CN202039300U - Hanging bracket for bridge cantilever casting construction - Google Patents
Hanging bracket for bridge cantilever casting construction Download PDFInfo
- Publication number
- CN202039300U CN202039300U CN201120106678XU CN201120106678U CN202039300U CN 202039300 U CN202039300 U CN 202039300U CN 201120106678X U CN201120106678X U CN 201120106678XU CN 201120106678 U CN201120106678 U CN 201120106678U CN 202039300 U CN202039300 U CN 202039300U
- Authority
- CN
- China
- Prior art keywords
- section
- bed die
- side form
- internal mold
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a hanging bracket for bridge cantilever casting construction. The hanging bracket comprises a bottom mould system, a side mould system, an inner mould system, an anchoring system, a travelling system and a hoisting system, wherein the bottom mould system, the side mould system and the inner mould system form an opened hanging bracket structure which does not have a bridge face bracket, and the hoisting system is used for hoisting a pre-bounded reinforcement cage. A construction method of the hanging bracket comprises the following steps of: casting concrete, maintaining, demoulding and tensioning prestressed reinforcement; making the side mould system and the side mould system travel to the next beam section position and fixing the side mould system and the side mould system; hoisting the pre-bounded reinforcement cage, connecting a corrugated pipe and ordinary steel bars, and mounting a sawtooth template; and making the inner mould system travel to the next beam section position and fixing the inner mould system; and adjusting and re-fixing the side mould system, the bottom mould system and the inner mould system. Through the hanging bracket, the steel bars can be pre-bounded and wholly hoisted, so the time of the steel bar process is greatly shortened, the circle period of the cantilever casting construction is shortened, and the bridge construction speed is increased.
Description
Technical field
The utility model relates to a kind of bridge Construction Technology, refers in particular to a kind of no bridge floor support open type Hanging Basket and job practices that is used for the construction of bridge cantilever pouring.
Background technology
Hanging Basket is the technological equipment of bridge cantilever pouring construction, is the job platform of realizing the bridge cantilever pouring.The structure of tradition Hanging Basket as shown in Figure 1, it comprise outer sliding beam 902, walking rails 904, left-hand thread wheel to 905, before the bridge floor support 907, top rail 909, preceding suspension rod 910, side form 911, bed die longeron 913, bed die joist 915 and bed die back strap 916 behind joist 914, the bed die.Wherein, sliding outward beam 902 is hung on suspension centre 901 before the outer sliding beam, outward behind the sliding beam on suspension centre 903 and the preceding suspension rod 910, and before can externally sliding mutually beam behind suspension centre 901 and the outer sliding beam suspension centre 903 slide; Bridge floor support 907 was fixed in to become on the beam section with back anchor pole 906 by bridge floor support front fulcrum 908 in the beam body section construction stage, in the suspended basket stage by left-hand thread wheel to 905 and walking rails 904, and be fixed in to become on the beam section with the slide plate that bridge floor support front fulcrum 908 is located at; Side form 911 rear and front ends are connected with joist 915 behind the bed die by the preceding joist 914 of side form bracket 912 and bed die.The characteristics of this Hanging Basket are that the back end reaction of template is directly delivered to the beam body 921 (having become the beam section) of finishing prestressed reinforcement stretch-draw, the preceding end reaction of template is delivered to the support 907 that is positioned on the bridge floor by preceding suspension rod 910, be delivered to the beam body 921 (having become the beam section) of finishing prestressed reinforcement stretch-draw by support 907 again, the bridge floor support 907 in the promptly existing Hanging Basket is that load with suspension rod before the Hanging Basket 910 is by back anchor pole 906, bridge floor support front fulcrum 908[cradle construction state] or left-hand thread wheel to 905, bridge floor support front slide 908, walking rails 904[suspended basket state] be delivered on the bridge floor.Because the bridge floor support is positioned at directly over the construction beam section, limited the working space of bridge construction, usually need assembling reinforcement in template, bellows is installed.Because the bridge working space is narrow and small, reinforcing bar must be by root and by colligation in the template of manually delivering to construction sections 922, and therefore, the reinforcing bar binding operation has taken the cycle period of cantilever pouring, and there is to a certain degree influence total duration of bridge construction.
Summary of the invention
The technical problem that the utility model solves is: a kind of Hanging Basket that is used for the construction of bridge cantilever pouring is provided, and reinforcing bar binding takies the problem of cantilever pouring activity time when having Hanging Basket now with the solution employing.
