CN207121351U - A kind of Hoisting Balance Beam of Crane - Google Patents

Abstract

The utility model discloses a kind of Hoisting Balance Beam of Crane, its drip irrigation device is to include internal two sliding blocks for being provided with the girder of cavity, being slidably connected in girder and the latch assembly for the fixed position being fixed on sliding block on girder, the lower surface of the girder offers the opening of long strip type, the sliding block extends extension block from opening, and it is fixed with suspension hook in extension block lower end, the upper end of the girder is fixed with hanger, being shaped as the girder is middle wide, both sides are narrow, vertical section is the beam body of half fusiformis, and having reached makes the more firm effect of equalizer bar.

Description

A kind of Hoisting Balance Beam of Crane

Technical field

It the utility model is related to a kind of lifting auxiliary equipment, more particularly to a kind of Hoisting Balance Beam of Crane.

Background technology

Equalizer bar is the important component of hoisting machine tool, for keeping the flat of lifted weight thing in loop wheel machine lifting heavy Weighing apparatus.Equalizer bar is mainly made up of girder and the hanger being fixed on girder, and hanger is used to equalizer bar being articulated in loop wheel machine.Girder On symmetrically offer multiple lifting hole(eyelet)s and be used to mount suspension hook, suspension hook is mounted on symmetrical two lifting hole(eyelet)s and mounts weight with suspension hook Play a part of balance in both ends.Suspension hook is articulated on different lifting hole(eyelet)s to adapt to the length of the weight of required suspension.

But in the prior art, the diverse location that weight is lifted on girder can apply different size of power to girder, make Main beam stress is uneven and damages.

Utility model content

The purpose of this utility model is to provide a kind of Hoisting Balance Beam of Crane, can prevent equalizer bar different opening positions by There is force unbalance during different power.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of Hoisting Balance Beam of Crane, Two sliding blocks for be provided with the girder of cavity including inside, being slidably connected in girder and the fixation being fixed on sliding block on girder The latch assembly of opening position, the lower surface of the girder offer the opening of long strip type, and the sliding block extends from opening Block is stretched, and suspension hook is fixed with extension block lower end, the upper end of the girder is fixed with hanger, and the girder is shaped as centre Width, both sides are narrow, and vertical section is the beam body of half fusiformis.

By using above-mentioned technical proposal, increase the beam body thickness of the larger middle part of vertical stress with bearing capacity more Height, and the less both sides beam body thickness of opposed vertical stress is relatively low to save material.

Further, the bottom surface of the girder inner chamber and upper bottom surface are respectively equipped with upper hopper chute and downslide along its length Groove, the lower end and upper end of the sliding block are respectively equipped with raised and lower convexity, and cunning is inserted in institute to the upper raised and lower convexity respectively State in upper hopper chute and gliding groove.

By using above-mentioned technical proposal, the sliding block for alloing to be fixed with suspension hook slidably reciprocates regulation both it in girder Between distance to adapt to the weight of lifted different length.

Further, the lower surface of the girder is vertically fixed extension board along girder length direction, on the extension board Symmetrically and evenly offer multiple first spacing holes, the extension block is oppositely arranged with extension board, offered on extension block diameter with The second equal spacing hole of first spacing bore dia, the latch assembly are fixed on the second spacing hole location on extension block.

Further, the latch assembly includes being fixed on the slide cartridge overlapped with the second spacing axially bored line on extension block, sliding The diameter of tube inner chamber is more than the diameter of the second spacing hole, and slide cartridge interior edge axis sliding plug has steady pin, and the steady pin runs through The end face of slide cartridge simultaneously passes through the second spacing hole and the first spacing hole, and position of the steady pin in slide cartridge is fixed with and the second spacing hole Edge abut baffle plate.

Further, fixed cover is provided with elastic component between baffle plate and the end face of slide cartridge on the steady pin.

By using above-mentioned technical proposal, steady pin is plugged on the first spacing hole and the second spacing hole so that sliding block with It is relatively fixed between girder, and when needing to change the position of sliding block, it is only necessary to simply steady pin is pulled out to come, operation letter It is single.

