CN207194301U - Double limb side column bilayer shoulder beam supporting constructions - Google Patents

Abstract

The utility model provides a kind of double limb side column bilayer shoulder beam supporting constructions, including：The double limb lattice columns (9) of end bay, the top surface of the double limb lattice columns of end bay are horizontally disposed with lower floor's shoulder beam, the centrally disposed interior limb post (8) of lower floor's shoulder beam (2)；The right side of lower floor's shoulder beam (2) sets a roof leg (7)；The top surface of interior limb post (8) is horizontally disposed with upper strata shoulder beam (1), also, the left end of upper strata shoulder beam (1) is fixedly connected with the interior limb post (8)；The right-hand member of the upper strata shoulder beam (1) is fixedly connected with the roof leg (7).With advantages below：(1) the utility model can meet bigger lifting capacity, and the biggest lifting capacity of every crane can reach 400 tons；(2) the utility model transmission load is more direct, and the load that play hanging object can be transferred directly to the double limb lattice columns of end bay；(3) the utility model can reduce engineering-built cost, improve the operating efficiency in high-end equipment manufacturing workshop, and reduce the potential safety hazard of the course of work.

Description

Two-layer side column shoulder beam support structure

technical field

The utility model belongs to the technical field of high-end equipment manufacturing, and in particular relates to a double-layer shoulder beam support structure with double limb side columns.

Background technique

The high-end equipment manufacturing industry is a pillar industry of the national economy, a leading force in industrialization and modernization, and an important symbol to measure the comprehensive economic strength and international competitiveness of a country or region. To this end, my country put forward the development outline of "Made in China 2025" on September 5, 2015. The outline clearly proposes the development of marine engineering equipment and high-tech ships, including: vigorously develop deep-sea exploration, resource development and utilization, and offshore operation support equipment And its key systems and special equipment; promote the development and engineering of deep-sea space stations and large floating structures, form comprehensive testing, testing and identification capabilities for marine engineering equipment, and improve the level of marine development and utilization.

The realization of the above-mentioned manufacturing technology and high-end marine equipment is inseparable from the equipment manufacturing workshop, especially for the manufacture of large-scale high-end equipment, which requires the strong support of double-layer super large-tonnage cranes.

The double-deck cranes in the existing production workshop are all realized by single-deck shoulder beam + cantilevered corbel. This kind of double-deck crane support structure still belongs to the category of single-deck shoulder girder in essence, and has the problem of limited support strength, which cannot meet the needs of cranes. The demand for large tonnage and lifting capacity.

Utility model content

Aiming at the defects existing in the prior art, the utility model provides a double-layer shoulder-beam support structure with double-limb side columns, which can effectively solve the above-mentioned problems.

The technical scheme that the utility model adopts is as follows:

The utility model provides a double-layer shoulder-beam support structure with double-limb side columns, which is characterized in that it comprises: a side-span double-limb lattice column (9), and the side-span double-limb lattice column (9) has two A concrete column with limbs connected by webs, its cross-section is a straight structure, and the top surface of the side-span double-leg lattice column (9) is horizontally provided with a lower shoulder beam (2), and the lower shoulder beam (2 ) is provided with an inner leg column (8) at the center, and the bottom surface of the inner leg column (8) is fixedly connected with the central position of the lower shoulder beam (2); the right side of the lower layer shoulder beam (2) is provided with a roof Cover limbs (7), and the height of the roof limbs (7) is higher than the height of the inner limb column (8); the top surface of the inner limb column (8) is horizontally provided with an upper shoulder beam (1) , and, the left end of the upper shoulder beam (1) is fixedly connected with the inner leg column (8); the right end of the upper shoulder beam (1) is fixedly connected with the roof limb (7); the lower layer The shoulder beam (2) and the upper shoulder beam (1) form an up and down dislocation structure, and the lower shoulder beam (2) and the upper shoulder beam (1) are located on the same side of the roof leg (7); The horizontal length of the lower floor shoulder beam (2) is longer than the horizontal length of the upper floor shoulder beam (1); the right side of the lower floor shoulder beam (2) and the upper floor shoulder beam (1) is located on the same vertical line; the The left side of the lower shoulder beam (2) is located outside the left side of the upper shoulder beam (1);

The upper crane beam (5) of the upper crane (3) is placed on the top surface of the upper shoulder beam (1), and the lower crane beam (6) of the lower crane (4) is placed on the top of the lower shoulder beam (2). surface; the roof limb (7) directly bears the roof load, and directly transmits the roof load to the side-span double-leg lattice column (9); the crane load of the upper crane (3) passes through the upper layer in turn After the shoulder girder (1), the inner leg column (8) and the lower shoulder girder (2), it is finally transferred to the side-span double-leg lattice column (9); the crane of the lower crane (4) After the load is transferred to the lower shoulder beam (2), it is transferred to the side-span double-leg lattice column (9) after being transformed by the force of the lower shoulder beam (2).

