CN114922077B - Separated bridge stepping device - Google Patents
Separated bridge stepping device Download PDFInfo
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- CN114922077B CN114922077B CN202210564356.2A CN202210564356A CN114922077B CN 114922077 B CN114922077 B CN 114922077B CN 202210564356 A CN202210564356 A CN 202210564356A CN 114922077 B CN114922077 B CN 114922077B
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- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 244000309464 bull Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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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
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Abstract
The invention provides a separated bridge stepping device which comprises movable supporting units which are arranged on high permanent pier columns in parallel, wherein a jacking unit is arranged on one side of a longitudinal bridge of each movable supporting unit, a posture adjusting unit is arranged on one side of a transverse bridge of each movable supporting unit, a track push-pull unit is arranged between each two movable supporting units, each track push-pull unit is connected with the tail of a bridge segment, each movable supporting unit comprises a counter-force seat, a ground tank is connected onto each counter-force seat in a sliding manner and is used for carrying the bridge segment to move, shoulder pole beams are arranged at the tops of the two ground tanks and are supported at the bottoms of the bridge segments, the jacking unit is used for temporarily supporting the bridge segments, and the posture adjusting units are used for correcting the positions of the bridge segments. The invention has smart structure, adopts the separated device to push the bridge girder section, greatly improves the efficiency of the high pier on the stepping device, is safe, convenient and reliable as a whole, can be adjusted in time according to the construction requirement, and ensures the construction progress.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a separated bridge stepping device.
Background
The commonly adopted pushing construction technology for bridge erection is generally multipoint continuous pushing construction of pushing equipment, and a translation jack is adopted to complete the advancing of bridge segments. However, during erection of a bridge with high piers (pier height higher than 40 m), especially when facing a scene where the mountain area and space are narrow, the pushing equipment at the high piers is difficult to hoist and arrange due to the limitation of the topography and the weight (3 t or more) thereof makes it difficult to install the equipment in place by manual movement. The pushing construction of the high pier bridge is difficult to get on due to the fact that equipment is difficult to get on at present, meanwhile, the whole construction is difficult due to the fact that large safety risks exist, operation is very complex, and the bridge installation efficiency is low. Chinese patent document CN103911953A describes a combined pushing device for overhead and bridge installation and a non-intermittent pushing method thereof, wherein an oil cylinder adopted by the method has heavy overall weight, is not suitable for high-altitude hoisting, and can not well solve the problem of unbalanced load due to unbalanced stress in the pushing process.
Disclosure of Invention
The invention provides a separated bridge stepping device, which solves the problems that the traditional pushing equipment has larger tonnage, complex structure, inconvenient hoisting, troublesome integral installation and positioning, low construction efficiency and incapability of well inhibiting unbalanced load in the advancing process of a bridge in the construction process of a high pier bridge.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a disconnect-type bridge stepping device, including the removal supporting element of parallel arrangement on high permanent pier stud, the longitudinal bridge of removal supporting element is equipped with the jacking unit to one side, the transverse bridge of removal supporting element is equipped with the appearance unit of transferring to one side, be equipped with the track push-pull unit between two removal supporting elements, the afterbody connection of track push-pull unit and bridge segment, the removal supporting element includes the counter-force seat, sliding connection has the ground tank on the counter-force seat, the ground tank is used for carrying bridge segment removal, the shoulder pole roof beam has been taken at the top of two ground tanks, the shoulder pole roof beam supports in the bottom of bridge segment, the jacking unit is used for carrying out interim support to the bridge segment, the appearance unit of transferring is used for correcting the position of bridge segment.
In the preferred scheme, the jacking unit includes the base plate, and the base plate sets firmly on high permanent pier stud, is equipped with the jacking cylinder on the base plate, and the gesture unit is including the position adjustment bracket, and the position adjustment bracket is close to one side of bridge section and is equipped with the position adjustment cylinder, and position adjustment bracket downside is connected with high permanent pier stud through first bottom basis, still is equipped with deep floor between first bottom basis and the support frame.
In the preferred scheme, the counter-force seat includes roof and bottom plate, is equipped with a plurality of first reinforcing plates and a plurality of second reinforcing plates between roof and the bottom plate, and first reinforcing plate, second reinforcing plate, roof and bottom plate cooperation separate into a plurality of walls with the counter-force seat, are equipped with leveling unit in the wall, and the leveling unit is used for adjusting the height of counter-force seat.