Further, the elastic component is the spring of compressive state.

In summary, the utility model has the advantages that：The utility model is by will carry the master of lifted weight thing Beam is designed as middle beam body wide, both sides are narrow, vertical section is half fusiformis, makes by the larger middle part of the power of vertical direction more Add firmly, prevent from damaging because stress is excessive, and it is narrower at the less both ends of stress, material can be saved.

Brief description of the drawings

Fig. 1 is the overall structure diagram of Hoisting Balance Beam of Crane；

Fig. 2 is the structural representation of the sliding block of Hoisting Balance Beam of Crane；

Fig. 3 is the force analysis figure of Hoisting Balance Beam of Crane；

Fig. 4 is the state diagram of the locking of the latch assembly of Hoisting Balance Beam of Crane；

Fig. 5 is the nonlocking state diagram of the latch assembly of Hoisting Balance Beam of Crane.

In figure, 1, girder；11st, upper hopper chute；12nd, gliding groove；13rd, it is open；14th, extension board；141st, the first spacing hole；15、 Hanger；2nd, sliding block；21st, upper projection；22nd, lower convexity；23rd, extension block；231st, the second spacing hole；3rd, latch assembly；31st, slide cartridge； 32nd, steady pin；33rd, baffle plate；34th, elastic component；35th, top dome；4th, suspension hook.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of Hoisting Balance Beam of Crane, as shown in figure 1, the girder 1 including inner hollow, be slidably connected in girder 1 two Sliding block 2 and the latch assembly 3 that sliding block 2 is fixed on to the fixed position on girder 1.It is fixed with sliding block 2 for hanging weight The suspension hook 4 of thing.

As shown in figure 1, being shaped as girder 1 is middle wide, both sides are narrow, vertical section is the beam body of half fusiformis.Girder 1 it is interior The upper top surface and bottom surface of chamber offer upper hopper chute 11 and gliding groove 12 respectively, to the sliding block 3 that is slidably connected.The lower end of girder 1 Opening 13 is offered along its length.

Edge of the lower surface of girder 1 along opening 13 is extended with extension board 14 vertically, right along its length on extension board 14 Title uniformly offers multiple first spacing holes 141, coordinates with latch assembly 3 and sliding block 2 is fixed on to predetermined opening position.

The upper surface of girder 1 is fixed with hanger 15 and is used to girder 1 is articulated in into loop wheel machine by hoist cable.

As depicted in figs. 1 and 2, two sliding blocks 2 are slidably connected in girder 1.The top and bottom of sliding block 2 are respectively fixed with cunning Upper raised 21 and lower convexity 22 being inserted in the upper hopper chute 11 and gliding groove 12, make sliding block 2 be slidably connected in girder 1.

The lower end of sliding block 2 is fixed with the extension block 23 stretched out from opening 13, and the lower end of extension block 23 is fixed with suspension hook 4 and is used for Mount weight.

The second spacing hole 231 that axis overlaps with the axis of first spacing hole 141, and two limits are offered on sliding block 2 Position pore radius is equal.

As shown in figure 3, same weight, when mounting its suspension hook 4 and being fixed on the diverse location on girder 1, it is to master The power that beam 1 applies is different.Middle part is got in the position of hanging, the direction for the power that weight applies to girder 1 with straight up Normal angle it is smaller, according to force resolution rule in mechanics principle, power straight down that it applies to girder 1 is bigger, The bearing capacity of equalizer bar thus can be improved to the thickness of middle gradually increase girder 1 by both sides, and saves material.

As shown in figure 4, latch assembly 3 includes being fixed on the slide cartridge overlapped with the axis of the second spacing hole 231 on extension block 23 31, the diameter of the inner chamber of slide cartridge 31 is more than the diameter of the second spacing hole 231, and the interior edge axis sliding plug of slide cartridge 31 has steady pin 32, The steady pin 32 is through the end face of slide cartridge 31 and passes through the second spacing hole 231 and the first spacing hole 141, and steady pin 32 is in slide cartridge Position in 31 is fixed with the baffle plate 33 abutted with the edge of the second spacing hole 231, in baffle plate 33 and slide cartridge 31 on steady pin 32 End face between fixed cover be provided with elastic component 34.The elastic component 34 can be spring.Steady pin 32 stretched out from slide cartridge 31 one End is fixed with top dome 35.

