CN210341680U

CN210341680U - Door type corrugated steel web plate installation and overhanging type hanging bracket structure

Info

Publication number: CN210341680U
Application number: CN201920919983.7U
Authority: CN
Inventors: 庄艳伟; 王延方; 张磊刚; 蔡欣; 贾晓博
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-17
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a gate-type wave form steel web installation and formula gallows structure of encorbelmenting, including the installing the system, the gallows system, the template system, traveling system, the installing the system includes the support stand, the support longeron, the support crossbeam, the bracing, hoisting device, the gallows system includes last front beam, go up the back crossbeam, lower front beam, lower rear beam, the jib, the template system includes the die block, the ejector pad board, interior back slide, traveling system includes the longeron, the slider, the hydraulic ram, traveling system is direct to meet fixedly with the "pi" shape groove at installed wave form steel web top, go up the front beam, go up back crossbeam and lower front beam, the back cross beam passes through the jib and connects down, lower front beam, lower back cross beam supports the die block board, interior back slide passes through the jib and links to each other with the back crossbeam and supports the ejector pad. The utility model discloses realize the installation by oneself of wave form steel web and by level to vertical state's conversion, overcome conventional string basket and relied on too big problem to the back anchor, very big improvement the security, improved the efficiency of construction.

Description

Door type corrugated steel web plate installation and overhanging type hanging bracket structure

Technical Field

The utility model belongs to the technical field of the steel web installation, concretely relates to door type wave form steel web installation and formula gallows structure of encorbelmenting.

Background

Corrugated steel webs are increasingly being used in bridge construction today, making corrugated steel web bridges increasingly apparent. In the existing domestic construction, a common hanging basket construction form is often adopted, and the defects of free hanging baskets, such as deep dependence on rear anchors, high danger, heavy hanging baskets and the like, can still not be overcome. In recent years, the construction method of arranging the overhanging type hanging bracket above the corrugated steel web gradually improves the prior construction process, but the hanging bracket still cannot meet the process requirement of mounting the corrugated steel web. In view of the above, there is a need for a structural form of corrugated steel web mounting and cantilever hanger to solve this problem.

Disclosure of Invention

In order to solve the problem in the above-mentioned background art, the utility model provides a door type wave form steel web installation and formula gallows structure of encorbelmenting.

The technical scheme of the utility model is that: a portal corrugated steel web mounting and overhanging type hanger structure, which comprises a mounting system, a hanger system, a template system and a traveling system, the mounting system comprises a support upright post, a support longitudinal beam, a support cross beam, an inclined strut and a lifting device, the hanger system comprises an upper front cross beam, an upper rear cross beam, a lower front cross beam, a lower rear cross beam and a hanger rod, the template system comprises a bottom template, a top template and inner and outer sliding beams, the walking system comprises a longitudinal beam, a sliding block and a hydraulic jack, the walking system is directly connected and fixed with the 'pi' -shaped groove at the top of the installed corrugated steel web, the upper front cross beam, the upper rear cross beam, the lower front cross beam and the lower rear cross beam are connected through a suspender, the lower front cross beam and the lower rear cross beam support the bottom template, the inner and outer sliding beams are connected with the rear upper cross beam through the suspension rods to support the top template, and the rear ends of the bottom template and the top template are anchored on the poured concrete.

In the scheme, the longitudinal beams are vertically arranged at the bottoms of the upper front cross beam and the upper rear cross beam, and the whole hanger system and the whole mounting system are moved.

The scheme is further that the support upright post is vertically arranged on the upper front cross beam and the upper rear cross beam, the support longitudinal beam is vertically and horizontally arranged at the top of the support upright post, the support longitudinal beam is perpendicular to the upper front cross beam and the upper rear cross beam, the support cross beam is slidably arranged on the support longitudinal beam and is perpendicular to the support longitudinal beam, one end of the inclined strut is arranged on the support longitudinal beam, and the other end of the inclined strut is arranged at the bottom of the support upright post to play a role in stable support.

The scheme is further, support longeron top is equipped with slide rail I, support crossbeam bottom is equipped with the pulley, and the pulley is installed on slide rail I, makes the support crossbeam do longitudinal movement along slide rail I.

The scheme is further that the lifting device comprises two electric hoists and is installed on a support beam, a sliding rail II is arranged on the support beam, and the electric hoists move transversely along the sliding rail II.

Further, the length of the bracket longitudinal beam 11 is at least three times of one segment.