Technical solution of the present utility model is: a kind of Hanging Basket that is used for the construction of bridge cantilever pouring, this Hanging Basket comprises bed die system, side form system, inner formwork system, anchor system, walking system and Lift-on/Lift-off System, and described walking system is used to realize that the traveling of Hanging Basket moves; Wherein, described bed die system, side form system, inner formwork system are anchored to become on the beam section by described anchor system, form the open type cradle structure of no bridge floor support; Described Lift-on/Lift-off System is used for lifting the good cage of reinforcement of colligation in advance.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, described Lift-on/Lift-off System adopts the straddle truck that the lifting mode lifts cage of reinforcement or is provided with at bridge floor under the bridge.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, the outer sliding beam, walking rails, travelling wheel that described walking system comprises the external side of beam to and sliding rail, wherein, described outer sliding beam is hung at the below of beam body frange plate, and described walking rails and travelling wheel are to being located at the below of outer sliding beam; Described sliding rail is located at beam body inboard.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, before described bed die system comprises in joist before joist behind bed die panel, bed die longeron, the bed die, the bed die, the bed die in back strap, the bed die suspender belt, the outer back strap of bed die and bed die outer before suspender belt, wherein, described bed die panel directly contacts with concrete, is supported by the bed die longeron below; Bed die longeron two ends by bed die after before the joist, bed die joist support; Joist is supported by back strap outside back strap, the bed die in the bed die behind the bed die, and joist is supported by preceding suspender belt, the outer preceding suspender belt of bed die in the bed die before the bed die; The outer back strap of bed die, the outer preceding suspender belt of bed die are positioned at the external side of beam, and are connected with outer sliding beam; Back strap, the interior preceding suspender belt of bed die are positioned at beam body inboard in the bed die, and back strap directly is anchored to have become on the beam section base plate in the bed die, and suspender belt was connected to inner formwork system before bed die was interior.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, described side form system comprises side form A section, side form B section and side form C section, wherein, side form A section is meant corresponding beam body frange plate and side form following, that walking rails is above, and its below is provided with the suspended basket walking rails; Side form C section is the main template of beam body web, and side form C section rear and front end is provided with drawing and pressing type side form bracket, behind side form bracket and the bed die before joist, the bed die joist is connected, it is right with taking turns that side form C section top is provided with suspended basket; Side form B section is the changeover portion that connects side form A section and side form C section.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, described inner formwork system comprises internal mold A section, internal mold B section and can regulate the internal mold C section of width, wherein, the template of inboard top board of described internal mold A section fingerboard body and web intersection, this section template can be provided with rotatably; Internal mold B section is the standard paragraphs internal mold that adjusting and rotating stripping demoulding function were fixed, do not had to structure, and the one side is connected with internal mold A section, and opposite side is connected with internal mold C section by sliding rail.
The aforesaid Hanging Basket that is used for bridge cantilever pouring construction, wherein, internal mold A section one side with by cut with scissors, movable screw mandrel or hydraulic jack be connected with internal mold B section.
The aforesaid Hanging Basket that is used for bridge cantilever pouring construction, wherein, in the described bed die before in upper end and internal mold A section, internal mold B section, the internal mold C section of suspender belt one section be connected, connected internal mold is provided with corresponding pin-and-hole.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, suspender belt and side template to lacing wire before suspender belt before described anchor system comprises in the shoulder pole girder, anchor pole, self-locking jack, bed die in back strap, the bed die, the outer back strap of bed die, bed die are outer, wherein shoulder pole girder, anchor pole, self-locking jack supporting use on bridge floor, the anchor object of anchor system comprise outer sliding beam, internal mold A section, internal mold B section, internal mold C section, side form C section and bed die system.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, the described outer beam leading portion of sliding penetrates in the side form A section, and back segment cross sectional shape and beam body cooperate, and the bottom is provided with walking rails and the pin-and-hole that is connected for the outer back strap of bed die, the outer preceding suspender belt of bed die; Walking rails is separately positioned on side form A section and the outer sliding beam, two sections straight connections of track during traveling; Travelling wheel is to being arranged on the side form C section, and sliding rail is separately positioned on internal mold B section, the internal mold C section, and described internal mold B section, internal mold C section can be provided with sliding relative to one another.
The aforesaid Hanging Basket that is used for the construction of bridge cantilever pouring, wherein, described outer sliding beam and side form A section arranged outside straddle truck track, bridge floor is provided for lifting the straddle truck of cage of reinforcement.
The utility model utilization does not have bridge floor support open type Hanging Basket, has realized reinforcing bar colligation in advance, integral hoisting, has shortened reinforcing bar operation holding time significantly, has shortened the cycle period of cantilever pouring construction, to accelerating bridge construction speed bigger effect is arranged; Cancel the bridge floor support, alleviated the Hanging Basket overall weight, saved cost; The Hanging Basket overall weight alleviates, and helps the linear control of bridge, and is especially significant to Longspan Bridge.
