CN109252446A - Steel box-girder longitudinal direction pushing closure constructing device and its construction method - Google Patents
Steel box-girder longitudinal direction pushing closure constructing device and its construction method Download PDFInfo
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- CN109252446A CN109252446A CN201810989772.0A CN201810989772A CN109252446A CN 109252446 A CN109252446 A CN 109252446A CN 201810989772 A CN201810989772 A CN 201810989772A CN 109252446 A CN109252446 A CN 109252446A
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- Prior art keywords
- girder
- steel box
- support
- launching nose
- boat
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
Abstract
The invention discloses a kind of steel box-girder longitudinal direction pushing closure constructing devices, including steel box-girder, steel box-girder front end is detachably connected with front launching nose, steel box-girder rear end is detachably connected with back launching nose, it further include the guide rail for being fixed on left bridge upper surface, guide rail is slidably connected with thrustor one end, and the thrustor other end is successively detachably hinged with steel box-girder and back launching nose lower end, and front launching nose is slidably matched with the front launching nose slip support abutment being fixed on right bridge.A kind of steel box-girder longitudinal direction pushing closure construction method, including 1) pushing tow is extremely abutted with front launching nose slip support abutment front launching nose for the first time;2) front launching nose and front launching nose slip support abutment, which are slidably matched, arrives at longitudinal predetermined position to steel box-girder;3) lateral position of steel box-girder is adjusted;4) hanging device is installed and is transferred and is fixed at steel box-girder to closure.The present invention pushes steel box-girder support to realize quickly longitudinal Forward using thrustor;Front launching nose slip support abutment can lateral adjustments steel box-girder lateral position, realize the precise positioning of steel box-girder.
Description
Technical field
The present invention relates to technical field of bridge construction, in particular to a kind of steel box-girder longitudinal direction pushing closure constructing device and its
Construction method.
Background technique
Steel box-girder closure section construction is on the water routinely transported to closure section below design position using cargo ship, then passes through bridge
Face loop wheel machine lifts closure section to realize.But cargo ship is influenced by sea situation environment, time-consuming for mobile and positioning, and cargo ship
Size is limited, and closure section is unsuitable too long, causes speed of application slow.
Summary of the invention
Present invention aim to overcome above-mentioned the shortcomings of the prior art, provide one kind can longitudinally quick pushing tow,
Pinpoint steel box-girder longitudinal direction pushing closure constructing device and its construction method.
To achieve the above object, the present invention provides a kind of steel box-girder longitudinal direction pushing closure constructing device, including left bridge, the right side
Bridge and steel box-girder, the steel box-girder front end are fixedly connected with front launching nose, the steel box-girder rear end and are arranged on left bridge
Back launching nose is fixedly connected, and the back launching nose upper end is fixedly installed with left bridge loop wheel machine, and right bridge upper end is fixedly connected with right bridge
Loop wheel machine, it is characterised in that: further include the guide rail for being fixed on left bridge upper surface, the guide rail and the sliding of thrustor one end connect
It connecing, the steel box-girder lower end is fixedly connected with multiple steel box-girder supports, and the back launching nose lower end is fixedly connected with back launching nose support,
The thrustor other end is successively removably hinged with steel box-girder support and back launching nose support, the front launching nose be fixed on
Front launching nose slip support abutment on right bridge is slidably matched.
Further, the thrustor includes counter-force seat and jack, and the jack front end and pushing tow are rowed the boat hingedly,
Rear end and counter-force seat are hinged, and the pushing tow other end of rowing the boat is successively removably hinged with steel box-girder support and back launching nose support,
The counter-force seat and the pushing tow, which are rowed the boat, to be slidably connected with guide rail.
Further, the guide rail is additionally provided with the support being slidably connected with guide rail by the rear end of thrustor and rows the boat, described
Support the other end of rowing the boat successively removably hinged with steel box-girder support and back launching nose support.
Further, multiple lateral pin holes are provided in the middle part of the guide rail, the pushing tow rows the boat and support the sliding rowed the boat to connect
The place of connecing is provided with multiple pin holes of rowing the boat, and the place of being slidably connected of the counter-force seat is provided with multiple counter-force seat pins hole.