Preferably, the shoulder beam (2) of the lower layer is in the shape of a figure-eight gourd, and the shoulder beam (2) of the lower layer is an integrally formed structure, including: a rectangular plane (2.1) at the center, the rectangular plane (2.1) A left hexagon and a right hexagon are arranged symmetrically on both sides of the left and right sides; the left hexagon and the right hexagon are all hexagonal outward expansion shapes, and both include: a small side (2.2) and a large side (2.3 ), the small side (2.2) and the large side (2.3) are symmetrically arranged horizontally; the small side (2.2) is in contact with the side of the rectangular plane (2.1); the small side (2.2) and Both sides of the large side (2.3) are symmetrically connected to the left side and the right side to form a structure expanding from the small side (2.2) to the large side (2.3), wherein, according to the In the direction from (2.2) to the large side (2.3), the left side and the right side sequentially include: an outwardly expanded hypotenuse (2.4) and a horizontal side (2.5).

The double-layer shoulder-beam supporting structure of the double limb side column provided by the utility model has the following advantages:

(1) The utility model can satisfy larger lifting capacity, and the maximum lifting capacity of each crane can reach 400 tons;

(2) The load transfer of the utility model is more direct, and the load of the hoisted object can be directly transferred to the side-span double-leg lattice column;

(3) The utility model can reduce the construction cost of the project, improve the working efficiency of the high-end equipment manufacturing workshop, and reduce the safety hazards in the working process.

Description of drawings

Fig. 1 is the overall structure schematic diagram of double-layer shoulder beam supporting structure of double-limb side column provided by the utility model;

Fig. 2 is the schematic cross-sectional view of the lower shoulder beam of the double-layer shoulder beam support structure of the double limb side column provided by the utility model;

Fig. 3 is a schematic cross-sectional view of the upper shoulder beam of the double-layer shoulder beam supporting structure of the double limb side column provided by the utility model.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The double-deck cranes in the original production workshop are realized by single-deck shoulder beam + cantilevered corbel. The essence of this kind of double-deck crane still belongs to the category of single-deck shoulder beam. The upper part of the double-leg lattice column is used to bear the load of the crane with a relatively large tonnage on the upper floor, and the lower crane is installed on the corbel cantilevered from the side of the double-leg lattice column to bear the load of the crane with a small tonnage. The above design The structure can only meet the condition that the tonnage of the crane on the lower floor is less than 75 tons. Due to the presence of cantilevered corbels on the side of the double-legged lattice column in the workshop, part of the indoor space is limited, and the cantilevered length of the corbels cannot be too long, otherwise The safety of the structure will be reduced accordingly. With the emergence of large-scale equipment, this type of structure cannot meet the needs of the existing high-end equipment manufacturing workshops. In order to promote the development of my country's high-end equipment manufacturing industry, it solves the problem of insufficient lifting capacity, small lifting range and safe use of traditional double-deck cranes. The utility model provides a double-layer shoulder-beam support structure with side columns for both limbs, which has the advantage that the maximum lifting capacity of each crane can reach 400 tons, and the load of the hoisted object can be directly transmitted to the two limbs of the side span. Lattice columns, and reduce the project cost and safety hazards in the working process, and improve the work efficiency of high-end equipment manufacturing workshops.

