CN201080409Y

CN201080409Y - Steel structure bearing beam

Info

Publication number: CN201080409Y
Application number: CNU2007202009542U
Authority: CN
Inventors: 林居章; 尹海宜; 冯伟权; 莫天冰
Original assignee: LIUZHOU VLM PRESTRESSED CO Ltd
Current assignee: LIUZHOU VLM PRESTRESSED CO Ltd
Priority date: 2007-08-31
Filing date: 2007-08-31
Publication date: 2008-07-02
Anticipated expiration: 2017-08-31

Abstract

The utility model relates to the construction machinery technical field, in particular to a steel constructive spandrel girder for the hoisting machinery. The utility model is characterized in that the steel constructive spandrel girder comprises a girder body; at least two anchor plates are arranged along the length direction of the girder body, and the adjacent anchor plates are anchored with steel stranded wires anchored by prestress; the girder can be made of the proximate matter such as girder steel, H section steel and channel steel. Compared with the prior art, the utility model adopts proximate matter as the girder body, the anchor plates are arranged along the length direction of the girder body, and the adjacent anchor plates are anchored with steel stranded wires anchored by prestress , and then the yield strength required by the girder body is realized; thus the trivial technical processes containing calculation of the material cutting, tailoring and bending, and splicing in the prior art are left out; and the steel constructive spandrel girder for hoisting machinery also has the advantages of low operation noise, stable lifting and walking, small structure, firmness and good appearance.

Description

Steel structure bearing beam

Technical field

The utility model relates to the vehicle for construction technical field, especially a kind of bearing beam that is used for elevator machinery.

Background technology

At present, the elevator machinery that uses on the market as: driving, overhead traveling crane, gauntry crane, ship hang, car hangs etc., their girder all be directly with iron plate or angle bar according to on-site parameters design, technology processing such as cutting, bending, assembly unit welding, make it to form complete rectangular box, do not use prestressing technique.Because the elevator machinery large span needs bending resistance, does not use prestress during fabrication again, in order to reach required yield strength, its girder often will design very big, and it is also big to occupy the space, again because be hollow box body, have casing resonance in the process of walking, produce noise and reach more than 80 decibels.Also must be in making fitting process in the face of blanking, piece together technological process to a series of complexity such as, welding, increased labour cost greatly.

Summary of the invention

The purpose of this utility model just provides a kind of loaded down with trivial details technological processes such as calculating blanking, cutting bending, splicing that can save, and operation sound is little, lifting smooth running, the little and solid steel structure bearing beam attractive in appearance of structure.

Solution of the present utility model is such: include the beam body, along beam body length direction at least two anchor plates are installed, the anchoring of adjacent anchor backing plate has the steel strand of prestress anchoraging.

In such scheme, described steel strand can be to be anchored in the beam body, also can be that to be anchored at beam external; Described beam body can be to adopt I-beam section or H shaped steel; Described beam body also can be adopt two channel-section steel notches to outer bottom connect relatively and, can also be to adopt two channel-section steel notches to be spliced relatively.

The utility model has the advantages that: adopt section bar as the beam body, length direction along the beam body is installed anchor plate, the steel strand of installing prestress anchoraging between adjacent anchor plate, can reach the required yield strength of beam body, operation sound is little, the lifting smooth running, structure is little and solid attractive in appearance, saves prior art and must calculate loaded down with trivial details technological processes such as blanking, cutting bending, splicing.

Description of drawings

Accompanying drawing is embodiment of the present utility model.

Accompanying drawing 1 is the structure intention of the utility model embodiment 1.

Accompanying drawing 2 is A-A views of accompanying drawing 1.

Accompanying drawing 3 is the local enlarged diagrams at accompanying drawing 1A place.

Accompanying drawing 4 is structure intentions of the utility model embodiment 2.

Accompanying drawing 5 is B-B views of accompanying drawing 4.

Accompanying drawing 6 is structure intentions of the utility model embodiment 3.

Accompanying drawing 7 is C-C views of accompanying drawing 6.

Accompanying drawing 8 is the local enlarged diagrams at accompanying drawing 6B place.

Accompanying drawing 9 is structure intentions of the utility model embodiment 4.

Accompanying drawing 10 is D-D views of accompanying drawing 9.

Accompanying drawing 11 is structural representations that the utility model is used for crane beam.

Accompanying drawing 12 is E-E views of accompanying drawing 11.

Accompanying drawing 13 is structural representations that the utility model is used for the twin-spar construction crane beam.

Accompanying drawing 14 is F-F views of accompanying drawing 13.

The specific embodiment

Present embodiment includes end face shrouding 1, anchor slab 2, anchor plate 3, saddle 4, beam body 5, steel strand 6, guide pipe 7, anticorrosion grease 8, cement concrete 9.

Along beam body 5 length directions at least two anchor plates 3 are installed, 3 anchorings of adjacent anchor backing plate have the steel strand 6 of prestress anchoraging.

Described steel strand 6 are to be anchored in the beam body 5, or are anchored at outside the beam body 5.

Described beam body 5 is to adopt I-beam section or H shaped steel, is arranged at intervals with saddle 4 in the outside of I-beam section or H shaped steel, and steel strand 6 pass in saddle 4, are anchored at outside the beam body 5.

