CN105463999B - A kind of Segmental assembling bridge-erecting machine and curve bridging method - Google Patents
A kind of Segmental assembling bridge-erecting machine and curve bridging method Download PDFInfo
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- CN105463999B CN105463999B CN201610008505.1A CN201610008505A CN105463999B CN 105463999 B CN105463999 B CN 105463999B CN 201610008505 A CN201610008505 A CN 201610008505A CN 105463999 B CN105463999 B CN 105463999B
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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
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Abstract
The present invention discloses a kind of Segmental assembling bridge-erecting machine and curve bridging method, and Segmental assembling bridge-erecting machine includes：Double main trusses are set a roof beam in place, front leg strut, rear support leg, supporting leg in first, supporting leg in second, forward and backward beam-hanging traveling crane, wherein, the front leg strut, rear support leg, supporting leg in first, supporting leg is connected on described pair of main truss set a roof beam in place with being arranged in order in second, is set a roof beam in place in described pair of main truss and cuts with scissors oscillating arm mechanisms by a level at supporting leg in described second and be connected, the horizontal rotation that oscillating arm mechanisms make described pair of main truss set a roof beam in place is cut with scissors by the level, go for curve bridge formation, with simple structure, the characteristics of low cost.
Description
Technical field
The present invention relates to equipment for bridge construction technical field, more particularly to a kind of Segmental assembling bridge-erecting machine and curve bridge formation side
Method.
Background technology
Bridge Erector has set up highway or railroad bridge very generally, the Bridge Erector for using both at home and abroad at present, is setting up letter
During strutbeam, hanging beam dolly is first laterally moved to two girder truss centre positions, and front and rear hanging beam dolly coordinates hanging beam, vertical shift to two abutments it
Between, then traversing Bridge Erector and hanging beam dolly fall beam to accurate location.
At present, more Bridge Erector is suitable only for straight line bridge formation, is built bridge to solve curve, and prior art proposes various
Method, especially in sweep smaller (such as R=600 meters (m)) and larger girder span on the bent bridge of (such as L=60m)
It is a great problem using section assembling type Bridge Erector cantilever assembly erection concrete boxlike beam.
For example, the Chinese patent of Publication No. CN204343173U discloses a kind of Segmental assembling bridge-erecting machine, by end supporting leg,
Weight mechanism assembly, middle supporting leg, hanging assembly, girder assembly composition；Middle supporting leg is by rotating disk mechanism, two middle supporting leg columns, middle branch
Leg entablature, middle supporting leg sill, middle supporting leg vertical shift mechanism, middle supporting leg transverse-moving mechanism, middle supporting leg lifting body, pull bar composition；
Hanging assembly is made up of hanging needle beam, hanging crossbeam, hanging transverse-moving mechanism, hanging vertical shift mechanism, guardrail etc.；In lifting body
Jacking cylinder is provided with mechanical lock；Suspender can realize 360 ° of rotations in jack machinism assembly.
Again for example, the Chinese patent of Publication No. CN104805773A also discloses a kind of section assembling of small curved bridge of constructing
Bridge Erector, at least including can automatically supporting leg in the girder of bending, rear support leg, front leg strut, at least one, the lifting day of broken line can be walked
Car and hanging, it is described can automatically bending girder include two parallel girder steels, without horizontal-associate between two girder steels, each girder steel is wrapped
Containing middle steel box-girder and the front launching nose and back launching nose positioned at steel box-girder both sides, it is described can the girder of bending automatically pass through bottom
Supporting leg is supported in rear support leg, front leg strut and between front and rear supporting leg at least one, it is described can bending automatically master
The top of beam is provided with the hoisting overhead travelling crane that can walk broken line of walking before and after can carrying out, it is described can the girder of bending automatically be additionally provided with multiple
Hanging.
But, the Bridge Erector that above-mentioned prior art is provided, although can solve the problems, such as curve bridge formation, but complex structure,
High cost.For this reason, it may be necessary to design the Bridge Erector built bridge suitable for curve of a kind of simple structure and low cost.
The content of the invention
It is an object of the invention to provide a kind of Segmental assembling bridge-erecting machine and curve bridging method, go for curve frame
Bridge, with simple structure, the characteristics of low cost.
An aspect of of the present present invention provides a kind of Segmental assembling bridge-erecting machine, wherein, including：Double main trusses are set a roof beam in place, front leg strut, rear branch
Leg, supporting leg in first, supporting leg in second, forward and backward beam-hanging traveling crane, wherein, the front leg strut, supporting leg in first, supporting leg in second,
Rear support leg is connected on described pair of main truss set a roof beam in place with being arranged in order, and described pair of main truss is set a roof beam in place and pass through one at supporting leg in described second
Level hinge oscillating arm mechanisms are connected, wherein,
The level hinge oscillating arm mechanisms include upper level hinge, lower level hinge, at least two push cylinder and at least two locks
Tight screw rod；
The upper level hinge is located on the top boom that described pair of main truss is set a roof beam in place, by rotational structure will block described in wind up
Bar links together；
The lower level cuts with scissors the bridging between the top boom and two lower booms set a roof beam in place positioned at described pair of main truss
Centre, two lower booms for blocking are connected by rotational structure, and outside the level of two lower booms for blocking
Side is also all connected with least one push cylinder and at least one tie down screw；
For rotational structure and with four connecting rods, each two connecting rod is connected and cut the lower level hinge respectively into scissor
Disconnected two lower booms, and two lower booms for blocking have certain distance in truncated position, by under described two
Push cylinder on wherein one lower boom of chord member stretch out with another lower boom push cylinder retract, and it is described on
Level is cut with scissors and the rotation of lower level hinge makes two lower booms horizontally rotate in respective truncated position, after rotation described in extremely
A few tie down screw fixes two lower booms.
