CN212270710U - Crossbeam vertical rotation system for arch tower cable-stayed bridge - Google Patents
Crossbeam vertical rotation system for arch tower cable-stayed bridge Download PDFInfo
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- CN212270710U CN212270710U CN202020052565.5U CN202020052565U CN212270710U CN 212270710 U CN212270710 U CN 212270710U CN 202020052565 U CN202020052565 U CN 202020052565U CN 212270710 U CN212270710 U CN 212270710U
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Abstract
The utility model discloses a crossbeam vertical rotation system for arch tower cable-stayed bridge, the arch tower cable-stayed bridge comprises a bridge tower, a main beam and a crossbeam segment, the bridge tower is an arch bridge tower and is formed by splicing a left side tower and a right side tower which are symmetrical; each side tower is provided with a crossbeam section connected with the main beam for improving the transverse stress and stability of the main beam; the vertical load of the main beam is transmitted to the bridge tower through the stay cable; wedge blocks are arranged on two sides of the main beam; the transverse beam vertical rotation system comprises a locking device and a vertical rotation device, the transverse beam section is of a cuboid structure, and an upper end body is matched with a wedge block on the main beam; the locking device is matched with the vertical rotating device to fix the beam sections on the inner sides of the side towers, after the bridge tower and the main beam are built, the height of the upper ends of the beam sections can be adjusted, the upper ends of the beam sections are vertically rotated to the transverse wedge blocks of the main beam, and the main beam and the cross beam are connected into a whole. The utility model discloses a system does not influence existing line operation, practices thrift the space, reduces the cost.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the bridge engineering field specifically is a crossbeam erects system of changeing for encircleing tower cable-stay bridge.
[ background of the invention ]
With the development of economy and society in China, more and more arch pylon cable-stayed bridges are used as overpasses, and especially when the traffic transportation of roads or railways under the bridges is busy, the problems of smooth traffic and safety in the construction process in construction become the primary problems of bridge construction.
The arch tower cable-stayed bridge has stronger competitiveness when a small angle and low clearance span the existing road, the bridge type is constructed by a crossbeam after a main bridge arch forms a stable structure, and the common method is support assembly or truck-mounted installation. The support assembled beam needs to be closed to occupy the road, so that traffic is affected, and the truck crane faces the problems that the hoisting space of the arched beam is limited, the hoisting driving route is limited by the field, the deviation correction and adjustment are difficult in the hoisting process of the beam, the construction difficulty is high and the like, and especially when the driving transportation of roads or railways under the bridge is busy, the smooth traffic is ensured in the construction, and the safety of the construction process becomes the primary problem of bridge construction.
In view of the above, it is an urgent problem in the art to overcome the above-mentioned drawbacks of the prior art.
[ Utility model ] content
The utility model discloses the technical problem that needs to solve is: aiming at the problems that the road sealing and road occupying are required for assembling the beam support of the arch tower cable-stayed bridge at present, the traffic is influenced, the truck crane hoisting is limited by the site, the hoisting space of the arched beam is limited after the arch is formed, the construction difficulty is high and the like; how to when putting up the crossbeam festival section, effectively reduce the influence of existing underbridge traffic, reduce the construction degree of difficulty, shorten time limit for a project, practice thrift the cost.
The utility model discloses a following technical scheme reaches above-mentioned purpose.
The utility model provides a crossbeam vertical rotation system for arched tower cable-stayed bridge, arched tower cable-stayed bridge includes pylon, girder and crossbeam segment, the pylon is arched pylon, is formed by splicing two symmetrical side towers on left and right sides, and the pylon lifts the girder through the suspension cable; wedge blocks are arranged on two sides of the main beam; each side tower is provided with a beam section, the beam vertical rotation system comprises a locking device and a vertical rotation device for adjusting the height of the upper end of the beam section so as to vertically rotate the upper end of the beam section to a transverse wedge block of the main beam, the beam section is of a cuboid structure, and an upper end body is matched with the wedge block on the main beam; the locking device locks the upper end of the beam section to the inner side of the side tower; the vertical rotation device is used for hinging the lower end of the beam section to the inner side of the side tower.
Further, the locking device comprises a locking hinge, a steel hinge wire or a steel bar and a rubber gasket; the locking hinge is arranged at the upper end of the cross beam section, and the side tower is provided with a locking hole corresponding to the locking hinge; the rubber gasket is arranged between the beam section and the side tower; the steel strand or the steel bar can bind the beam section on the side tower.