As shown in figure 5, when needing to change the position of sliding block 2, overcome the elastic force of elastic component 34 by steady pin 32 to away from The direction pull of extension board 14 to steady pin 32 exits the first spacing hole 141, and now sliding block 2 can slidably reciprocate in girder 1, When sliding block 2 is slid into pre-position, it is directed at the first spacing hole 141 of the second spacing hole 231 and pre-position, simultaneously Steady pin 32 is discharged, steady pin 32 is mobile to the direction of the first spacing hole 141 under the elastic force of elastic component 34 and inserts the first limit Completion is against the edge of the second spacing hole 231 to the spacing of sliding block 3, now baffle plate 33 in the hole 141 of position.

During work, the position of adjusting slider 2 is to adapt to the length of the weight of required lifting first, and utilizes latch assembly 3 Sliding block 2 is fixed on symmetrical opening position on girder 1.Then weight is hung on the suspension hook 4 on sliding block 2.Finally using hanging Weight of the machine by equalizer bar and thereon is sling.

Centre is wide, both sides are narrow, vertical section is half shuttle by the way that the girder 1 for carrying lifted weight thing is designed as the utility model The beam body of shape, makes more firm by the larger middle part of the power of vertical direction, prevents from damaging because stress is excessive, and in stress Less both ends are narrower, can save material.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (6)

1. a kind of Hoisting Balance Beam of Crane, including the internal girder for being provided with cavity（1）, be slidably connected at girder（1）Two interior sliding blocks （2）And by sliding block（2）It is fixed on girder（1）On fixed position latch assembly（3）, the girder（1）Lower surface Offer the opening of long strip type（13）, the sliding block（2）From opening（13）Extend extension block in place（23）, and in extension block（23） Lower end is fixed with suspension hook（4）, the girder（1）Upper end be fixed with hanger（15）, it is characterized in that：The girder（1）Shape Narrow for middle width, both sides, vertical section is the beam body of half fusiformis.

2. Hoisting Balance Beam of Crane according to claim 1, it is characterized in that：The girder（1）The bottom surface and upper bottom surface of inner chamber Upper hopper chute is respectively equipped with along its length（11）And gliding groove（12）, the sliding block（2）Lower end and upper end be respectively equipped with it is convex Rise（21）And lower convexity（22）, the upper projection（21）And lower convexity（22）Cunning is inserted in the upper hopper chute respectively（11）And gliding groove （12）It is interior.

3. Hoisting Balance Beam of Crane according to claim 1, it is characterized in that：The girder（1）Lower surface along girder（1）Length Direction is vertically fixed extension board（14）, the extension board（14）On symmetrically and evenly offer multiple first spacing holes（141）, institute State extension block（23）With extension board（14）It is oppositely arranged, extension block（23）On offer diameter and the first spacing hole（141）Diameter The second equal spacing hole（231）, the latch assembly（3）It is fixed on extension block（23）Upper second spacing hole（231）Opening position.

4. Hoisting Balance Beam of Crane according to claim 3, it is characterized in that：The latch assembly（3）Including being fixed on extension block （23）Upper and the second spacing hole（231）The slide cartridge that axis overlaps（31）, slide cartridge（31）The diameter of inner chamber is more than the second spacing hole （231）Diameter, slide cartridge（31）Interior edge axis sliding plug has steady pin（32）, the steady pin（32）Through slide cartridge（31）'s End face simultaneously passes through the second spacing hole（231）With the first spacing hole（141）, steady pin（32）In slide cartridge（31）Interior position is fixed with With the second spacing hole（231）Edge abut baffle plate（33）.

5. Hoisting Balance Beam of Crane according to claim 4, it is characterized in that：The steady pin（32）On in baffle plate（33）With slide cartridge （31）End face between fixed cover be provided with elastic component（34）.

6. Hoisting Balance Beam of Crane according to claim 5, it is characterized in that：The elastic component（34）For the spring of compressive state.