In the preferred scheme, the leveling unit includes actuating lever, articulated head and the contact block that from the top down set up, and actuating lever rotatable setting is in articulated head upper portion, and the articulated head passes through the axostylus axostyle and is articulated with the contact block, is equipped with a plurality of second screw holes on the bottom plate, actuating lever and second screw hole threaded connection.
In the preferred scheme, the bottom of adjusting lever is equipped with T type groove, and the articulated joint includes the connecting plate, and the upper portion of connecting plate is equipped with the disc, and the disc is located T type inslot, runs through on the connecting plate to be equipped with the third through-hole, is equipped with logical groove on the contact block, is equipped with the second through-hole in logical groove, and the axostylus axostyle wears to establish respectively in third through-hole and second through-hole, and the upper portion of adjusting lever is equipped with the bull stick, and the lower part of adjusting lever is equipped with the inclined plane.
In the preferred scheme, be equipped with spacing direction unit on the counter-force seat, spacing direction unit is used for leading and spacing to the ground tank, and track push-and-pull unit includes the track, is equipped with the rail clamping ware on the track, and the track passes through second bottom basis and high permanent pier stud to be connected, and the track passes through alignment unit and cuts off the connection, and the rail clamping ware includes push-and-pull cylinder, and push-and-pull cylinder one side is through rail clamping mechanism and track connection, and the push-and-pull cylinder opposite side passes through otic placode and bridge segment connection.
In the preferred scheme, spacing direction unit includes a plurality of fixed plates of parallel arrangement, and fixed plate and counter-force seat are inserted and are closed and connect, and detachable is equipped with first spacing support and the spacing support of second on the fixed plate, and first spacing support is nearer apart from the clamp, and first spacing support is the same with the spacing support structure of second.
In the preferred scheme, be equipped with a plurality of first through-holes on the counter-force seat, the outside of first through-hole is equipped with four mounting holes, be equipped with four recesses in the mounting hole, be equipped with two fifth through-holes on the fixed plate in parallel, the bottom of fixed plate is equipped with the counterpoint pole, the both sides of counterpoint pole are equipped with the gag lever post respectively, the gag lever post outside is equipped with four archs, the gag lever post inserts and establishes in the mounting hole, the counterpoint pole inserts and establishes in first through-hole, the cover is equipped with first spring on the counterpoint pole, the counterpoint pole passes through nut and counter-force seat to be connected, first spacing one side of propping is equipped with two threaded rods, the threaded rod wears to establish in the fifth through-hole, the threaded rod passes through nut and fixed plate to be connected, second spacing one side of propping is equipped with two slide bars, the cover is equipped with first spring on the slide bar, the slide bar wears to establish in the fifth through-hole, the slide bar passes through nut and fixed plate to be connected.
In the preferred scheme, the alignment unit comprises a reference block, the reference block is magnetically connected with the track, adapter plates are arranged on two sides of the reference block in parallel, second lock rods are arranged on the outer sides of the adapter plates and are connected with each other through opposite pull plates and partition walls, two first lock rods are arranged on two sides of the partition walls, fourth through holes are formed on two sides of the opposite pull plates, and two sides of the opposite pull plates are respectively sleeved on the first lock rods and the second lock rods.
In the preferred scheme, the ground tank is gone up to rotate and is equipped with the carousel, be equipped with a plurality of first screw holes on the carousel, be connected with the unit of rectifying on the carousel, the unit of rectifying includes the adapter plate, be equipped with a plurality of shoulder pole holes in the adapter plate, the adapter plate passes through the screw and is connected with the carousel, adapter plate upper portion is equipped with first annular plate, be equipped with the breach on the first annular plate, first annular plate inboard symmetry is equipped with two second annular plates, the second annular plate passes through baffle and first annular plate and connects, be equipped with the sixth through-hole on the baffle, wear to be equipped with the curved bar in the sixth through-hole, curved bar is close to breach one side and is equipped with the push pedal, shoulder pole roof beam both sides laminating respectively in the push pedal outside, the cover is equipped with the second spring on the curved bar, the second spring is used for uninstalling and buffering moment of torsion.