Furthermore, the locking hinge comprises a lock handle, a lock cylinder and a lock head, wherein the lock handle is fixed at the upper end of the cross beam section; the entry and the tapered end shape and the position looks adaptation of locking hole, the bottom in locking hole is provided with the locked groove that is used for the lock head of being affiliated to, set up in the lock handle and drive the lock post and tapered end integral rotation so that the card of tapered end is gone into or is withdrawed from the locked groove and erect the motor.
Furthermore, the vertical rotation device comprises a vertical rotation hinge, a vertical rotation cable and a cable pulling machine; the vertical rotating hinge is arranged at the lower end of the cross beam section, a vertical rotating platform corresponding to the vertical rotating hinge is arranged at the designated position of the side tower, and the vertical rotating hinge is used for hinging the lower end of the cross beam section on the vertical rotating platform; the cable pulling machine is arranged on the side tower and used for drawing or loosening the vertical rotating cable; one end of the vertical rotating cable is connected to the upper end of the cross beam section, and the other end of the vertical rotating cable is connected to the cable pulling machine; the guy machine vertically rotates the upper end of the cross beam segment to the transverse wedge-shaped block of the main beam through the vertical rotating cable.
Furthermore, a position sensor is arranged on the vertical rotary table and connected with the monitoring center through a signal line to monitor the vertical rotation state of the beam section; and the lock head and the vertical rotating cable are provided with tension sensors which are connected with a monitoring center through signal lines to monitor the stress state of the lock head and the vertical rotating cable.
Furthermore, an embedding section or a welding seam is arranged between the wedge-shaped blocks of the beam sections and the main beam to realize rigid connection; the vertical rotary table is hung at the lower end of the beam section, and an embedding section or a welding seam is arranged between the beam section and the vertical rotary table to realize rigid connection.
Further, the embedding section comprises a rigid connecting plate and a bolt.
Compared with the prior art, the utility model has the following advantages.
1. The lateral tower and the beam section are horizontally spliced under the support of the bridge pier and the support, and are manufactured at the same stage, so that the beam section is conveniently bound with the bridge tower before the main tower is vertically rotated, the beam is vertically rotated in place after the lateral tower forms a stable structure, and an additional platform is not required to be built for manufacturing and hoisting the beam section; the influence of support construction to existing line when avoiding building the platform separately during the construction that corresponds avoids using heavy loop wheel machine operating space not enough, the big scheduling problem of the construction degree of difficulty.
2. Through the cooperation between locking device and the vertical rotation device, the crossbeam subsection can be in place once vertically rotated under the action of dead weight, the construction control factor is single, the construction problems such as insufficient transverse deviation correction measures are avoided, and the construction quality is effectively improved.
3. The transverse beam sections are hung through the wedge-shaped blocks and the vertical rotary tables, and the transverse beam sections are rigidly connected between the main beam and the bridge tower through the technology of arranging the embedding sections or the welded joints, so that the safety of the construction process is improved, and the integral mechanical strength after completion is ensured.
4. The locking device can ensure that the transverse beam sections cannot shift or fall off due to shaking and impact in the process of vertically rotating and splicing the side towers into the arched tower, when the side towers vertically rotate to the designated positions to form the stable arched tower, the arched tower is basically in a static state, and the transverse beam sections and the arched tower are integrated; even there is the wind-force effect, the vertical rotation device still can ensure that crossbeam festival section rocks with encircleing the tower in step, need not to increase stabilising arrangement, can easily accomplish the vertical rotation and the accurate butt joint of crossbeam festival section.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a vertical front perspective view of the cross beam in the embodiment of the present invention.
Fig. 2 is a perspective view of the isolated girder of the embodiment of the present invention.
Fig. 3 is a perspective view of the isolated beam segment according to the embodiment of the present invention.
Fig. 4 is a perspective view of the embodiment of the present invention when the locking hinges are isolated.
Fig. 5 is a partially enlarged perspective screenshot of the dashed line frame a-the beam vertically rotating front beam segment in fig. 1 according to the embodiment of the present invention.
Fig. 6 is a partially enlarged three-dimensional sectional screenshot of the broken line frame a-the beam vertically rotating front beam segment in the embodiment of the present invention shown in fig. 1.
Fig. 7 is a vertical rotation rear perspective view of the cross beam in the embodiment of the present invention.
Fig. 8 is a partial left-view enlarged perspective screenshot of the cross beam segment after the dotted line frame B-cross beam vertical rotation in fig. 7 of the embodiment of the present invention.