Further, when the counter-force seat is with guide rail pin connection, the pushing tow, which is rowed the boat, and support is rowed the boat is slided with guide rail
Connection, jack are in pushing tow elongation state;When the counter-force seat and guide rail are slidably connected, the pushing tow is rowed the boat and support is rowed the boat
With guide rail pin connection, jack is in contraction state.
Further, the front launching nose slip support abutment includes pedestal, the fixed company of the base bottom and right bridge upper surface
It connects, the pedestal upper surface is equipped with the horizontal sliding support being slidably matched with pedestal, and horizontal sliding support upper end is hinged with
Straight skidding support, straight skidding support upper surface are slidably matched with front launching nose lower end surface.
Further, the pedestal upper surface is located at horizontal sliding support both lateral sides and is further fixed on cross-brace block, institute
It states horizontal sliding support side to abut with lateral jack, the transverse direction jack other side is abutted with cross-brace block;It is described
The horizontal sliding support other side is abutted with cushion block, and the cushion block other side is abutted with cross-brace block.
Further, the straight skidding support both lateral sides be equipped with cross spacing block, the front launching nose both lateral sides with
Cross spacing block abuts.
Further, the pedestal upper surface is located at horizontal sliding support longitudinal direction two sides and is further fixed on longitudinal spacing block, institute
Horizontal sliding support longitudinal direction two sides are stated to abut with longitudinal spacing block.
Further, the left bridge loop wheel machine and right bridge loop wheel machine lean on steel box-girder one end to be equipped with loop wheel machine jack, described to hang
Machine jack one end is fixed with lifting rope, and the lifting rope other end is connect with the suspender for being fixed at steel box-girder upper end.
Based on above-mentioned steel box-girder longitudinal direction pushing closure constructing device, the present invention provides a kind of steel box-girder longitudinal direction pushing closure and applies
Work method, which comprises the following steps:
1) steel box-girder both ends are fixedly connected with front launching nose and back launching nose respectively, and thrustor pushes steel box-girder forward end longitudinal
Mobile, pushing tow is rowed the boat and support is rowed the boat) follow steel box-girder to move forward together, when front launching nose front end across closure section and with it is leading
When beam slip support abutment abuts, the height for adjusting front launching nose front end falls in front launching nose on front launching nose slip support abutment.
2) thrustor continues to press on the movement of steel box-girder forward end, front launching nose sliding opposite with front launching nose slip support abutment, top
It pushes away and rows the boat and support the position rowed the boat to remain unchanged, steel box-girder arrives at longitudinal predetermined position.
3) after steel box-girder longitudinally moves to predetermined position, be placed exactly in across the surface for holding together mouth, lateral jack and
The lateral position that cushion block adjusts horizontal sliding support makes steel box-girder arrive at lateral predetermined position.
4) be fixedly mounted left bridge loop wheel machine, right bridge loop wheel machine and loop wheel machine jack, with lifting rope connection loop wheel machine jack and
Suspender simultaneously slightly slings steel box-girder;Then steel box-girder support is removed, and releases consolidating between front launching nose and back launching nose and steel box-girder
Fixed connection.
5) length of steel box-girder is accurately adjusted, loop wheel machine jack transfers steel box-girder to predetermined position, by steel box-girder both ends
It is fixed respectively with left bridge and right bridge.
Further, in the step 1) for the first time before pushing tow, pushing tow is rowed the boat, support hinged with front end steel box-girder support
It rows the boat hinged with the steel box-girder support of rearmost end.
Further, in the step 1) when each pushing tow of jack to maximal tensility, pushing tow is rowed the boat and support is rowed the boat
It is changed to pin connection with guide rail, counter-force seat is changed to be slidably connected with guide rail.
Further, in the step 2) after each pushing tow to maximum displacement of jack, pushing tow is rowed the boat successively and rearward
The adjacent steel box-girder support or back launching nose support at end are hinged.