The beneficial effects of the invention are as follows: according to the invention, the ground tanks are adopted to carry the two ends of the bridge, the jacking oil cylinders and the ground tanks are alternately supported, so that continuous stress support in the step-by-step movement construction of the bridge is realized, and the jacking units redistribute the stress positions of the bridge sections, so that the gravity of the bridge sections is transmitted to the tank wheels through the shoulder pole beams. The counter-force seat provides stable support to the ground tank, spacing direction unit can carry out the guide of route to the ground tank, can play the protection to self simultaneously, avoid the ground tank because when bearing abrupt load, produce stress concentration's problem, the alignment unit has guaranteed rigid connection between counter-force seat and the track, whole atress is more stable balanced, leveling unit can guarantee the route of marcing of ground tank unanimously, thereby can effectually solve the unbalanced load problem because bridge beam Duan Chongxin changes and bring, the unit of rectifying can uninstall the moment that comes from the bridge bottom, thereby provide the space of buffering, overall structure is ingenious, adopt the step-by-step construction of simpler and easy mode to have bridge beam section, it is clear to have simple structure to compare traditional walking formula of pushing construction, small quality is light, be convenient for advantages such as pier on the high pier.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a front layout view of the present invention in the middle of a bridge;
fig. 2 is a detailed view of the moving support unit in the present invention;
FIG. 3 is a side layout of the present invention in the middle of a bridge;
FIG. 4 is a detailed view of the tilt unit of the present invention;
FIG. 5 is a front layout view of the present invention at the tail of a bridge;
FIG. 6 is a detailed view of the track push-pull unit of the present invention;
FIG. 7 is a side layout of the present invention at the tail of a bridge;
FIG. 8 is a schematic diagram of the operation of the attitude adjusting unit of the present invention when stepping in the bridge direction;
FIG. 9 is a schematic diagram illustrating the operation of the support unit of the present invention in a stepwise motion along the bridge direction;
FIG. 10 is a schematic view of a mobile support unit connection track of the present invention;
FIG. 11 is a schematic view of the two mobile support unit connection tracks of the present invention ensuring operation of the shoulder pole beam;
FIG. 12 is a left side schematic view of FIG. 11;
FIG. 13 is a schematic top view of FIG. 11;
FIG. 14 is a schematic view of the overall structure of FIG. 11;
FIG. 15 is a schematic view of the overall exploded construction of the leveling unit of the present invention in state one;
FIG. 16 is a schematic view of the entire exploded structure of the leveling unit of the present invention in state two;
FIG. 17 is a schematic view of the overall explosive structure of FIG. 11;
FIG. 18 is a schematic view of a reaction mount mounting leveling unit of the present invention;
FIG. 19 is a schematic view of the explosive structure of FIG. 18;
FIG. 20 is a schematic view of the overall structure of the reaction plate of the present invention;
FIG. 21 is an enlarged schematic view at A of FIG. 20;
FIG. 22 is a schematic view of a mounting plate structure of the present invention;
FIG. 23 is a schematic view of an exploded construction of a second stop strut mounted to a retainer plate of the present invention;
FIG. 24 is a schematic view of the overall explosive structure of the alignment unit of the present invention;
fig. 25 is a schematic view showing a structure in which an alignment unit of the present invention is mounted in a tank.
In the figure: a moving support unit 1; a reaction force seat 101; a ground tank 102; a shoulder pole beam 103; a first reinforcing plate 104; a second reinforcing plate 105; a top plate 106; a turntable 107; a first threaded bore 108; a mounting hole 109; a groove 110; a first through hole 111; a bottom plate 112; a second threaded hole 113; a first lock lever 114; a partition 115; a jacking unit 2; a lift cylinder 201; a substrate 202; a posture adjusting unit 3; positioning bracket 301; a positioning cylinder 302; a support 303; reinforcing rib plates 304; a first bottom foundation 305; a track push-pull unit 4; a second bottom foundation 401; a track 402; rail clamp 403; an ear plate 404; push-pull cylinder 405; a rail clamping mechanism 406; a limit guide unit 5; a fixing plate 501; a first limit stay 502; a second limit stay 503; an alignment rod 504; a fifth through hole 505; a stop lever 506; a protrusion 507; a threaded rod 508; a nut 509; a slide bar 510; a first spring 511; a leveling unit 6; an adjustment lever 601; a contact block 602; a hinge 603; a shaft 604; a through slot 605; a second through hole 606; a connection plate 607; a third through hole 608; a circular disk 609; a T-shaped slot 610; a rotating lever 611; a bevel 612; an alignment unit 7; a reference block 701; an adapter plate 702; a second lock lever 703; a counter plate 704; fourth through hole 705; a deviation rectifying unit 8; a first annular plate 801; a second ring plate 802; a partition 803; notch 804; a curved bar 805; a push plate 806; a second spring 807; a transition plate 808; a screw 809; a stepped hole 810; a sixth through hole 811; a high permanent pier column 9; bridge segment 10.