The utility model has the advantages that:

1. the utility model discloses can realize the self-propelled installation of wave form steel web, promptly the utility model discloses can install the steel web of segment N +2 by oneself and need not adopt hoisting equipment such as tower crane, bridge floor crane to hoist when arranging in segment N +1, reduce construction cost, improve the efficiency of construction;

2. the mounting system of the utility model can realize the conversion of the steel web from the horizontal state to the vertical state, thereby reducing the height of the device, and ensuring small structure volume, light dead weight and good stability;

3. the utility model is positioned on the installed corrugated steel web plate, the construction load is borne by the corrugated steel web plate, the stress condition is simple and clear, the problem that the conventional hanging basket depends on a rear anchor too much is solved, and the safety is greatly improved;

4. the utility model can realize the synchronous and ex-situ construction of the top template and the bottom template, namely, the N +1 segment top template is synchronously constructed when the N +2 segment bottom template is constructed, thereby increasing the working surface, leading the top template and the bottom template not to generate mutual interference and improving the construction efficiency;

5. the utility model discloses the dead weight is about 30% of ordinary string basket, and is light and handy convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the present invention;

fig. 3 is the utility model discloses overhanging type gallows structure.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.

The utility model discloses a concrete implementation mode is: as shown in fig. 1-3, a portal type corrugated steel web mounting and overhanging type hanger structure comprises a mounting system 1, a hanger system 2, a template system and a traveling system 8, wherein the mounting system 1 comprises a support upright post 13, a support longitudinal beam 11, a support cross beam 16, an inclined strut 12 and a lifting device 17, the hanger system 2 comprises an upper front cross beam 14, an upper rear cross beam 18, a lower front cross beam 23, a lower rear cross beam 22 and a hanger rod 21, the template system comprises a bottom template, a top template 3 and an inner and outer sliding beam 4, the traveling system 8 comprises a longitudinal beam, a sliding block and a hydraulic jack, the traveling system 8 is directly connected and fixed with a pi-shaped groove at the top of a corrugated steel web mounted on an N +1 section 6, the sliding block is mounted at the bottom of the longitudinal beam and can longitudinally move along the pi-shaped groove, the hydraulic jack is connected with the sliding block and moves the sliding block by utilizing hydraulic action so as to move, the upper front cross beam 14, the upper rear cross beam 18, the lower front cross beam 23 and the lower rear cross beam 22 are connected through a suspender 21, the lower front cross beam 23 and the lower rear cross beam 22 support a bottom formwork, the inner and outer sliding beams 4 are connected with the upper rear cross beam 18 through the suspender 21 to support a top formwork 3, the top formwork 3 is arranged above the N sections 5, and the rear ends of the bottom formwork and the top formwork 3 are anchored on poured concrete.

Further, the longitudinal beam is vertically arranged at the bottom of the upper front cross beam 14 and the bottom of the upper rear cross beam 18, the whole hanger system 2 and the whole mounting system 1 are moved, and the sliding block drives the longitudinal beam to longitudinally move along the corrugated steel web under the action of the hydraulic jack.

Further, the support upright post 13 is vertically installed on the upper front cross beam 14 and the upper rear cross beam 18, the support longitudinal beam 11 is vertically and horizontally installed at the top of the support upright post 13, the support longitudinal beam 11 is perpendicular to the upper front cross beam 14 and the upper rear cross beam 18, the support cross beam 16 is slidably arranged on the support longitudinal beam 11 and is perpendicular to the support longitudinal beam 11, one end of the inclined strut 12 is installed on the support longitudinal beam 11, and the other end of the inclined strut is installed at the bottom of the support upright post 13 to play a role in stabilizing and supporting.

Further, 11 tops of support longeron are equipped with slide rail I, 16 bottoms of support crossbeam are equipped with the pulley, and the pulley is installed on slide rail I, makes support crossbeam 16 do longitudinal movement along slide rail I, realizes the longitudinal displacement of wave form steel web.

Further, hoisting device 17 includes two electric hoists, installs on support crossbeam 16, be equipped with slide rail II on the support crossbeam 16, electric hoist is transverse movement along slide rail II, drives and waits to install the corrugated steel web and removes to the mounted position N +2 sections promptly to through two electric hoist cooperations with steel web pendulum to vertical state in N +2 section departments, and transverse movement electric hoist realizes taking one's place of corrugated steel web.

Further, the bracket longitudinal beam 11 is at least three times as long as one segment.

