CN217460300U - Segmental assembling bridge girder erection machine - Google Patents

Segmental assembling bridge girder erection machine Download PDF

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Publication number
CN217460300U
CN217460300U CN202221325399.7U CN202221325399U CN217460300U CN 217460300 U CN217460300 U CN 217460300U CN 202221325399 U CN202221325399 U CN 202221325399U CN 217460300 U CN217460300 U CN 217460300U
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China
Prior art keywords
leg
rail
main frame
truss
landing leg
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CN202221325399.7U
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Inventor
邢立成
邱利
陈程广
李召飞
王大军
苑喜斌
张勋榜
李雨中
张鑫鹏
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Qinhuangdao Youyi Heavy Industry Science And Technology Co ltd
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Qinhuangdao Youyi Heavy Industry Science And Technology Co ltd
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Priority to CN202221325399.7U priority Critical patent/CN217460300U/en
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Abstract

The utility model relates to a building bridging technical field provides a bridge crane is assembled to segmentation, including the main frame, with the preceding landing leg that the main frame slided in proper order and set up, heavy load landing leg, and back landing leg, preceding landing leg, heavy load landing leg and back landing leg are one end and main frame and are connected the other end setting on the pier, and the jack-up overhead traveling crane and the hoist of slip setting on the main frame, still include, tension platform slides and sets up on the main frame, tension platform is located between heavy load landing leg and the back landing leg, the hoist has a plurality ofly, a plurality of hoists all are located between preceding landing leg and the tension platform, the hoist is used for supporting the concrete beam. Through the technical scheme, the problems that in the prior art, the bridge girder erection machine needs to be maintained regularly due to high load strength of the bridge girder erection machine, the workload is increased invisibly, the construction period is prolonged, and the maintenance cost is increased are solved.

Description

Segmental assembling bridge girder erection machine
Technical Field
The utility model relates to a building bridge technical field, it is specific, relate to a bridge girder erection machine is assembled to festival section.
Background
The bridge girder erection machine is equipment for placing prefabricated beam pieces on prefabricated piers, and is greatly different from a crane in a general sense. The required conditions are harsh, and the beam piece runs upwards or is called longitudinal movement. The bridge girder erection machine is divided into a highway bridge erection machine, a conventional railway bridge erection machine, a passenger-dedicated railway bridge erection machine and the like.
Because the construction of the form of the section splicing bridge is relatively small in occupied space compared with the form of the whole section bridge, the influence on traffic and environment is small, the size structure of the concrete beam is small, and the quality is easy to control. Although there are many advantages in the form of segment-spliced bridge, when segment-spliced bridge is carried out in the prior art, because the concrete beams of multiple sections need to be spliced, concrete needs to be filled in the process, and the bridge erecting machine can be unloaded after the concrete is solidified, the bending moment borne by the main body of the bridge erecting machine is large in the process and long in time, so that the load intensity of the bridge erecting machine is increased, the bridge erecting machine needs to be maintained regularly, the workload is increased invisibly, the construction period is prolonged, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bridge girder erection machine is assembled to festival section has solved among the prior art because bridge girder erection machine's load strength is big, so need regularly maintain bridge girder erection machine, has increased work load among the intangible, has prolonged construction period, has increased the problem of maintenance cost simultaneously.
The technical scheme of the utility model as follows:
a bridge girder erection machine for segment assembly comprises a main frame, a front supporting leg, a heavy-load supporting leg and a rear supporting leg which are sequentially arranged with the main frame in a sliding way, wherein one end of each of the front supporting leg, the heavy-load supporting leg and the rear supporting leg is connected with the main frame, the other end of each of the front supporting leg, the heavy-load supporting leg and the rear supporting leg is arranged on a bridge pier, a hoisting crown block and a hoisting tool are arranged on the main frame in a sliding way,
the tensioning platform is arranged on the main frame in a sliding manner and is positioned between the heavy-load supporting leg and the rear supporting leg,
the lifting appliance is provided with a plurality of lifting appliances, the lifting appliances are all positioned between the front supporting leg and the tensioning platform, and the lifting appliances are used for supporting concrete beams.
