CN105839542B - Bridge High-pier rises outrigger turning-over certainly - Google Patents

Bridge High-pier rises outrigger turning-over certainly Download PDF

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Publication number
CN105839542B
CN105839542B CN201610288289.0A CN201610288289A CN105839542B CN 105839542 B CN105839542 B CN 105839542B CN 201610288289 A CN201610288289 A CN 201610288289A CN 105839542 B CN105839542 B CN 105839542B
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China
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template
crossbeam
nose girder
pier
bridge
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CN201610288289.0A
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CN105839542A (en
Inventor
张发平
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China 19th Metallurgical Corp
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China 19th Metallurgical Corp
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

Abstract

The invention discloses one kind is simple in construction, overmolded security can be strengthened, the Bridge High-pier for improving overmolded efficiency rises outrigger turning-over certainly.The turning-over includes support arm system, retractor device, upper former system and lower template system;The upper former system is located at the top of lower template system;The upper former system and lower template system include one layer and surround the template that Bridge High-pier pours into a mould chamber;The horizontal back cord of reinforcement is provided with the template outer surface of the upper former system and lower template system;The horizontal back cord of reinforcement in adjacent two pieces of templates is connected by strengthening horizontal back cord connector so that is strengthened horizontal back cord and is held tightly in the outer surface of upper former system;The top and bottom of described every piece of template of upper former system are provided with support arm system;The support arm system includes crank arm crossbeam, straight crossbeam, vertical nose girder.Simple to operate using the turning-over, quality is more easy to control, and faster, cost is lower for progress, and degree of safety is higher.

Description

Bridge High-pier rises outrigger turning-over certainly
Technical field
The present invention relates to a kind of Bridge High-pier turning-over, especially a kind of Bridge High-pier rises outrigger turning-over certainly.
Background technology
Known, the method for current Bridge High-pier template construction has:Slding form operation, climbing formwork for construction, sliding turn over combine construction, climbed Turn over reference to construction, over-form construction, support over-form construction.Sliding formwork, creeping formwork, cunning turn over combination, climb and turn over reference to this several construction method skill Load-carrying member when being both needed to install special embedded part as climbing shuttering in the bridge pier concrete of construction in art.These embedded part quality And moulding process requires high, registration is installed strictly, embedded part construction is interfered with pier stud other processes construction, and these are special Embedded part can only be disposable, it is impossible to which repetitive cycling is used.In addition to the above drawbacks, sliding formwork, the sliding combination technology that turns over are strict with bridge Pier surrounding template synchronous is sliding, and construction is to equipment, the requirement of pouring concrete setting time and personnel is high, and formwork rigidity is small, Surface Quality of Concrete is poor;Climbing frame the Turnover Form Construction Technology need to reserve more hole in the concrete poured, and formwork rigidity is small, Surface Quality of Concrete is poor, and entablature, which passes through performance of concrete column confined headroom to be poured, makes bridge pier reinforcement construction be interfered, template Rigidity is small, and Surface Quality of Concrete is poor, and climbing frame lifting operations are complicated, and workmen is more, and synchronism requires high;Climbing formwork for construction is to special Require very tight with embedded part quality and installation quality, repeatedly occur security incident caused by embedded part destruction in construction embodiment, creeping formwork with Pre-buried climbs cone number and single cone bearing capacity of climbing as the safeguard measure of safety, and measure is single, climbs cone quality and unbalance stress Easily trigger security incident.Creeping formwork need to consider concrete strength when swashing.
Traditional over-form construction needs tower crane or truck crane as template and turns over a liter power, and safe thing easily occurs during form removal Therefore.Support overmolded is both needed to use tower crane lifting bracket, and safe operation risk is big, and it is empty that rack beam occupies pouring concrete pier top portion Between, each operation is interfered.
Above-mentioned various templates can not be used in turn completely mostly, can only be partly used in turn, this to waste serious, make template It is not the circulation material of real meaning.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of simple in construction, can strengthen overmolded security, raising is turned over The Bridge High-pier for imitating rate rises outrigger turning-over certainly.
The technical solution adopted for the present invention to solve the technical problems is:Bridge High-pier rises outrigger turning-over certainly, including Support arm system, retractor device, upper former system and lower template system;The upper former system is located at lower template system The top of system;
The upper former system and lower template system include one layer and surround the template that Bridge High-pier pours into a mould chamber;It is described The horizontal back cord of reinforcement is provided with the template outer surface of upper former system and lower template system;In adjacent two pieces of templates The horizontal back cord of reinforcement connected by strengthening horizontal back cord connector so that strengthen horizontal back cord and hold tightly in the outer surface of template;
The top and bottom of described every piece of template of upper former system are provided with support arm system;The support arm system Including crossbeam of cranking arm, straight crossbeam, vertical nose girder;The straight crossbeam two ends are provided with crossbeam of cranking arm;Described crossbeam one end of cranking arm It is connected with strengthening horizontal back cord, the other end is connected with straight crossbeam;There is spacing between the straight crossbeam and template;The horizontal stroke of cranking arm Beam, straight crossbeam and the horizontal back cord of reinforcement surround the template lifting interval that template may pass through;
The vertical nose girder is arranged on the outside of template;The vertical nose girder is extended to by the lower end of lower template system The top of layer template system, and height of the length more than three times template of the vertical nose girder;
The vertical nose girder is fixedly connected with straight crossbeam;The retractor device is arranged on vertical nose girder and lower template system Template between;Described retractor device one end on vertical nose girder vertical direction with being slidably connected, and the other end detachably connects with template Connect.