Described beam body 5 is to adopt two channel-section steel notches to be connected into the beam body relatively to outer bottom, is filled with concrete eight in the beam body 5, and steel strand 6 are to be fixed in the concrete eight.

Described beam body 5 is to adopt two channel-section steel notches to be spliced into the beam body relatively, is arranged at intervals with saddle 4 in the beam body 5, and steel strand 6 pass in saddle 4, are anchored in the beam body 5, are filled with concrete eight in beam body 5.

In Fig. 1, Fig. 2, embodiment 1 of the present utility model shown in Figure 3, described beam body 5 is to adopt the I-beam section section bar, two anchor plates 3 are installed at the two ends of steel I-beam body 5, be arranged at intervals with saddle 4 in the outside of steel I-beam body, steel strand 6 pass in saddle 4, and two ends are anchored on two anchor plates 3.Be coated with guide pipe 7 and anticorrosion grease 8 at steel strand 6.The two ends of beam body seal with end face shrouding 1.

In Fig. 4, embodiment 2 of the present utility model shown in Figure 5, described beam body 5 is to adopt H shaped steel section bar, at the two ends of H section steel beam body 5 two anchor plates 3 is installed, and is arranged at intervals with saddle 4 in the outside of H section steel beam body, steel strand 6 pass in saddle 4, and two ends are anchored on two anchor plates 3.Be coated with guide pipe 7 and anticorrosion grease 8 at steel strand 6.The two ends of beam body seal with end face shrouding 1.

In Fig. 5, Fig. 6, embodiment 3 of the present utility model shown in Figure 7, described beam body 5 is to adopt notch to be connected into the beam body relatively to outer bottom, in the beam body, be equiped with three steel strand 6, the two ends of these steel strand 6 are anchored on the anchor slab 2 and anchor plate 3 that is installed in beam body two ends, the two ends of beam body are filled with cement concrete 9 with 1 sealing of end face shrouding in the beam body.

In Fig. 8, embodiment 4 of the present utility model shown in Figure 9, described beam body 5 is to adopt two channel-section steel notches to be spliced into end face relatively to be sealed to the case beam and to connect I-beam section in the case beam with shrouding, in the beam body, be equiped with four steel strand 6, the two ends of these steel strand 6 are fixed on the anchor slab 2 and anchor plate 3 that is installed in beam body two ends, the two ends of beam body are cast with cement concrete 9 with 1 sealing of end face shrouding in beam body 5.

The utility model is during fabrication with 5 tons of liftings, the driving that span is 12 meters is an example, leaning against the back with two 40a channel-section steels connects with axle, channel-section steel is long 12 meters, and installing is with the steel strand of prestress anchoraging in two channel-section steels lean against the casing of formation, the antiarch value is 10mm after being stretched to 60 tons, increase gradually under static pressure to 5 ton hour and be bent into 12mm, 7 ton hours are 20mm, have improved the yield strength of beam greatly.Pass through the placing concrete anti-corrosion treatment again, formed the complete structural beams that contains stress after the moulding, demonstrate fully the characteristics solid, that volume is little.

The utility model can be used for large-sized gantry driving girder, auxiliary girder, as Figure 11, shown in Figure 12.Twin beam overhead bridge crane girder such as Figure 13, shown in Figure 14.Ring-like driving girder.The stationary crane girder, auxiliary girder.The high pedestal jib crane girder, auxiliary girder.L, C, H type hoisting crane and driving girder, auxiliary girder.Metallurgical bridging crane main beam etc.Energy-conservation, efficient, the performance of lifting industry all are further improved.

Claims

1. a steel structure bearing beam includes beam body (5), it is characterized in that: along beam body (5) length direction at least two anchor plates (3) are installed, adjacent anchor backing plate (3) anchoring has the steel strand (6) of prestress anchoraging.

2. steel structure bearing beam according to claim 1 is characterized in that: described steel strand (6) are to be anchored in the beam body (5).

3. steel structure bearing beam according to claim 1 is characterized in that: described steel strand (6) are to be anchored at outside the beam body (5).

4. according to claim 1 or 3 described steel structure bearing beams, it is characterized in that: described beam body (5) is to adopt I-beam section or H shaped steel.

5. according to claim 1 or 2 or 3 described steel structure bearing beams, it is characterized in that: described beam body (5) is to adopt two channel-section steel notches to be connected into the beam body relatively to outer bottom.

6. according to claim 1 or 2 or 3 described steel structure bearing beams, it is characterized in that: described beam body (5) is to adopt two channel-section steel notches to be spliced into the beam body relatively.

7. steel structure bearing beam according to claim 4 is characterized in that: be arranged at intervals with saddle (4) in the outside of I-beam section or H shaped steel, steel strand (6) pass in saddle (4), are anchored at outside the beam body (5).

8. steel structure bearing beam according to claim 5 is characterized in that: be filled with cement concrete (8) in the described beam body (5), steel strand (6) are to be fixed in the cement concrete (8).

9. steel structure bearing beam according to claim 6 is characterized in that: be arranged at intervals with saddle (4) in the described beam body (5), steel strand (6) pass in saddle (4), are anchored in the beam body (5).

10. steel structure bearing beam according to claim 9 is characterized in that: be filled with cement concrete (8) in described beam body (5).