CN207739151U - Two straddle type Bridge Erectors - Google Patents
Two straddle type Bridge Erectors Download PDFInfo
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- CN207739151U CN207739151U CN201721738748.7U CN201721738748U CN207739151U CN 207739151 U CN207739151 U CN 207739151U CN 201721738748 U CN201721738748 U CN 201721738748U CN 207739151 U CN207739151 U CN 207739151U
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Abstract
The utility model is related to bridge erection technical field of construction equipment, more particularly to a kind of two straddle type Bridge Erectors.Including erecting machine and beam car;The front end of the girder of beam car is equipped with transition wheel group and front truck successively from front to back, and the rear end of girder is equipped with rear car;Front truck can be lifted relative to girder, and the nose girder of erecting machine is more than the length of box beam by the length of No. 2 supporting legs to tail end, and the front end of girder is additionally provided with and matched hanging part of hanging beam trolley.When box beam is hoisted at machine tail end of setting a roof beam in place, coordinated with the hanging beam trolley on Bridge Erector by the hanging part of rising being arranged on girder, the front end of beam car is set to obtain temporary support, the wheel group of front truck can be up-shifted to vacantly as a result, and then it can be by box beam further to hole position handling, after box beam is in place, front truck can be retracted directly at the top of box beam, be ready for the integral lifting of box beam, whole process is quick, convenient, and the front truck of beam car is without being arranged complicated bulky climbing structures.
Description
Technical field
The present invention relates to bridge erection technical field of construction equipment, more particularly to a kind of two straddle type Bridge Erectors.
Background technology
Bridge Erector is the erection construction equipment of high-speed rail bridge, is divided into integration of transporting and building machine and the fortune split type Bridge Erector of frame.Wherein,
Integration of transporting and building machine is to complete fortune beam and bridge formation, box beam by same complete equipment to hang the lower section for being located at integration of transporting and building main beam
Box beam is put into hole position by transport when building bridge, and this fortune beam mode can also reduce the height of complete machine, allow it to lead to
Cross tunnel.
But integration of transporting and building machine is because fortune beam and the operating mode set a roof beam in place cannot be carried out at the same time, therefore its is extremely inefficient, be not suitable for long distance
From the demand of erection.
It is that beam car cooperation Bridge Erector is completed to set up to transport the split type Bridge Erector of frame, its main feature is that fortune beam can be synchronous with bridge formation
It carries out, it is efficient.The fortune beam mode of beam car generally use lifting type in split type Bridge Erector is convenient for Bridge Erector from upper in this way
The hanged box beam in side, but the beam car height of lifting type is higher, is not suitable for cunicular operating mode.
And according to the beam car of hanging beam transport, it needs that first box beam is positioned on bridge floor, is made by some solutions
The front end of beam car around box beam, withdraw from the arena after, Bridge Erector could hanged box beam;And since the forward vehicle section of beam car occupies one
Segment space, box beam is removed rear or can have at a distance from one section with hole position to be set up, so must be set below box beam
Height flat car for transport of sills is set low, it is complete by hanging beam trolley on Bridge Erector and the cooperation of low clearance flat car for transport of sills after awaiting carrying beam vehicle is withdrawn from the arena
Wheel spacing needs at bridge formation, also, beam car are arranged larger, so that low clearance flat car for transport of sills can pass through, support to case
The lower section of beam, so, the setting of the front end of beam car should meet and can be bypassed by the top of box beam, make low clearance again
Flat car for transport of sills drive into just needed across, structure it is very complicated, heavy, and feeding beam operation take it is longer.
Invention content
The technical purpose to be realized of the present invention is to provide a kind of beam car simple in structure, can completing efficient feeding beam.
To achieve the above object, the present invention provides a kind of two straddle type Bridge Erectors, including erecting machine and beam car;The frame
Beam machine includes nose girder, and the nose girder is equipped with No. 0 supporting leg, No. 1 supporting leg and No. 2 supporting legs successively from front to back, is also set on the nose girder
There are at least two hanging beam trolleies that can be moved along its length, the front end of the girder is additionally provided with to match with the hanging beam trolley
That closes plays hanging part;The beam car includes girder, and the front end of the girder is equipped with transition wheel group and front truck, institute successively from front to back
The rear end for stating girder is equipped with rear car, is equipped on the girder and between the front truck and the rear car and sets case for hanging
The lifting beam device of beam;;The front truck can be lifted relative to the girder, the height after the front truck promotion and the transition wheel group
Height be adapted and be higher than the height that the box beam is positioned on bridge floor;The nose girder by No. 2 supporting legs to tail end length
Length of the degree more than the box beam.