Detailed Description
As shown in fig. 1-25, a separated bridge stepping device comprises movable supporting units 1 which are arranged on high permanent pier columns 9 in parallel, wherein a jacking unit 2 is arranged on one side of a longitudinal bridge of each movable supporting unit 1, a posture adjusting unit 3 is arranged on one side of a transverse bridge of each movable supporting unit 1, a track push-pull unit 4 is arranged between each two movable supporting units 1, the track push-pull units 4 are connected with the tail parts of bridge sections 10, each movable supporting unit 1 comprises a counter-force seat 101, a ground tank 102 is connected onto each counter-force seat 101 in a sliding manner, each ground tank 102 is used for carrying the bridge sections 10 to move, a shoulder pole beam 103 is arranged on the top of each ground tank 102, each shoulder pole beam 103 is supported on the bottom of each bridge section 10, each jacking unit 2 is used for temporarily supporting each bridge section 10, and each posture adjusting unit 3 is used for correcting the positions of each bridge section 10. With this structure, the track push-pull unit 4 gives forward thrust to the bridge segment 10, and the bridge segment 10 is pressed against the shoulder pole beam 103 due to the large weight of the bridge segment 10 itself, and the ground tank 102 can rapidly carry the bridge segment 10 forward in the bridge direction by pushing and pulling the bridge segment 10.
In the preferred scheme, jacking unit 2 includes base plate 202, and base plate 202 sets firmly on high permanent pier column 9, is equipped with jacking cylinder 201 on the base plate 202, and gesture unit 3 includes positioning bracket 301, and positioning bracket 301 is close to the one side of bridge segment 10 and is equipped with positioning cylinder 302, and positioning bracket 301 downside is connected through first bottom basis 305 and high permanent pier column 9, still is equipped with deep floor 304 between first bottom basis 305 and the support frame 303. Since the ground tank is limited by the size of the high permanent pier 9, the length of the reaction base 101 is limited, and the structure is adopted, so that after the local tank 102 moves from the segment start point to the segment end point, the jacking cylinder 201 works to empty the bridge segment 10 and the ground tank 102, and the ground tank 102 and the shoulder pole beam 103 are moved to the segment start point, at the moment, the jacking cylinder 201 is retracted, the bridge segment 10 falls back to the upper part of the ground tank 102 again, the load returns to the top of the shoulder pole beam 103 above the ground tank 102, and the process is repeated until the bridge segment 10 reaches the design position; when the deviation between the central axis of the bridge segment 10 and the theoretical value is too large, the bridge segment 10 is pushed from the outer side by the positioning oil cylinder 302, so that the bridge segment 10 is restored to the designed position, and the specific process is as follows: when the deviation is found to exceed the allowable value, the jacking operation is stopped immediately, the jacking action of the jacking cylinder 201 is utilized, the bridge segment 10 and the ground tank 102 on the counter-force seat 101 are emptied, then the ground tank 102 is rotated by 90 degrees to be arranged, meanwhile, the shoulder pole beam 103 is adjusted, the jacking cylinder 201 is retracted after the step is completed, the load is transferred to the ground tank 102 again, the matching action is carried out through the positioning cylinder 302 between the two positioning brackets 301 at the outermost side of the bridge, the transverse deviation rectifying and the positioning of the bridge segment are realized through the positioning action, after the positioning is completed, the ground tank 102 and the shoulder pole beam 103 are restored to the state of advancing along the bridge direction, the jacking is continued, the whole adjustment is convenient, the operation is simple, and the problem that the position of the bridge segment 10 cannot be changed because the traditional jacking cylinder is completely fixed on the high permanent pier 9 is avoided, and the position of the bridge segment 10 is difficult to correct accurately is solved.
