CN212359164U - Trestle type assembling jig frame for steel beam subsection sliding - Google Patents

Abstract

The utility model belongs to the technical field of the steel construction, especially, relate to a bed-jig is assembled to landing stage formula for girder steel segmentation slides, including landing stage formula steel construction bed-jig, be equipped with two slide rails on landing stage formula steel construction bed-jig's the bridge floor structure. And two ends of the bridge deck structure of the trestle type steel structure jig frame are respectively provided with a hook point for connecting a manual or electric hoist. The trestle type steel structure jig frame comprises two lower chords which are arranged side by side, and the two lower chords are fixedly connected through a plurality of cross beams; the slide rail is angle steel, and is parallel with the lower chord, and the mount is established on a plurality of crossbeams. An oblique beam is connected between the two lower chords for reinforcement. The utility model discloses need not to set up the support bed-jig of superelevation, need not to install large-scale tower crane, easy operation, security height simultaneously. And the structure is simple, and the assembly type unit structure is convenient to install, disassemble and transport.

Description

Trestle type assembling jig frame for steel beam subsection sliding

Technical Field

The utility model belongs to the technical field of the steel construction, especially, relate to a bed-jig is assembled to landing stage formula that is used for girder steel segmentation to slide.

Background

Along with the development of steel structure technology in China, the application of a steel structure in a large-span building structure is more and more, in order to meet the requirement of building functions, the span, the section and the weight of a designed component are also more and more large, and particularly, a horizontal hole is formed below the component. At present, a construction method of erecting an ultrahigh supporting jig frame for high-altitude splicing is often adopted in a building site, and due to the fact that the supporting jig frame is ultrahigh, a large potential safety hazard exists, the structure is complex, and installation, disassembly and transportation are troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bed-jig is assembled to landing stage formula for girder steel segmentation slides for the structure is complicated among the solution prior art, installs, dismantles trouble problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bed-jig is assembled to landing stage formula that is used for girder steel segmentation to slide which characterized in that: including landing stage formula steel construction bed-jig, be equipped with two slide rails on landing stage formula steel construction bed-jig's the bridge floor structure.

Furthermore, two ends of the bridge deck structure of the trestle type steel structure jig frame are respectively provided with a hook point for connecting a manual or electric hoist.

Further, the trestle type steel structure jig frame comprises two lower chords which are arranged side by side, and the two lower chords are fixedly connected through a plurality of cross beams; the slide rail is angle steel, and is parallel with the lower chord, and the mount is established on a plurality of crossbeams.

Furthermore, an oblique beam is connected between the two lower chords for reinforcement.

Furthermore, the crossbeam is of a telescopic structure and comprises a first channel steel and a second channel steel, the first channel steel and the second channel steel are connected in a nested mode, a plurality of connecting holes arranged in the length direction are formed in the nested ends of the first channel steel and the second channel steel, and the first channel steel and the second channel steel are fixedly connected through bolts and nuts.

Further, be equipped with second backing plate and first backing plate on first channel-section steel and the second channel-section steel respectively, second backing plate and first backing plate upper surface flush, two slide rails are installed respectively on second backing plate and first backing plate.

Further, the lower chord is an I-shaped steel, and the first channel steel and the second channel steel are respectively welded with webs of the corresponding I-shaped steel.

Furthermore, an upper chord is arranged above the lower chord and fixedly connected with the lower chord through a straight web member.

Furthermore, an inclined web member for reinforcement is connected between the upper chord member and the lower chord member, and the inclined web member jointly forms a sawtooth structure.

The utility model has the advantages that: the utility model discloses place the landing stage under the girder steel structurally on the entrance to a cave limit when using, will segment the girder steel hoist and mount to the landing stage formula and assemble on the slide rail of bed-jig, make the girder steel directly to sliding in the angle steel within range to target in place as draw gear through chain block, the main atress structure that the bed-jig was assembled as the landing stage formula to the piece formula truss promptly is as safety protection's guardrail again. Compared with the construction method of erecting the ultrahigh support jig frame for high-altitude splicing, the construction method has the advantages that the ultrahigh support jig frame is not required to be erected, a large tower crane is not required to be installed, and meanwhile, the operation is simple and the safety is high. And the structure is simple, and the assembly type unit structure is convenient to install, disassemble and transport.

Drawings

Fig. 1 is a side view of a trestle type assembling jig for steel beam segmental sliding in the first embodiment.

Fig. 2 is a schematic top view of a trestle type assembling jig for steel beam segmental sliding according to the first embodiment.

Fig. 3 is an end view of a trestle type assembling jig for steel beam segmental sliding in the first embodiment.

Fig. 4 is an end view of the trestle type assembling jig for steel beam segmental sliding in the second embodiment.

Fig. 5 is a schematic top view of a cross beam structure according to a second embodiment.

Fig. 6 is a schematic side view of a cross beam structure according to a second embodiment.

Fig. 7 is a schematic view of the direction a-a of fig. 6.

In the figure: 1-upper chord, 2-lower chord, 3-straight web member, 4-oblique web member, 5-cross beam, 6-oblique beam, 7-platform plate, 8-slide rail, 9-lifting lug, 10-first channel steel, 11-second channel steel, 12-connecting hole, 13-bolt and nut, 14-first backing plate and 15-second backing plate.

Detailed Description

For better understanding of the present invention, the technical solution of the present invention will be further described below with reference to the following embodiments and accompanying drawings.

Example one

As shown in figures 1, 2 and 3, the trestle type assembling jig frame for steel beam subsection slippage comprises a trestle type steel structure jig frame, wherein a sliding rail 8 made of two angle steels is arranged on the bridge deck structure of the trestle type steel structure jig frame.

