The content of the invention
The defects of existing for prior art, the present invention provide a kind of four limbs side column bilayer shoulder beam supporting construction, can be effective
Solve the above problems.
The technical solution adopted by the present invention is as follows:
The present invention provides a kind of four limbs side column bilayer shoulder beam supporting construction, including:End bay four limbs lattice column (9), the side
Across four limbs lattice columns (9) are the structure of the rectangular cross-section surrounded by 4 equal leg angles, the end bay four limbs lattice column (9)
Top surface is horizontally disposed with lower floor's shoulder beam (2), and the center of lower floor's shoulder beam (2) respectively sets an interior limb post (8), institute along the longitudinal direction
The bottom surface for stating interior limb post (8) is fixedly connected with lower floor's shoulder beam (2);The right side both ends of lower floor's shoulder beam (2) respectively set one
Individual roof leg (7), also, the height of the roof leg (7) is higher than the height of the interior limb post (8);The top of the interior limb post (8)
Face is horizontally disposed with upper strata shoulder beam (1), also, the upper strata shoulder beam (1) respectively with the interior limb post (8) and the roof leg (7)
It is fixedly connected;
The upper strata crane girder (5) of upper strata crane (3) is positioned over the top surface of the upper strata shoulder beam (1), under lower floor's crane (4)
Layer crane girder (6) is positioned over the top surface of lower floor's shoulder beam (2);The roof leg (7) directly bears roof system load, and by roof system
Load is transferred directly to the end bay four limbs lattice column (9);The crane load of upper strata crane (3) passes sequentially through the upper strata shoulder beam
(1), after the interior limb post (8) and lower floor's shoulder beam (2), it is eventually transferred to the end bay four limbs lattice column (9);The lower floor
After the crane load of crane (4) is delivered to lower floor's shoulder beam (2), it is delivered to after the stress check calculation of lower floor's shoulder beam (2)
The end bay four limbs lattice column (9).
Preferably, the roof leg (7) uses box-type section.
Preferably, the interior limb post (8) and the roof leg (7) is Height Adjustable, and then adjusts the upper strata crane
(3) height.
Preferably, the end of the upper strata crane girder (5) is additionally provided with upper strata crane braking system (10);The lower floor hangs
The end of bicycle beam (6) is additionally provided with lower floor's crane braking system (11).
Preferably, the end bay four limbs lattice column (9) include being arranged at corner etc. height post limb, between adjacent pillars limb
Batten plate is set;In the top surface of the post limb, abacus is set.
Preferably, the upper strata shoulder beam (1) is 8 side shape structures, including:It is small in (8.1) and it is big while (8.2), small side (8.1)
It is symmetrical horizontally disposed with big side (8.2);It is small in (8.1) and it is big while (8.2) both sides symmetrically connect left side and right edge,
Formed from it is small while (8.1) to it is big while (8.2) structure for extending out, wherein, by from it is small while (8.1) to it is big while (8.2) direction, left side
Include successively with right edge:1st horizontal sides (8.3), extend out hypotenuse (8.4) and the 2nd horizontal sides (8.5);Wherein, the 1st water
The length of flat side (8.3) is more than the length for extending out hypotenuse (8.4);The length for extending out hypotenuse (8.4) is more than the described 2nd
The length of horizontal sides (8.5).
Four limbs side column bilayer shoulder beam supporting construction provided by the invention has advantages below:
(1) present invention can meet bigger lifting capacity, and the biggest lifting capacity of every crane can reach 800 tons;
(2) present invention transmission load is more direct, the load that play hanging object can be transferred directly into end bay four limbs lattice column;
(3) present invention can reduce engineering-built cost, improve the operating efficiency in high-end equipment manufacturing workshop, and reduce work
Make the potential safety hazard of process.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
The present invention is explained, is not intended to limit the present invention.
Double-deck crane in original workshop is using individual layer shoulder beam+bracket of encorbelmenting realization, the sheet of such a double-deck crane
Matter still falls within the category of individual layer shoulder beam, and its operation principle is that individual layer shoulder beam is placed in the top of end bay four limbs lattice column, is undertaken
The large tonnage crane load in upper strata, lower floor's crane is arranged at end bay four limbs lattice column side and encorbelmented on the bracket, is undertaken
The less crane load of tonnage, above-mentioned design construction are only capable of meeting the situation that lower floor's crane tonnage is less than 75 tons, and in workshop
Portion causes part is indoor to use limited space, and the cantilever span of bracket due to encorbelmenting the presence of bracket four limbs lattice column side
Can not be long, otherwise the degree of safety of structure can decrease.With the appearance of Large-Scale Equipment, such a structural form can not meet existing
There is the use demand in high-end equipment manufacturing workshop, to promote the development of the high-end equipment manufacture in China, solve conventional double crane
The defects of elevating capacity is insufficient, lifting scope is too small and degree safe to use is not high, the present invention provides a kind of four limbs side column bilayer shoulder
Beam supporting construction, its advantage is that the biggest lifting capacity of every crane can reach 800 tons, and the load for playing hanging object is directly transmitted
To end bay four limbs lattice column, and the potential safety hazard of construction costs and the course of work is reduced, improve high-end equipment manufacturing workshop
Operating efficiency.