Optionally, the tail end of the nose girder is rotatably connected to No. 3 supporting legs, and No. 3 supporting legs can be rotated downwardly and rearwardly.
Optionally, No. 3 supporting legs are connect by carriage with the nose girder, and the carriage can be along the nose girder
Length direction sliding, No. 3 supporting legs and the carriage are rotatablely connected.
Optionally, the both sides of the nose girder are equipped with sliding rail along its length, and the carriage passes through the first power plant
It is sequentially connected with the sliding rail.
Optionally, the front truck includes the left side wheels group and right side wheels being arranged in girder both sides.
Optionally, the both sides of the girder are equipped with the sliding slot being longitudinally extended, the left side wheels group and right side wheels it is interior
Side is equipped with the traveller upwardly extended, and traveller sliding slot described in the drive lower edge of third power plant slides up and down.
Optionally, the nose girder includes left side beam, right side beam and is connected to the left side beam and the right side boom support
Intermediate beam is inserted at the top of the traveller between the left side beam and right side beam when the front truck is promoted.
Optionally, the hanging beam trolley includes moving trolley and hanged portion, and the both sides of the moving trolley pass through one respectively
Group driving wheel corresponds to walking on the left side beam and right side beam, and the hanged portion is by between the left side beam and the right side beam
Space pass through.
Optionally, described hanging part is arranged between the transition wheel group and the front truck.
Optionally, the bottom of No. 2 supporting legs is equipped with supporting beam, the height of the transition wheel and the support depth of beam
It is adapted.
A kind of two straddle types Bridge Erector provided by the invention is existed when box beam to be hoisted at machine tail end of setting a roof beam in place by setting
The hanging beam trolley risen on hanging part and Bridge Erector on girder coordinates, the front end of beam car is made to obtain temporary support, as a result, front truck
Wheel group can be up-shifted to vacantly, and then can be by box beam further to hole position handling, and after box beam is in place, front truck can be directly from case
It is retracted at the top of beam, completes handling, be ready for the integral lifting of box beam, whole process is quick, convenient, and before beam car
Vehicle is without being arranged complicated bulky climbing structures.
Description of the drawings
Fig. 1 is schematic diagram when beam car is travelled to feeding beam position;
Fig. 2 is schematic diagram of the beam car at the lower section of traveling to drive end unit of setting a roof beam in place;
Fig. 3 is the schematic diagram after front truck is promoted;
Fig. 4 is schematic diagram when beam car continues to move forward to feeding beam position;
Fig. 5 is schematic diagram of beam car when front truck is located on box beam when withdrawing from the arena;
Fig. 6 is schematic diagram when beam car front truck when withdrawing from the arena leaves box beam tail end;
Fig. 7 is the schematic diagram that beam car front truck when withdrawing from the arena drops to bridge floor;
Fig. 8 is beam car in the schematic diagram after withdrawing from the arena, when No. 3 supporting legs are supported on bridge floor.
Reference numeral:
1, nose girder;2, No. 0 supporting leg;3, No. 1 supporting leg;4, No. 2 supporting legs;5, No. 3 supporting legs;6, supporting beam;7, preceding hanging beam trolley;
8, rear hanging beam trolley;9, transition wheel;10, front truck;11, girder;12, rear car;13, sliding slot;14, traveller;15, box beam;16, bridge
Pier;17, hanging part is played;101, left side beam;102, right side beam;103, intermediate beam.
Specific implementation mode
To keep the purpose, technical scheme and advantage of invention clearer, below in conjunction with the attached drawing in invention, in invention
Technical solution be explicitly described, it is clear that described embodiment is invention a part of the embodiment, and not all implementation
Example.Based on the embodiment in invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, shall fall within the protection scope of the present invention.
In the description of the present invention, unless otherwise indicated, the orientation or position of the instructions such as term "upper", "lower", "top", "bottom"
It is to be based on the orientation or positional relationship shown in the drawings to set relationship, is merely for convenience of description of the present invention and simplification of the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.
It should be noted that unless otherwise clearly defined and limited, term " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected;It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected.For the ordinary skill in the art, tool of the above-mentioned term in invention can be understood with concrete condition
Body meaning.
A kind of two straddle types Bridge Erector provided in an embodiment of the present invention, including erecting machine and beam car.