The beneficial effects of the present invention are: realizing longitudinal quickly pushing tow, being accurately positioned.It is fixed with guide rail on left bridge,
Thrustor is slidably connected on guide rail and is rowed the boat, and being fixed in steel box-girder and back launching nose lower end can be with hinged steel box-girder of rowing the boat
Support and back launching nose support are rowed the boat using thrustor promotion and realize quickly longitudinal Forward with steel box-girder support;Before front launching nose
End arrive at front launching nose slip support abutment after, front launching nose slip support abutment can lateral adjustments front launching nose and steel box-girder lateral position, realize
The precise positioning of steel box-girder.
Detailed description of the invention
Fig. 1 is constructing device main view.
Fig. 2 is thrustor structural schematic diagram.
Fig. 3 be in Fig. 1 A to cross-sectional view.
Fig. 4 is that steel box-girder support and pushing tow are rowed the boat structural schematic diagram.
Fig. 5 be in Fig. 1 B to cross-sectional view.
Fig. 6 is front launching nose slip support abutment top view.
Fig. 7 is schematic diagram when steel box-girder starts mobile.
Fig. 8 is schematic diagram when front launching nose arrives at right bridge.
Fig. 9 is schematic diagram when steel box-girder longitudinal direction pushing tow is completed.
Figure 10 is schematic diagram when steel box-girder prepares decentralization closure.
Figure 11 is schematic diagram when steel box-girder decentralization closure is completed.
Each part numbers are as follows in figure: left bridge 1.1, right bridge 1.2, steel box-girder 2, steel box-girder support 2.1, carrier link
2.2, suspender 2.3, front launching nose 3, back launching nose 4, back launching nose support 4.1, back launching nose temporary support 4.2, guide rail 5, guide rail pin hole
5.1, pushing tow rows the boat 6.1, support is rowed the boat 6.2, pin hole 6.3 of rowing the boat, thrustor 7, counter-force seat 7.1, jack 7.2, counter-force seat
Pin hole 7.3, front launching nose slip support abutment 8, pedestal 8.1, straight skidding support 8.2, horizontal sliding support 8.3, lateral jack
8.4, cushion block 8.5, cross-brace block 8.6, longitudinal spacing block 8.7, cross spacing block 8.8, left bridge loop wheel machine 9, right bridge loop wheel machine
10, loop wheel machine jack 11, lifting rope 12, anchor 13.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing, convenient for more clearly understanding the present invention, but they
Limiting the invention.
As shown in figs. 1 to 6, a kind of steel box-girder longitudinal direction pushing closure constructing device, including left bridge 1.1,1.2 and of right bridge
Steel box-girder 2,2 front end of steel box-girder and front launching nose 3 weld, and 2 rear end of steel box-girder and back launching nose 4 weld, and 4 upper end of back launching nose passes through anchoring
Device 13 is fixedly installed with left bridge loop wheel machine 9, and there is right bridge loop wheel machine in right bridge (1.2) upper end by the fixed device of anchor 13
10, it further include the guide rail 5 for being fixed on left 1.1 upper surface of bridge, guide rail 5 and 7 one end of thrustor are slidably connected or detachably consolidate
Fixed connection, 2 lower end of steel box-girder, which is removably secured, is connected with two column steel box-girder supports 2.1, leads between two column steel box-girder supports 2.1
It crosses carrier link 2.2 to be fixedly connected, 4 lower end of back launching nose, which is removably secured, is connected with back launching nose support 4.1, and thrustor 7 is another
One end is successively detachably hinged with steel box-girder support 2.1 and 4.1 lower end of back launching nose support, front launching nose 3 and is fixed on right bridge 1.2
On front launching nose slip support abutment 8 be slidably matched.
In above-mentioned technical proposal, thrustor 7 includes counter-force seat 7.1 and jack 7.2,7.2 front end of jack and pushing tow
Row the boat 6.1 hingedly, rear end and counter-force seat 7.1 are hinged;Pushing tow row the boat 6.1 other ends successively with steel box-girder support 2.1 and back launching nose
Support 4.1 is detachable hinged, and counter-force seat 7.1 and pushing tow, which are rowed the boat, 6.1 to be slidably connected or be detachably fixed with guide rail 5 and connect.This
Sample, jack 7.2 is rowed the boat by pushing tow 6.1 pushes the steel box-girder 2, front launching nose 3 and 4 forward end of back launching nose mobile.