As a further technical proposal, the main frame comprises,
a truss connected to the front leg, the heavy-duty leg and the rear leg,
a first rail provided on the truss, the first rail being located at a top of the truss, the crane traveling along the first rail,
a second rail disposed on the truss, the second rail being located to the side of the truss, the spreader platform moving along the second rail,
the third track, the third track sets up on the truss, the third track is located the truss bottom, preceding landing leg, heavy-duty landing leg, and back landing leg all follows the third track slides.
As a further technical scheme, the main frame further comprises an auxiliary supporting leg, the auxiliary supporting leg is arranged on the truss, the auxiliary supporting leg is located on one side, close to the front supporting leg, of the heavy-duty supporting leg, and the auxiliary supporting leg is used for assisting the bridge girder erection machine to pass through the hole.
As a further technical scheme, the lifting appliance comprises a lifting beam and a lifting seat, the lifting beam is arranged on the truss, the lifting beam is connected with the lifting seat through a rope, and the lifting seat is connected with the concrete beam through finish-rolled deformed steel bars.
As a further technical scheme, preceding landing leg with the back landing leg comprises first platform truck, first crossbeam and first pad mound, first platform truck is followed the third track slides and sets up, first crossbeam sets up on the first platform truck, first pad mound sets up on the first crossbeam, first pad mound sets up installs jacking cylinder in the setting, jacking cylinder expansion end with the pier contact.
As a further technical scheme, the heavy-duty landing leg is composed of a second trolley, a second cross beam, a second pad pier, a transverse moving oil cylinder and a longitudinal moving oil cylinder, the second trolley is arranged along a third rail in a sliding mode, the second cross beam is connected with the second trolley through the longitudinal moving oil cylinder, a ratchet is arranged on the second trolley, the transverse moving oil cylinder is arranged on the second trolley in a swinging mode, the telescopic end of the transverse moving oil cylinder is connected with the ratchet, the transverse moving oil cylinder is matched with the ratchet to achieve a bridge girder erection machine through hole through stretching, a long interface is arranged below the second cross beam, the second pad pier is arranged on the long interface in a sliding mode, and the other end of the second pad pier is in contact with the pier.
As a further technical scheme, the joint templates are provided with a plurality of joint templates which are arranged on the truss in a swinging mode, the joint templates are symmetrically arranged on two sides of the truss, and the joint templates are located between the two lifting appliances.
According to a further technical scheme, the contour of the joint template is consistent with that of the concrete beam, the joint template swings to be attached to the concrete beam to form a filling space, and the filling space is used for filling concrete.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses in order to solve among the prior art because the load strength of bridging machine is big, so need regularly maintain the bridging machine, intangibly increased work load, prolonged construction period, increased the problem of maintenance cost simultaneously. The special segment assembling bridge girder erection machine comprises a main frame, a front support leg, a heavy-load support leg, a rear support leg, a hoisting crown block and a lifting appliance, wherein the main frame mainly plays a role of supporting a main body, the front support leg, the heavy-load support leg and the rear support leg are all arranged on a bridge pier and mainly play a role of supporting the weight of the whole bridge girder erection machine and all construction loads and transmitting the weight to the bridge pier, and meanwhile, the lifting crown block also has a hole passing function of the bridge girder erection machine, is mainly used for hoisting a concrete beam, adjusting the direction of the concrete beam and hoisting other sundries and serving as a counterweight when an empty pier passes a span, the hoisting crown block in the scheme mainly plays a role of hoisting and conveying the concrete beam, the lifting appliance is arranged on the main frame and mainly plays a role of connecting and fixing the concrete beam conveyed by the hoisting