The utility model discloses a method for using installation wave form steel web is, its step includes:

the method comprises the following steps: the mounting system 1 and the hanger system 2 are integrally arranged at N +1 sections for mounting and fixing, the corrugated steel web is transported to the N sections through the transport trolley, then the corrugated steel web is horizontally lifted through a lifting device 17 in the mounting system 1, the corrugated steel web is horizontally arranged, one end of the corrugated steel web is connected with an electric hoist, the support beam 16 is moved, and the support beam carries the corrugated steel web to walk on the support longitudinal beam 11 to longitudinally transport the corrugated steel web to a target position;

step two: the two electric hoists are matched, namely one electric hoist extends a rope and is transversely close to the other electric hoist, so that the corrugated steel webs are swung to be in a vertical state at the N +2 section, then the electric hoists are transversely moved to realize the positioning of the corrugated steel webs, and the front corrugated steel webs and the rear corrugated steel webs are connected to finish the installation of the corrugated steel webs;

step three: starting the traveling system 8, and longitudinally moving the mounting system 1 and the hanger system 2 to the N +2 sections by using the hydraulic jacks and the sliders;

step four: the bottom template 10 and the top template 11 are installed through the suspender 21, top and bottom plate steel bars are bound, and concrete, namely subsequent prestress construction, is carried out.

The utility model discloses can realize the self-propelled installation of wave form steel web, promptly the utility model discloses can install the steel web of segment N +2 by oneself and need not adopt hoisting equipment such as tower crane, bridge floor crane to hoist when arranging in segment N +1, reduce construction cost, improve the efficiency of construction; the installation system can realize the conversion of the steel web from a horizontal state to a vertical state, thereby reducing the height of the device, and ensuring small structure volume, light dead weight and good stability; the construction load is borne by the corrugated steel web plate which is positioned on the installed corrugated steel web plate, the stress condition is simple and clear, the problem that the conventional hanging basket depends on a rear anchor too much is solved, and the safety is greatly improved; and the synchronous and ex-situ construction of the top template and the bottom template can be realized, namely the N +1 segment top template is synchronously constructed during the construction of the N +2 segment bottom template, the working face is increased, so that the top template and the bottom template are not interfered with each other, and the construction efficiency is improved.

While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.

Claims

1. The portal type corrugated steel web mounting and overhanging type hanging bracket structure is characterized by comprising a mounting system, a hanging bracket system, a template system and a walking system, wherein the mounting system comprises a support upright post, a support longitudinal beam, a support cross beam, an inclined strut and a lifting device, the hanging bracket system comprises an upper front cross beam, an upper rear cross beam, a lower front cross beam, a lower rear cross beam and a hanging rod, the template system comprises a bottom template, a top template and an inner and outer sliding beam, the walking system comprises a longitudinal beam, a sliding block and a hydraulic ram, the walking system is directly connected and fixed with a 'pi' -shaped groove at the top of the mounted corrugated steel web, the upper front cross beam, the upper rear cross beam, the lower front cross beam and the lower rear cross beam are connected through the hanging rod, the lower front cross beam and the lower rear cross beam support the bottom template, the inner and outer sliding beams are connected with the upper cross beam through the hanging rod to support the top, The rear end of the top template is anchored on the poured concrete.

2. The portal wave steel web mounting and cantilever hanger structure of claim 1, wherein the stringers are mounted vertically at the bottom of the upper front and rear cross beams, moving the entire hanger system and mounting system.

3. The portal wave steel web mounting and overhanging hanger structure of claim 2, wherein the support upright is vertically mounted on the upper front cross beam and the upper rear cross beam, the support longitudinal beam is vertically and horizontally mounted on the top of the support upright, the support longitudinal beam is perpendicular to the upper front cross beam and the upper rear cross beam, the support cross beam is slidably mounted on the support longitudinal beam and perpendicular to the support longitudinal beam, one end of the diagonal brace is mounted on the support longitudinal beam, and the other end of the diagonal brace is mounted at the bottom of the support upright for stable supporting.

4. The gantry type corrugated steel web mounting and cantilever type hanger structure of claim 3, wherein the top of the support longitudinal beam is provided with a slide rail I, the bottom of the support cross beam is provided with a pulley, and the pulley is mounted on the slide rail I so that the support cross beam can move longitudinally along the slide rail I.

5. The gantry type corrugated steel web mounting and overhanging type hanger structure of claim 4, wherein the lifting device comprises two electric hoists mounted on a support beam, the support beam is provided with a slide rail II, and the electric hoists move transversely along the slide rail II.

6. A portal wave steel web mounting and cantilever hanger structure according to claim 5, wherein the bracket stringers 11 are at least three times as long as one segment.