Further, the vertical nose girder is arranged on the junction of crank arm crossbeam and straight crossbeam;Set on the vertical nose girder It is equipped with crossbeam push-pull device at fixed of cranking arm;
The crossbeam push-pull device at fixed of cranking arm includes the connection boss being connected with crossbeam of cranking arm set on vertical nose girder;It is described Crossbeam of cranking arm is detachably connected with being connected boss;
One side of the connection boss horizontal direction is provided with the first L-type support, and another is provided with the 2nd L sideways Type support;First L-type support forms U-shaped support frame with the second L-type support;Crossbeam 11 crank arm with being connected the one of boss connection End is located in U-shaped support frame;
There are horizontal support bar, described horizontal support bar one end and first between first L-type support and the second L-type support L-type support is detachably connected, and the other end is detachably connected with two L-type supports;The horizontal support bar mutually hangs down with vertical nose girder Directly;The horizontal support bar passes through crossbeam of cranking arm.
Further, at least two vertical nose girders are provided with the outside of every piece of template.
It is preferred that, the retractor device includes sliding case, expansion link;The expansion link is extended through another by the end face for sliding case End face;The expansion link is slidably matched with sliding case;
Two relative sides are provided with rail limiting device on the sliding case;The rail limiting device is included at least Two pairs of position-limited wheel groups, the position-limited wheel group is on the side of sliding case along the directional spreding perpendicular to flexible rod axis;It is described spacing Wheel group includes runner and the outer runner of track in track;The outer circumference surface of the outer circumference surface of runner and the outer runner of track in the track Between have track installation gap.
Further, the retractor device at least has four, and is distributed in template outer surface by regular polygon.
Further, described Bridge High-pier is from liter outrigger turning-over, in addition to closes beam connection, two neighboring mould Crossbeam of cranking arm on plate is connected by closing beam connection.
Further, it is provided between the support arm system of the top and bottom of the template of the upper former system vertical Bearing diagonal.
Further, the lifting device that driving retractor device is slided up and down is provided with the vertical nose girder.
Further, it is provided with the operating platform bearing rod for setting up operating platform on the vertical nose girder.
Further, the vertical nose girder uses double track nose girder;Anti-drop system is provided with the vertical nose girder;It is described double Rail nose girder have between two parallel guide rails, two guide rails have carriage clipping room away from;The drop preventer Including anti-fall pin, spin-ended plate, adjusting nut and pull bar, the pull bar extends through the other end by one end of guide rail, and in guide rail Two ends be provided with pull rod screw coordinate adjusting nut;The guide rail side is provided with spin-ended plate, the spin-ended plate with Guide rail is slidably connected, and the spin-ended plate is fixedly connected with pull bar;Spin-ended mouth is provided with the spin-ended plate;In the middle of the anti-fall pin Position is hinged with guide rail;One end of the anti-fall pin passes through spin-ended mouth, and the other end extends to carriage clipping room away from interior.
The beneficial effects of the invention are as follows:Bridge High-pier of the present invention is from outrigger turning-over is risen, above and below setting Two layers of template system, and the setting support arm system outside upper former, support arm system and the horizontal back cord shape of reinforcement in template Lifted into template interval;It is provided with to can slide up and down to stretch relative to vertical nose girder between vertical nose girder and template simultaneously and fills Put;The assembly and disassembly of template are realized by retractor device and the lifting in interval are lifted in template, so as to realize bolster system Circulation turn over liter.Therefore Bridge High-pier of the present invention need not be pre-buried special in bridge pier concrete from liter outrigger turning-over Embedded part, without the reserving hole channel in concrete, pouring concrete is not take up from system when outrigger overmolded system template is turned over liter that rises Pier stud headroom, template is not interfere with each other when turning over liter without tower crane, template construction with pier stud reinforcement construction, and it is equal that template turns over liter process Space between template and this template after-poppet is carried out, and simple to operate, quality is more easy to control, and faster, cost is lower for progress, safety Du Genggao.Bridge High-pier can realize the recycling of bolster system from outrigger turning-over is risen simultaneously, be applied so as to save Work material, it is to avoid substantial amounts of building waste is produced in work progress, green construction is realized.