crown block, in addition, in order to solve the problem of overlarge load of a certain segment of the bridge girder erection machine, the special tensioning platform is arranged, the tensioning platform is an operation platform for tensioning operation and mainly plays a role in eliminating adverse bending moment. The structure is in a better compression stress state, so that the span of the bridge is larger, meanwhile, because the tensioning platform in the scheme also plays a role of limiting the cantilever sections and removing adverse stress, a plurality of lifting appliances are arranged, and the plurality of lifting appliances are positioned between the front supporting leg and the tensioning platform, the arrangement mode can ensure that the workload of constructing a whole hole and a half-span cantilever section block can be carried at one time during section assembly, thereby greatly increasing the construction efficiency, simultaneously saving the construction time and reducing the requirements on construction sites, in addition, because the half-span cantilever beam section is carried, a part can be mutually offset between the stress of the cantilever section and the bending moment born by the whole hole section, leading the pier between the whole hole and the cantilever section to bear more gravity, thereby reducing the maximum bending moment born by the main frame and reducing the load of the main frame, the arrangement mode not only greatly shortens the construction period, meanwhile, the stress of the main frame is reduced, and the maintenance cost of the bridge girder erection machine is indirectly reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall side structure of the present invention;
FIG. 2 is a schematic side view of the front leg of the present invention;
FIG. 3 is a schematic side view of the rear leg of the present invention;
fig. 4 is a schematic side view of the heavy-duty landing leg of the present invention;
fig. 5 is a schematic view of the spreader structure of the present invention;
FIG. 6 is a schematic side view of the tension platform of the present invention;
FIG. 7 is a schematic view of the structure of the auxiliary leg of the present invention;
fig. 8 is a side view of the main frame of the present invention;
fig. 9 is a schematic side view of the main frame of the present invention;
in the figure: 1. the lifting device comprises a main frame, 2, a front supporting leg, 3, a heavy-load supporting leg, 4, a rear supporting leg, 5, a pier, 6, a lifting crown block, 7, a lifting appliance, 8, a tensioning platform, 9, a concrete beam, 10, a truss, 11, a first rail, 12, a second rail, 13, a third rail, 14, an auxiliary supporting leg, 15, a hanging beam, 16, a hanging seat, 17, a first trolley, 18, a first cross beam, 19, a first pad pier, 20, a lifting oil cylinder, 21, a second trolley, 22, a second cross beam, 23, a second pad pier, 24, a transverse oil cylinder, 25, a longitudinal moving oil cylinder, 26, a joint template, 27 and a filling space.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1 to 9, this embodiment provides a segmental assembling bridge girder erection machine, which comprises a main frame 1, a front leg 2, a heavy-duty leg 3, and a rear leg 4, which are sequentially slidably disposed on the main frame 1, wherein each of the front leg 2, the heavy-duty leg 3, and the rear leg 4 is connected to the main frame 1 at one end and is disposed on a pier 5 at the other end, and a crane crown block 6 and a spreader 7 slidably disposed on the main frame 1,
the tensioning platform 8 is arranged on the main frame 1 in a sliding manner, the tensioning platform 8 is positioned between the heavy-duty supporting leg 3 and the rear supporting leg 4,
the lifting appliance 7 is provided with a plurality of lifting appliances 7, the lifting appliances 7 are all positioned between the front supporting leg 2 and the tensioning platform 8, and the lifting appliances 7 are used for supporting concrete beams 9.
In the prior art, the concrete beams 9 in multiple sections need to be spliced in a segmental splicing mode, concrete needs to be filled in the process, the bridge girder erection machine can unload the concrete after the concrete is solidified, the main body of the bridge girder erection machine bears large bending moment and is long in time in the process, the load strength of the bridge girder erection machine is increased, the bridge girder erection machine needs to be maintained regularly, the workload is increased invisibly, the construction period is prolonged, and the maintenance cost is increased.