In above-mentioned technical proposal, guide rail 5 is additionally provided with by the rear end of thrustor 7 to be slidably connected with guide rail 5 or detachably consolidates
Surely the support connected rows the boat 6.2, and support 6.2 other ends of rowing the boat are successively detachable with steel box-girder support 2.1 and back launching nose support 4.1
Hingedly.In this way, when the front end of front launching nose 3 and before front launching nose slip support abutment 8 is slidably matched, support is rowed the boat and 6.2 can be drawn with pushing tow
Ship 6.1 supports steel box-girder 2, front launching nose 3 and back launching nose 4 together.
In above-mentioned technical proposal, be provided with multiple lateral pin holes 5.1 in the middle part of guide rail 5, pushing tow row the boat 6.1 and support row the boat 6.2
The place of being slidably connected be provided with multiple pin holes 6.3 of rowing the boat, the place of being slidably connected of counter-force seat 7.1 is provided with multiple counter-force seat pins hole 7.3, top
Push away and row the boat 6.1, support row the boat 6.2 and counter-force seat 7.1 with 5 pin joint of guide rail.In this way, working as steel box-girder 2, front launching nose 3 and back launching nose 4
Be pin connection between anti-support 7.1 and guide rail 5 when in by during pushing tow, and pushing tow row the boat 6.1 and support row the boat 6.2
To be slidably connected between guide rail 5, in this way when jack 7.2 is when pushing tow extends, steel box-girder 2, front launching nose 3 and back launching nose 4 are
It can be mobile relative to guide rail 5 and 7.1 forward end of counter-force seat;After the elongation of jack 7.2 is to maximum position, anti-support 7.1 with lead
Between rail 5 release pin connection be slidably connected, while make pushing tow row the boat 6.1 and support row the boat be changed between 6.2 and guide rail 5 pin company
Connect, when jack 7.2 is in contraction process, counter-force seat 7.1 can be mobile relative to steel box-girder 2 and 5 forward end of guide rail, then again according to
This circulation carries out pushing tow next time.Thrustor 7 can continuously realize the longitudinal movement of steel box-girder 2 in this way.
In above-mentioned technical proposal, front launching nose slip support abutment 8 includes pedestal 8.1,8.1 bottom of pedestal and right 1.2 upper end of bridge
Face is fixedly connected, and 8.1 upper surface of pedestal is equipped with the horizontal sliding support 8.3 being slidably matched with pedestal 8.1, horizontal sliding support
8.3 upper ends are hinged with straight skidding support 8.2, and 8.2 upper surface of straight skidding support is slidably matched with 3 lower end surface of front launching nose.This
Sample, when front launching nose 3 moves forward and contacts with front launching nose slip support abutment 8, due to straight skidding support 8.2 and horizontal sliding support
8.3 is hinged, therefore straight skidding support 8.2 can turn an angle in perpendicular and be bonded with the lower end surface of front launching nose 3,
Play better supporting role.
In above-mentioned technical proposal, 8.1 upper surface of pedestal is located at 8.3 both lateral sides of horizontal sliding support and is further fixed on lateral branch
Bracer 8.6,8.3 side of horizontal sliding support are abutted with lateral jack 8.4, lateral 8.4 other side of jack and cross-brace
Block 8.6 abuts;8.3 other side of horizontal sliding support is abutted with cushion block 8.5, and 8.5 other side of cushion block is supported with cross-brace block 8.6
It connects.8.2 both lateral sides of straight skidding support be equipped with cross spacing block 8.8,3 both lateral sides of front launching nose with cross spacing block 8.8;
Abutting 8.1 upper surface of pedestal is located at the longitudinal two sides of horizontal sliding support 8.3 and is further fixed on longitudinal spacing block 8.7, horizontal sliding branch
The longitudinal two sides of seat 8.3 are abutted with longitudinal spacing block 8.7.In this way, since its lateral position is not during by pushing tow for front launching nose 3
Controllably, the lateral position of steel box-girder 2 is caused to be difficult to adjust in design position by lateral jack 8.4 and the cooperation of cushion block 8.5
The lateral position of front launching nose 3 and steel box-girder 2 is saved, while longitudinal spacing block 8.7 is set and limits straight skidding support 8.2 and laterally slides
It moves support 8.3 and length travel occurs due to by the sliding friction of front launching nose 3.