Fig. 9 is a partial right-view enlarged perspective screenshot of the cross beam segment after the dotted line frame B-cross beam vertical rotation in fig. 7 according to the embodiment of the present invention.
In the figure: 1-a bridge tower; 2-main beam; 3-a beam segment; 4-a locking device; 5-a vertical rotation device; 101-a locking hole; 102-a lock groove; 103-vertical rotary table; 201-wedge block; 401-locking hinges; 402-steel strand; 403-a lock handle; 404-a lock cylinder; 405-a lock head; 501-vertical rotation hinge; 502-vertical rotation cable; 503-dragline machine.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1: the embodiment of the utility model provides a crossbeam system of vertically slewing for encircleing tower cable-stayed bridge, as shown in fig. 1-9, encircleing tower cable-stayed bridge includes pylon 1, girder 2 and crossbeam festival section 3, pylon 1 is the arch pylon, is formed by splicing two symmetrical side towers from left and right sides, and pylon 1 can hoist girder 2 through the suspension cable; wedge blocks 201 are arranged on two sides of the main beam 2; each side tower is provided with a beam section 3, and the side tower and the beam section 3 are made by adopting a horizontal splicing method under the support of a pier and a bracket.
The crossbeam vertical rotation system comprises a locking device 4 and a vertical rotation device 5, the crossbeam section 3 is of a cuboid structure, and an upper end body is matched with a wedge block 201 on the main beam 2; the locking device 4 locks the upper end of the beam section 3 on the side tower, the beam section 3 is fixed on the inner side of the side tower, the vertical rotation device 5 hinges the lower end of the beam section 3 on the inner side of the side tower, and the upper end of the beam section 3 is hung on the side tower; when the side tower is vertically rotated to a designated position to form a stable arch tower and the locking device 4 is released, the vertical rotating device 5 can adjust the height of the upper end of the crossbeam section 3 and vertically rotate the upper end of the crossbeam section 3 to the transverse wedge-shaped block 201 of the main beam 2;
specifically, the locking device 4 and the vertical rotation device 5 can both independently realize the binding of the beam section 3 and the side tower, during construction, the beam section 3 and the side tower are bound through the locking device 4, then the vertical rotation device 5 is added on the beam section 3 to realize synchronous binding, so that the stability of the beam section 3 is increased, after the locking device 4 is gradually removed, the vertical rotation device 5 can independently bear the weight of the beam section 3, vertically rotate the beam section 3 to a horizontal state, and realize the connection of the beam section 3 and the transverse wedge block 201; the locking device 4 can ensure that the transverse beam sections 3 cannot shift or fall off due to shaking and impact in the process of vertically rotating and splicing the side towers into the arch tower, when the side towers vertically rotate to the designated positions to form the stable arch tower, the arch tower is basically in a static state, and the transverse beam sections 3 and the arch tower are integrated; even if there is the wind-force effect, vertical rotation device 5 still can ensure crossbeam subsection 3 and encircle the tower and rock in step, need not to increase stabilising arrangement, can easily accomplish the vertical rotation and the accurate butt joint of crossbeam subsection 3.
In this embodiment, the locking device 4 includes a locking hinge 401, a steel hinge wire 402 and a rubber gasket; the locking hinge 401 is arranged at the upper end of the beam section 3, a locking hole 101 corresponding to the locking hinge 401 is arranged at the appointed position of the side tower, and the upper end of the beam section 3 can be locked in the locking hole 101; the rubber gasket is arranged between the beam section 3 and the side tower; the beam section 3 can be bound on the side tower by the steel strand or the steel bar; specifically, rubber gasket pad can ensure that steel strand wires or rod iron firmly bind crossbeam festival section 3 behind crossbeam festival section 3 and side tower space, can avoid crossbeam festival section 3 to the mechanical collision of side tower again, especially reduces to rock relatively and shake the time mutual friction and cause wearing and tearing.
In this embodiment, the locking hinge 401 includes a lock handle 403, a lock cylinder 404 and a lock head 405, wherein the lock handle 403 is fixed to the upper end of the beam segment 3; the entrance of the locking hole 101 is matched with the shape and position of the lock head 405, the bottom end of the locking hole 101 is provided with a lock slot 102 for hanging the lock head 405, the lock handle 403 is provided with a vertical rotation motor which can drive the lock column 404 and the lock head 405 to integrally vertically rotate, so that the lock head 405 is clamped in or withdrawn from the lock slot 102; specifically, before the lock head 405 extends into the locking hole 101, an included angle between the lock head 405 and the lock groove 102 is 90 to 180 degrees; after the lock head 405 extends into the locking hole 101, under the action of the vertical rotation motor, an included angle between the lock head 405 and the lock groove 102 is 0 degree, namely, the lock head 405 is hung in the lock groove 102.