In order to solve the above problems, the present embodiment is specially provided with a segment assembling bridge girder erection machine, which includes a main frame 1, a front support leg 2, a heavy-load support leg 3, a rear support leg 4, a crane crown block 6 and a lifting tool 7, wherein the main frame 1 mainly plays a role of supporting a main body, the front support leg 2, the heavy-load support leg 3 and the rear support leg 4 are all arranged on a bridge pier 5, and mainly play a role of supporting the weight of the whole bridge girder erection machine and all construction loads, and transmitting the weight to the bridge pier 5, and simultaneously assisting the bridge girder erection machine in passing through holes, the crane crown block 6 is mainly used for lifting a concrete beam 9, adjusting the direction of the concrete beam 9, lifting other impurities and using as a counterweight when an empty bridge spans, the crane crown block 6 in the scheme mainly plays a role of lifting and conveying the concrete beam 9, the lifting tool 7 is arranged on the main frame 1, and mainly plays a role of connecting and fixing the concrete beam 9 conveyed by the crane crown block 6, in addition, in order to solve the problem that a certain section of the bridge girder erection machine is overloaded, the tension platform 8 is specially arranged, wherein the tension platform 8 is an operation platform for tension operation, and mainly plays a role in eliminating adverse bending moment. The structure is in a better compression stress state, so that the span of the bridge is larger, meanwhile, because the tensioning platform 8 in the scheme also plays a role of limiting the cantilever sections and removing adverse stress, a plurality of lifting appliances 7 are arranged, and a plurality of lifting appliances 7 are arranged between the front supporting leg 2 and the tensioning platform 8, the arrangement mode can ensure that the workload of one whole hole and one half-span cantilever section block is constructed by one-time hanging during section assembly, the construction efficiency is greatly increased, meanwhile, the construction time is saved, the requirement on a construction site is reduced, in addition, because a plurality of hanging cantilever sections of half-span cantilever beams are adopted, the stress of the cantilever section and the bending moment born by the whole hole section can mutually offset a part, so that the pier 5 between the whole hole and the cantilever section bears more gravity, the maximum bending moment born by the main frame 1 is reduced, and the load of the main frame 1 is reduced, the arrangement mode greatly shortens the construction period, reduces the stress of the main frame 1, and indirectly reduces the maintenance cost of the bridge girder erection machine.
Further, the main frame 1 includes, in a main body,
a truss 10, the truss 10 being connected with the front leg 2, the heavy-duty leg 3 and the rear leg 4,
a first rail 11, the first rail 11 being disposed on the girder 10, the first rail 11 being located on the top of the girder 10, the crane crown 6 moving along the first rail 11,
a second rail 12, said second rail 12 being arranged on said girder 10, said second rail 12 being located at the side of said girder 10, said spreader platform being moved along said second rail 12,
third track 13, third track 13 sets up on the truss 10, third track 13 is located the truss 10 bottom, preceding landing leg 2 heavy-duty landing leg 3 with back landing leg 4 all follows third track 13 slides.
In this embodiment, in order to realize the movement of the hoisting crown block 6, the lifting tool 7 platform, the front support leg 2, the rear support leg 4 and the heavy-duty support leg 3 on the main frame 1, the main frame 1 is specially provided with a truss 10, a first rail 11, a second rail 12 and a third rail 13, wherein the first rail 11 is arranged on the truss 10, the hoisting crown block 6 slides along the first rail 11, the first rail 11 plays a role of guiding the movement of the hoisting crown block 6, the second rail 12 is arranged on the truss 10, and the second rail 12 is positioned at the side of the truss 10, wherein the lifting tool 7 platform is arranged on the second rail 12 in a sliding manner, the third rail 13 is arranged on the truss 10, the front support leg 2, the heavy-duty support leg 3 and the rear support leg 4 are all arranged on the third rail 13 in a sliding manner, and through the arrangement of the first rail 11, the second rail 12 and the third rail 13, the lifting tool 6, the lifting tool 7 platform, the front support leg 2, the rear support leg 4 and the lifting crown block 3 can be realized as the hoisting crown block 6, The rear leg 4 and the heavy-duty leg 3.
Further, the main frame 1 further comprises an auxiliary leg 14, the auxiliary leg 14 is disposed on the truss 10, the auxiliary leg 14 is located on one side of the heavy-duty leg 3 close to the front leg 2, and the auxiliary leg 14 is used for assisting a bridge girder erection machine to pass through a hole.