It is preferred that the upper level hinge includes two rotatable connection terminations of the top boom truncated position and connection this two
Be rotatably connected the bearing pin of termination, wherein, one of rotatable connection termination includes upper horizontal otic placode and lower horizontal otic placode, it is described on
Horizontal otic placode and lower horizontal otic placode just pair and are provided with relative circular hole up and down, and two Circularhole diameters are essentially identical；Another
Rotatable connection termination includes middle horizontal otic placode, and the middle horizontal otic placode is also provided with a circular hole and its diameter and the upper horizontal ear
The Circularhole diameter of the Circularhole diameter of plate and lower horizontal otic placode is essentially identical, the middle horizontal otic placode insert the upper horizontal otic placode and
The centre of lower horizontal otic placode and respective circular hole is in vertical intercommunication, the bearing pin inserts three circular holes and the pin of the intercommunication
Axle passes through fixture anticreep.
It is preferred that the lower level hinge include bearing pin, into first group of two connecting rod of scissors shape and into scissors shape
Second group of two connecting rod, wherein, first group of two connecting rod connects two lower edges for blocking of the same side into scissor
Bar, second group of two connecting rod connects two lower booms for blocking of opposite side into scissor；
The junction of first group of two connecting rod is vertically provided with a circular hole, the junction of second group of two connecting rod
Vertically a circular hole is provided with, and its diameter is essentially identical with the Circularhole diameter of the junction of first group of two connecting rod；Described
The circular hole of one group of two circular hole of the junction of connecting rod and the junction of second group of two connecting rod it is vertical just to connecting when, institute
State bearing pin and insert the circular hole and the bearing pin of the connection by fixture anticreep.
It is preferred that the lower level hinge include bearing pin, into first group of two connecting rod of scissors shape and into scissors shape
Second group of two connecting rod, wherein, first group of two connecting rod connects two lower edges for blocking of the same side into scissor
Bar, second group of two connecting rod connects two lower booms for blocking of opposite side into scissor；
The junction of first group of two connecting rod include upper horizontal otic placode and lower horizontal otic placode, the upper horizontal otic placode and
Lower horizontal otic placode just pair and is provided with relative circular hole up and down, and two Circularhole diameters are essentially identical；Described second group two connects
The junction of bar includes middle horizontal otic placode, and the middle horizontal otic placode is also provided with a circular hole and its diameter and the upper horizontal otic placode
Circularhole diameter and lower horizontal otic placode Circularhole diameter it is essentially identical, the middle horizontal otic placode insert the upper horizontal otic placode and under
The centre of horizontal otic placode and respective circular hole insert three circular holes and the bearing pin of the intercommunication in vertical intercommunication, the bearing pin
By fixture anticreep.
Another aspect of the present invention provides a kind of curve bridging method of Segmental assembling bridge-erecting machine, wherein, the sections is spelled
Dress Bridge Erector includes that double main trusses are set a roof beam in place, front leg strut, rear support leg, supporting leg in first, supporting leg in second, forward and backward beam-hanging traveling crane, its
In, the front leg strut, supporting leg in first, supporting leg in second, rear support leg is connected on described pair of main truss set a roof beam in place with being arranged in order, institute
State double main trusses and set a roof beam in place and be connected by level hinge oscillating arm mechanisms at supporting leg in described second, wherein,
The level hinge oscillating arm mechanisms include upper level hinge, lower level hinge, at least two push cylinder and at least two locks
Tight screw rod；
The upper level hinge is located on the top boom that described pair of main truss is set a roof beam in place, by rotational structure will block described in wind up
Bar links together；
The lower level cuts with scissors the bridging between the top boom and two lower booms set a roof beam in place positioned at described pair of main truss
Centre, two lower booms for blocking are connected by rotational structure, and outside the level of two lower booms for blocking
Side is also all connected with least one push cylinder and at least one tie down screw；
For rotational structure and with four connecting rods, each two connecting rod is connected and cut the lower level hinge respectively into scissor
Disconnected two lower booms, and two lower booms for blocking have certain distance in truncated position, by under described two
Push cylinder on wherein one lower boom of chord member stretch out with another lower boom push cylinder retract, and it is described on
Level is cut with scissors and the rotation of lower level hinge makes two lower booms horizontally rotate in respective truncated position, after rotation described in extremely
A few tie down screw fixes two lower booms；
Methods described includes：
Step LS01：The Segmental assembling bridge-erecting machine frame is complete when via is prepared after previous hole beam, and the rear support leg Zhi Li is accurate
Standby supporting leg in described first is advanced on the pier top block of nearly square pier props up vertical；
Step LS02：In place, Zhi Li is simultaneously anchored for supporting leg reach in described first；The front leg strut reach, with the nearly side
Pier keeps default first distance, is that described pair of main truss the first distance of retrogressing of setting a roof beam in place is prepared；
Step LS03：The forward and backward beam-hanging traveling crane is advanced to described pair of main truss front end of setting a roof beam in place and works as ballast together, packs up described
Rear support leg makes described pair of main truss set a roof beam in place into back boom state, and described pair of main truss is set a roof beam in place retrogressing certain distance, level is cut with scissors swing arm machine
Supporting leg rear side is preset at second distance during structure is located at described second；
Step LS04：Back boom backswing makes described pair of main truss front and back end of setting a roof beam in place be aligned to linear state；
Step LS05：Double main trusses set a roof beam in place vertical shift via in place described in pushing tow；
Bu Sudden LS06：Pier is in place in front boom swing arm；Move to branch directly over another pier after the front leg strut to stand, Bridge Erector
Self-service installation pier side bracket, the front leg strut step that moves forward is vertical to branch on bracket, is set a roof beam in place operation to start a new round.
