CN206917297U - A kind of large-span steel girder upper air installing system in place - Google Patents

A kind of large-span steel girder upper air installing system in place Download PDF

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Publication number
CN206917297U
CN206917297U CN201720714889.9U CN201720714889U CN206917297U CN 206917297 U CN206917297 U CN 206917297U CN 201720714889 U CN201720714889 U CN 201720714889U CN 206917297 U CN206917297 U CN 206917297U
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China
Prior art keywords
girder
steel
shoulder pole
girder steel
place
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CN201720714889.9U
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Chinese (zh)
Inventor
向红明
王力锋
唐作凤
周国
高彬
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China Huashi Enterprises Co Ltd
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China Huashi Enterprises Co Ltd
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Abstract

The utility model discloses a kind of large-span steel girder upper air installing system in place, including girder steel, shoulder pole girder and track, track is on building body, girder steel is located between two siding tracks, and the both ends of girder steel are respectively equipped with shoulder pole girder, and shoulder pole girder is located at the top of girder steel, shoulder pole girder is encorbelmented in the end of girder steel, shoulder pole girder is fixedly connected with girder steel, and track is located at the bottom of shoulder pole girder cantilever part, and track is connected with shoulder pole girder.The utility model realizes that large-span box girder steel upper air installing is in place using pulley track, and girder steel is easily in place, without setting up scaffold, Roofing slab concrete strcture below three building, annex is needed to unload, it can be ensured that the quality of concrete structure, improve safety coefficient, the duration is shortened, reduces cost.

Description

A kind of large-span steel girder upper air installing system in place
Technical field
It the utility model is related to a kind of large-span steel girder upper air installing system in place.
Background technology
Construction of Steel Structure ratio shared in modern heavy construction is increasing, and rapidly and efficiently installation is the excellent of steel construction Point, and one of development trend.Generally use vapour is installed in place for large-span steel girder upper air installing in the prior art Car is hung to be lifted with mast.Truck crane:1)The difficult control of construction quality.2)Long construction period.3)Segments is more, and scene splicing is difficult. 4)Need to take full hall scaffold, three layers of position of absolute altitude will take full hall scaffold to steel girder erection position;Mast lifts:1)Safety system Number is relatively low.2)Dead man stability is not strong, when at dead man both ends, lifting girder steel falls, vacillates now to the left, now to the right unstable, girder steel is not easy in place. 3)Higher is required to cable wind rope and lifting device.4)Girder steel is first promoted to three buildings orbit planes, then employment by autocrane Work or hoist engine stretch raised position, and mast is promoted to steel girder erection position from three buildings;This process needs to unload three buildings floorings Carry.
Above deficiency, needs to be covered.
Utility model content
In order to overcome the shortcomings of existing technology, the utility model provides a kind of large-span steel girder upper air installing and is in place System.
Technical solutions of the utility model are as described below:
A kind of large-span steel girder upper air installing system in place, it is characterised in that described including girder steel, shoulder pole girder and track On the building body, the girder steel is located between track described in both sides track, and the both ends of the girder steel are respectively equipped with described flat Spreader beam, the shoulder pole girder are located at the top of the girder steel, and the shoulder pole girder is encorbelmented in the end of the girder steel, the shoulder pole girder with The girder steel is fixedly connected, and the track is located at the bottom of the shoulder pole girder cantilever part, and the track connects with the shoulder pole girder Connect.
Preferably, the end of the girder steel located at armored concrete bracket above, the end of the girder steel with The bracket is fixedly connected.
Preferably, the both sides of the track are uniformly provided with embedded bar, and the embedded bar is consolidated with the track Fixed connection.
Preferably, the top of the girder steel is provided with hanger, and the hanger is fixedly connected with the girder steel, the steel Beam is connected by the hanger with cable wind rope.
Preferably, the girder steel is promoted on the track by loop wheel machine, and the stand of the loop wheel machine is away from institute The distance for stating building body is more than 1m.
Preferably, the girder steel is often held provided with two shoulder pole girders, and two shoulder pole girders are by welding in succession, institute State girder steel and the shoulder pole girder anchor bolts.
Preferably, the girder steel is provided with hanger, and the hanger is fixedly connected with the girder steel, and the girder steel leads to The hanger is crossed to be connected with cable wind rope.
Preferably, the girder steel is box steel beam.
Preferably, the shoulder pole girder is H profile steel.
According to the utility model of such scheme, its advantage is, the utility model is realized big using pulley track Span box steel beam upper air installing is in place, and girder steel is easily in place, without setting up scaffold, to Roofing slab concrete structure below three building, annex Without unloading, it can be ensured that the quality of concrete structure, improve safety coefficient, shorten the duration, reduce cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is girder steel positioning structure schematic diagram of the present utility model.
Fig. 3 is shackle structure schematic diagram of the present utility model.
In figure, 1, girder steel;2nd, shoulder pole girder;3rd, track;4th, bracket;5th, bolt;6th, hanger.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is further described embodiment:
As shown in Figure 1 to Figure 2, a kind of large-span steel girder upper air installing system in place, including girder steel 1, shoulder pole girder 2 and track 3, track 3 is on building body, and girder steel 1 is located between two siding tracks 3, and the both ends of girder steel 1 are respectively equipped with shoulder pole girder 2, shoulder pole Beam 2 is located at the top of girder steel 1, and shoulder pole girder 2 is encorbelmented to be bolted in the end of girder steel 1, shoulder pole girder 2 with girder steel 1, track 3 Located at the bottom of the cantilever part of shoulder pole girder 2, track 3 is connected with shoulder pole girder 2.
Girder steel 1, which is often held, is provided with two shoulder pole girders 2, and two shoulder pole girders 2 are easy to girder steel 1 and the anchor of shoulder pole girder 2 by welding in succession Tether and connect, improve the total bearing capacity of shoulder pole girder 2, while also meet sliding needs.
Above the bracket 4 of armored concrete, the end of girder steel 1 is fixedly connected with bracket 4 for the end of girder steel 1.At this In embodiment, the beam of steel 1 is positioned over above the bracket 4 of armored concrete with 50t jack, end and the bracket 4 of girder steel 1 pass through Anchor bolts.
The both sides of track 3 are uniformly provided with embedded bar, and embedded bar is fixedly connected with track 3.In the present embodiment, it is pre-buried Reinforcing bar is welded to connect with track 3;Track 4 uses P50 heavy rails, along the bilateral of track 4 uniformly the pre-buried reinforcing bars of φ 10 welding Briquetting carrys out trapped orbit.
As shown in figure 3, girder steel 1 is provided with hanger 6, hanger 6 is fixedly connected with girder steel 1, and girder steel 1 passes through hanger 6 and guy Rope connection.Hanger 6 fixes cable wind rope in lifting with, it is necessary to determine position by calculating.In the present embodiment, hanger 6 and steel Beam 1 passes through anchor bolts.
Girder steel 1 is promoted on track 3 by loop wheel machine, and the stand of loop wheel machine and the distance of building body are more than 1m.In reality Apply in example, loop wheel machine is 120t truck cranes.
Girder steel 1 is box steel beam.Shoulder pole girder 2 is H profile steel.
A kind of construction of large-span steel girder upper air installing system in place, it is characterised in that comprise the following steps:
Step 1: make girder steel 1;
Step 2: transport girder steel 1;
Step 3: assembling girder steel 1;
Step 4: hoisting steel beam 1;
Step 5: girder steel 1 in place.
In step 1, by the sectional making of girder steel 1 and label is segmented.
In step 3, girder steel 1 is transported to scene, girder steel 1 is lifted to interim hardening outside building body with loop wheel machine Good operation area, carries out assembly by the girder steel 1 of segmentation, corrects the girder steel 1 of segmentation, the girder steel 1 of segmentation is welded into an entirety.
In the present embodiment, girder steel 1 divides three sections of making, and three sections of girder steels are mutually assembled and are welded into an entirety.
In step 4, in lifting region, the good entirety of girder steel 1 of ground welding is sling with loop wheel machine, lifting lifting to 500 During ㎜, suspend 3 minutes observation operating modes, it is determined that after having no problem, girder steel is hung on track at a slow speed.
In step 5, drawn using synchronous low speed winch, while the middle part of girder steel 1 is controlled to prevent from shaking with cable wind rope Dynamic, girder steel 1 is slid onto the position of bracket 4, and girder steel 1 is positioned over above bracket 4 with jack.
The utility model realizes that large-span box girder steel upper air installing is in place using pulley track, and girder steel is easily in place, to skirt Below Lou Sanlou Roofing slab concrete strctures need to unload, it can be ensured that the quality of concrete structure, improve safety coefficient, shorten work Phase, reduce cost.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted, And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Exemplary description is carried out to the utility model patent above in conjunction with accompanying drawing, it is clear that the reality of the utility model patent Now be not subject to the restrictions described above, if employ the utility model patent methodology and technical scheme carry out it is various Improve, or it is not improved the design of the utility model patent and technical scheme are directly applied into other occasions, in this reality With in new protection domain.