Referring to Fig. 1-Fig. 3, it includes: side-span double-leg lattice column 9, side-span double-leg lattice column 9 is a concrete column with two limb bars connected by web bars, its cross-section is a straight structure, side-span The lower shoulder beam 2 is horizontally set on the top surface of the double-leg lattice column 9, and the inner leg column 8 is arranged at the center of the lower shoulder beam 2, and the bottom surface of the inner leg column 8 is fixedly connected with the center position of the lower shoulder beam 2; the lower shoulder beam 2 A roof leg 7 is set on the right side of the roof, and the height of the roof leg 7 is higher than the height of the inner leg column 8; the top surface of the inner leg column 8 is horizontally provided with an upper floor shoulder beam 1, and the left end of the upper floor shoulder beam 1 is connected to the The inner limb column 8 is fixedly connected; the right end of the upper shoulder beam 1 is fixedly connected with the roof limb 7; On the same side; the horizontal length of the lower shoulder beam 2 is longer than that of the upper shoulder beam 1; the right sides of the lower shoulder beam 2 and the upper shoulder beam 1 are located on the same vertical line; the left side of the lower shoulder beam 2 is located at the upper shoulder beam 1 left exterior;

The upper crane beam 5 of the upper crane 3 is placed on the top surface of the upper shoulder beam 1, and the lower crane beam 6 of the lower crane 4 is placed on the top surface of the lower shoulder beam 2; the roof leg 7 directly bears the roof load, and the roof The load is directly transmitted to the double-leg lattice column 9 of the side span; the crane load of the upper crane 3 passes through the upper shoulder beam 1, the inner limb column 8 and the shoulder beam 2 of the lower floor in turn, and is finally transmitted to the double-leg lattice column 9 of the side span; the lower floor After the crane load of the crane 4 is transferred to the shoulder beam 2 of the lower floor, it is transferred to the side-span double-leg lattice column 9 after the force conversion of the shoulder beam 2 of the lower floor.

In addition, for the side-span double-leg lattice column 9 with a straight cross-section, the utility model further refines the shape of the lower shoulder beam and the upper shoulder beam, and adopts the following corresponding to the side-span double-leg lattice column The lower shoulder beam and the upper shoulder beam of the utility model can effectively improve the supporting strength of the overall double-layer shoulder beam through a large number of tests conducted by the inventors, thereby meeting the use requirements of double-layer large-tonnage cranes.

Specifically, the shoulder beam 2 of the lower floor adopts a figure-eight gourd-shaped planar structure corresponding to the section shape of the side-span double-leg lattice column, and the area and shape of the lower floor shoulder beam 2 are slightly larger than the cross-sectional area of the side-span double-leg lattice column 9 and shape, when the lower shoulder beam is placed on the top surface of the side-span double-leg lattice column 9, it can fully cover the top surface of the side-span double-leg lattice column 9, thereby effectively transferring loads to the side-span double-leg lattice column . Of course, in practical applications, the lower shoulder girder and the side-span double-leg lattice column 9 can be fixed by welding. Specifically, referring to Fig. 2, the shoulder beam 2 of the lower floor is in the shape of an 8-shaped gourd, and the shoulder beam 2 of the lower floor is an integrally formed structure, including: a rectangular plane 2.1 located in the center, and a left hexagon and a left hexagon are arranged symmetrically on the left and right sides of the rectangular plane 2.1 The right hexagon; the left hexagon and the right hexagon are both hexagonal expansion shapes, including: small side 2.2 and large side 2.3, small side 2.2 and large side 2.3 are horizontally symmetrically arranged; small side 2.2 and The sides of the rectangular plane 2.1 are in contact; the two sides of the small side 2.2 and the large side 2.3 are symmetrically connected to the left side and the right side, forming a structure that expands from the small side 2.2 to the large side 2.3, wherein, according to the small side 2.2 to the large side 2.3 direction, the left side and the right side sequentially include: the outwardly expanded hypotenuse 2.4 and the horizontal side 2.5. Wherein, the shape and area of the rectangular plane 2.1 are equal to the shape and area of the inner limb column 8, and the bottom of the inner limb column 8 is welded and fixed with the rectangular plane 2.1.