It is preferred that the upper level hinge includes two rotatable connection terminations of the top boom truncated position and connection this two
Be rotatably connected the bearing pin of termination, wherein, one of rotatable connection termination includes upper horizontal otic placode and lower horizontal otic placode, it is described on
Horizontal otic placode and lower horizontal otic placode just pair and are provided with relative circular hole up and down, and two Circularhole diameters are essentially identical；Another
Rotatable connection termination includes middle horizontal otic placode, and the middle horizontal otic placode is also provided with a circular hole and its diameter and the upper horizontal ear
The Circularhole diameter of the Circularhole diameter of plate and lower horizontal otic placode is essentially identical, the middle horizontal otic placode insert the upper horizontal otic placode and
The centre of lower horizontal otic placode and respective circular hole is in vertical intercommunication, the bearing pin inserts three circular holes and the pin of the intercommunication
Axle passes through fixture anticreep.
It is preferred that the lower level hinge include bearing pin, into first group of two connecting rod of scissors shape and into scissors shape
Second group of two connecting rod, wherein, first group of two connecting rod connects two lower edges for blocking of the same side into scissor
Bar, second group of two connecting rod connects two lower booms for blocking of opposite side into scissor；
The junction of first group of two connecting rod is vertically provided with a circular hole, the junction of second group of two connecting rod
Vertically a circular hole is provided with, and its diameter is essentially identical with the Circularhole diameter of the junction of first group of two connecting rod；Described
The circular hole of one group of two circular hole of the junction of connecting rod and the junction of second group of two connecting rod it is vertical just to connecting when, institute
State bearing pin and insert the circular hole and the bearing pin of the connection by fixture anticreep.
It is preferred that the lower level hinge include bearing pin, into first group of two connecting rod of scissors shape and into scissors shape
Second group of two connecting rod, wherein, first group of two connecting rod connects two lower edges for blocking of the same side into scissor
Bar, second group of two connecting rod connects two lower booms for blocking of opposite side into scissor；
The junction of first group of two connecting rod include upper horizontal otic placode and lower horizontal otic placode, the upper horizontal otic placode and
Lower horizontal otic placode just pair and is provided with relative circular hole up and down, and two Circularhole diameters are essentially identical；Described second group two connects
The junction of bar includes middle horizontal otic placode, and the middle horizontal otic placode is also provided with a circular hole and its diameter and the upper horizontal otic placode
Circularhole diameter and lower horizontal otic placode Circularhole diameter it is essentially identical, the middle horizontal otic placode insert the upper horizontal otic placode and under
The centre of horizontal otic placode and respective circular hole insert three circular holes and the bearing pin of the intercommunication in vertical intercommunication, the bearing pin
By fixture anticreep.