In conjunction with shown in Fig. 1 to Fig. 8, erecting machine includes nose girder 1, and nose girder 1 is equipped with 2, No. 1 branch of No. 0 supporting leg successively from front to back
5, No. 0 supporting leg 2 of 3, No. 2 supporting legs 4 of leg and No. 3 supporting legs for being used in Bridge Erector via, distinguish by No. 1 supporting leg 3 and No. 2 supporting legs 4
It is erected on the both sides bridge pier 16 of hole position, the two hanging beam trolleies that can be moved along its length is additionally provided on nose girder 1;Nose girder 1
It is more than the length of box beam 15 by the length of No. 2 supporting legs 4 to tail end, No. 3 supporting legs 5 are connect with nose girder 1 by carriage, specifically may be used
Sliding rail is set along its length in the both sides of girder 11, carriage is sequentially connected by the first power plant and sliding rail, sliding
Device can be slided along the length direction of nose girder 1, thus No. 3 supporting legs 5 be driven to be moved along the length direction of nose girder 1;No. 3 supporting legs 5 with
Carriage is detachably connected, and when removing the beam car of lower section can pass through, and can be used for supporting nose girder 1 in the mounted state.
By the way that No. 3 supporting legs 5 that can be moved along its length are arranged at the endpiece of nose girder 1, the tail end of nose girder 1 is made to obtain
Support, so as to directly using the 1 tail end integral lifting box beam 15 of nose girder that grows box beam 15, without being padded in the lower section of box beam 15
If low clearance flat car for transport of sills, simplifies structure;Feeding beam process is not necessarily to the cooperation of hanging beam trolley and low clearance flat car for transport of sills, and efficiency carries
It is high;In addition, No. 3 supporting legs 5 can also be close proximity to the position of bridge pier 16, in order to avoid bridge floor is made to generate larger answer by being moved forward and backward
Power improves safety.
In addition, No. 3 supporting legs 5 can also be rotatablely connected with carriage, No. 3 supporting legs 5 can be rotated downwardly and rearwardly, specifically be existed
Second power plant is set on carriage, and the second power plant is for driving No. 3 supporting legs 5 to rotate.Pass through the endpiece in nose girder 1
No. 3 supporting legs 5 that place's setting can rearwardly and downwardly be overturn, expansion is to make it through when beam car transports box beam 15, in lifting box beam
When 15, support is formed to the tail end of nose girder 1, so as to directly using the 1 tail end integral lifting box beam 15 of nose girder for growing box beam 15,
Without setting low clearance flat car for transport of sills in the lower section of box beam 15 pad, structure is simplified;Feeding beam process is not necessarily to hanging beam trolley and low clearance
The cooperation of flat car for transport of sills, efficiency improve.
In some embodiments, nose girder 1 including left side beam 101, right side beam 102 and is connected to left side beam 101 and right side beam
The intermediate beam 103 of 102 holders surrounds a rectangular frame structure with this, in being formed between left side beam 101 and right side beam 102
Empty region.
Beam car includes girder 11, and the front end of girder 11 is equipped with 10, No. 2 branch of 9 groups of transition wheel and front truck successively from front to back
The bottom of leg 4 is equipped with supporting beam 6, and the height of transition wheel 9 is adapted with the height of supporting beam 6, so that transition wheel can be from support
6 top of beam passes through, and the rear end of girder 11 is equipped with rear car 12, is equipped with and uses on girder 11 and between front truck 10 and rear car 12
In hanging the lifting beam device for setting box beam 15;Front truck 10 can be lifted relative to girder 11,9 groups of the height after the promotion of front truck 10 and transition wheel
Height be adapted and be higher than the height that box beam 15 is positioned on bridge floor;Nose girder 1 is more than case by the length of No. 2 supporting legs 4 to tail end
The length of beam 15, the front end of girder 11 is additionally provided with may be provided at transition with matched hanging part 17 of hanging beam trolley, a hanging part 17
Between wheel group and front truck 10.
As a result, when box beam 15 to be hoisted at machine tail end of setting a roof beam in place, by rear hanging beam trolley 8 with play hanging to connect and matching for hanging part 17
It closes, so that the front end of beam car is obtained temporary support, the wheel group of front truck 10 can be up-shifted to vacantly as a result, and then can be by case
Beam 15 is further to hole position handling, and after box beam 15 is in place, front truck 10 can be retracted directly from the top of box beam 15, completes handling, is
The integral lifting of box beam 15 is ready, and whole process is quick, convenient, and the front truck 10 of beam car is complicated bulky without being arranged
Climbing structures.