In above-mentioned technical proposal, left bridge loop wheel machine 9 and right bridge loop wheel machine 10 lean on 2 one end of steel box-girder to be equipped with loop wheel machine jack
11,11 one end of loop wheel machine jack is fixed with lifting rope 12,12 other end of lifting rope and the suspender 2.3 for being fixed at 2 upper end of steel box-girder
Connection.
In above-mentioned technical proposal, after steel box-girder 2 arrives at longitudinal predetermined position, the fixed peace between back launching nose 4 and guide rail 5
Equipped with back launching nose temporary support 42.
The construction method of steel box-girder longitudinal direction pushing closure constructing device of the present invention is as follows:
As shown in fig. 7, front launching nose is also located at the top of left bridge, the steel that pushing tow is rowed the boat with front end when construction starts
Box beam support is hinged, and support rows the boat and leans on the steel box-girder support of rear end hinged, and pushing tow is rowed the boat and support is rowed the boat, and bottom is slided with guide rail
Dynamic connection, and counter-force seat is fixedly connected with guide rail by pin.When jack constantly extends pushing tow, steel box-girder, front launching nose and after
Nose girder can be moved a certain distance relative to guide rail and counter-force seat forward end;When jack is in maximal tensility, pushing tow is drawn
Ship and support bottom of rowing the boat are fixedly connected with guide rail by pin, and counter-force seat is changed to be slidably connected with guide rail, when jack is continuous
When contraction, counter-force seat is moved a certain distance relative to guide rail and steel box-girder forward end.In this way, during a pushing tow, steel case
Beam and the equal forward end of thrustor move a certain distance.Pushing tow process is constantly recycled according to this.
As shown in figure 8, coming when front launching nose is advanced to and is in contact with front launching nose slip support abutment first with vertical jack
Leading depth of beam is adjusted, falls in front launching nose lower end surface on front launching nose slip support abutment, front launching nose can be in front launching nose slip support abutment
Upper opposite longitudinal sliding motion, when jack constantly extends pushing tow, pushing tow is rowed the boat and support is rowed the boat, and bottom is slidably connected with guide rail, and
Counter-force seat is fixedly connected with guide rail by pin, when jack is in maximal tensility, is released pushing tow and is rowed the boat and front end steel case
Beam support it is hinged, pushing tow is rowed the boat while jack is shunk and support is rowed the boat constantly mobile to the back-end, then pushing tow is made to row the boat
It is hinged with the adjacent steel box-girder support by rear end, then repeat above-mentioned pushing tow process.
As shown in figure 9, when steel box-girder longitudinally moves forward to design position, steel box-girder be placed exactly in across hold together mouth just on
Side, pushing tow is rowed the boat at this time and support is rowed the boat hinged with back launching nose support, and lateral cunning is adjusted by lateral jack and cushion block
The lateral position of support and straight skidding support is moved, to have adjusted the lateral position of front launching nose and steel box-girder to design position.
As shown in Figure 10~11, after the completion of the incremental launching construction of steel box-girder longitudinal direction, respectively in back launching nose and right bridge upper end anchor
It is fixedly mounted with to set and left bridge loop wheel machine and right bridge loop wheel machine is installed, then installed in left bridge loop wheel machine and right bridge loop wheel machine by closure section side
One end of lifting rope is fixed on loop wheel machine jack by loop wheel machine jack, and the other end is fixedly connected with the suspender at both ends on steel box-girder,
Then starting loop wheel machine jack slings steel box-girder slightly, removes the steel box-girder support of steel box-girder lower end, and interim with back launching nose
Back launching nose is fixedly supported on guide rail by support, then cuts off the welding of front launching nose and back launching nose and steel box-girder, and cuts off steel case
The surplus of beam both ends length dimension matches steel box-girder length with closure segment length just, finally by loop wheel machine jack by steel case
Beam is transferred to closure position, and steel box-girder both ends are weldingly fixed on left bridge and right bridge, and the closure for completing steel box-girder is applied
Work.