Brief description of the drawings
Fig. 1 is top view of jackshaft deck-molding of the embodiment of the present invention pier from liter outrigger turning-over;
Fig. 2 is that jackshaft deck-molding of embodiment of the present invention pier is torn open from the segment template for the lower template system for rising outrigger turning-over Prepare the schematic diagram of lifting after unloading;
Fig. 3 is Fig. 2 side view;
Fig. 4 is that jackshaft deck-molding of embodiment of the present invention pier is torn open from the segment template for the lower template system for rising outrigger turning-over Unload the side view after lifting is arrived in place;
Fig. 5 is segment template peace of jackshaft deck-molding of the embodiment of the present invention pier from the lower template system for rising outrigger turning-over It is attached to the side view of position;
Fig. 6 is all templates peace of jackshaft deck-molding of the embodiment of the present invention pier from the lower template system for rising outrigger turning-over It is attached to the side view of position;
Fig. 7 is that jackshaft deck-molding of embodiment of the present invention pier adds from installation when outrigger turning-over carries out support arm system improving is risen Side view after firmware;
Fig. 8 is horizontal stroke of being cranked arm when jackshaft deck-molding of embodiment of the present invention pier carries out support arm system improving from liter outrigger turning-over Side view after beam dismounting;
Fig. 9 is horizontal stroke of being cranked arm when jackshaft deck-molding of embodiment of the present invention pier carries out support arm system improving from liter outrigger turning-over Top view after beam dismounting;
Figure 10 is part when jackshaft deck-molding of embodiment of the present invention pier rises outrigger turning-over progress support arm system improving certainly Side view after support arm lifting in place;
Figure 11 is jackshaft deck-molding of embodiment of the present invention pier from after rising the support arm system improving of outrigger turning-over in place Side view;
Figure 12 is that jackshaft deck-molding of embodiment of the present invention pier is stretched afterwards in place from the support arm system improving for rising outrigger turning-over Compression apparatus slips down to the side view of upper former system;
Figure 13 is the stereogram of retractor device in the embodiment of the present invention;
Figure 14 is the internal structure schematic diagram of retractor device in the embodiment of the present invention;
Figure 15 is retractor device scheme of installation in the embodiment of the present invention;
Figure 16 is front view of the retractor device on vertical crossbeam in the embodiment of the present invention;
Figure 17 is crossbeam push-pull device at fixed structural representation of cranking arm in the embodiment of the present invention;
Figure 18 is that crossbeam push-pull device at fixed is cranked arm in the embodiment of the present invention by the schematic diagram after cross beam translation of cranking arm;
Figure 19 is the dimensional structure diagram of anti-drop system in the embodiment of the present invention;
Structural representation when Figure 20 is anti-drop system original state in the embodiment of the present invention;
Figure 21 is structural representation when anti-drop system limits unidirectional upward sliding in the embodiment of the present invention;
Figure 22 is structural representation when anti-drop system limits unidirectional slide downward in the embodiment of the present invention;
Indicated in figure:10- support arm systems, 11- is cranked arm crossbeam, the straight crossbeams of 12-, and 13- strengthens horizontal back cord, and 14- is vertically led Beam, the tyrannical back cord connectors of 15-, 16- closure beam connections, 20- retractor devices, 21- cunning casees, 22- expansion links, 221- stretches attached Bar, 222- stretches mobile jib, the gag lever posts of 2221- first, the gag lever posts of 2222- second, the horizontal limit bar runners of 23-, turns in 241- tracks Wheel, the outer runner of 242- tracks, 25- tracks positioned wheels, 26- vertically limits bar runner, 27- protection wheels, and 30- cranks arm crossbeam push-and-pull dress Put, 32- connection boss, the L-type supports of 321- first, the L-type supports of 322- second, the U-shaped grooves of 323- first, 33- contiguous blocks, 341- Second U-shaped groove, 35- horizontal support bars, the connectors of 36- first, the connectors of 37- second, 41- lower template systems, 42- upper stratas Template system, 40- templates, 50- operating platform bearing rods, 60- batter braces, 70- lifting devices, 80- double track nose girders, 801- Guide rail, the anti-fall pin construction openings of 811-, 802- carriages clipping room is away from, anti-fall pins of 82-, the spin-ended plates of 83-, the spin-ended mouths of 831-, 8311- seam top edges, 8312- seam lower edges, 84- pull bars, 85- adjusting nuts, 86- connecting plates, the horizontal bearing diagonals of 90-, The lifting of 100- templates is interval.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figures 1 to 12, Bridge High-pier of the present invention rises outrigger turning-over, including support arm system certainly 10th, retractor device 20, upper former system 42 and lower template system 41;The upper former system 42 is located at lower template system The top of system 41;
The upper former system 42 and lower template system 41 include one layer and surround the template that Bridge High-pier pours into a mould chamber 40;The horizontal back cord 13 of reinforcement is provided with the outer surface of template 40 of the upper former system 42 and lower template system 41;Phase The horizontal back cord 13 of the reinforcement in adjacent two pieces of templates 40 is connected by strengthening horizontal back cord connector 15 so that strengthen horizontal back cord 13 Hold tightly in the outer surface of template 40;
The top and bottom of described every piece of template of upper former system 42 40 are provided with support arm system 10;The outer branch Frame system 10 includes crank arm crossbeam 11, straight crossbeam 12, vertical nose girder 14;The two ends of straight crossbeam 12 are provided with crossbeam of cranking arm 11;Described one end of crossbeam 11 of cranking arm is connected with strengthening horizontal back cord 13, and the other end is connected with straight crossbeam 12;The straight crossbeam 12 and mould There is spacing between plate 40;The crossbeam 11 of cranking arm, straight crossbeam 12 and the horizontal back cord 13 of reinforcement surround the mould that template 40 may pass through Plate lifting interval 100;
The vertical nose girder 14 is arranged on the outside of template 40;The vertical nose girder 14 is by the lower end of lower template system 41 Extend to the top of upper former system 42, and height of the length more than three times template 40 of the vertical nose girder 14;
The vertical nose girder 14 is fixedly connected with straight crossbeam 12;The retractor device 20 is arranged on vertical nose girder 14 and lower floor Between the template 40 of template system 41;Described one end of retractor device 20 is another with being slidably connected on the vertical vertical direction of nose girder 14 End is detachably connected with template 40.