Description of drawings
Fig. 1 is the structural representation of existing Hanging Basket.
Fig. 2 A is the structural representation that is used for a specific embodiment of bridge cantilever pouring construction Hanging Basket of the present utility model.
Fig. 2 B is the lateral view corresponding to the II-II line among Fig. 2 A, and wherein left-half is the semi-section at corresponding Dun Ding place, and right half part is the semi-section at corresponding span centre place.
Fig. 2 C is the structural representation corresponding to I-I line among Fig. 2 B.
Fig. 3 A is the partial structurtes enlarged diagram among Fig. 2 B, and it mainly shows the structural representation of side form A section and inner formwork system.
Fig. 3 B is the structural representation of inner formwork system among Fig. 2 B.
Fig. 4 is the structural representation of the side form bracket that adopted among the embodiment of the present utility model.
Fig. 5 A to Figure 11 B is the schematic diagram that is used for corresponding each step of cradle construction method of bridge cantilever pouring construction of the present utility model.
The specific embodiment
Reinforcing bar binding takies the problem of cantilever pouring activity time when adopting traditional Hanging Basket in order to overcome, the utility model proposes a kind of no bridge floor support open type Hanging Basket that is used for the construction of bridge cantilever pouring, this Hanging Basket comprises the bed die system, the side form system, inner formwork system, anchor system, walking system and Lift-on/Lift-off System, described walking system is used to realize that the traveling of Hanging Basket moves, the bed die system, the side form system, inner formwork system is anchored to become on the beam section by anchor system, form the open type cradle structure of no bridge floor support, Lift-on/Lift-off System is used for lifting the good cage of reinforcement of colligation in advance.Accordingly, the job practices of this Hanging Basket may further comprise the steps: S1, concreting, maintenance, the demoulding, prestressed reinforcement of tensioning; Next beam fragment position is walked to walk to by S2, side form system and bed die system, and is fixing; S3, the good cage of reinforcement of lifting colligation in advance connect bellows; S4, inner formwork system walk to walk to next beam fragment position, fixing; S5, adjustment side form system, bed die system, inner formwork system, fixation side modular system, bed die system, inner formwork system once more; Repeat abovementioned steps, finish cradle construction.Utilize Hanging Basket of the present utility model, can realize reinforcing bar colligation in advance, integral hoisting, shortened reinforcing bar operation holding time significantly, shortened the cycle period of cantilever pouring construction, bigger effect is arranged accelerating bridge construction speed.
Utilize Hanging Basket of the present utility model, Lift-on/Lift-off System is preferably the lifting mode under the bridge that adopts during the lifting condition under possessing bridge; Lift-on/Lift-off System is preferably the straddle truck 21 that is provided for lifting cage of reinforcement at bridge floor, the cloth when this straddle truck 21 also can be used for concreting simultaneously when not possessing under the bridge lifting condition.
In the specific embodiment of the present utility model, the outer sliding beam 4, walking rails 15, travelling wheel that walking system comprises the external side of beam is to 7 and sliding rail 22, wherein, described outer sliding beam 4 is hung at the below of beam body frange plate, walking rails 15 and travelling wheel are located at the outer below of sliding beam 4 to 7, move with the traveling that realizes side form system and bed die system; Sliding rail 22 is located at beam body inboard, is used to realize that the traveling of inner formwork system moves.
Each ingredient of Hanging Basket of the present utility model can adopt multiple scheme to realize in conjunction with prior art, be difficult to herein give unnecessary details one by one, for the ease of the understanding to this case technical scheme, the utility model is described in further detail below in conjunction with a specific embodiment wherein.Please refer to shown in Fig. 2 A to Figure 11 B, it is the structural representation and the construction process figure of a specific embodiment of the present utility model.In the present embodiment, this no bridge floor support open type Hanging Basket comprises bed die system, side form system, inner formwork system, anchor system, walking system and Lift-on/Lift-off System, wherein:
Shown in Fig. 2 A to Fig. 2 C, the bed die system comprises bed die panel (not shown), support section and hangs part, wherein, support section comprises joist 11 before joist 10 behind bed die longeron 101, the bed die, the bed die, suspender belt 5 before suspender belt 12 before the hanging portion branch comprises in the bed die in back strap 9, the bed die, the outer back strap 6 of bed die, bed die are outer.The bed die panel directly contacts with concrete, is supported by bed die longeron 101 below; Bed die longeron 101 two ends by bed die after before the joist 10, bed die joist 11 support; Joist 10 is supported by back strap outside back strap in the bed die 9, the bed die 6 behind the bed die, and joist 11 is supported by preceding suspender belt 12, the outer preceding suspender belt 5 of bed die in the bed die before the bed die.The outer back strap 6 of bed die, the outer preceding suspender belt 5 of bed die are positioned at the external side of beam, are connected with outer sliding beam 4; Back strap 9, the interior preceding suspender belt 12 of bed die are positioned at beam body inboard in the bed die, back strap 9 directly is anchored to have become on the beam section base plate in the bed die, in the bed die before suspender belt 12 be connected according to one section in position needs (internal force, distortion, structure by joist before the bed die 11 need be determined) and internal mold A section 17, internal mold B section 18, the internal mold C section 19.