Claims (9)

  1. A kind of 1. large-span steel girder upper air installing system in place, it is characterised in that including girder steel, shoulder pole girder and track, the rail Road is on building body, and the girder steel is located between track described in both sides, and the both ends of the girder steel are respectively equipped with the shoulder pole Beam, the shoulder pole girder are located at the top of the girder steel, and the shoulder pole girder is encorbelmented in the end of the girder steel, the shoulder pole girder and institute State girder steel to be fixedly connected, the track is located at the bottom of the shoulder pole girder cantilever part, and the track is connected with the shoulder pole girder.
  2. 2. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the end of the girder steel Above the bracket of armored concrete, the end of the girder steel is fixedly connected with the bracket.
  3. 3. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the both sides of the track Embedded bar is uniformly provided with, the embedded bar is fixedly connected with the track.
  4. 4. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the top of the girder steel Provided with hanger, the hanger is fixedly connected with the girder steel, and the girder steel is connected by the hanger with cable wind rope.
  5. 5. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the girder steel is by hanging Machine is promoted on the track, and distance of the stand of the loop wheel machine away from the building body is more than 1m.
  6. 6. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the girder steel, which is often held, to be set There are two shoulder pole girders, two shoulder pole girders are by welding in succession, the girder steel and the shoulder pole girder anchor bolts.
  7. 7. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the girder steel is provided with Hanger, the hanger are fixedly connected with the girder steel, and the girder steel is connected by the hanger with cable wind rope.
  8. 8. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the girder steel is box-shaped Girder steel.
  9. 9. large-span steel girder upper air installing system in place according to claim 1, it is characterised in that the shoulder pole girder is H Shaped steel.
CN201720714889.9U 2017-06-20 2017-06-20 A kind of large-span steel girder upper air installing system in place Active CN206917297U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720714889.9U CN206917297U (en) 2017-06-20 2017-06-20 A kind of large-span steel girder upper air installing system in place

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720714889.9U CN206917297U (en) 2017-06-20 2017-06-20 A kind of large-span steel girder upper air installing system in place

Publications (1)

Publication Number Publication Date
CN206917297U true CN206917297U (en) 2018-01-23

Family

ID=61321743

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720714889.9U Active CN206917297U (en) 2017-06-20 2017-06-20 A kind of large-span steel girder upper air installing system in place

Country Status (1)

Country Link
CN (1) CN206917297U (en)

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