In order to accomplish the via hole action of bridging machine in this embodiment, be provided with auxiliary leg 14 specially, auxiliary leg 14's effect is auxiliary bridging machine via hole, be provided with the hydro-cylinder on auxiliary leg 14, when bridging machine via hole, because heavy-duty landing leg 3 is when the via hole, need provide power for main frame 1's removal, so auxiliary leg 14 sets up the one side at heavy-duty landing leg 3, through the regulation of hydro-cylinder on auxiliary leg 14, play the effect of sharing main frame 1 gravity for heavy-duty landing leg 3, simultaneously owing to increased auxiliary leg 14's support when the via hole, make main frame 1 move more stably when the via hole.
Further, the lifting appliance 7 comprises a lifting beam 15 and a lifting seat 16, the lifting beam 15 is arranged on the truss 10, the lifting beam 15 is connected with the lifting seat 16 through a rope, and the lifting seat 16 is connected with the concrete beam 9 through finish-rolled deformed steel bars.
In order to realize the fixed of concrete beam 9 position on the bridging machine in this embodiment, be provided with hoist 7 specially, including hanging roof beam 15 and hanger bracket 16, hang roof beam 15 and set up on truss 10, hanger bracket 16 sets up on hanging roof beam 15, connect through the rope, the accessible changes concrete beam 9's direction angle etc. on hanger bracket 16 to receiving and releasing the rope, wherein be provided with the through-hole on the concrete beam 9, be connected through finish rolling screw-thread steel between hanger bracket 16 and the concrete beam 9, finish rolling screw-thread steel passes in the through-hole of concrete beam 9, and it is fixed through the nut, through the setting of above-mentioned spare part, can realize concrete beam 9 and fix the effect of location on the bridging machine.
Further, preceding landing leg 2 with back landing leg 4 comprises first platform truck 17, first crossbeam 18 and first pad mound 19, first platform truck 17 is followed third track 13 slides and sets up, first crossbeam 18 sets up on the first platform truck 17, first pad mound 19 sets up on the first crossbeam 18, install jacking cylinder 20 on the setting of first pad mound 19, jacking cylinder 20 expansion end with pier 5 contacts.
In order to share the bearing of the heavy-duty supporting leg 3 and facilitate the whole via hole of the bridge girder erection machine, the heavy-duty supporting leg 3 plays a role in supporting the main load of the whole bridge girder erection machine, the front supporting leg 2 and the rear supporting leg 4 can both play a role in supporting the weight of the whole bridge girder erection machine and part of construction load, and transmit the construction load to the pier 5 or the pier top block, and simultaneously assist the via hole of the bridge girder erection machine. Its structure mainly comprises first platform truck 17, first crossbeam 18 and first pad mound 19, wherein first platform truck 17 slides and sets up on third track 13, the sideslip function has, first pad mound 19 is connected with first platform truck 17 through first crossbeam 18, the other end is connected with pier 5, wherein install jacking cylinder 20 on the first pad mound 19, jacking cylinder 20 can realize the lift of back landing leg 4 and back landing leg 4 through flexible, thereby change the atress condition of landing leg 3, when needing bridging machine via hole, help heavily loaded landing leg 3 alleviate the burden, make heavily loaded landing leg 3 mainly play and provide the effect of power for the bridging machine removes when the via hole, through the setting of above-mentioned spare part, can make preceding landing leg 2 and back landing leg 4 play the bearing of sharing heavily loaded landing leg 3, and make things convenient for the bridging machine to wholly carry out the effect of via hole.
Further, heavy-duty landing leg 3 comprises second platform truck 21, second crossbeam 22, second pad mound 23, sideslip hydro-cylinder 24 and vertical shift hydro-cylinder 25, second platform truck 21 is followed third track 13 slides and sets up, second crossbeam 22 pass through vertical shift hydro-cylinder 25 with second platform truck 21 is connected, the ratchet has on the truss 10, sideslip hydro-cylinder 24 swings and sets up on the second platform truck 21, the flexible end of sideslip hydro-cylinder 24 with the ratchet is connected, sideslip hydro-cylinder 24 through stretch and with the ratchet cooperation realizes bridging machine via hole, be provided with long interface under the second crossbeam 22, second pad mound 23 slides and sets up on the long interface, the other end of second pad mound 23 with pier 5 contacts.