Shown in Fig. 2 A, Fig. 2 B and Fig. 2 C, the side form system comprises side form A section 16, side form B section 14, side form C section 13.Side form A section 16 is corresponding to beam body frange plate and following, the side form part of walking rails more than 15.Side form A section 16 outsides can be provided with the track 20 for straddle truck 21 travelings, and in position reserve the space of wearing outer sliding beam 4, and the below is provided with suspended basket walking rails 15.Side form C section 13 is into the main template of ellbeam body web, but piecemeal manufacturing as required, assembling, and change according to beam height degree and to adjust.Side form C section 13 rear and front ends are provided with drawing and pressing type bracket 8, behind side form bracket 8 and the bed die before joist 10, the bed die joist 11 be connected.As shown in Figure 4, the drawing and pressing type bracket 8 that present embodiment adopts comprises bracket leading screw 80, be arranged at the universal hinge 82 that bracket 81 on the bracket leading screw 80 and bracket leading screw 80 ends are provided with, and is connected by joist 10 behind universal hinge 82 and the bed die (or before the bed die joist 11).Side form C section 13 tops are provided with the suspended basket wheel to 7; This section template rear end must be used lacing wire 23 anchorings with becoming the beam section in the construction stage (referring to reinforcing bar lifting, concreting, prestressed reinforcement stretch-draw).Side form B section 14 is the changeover portions that connect side form A section 16 and side form C section 13, in the construction stage side form A section 16 and side form C section 13 is linked to be integral body, and keeps necessary integral rigidity, and should remove this side form B section 14 in the suspended basket stage.
Inner formwork system is to utilize anchor system (can comprise anchor pole 1, shoulder pole girder 2, self-locking jack 3) to connect with becoming the beam section, shown in Fig. 2 C, it mainly comprises internal mold A section 17, internal mold B section 18 and internal mold C section 19, because the general structure of internal mold of inner formwork system (is meant the internal mold of web part, usually adopt combined steel formwork and steel pipe scaffold assembly unit) can adopt existing structure to realize, so locate to repeat no more.Internal mold A section 17 is template part of inboard top board of fingerboard body and web intersection, and this section template is wanted and can be rotated flexibly, is convenient to the demoulding.In the present embodiment, internal mold A section is to be connected with internal mold B section 18 with screw mandrel 171 by hinge 170, can rotate flexibly around the hinge place behind the dismounting screw mandrel 171, sees Fig. 3 B and Figure 10 B for details.Internal mold B section 18 is one section internal mold (standard paragraphs) that adjusting and rotating stripping demoulding function were fixed, do not had to structure, and the one side is connected by hinge 170, movable screw mandrel 171 (or hydraulic jack) with internal mold A section 17, and opposite side is connected with internal mold C section 19 by sliding rail 22.Internal mold C section 19 adjustable widths change the inner width variation that causes to adapt to beam body web thickness, and are connected with internal mold B section 18 by sliding rail 22.In the present embodiment, internal mold C section 19 is two with beam body center line symmetry in fact, and the steel band 190 with the band screw between two connects, and a position that only needs to adjust connecting bolt in the use can realize that two spacing regulates, thereby realizes the adjusting of integral width.
Before in the bed die in the bed die system upper end of suspender belt 12 can select according to actual needs with internal mold A section 17, internal mold B section 18, internal mold C section 19 in a certain section be connected, connected internal mold part will be provided with corresponding pin-and-hole.In the present embodiment, the upper end of preceding suspender belt 12 is to be connected on the internal mold A section 17 in the bed die.
As shown in the figure, anchor system comprise back strap 9, side template in the anchor pole 1, shoulder pole girder 2, self-locking jack 3, bed die to lacing wire 23, wherein anchor pole 1, shoulder pole girder 2, the 3 common supporting uses of self-locking jack, anchor pole 1 also can use separately.By aforementioned content as can be known, the anchor object of anchor system comprises outer sliding beam 4, internal mold A section 17, internal mold B section 18, internal mold C section 19, side form C section 13 and bed die system.