In this embodiment, the vertical rotation device 5 includes a vertical rotation hinge 501, a vertical rotation cable 502, and a cable pulling machine 503; the vertical rotating hinge 501 is arranged at the lower end of the cross beam section 3, the vertical rotating platform 103 corresponding to the vertical rotating hinge 501 is arranged at the designated position of the side tower, the vertical rotating hinge 501 can enable the lower end of the cross beam section 3 to be hinged on the vertical rotating platform 103, the distance between the designated position and the locking hole 101 corresponds to the length of the cross beam section 3, namely the cross beam section 3 can be just hung between the locking hole 101 and the vertical rotating platform 103; the dragline machine 503 is used as a tension control device of the vertical rotation cable 502, is installed on the side tower, and is used for folding or loosening the vertical rotation cable 502; one end of the vertical rotation cable 502 is connected to the upper end of the beam section 3, and the other end is connected to the cable pulling machine 503; when the side towers are vertically rotated to the designated positions and combined into the bridge tower 1 and the locking device 4 is released, the guy machine 503 can vertically rotate the upper end of the beam section 3 to the transverse wedge-shaped block 201 of the main beam 2 by releasing the vertical rotation cable 502; when the locking device 4 is unlocked, the guy machine 503 is started to tighten the vertical rotation cable 502 to lift the beam section 3 a little upwards, which is beneficial to loosening the steel strand 402 and vertical rotation of the lock head 405, so as to avoid friction between the lock head 405 and the side wall of the lock groove 102, then the guy machine 503 is started to loosen the vertical rotation cable 502, and when the beam section 3 vertically rotates downwards by 5 to 15 degrees, the rubber gasket is taken out.
In this embodiment, the vertical rotary table 103 is provided with a position sensor, and is connected with the monitoring center through a signal line to monitor the vertical rotation state of the beam section 3; tension sensors are arranged on the lock head 405 and the vertical rotating cable 502 and are connected with a monitoring center through signal lines, so that the stress states of the lock head 405 and the vertical rotating cable 502 are monitored, and the bridge tower 1 and the beam section 3 are ensured to be stably connected; the monitoring center is specifically a monitoring device arranged on an operation and control site and comprises a handheld remote controller, a monitoring console or an operation base station, the monitoring center adjusts the power of the cable pulling machine 503 according to the real-time vertical rotation angle and the angular speed of the cross beam section 3, and the cross beam section 3 is ensured to vertically rotate at a constant speed and stably descend on the transverse wedge-shaped block 201 of the main beam 2.
In this embodiment, an embedded section or a welded joint is arranged between the wedge-shaped blocks 201 of the beam section 3 and the main beam 2 to realize rigid connection; the vertical rotary table 103 can be used for hanging the lower end of the beam section 3, and an embedding section or a welding seam is arranged between the beam section 3 and the vertical rotary table 103 to realize rigid connection.
In this embodiment, the insertion section includes a rigid connection plate and a bolt.
In this embodiment, the wedge block 201 is used as one of the connection devices between the beam section 3 and the main beam 2, and may be replaced by a rectangular boss.
Example 2:
in the construction of the beam vertical rotation system in the embodiment 1, the concrete implementation steps are as follows.
The method comprises the following steps: the method comprises the steps of arranging pier and support systems according to design drawing requirements, manufacturing a side tower and a beam section 3 by adopting a horizontal splicing method under the support of the pier and the support, wherein the beam section 3 is placed along the height direction of the side tower.
Step two: mounting the locking device 4: a locking hinge 401 is sleeved on the upper end of the beam section 3 in a vertically rotatable manner, and a locking hole 101 corresponding to the locking hinge 401 is arranged at a designated position of the side tower.
Step three: installing a vertical rotation device 5: a vertical rotation hinge 501 is welded at the lower end of the beam section 3, a vertical rotation platform 103 corresponding to the vertical rotation hinge 501 is arranged at the designated position of the side tower, and a guy cable machine 503 is arranged at the designated position of the side tower.