Wherein, front truck 10 includes the left side wheels group and right side wheels being arranged in 11 both sides of girder, and the both sides of girder 11 are all provided with
There is the sliding slot 13 being longitudinally extended, the quantity of sliding slot 13 is multiple, and multiple sliding slots 13 are arranged along the length direction interval of nose girder 1;It is left
The traveller 14 upwardly extended is equipped on the inside of side wheel group and right side wheels, the quantity of traveller 14 is opposite with the quantity of sliding slot 13
It answers, traveller 14 slides up and down under the drive of third power plant along sliding slot 13, thus drives in left side wheels group and right side wheels
Lower slider.
Further, nose girder 1 including left side beam 101, right side beam 102 and is connected to left side beam 101 and 102 holder of right side beam
Intermediate beam 103, current vehicle 10 promoted when, the top of traveller 14 is inserted between left side beam 101 and right side beam 102, thus not
Additional gap is arranged to accommodate the traveller 14 in necessity between erecting machine and beam car, reduces complete machine height;Hanging beam trolley
Including moving trolley and hanged portion, the both sides of moving trolley correspond to walking in left side beam 101 and the right side by one group of driving wheel respectively
On curb girder 102, hanged portion is passed through by the space between left side beam 101 and right side beam 102, for probeing into hanged box beam 15 downwards.
Front truck 10 and rear car 12 are connect by hydraulic steering mechanism with each wheel;The middle part of front truck 10 and rear car 12
It is equipped with oil cylinder supporting leg, oil cylinder supporting leg after lifting by crane box beam 15 for propping up front truck 10 and rear car 12, so that front truck 10 and rear car
Wheel spinning reduction on 12, specifically, when lifting by crane box beam 15, the wheel of front truck 10 and rear car 12 turns to 90 °, beam car
The top of box beam 15 is moved laterally to, beam car slings box beam 15, is in load condition, at this point, oil cylinder supporting leg extends downwardly, branch
Beam car is propped up, wheel pressure is reduced, so that each wheel reset is rotated by 90 ° by fluid-link steering structure, to reduce wheel
The generated abrasion when lifting by crane box beam 15.
Girder 11 can be connect by bogie with rear car 12, so that girder 11 can be swung relative to rear car 12, be facilitated
It is curved.
Based on above structure, a kind of achievable fortune frame of the present invention is allocated as formula bridging method and is:Pass through beam car and bridge formation
Bridging operation is realized in the cooperation of machine, is included the following steps:
Rotatable No. 3 supporting legs 5 of S1, bridge formation machine tail end rotate backward expansion, and box beam 15 is transported to bridge formation by beam car
The lower section of machine tail end;
S2, beam car front truck 10 are lifted up, and the front end of beam car is sling by the hanging beam trolley on erecting machine;
S3, by the cooperation of the hanging beam trolley and beam car rear car 12, beam car complete machine is moved forward, makes to wait for frame box beam 15
It is fully located at the lower section for machine tail end of setting a roof beam in place;
Connection between S4, releasing beam car and box beam 15, box beam 15 is positioned on having built a bridge;
S5, by the cooperation of the hanging beam trolley and beam car rear car 12, will be moved after beam car complete machine, until beam car before
Vehicle 10 is in the top for the front end for waiting for frame box beam 15;
S6, by the cooperation of beam car front truck 10 and rear car 12, moved after making beam car complete machine, until front truck 10 leaves and waits for frame
The tail end of box beam 15, the tail end of the transition wheel 9 and box beam 15 that are arranged using 10 front of beam car front truck, which is formed, to be supported;
S7, front truck 10 is transferred to bridge floor, beam car is left the theatre;
S8, No. 3 supporting legs 5 are swung down to and are supported in bridge floor;
S9, it waits for frame box beam 15 using two hanging beam trolley integral liftings, carries out operation of setting a roof beam in place.
In some embodiments, the front end of beam car is sling in step S2 by the rear hanging beam trolley 8 on erecting machine;Thus
While progress in step s 6, rear hanging beam trolley 8 is while handling girder 11 moves backward, preceding hanging beam trolley 7 and box beam
15 front end, which is hung, to be connect, and the construction time is saved.
In some embodiments, before executing step S4, in the lower section of box beam 15, pad sets cushion block first.