Segmental assembling bridge-erecting machine disclosed in various aspects of the present invention and excessively hole construction method, go for curve bridge formation,
With simple structure, the characteristics of low cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of Segmental assembling bridge-erecting machine of one embodiment of the invention；
Fig. 2 is the Segmental assembling bridge-erecting machine of described Fig. 1 along the cross section structure schematic diagram of A-A ' lines；
Fig. 3 is the Segmental assembling bridge-erecting machine of described Fig. 1 along the cross section structure schematic diagram of B-B ' lines；
Fig. 4 is the structural representation of the amplification at the Segmental assembling bridge-erecting machine M of described Fig. 1；
Fig. 5 is a kind of structural representation of level hinge oscillating arm mechanisms at the Segmental assembling bridge-erecting machine M of described Fig. 1；
Fig. 6 is the structural representation of another level hinge oscillating arm mechanisms at the Segmental assembling bridge-erecting machine M of described Fig. 1；
Fig. 7 is the structural representation when level of another embodiment of the present invention cuts with scissors oscillating arm mechanisms to right swing arm；
Fig. 8 be Fig. 7 described in level cut with scissors oscillating arm mechanisms to right swing arm when L to schematic diagram；
Fig. 9 cuts with scissors structural representation during oscillating arm mechanisms swing arm to the left for the level of another embodiment of the present invention；
Figure 10 be Fig. 9 described in level hinge oscillating arm mechanisms swing arm to the left when L to schematic diagram；
Figure 11~Figure 16 set a roof beam in place for a kind of section assembling type highway bridging machine of another embodiment of the present invention on curve
Various schematic diagrames during hole.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of structural representation of the Segmental assembling bridge-erecting machine for one embodiment of the invention, Fig. 2 is described
The Segmental assembling bridge-erecting machine of Fig. 1 along A-A ' lines cross section structure schematic diagram, Fig. 3 is the Segmental assembling bridge-erecting machine of described Fig. 1 along B-
The cross section structure schematic diagram of B ' lines, with reference to Fig. 1 to Fig. 3, the Segmental assembling bridge-erecting machine of the present embodiment includes：Double main trusses are set a roof beam in place (machine
Arm) 5, front leg strut 7, rear support leg 1, supporting leg 2 in first, supporting leg 6 in second, forward and backward beam-hanging traveling crane 4 turn round suspender 3, and beam block hangs
Extension system 13 and the grade part of hydraulic pushing vertical shift system 12.The front leg strut 7, rear support leg 1, supporting leg 2 in first, supporting leg in second
6 are connected to described pair of main truss with being arranged in order sets a roof beam in place on 5.
Wherein, the described pair of main truss is set a roof beam in place and 5 cuts with scissors oscillating arm mechanisms by a level in middle somewhere and be connected, for example, such as Fig. 1 institutes
In described second for showing at the M of supporting leg 6, wherein, the level hinge oscillating arm mechanisms be able to can be turned with resist torque, horizontal direction
It is dynamic.
As shown in figure 4, being the structural representation of the amplification at the Segmental assembling bridge-erecting machine M of described Fig. 1, as described in Figure 5, it is
A kind of level at the Segmental assembling bridge-erecting machine M of one embodiment of the invention cuts with scissors the structural representation of oscillating arm mechanisms, the level hinge
Oscillating arm mechanisms include upper level hinge 9, lower level hinge 8, at least two push cylinder 10 and at least two tie down screws 11；On described
Level hinge 9 be located at described pair of main truss set a roof beam in place 5 top boom 5-1 on, the top boom 5-1 that will be blocked by rotational structure is connected
Together；The lower level hinge 8 be located at described pair of main truss set a roof beam in place 5 the top boom 5-1 and two lower booms 5-2,5-2 ' it
Between bridging 5-3,5-3 ' centre, such as central point connects two lower boom 5-2 for blocking by rotational structure,
5-2 ', and the horizontal outer side of two lower booms 5-2,5-2 ' for blocking also is all connected with least one push cylinder
10 and at least one tie down screw 11；The lower level hinge 8 is rotational structure and with four connecting rods, each two connecting rod into
Scissor connects two lower booms 5-2, the 5-2 ' for blocking respectively, and two lower booms 5-2,5-2 ' for blocking cut
Disconnected place has certain distance, is stretched out by the push cylinder 10 on wherein one lower boom of two lower booms 5-2,5-2 '
Retracted with the push cylinder 10 on another lower boom, and the rotation of the upper level hinge 9 and lower level hinge 8 makes described two
Lower boom 5-2,5-2 ' horizontally rotate in respective truncated position, fix described by least one tie down screw 11 after rotation
Two lower booms 5-2,5-2 '.
The upper level hinge 9 includes this two rotations in two rotatable connection terminations of the top boom 5-1 truncated positions and connection
Turn the bearing pin 9-4 of connection end, wherein, one of rotatable connection termination includes upper horizontal otic placode 9-1 and lower horizontal otic placode 9-
2, the upper horizontal otic placode 9-1 and lower horizontal otic placode 9-2 just pair and are provided with relative circular hole, and two Circularhole diameter bases up and down
This is identical；Another rotatable connection termination include middle horizontal otic placode 9-3, the middle horizontal otic placode 9-3 be also provided with a circular hole and
Its diameter is essentially identical with the Circularhole diameter of the upper horizontal otic placode 9-1 and the Circularhole diameter of lower horizontal otic placode 9-2, the level
Otic placode 9-3 inserts the centre of the upper horizontal otic placode 9-1 and lower horizontal otic placode 9-2 and respective circular hole is in vertical intercommunication, described
Bearing pin 9-4 inserts three circular holes and the bearing pin 9-4 of the intercommunication by fixture anticreep, and the fixture can be spiral shell
It is female.