Step four: hinging a vertical rotation hinge 501 at the lower end of the beam section 3 to a vertical rotation platform 103, arranging a plurality of rubber gaskets between the beam section 3 and a side tower, binding the beam section 3 on the side tower through a steel strand, further tightening the steel strand upwards to enable the upper end of the beam section 3 to further vertically rotate upwards, hanging a lock head 405 into a lock groove 102 by forward vertical rotation of a lock handle 403 until a locking hinge 401 is clamped into a locking hole 101, and inserting the rubber gaskets into the residual gap between the beam section 3 and the side tower; in the initial state, the angle between the beam section 3 and the side tower is 10 degrees.
Step five: a position sensor is arranged on the vertical rotation platform 103, signals are directly connected to a monitoring center, and the vertical rotation state of the beam section 3 is monitored; tension sensors are respectively arranged on the lock head 405 and the vertical rotating cable 502, and signals are directly connected to a monitoring center; wherein position sensor monitors the real-time angle between crossbeam section 3 and the side tower, and tension sensor can learn 3 focus changes of crossbeam section and lead to the tensile change of vertical rotation cable 502, can master tapered end 405 and vertical rotation cable 502 health status again, and especially tapered end 405 is damaged in advance in the construction.
Step six: the beam vertically rotates: waiting for the construction of the left side and the right side, the main beam 2 and the beam sections 3 to be completed according to requirements, firstly vertically rotating and then horizontally rotating the two side towers to form a complete arch-type bridging tower 1, after the bridge tower 1 and the main beam 2 are connected into a cable-stayed bridge through a stay cable, starting a winch to run at low power, slightly drawing up the vertical rotating cable 502 to take up the beam sections 3 so as to conveniently release the locking hinges 401, reversely vertically rotating a locking handle 403 to enable a locking head 405 to be separated from a locking groove 102, and then releasing the steel hinge 402.
Step seven: controlling the winch to slowly release the vertical rotation cable 502, enabling the upper end of the cross beam section 3 to vertically rotate downwards by taking the vertical rotation hinge 501 as a center under the action of gravity of the cross beam section 3, gradually taking off the rubber gasket until the lower end face of the cross beam section 3 is extruded onto the vertical rotation platform 103, enabling the vertical rotation platform 103 to be hung at the lower end of the cross beam section 3, placing the upper end of the cross beam section 3 on the transverse wedge-shaped block 201 of the main beam 2 at the moment, and reducing the power of the winch to be shut down by the monitoring center according to the position sensor signal; in the construction process, the monitoring center monitors the stress states of the lock head 405 and the vertical rotation cable 502 according to the tension sensor, and ensures that the bridge tower 1 and the beam section 3 are stably connected; specifically, the vertical rotation range of the beam section 3 is 10 degrees to 90 degrees from the angle between the beam section 3 and the side tower, wherein 90 degrees corresponds to the beam section 3 horizontally placed on the wedge block 201 of the main beam 2.
Step eight: after the beam sections 3 and the main beams 2 are successfully spliced, embedding sections or welding seams are arranged between the beam sections 3 and the main beams 2 to realize rigid connection; an embedding section or a welding seam is arranged between the beam section 3 and the vertical rotating platform 103 to realize rigid connection, the locking device 4 and the vertical rotating device 5 are removed after the cable-stayed bridge forms a stable structure, and the next process is carried out according to specific engineering.
In this embodiment, a steel rod of appropriate size may be used instead of the steel strand.
Further, in the embodiment, the size and the structural strength of the corresponding components of the locking device 4 and the vertical rotation device 5 are related to the size and the weight of the beam section 3, and the locking device 4 and the vertical rotation device 5 are designed to have enough strength to support the fixing and vertical rotation of the beam section 3, and a safety margin of 100% is reserved, so that the risk of damage caused by sudden stress change due to shaking or impact during the vertical rotation operation in the embodiment is avoided.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A crossbeam vertical rotation system for an arch-type cable-stayed bridge comprises a bridge tower (1), a main beam (2) and a crossbeam segment (3), wherein the bridge tower (1) is an arch-type bridge tower and is formed by splicing a left side tower and a right side tower which are symmetrical, and the main beam (2) is hoisted by the bridge tower (1) through a stay cable;
the device is characterized in that wedge blocks (201) are arranged on two sides of the main beam (2); each side tower is provided with a beam section (3),
the beam vertical rotation system comprises a locking device (4) and a vertical rotation device (5) which adjusts the height of the upper end of the beam section (3) so as to vertically rotate the upper end of the beam section (3) to a transverse wedge block (201) of the main beam (2),
the cross beam sections (3) are of cuboid structures, and upper end bodies are matched with wedge-shaped blocks (201) on the main beams (2);
the locking device (4) locks the upper end of the beam section (3) on the inner side of the side tower,
the vertical rotating device (5) is used for hinging the lower end of the beam section (3) to the inner side of the side tower.