The main function of the lowering or hoisting gear 20 is that template 40 is removed, that is, enables template 40 from pouring what is be poured in Concrete surface comes off.
The horizontal back cord 13 of reinforcement in adjacent two pieces of templates 40 is connected by strengthening horizontal back cord connector 15 so that plus Tyrannical back cord 13 is held tightly in the outer surface of the template 40 of upper former system 42 and lower template system 41;It is to pour Enable the lock ring of template 40 on concrete into rear, so that the template 40 for follow-up lifting lower floor provides support force.
Constructed when pouring into a mould Bridge High-pier according to following steps:
1st, lower template system 41 is installed first, then poured into a mould, the cast of lower-layer concrete is completed, under Upper strata template system 42 is installed in the top of layer template system 41, and the cast of upper strata concrete is carried out after installation.
2nd, after upper layer concrete casting complete, support arm system is installed in the outside of upper former system and lower template system System 10 and retractor device 20.Specifically, the support arm system 10 includes crank arm crossbeam 11, straight crossbeam 12, vertical nose girder 14; Upper and lower ends in the outer surface of the template 40 of upper former system 42 are respectively mounted crossbeam 11 of cranking arm, straight crossbeam 12;The straight horizontal stroke The two ends of beam 12 are provided with crossbeam 11 of cranking arm;Described one end of crossbeam 11 of cranking arm is connected with strengthening horizontal back cord 13, the other end and straight horizontal stroke Beam 12 is connected;There is spacing between the straight crossbeam 12 and template 40;The crossbeam 11 of cranking arm, straight crossbeam 12 and the horizontal back of the body of reinforcement Stupefied 13 surround the template lifting interval 100 that template 40 may pass through;
Vertical nose girder 14 is arranged on to the outside of template 40;The vertical nose girder 14 is prolonged by the lower end of lower template system 41 Reach the top of upper former system 42, and height of the length more than three times template 40 of the vertical nose girder 14;It is described vertical Nose girder 14 is fixedly connected with straight crossbeam 12;
Retractor device 20 is arranged between vertical nose girder 14 and template 40;The retractor device 20 can be arranged on vertically Between the template 40 of nose girder 14 and upper former system 42, the mould of vertical nose girder 14 and lower template system 41 can also be arranged on Between plate 40.Described one end of retractor device 20 on the vertical vertical direction of nose girder 14 with being slidably connected, and the other end and template 40 are removable Connection is unloaded, specifically, the retractor device 20 is detachably connected with the horizontal back cord 13 of reinforcement in template 40.
As shown in figures 1 and 3, wherein the vertical nose girder 14 is arranged on the junction of straight crossbeam 12 and crossbeam 11 of cranking arm, It is provided with connection boss 32 on the vertical nose girder 14 to be connected with crossbeam 11 of cranking arm, the straight crossbeam 12 connects with vertical nose girder 14 Connect.Therefore now straight crossbeam 12 is connected by vertical nose girder 14 with crossbeam 11 of cranking arm.
3rd, dismounting overmolded is carried out to lower template system 41;
As shown in Fig. 2 to 7, retractor device 20 is connected with the template 40 of lower template system 41 first;It will specifically stretch Compression apparatus 20 is fixedly connected with the horizontal back cord 13 of the reinforcement in the template 40 of lower template system 41.Then lower template system is removed The horizontal back cord connector 15 of reinforcement between 41 adjacent two pieces of templates 40;Template 40 is departed from from concrete.Then open Dynamic retractor device 20 causes retractor device 20 to shrink, so as to depart from lower-layer concrete with moving platen 40.So that template 40 is located at mould In plate lifting interval 100;So retractor device 20 is moved up, turned over until lower template system 41 and be raised to upper former system Position as defined in 42 top.Drive retractor device 20 so that retractor device 20 extends is moved to corresponding position by template 40 On, lower template system 41 is reinstalled in the top of upper former system 42, will by strengthening horizontal back cord connector 15 The horizontal back cord 13 of reinforcement in adjacent two pieces of templates 40 is attached;Then third layer concrete is poured into a mould.
4th, external mounting system 10 is lifted;
It is as shown in Figs. 8 to 11, first retractor device 20 is fixed in template 40;Then crossbeam 11 will be cranked arm with adding The connection of tyrannical back cord 13 is taken apart so that crossbeam 11 of cranking arm, which departs from, strengthens horizontal back cord 13;It is then overall to lift support arm system 10, Defined position is moved to, now stress retractor device 20 plays a part of stress.The lifting of support arm system 10 position as defined in When putting, the crossbeam 11 that will crank arm is re-connected with strengthening horizontal back cord 13;So as to complete the overall lifting of support arm system 10.