With reference to figure 1- Fig. 3, including:End bay four limbs lattice column 9, end bay four limbs lattice column 9 are surrounded by 4 equal leg angles
The structure of rectangular cross-section, the top surface of end bay four limbs lattice column 9 are horizontally disposed with lower floor's shoulder beam 2, lower floor's shoulder beam 2 centrally along front and rear
Direction respectively sets an interior limb post 8, and the bottom surface of interior limb post 8 is fixedly connected with lower floor shoulder beam 2;The right side both ends of lower floor's shoulder beam 2 are each
One roof leg 7 is set, also, the height of roof leg 7 is higher than the height of interior limb post 8;The top surface of interior limb post 8 is horizontally disposed with upper strata
Shoulder beam 1, also, upper strata shoulder beam 1 is fixedly connected with interior limb post 8 and roof leg 7 respectively;Upper strata shoulder beam 1 and lower floor's shoulder beam 2 are located at room
The homonymy of lid limb 7;
The upper strata crane girder 5 of upper strata crane 3 is positioned over the top surface of upper strata shoulder beam 1, and lower floor's crane girder 6 of lower floor's crane 4 is put
It is placed in the top surface of lower floor's shoulder beam 2;Roof leg 7 directly bears roof system load, and roof system load is transferred directly into end bay four limbs lattice
Structure post 9;After the crane load of upper strata crane 3 passes sequentially through upper strata shoulder beam 1, interior limb post 8 and lower floor's shoulder beam 2, side is eventually transferred to
Across four limbs lattice columns 9;After the crane load of lower floor's crane 4 is delivered to lower floor's shoulder beam 2, passed after the stress check calculation of lower floor's shoulder beam 2
It is delivered to end bay four limbs lattice column 9.
In addition, for the end bay four limbs lattice column 9 of rectangular cross-section, shape of the present invention to lower floor's shoulder beam and upper strata shoulder beam
Further Fine design is carried out, using following the lower floor shoulder beams and upper strata shoulder beam corresponding with end bay four limbs lattice column, through this
Inventor carries out lot of experiments checking, the support strength of overall double-deck shoulder beam can be effectively improved, so as to meet double-deck large-tonnage
The use demand of crane.
Specifically, lower floor's shoulder beam 2 uses the rectangular band circumference angle plane corresponding with end bay four limbs lattice column cross sectional shape
Structure, the area and shape of lower floor's shoulder beam 2 are slightly larger than the area and shape in the section of end bay four limbs lattice column, when lower floor's shoulder beam
When being positioned over the top surface of end bay four limbs lattice column, the top surface of end bay four limbs lattice column can be covered comprehensively, so as to effectively to end bay
Four limbs lattice column transmits load.Certainly, in practical application, lower floor's shoulder beam can be consolidated with end bay four limbs lattice column using welding manner
It is fixed.Upper strata shoulder beam 1 is 8 side shape structures, with reference to figure 3, including:It is small while 8.1 and it is big while 8.2, it is small while 8.1 and it is big while 8.2 or so pairs
Claim horizontally disposed;It is small while 8.1 and it is big while 8.2 both sides symmetrically connect left side and right edge, formed from it is small while 8.1 to it is big while
8.2 structures extended out, wherein, by from it is small while 8.1 to it is big while 8.2 directions, left side and right edge include successively:1st horizontal sides
8.3rd, the horizontal sides 8.5 of hypotenuse 8.4 and the 2nd are extended out.Wherein, the length of the 1st horizontal sides 8.3 is more than the length for extending out hypotenuse 8.4;Outside
The length for expanding hypotenuse 8.4 is more than the length of the 2nd horizontal sides 8.5.Roof leg 7 and being welded and fixed for upper strata shoulder beam are a little oblique positioned at extending out
The intersecting position of the horizontal sides 8.5 of side 8.4 and the 2nd.The upper strata shoulder beam 1 of form is adopted the structure, interior limb post 8 uses and is similarly square
The left side of upper strata shoulder beam, the i.e. position close to small side 8.1 are fixed in the structure of tee section, the top of interior limb post 8, and roof leg 7
Setting quantity be two, with being welded and fixed a little positioned at the both ends on the right side of upper strata shoulder beam, i.e., close big side 8.2 for upper strata shoulder beam
Position, and upper strata crane girder 5 be positioned over upper strata shoulder beam 1 top surface and close to small side 8.1 position, such a distribution of force side
Formula, stress balance can be haveed the function that, realize that upper strata shoulder beam effectively transmits the load and upper strata crane girder 5 of roof leg 7
Load, so as to improve the support strength of upper strata shoulder beam.