In a preferred embodiment, the reaction force base 101 includes a top plate 106 and a bottom plate 112, a plurality of first reinforcing plates 104 and a plurality of second reinforcing plates 105 are disposed between the top plate 106 and the bottom plate 112, the first reinforcing plates 104, the second reinforcing plates 105, the top plate 106 and the bottom plate 112 cooperate to partition the reaction force base 101 into a plurality of partitions 115, leveling units 6 are disposed in the partitions 115, and the leveling units 6 are used for adjusting the height of the reaction force base 101. With this structure, so that the counter-force seat 101 is supported by the first reinforcing plate 104 and the second reinforcing plate 105, the overall rigidity is stronger, a more stable and firm supporting foundation can be provided for the ground tank 102, the ground tank 102 moves more smoothly in the advancing process of carrying the bridge beam section 10, the overall stability is good, the shaking performance is smaller, the partition 115 can reduce the overall weight, materials are saved, the hoisting and loading are more convenient, the top plate 106 of the counter-force seat 101 positioned at two sides of the track 402 can be positioned on the same horizontal plane by the leveling unit 6, thus being beneficial to the problem that the ground tank 102 slides to one side or the gravity center of the bridge beam section 10 is stable during carrying, meanwhile, the problem that the ground tank 102 possibly has a unbalanced trend, the overall instability safety risk is avoided, the problem that the ground tank 102 at different positions is damaged is avoided, the supporting and the pushing effect is better, and the counter-force seat is more beneficial to repeated use for multiple times is avoided.
In a preferred scheme, the leveling unit 6 comprises an adjusting rod 601, a hinge 603 and a contact block 602 which are arranged from top to bottom, the adjusting rod 601 is rotatably arranged on the upper portion of the hinge 603, the hinge 603 is hinged with the contact block 602 through a shaft rod 604, a plurality of second threaded holes 113 are formed in the bottom plate 112, and the adjusting rod 601 is in threaded connection with the second threaded holes 113. With this structure, the adjusting rod 601 can be rotated, so that the position of the adjusting rod in the second threaded hole 113 can be changed, the position of the counterforce seat 101 can be supported and adjusted, the contact plate 602 can be stably attached to the surface of the high permanent pier column 9, the whole body is fully contacted, the stress is more uniform, the hinge joint 603 can adapt to the slope change of the high permanent pier column 9 within a certain range, and the use effect is better.
In the preferred scheme, the bottom of adjustment lever 601 is equipped with T type groove 610, and articulated joint 603 includes connecting plate 607, and the upper portion of connecting plate 607 is equipped with disc 609, and disc 609 is located T type inslot 610, runs through on the connecting plate 607 to be equipped with third through hole 608, is equipped with logical groove 605 on the contact block 602, is equipped with second through hole 606 in logical groove 605, and axostylus axostyle 604 wears to establish respectively in third through hole 608 and second through hole 606, and the upper portion of adjustment lever 601 is equipped with bull stick 611, and the lower part of adjustment lever 601 is equipped with inclined plane 612. With this structure, the adjusting lever 601 can rotate without changing the position of the hinge 603, and the adjusting lever 601 can apply stable pressure to the hinge 603, thereby being convenient for the whole use.
In the preferred scheme, be equipped with spacing direction unit 5 on the counter-force seat 101, spacing direction unit 5 is used for leading and spacing to ground tank 102, track push-and-pull unit 4 includes track 402, be equipped with clamp rail ware 403 on the track 402, track 402 is connected with high permanent pier column 9 through second bottom basis 401, track 402 is connected with cut off 115 through aligning unit 7, clamp rail ware 403 includes push-and-pull cylinder 405, push-and-pull cylinder 405 one side is connected with track 402 through clamp rail mechanism 406, push-and-pull cylinder 405 opposite side is connected with bridge segment 10 through otic placode 404. With this structure, so that the rail clamp 403 is stable and connected with the rail 402, the push-pull cylinder 405 gives forward power to the ground tank 102 by its own extension and retraction, and simultaneously changes the position of the rail clamp 403 itself, and the limit guiding unit 5 can provide guiding and supporting within a certain range for the ground tank 102, so as to prevent the ground tank 102 from sliding out of the counterforce seat 102.