5th, as shown in figure 12, releasing retractor device 20 is fixedly connected with template 40, and retractor device 20 is freely glided It is connected on to upper former system 42 with the template 40 of upper former system 42.Now lower template system 41 has been thus lifted to The top of upper former system 42.
The lifting for the overmolded and support arm system 10 that can complete template 40 of repeating the above steps, realizes and recycles, Until bridge pier casting complete.
In summary, Bridge High-pier of the present invention passes through two layers of template system above and below setting from outrigger turning-over is risen System, and in the outer setting support arm system 10 of template 40 of upper former system 42, support arm system 10 and adding in template 40 The tyrannical formation of back cord 13 template lifting interval 100;It is provided with simultaneously between vertical nose girder 14 and template 40 relative to vertically leading Beam 14 can slide up and down retractor device 20;The assembly and disassembly of template 40 are realized by retractor device 20 and lifted in template interval Lifting in 100, so as to realize that liter is turned in the circulation of bolster system.Therefore Bridge High-pier of the present invention is turned over from outrigger is risen Die device is without the pre-buried special embedded part in bridge pier concrete, without the reserving hole channel in concrete, from liter outrigger overmolded body It is that system is not take up pouring concrete pier stud headroom when template is turned over liter, without tower crane, template construction and pier when template is turned over liter Post reinforcement construction is not interfere with each other, and template is turned over space of liter process between template and this template after-poppet and carried out, simple to operate, matter Amount is more easy to control, and faster, cost is lower for progress, and degree of safety is higher.Bridge High-pier can be realized from outrigger turning-over is risen simultaneously The recycling of bolster system, so as to save construction material, it is to avoid substantial amounts of building waste is produced in work progress, is realized Green construction.
, it is necessary to which the crossbeam 11 that will crank arm is dismantled, in order to avoid that will crank arm during the overall lifting of external mounting system 10 Crossbeam 11 is individually lifted after dismantling.As shown in Figure 17 and Figure 18, further, the vertical nose girder 14 is arranged on horizontal stroke of cranking arm The junction of beam 11 and straight crossbeam 12;Crossbeam push-pull device at fixed 30 of cranking arm is provided with the vertical nose girder 14;
The crossbeam push-pull device at fixed 30 of cranking arm is convex including the connection being connected with crossbeam 11 of cranking arm set on vertical nose girder 14 Platform 32;The crossbeam 11 of cranking arm is detachably connected with being connected boss 32;One side of the connection horizontal direction of boss 32 is set The first L-type support 321 is equipped with, another is provided with the second L-type support 322 sideways;The L-type of first L-type support 321 and second Support 322 forms U-shaped support frame;Crossbeam 11 of cranking arm is located in U-shaped support frame with being connected one end of the connection of boss 32;
There are horizontal support bar 35, the horizontal support bar 35 between the L-type support 322 of first L-type support 321 and second One end is detachably connected with the first L-type support 321, and the other end is detachably connected with two L-type supports 322;The horizontal support bar 35 are mutually perpendicular to vertical nose girder 14;The horizontal support bar 35 passes through crossbeam 11 of cranking arm.
In actual implementation process, the end face of the connection boss 32 is inwardly provided with the first U-shaped groove 323, described First U-shaped groove 323 is extended through the lower surface of connection boss 32 by the upper surface of connection boss 32;The crossbeam 11 of cranking arm is with connecting The one end for connecing the connection of boss 32 is provided with the second U-shaped groove 341, the first U-shaped groove 323 and is provided with contiguous block 33;Institute State the one end of contiguous block 33 with the first U-shaped groove 323 to coordinate, the other end coordinates with the second U-shaped groove 341;The connection boss 32 On be provided with the first connector 36;First connector 36 extends through another side by a side of connection boss 32, And first connector 36 passes through contiguous block 33;The second connector 37 is provided with the crossbeam 11 of cranking arm;Described second connects Fitting 37 extends through another side by a side of crossbeam 11 of cranking arm, and second connector 37 passes through contiguous block 33.
The horizontal support bar 35 at least has two.At least provided with two the first connectors on the connection boss 32 36;At least provided with two the second connectors 37 on the crossbeam 11 of cranking arm.The connector of first connector 36 or second 37 use bolt.
By setting crossbeam push-pull device at fixed 30 of cranking arm on vertical crossbeam 14, so that crossbeam 11 of cranking arm is dismantled Afterwards, it can realize and move horizontally, can be lifted together with support arm system 10.
Due to the heavier mass of template 40, in order to improve the stability of structure, strengthen weight capacity;Further, every piece of template 40 outside is provided with least two vertical nose girders 14.The retractor device 20 at least has four, and in the appearance of template 40 Face is distributed by regular polygon.
The main function of the retractor device 20 is that template 40 is dismantled, while so that dismounting after lower template 40 It is moved horizontally to the lower section of template lifting interval 100.Template 40 needs to be lifted simultaneously, therefore retractor device 20 needs and vertical Nose girder 14 is slidably connected.The retractor device 20 can use various ways, such as hydraulic cylinder is directly used, by the one of hydraulic cylinder End is slidably connected with vertical nose girder 14.