The lower level hinge 8 includes bearing pin 8-4, into first group of two connecting rod 8-5 of scissors shape and into scissors shape
Second group of two connecting rod 8-6, wherein, first group of two connecting rod 8-5 connects block described the two of the same side into scissor
Root lower boom 5-2,5-2 ', the two piece lower edges that blocks of the second group of two connecting rod 8-6 into scissor connection opposite side
Bar 5-2,5-2 '.
In another embodiment of the present invention, as shown in figure 5, the junction of first group of two connecting rod 8-5 is vertical
Be provided with a circular hole, the junction of second group of two connecting rod 8-6 is also vertically provided with a circular hole, and its diameter with described first group
The Circularhole diameter of the junction of two connecting rod 8-5 is essentially identical；The circular hole of the junction of first group of two connecting rod 8-5 and institute
State second group of two circular hole of the junction of connecting rod 8-6 it is vertical just to connection when, the bearing pin 8-4 inserts the circular hole of the connection
And the bearing pin 8-4, by fixture anticreep, the fixture can be nut.
In another embodiment of the present invention, as shown in fig. 6, for another level of another embodiment of the present invention cuts with scissors pendulum
The junction of arm mechanism structural representation, the junction of first group of two connecting rod 8-5 and second group of two connecting rod 8-6
Rotational structure can also be identical with the rotational structure of the upper level hinge 9, i.e., the junction of described first group of two connecting rod 8-5
Including upper horizontal otic placode 8-1 and lower horizontal otic placode 8-2, the upper horizontal otic placode 8-1 and lower horizontal otic placode 8-2 just pair and is opened up and down
There is relative circular hole, and two Circularhole diameters are essentially identical；The junction of second group of two connecting rod 8-6 includes middle level
Otic placode 8-3, the middle horizontal otic placode 8-3 are also provided with a circular hole and the Circularhole diameter of its diameter and the upper horizontal otic placode 8-1
Circularhole diameter with lower horizontal otic placode 8-2 is essentially identical, and the middle horizontal otic placode 8-3 inserts the upper horizontal otic placode 8-1 with
The centre of horizontal otic placode 8-2 and respective circular hole is in vertical intercommunication, the bearing pin 8-4 inserts three circular holes of the intercommunication and institute
Bearing pin 8-4 is stated by fixture anticreep, the fixture can be nut.
In each installing at least one push cylinder 10 and at least one locking screw in two lower booms 5-2,5-2 ' outside
Bar 11, when doing swinging arm, the oil cylinder of a lower boom is stretched out and the oil cylinder of another lower boom is retracted, by it is described it is upper,
Lower level cuts with scissors the horizontal rotation of oscillating arm mechanisms, and described pair of main truss can be made to set a roof beam in place 5 one knuckle of rotation in the horizontal plane, and knuckle can be big
Can be locked with tie down screw 11 after positioning depending on the strange size of route curve residing for little , Sui bridges half, to avoid geometry and conjugate.
For example, as shown in fig. 7, being the structural representation when level of another embodiment of the present invention cuts with scissors oscillating arm mechanisms to right swing arm
Figure, Fig. 8 be Fig. 7 described in level cut with scissors oscillating arm mechanisms to right swing arm when L to schematic diagram, wherein, on the lower boom 5-2 '
Push cylinder 10 is stretched out, and the push cylinder 10 of the lower boom 5-2 is retracted, the locking on the lower boom 5-2, lower boom 5-2 '
Screw rod 11 is locked after positioning, to avoid geometry displacement.
For example, as shown in figure 9, for another embodiment of the present invention level cut with scissors oscillating arm mechanisms swing arm to the left when structural representation
Figure, Figure 10 be Fig. 9 described in level hinge oscillating arm mechanisms swing arm to the left when M to schematic diagram, wherein, on the lower boom 5-2 '
Push cylinder 10 is retracted, and the push cylinder 10 of the lower boom 5-2 is stretched out, the locking on the lower boom 5-2, lower boom 5-2 '
Screw rod 11 is locked after positioning, to avoid geometry displacement.
As shown in Figure 11~Figure 16, a kind of section assembling type highway bridging machine of another embodiment of the present invention is in curve restocking
Various schematic diagrames during beam via, the following institute of bridge formation curve and passing method of the section assembling type highway bridging machine
State.
Step LS01：Bridge formation frame is complete when via is prepared after previous hole beam, and rear support leg 1 stands, prepares supporting leg 2 in first
It is advanced on nearly square pier C1 pier top blocks and props up vertical.
Step LS02：Supporting leg 2 is moved forward in place in first, and Zhi Li is simultaneously anchored.Front leg strut 7 moves forward, with C1 piers keep it is default away from
From such as 4 meters (m) is that 54 meters of the first distance of the retrogressings (m) of setting a roof beam in place of double main trusses are prepared.
Step LS03：Front and rear overhead traveling crane 4 is advanced to described pair of main truss 5 front ends of setting a roof beam in place and works as ballast together, and packing up rear support leg 1 makes institute
State double main trusses to set a roof beam in place 5 one-tenth back boom states, described pair of main truss is set a roof beam in place 5 retrogressing 4m, is made level cut with scissors during oscillating arm mechanisms are located at second and is propped up
At the default second distance of the rear side of leg 6, such as at 2m.The structural reference of the level hinge oscillating arm mechanisms is described previously.