In the preferred scheme, spacing direction unit 5 includes a plurality of fixed plates 501 of parallel arrangement, and fixed plate 501 and counter-force seat 101 insert and close the connection, and detachable is equipped with first spacing support 502 and second spacing support 503 on the fixed plate 501, and first spacing support 502 is nearer apart from clamp 403, and first spacing support 502 and second spacing support 503 structure are the same. From this structure to make the distance between two first spacing props 502 and the width phase-match of ground tank 102, when the terminal point of ground tank 102 from the bridge festival section removes to the starting point at every turn, two first spacing props 502 cooperate to carry out the restriction of horizontal degree of freedom to ground tank 102, guaranteed ground tank 102 route's stability from the source, the spacing limit of while adoption elasticity is propped 503 to the second, when giving the limit of ground tank 102, avoid impact and damage because of abrupt change load brings, whole convenient to use.
In the preferred scheme, be equipped with a plurality of first through-holes 111 on the counter-force seat 101, the outside of first through-hole 111 is equipped with four mounting holes 109, be equipped with four recesses 110 in the mounting holes 109, be equipped with two fifth through-holes 505 on the fixed plate 501 in parallel, the bottom of fixed plate 501 is equipped with counterpoint pole 504, the both sides of counterpoint pole 504 are equipped with gag lever post 506 respectively, the gag lever post 506 outside is equipped with four archs 507, the gag lever post 506 inserts in mounting holes 109, counterpoint pole 504 inserts and establishes in first through-hole 111, the cover is equipped with first spring 511 on counterpoint pole 504, counterpoint pole 504 passes through nut 509 and is connected with the counter-force seat 101, first limit strut 502 one side is equipped with two threaded rods 508, threaded rod 508 wears to establish in fifth through-hole 505, threaded rod 508 passes through nut 509 and is connected with fixed plate 501, second limit strut 503 one side is equipped with two slide bars 510, the cover is equipped with first spring 511 on the slide bar 510, slide bar 510 wears to establish in fifth through-hole 505, slide bar 510 passes through nut 509 and is connected with fixed plate 501. From this structure to make the first spring 511 that adopts suitable rigidity can form stable support spacing to the ground tank 102 from the side, and can in time adjust the direction of second spacing support 502 as required, manual lifting fixed plate 501 rotates 90 orientation and inserts in the mounting hole 109, two gag levers 506 cooperation, whole location is accurate, protruding 507 has guaranteed the inseparabler of gag lever levers 506 and mounting hole 109 laminating simultaneously, the degree of accuracy of whole installation is higher simultaneously, easy operation, convenient to use, after changing the position of second spacing support 502, guaranteed that the position adjustment hydro-cylinder 302 on the transfer unit 3 carries out the correction of position to bridge girder section 10, convenient to use is reliable.
In a preferred scheme, the alignment unit 7 comprises a reference block 701, the reference block 701 is magnetically connected with the track 402, adapter plates 702 are arranged on two sides of the reference block 701 in parallel, second lock rods 703 are arranged on the outer sides of the adapter plates 702, the second lock rods 703 are connected with the partition 115 through opposite pull plates 704, two first lock rods 114 are arranged on two sides of the partition 115, fourth through holes 705 are formed on two sides of the opposite pull plates 704, and two sides of the opposite pull plates 704 are respectively sleeved on the first lock rods 114 and the second lock rods 703. From this structure to make when installing two counter-force seats 101, the laminating of counter-force seat 101 bottom is on high permanent pier column 9, can keep the holding surface of counter-force seat 101 at the coplanar through leveling unit 6, guaranteed the support basis of shoulder pole roof beam 103 stable, atress on the shoulder pole roof beam 103 more stable, form rigid connection between counter-force seat 101 and the track 402 then can be guaranteed to arm-tie 704 simultaneously, the structure is more stable, because bridge section 10's erect the direction and have the difference in height, and holistic bridge is not sharp, and track 402 is originally direct fixation on high permanent pier column 9, counter-force seat 101 laminates the trend of track 402 completely, holistic collaborative operation is more stable, thereby under the effect of track push-pull unit 4, can impel bridge section 10 along the direction of track 402.