Referring to Figure 3, the upper shoulder beam 1 is an octagonal structure, including: the short side 8.1 and the long side 8.2, and the short side 8.1 and the long side 8.2 are symmetrically arranged horizontally; the two sides of the short side 8.1 and the long side 8.2 are symmetrically connected to the left side The side and the right side form a structure expanding from the short side 8.1 to the long side 8.2, wherein, according to the direction from the short side 8.1 to the long side 8.2, the left side and the right side include: the first horizontal short side 8.3, Extended hypotenuse 8.4 and the second horizontal long side 8.5. For the upper shoulder beam 1 with this structure, the top of the inner leg column 8 is fixed on the left side of the upper shoulder beam, that is, near the short side 8.1, and the welding fixing point between the roof leg 7 and the upper shoulder beam is located on the upper shoulder beam. The right side of the beam is close to the long side 8.2, and the upper crane beam 5 is placed on the top surface of the upper shoulder beam 1 and close to the short side 8.1. This kind of force distribution can achieve force balance. Realize that the upper shoulder girder effectively transmits the load of the roof leg 7 and the load of the upper crane girder 5, thereby improving the supporting strength of the upper shoulder girder.

In addition, it needs to be emphasized that since the double-layer shoulder beam designed by the utility model is designed for the side-span double-leg lattice column 9 with a straight cross section, when the lower shoulder beam of the shape shown in Figure 2 and Figure 3 is designed When combined with the upper shoulder beam, the number and position of the roof limb 7 and the inner limb column 8 also need to be carefully designed, so as to effectively improve the support strength of the overall double-layer shoulder beam, that is, the design number of the roof limb 7 is 1 , the right ends of the upper shoulder beam and the lower shoulder beam are fixedly welded with the roof leg 7; and, in order to realize the dislocation effect of the upper shoulder beam and the lower shoulder beam, the horizontal length of the lower shoulder beam is longer than that of the upper shoulder beam. The design quantity of the inner leg column 8 is 1, the bottom of which is welded and fixed to the center of the horizontal axis of the lower shoulder beam, and its top is welded and fixed to the left rectangular part of the upper shoulder beam, and the load of the upper crane is transmitted through the inner leg column 8 to the lower shoulder girder; and the roof load is transmitted to the lower shoulder girder through the upper shoulder girder and the inner leg column 8;

In the utility model, the upper shoulder beam and the lower shoulder beam are located on the same side of the roof limb, but the horizontal length of the upper shoulder beam is shorter than the horizontal length of the lower shoulder beam, thereby realizing the dislocation effect of the upper shoulder beam and the lower shoulder beam, Thereby it is convenient for the upper and lower double-deck cranes to lift in dislocation.

In practical application, the heights of the inner leg column 8 and the roof leg 7 can be adjusted, and then the height of the upper crane 3 can be adjusted. The end of the upper crane beam 5 is also provided with an upper crane braking system 10 ; the end of the lower crane beam 6 is also provided with a lower crane braking system 11 . Roof limbs usually adopt H-shaped cross-sections and transfer the roof load directly to the double-leg lattice columns.

The side-span double-leg lattice column 9 can adopt the following structural forms: include column limbs of equal height arranged on both sides, and set up panels between adjacent column limbs; set column top plates on the top surface of the column limbs.

In addition, in order to improve the supporting force of the side-span double-limb lattice column 9, the side-span double-limb lattice column can be a composite column formed by connecting section steel with a patch plate, and the section steel is an angle steel rolled from a thick steel plate. Compared with the double-layer welded angle steel of the same thickness, it reduces the overlap space, has no welding deformation and ensures the rigidity of the angle steel; digs pile holes on the ground, pours concrete foundation in the column hole, and drills the bottom of the section steel into the interior of the concrete foundation , and finally poured, so that the bottom of the shaped steel is firmly combined with the concrete foundation, and the supporting strength of the shaped steel is improved. The panel part includes curved steel bars; the curved steel bars are connected between adjacent section steels. The advantage of using curved steel bars as panel panels is that it can make the lattice column have sufficient bearing capacity and resistance to deformation when it bears horizontal force. The deformation of the accessories achieves a good effect of anti-lateral force and energy consumption, and at the same time reduces the amount of steel used and reduces the construction cost.

It can be seen that the utility model provides a force-bearing member for supporting the double-layer crane beam on the side column of the high-end equipment manufacturing workshop. , its working principle is: the upper and lower crane girders can be placed directly on the top surface of each shoulder beam, and the load of the upper crane is transmitted by the inner leg column through the stress conversion of the bottom shoulder beam; the roof leg directly bears the roof load, And the roof load is directly transmitted to the double-leg lattice column; the upper shoulder beam mainly bears the load of the upper crane. The lower shoulder beam mainly bears the load of the lower crane and the roof load transmitted by the roof limbs. It is suitable for high-end equipment manufacturing workshops with double-deck super-large-tonnage cranes. It can solve the lifting problem of overweight objects in the process of processing and manufacturing; among them, the lifting capacity of the upper crane can be adjusted according to the size of the inner leg distance and the stiffness of the lower shoulder beam.