The outer sliding beam 4, walking rails 15, travelling wheel that walking system comprises the external side of beam is to 7 and the sliding rail 22 of beam body inboard.Outer sliding beam 4 leading portions penetrate in the side form A section 16, the back segment cross sectional shape is consistent with the beam body, the shape that is back segment one side matches with the shape of the corresponding side of beam body, so that slide the beam back segment outward and become the beam section closely connected, the outside of sliding beam 4 can be provided with the track 20 that supplies straddle truck 21 travelings outside simultaneously, the pin-and-hole that suspender belt 5 connected before the bottom of outer sliding beam 4 was provided with and supplies outside the outer back strap 6 of bed die, the bed die, the below of sliding beam 3 outward is provided with walking rails 15.Walking rails 15 is separately positioned on side form A section 16 and the outer sliding beam 4, and two sections tracks are wanted straight connection during traveling.Travelling wheel is arranged on the side form C section 13 7.Sliding rail 22 is separately positioned on internal mold B section 18, the internal mold C section 19, and internal mold B section 18, internal mold C section 19 are slided relative to one another.
Lift-on/Lift-off System is used for lifting the good cage of reinforcement of colligation in advance, can be provided with according to the bridge location concrete condition.Should preferentially adopt lifting under the bridge under possessing bridge during the lifting condition, can adopt mobile crane this moment; When not possessing under the bridge lifting condition, can slide beam 4 and side form A section 16 arranged outside straddle truck tracks 20 outside, bridge floor is provided for lifting the straddle truck 21 of cage of reinforcement, the cloth when this straddle truck 21 can be used for concreting simultaneously.
Shown in Fig. 5 A to Figure 11 B, the job practices of the Hanging Basket that is used for the construction of bridge cantilever pouring that the utility model proposes may further comprise the steps:
S1, concreting, maintenance, the demoulding, prestressed reinforcement of tensioning is shown in Fig. 5 A, Fig. 5 B;
Next beam fragment position is walked to walk to by S2, side form system and bed die system, and is fixing, shown in Fig. 6 A to Fig. 9 B;
S3, the good cage of reinforcement of lifting colligation in advance connect bellows, longitudinal reinforcement, and the sawtooth template is installed;
S4, inner formwork system walk to walk to next beam fragment position, fixing, shown in Figure 10 A to Figure 11 B;
S5, adjustment side form system, bed die system, inner formwork system, fixation side modular system, bed die system, inner formwork system once more;
Repeat abovementioned steps and can finish cradle construction.
In conjunction with the description of aforementioned cradle structure as can be known, during the lifting condition, step S3 adopts lifting mode under the bridge under possessing bridge; When not possessing under the bridge lifting condition, step S3 is the straddle truck 21 that is provided for lifting cage of reinforcement at bridge floor, utilizes the good cage of reinforcement of straddle truck 21 lifting colligations in advance, the cloth when this straddle truck 21 can also be used for concreting.
Preferably, the outer sliding beam 4, walking rails 15, travelling wheel that walking system comprises the external side of beam is to 7 and sliding rail 22, wherein, described outer sliding beam 4 is hung at the below of beam body frange plate, described walking rails 15 and travelling wheel are located at the outer below of sliding beam 4 to 7, move with the traveling that realizes side form system and bed die system; Sliding rail 22 is located at beam body inboard, is used to realize that the traveling of inner formwork system moves.
In conjunction with the specific embodiment of Hanging Basket shown in Fig. 2 A～Fig. 2 C, be described in further detail the job practices of correspondence as follows:
S1, concreting, maintenance, the demoulding, prestressed reinforcement of tensioning is shown in Fig. 5 A, Fig. 5 B;
Next beam fragment position is walked to walk to by S2, side form system and bed die system, and fixing, this step S2 specifically comprises:
S21, the side form demoulding: remove the outer preceding suspender belt 5 of bed die, the outer back strap 6 of bed die, remove side form B section 14; Side form C section 13 supports by side form bracket 8, and by lacing wire 23 is connect with becoming the beam section; Side form A section 16 is seated on the outer sliding beam 4, and by travelling wheel to 7, walking rails 15 connects with side form C section, shown in Fig. 6 A, Fig. 6 B;
S22, separate except anchor pole 1 on the sliding beam 4, shoulder pole girder 2, self-locking jack 3, outer sliding beam 4 and side form A section 16 are linked to be integral body, and utilize the travelling wheel on walking rails 15 and side form C section top that 7 integral body are walked to walk to next beam fragment position, skyhook 1, shoulder pole girder 2, self-locking jack 3 then, the sliding outward beam 4 of anchoring is shown in Fig. 7 A, Fig. 7 B;
Joist 11, back joist 10 are hung on side form bracket 8 before S23, the bed die, back strap 9 in suspender belt 12, the bed die before removing in the bed die, bed die system and side form C section 13 integral body by travelling wheel to 7, walking rails 15 is hung on the outer sliding beam 4, shown in Fig. 8 A, Fig. 8 B;
S24, bed die system and side form C section 13 integral body walk to walk to next beam fragment position, sliding beam 4 and side form A section 16 is connected except separating, back strap 9 in side form B section 14, the outer preceding suspender belt 5 of bed die, the outer back strap 6 of bed die, the bed die is installed, side form system and the walking of bed die system finish, shown in Fig. 9 A, Fig. 9 B;
S25, adjustment, fixedly bed die system and side form system.