In the preferred scheme, be equipped with carousel 107 on the ground tank 102 rotation, be connected with a plurality of first screw holes 108 on the carousel 107, be equipped with rectifying unit 8 on the carousel 107, rectifying unit 8 includes the adapter plate 808, be equipped with a plurality of shoulder holes 810 in the adapter plate 808, adapter plate 808 passes through screw 809 and carousel 107 connection, adapter plate 808 upper portion is equipped with first annular plate 801, be equipped with breach 804 on the first annular plate 801, first annular plate 801 inboard symmetry is equipped with two second annular plates 802, the second annular plate 802 passes through baffle 803 and first annular plate 801 to be connected, be equipped with sixth through-hole 811 on the baffle 803, wear to be equipped with curved bar 805 in the sixth through-hole 811, curved bar 805 is close to breach 804 one side and is equipped with push pedal 806, shoulder pole 103 both sides are laminated in the push pedal 806 outside respectively, the cover is equipped with second spring 807 on curved bar 805, second spring 807 is used for uninstalling and buffering the moment of torsion. From this structure to make shoulder pole roof beam 103 when both sides are not completely synchronous, still can provide abundant support to bridge section 10 bottom, and can not follow the landing on the ground tank 102, the carousel 107 cooperation of both sides, with the inseparable laminating of push pedal 806 in the outside of shoulder pole roof beam 103, carry out spacing and fixed to shoulder pole roof beam 103, whole self-adaptation has guaranteed holistic safety and the reliability of bearing. Because the two ground tanks 102 cannot guarantee absolute synchronous advancing in the actual pushing process, the shoulder pole beam 103 guarantees that the position of the shoulder pole beam is suitable for the position of the ground tank 102 under the action of the deviation rectifying unit 8, and meanwhile, stable support is provided for the bridge beam section 10, and overall safety, structural bridge deck and stable performance are guaranteed within a certain range.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. A separated bridge stepping device is characterized in that: including the removal supporting element (1) of parallel arrangement on high permanent pier stud (9), the longitudinal bridge of removal supporting element (1) is equipped with jack-up unit (2) to one side, the transverse bridge of removal supporting element (1) is equipped with profile control unit (3) to one side, be equipped with track push-pull unit (4) between two removal supporting element (1), the afterbody connection of track push-pull unit (4) and bridge segment (10), remove supporting element (1) including counter-force seat (101), sliding connection has ground tank (102) on counter-force seat (101), ground tank (102) are used for carrying bridge segment (10) and remove, shoulder pole roof beam (103) have been taken at the top of two ground tanks (102), the bottom at bridge segment (10) is supported to shoulder pole roof beam (103), jack-up unit (2) are used for carrying out interim support to bridge segment (10), profile control unit (3) are used for correcting the position of bridge segment (10).
2. The split bridge stepping device of claim 1, wherein: the jacking unit (2) comprises a base plate (202), the base plate (202) is fixedly arranged on a high-permanence pier column (9), a jacking oil cylinder (201) is arranged on the base plate (202), the gesture adjusting unit (3) comprises a gesture adjusting bracket (301), a gesture adjusting oil cylinder (302) is arranged on one side, close to the bridge segment (10), of the gesture adjusting bracket (301), the lower side of the gesture adjusting bracket (301) is connected with the high-permanence pier column (9) through a first bottom foundation (305), and a reinforcing rib plate (304) is further arranged between the first bottom foundation (305) and the supporting frame (303).
3. The split bridge stepping device of claim 1, wherein: the counter-force seat (101) comprises a top plate (106) and a bottom plate (112), a plurality of first reinforcing plates (104) and a plurality of second reinforcing plates (105) are arranged between the top plate (106) and the bottom plate (112), the counter-force seat (101) is divided into a plurality of partitions (115) by matching of the first reinforcing plates (104), the second reinforcing plates (105), the top plate (106) and the bottom plate (112), leveling units (6) are arranged in the partitions (115), and the leveling units (6) are used for adjusting the height of the counter-force seat (101).
4. A split bridge stepping apparatus according to claim 3, wherein: the leveling unit (6) comprises an adjusting rod (601), a hinge joint (603) and a contact block (602) which are arranged from top to bottom, the adjusting rod (601) is rotatably arranged on the upper portion of the hinge joint (603), the hinge joint (603) is hinged with the contact block (602) through a shaft rod (604), a plurality of second threaded holes (113) are formed in the bottom plate (112), and the adjusting rod (601) is in threaded connection with the second threaded holes (113).
5. The split bridge stepping device according to claim 4, wherein: the bottom of adjusting lever (601) is equipped with T type groove (610), articulated joint (603) include connecting plate (607), the upper portion of connecting plate (607) is equipped with disc (609), disc (609) are located T type groove (610), run through on connecting plate (607) and are equipped with third through-hole (608), be equipped with logical groove (605) on contact block (602), be equipped with second through-hole (606) in logical groove (605), axostylus axostyle (604) are worn to establish respectively in third through-hole (608) and second through-hole (606), the upper portion of adjusting lever (601) is equipped with bull stick (611), the lower part of adjusting lever (601) is equipped with inclined plane (612).