Compared with the traditional single-layer crane + cantilever corbel structure, the double-layer shoulder beam of the side-span double-leg lattice column has the following advantages:

(1) Compared with the traditional single-layer crane + cantilevered corbel structure, the utility model can meet a larger lifting capacity, and the maximum lifting capacity of each crane can reach 400 tons;

(2) Compared with the traditional single-layer crane + cantilevered corbel structure, the load transfer of the utility model is more direct, and the load of the lifting object can be directly transferred to the side-span double-leg lattice column;

(3) Compared with the traditional single-layer crane + cantilevered corbel structure, the utility model can reduce the construction cost, improve the work efficiency of the high-end equipment manufacturing workshop, and reduce the safety hazards in the working process.

Therefore, the double-layer shoulder beam of the side-span double-leg lattice column is a structural form that can completely replace the traditional single-layer shoulder beam + cantilevered corbel. Promote value.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be considered within the protection scope of the present utility model.

Claims (2)

1. A kind of 1. double limb side column bilayer shoulder beam supporting constructions, it is characterised in that including：The double limb lattice columns (9) of end bay, the end bay Double limb lattice columns (9) be with two zeugopodiums and with web member be connected concrete column, its section be in-line structure, the side Across double limb lattice columns (9) top surface be horizontally disposed with lower floor's shoulder beam (2), the centrally disposed interior limb post (8) of lower floor's shoulder beam (2), The bottom surface of the interior limb post (8) is fixedly connected with the center of lower floor's shoulder beam (2)；The right side of lower floor's shoulder beam (2) One roof leg (7) is set, also, the height of the roof leg (7) is higher than the height of the interior limb post (8)；The interior limb post (8) top surface is horizontally disposed with upper strata shoulder beam (1), also, the left end of the upper strata shoulder beam (1) and the fixed company of the interior limb post (8) Connect；The right-hand member of the upper strata shoulder beam (1) is fixedly connected with the roof leg (7)；Lower floor's shoulder beam (2) and the upper strata shoulder beam (1) misconstruction up and down is formed, lower floor's shoulder beam (2) and the upper strata shoulder beam (1) are located at the homonymy of the roof leg (7)； The horizontal length of lower floor's shoulder beam (2) is longer than the horizontal length of the upper strata shoulder beam (1)；Lower floor's shoulder beam (2) and described The right side of upper strata shoulder beam (1) is located on same vertical line；The left side of lower floor's shoulder beam (2) is located at the upper strata shoulder beam (1) The outside in left side；

   The upper strata crane girder (5) of upper strata crane (3) is positioned over the top surface of the upper strata shoulder beam (1), and the lower floor of lower floor's crane (4) hangs Bicycle beam (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 It is transferred directly to the double limb lattice columns (9) of the end bay；The crane load of upper strata crane (3) pass sequentially through the upper strata shoulder beam (1), After the interior limb post (8) and lower floor's shoulder beam (2), the double limb lattice columns (9) of the end bay are eventually transferred to；Lower floor's crane (4) after crane load 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) described The double limb lattice columns (9) of end bay.
2. 2. double limb side column bilayer shoulder beam supporting constructions according to claim 1, it is characterised in that lower floor's shoulder beam (2) For 8 word gourd shapes, lower floor's shoulder beam (2) is one of the forming structure, including：Rectangle plane (2.1) positioned at center, Left hexagon and right hexagon are symmetrical arranged at left and right sides of the rectangle plane (2.1)；The left hexagon and described right six Side shape is that hexagon extends out shape, is included：It is small in (2.2) and it is big while (2.3), it is described it is small in (2.2) and it is described big while (2.3) it is symmetrical horizontally disposed；The small side (2.2) and the contact aside of the rectangle plane (2.1)；The small side (2.2) and the both sides on the big side (2.3) symmetrically connect left side and right edge, are formed from the small side (2.2) to described big The structure that side (2.3) extends out, wherein, by from it is described it is small while (2.2) to it is described big while (2.3) direction, the left side and described Right edge includes successively：Extend out hypotenuse (2.4) and horizontal sides (2.5).