2. Beam erecting system according to claim 1, characterised in that said locking means (4) comprise a locking hinge (401), a steel strand (402) or steel bar, and a rubber gasket;
the locking hinges (401) are mounted at the upper ends of the beam sections (3), and the side tower is provided with locking holes (101) corresponding to the locking hinges (401);
the rubber gasket is arranged between the beam section (3) and the side tower;
the steel strand or the steel bar can bind the crossbeam section (3) on the side tower.
3. Beam erecting system according to claim 2, characterised in that said locking hinge (401) comprises a locking knob (403), a locking cylinder (404) and a locking head (405), said locking knob (403) being fixed to the upper end of the beam section (3); the entrance of the locking hole (101) is matched with the shape and the position of the lock head (405), the bottom end of the locking hole (101) is provided with a locking groove (102) used for being hung on the lock head (405), and a vertical rotation motor which can drive the lock column (404) and the lock head (405) to integrally rotate so as to enable the lock head (405) to be clamped into or withdrawn from the locking groove (102) is arranged in the lock handle (403).
4. Beam erecting system according to claim 3, characterised in that said erecting means (5) comprise a erecting hinge (501), a erecting cable (502) and a cable machine (503);
the vertical rotating hinge (501) is arranged at the lower end of the cross beam section (3), the side tower is provided with a vertical rotating platform (103) corresponding to the vertical rotating hinge (501), and the vertical rotating hinge (501) enables the lower end of the cross beam section (3) to be hinged to the vertical rotating platform (103);
the cable pulling machine (503) is arranged on the side tower and is used for drawing or loosening the vertical rotation cable (502);
one end of the vertical rotating cable (502) is connected to the upper end of the cross beam section (3), and the other end of the vertical rotating cable is connected to the cable pulling machine (503);
the dragline machine (503) vertically rotates the upper end of the beam section (3) to the transverse wedge-shaped block (201) of the main beam (2) through the vertical rotation cable (502).
5. The beam erecting system as recited in claim 4,
the vertical rotating platform (103) is provided with a position sensor which is connected with a monitoring center through a signal line to monitor the vertical rotating state of the beam section (3);
and tension sensors are arranged on the lock head (405) and the vertical rotating cable (502) and are connected with a monitoring center through signal lines to monitor the stress state of the lock head (405) and the vertical rotating cable (502).
6. The crossbeam erector swivel system of claim 5, wherein a rigid connection is achieved by providing a caulking section or a welded joint between the crossbeam segment (3) and the wedge block (201) of the main beam (2); the lower end of the beam section (3) is hung on the vertical rotary table (103), and an embedding section or a welding seam is arranged between the beam section (3) and the vertical rotary table (103) to realize rigid connection.
7. The beam erector system of claim 6 wherein the embedment section includes a rigid connection plate and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020052565.5U CN212270710U (en) | 2020-01-10 | 2020-01-10 | Crossbeam vertical rotation system for arch tower cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020052565.5U CN212270710U (en) | 2020-01-10 | 2020-01-10 | Crossbeam vertical rotation system for arch tower cable-stayed bridge |
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| Publication Number | Publication Date |
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| CN212270710U true CN212270710U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020052565.5U Active CN212270710U (en) | 2020-01-10 | 2020-01-10 | Crossbeam vertical rotation system for arch tower cable-stayed bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114717961A (en) * | 2022-04-22 | 2022-07-08 | 中交第二航务工程局有限公司 | Single-tower self-anchored suspension bridge structure without lower cross beam and construction method thereof |
-
2020
- 2020-01-10 CN CN202020052565.5U patent/CN212270710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114717961A (en) * | 2022-04-22 | 2022-07-08 | 中交第二航务工程局有限公司 | Single-tower self-anchored suspension bridge structure without lower cross beam and construction method thereof |
| CN114717961B (en) * | 2022-04-22 | 2023-04-28 | 中交第二航务工程局有限公司 | Independent-tower self-anchored suspension bridge structure without lower cross beam and construction method thereof |
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