Step LS04：Back boom backswing makes double main trusses 5 front and back ends of setting a roof beam in place be in line state into alignment.
Step LS05：The double main trusses of pushing tow set a roof beam in place 5 vertical shifts or vertical shift via in place.
Bu Sudden LS06：Pier is in place in front boom swing arm.Move to branch directly over D1 piers after front leg strut 7 to stand, Bridge Erector is self-service
Pier side bracket is installed, the step that moves forward of front leg strut 7 is vertical to branch on bracket, a new round can be started and set a roof beam in place operation.
Finally specification is：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. a kind of Segmental assembling bridge-erecting machine, it is characterised in that including：Double main trusses are set a roof beam in place (5), front leg strut (7), rear support leg (1), the
Supporting leg (2) in one, supporting leg (6) in second, forward and backward beam-hanging traveling crane (4), wherein, the front leg strut (7), supporting leg (2) in first,
Supporting leg (6) in second, rear support leg (1) is connected to described pair of main truss and sets a roof beam in place on (5) with being arranged in order, and described pair of main truss is set a roof beam in place (5)
Supporting leg (6) place cuts with scissors oscillating arm mechanisms and is connected by a level in described second, wherein,
Level hinge oscillating arm mechanisms include upper level hinge (9), lower level hinge (8), at least two push cylinder (10) and at least
Two tie down screws (11)；
Upper level hinge (9) be located at described pair of main truss set a roof beam in place (5) top boom (5-1) on, will be blocked by rotational structure
The top boom (5-1) links together；
Lower level hinge (8) is set a roof beam in place the top boom (5-1) and two lower booms (5-2,5- of (5) positioned at described pair of main truss
2 ') centre of the bridging (5-3,5-3 ') between, described two lower booms (5-2,5- for blocking are connected by rotational structure
, and the horizontal outer side of two lower booms (5-2,5-2 ') for blocking also is all connected with least one push cylinder 2 ')
And at least one tie down screw (11) (10)；
For rotational structure and with four connecting rods, each two connecting rod is connected and cut lower level hinge (8) respectively into scissor
Disconnected two lower booms (5-2,5-2 '), and two lower booms (5-2,5-2 ') for blocking have in truncated position it is certain
Distance, is stretched out and another by the push cylinder (10) on wherein one lower boom of two lower booms (5-2,5-2 ')
Push cylinder (10) on lower boom is retracted, and the rotation of upper level hinge (9) and lower level hinge (8) makes under described two
Chord member (5-2,5-2 ') horizontally rotate in respective truncated position, institute is fixed by least one tie down screw (11) after rotation
State two lower booms (5-2,5-2 ').
2. Segmental assembling bridge-erecting machine according to claim 1, it is characterised in that upper level hinge (9) is including on described
This two bearing pins (9-4) of rotatable connection termination in two rotatable connection terminations and connection of chord member (5-1) truncated position, wherein, its
In one rotatable connection termination include upper horizontal otic placode (9-1) and lower horizontal otic placode (9-2), the upper horizontal otic placode (9-1) and
Lower horizontal otic placode (9-2) just pair and is provided with relative circular hole up and down, and two Circularhole diameters are essentially identical；Another rotation connects
Connecing termination includes middle horizontal otic placode (9-3), and the middle horizontal otic placode (9-3) is also provided with a circular hole and its diameter and the upper water
The Circularhole diameter of flat otic placode (9-1) and the Circularhole diameter of lower horizontal otic placode (9-2) are essentially identical, the middle horizontal otic placode (9-3)
Insert the upper horizontal otic placode (9-1) and lower horizontal otic placode (9-2) centre and respective circular hole in vertical intercommunication, the bearing pin
Three circular holes and the bearing pin (9-4) that (9-4) inserts the intercommunication pass through fixture anticreep.
3. Segmental assembling bridge-erecting machine according to claim 1, it is characterised in that lower level hinge (8) includes bearing pin (8-
4), first group of two connecting rod (8-5) into scissors shape and second group of two connecting rod (8-6) into scissors shape, wherein, it is described
First group of two connecting rod (8-5) connects two lower booms (5-2,5-2 ') for blocking of the same side, described into scissor
The two piece lower boom (5-2,5-2 ') that blocks of two group of two connecting rod (8-6) into scissor connection opposite side；
The junction of first group of two connecting rod (8-5) is vertically provided with a circular hole, the knot of second group of two connecting rod (8-6)
Also a circular hole is vertically provided with conjunction, and its diameter is basic with the Circularhole diameter of the junction of first group of two connecting rod (8-5)
It is identical；The junction of the circular hole of the junction of first group of two connecting rod (8-5) and second group of two connecting rod (8-6)
Circular hole it is vertical just to connection when, the circular hole and the bearing pin (8-4) that the bearing pin (8-4) inserts the connection are anti-by fixture
It is de-.