In order to reduce cost, it is easy to operation, as shown in Figure 13 to 16, a kind of preferred embodiment of the retractor device 20 is institute Stating retractor device 20 includes sliding case 21, expansion link 22;The expansion link 22 extends through other end by the end face of sliding case 21;Institute Expansion link 22 is stated to be slidably matched with sliding case 21;
Two relative sides are provided with rail limiting device on the sliding case 21;The rail limiting device is included extremely Few two pairs of position-limited wheel groups, the position-limited wheel group is on the side of sliding case 21 along the directional spreding perpendicular to the axis of expansion link 22;Institute Stating position-limited wheel group includes runner 241 in track and the outer runner 242 of track;The outer circumference surface and track of runner 241 in the track There is track installation gap between the outer circumference surface of outer runner 242.
In practice of construction application, retractor device 20 can be specifically set to pacify on following structure, the sliding case 21 It is provided with two sides equipped with rail limiting device on tracks positioned wheel 25, the outer circumference surface of the tracks positioned wheel 25 It is provided with the circular orbit chute being adapted to track;The circular orbit chute of the tracks positioned wheel 25 is just to runner in track Track installation gap between the outer circumference surface of the outer runner 242 of 241 outer circumference surface and track.
The expansion link 22 includes flexible mobile jib 222, flexible faller 221;The flexible mobile jib 222 and flexible faller 221 Between have spacing;The flexible mobile jib 222 and flexible faller 221 both pass through sliding case 21, and are slidably matched with sliding case 21;It is described One end of flexible mobile jib 222 is fixedly connected with one end of flexible faller 221;The other end of the flexible faller 221, which is provided with, to be stretched Contracting drive device.
Laterally limit bar runner 23 and vertical limit bar runner 26 are provided with the sliding case 21;The laterally limit bar runner 23 And vertical limit bar runner 26 forms the sliding channel of flexible mobile jib 222;The outer surface of the flexible mobile jib 222 and laterally limit bar The outer circumference surface contact of runner 23, the outer surface of the flexible mobile jib 222 is contacted with the outer circumference surface of vertical limit bar runner 26;Institute The axis for stating laterally limit bar runner 23 and vertical limit bar runner 26 is vertical with the axis of flexible mobile jib 222.
Protection wheel 27 is provided with the two sides of sliding case 21;Protection 27 outer circumference surfaces of wheel and the outer runner of track There is spacing between 242 outer circumference surfaces.One end of the flexible mobile jib 222 is provided with the first gag lever post 2221, and the other end is set There is the second gag lever post 2222.
In order to increase the weight capacity of support arm system 10, further, described Bridge High-pier rises outrigger turning-over certainly, The crossbeam 11 of cranking arm also included in closure beam connection 16, two neighboring template 40 is connected by closing beam connection 16.By Connected in the crossbeam 11 of cranking arm in two neighboring template 40 by closing beam connection 16, hence in so that support arm system 10 is tight Hoop is in template 40, so as to increase weight capacity.
In order to improve the stability of structure, further, the top and bottom of the template 40 of the upper former system 42 Support arm system 10 between be provided with batter brace 60.
The retractor device 20 can with lifting can be using manually being realized by chain block, for the ease of retractor device The lifting device 70 that driving retractor device 20 is slided up and down is provided with 20 lifting, the vertical nose girder 14.The lifting dress Put 70, so as to reduce the labor intensity of workman, can improve work effect using hoist engine, electric block, hydraulic system etc. Rate.
In order that workman is easy to operate when to template 40 turn over liter;Set on one step, the vertical nose girder 14 It is equipped with the operating platform bearing rod 50 for setting up operating platform.By setting up operating platform, constructor in operating platform bearing rod 50 Member can carry out corresponding operating on the operational platform, consequently facilitating operation, improves operating efficiency.
To ensure that template 40 and support arm system 10 lift safety in vertical nose girder 14 using double track nose girder 80;It is described vertical Anti-drop system is provided with nose girder 14.The double track nose girder 80 has two parallel guide rails 801, two guide rails 801 it Between have carriage clipping room away from 802;The drop preventer include anti-fall pin 82, spin-ended plate 83, adjusting nut 85 and Pull bar 84, the pull bar 84 extends through the other end by one end of guide rail 801, and is provided with and pull bar at the two ends of guide rail 801 The adjusting nut 85 that 84 screw threads coordinate;The side of guide rail 801 is provided with spin-ended plate 83, and the spin-ended plate 83 is slided with guide rail 801 Dynamic connection, the spin-ended plate 83 is fixedly connected with pull bar 84;Spin-ended mouth 831 is provided with the spin-ended plate 83;The anti-fall pin 82 centre positions are hinged with guide rail 801;One end of the anti-fall pin 82 passes through spin-ended mouth 831, and the other end extends to carriage Clipping room is away from 802.
Specifically, the anti-fall pin construction opening 811 of vertically upper extension is provided with the guide rail 801, it is described anti- Fall pin 82 and pass through anti-fall pin construction opening 811, and the centre position of anti-fall pin 82 is hinged with guide rail 801;On the guide rail 801 Chute 812 is provided with, the anti-fall rotation of pin 82 is located at carriage clipping room and leaves carriage installation away from one end in 802 It is located at during spacing 802 in chute 812.The pull bar 82 has two.Connecting plate 86 is provided between two guide rails 801; The connecting plate 86 is located at the two ends of guide rail 801.The guide rail 801 uses I-steel or H profile steel.