The trestle type steel structure jig frame comprises two lower chords 2 which are arranged side by side, the two lower chords 2 are fixedly connected through a plurality of cross beams 5, and the trestle type steel structure jig frame is also connected with an oblique beam 6 for reinforcement; the slide rails 8 are angle steels and are parallel to the lower chord 2, and the fixing frame is arranged on the cross beams 5. The connection mode can adopt full penetration welding. The cross beams 5 and the oblique beams 6 can be paved with platform plates 7.

An upper chord 1 is arranged above the lower chord 2, and the upper chord 1 and the lower chord 2 are fixedly connected through a straight web member 3. And an inclined web member 4 for reinforcement is further connected between the upper chord member 1 and the lower chord member 2, and the inclined web members 4 jointly form a zigzag structure. The structure is a sheet type truss structure, namely, the structure is used as a main stress structure of a trestle type assembling jig frame and is also used as a safety protection guardrail. The connection mode can adopt full penetration welding.

The two ends of the bridge deck structure of the trestle type steel structure jig frame are respectively provided with a hook point 9 which is respectively positioned on the two cross beams 5 at the outermost side and used for connecting a manual or electric hoist.

The working principle is as follows: when the trestle type assembling jig is used, the trestle type assembling jig is placed on a structure at the opening edge under the steel beam, the steel beam is hoisted to a slide rail 8 of the trestle type assembling jig, and a manual or electric hoist is fixed through a hook point 9 to be used as a traction device so that the steel beam slides to a position within the range of the slide rail 8 made of angle steel to complete assembling; the sheet type truss is used as a main stress structure of the trestle type assembling jig frame and a safety protection guardrail. Compared with the construction method of erecting the ultrahigh support jig frame for high-altitude splicing, the construction method has the advantages that the ultrahigh support jig frame is not required to be erected, a large tower crane is not required to be installed, and meanwhile, the operation is simple and the safety is high.

Example two

As shown in fig. 4, 5, 6, and 7, in the present embodiment, on the basis of the first embodiment, the oblique beam 6 is eliminated, and the beam 5 is designed to be a telescopic structure, and includes a first channel steel 10 and a second channel steel 11, the first channel steel 10 and the second channel steel 11 are connected in an embedded manner, and a plurality of connecting holes 12 arranged along the length direction are provided at the embedded end of the first channel steel 10 and the second channel steel 11, and are fixedly connected by bolts and nuts 13.

Be equipped with second backing plate 15 and first backing plate 14 on first channel-section steel 10 and the second channel-section steel 11 respectively, second backing plate 15 and first backing plate 14 upper surface flush, two slide rails 8 are installed respectively on second backing plate 15 and first backing plate 14.

The lower chord 2 is made of I-shaped steel, and the first channel steel 10 and the second channel steel 11 are respectively welded with webs of the corresponding I-shaped steel.

Wherein the hooking point 9 is located on the two first channel steels 10 on the left outer side.

The working principle is as follows: the detachable structure of the left part and the right part of the trestle type assembling jig frame is realized through the fixed connection of bolts and nuts 13, so that the trestle type assembling jig frame is convenient to install and transport; and two slide rails 8 are installed respectively on first channel-section steel 10 and second channel-section steel 11, can realize becoming the rail through extending structure, are applicable to the girder steel of multiple specification, have increased the suitability.

The above description is only an example of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the present invention is not limited to the above description.

Claims (9)

1. The utility model provides a bed-jig is assembled to landing stage formula that is used for girder steel segmentation to slide which characterized in that: the steel structure trestle comprises a trestle type steel structure jig frame, wherein two slide rails (8) are arranged on the bridge deck structure of the trestle type steel structure jig frame.

2. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 1, which is characterized in that: the two ends of the bridge deck structure of the trestle type steel structure jig frame are respectively provided with a hook hanging point (9) for connecting a manual or electric hoist.

3. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 1, which is characterized in that: the trestle type steel structure jig frame comprises two lower chords (2) which are arranged side by side, and the two lower chords (2) are fixedly connected through a plurality of cross beams (5); the slide rails (8) are angle steels and are parallel to the lower chord (2), and the fixing frames are arranged on the cross beams (5).

4. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 3, characterized in that: an oblique beam (6) is connected between the two lower chords (2) and used for reinforcement.

5. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 3, characterized in that: crossbeam (5) are extending structure, including first channel-section steel (10) and second channel-section steel (11), first channel-section steel (10) and second channel-section steel (11) nested connection, the nested end of first channel-section steel (10) and second channel-section steel (11) is equipped with a plurality of connecting holes (12) of arranging along length direction to through bolt and nut (13) fixed connection.

6. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 5, characterized in that: be equipped with second backing plate (15) and first backing plate (14) on first channel-section steel (10) and second channel-section steel (11) respectively, second backing plate (15) and first backing plate (14) upper surface flush, install respectively on second backing plate (15) and first backing plate (14) two slide rails (8).

7. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 5, characterized in that: the lower chord (2) is made of I-shaped steel, and the first channel steel (10) and the second channel steel (11) are respectively welded with webs of the corresponding I-shaped steel.

8. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 3, characterized in that: an upper chord (1) is arranged above the lower chord (2), and the upper chord (1) is fixedly connected with the lower chord (2) through a straight web member (3).

9. The trestle type assembling jig for the sectional sliding of the steel beam according to claim 8, which is characterized in that: and an inclined web member (4) for reinforcement is further connected between the upper chord member (1) and the lower chord member (2), and the inclined web members (4) jointly form a zigzag structure.

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