In order to realize the effect that the heavy-load supporting leg 3 provides moving power for the bridge girder erection machine, the heavy-load supporting leg 3 is specially provided with a second trolley 21, a second cross beam 22, a second pad pier 23, a transverse moving cylinder and a longitudinal moving cylinder, wherein the second trolley 21 is slidably arranged on a third rail 13 and mainly plays a role in generating relative displacement with the bridge girder erection machine when the bridge girder erection machine passes through a hole so as to facilitate the movement of the bridge girder erection machine, the second cross beam 22 plays a role in connecting the second trolley 21 with the second pad pier 23, meanwhile, the second cross beam 22 is connected with the second trolley 21 through the longitudinal moving cylinder 25, the longitudinal moving cylinder 25 mainly plays a role in lifting the height of the heavy-load supporting leg 3 so that the bridge girder erection machine is prevented from being influenced by the bridge span when passing through the hole, wherein the truss 10 is provided with ratchets, the transverse moving cylinder 24 is arranged on the second trolley 21 through the swinging of a torsion spring, the torsion spring provides a force that the transverse moving cylinder 24 is always close to the ratchets, the function of providing power for the movement of the bridge girder erection machine can be realized through the extension and contraction of the transverse moving oil cylinder 24 and the matching action of the ratchet.
Further, the plurality of seam templates 26 are provided, the seam templates 26 are all arranged on the truss 10 in a swinging mode, the seam templates 26 are symmetrically arranged on two sides of the truss 10, and the seam templates 26 are located between the two lifting appliances 7.
In order to realize placing concrete beam 9 at the bridge girder erection machine back in place in this embodiment, concatenation between a plurality of concrete beam 9, be provided with seam template 26 specially, wherein seam template 26 is provided with a plurality ofly, and the symmetry sets up the both sides at truss 10, through truss 10 both sides seam template 26's synchronous swing, can realize with both sides and bottom gap confined effect between two concrete beam 9, convenient follow-up filling of going on horizontal concrete, through the setting of above-mentioned seam template 26, can realize connecting between a plurality of concrete beam 9.
Further, the contour of the joint template 26 is consistent with the outer contour of the concrete beam 9, the joint template 26 swings to be attached to the concrete beam 9 and form a filling space 27, and the filling space 27 is used for filling concrete.
In this embodiment, in order to realize the effect that the joint formwork 26 can close the gaps between the lateral sides and the bottom of the two concrete beams 9, the contour of the joint formwork 26 is specially set to be consistent with the contours of the two sides and the bottom of the cross beam, a filling space 27 is formed between the joint formwork 26 and the two concrete beams 9, and the effect of connecting the two adjacent concrete beams 9 can be realized after concrete is injected into the filling space 27.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A bridge girder erection machine is assembled to festival section, including main frame (1), with preceding landing leg (2), heavily loaded landing leg (3) and back landing leg (4) that main frame (1) slided in proper order and set up, preceding landing leg (2), heavily loaded landing leg (3) and back landing leg (4) are one end and main frame (1) connection other end and set up on pier (5), and slide and set up jack-up overhead crane (6) and hoist (7) on main frame (1), its characterized in that still includes,
the tensioning platform (8) is arranged on the main frame (1) in a sliding manner, the tensioning platform (8) is positioned between the heavy-load supporting leg (3) and the rear supporting leg (4),
the lifting appliance (7) is provided with a plurality of lifting appliances (7), the lifting appliances (7) are all positioned between the front supporting leg (2) and the tensioning platform (8), and the lifting appliances (7) are used for supporting concrete beams (9).