S3, the good cage of reinforcement of lifting colligation in advance connect bellows, longitudinal reinforcement, and the sawtooth template is installed;
S4, inner formwork system walk to walk to next beam fragment position, fixing, specifically can comprise:
S41, the relevant anchor pole of releasing, 17 rotations of internal mold A section are unclamped;
S42, internal mold A section 17 and internal mold B section 18 integral body walk to walk to next beam fragment position, and relevant anchor pole is installed;
S43, the relevant anchor pole of releasing fall internal mold C section 19, and walk to walk to next beam fragment position, and relevant anchor pole is installed;
Suspender belt 12 before in S44, the installation bed die.
Can adjust afterwards and fixedly bed die system, side form system and inner formwork system once more; And install and adjust the general structure of internal mold.Repeat above-mentioned steps and can finish the construction of predetermined beam section.
Among this embodiment of the job practices of this Hanging Basket, the upper end of preceding suspender belt 12 is connected with internal mold A section 17 in the bed die, and connected internal mold A section 17 is provided with corresponding pin-and-hole.
In the construction stage, side form A section 16 and side form C section 13 are linked to be integral body by side form B section 14, keeping necessary integral rigidity, and need remove side form B section 14 in the suspended basket stage so that side form A section 16 and side form C section 13 respectively traveling move.
In the construction stage (referring to reinforcing bar lifting, concreting, prestressed reinforcement stretch-draw), side form C section 13 rear ends are used lacing wire 23 anchorings with becoming the beam section.
In the present embodiment, the effect of the construction state of the former bridge floor support of existing Hanging Basket is tilting by preceding suspender belt 6 outside preceding suspender belt 5, the bed die in the bed die, be connected with outer sliding beam, internal mold A section 17 (or internal mold B section 18, internal mold C section 19), and sliding outward beam 4 and each section of internal mold by anchor pole 1, shoulder pole girder 2, self-locking jack 3 with become beam section connection realization; The effect of walking state by outer sliding beam 4, walking rails 15, travelling wheel to 7 and the sliding rail 22 of beam body inboard, and side form A section 16, side form B section 14, side form C section 13 and internal mold A section 17, internal mold B section 18,19 sections common realizations of internal mold C section, thereby make Hanging Basket of the present utility model not only can satisfy the function of use requirement of Hanging Basket, and solved the problem that reinforcing bar binding when adopting existing Hanging Basket takies the cantilever pouring activity time, shortened the cycle period of cantilever pouring construction, bigger effect has been arranged accelerating bridge construction speed; And, utilize cradle structure of the present utility model, owing to cancelled the bridge floor support, alleviated the Hanging Basket overall weight, saved cost, simultaneously, the Hanging Basket overall weight alleviates, and helps the linear control of bridge, and is especially significant to Longspan Bridge.
Though the utility model discloses with specific embodiment; but it is not in order to limit the utility model; any those skilled in the art can carry out the displacement of equivalent assemblies or carry out the combination of selecting for use of some technical characterictic fully according to aforementioned content under the prerequisite that does not break away from design of the present utility model and scope; or carrying out certain equivalent variations and modification according to the utility model scope of patent protection, these all should still belong to the category that this patent is contained.
Claims (11)
1. one kind is used for the Hanging Basket that the bridge cantilever pouring is constructed, it is characterized in that this Hanging Basket comprises bed die system, side form system, inner formwork system, anchor system, be used for walking system that suspended basket moves and the Lift-on/Lift-off System that is used for lifting the good cage of reinforcement of colligation in advance; Described bed die system, side form system, inner formwork system are anchored to become on the beam section by described anchor system, form the open type cradle structure of no bridge floor support.
2. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 1 is characterized in that described Lift-on/Lift-off System adopts the straddle truck (21) that the lifting mode lifts cage of reinforcement or is provided with at bridge floor under the bridge.
3. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 1, it is characterized in that, described walking system comprises that the outer sliding beam (4), walking rails (15), travelling wheel of the external side of beam are to (7) and sliding rail (22), wherein, described outer sliding beam (4) is hung at the below of beam body frange plate, and described walking rails (15) and travelling wheel are located at the below of outer sliding beam (4) to (7); Described sliding rail (22) is located at beam body inboard.
4. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 3, it is characterized in that, before described bed die system comprises in joist (11) before joist (10) behind bed die panel, bed die longeron (101), the bed die, the bed die, the bed die in back strap (9), the bed die suspender belt (12), the outer back strap (6) of bed die and bed die outer before suspender belt (5), wherein, described bed die panel directly contacts with concrete, is supported by bed die longeron (101) below; Bed die longeron (101) two ends by bed die after before the joist (10), bed die joist (11) support; Joist behind the bed die (10) is supported by back strap (6) outside back strap in the bed die (9), the bed die, and joist (11) is supported by preceding suspender belt (12), the outer preceding suspender belt (5) of bed die in the bed die before the bed die; The outer back strap (6) of bed die, the outer preceding suspender belt (5) of bed die are positioned at the external side of beam, and are connected with outer sliding beam (4); Back strap (9), the interior preceding suspender belt (12) of bed die are positioned at beam body inboard in the bed die, and back strap (9) directly is anchored to have become on the beam section base plate in the bed die, and suspender belt (12) was connected to inner formwork system before bed die was interior.
5. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 4, it is characterized in that, described side form system comprises side form A section (16), side form B section (14) and side form C section (13), wherein, side form A section (16) is meant corresponding beam body frange plate and side form following, that walking rails (15) is above, and its below is provided with suspended basket walking rails (15); Side form C section (13) is the main template of beam body web, side form C section (13) rear and front end is provided with drawing and pressing type side form bracket (8), behind side form bracket (8) and the bed die before joist (10), the bed die joist (11) is connected, side form C section (13) top is provided with suspended basket with taking turns (7); Side form B section (14) is the changeover portion that connects side form A section (16) and side form C section (13).
6. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 5, it is characterized in that, described inner formwork system comprises internal mold A section (17), internal mold B section (18) and the internal mold C section (19) that can regulate width, wherein, the template of inboard top board of described internal mold A section (17) fingerboard body and web intersection, this section template can be provided with rotatably; Internal mold B section (18) is the standard paragraphs internal mold that adjusting and rotating stripping demoulding function were fixed, do not had to structure, and the one side is connected with internal mold A section (17), and opposite side is connected with internal mold C section (19) by sliding rail (22).
7. the Hanging Basket that is used for bridge cantilever pouring construction as claimed in claim 6 is characterized in that, internal mold A section (17) one sides be connected with internal mold B section (18) by cutting with scissors (170), movable screw mandrel or hydraulic jack (171).
8. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 7, it is characterized in that, one section before in the described bed die in the upper end of suspender belt (12) and internal mold A section (17), internal mold B section (18), the internal mold C section (19) is connected, and connected internal mold is provided with corresponding pin-and-hole.
9. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 8, it is characterized in that, described anchor system comprises shoulder pole girder (2), anchor pole (1), self-locking jack (3), back strap (9) in the bed die, suspender belt (12) before in the bed die, the outer back strap (6) of bed die, suspender belt (5) and side template to lacing wire (23) before bed die is outer, shoulder pole girder (2) wherein, anchor pole (1), self-locking jack (3) supporting use on bridge floor, the anchor object of anchor system comprise outer sliding beam (4), internal mold A section (17), internal mold B section (18), internal mold C section (19), side form C section (13) and bed die system.
10. the Hanging Basket that is used for the construction of bridge cantilever pouring as claimed in claim 9, it is characterized in that, described outer sliding beam (4) leading portion penetrates in the side form A section (16), back segment cross sectional shape and beam body cooperate, and the bottom is provided with walking rails (15) and the pin-and-hole that is connected for the outer back strap (6) of bed die, the outer preceding suspender belt (5) of bed die; Walking rails (15) is separately positioned on side form A section (16) and the outer sliding beam (4), two sections straight connections of track during traveling; Travelling wheel is arranged on the side form C section (13) (7), and sliding rail (22) is separately positioned on internal mold B section (18), the internal mold C section (19), and described internal mold B section (18), internal mold C section (19) can be provided with sliding relative to one another.