Claims (14)
1. a kind of steel box-girder longitudinal direction pushing closure constructing device, including left bridge (1.1), right bridge (1.2) and steel box-girder (2),
Steel box-girder (2) front end is fixedly connected with front launching nose (3), and steel box-girder (2) rear end and setting are on left bridge (1.1)
Back launching nose (4) is fixedly connected, and back launching nose (4) upper end is fixedly installed with left bridge loop wheel machine (9), and right bridge (1.2) upper end is solid
Surely it is connected with right bridge loop wheel machine (10), it is characterised in that: it further include the guide rail (5) for being fixed on left bridge (1.1) upper surface, it is described
Guide rail (5) is slidably connected with thrustor (7) one end, and steel box-girder (2) lower end is fixedly connected with multiple steel box-girder supports
(2.1), back launching nose (4) lower end is fixedly connected with back launching nose support (4.1), thrustor (7) other end successively with
Steel box-girder support (2.1) and back launching nose support (4.1) are removably hinged, the front launching nose (3) and are fixed on right bridge (1.2)
On front launching nose slip support abutment (8) be slidably matched.
2. steel box-girder longitudinal direction pushing closure constructing device according to claim 1, it is characterised in that: the thrustor
(7) include counter-force seat (7.1) and jack (7.2), jack (7.2) front end and pushing tow row the boat (6.1) hingedly, rear end with
Counter-force seat (7.1) hingedly, the pushing tow row the boat (6.1) other end successively with steel box-girder support (2.1) and back launching nose support (4.1)
It is detachable hinged, the counter-force seat (7.1) and the pushing tow row the boat (6.1) be slidably connected with guide rail (5).
3. steel box-girder longitudinal direction pushing closure constructing device according to claim 2, it is characterised in that: the guide rail (5) is leaned on
The rear end of thrustor (7) is additionally provided with the support being slidably connected with guide rail (5) and rows the boat (6.2), the support row the boat (6.2) it is another
End is successively detachable hinged with steel box-girder support (2.1) and back launching nose support (4.1).
4. steel box-girder longitudinal direction pushing closure constructing device according to claim 2, it is characterised in that: in the guide rail (5)
Portion is provided with multiple lateral pin holes (5.1), and the place of being slidably connected that the pushing tow is rowed the boat (6.1) and support is rowed the boat (6.2) is provided with multiple
It rows the boat pin hole (6.3), the place of being slidably connected of the counter-force seat (7.1) is provided with multiple counter-force seat pins hole (7.3).
5. steel box-girder longitudinal direction pushing closure constructing device according to claim 4, it is characterised in that: the counter-force seat
(7.1) with guide rail (5) pin connection when, the pushing tow is rowed the boat (6.1) and support is rowed the boat, and (6.2) are slidably connected with guide rail (5), and thousand
Jin top (7.2) is in pushing tow elongation state;When the counter-force seat (7.1) and guide rail (5) are slidably connected, the pushing tow is rowed the boat
(6.1) and support rows the boat (6.2) with guide rail (5) pin connection, and jack (7.2) is in contraction state.
6. steel box-girder longitudinal direction pushing closure constructing device according to claim 1, it is characterised in that: the front launching nose sliding
Support (8) includes pedestal (8.1), and pedestal (8.1) bottom is fixedly connected with right bridge (1.2) upper surface, the pedestal
(8.1) upper surface is equipped with the horizontal sliding support (8.3) that is slidably matched with pedestal (8.1), on the horizontal sliding support (8.3)
End is hinged with straight skidding support (8.2), and straight skidding support (8.2) upper surface is matched with the sliding of front launching nose (3) lower end surface
It closes.
7. steel box-girder longitudinal direction pushing closure constructing device according to claim 6, it is characterised in that: the pedestal (8.1)
Upper surface is located at horizontal sliding support (8.3) both lateral sides and is further fixed on cross-brace block (8.6), the horizontal sliding support
(8.3) side is abutted with lateral jack (8.4), and transverse direction jack (8.4) other side is supported with cross-brace block (8.6)
It connects;Horizontal sliding support (8.3) other side is abutted with cushion block (8.5), cushion block (8.5) other side and cross-brace block
(8.6) it abuts.