6. A split bridge stepping apparatus according to claim 3, wherein: be equipped with spacing direction unit (5) on counter-force seat (101), spacing direction unit (5) are used for leading and spacing to ground tank (102), track push-and-pull unit (4) are including track (402), be equipped with on track (402) clamp rail ware (403), track (402) are connected through second bottom basis (401) and high permanent pier column (9), track (402) are connected through aligning unit (7) and partition (115), clamp rail ware (403) are including push-and-pull cylinder (405), push-and-pull cylinder (405) one side is connected through clamp rail mechanism (406) and track (402), push-and-pull cylinder (405) opposite side is connected through otic placode (404) and bridge segment (10).
7. The split bridge stepping device of claim 6, wherein: spacing direction unit (5) are including a plurality of fixed plates (501) of parallel arrangement, and fixed plate (501) and counter-force seat (101) are inserted and are connected, and detachable is equipped with first spacing support (502) and second spacing support (503) on fixed plate (501), and first spacing support (502) are nearer apart from rail clamp (403), and first spacing support (502) and second spacing support (503) structure are the same.
8. The split bridge stepping apparatus of claim 7, wherein: be equipped with a plurality of first through-holes (111) on counter-force seat (101), the outside of first through-hole (111) is equipped with four mounting holes (109), be equipped with four recess (110) in mounting hole (109), be equipped with two fifth through-holes (505) on fixed plate (501) in parallel, the bottom of fixed plate (501) is equipped with counterpoint pole (504), the both sides of counterpoint pole (504) are equipped with gag lever post (506) respectively, the gag lever post (506) outside is equipped with four archs (507), stopper lever (506) are inserted and are established in mounting hole (109), counterpoint pole (504) are inserted and establish in first through-hole (111), the cover is equipped with first spring (511) on counterpoint pole (504), counterpoint pole (504) are connected through nut (509) and counter-force seat (101), first limit is propped (502) one side and is equipped with two threaded rods (508), threaded rod (508) wear to establish in fifth through-hole (505), threaded rod (508) are connected through nut (509) and fixed plate (501), second limit propped (503) one side is equipped with two slide bars (510), slide bar (510) are equipped with first spring (511) and are worn to establish in slide bar (510) through connecting through nut (509).
9. The split bridge stepping device of claim 6, wherein: the alignment unit (7) comprises a reference block (701), wherein the reference block (701) is magnetically connected with a track (402), adapter plates (702) are arranged on two sides of the reference block (701) in parallel, second lock rods (703) are arranged on the outer sides of the adapter plates (702), the second lock rods (703) are connected with a partition (115) through opposite pull plates (704), two first lock rods (114) are arranged on two sides of the partition (115), fourth through holes (705) are formed on two sides of the opposite pull plates (704), and the two sides of the opposite pull plates (704) are respectively sleeved on the first lock rods (114) and the second lock rods (703).
10. The split bridge stepping device of claim 1, wherein: the ground tank (102) is rotationally equipped with carousel (107), be equipped with a plurality of first screw holes (108) on carousel (107), connect deviation rectifying unit (8) on carousel (107), deviation rectifying unit (8) are equipped with a plurality of shoulder hole (810) including transfer dish (808) in transfer dish (808), transfer dish (808) are connected through screw (809) and carousel (107), transfer dish (808) upper portion is equipped with first annular plate (801), be equipped with breach (804) on first annular plate (801), first annular plate (801) inboard symmetry is equipped with two second annular plates (802), second annular plate (802) are connected through baffle (803) and first annular plate (801), be equipped with sixth through-hole (811) on baffle (803), wear to be equipped with curved bar (805) in sixth through-hole (811), curved bar (805) are close to breach (804) one side and are equipped with push pedal (806), shoulder pole (103) both sides laminate respectively in the push pedal (outside, the cover is equipped with second spring (807) on curved bar (805), second spring (807) are used for unloading moment of torsion.
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| CN202210564356.2A CN114922077B (en) | 2022-05-23 | 2022-05-23 | Separated bridge stepping device |
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| CN202210564356.2A CN114922077B (en) | 2022-05-23 | 2022-05-23 | Separated bridge stepping device |
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| CN114922077A (en) | 2022-08-19 |
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