4. Segmental assembling bridge-erecting machine according to claim 1, it is characterised in that lower level hinge (8) includes bearing pin (8-
4), first group of two connecting rod (8-5) into scissors shape and second group of two connecting rod (8-6) into scissors shape, wherein, it is described
First group of two connecting rod (8-5) connects two lower booms (5-2,5-2 ') for blocking of the same side, described into scissor
The two piece lower boom (5-2,5-2 ') that blocks of two group of two connecting rod (8-6) into scissor connection opposite side；
The junction of first group of two connecting rod (8-5) includes upper horizontal otic placode (8-1) and lower horizontal otic placode (8-2), described
Upper horizontal otic placode (8-1) and lower horizontal otic placode (8-2) just pair and are provided with relative circular hole up and down, and two Circularhole diameters are basic
It is identical；The junction of second group of two connecting rod (8-6) includes middle horizontal otic placode (8-3), the middle horizontal otic placode (8-3)
It is provided with a circular hole and its diameter is straight with the Circularhole diameter of the upper horizontal otic placode (8-1) and the circular hole of lower horizontal otic placode (8-2)
Footpath is essentially identical, and the middle horizontal otic placode (8-3) inserts the centre of the upper horizontal otic placode (8-1) and lower horizontal otic placode (8-2)
And respective circular hole, in vertical intercommunication, three circular holes and the bearing pin (8-4) that the bearing pin (8-4) inserts the intercommunication pass through
Fixture anticreep.
5. the curve bridging method of a kind of Segmental assembling bridge-erecting machine, it is characterised in that the Segmental assembling bridge-erecting machine includes double main
Girder truss (5), front leg strut (7), rear support leg (1), supporting leg (2) in first, supporting leg (6) in second, forward and backward beam-hanging traveling crane (4), its
In, the front leg strut (7), supporting leg (2) in first, supporting leg (6) in second, rear support leg (1) is connected to described double with being arranged in order
Main truss is set a roof beam in place on (5), and the described pair of main truss (5) supporting leg (6) place in described second that sets a roof beam in place cuts with scissors oscillating arm mechanisms and is connected by a level
Connect, wherein,
Level hinge oscillating arm mechanisms include upper level hinge (9), lower level hinge (8), at least two push cylinder (10) and at least
Two tie down screws (11)；
Upper level hinge (9) be located at described pair of main truss set a roof beam in place (5) top boom (5-1) on, will be blocked by rotational structure
The top boom (5-1) links together；
Lower level hinge (8) is set a roof beam in place the top boom (5-1) and two lower booms (5-2,5- of (5) positioned at described pair of main truss
2 ') centre of the bridging (5-3,5-3 ') between, described two lower booms (5-2,5- for blocking are connected by rotational structure
, and the horizontal outer side of two lower booms (5-2,5-2 ') for blocking also is all connected with least one push cylinder 2 ')
And at least one tie down screw (11) (10)；
For rotational structure and with four connecting rods, each two connecting rod is connected and cut lower level hinge (8) respectively into scissor
Disconnected two lower booms (5-2,5-2 '), and two lower booms (5-2,5-2 ') for blocking have in truncated position it is certain
Distance, is stretched out and another by the push cylinder (10) on wherein one lower boom of two lower booms (5-2,5-2 ')
Push cylinder (10) on lower boom is retracted, and the rotation of upper level hinge (9) and lower level hinge (8) makes under described two
Chord member (5-2,5-2 ') horizontally rotate in respective truncated position, institute is fixed by least one tie down screw (11) after rotation
State two lower booms (5-2,5-2 ')；
Methods described includes：
Step LS01：The Segmental assembling bridge-erecting machine frame is complete when via is prepared after previous hole beam, and rear support leg (1) Zhi Li is accurate
Standby supporting leg (2) in described first is advanced on the pier top block of nearly square pier props up vertical；
Step LS02：In place, Zhi Li is simultaneously anchored for supporting leg (2) reach in described first；Front leg strut (7) reach, it is near with described
Square pier keeps default first distance, be described pair of main truss set a roof beam in place (5) retreat the first distance and prepare；
Step LS03：The forward and backward beam-hanging traveling crane (4) is advanced to described pair of main truss (5) front end of setting a roof beam in place and works as ballast together, packs up institute
Stating rear support leg (1) makes described pair of main truss set a roof beam in place (5) into back boom state, the described pair of main truss set a roof beam in place (5) retreat certain distance, make water
Supporting leg (6) rear side is preset at second distance during flat hinge oscillating arm mechanisms are located at described second；
Step LS04：Back boom backswing makes described pair of main truss (5) front and back end of setting a roof beam in place be aligned to linear state；
Step LS05：Double main trusses set a roof beam in place (5) vertical shift via in place described in pushing tow；
Bu Sudden LS06：Pier is in place in front boom swing arm；Move to branch directly over another pier after the front leg strut (7) to stand, Bridge Erector
Self-service installation pier side bracket, the front leg strut (7) step that moves forward is vertical to branch on bracket, is set a roof beam in place operation to start a new round.