2. A segment erection bridge crane according to claim 1, wherein the main frame (1) comprises,
a truss (10), the truss (10) being connected with the front leg (2), the heavy-duty leg (3) and the rear leg (4),
a first rail (11), the first rail (11) being arranged on the truss (10), the first rail (11) being located on top of the truss (10), the hoisting trolley (6) moving along the first rail (11),
a second rail (12), the second rail (12) being arranged on the girder (10), the second rail (12) being located at the side of the girder (10), the spreader platform being moved along the second rail (12),
the third rail (13) is arranged on the truss (10), the third rail (13) is located at the bottom of the truss (10), and the front support leg (2), the heavy-load support leg (3) and the rear support leg (4) all slide along the third rail (13).
3. A segmental erection bridge crane according to claim 2, wherein the main frame (1) further comprises an auxiliary leg (14), the auxiliary leg (14) being provided on the girder (10), the auxiliary leg (14) being located on the side of the heavy-duty leg (3) close to the front leg (2), the auxiliary leg (14) being used for assisting the erection bridge crane in passing through a hole.
4. A segmental assembling bridge girder erection machine according to claim 3, wherein the spreader (7) comprises a hanging beam (15) and a hanging seat (16), the hanging beam (15) is arranged on the truss (10), the hanging beam (15) and the hanging seat (16) are connected by a rope, and the hanging seat (16) is connected with the concrete beam (9) by a finish-rolled screw steel.
5. The segment assembling bridge girder erection machine according to claim 2, wherein the front support leg (2) and the rear support leg (4) are composed of a first trolley (17), a first beam (18) and a first pad pier (19), the first trolley (17) is slidably arranged along the third rail (13), the first beam (18) is arranged on the first trolley (17), the first pad pier (19) is arranged on the first beam (18), the first pad pier (19) is provided with a jacking cylinder (20), and the movable end of the jacking cylinder (20) is in contact with the bridge pier (5).
6. The segmental assembling bridge girder erection machine according to claim 2, wherein the heavy-duty landing leg (3) is composed of a second trolley (21), a second beam (22), a second pad pier (23), a traverse cylinder (24) and a longitudinal moving cylinder (25), the second trolley (21) is slidably arranged along the third track (13), the second beam (22) is connected with the second trolley (21) through the longitudinal moving cylinder (25), the truss (10) is provided with a ratchet, the traverse cylinder (24) is arranged on the second trolley (21) in a swinging manner, the telescopic end of the traverse cylinder (24) is connected with the ratchet, the traverse cylinder (24) realizes a bridge girder erection machine through hole through stretching and matching with the ratchet, a long interface is arranged under the second beam (22), and the second pad pier (23) is slidably arranged on the long interface, the other end of the second pad pier (23) is in contact with the pier (5).
7. The segment assembling bridge girder erection machine according to claim 2, further comprising a plurality of joint templates (26), wherein a plurality of joint templates (26) are arranged on the truss (10) in a swinging manner, the joint templates (26) are symmetrically arranged on two sides of the truss (10), and the joint templates (26) are positioned between the two lifting appliances (7).
8. A segmental erection bridge crane according to claim 7, wherein the profile of the joint shuttering (26) corresponds to the outer profile of the concrete beam (9), the joint shuttering (26) swings to fit the concrete beam (9) and forms a filling space (27), and the filling space (27) is used for filling concrete.
CN202221325399.7U 2022-05-26 2022-05-26 Segmental assembling bridge girder erection machine Active CN217460300U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221325399.7U CN217460300U (en) 2022-05-26 2022-05-26 Segmental assembling bridge girder erection machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221325399.7U CN217460300U (en) 2022-05-26 2022-05-26 Segmental assembling bridge girder erection machine

Publications (1)

Publication Number Publication Date
CN217460300U true CN217460300U (en) 2022-09-20

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ID=83277319

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Application Number Title Priority Date Filing Date
CN202221325399.7U Active CN217460300U (en) 2022-05-26 2022-05-26 Segmental assembling bridge girder erection machine

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Country Link
CN (1) CN217460300U (en)

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