, also moved downward by action of gravity lifting rod, when fairlead touches the upper inclined surface step of limited block, the state of position control such as Fig. 6, it is internal and trigger in control switch horizontally and vertically that limited block is extruded to lifting rod completely, the longitudinal axis first moves down, limited block is by rebounding on rear Y-direction, irreversibility due to structure, prevent the reverse mobile of limited block, the position of limited block is locked, limited block highlights the part of lifting rod outer surface and is stowed away；Now, suspension hook is changed into promoting by decline, fairlead can pass freely through limited block position, lifting rod drives to rise and watt is displaced outwardly, when the state such as figure seven of position control, when fairlead is switched by prominent control, transverse axis drives the longitudinal axis to move downward, when longitudinal axis top is less than upper plane, the limited block that is blocked can outside return, along with the outer surface risen watt that continues to lift up of suspension hook contacts with wire rod inner surface, the normal pressure applied along with the carrying out of lifting process also can be bigger, until the frictional force that two surfaces produce is more than wire rod weight, wire rod is lifted.

This suspender, owing to have employed the movement structure of internal expansion type, carries out stress handling by wire rod inner chamber, can rolling wire rod product that directly handling is packed together, overcome conventional wire rod be packed together and cannot the problem of direct handling.Meanwhile, lifting rod is provided with position control, realizes the control to suspender operating state by the action of gravity of suspension hook and lifting rod, it is to avoid the manual operations of manpower, improve working performance.

Accompanying drawing explanation

Fig. 1 is that wire roll suspender uses schematic diagram.

Fig. 2 is the front view of wire roll suspender, wherein the section view for A-A portion of the right display.

Fig. 3 is the top view of wire roll suspender.

Fig. 4 is that suspender falls the state diagram when supporting on platform.

Fig. 5 is for promoting the controlling organization state diagram of wire rod front position.

Fig. 6 is limited block position control mechanism state diagram when shrinking completely.

Position control mechanism state diagram when Fig. 7 is lifting rod whereabouts.

Fig. 8 is position control mechanism side view.

Fig. 9 is B portion enlarged drawing.

Detailed description of the invention

When needs handling wire roll, the suspension hook 13 of crane gear penetrates in lifting hole(eyelet) 9, as suspender is in state shown in Fig. 4, lifting rod 8 is positioned at highest order, mobile slide block 5 is to outer spacing, rise watts 2 when fully opening, need to be adjusted to suspender support on platform 16, fixing outer shroud 4 falls on its edge, rise watts 2 unsettled, suspension hook 13 falls, lifting rod 8 declines along with gravity, when lifting rod 8 limited block 19 lower step crossed by fairlead 7, limited block 19 spreading, at this moment the state of position control such as Fig. 5, suspension hook 13 can be changed into rising by decline, after fairlead 7 supports for limited piece 19, whole suspender is lifted, watt 2 opening degrees that now rise are less than wire rod 1 internal diameter.Suspension hook 13 moves to need above the wire rod 1 of handling in this condition, wire rod 1 inner chamber put into by 13 times general who has surrendered's suspenders of suspension hook, until fixing outer shroud 4 falls at the upper surface needing handling wire rod 1, fixing outer shroud 4 and locating shaft 6 stop mobile, suspender continues downwards, also moved downward when fairlead 7 touches the upper inclined surface step of limited block 19 by action of gravity lifting rod 8, the state of position control such as Fig. 6, limited block 19 is extruded to lifting rod 8 inside completely and triggers the transverse axis 20 and the longitudinal axis 21 controlled in switch, the longitudinal axis 21 first moves down, limited block 19 is upwards rebounded by the rear longitudinal axis 21, irreversibility due to structure, prevent the reverse mobile of limited block 19, the position of limited block 19 is locked, limited block 19 highlights the part of lifting rod 8 outer surface and is stowed away；Now, suspension hook 13 is changed into promoting by decline, fairlead 7 can pass freely through limited block 19 position, lifting rod 8 drives to rise and watts 2 is displaced outwardly, as state such as Fig. 7 of position control, when fairlead 7 is switched by prominent control, transverse axis 20 drives the longitudinal axis 21 to move downward, when the longitudinal axis 21 top is less than upper plane, the limited block 19 that is blocked can outside return, along with suspension hook 13 continue to lift up rise watts 2 outer surface contact with wire rod 1 inner surface, the normal pressure applied along with the carrying out of lifting process also can be bigger, until the frictional force that two surfaces produce is more than wire rod 1 weight, wire rod 1 is lifted.Wire rod 1 is postponed by winching to specific bit, and suspension hook 13 falls, watt 2 contractions of rising, and fairlead 7 by stopping after the lower inclined plane step controlled on switch, limited block 19 on lifting rod 8, changes and falls for rising, suspender can be left under order the wire rod 1 of required allocation and transportation.

Claims (9)

1. internal expansion type automatic wire roll suspender, it is characterized in that it is by lifting rod (8), locating shaft (6), connecting rod (14), mobile slide block (5) and watt (2) composition that rises, rise watt (2) be in the lower end of mobile slide block (5), lifting rod (8) and connecting rod (14), connecting rod (14) is connected by bearing pin (15) with mobile slide block (5), locating shaft (6) penetrates in the hole on mobile slide block (5) top and can relative movement, one end of at least two locating shafts (6) is fixedly mounted on fairlead (7), lifting rod (8) can be up and down through fairlead (7).

Wire roll suspender the most according to claim 1, it is characterized in that: combining bar structure on lifting rod (8) top and be also equipped with by position-limit mechanism (11) and control the position control mechanism that switch (10) forms, to be positioned at, different conditions moves down movable slider (5), rise watt (2) location.

Wire roll suspender the most according to claim 1, it is characterized in that at least two groups of the Zhang Wa travel mechanism being made up of locating shaft (6), connecting rod (14), mobile slide block (5) and rise watt (2), can be formed by many groups as required and symmetrical around fairlead (7).

Wire roll suspender the most according to claim 1, is characterized in that: rising, watt outer surface of (2) is provided with fin (3).

Wire roll suspender the most according to claim 1, it is characterized in that: limited block (19) is formed by many groups and is on the same circumference of lifting rod (8), and can be along the radially folding of lifting rod (8) outer surface, fairlead (7) can be passed freely through at this during closedown, control switch and can control limited block (19) state by internal mechanism.

Wire roll suspender the most according to claim 1, it is characterized in that lifting rod (8) has certain weight so that it is rely on self gravitation to drive mobile slide block (5) in the upper motion of locating shaft (6) by connecting rod (14) while moving downward along fairlead (7).

Wire roll suspender the most according to claim 1, it is characterized in that one end of locating shaft (6) is connected with fairlead (7), and the other end is connected with fixing outer shroud (4), and each group of locating shaft (6) is linked to be entirety by fixing outer shroud (4).

Wire roll suspender the most according to claim 1, is characterized in that the two ends of every locating shaft (6) are respectively provided with internal stop (12) and outer baffle block (13).

Wire roll suspender the most according to claim 1, is characterized in that the top of lifting rod (8) is arranged just like suspension ring, the lifting part of suspension hook.