In some embodiments, before executing step S8, first by the position of No. 3 supporting legs 5 along the length direction of Bridge Erector
It is adjusted, so that position of No. 3 supporting legs 5 near bridge pier 16.
Finally it should be noted that:Above example is only to illustrate the technical solution of invention, rather than its limitations;Although ginseng
Invention is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that:It still can be right
Technical solution recorded in foregoing embodiments is modified or equivalent replacement of some of the technical features;And this
A little modification or replacements, the spirit and scope for each embodiment technical solution of invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of two straddle type Bridge Erectors, which is characterized in that including erecting machine and beam car;The erecting machine includes nose girder, described
Nose girder is equipped with No. 0 supporting leg, No. 1 supporting leg and No. 2 supporting legs successively from front to back, is additionally provided with and can move along its length on the nose girder
Dynamic at least two hanging beam trolleies;The beam car includes girder, and the front end of the girder is equipped with transition wheel successively from front to back
The rear end of group and front truck, the girder is equipped with rear car, is equipped on the girder and between the front truck and the rear car
For hanging the lifting beam device for setting box beam;The front truck can be lifted relative to the girder, the height after the front truck promotion and institute
The height for stating transition wheel group is adapted and is higher than the height that the box beam is positioned on bridge floor;The nose girder is by No. 2 supporting legs
It is more than the length of the box beam to the length of tail end, the front end of the girder is additionally provided with and the matched lifting of hanging beam trolley
Portion.
2. two straddle types Bridge Erector according to claim 1, which is characterized in that the tail end of the nose girder is rotatably connected to No. 3
Supporting leg, No. 3 supporting legs can be rotated downwardly and rearwardly.
3. two straddle types Bridge Erector according to claim 2, which is characterized in that No. 3 supporting legs pass through carriage and institute
Nose girder connection is stated, the carriage can be slided along the length direction of the nose girder, and No. 3 supporting legs turn with the carriage
Dynamic connection.
4. two straddle types Bridge Erector according to claim 3, which is characterized in that the both sides of the nose girder are equipped with along its length
Sliding rail, the carriage are sequentially connected by the first power plant and the sliding rail.
5. two straddle types Bridge Erector according to claim 1, which is characterized in that the front truck includes being arranged in girder both sides
Left side wheels group and right side wheels.
6. two straddle types Bridge Erector according to claim 5, which is characterized in that the both sides of the girder, which are equipped with, to be longitudinally extended
Sliding slot, the traveller upwardly extended is equipped on the inside of the left side wheels group and right side wheels, the traveller is filled in third power
Sliding slot slides up and down described in the drive lower edge set.
7. two straddle types Bridge Erector according to claim 6, which is characterized in that the nose girder include left side beam, right side beam and
The intermediate beam being connected between the left side beam and the right side beam, when the front truck is promoted, the top of the traveller is inserted into
To between the left side beam and right side beam.
8. two straddle types Bridge Erector according to claim 7, which is characterized in that the hanging beam trolley includes moving trolley and hangs
Portion is taken, the both sides of the moving trolley correspond to walking on the left side beam and right side beam by one group of driving wheel respectively, described
Hanged portion is passed through by the space between the left side beam and the right side beam.
9. two straddle types Bridge Erector according to claim 8, which is characterized in that described hanging part is arranged in the transition wheel group
Between the front truck.
10. two straddle types Bridge Erector according to claim 1, which is characterized in that the bottom of No. 2 supporting legs is equipped with support
Beam, the height of the transition wheel are adapted with the support depth of beam.
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CN201721738748.7U CN207739151U (en) | 2017-12-13 | 2017-12-13 | Two straddle type Bridge Erectors |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107858935A (en) * | 2017-12-13 | 2018-03-30 | 中铁第五勘察设计院集团有限公司 | Two straddle type Bridge Erectors |
CN109837837A (en) * | 2019-03-06 | 2019-06-04 | 上海市基础工程集团有限公司 | Mounting device and method for concrete-steel Beam prefabricated bridge |
-
2017
- 2017-12-13 CN CN201721738748.7U patent/CN207739151U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107858935A (en) * | 2017-12-13 | 2018-03-30 | 中铁第五勘察设计院集团有限公司 | Two straddle type Bridge Erectors |
CN109837837A (en) * | 2019-03-06 | 2019-06-04 | 上海市基础工程集团有限公司 | Mounting device and method for concrete-steel Beam prefabricated bridge |
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