Furthermore, it is necessary to, it is emphasized that because the double-deck shoulder beam of the invention designed is the end bay four limbs lattice for section rectangle
Structure post and design, when the upper strata shoulder beam and lower floor's shoulder beam of shape shown in design drawing 3, the quantity of roof leg 7 and interior limb post 8 and
Position is also required to carry out Fine design, so as to effectively improve the support strength of overall double-deck shoulder beam, i.e.,:The design of roof leg 7
Quantity is 2, and the right-hand member of upper strata shoulder beam and lower floor's shoulder beam is fixed with roof leg 7 to be welded;Also, to realize upper strata shoulder beam with
The effect of layer shoulder beam dislocation, the horizontal length of lower floor's shoulder beam are longer than the horizontal length of upper strata shoulder beam.The design quantity of interior limb post 8 is
1, its bottom and the horizontal axis position of lower floor's shoulder beam are welded and fixed, and its top leads to being welded and fixed on the left of the shoulder beam of upper strata
Interior limb post 8 is crossed, upper strata crane load is delivered to lower floor's shoulder beam;And roof load is also transmitted by upper strata shoulder beam and interior limb post 8
To lower floor's shoulder beam;The levels crane load and roof load that bear are passed to end bay four limbs lattice column by lower floor's shoulder beam again.
In the present invention, upper strata shoulder beam and lower floor's shoulder beam are located at the homonymy of roof leg, but the horizontal length of upper strata shoulder beam is shorter than
The horizontal length of lower floor's shoulder beam, the effect of upper strata shoulder beam and lower floor's shoulder beam dislocation is achieved in, so as to facilitate Dual-layer crane
Dislocation lifting.
In practical application, roof leg 7 uses box-type section.Interior limb post 8 and roof leg 7 it is Height Adjustable, and then adjust
The height of upper strata crane 3.The end of upper strata crane girder 5 is additionally provided with upper strata crane braking system 10;The end of lower floor's crane girder 6
It is additionally provided with lower floor's crane braking system 11.
End bay four limbs lattice column 9 can use following structure type:Including be arranged at corner etc. height post limb, adjacent pillars
Batten plate is set between limb;In the top surface of post limb, abacus is set.
In addition, to improve the support force of end bay four limbs lattice column 9, end bay four limbs lattice column can be connected by shaped steel with batten plate
The combination cylinder connect, shaped steel are the angle steel formed with steel plate rolling, and it subtracts than the angle steel of the dual-layer welding of same thickness
Room, no welding deformation and the rigidity that ensure that angle steel are overlapped less;Stake holes is dug on ground, the concrete perfusion base in post holes
Plinth, the bottom of shaped steel is drilled into the inside of concrete foundation, and finally pours, and the bottom of shaped steel is firmly tied with concrete foundation
Close, improve the support strength of shaped steel.Batten plate part includes moment reinforcement;Moment reinforcement is connected between adjacent shaped steel, is used
Moment reinforcement is as the benefit of batten plate:Lattice column can be made when bearing horizontal force, there is enough bearing capacitys and resistance to become
Shape ability, the deformation by sewing part reaches good lateral resisting energy consumption effect, while steel using amount is reduced, and building cost reduces.
As can be seen here, it is provided by the invention a kind of for high-end equipment manufacturing workshop side column upper support bilayer crane girder
Primary structure member, by two stiffness layers, greatly horizontal shoulder beam, inner prop limb and roof leg collectively constitute, and its operation principle is:Upper and lower two
Layer crane girder can be placed directly in the top surface of every layer of shoulder beam, and upper strata crane is transmitted by the stress check calculation of bottom shoulder beam by interior limb post
Load;Roof leg directly bears roof system load, and roof system load is transferred directly into four limbs lattice column;Upper strata shoulder beam is mainly held
Carry on a shoulder pole upper strata crane load.The roof load that lower floor's shoulder beam mainly undertakes lower floor's crane load and roof leg transmission comes, suitable for double
In the high-end equipment manufacturing workshop of layer super-tonnage crane, playing hanging object can be lifted by crane by the dislocation of Dual-layer crane, and be lifted by crane
Thing is not limited by locus, can solve the problem that overweight object is being processed and the lifting problem in manufacturing process;Wherein, upper strata is hung
The lifting capacity of car can according to interior limb away from size and the rigidity of lower floor's shoulder beam be adjusted.
End bay four limbs lattice column bilayer shoulder beam has advantages below compared with traditional individual layer crane+bracket of encorbelmenting construction:
(1) compared with traditional individual layer crane+bracket of encorbelmenting construction, the present invention can meet bigger lifting capacity, and every is hung
The biggest lifting capacity of car can reach 800 tons;
(2) compared with traditional individual layer crane+bracket of encorbelmenting construction, present invention transmission load is more direct, will can lift by crane
The load of thing is transferred directly to end bay four limbs lattice column;
(3) compared with traditional individual layer crane+bracket of encorbelmenting construction, the present invention can reduce engineering-built cost, improve high
The operating efficiency in equipment manufacturing workshop is held, and reduces the potential safety hazard of the course of work.
Therefore, end bay four limbs lattice column bilayer shoulder beam be it is a kind of can completely replace with conventional monolayers shoulder beam+bracket of encorbelmenting
Structure type, its applicable surface is more extensive, has higher promotional value in high-end equipment manufacturing workshop.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.