8. steel box-girder longitudinal direction pushing closure constructing device according to claim 6, it is characterised in that: the straight skidding branch
Seat (8.2) both lateral sides are equipped with cross spacing block (8.8), and front launching nose (3) both lateral sides are supported with cross spacing block (8.8)
It connects.
9. steel box-girder longitudinal direction pushing closure constructing device according to claim 6, it is characterised in that: the pedestal (8.1)
Upper surface is located at the longitudinal two sides of horizontal sliding support (8.3) and is further fixed on longitudinal spacing block (8.7), the horizontal sliding support
(8.3) longitudinal two sides are abutted with longitudinal spacing block (8.7).
10. steel box-girder longitudinal direction pushing closure constructing device according to claim 1, it is characterised in that: the left bridge is hung
Machine (9) and the right bridge loop wheel machine (10) lean on steel box-girder (2) one end to be equipped with loop wheel machine jack (11), the loop wheel machine jack (11)
One end is fixed with lifting rope (12), and lifting rope (12) other end connects with the suspender (2.3) for being fixed at steel box-girder (2) upper end
It connects.
11. a kind of steel box-girder longitudinal direction pushing closure construction method, which comprises the following steps:
1) steel box-girder (2) both ends are fixedly connected with front launching nose (3) and back launching nose (4) respectively, and thrustor (7) pushes steel box-girder
(2) forward end vertically moves, and pushing tow is rowed the boat (6.1) and support is rowed the boat, and (6.2) follow steel box-girder (2) to move forward together, currently
Nose girder (3) front end with front launching nose slip support abutment (8) across closure section and when abutting, before the height of adjusting front launching nose (3) front end makes
Nose girder (3) is fallen on front launching nose slip support abutment (8).
2) thrustor (7) continues to press on the movement of steel box-girder (2) forward end, and front launching nose (3) and front launching nose slip support abutment (8) are opposite
Sliding, the position that pushing tow is rowed the boat (6.1) and support is rowed the boat (6.2) remain unchanged, and steel box-girder (2) arrives at longitudinal predetermined position.
3) after steel box-girder (2) longitudinally moves to predetermined position, be placed exactly in across the surface for holding together mouth, lateral jack
(8.4) and the lateral position of cushion block (8.5) adjusting horizontal sliding support (8.3) makes steel box-girder (2) to arrive at lateral predetermined position.
4) left bridge loop wheel machine (9), right bridge loop wheel machine (10) and loop wheel machine jack (11) is fixedly mounted, connects loop wheel machine with lifting rope (12)
Jack (11) and suspender (2.3) simultaneously slightly sling steel box-girder (2);Then steel box-girder support (2.1) are removed, and releases front launching nose
(3) being fixedly connected between back launching nose (4) and steel box-girder (2).
5) length of steel box-girder (2) is accurately adjusted, loop wheel machine jack (11) transfers steel box-girder (2) to predetermined position, by steel case
Beam (2) both ends are fixed with left bridge (1.1) and right bridge (1.2) respectively.
12. steel box-girder longitudinal direction pushing closure construction method according to claim 11, it is characterised in that: in the step 1)
For the first time before pushing tow, pushing tow rows the boat (6.1) and front end steel box-girder support (2.1) hingedly, and support is rowed the boat (6.2) and rearmost end
Steel box-girder support (2.1) is hinged.
13. steel box-girder longitudinal direction pushing closure construction method according to claim 11, it is characterised in that: in the step 1)
Jack (7.2) every time pushing tow to maximal tensility when, pushing tow is rowed the boat (6.1) and support is rowed the boat (6.2) and guide rail (5) is changed to pin
Connection, counter-force seat (7.1) are changed to be slidably connected with guide rail (5).