In the course of work:
1) double track nose girder falling proof device is installed, then the carriage peace between two guide rails 801 Fill and retractor device 20 is installed in spacing 802;
As shown in figure 21, when carriage is relative to double track 80 upward sliding of nose girder, i.e., climbing shuttering 40 when, regulation is led The adjusting nut 85 at the two ends of rail 801 causes pull bar 84 to drive spin-ended plate 83 to move so that the seam of spin-ended mouth 831 on spin-ended plate 83 The anti-fall top edge absolute altitude of pin 82 is consistent when top edge 8311 is with anti-fall pin 82 holding horizontality.Retractor device 20 is in upward sliding During, the rotate counterclockwise of anti-fall pin 82 on the left of drive, the anti-fall pin 82 on right side turns clockwise, until anti-fall pin 82 prolongs When reaching carriage clipping room and leaving carriage clipping room away from 802 away from one end in 802, retractor device 20, which passes through, slides dress Clipping room is put away from 802 upward slidings.Retractor device 20 is if there is falling, due to when retractor device 20 is after anti-fall pin 82, Anti-fall pin 82 can return to horizontality under gravity, and now the anti-fall pin 82 in left side is clockwise, the anti-fall pin on right side 82 rotate counterclockwises.Recover after horizontality, even if anti-fall pin 82 is acted on by the external force of the retractor device 20 glided, spin-ended mouth 831 seam top edge 8311 will hinder anti-fall pin 82 to continue rotation, one end of anti-fall pin 82 be located at carriage clipping room away from In 802, carriage is obstructed when gliding, so that retractor device 20 can only upward sliding relative to double track nose girder 80.
As shown in figure 22, when carriage is with respect to double track 80 slide downward of nose girder, that is, when lifting support arm system 10, adjust The adjusting nut 85 at section guide rail 801 two ends causes pull bar 84 to drive spin-ended plate 83 to move so that spin-ended mouth 831 on spin-ended plate 83 Anti-fall pin lower edge absolute altitude is consistent when seam lower edge 8312 is with anti-fall pin 82 holding horizontality.
Carriage is during slide downward, and the anti-fall pin 82 on the left of drive turns clockwise, the anti-fall pin on right side 82 rotate counterclockwises, now anti-fall pin 82, which extends to carriage clipping room and rotated to away from one end in 802, leaves carriage When clipping room is away from 802, retractor device 20 passes through.If carriage will go up motion, due to passing through anti-fall pin 82 when carriage Afterwards, anti-fall pin can return to horizontality under gravity, now the rotate counterclockwise of anti-fall pin 82 in left side, right side it is anti- Pendant pin 2 turns clockwise.Recover after horizontality, it is spin-ended even if anti-fall pin 82 is acted on by the external force of the carriage of upper cunning The seam lower edge 8312 of mouth 831 hinders anti-fall pin 82 to continue to rotate;One end of anti-fall pin 82 be located at carriage clipping room away from In 802, cunning is obstructed on retractor device 20, so that retractor device 20 can only slide downward relative to double track nose girder 80.

Claims (10)

1. Bridge High-pier rises outrigger turning-over certainly, it is characterised in that:Including support arm system (10), retractor device (20), on Layer template system (42) and lower template system (41);The upper former system (42) is located at the upper of lower template system (41) Side;
The upper former system (42) and lower template system (41) include one layer and surround the template that Bridge High-pier pours into a mould chamber (40);The horizontal back of the body of reinforcement is provided with template (40) outer surface of the upper former system (42) and lower template system (41) Stupefied (13);The horizontal back cord of the reinforcement (13) on adjacent two pieces of templates (40) is connected by strengthening horizontal back cord connector (15), Held tightly so that strengthening horizontal back cord (13) in the outer surface of template (40);
The top and bottom of every piece of template of the upper former system (42) (40) are provided with support arm system (10);It is described outer Mounting system (10) includes crank arm crossbeam (11), straight crossbeam (12), vertical nose girder (14);Straight crossbeam (12) two ends are respectively provided with Crank arm crossbeam (11);Described crossbeam of cranking arm (11) one end is connected with strengthening horizontal back cord (13), and the other end connects with straight crossbeam (12) Connect;There is spacing between the straight crossbeam (12) and template (40);The crossbeam of cranking arm (11), straight crossbeam (12) and reinforcement are horizontal Back cord (13) surrounds the template lifting interval (100) that template (40) may pass through;
The vertical nose girder (14) is arranged on the outside of template (40);The vertical nose girder (14) is by lower template system (41) Lower end extends to the top of upper former system (42), and height of the length more than three times template (40) of the vertical nose girder (14) Degree;
The vertical nose girder (14) is fixedly connected with straight crossbeam (12);The retractor device (20) be arranged on vertical nose girder (14) with Between template (40);Described retractor device (20) one end on vertical nose girder (14) vertical direction with being slidably connected, the other end and mould Plate (40) is detachably connected.
2. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:The vertical nose girder (14) sets Put the junction in crossbeam of cranking arm (11) and straight crossbeam (12);Crossbeam push-pull device at fixed of cranking arm is provided with the vertical nose girder (14) (30);
The crossbeam push-pull device at fixed (30) of cranking arm includes the connection being connected with crossbeam of cranking arm (11) set on vertical nose girder (14) Boss (32);The crossbeam of cranking arm (11) is detachably connected with being connected boss (32);
One side of described connection boss (32) horizontal direction is provided with the first L-type support (321), and another is provided with sideways Second L-type support (322);First L-type support (321) and the U-shaped support frame of the second L-type support (322) formation;Crank arm crossbeam (11) it is located at being connected one end of boss (32) connection in U-shaped support frame;
There are horizontal support bar (35), the horizontal support bar between first L-type support (321) and the second L-type support (322) (35) one end is detachably connected with the first L-type support (321), and the other end is detachably connected with two L-type supports (322);The water Flat support bar (35) is mutually perpendicular to vertical nose girder (14);The horizontal support bar (35) passes through crossbeam (11) of cranking arm.
3. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:The outside of every piece of template (40) It is provided with least two vertical nose girders (14).
4. Bridge High-pier as claimed in claim 3 rises outrigger turning-over certainly, it is characterised in that:The retractor device (20), Including sliding case (21), expansion link (22);The expansion link (22) extends through other end by the end face of sliding case (21);It is described to stretch Contracting bar (22) is slidably matched with sliding case (21);
The upper two relative sides of sliding case (21) are provided with rail limiting device;The rail limiting device is included at least Two pairs of position-limited wheel groups, the position-limited wheel group is on the side of sliding case (21) along the directional spreding perpendicular to expansion link (22) axis; The position-limited wheel group includes runner (241) and the outer runner (242) of track in track;The excircle of runner (241) in the track There is track installation gap between the outer circumference surface of face and the outer runner (242) of track.
5. Bridge High-pier as claimed in claim 4 rises outrigger turning-over certainly, it is characterised in that:The retractor device (20) is extremely There are four less, and be distributed in template (40) outer surface by regular polygon.
6. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:Also include closure beam connection (16), the crossbeam of cranking arm (11) on two neighboring template (40) is connected by closing beam connection (16).
7. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:The upper former system (42) batter brace (60) is provided between the support arm system (10) of the top and bottom of template (40).
8. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:On the vertical nose girder (14) It is provided with the lifting device (70) that driving retractor device (20) is slided up and down.
9. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:On the vertical nose girder (14) It is provided with the operating platform bearing rod (50) for setting up operating platform.
10. Bridge High-pier as claimed in claim 1 rises outrigger turning-over certainly, it is characterised in that:The vertical nose girder (14) Using double track nose girder (80);Anti-drop system is provided with the vertical nose girder (14);There are the double track nose girder (80) two to be put down There is carriage clipping room away from (802) between capable guide rail (801), two guide rails (801);The drop preventer bag Anti-fall pin (82), spin-ended plate (83), adjusting nut (85) and pull bar (84) are included, the pull bar (84) is by the one of guide rail (801) End extends through the other end, and the adjusting nut (85) coordinated with pull bar (84) screw thread is provided with the two ends of guide rail (801);Institute State guide rail (801) side and be provided with spin-ended plate (83), the spin-ended plate (83) is slidably connected with guide rail (801), the spin-ended plate (83) it is fixedly connected with pull bar (84);Spin-ended mouth (831) is provided with the spin-ended plate (83);Anti-fall pin (82) interposition Put and be hinged with guide rail (801);One end of the anti-fall pin (82) passes through spin-ended mouth (831), and the other end extends to carriage peace Fill in spacing (802).
CN201610288289.0A 2016-05-04 2016-05-04 Bridge High-pier rises outrigger turning-over certainly Active CN105839542B (en)

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CN108316646A (en) * 2018-03-21 2018-07-24 昌宜(天津)模板租赁有限公司 A kind of novel adjustable back cord holder
CN108532464A (en) * 2018-03-30 2018-09-14 中国十九冶集团有限公司 Bridge High-pier turns over the three-dimensional adjusting method of creeping formwork template
CN108487067B (en) * 2018-03-30 2019-07-09 中国十九冶集团有限公司 What Bridge High-pier turned over creeping formwork template turns over the method for climbing
CN113338610B (en) * 2021-07-01 2022-06-03 广州市黄埔建筑工程总公司 Concrete pouring construction method for hysteresis synchronization construction of same floor of building floor slab

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JP3026161B2 (en) * 1996-05-22 2000-03-27 ヒロセ株式会社 Self-elevating formwork apparatus and method of lifting the apparatus
JP4252177B2 (en) * 1999-11-29 2009-04-08 大成建設株式会社 Steel / concrete composite structure pier construction method
CN2440889Y (en) * 2000-08-16 2001-08-01 刘功诠 Lifting platform framework turning-over device
CN201865054U (en) * 2010-11-19 2011-06-15 贵阳深友工贸有限责任公司 Hydraulic climbing formwork device for high bridge pier
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