6. method according to claim 5, it is characterised in that upper level hinge (9) includes that the top boom (5-1) cuts
This two bearing pins (9-4) of rotatable connection termination in two rotatable connection terminations and connection at disconnected place, wherein, one of rotation connects
Connecing termination includes upper horizontal otic placode (9-1) and lower horizontal otic placode (9-2), the upper horizontal otic placode (9-1) and lower horizontal otic placode (9-
2) just pair and relative circular hole is provided with up and down, and two Circularhole diameters are essentially identical；During another rotatable connection termination includes
Horizontal otic placode (9-3), the middle horizontal otic placode (9-3) is also provided with a circular hole and its diameter and the upper horizontal otic placode (9-1)
Circularhole diameter and lower horizontal otic placode (9-2) Circularhole diameter it is essentially identical, the middle horizontal otic placode (9-3) inserts the upper water
The centre of flat otic placode (9-1) and lower horizontal otic placode (9-2) and respective circular hole is in vertical intercommunication, the bearing pin (9-4) inserts institute
Three circular holes and the bearing pin (9-4) for stating intercommunication pass through fixture anticreep.
7. method according to claim 5, it is characterised in that lower level hinge (8) is including bearing pin (8-4), into scissors
First group of two connecting rod (8-5) of shape and second group of two connecting rod (8-6) into scissors shape, wherein, described first group two
Connecting rod (8-5) connects two lower booms (5-2,5-2 ') for blocking of the same side into scissor, and described second group two connects
The two piece lower boom (5-2,5-2 ') that blocks of the extension bar (8-6) into scissor connection opposite side；
The junction of first group of two connecting rod (8-5) is vertically provided with a circular hole, the knot of second group of two connecting rod (8-6)
Also a circular hole is vertically provided with conjunction, and its diameter is basic with the Circularhole diameter of the junction of first group of two connecting rod (8-5)
It is identical；The junction of the circular hole of the junction of first group of two connecting rod (8-5) and second group of two connecting rod (8-6)
Circular hole it is vertical just to connection when, the circular hole and the bearing pin (8-4) that the bearing pin (8-4) inserts the connection are anti-by fixture
It is de-.
8. method according to claim 5, it is characterised in that lower level hinge (8) is including bearing pin (8-4), into scissors
First group of two connecting rod (8-5) of shape and second group of two connecting rod (8-6) into scissors shape, wherein, described first group two
Connecting rod (8-5) connects two lower booms (5-2,5-2 ') for blocking of the same side into scissor, and described second group two connects
The two piece lower boom (5-2,5-2 ') that blocks of the extension bar (8-6) into scissor connection opposite side；
The junction of first group of two connecting rod (8-5) includes upper horizontal otic placode (8-1) and lower horizontal otic placode (8-2), described
Upper horizontal otic placode (8-1) and lower horizontal otic placode (8-2) just pair and are provided with relative circular hole up and down, and two Circularhole diameters are basic
It is identical；The junction of second group of two connecting rod (8-6) includes middle horizontal otic placode (8-3), the middle horizontal otic placode (8-3)
It is provided with a circular hole and its diameter is straight with the Circularhole diameter of the upper horizontal otic placode (8-1) and the circular hole of lower horizontal otic placode (8-2)
Footpath is essentially identical, and the middle horizontal otic placode (8-3) inserts the centre of the upper horizontal otic placode (8-1) and lower horizontal otic placode (8-2)
And respective circular hole, in vertical intercommunication, three circular holes and the bearing pin (8-4) that the bearing pin (8-4) inserts the intercommunication pass through
Fixture anticreep.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610008505.1A CN105463999B (en) | 2016-01-06 | 2016-01-06 | A kind of Segmental assembling bridge-erecting machine and curve bridging method |
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| CN201610008505.1A CN105463999B (en) | 2016-01-06 | 2016-01-06 | A kind of Segmental assembling bridge-erecting machine and curve bridging method |
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| CN108517784B (en) * | 2018-06-02 | 2023-09-08 | 中国水利水电第七工程局有限公司 | Anchor device of bridge girder erection machine for adapting to small curve girder erection |
| CN110499708A (en) * | 2019-08-14 | 2019-11-26 | 中交第二航务工程局有限公司 | A kind of prefabricated assembled bridge multispan synchronous mounting rack bridge machine and its installation method |
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| DE19828499A1 (en) * | 1998-06-26 | 1999-12-30 | Ewk Gmbh | Method for laying wheel track bridge sections |
| CN100572673C (en) * | 2006-08-04 | 2009-12-23 | 中铁第五勘察设计院集团有限公司 | Span continuous beam bridge fabrication machine in a kind of |
| CN202705904U (en) * | 2012-05-22 | 2013-01-30 | 江阴大桥(北京)工程有限公司 | Small-radius hydraulic power tyre bridge girder erection machine |
| CN103031811B (en) * | 2012-12-28 | 2014-10-08 | 中铁十一局集团有限公司 | Section-assembling bridge girder erection machine suitable for erecting bridges with minimum curve radii |
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