14. steel box-girder longitudinal direction pushing closure construction method according to claim 11, it is characterised in that: in the step 2)
Jack (7.2) is every time after pushing tow to maximum displacement, pushing tow row the boat (6.1) successively with the adjacent steel box-girder support that leans on rear end
(2.1) or back launching nose support (4.1) is hinged.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109868749A (en) * | 2019-03-15 | 2019-06-11 | 中铁大桥局集团有限公司 | A kind of steel truss girder hole-specifically sets up closure mouth wind-resistance locking device and application method |
CN110616636A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure |
CN110616635A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition |
CN111676826A (en) * | 2020-06-23 | 2020-09-18 | 青岛同创旷远企业发展有限公司 | Urban overhead construction system and integration method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4306040A1 (en) * | 1993-02-26 | 1994-09-01 | Walter Dipl Ing Komm | Method and device for transverse displacement of bridge construction elements produced with a camber |
DE10046681A1 (en) * | 2000-09-21 | 2002-04-25 | Bilfinger Berger Ag | Construction method for bridge superstructure with bridge plates constructed off-site moved over installed plates and suspended from crane trolley to be lowered into place |
CN101195987A (en) * | 2007-12-27 | 2008-06-11 | 中交第二航务工程局有限公司 | Stayed-cable bridge midspan incremental launching auxiliary closure technique and beam segment pulling and shifting composite set |
CN101644030A (en) * | 2007-12-27 | 2010-02-10 | 中交第二航务工程局有限公司 | Beam section pulling, shifting and combining device used for spanning and pushing auxiliary closure in cable stayed bridge |
CN203475316U (en) * | 2013-08-12 | 2014-03-12 | 中交第二航务工程局有限公司 | Steel box beam auxiliary closuring longitudinally ejecting device |
CN104929054A (en) * | 2015-06-03 | 2015-09-23 | 中交第二航务工程局有限公司 | Method for rapid closure and position adjustment of steel trussed cable-stayed bridge |
CN107354875A (en) * | 2017-09-06 | 2017-11-17 | 中国建筑第五工程局有限公司 | A kind of straddle-type monorail Bridge Erector |
-
2018
- 2018-08-28 CN CN201810989772.0A patent/CN109252446B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4306040A1 (en) * | 1993-02-26 | 1994-09-01 | Walter Dipl Ing Komm | Method and device for transverse displacement of bridge construction elements produced with a camber |
DE10046681A1 (en) * | 2000-09-21 | 2002-04-25 | Bilfinger Berger Ag | Construction method for bridge superstructure with bridge plates constructed off-site moved over installed plates and suspended from crane trolley to be lowered into place |
CN101195987A (en) * | 2007-12-27 | 2008-06-11 | 中交第二航务工程局有限公司 | Stayed-cable bridge midspan incremental launching auxiliary closure technique and beam segment pulling and shifting composite set |
CN101644030A (en) * | 2007-12-27 | 2010-02-10 | 中交第二航务工程局有限公司 | Beam section pulling, shifting and combining device used for spanning and pushing auxiliary closure in cable stayed bridge |
CN203475316U (en) * | 2013-08-12 | 2014-03-12 | 中交第二航务工程局有限公司 | Steel box beam auxiliary closuring longitudinally ejecting device |
CN104929054A (en) * | 2015-06-03 | 2015-09-23 | 中交第二航务工程局有限公司 | Method for rapid closure and position adjustment of steel trussed cable-stayed bridge |
CN107354875A (en) * | 2017-09-06 | 2017-11-17 | 中国建筑第五工程局有限公司 | A kind of straddle-type monorail Bridge Erector |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109868749A (en) * | 2019-03-15 | 2019-06-11 | 中铁大桥局集团有限公司 | A kind of steel truss girder hole-specifically sets up closure mouth wind-resistance locking device and application method |
CN110616636A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure |
CN110616635A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition |
CN110616636B (en) * | 2019-08-12 | 2020-12-25 | 中交二航局第二工程有限公司 | Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure |
CN110616635B (en) * | 2019-08-12 | 2020-12-25 | 中交二航局第二工程有限公司 | Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition |
CN111676826A (en) * | 2020-06-23 | 2020-09-18 | 青岛同创旷远企业发展有限公司 | Urban overhead construction system and integration method |
CN111676826B (en) * | 2020-06-23 | 2021-09-14 | 青岛同创旷远企业发展有限公司 | Urban overhead construction system and integration method |
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