11. as each described Hanging Basket that is used for the construction of bridge cantilever pouring of claim 3 to 10, it is characterized in that, described outer sliding beam (4) and side form A section (16) arranged outside straddle truck track (20), bridge floor is provided for lifting the straddle truck (21) of cage of reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120106678XU CN202039300U (en) | 2011-04-12 | 2011-04-12 | Hanging bracket for bridge cantilever casting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120106678XU CN202039300U (en) | 2011-04-12 | 2011-04-12 | Hanging bracket for bridge cantilever casting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039300U true CN202039300U (en) | 2011-11-16 |
Family
ID=44966750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120106678XU Expired - Lifetime CN202039300U (en) | 2011-04-12 | 2011-04-12 | Hanging bracket for bridge cantilever casting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202039300U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199916A (en) * | 2011-04-12 | 2011-09-28 | 中铁三局集团有限公司 | Cradle for pouring bridge cantilever and construction method of cradle |
| CN109610323A (en) * | 2018-12-07 | 2019-04-12 | 江西集银科技有限公司 | A kind of bridge cantilever construction Hanging Basket equipment suspension system |
| CN111119072A (en) * | 2020-02-13 | 2020-05-08 | 中铁二十三局集团有限公司 | Staggered construction method for steps of high-pier bridge in mountainous area |
| CN114960466A (en) * | 2022-06-08 | 2022-08-30 | 河南三建建设集团有限公司 | Hanging basket demolding auxiliary device and operation method thereof |
-
2011
- 2011-04-12 CN CN201120106678XU patent/CN202039300U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199916A (en) * | 2011-04-12 | 2011-09-28 | 中铁三局集团有限公司 | Cradle for pouring bridge cantilever and construction method of cradle |
| CN109610323A (en) * | 2018-12-07 | 2019-04-12 | 江西集银科技有限公司 | A kind of bridge cantilever construction Hanging Basket equipment suspension system |
| CN111119072A (en) * | 2020-02-13 | 2020-05-08 | 中铁二十三局集团有限公司 | Staggered construction method for steps of high-pier bridge in mountainous area |
| CN114960466A (en) * | 2022-06-08 | 2022-08-30 | 河南三建建设集团有限公司 | Hanging basket demolding auxiliary device and operation method thereof |
| CN114960466B (en) * | 2022-06-08 | 2023-06-16 | 河南三建建设集团有限公司 | Auxiliary device for demolding hanging basket and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102199916B (en) | Cradle for pouring bridge cantilever and construction method of cradle | |
| CN201010860Y (en) | Downgoing movable mould base integral construction bridging machine | |
| CN101250856B (en) | Echelon cradle as well as construction method thereof | |
| CN102094392B (en) | Lower supported hanging basket in bridge construction and application thereof | |
| CN208815424U (en) | A kind of bridge descending hanging basket | |
| JPS6024247B2 (en) | Equipment for cantilevering a multi-span bridge structure made of reinforced concrete or prestressed concrete into sections. | |
| CN202039300U (en) | Hanging bracket for bridge cantilever casting construction | |
| CN109267490B (en) | Long guide beam type movable formwork and construction method thereof | |
| CN101324055A (en) | Lifting equipment and method of box girder integral steel reinforcement framework | |
| KR20150134694A (en) | Form traveler, and bridge construction method for using the same | |
| CN109989330B (en) | Continuous track and erection method thereof | |
| CN109267491B (en) | Movable formwork and construction method thereof | |
| CN111996916A (en) | Cast-in-place box girder integrated construction equipment and construction method thereof | |
| CN110424277A (en) | PC beam bridge Wavelike steel webplate hanging apparatus and construction method with low gantry crane | |
| CN107916622A (en) | A kind of large-tonnage Bridge Erector set a roof beam in place for Railway Tunnel mouth | |
| CN102605720B (en) | Integrated construction equipment for binding and lifting continuous beam steel reinforcement framework and construction method | |
| CN202658529U (en) | Device for integrally hoisting and molding prefabricated reinforced bars for fabricating girders of high-speed rails in situ | |
| CN114164772A (en) | Rhombic hanging basket for viaduct cantilever pouring construction and mounting method | |
| JPS59501465A (en) | Split casting equipment for prestressed concrete bridges using cantilever construction method | |
| CN107268455B (en) | Concrete girder gooseneck composite structure beam cradle construction method | |
| CN106906750B (en) | Multi-functional across the railway line swing bridge girder closing construction mould bases of one kind and its construction method | |
| CN201972099U (en) | Through type hanging basket in bridge construction | |
| CN207293909U (en) | A kind of precast beam reinforced bar skeleton hanging apparatus | |
| CN111042003A (en) | Construction method of cable-stayed bridge concrete beam combined hanging basket | |
| CN212077660U (en) | Large-span wide width bridge girder rhombus hanging basket construction structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111116 Effective date of abandoning: 20120829 |