CN215051985U - Cable-stay bridge girder steel segment swings and moves device - Google Patents

Abstract

The utility model provides a cable-stay bridge girder steel segment section swings and moves device, it lifts by crane system and the second of swinging to swing to move the system including the first, and the first system of lifting by crane is equipped with the first power pack that lifts by crane and the first unit of swinging to move, and the second lifts by crane and swings the system and be equipped with the second and lift by crane power pack and second and swing the unit, lifts by crane system and the second through the first and lifts by crane and swing the cooperation that the system established, accomplishes the high-efficient installation of girder steel. The utility model discloses the efficiency of construction is high, low in manufacturing cost, and the installation is quick, can be when guaranteeing construction safety, reduces construction period, reduces lifting device cost and drops into.

Description

Cable-stay bridge girder steel segment swings and moves device

Technical Field

The utility model belongs to the technical field of cable-stay bridge girder steel segment hoist and mount construction and specifically relates to a cable-stay bridge girder steel segment swings and moves device is related to.

Background

The cable-stayed bridge is widely applied due to economic manufacturing cost, good durability and low maintenance cost. The partial superposed steel beam segments have large hoisting weight, the installation position exceeds the performance coverage area of hoisting equipment, and the complex terrain in mountainous areas is difficult to adopt ultra-large equipment, so that the construction difficulty is increased.

In traditional construction, the problem is generally solved by adopting a mode of increasing the performance of hoisting equipment. The problems with this approach are: the requirement on the bearing capacity of the foundation is increased, the design difficulty of the main tower wall attachment is increased, and the construction risk and the construction cost are greatly increased.

Chinese patent document CN 111424556 a describes a method for erecting a main beam of a cable-stayed bridge and a main beam of a cable-stayed bridge, which have the defects of high requirements on hoisting equipment, large workload and use. Chinese patent document CN 103147405A describes a method for erecting a steel beam of a diagonal main girder cable-stayed bridge, which has a large requirement on foundation bearing, and a suspension bridge device is located above the steel beam, so that there is a construction risk and the cost is high, and therefore, improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable-stay bridge girder steel segment swings and moves device has solved when hoist and mount, and the lifting device installation is troublesome, and the structure is complicated relatively, has the potential safety hazard during the construction, and efficiency is lower, and the construction cycle is long, and lifting device input cost is great, and it is higher to bear the requirement to the business turn over, uses the great problem of restriction.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a cable-stayed bridge steel beam segment swinging device comprises a first lifting swinging system and a second lifting swinging system, wherein the first lifting swinging system is provided with a first lifting power unit and a first swinging unit, the first lifting power unit comprises a plurality of first winches which are arranged oppositely, the first winches are arranged at the upper end of an upper cross beam, the first swinging unit is provided with a plurality of first pulley blocks, the first pulley blocks are positioned below the upper cross beam and connected with the first winches through steel cables, the second lifting swinging system is provided with a second lifting power unit and a second swinging unit, the second lifting power unit comprises a plurality of second winches which are arranged oppositely, the second winches are arranged on a main beam, the second swinging unit is provided with a plurality of second pulley blocks, the second pulley blocks are positioned on a middle tower column, the second hoisting power unit is connected with the second lifting power unit through steel cables, and a third pulley block is further arranged, the third pulley block is positioned at one side of the second winch;

a plurality of through holes are symmetrically arranged on the upper cross beam in a penetrating mode, a first sleeve is fixedly arranged in each through hole, and a guide piece is arranged in each first sleeve in a rotating mode.

In the preferred scheme, the through holes comprise a first hoisting hole, a second hoisting hole, a third hoisting hole and a fourth hoisting hole, the first hoisting hole, the second hoisting hole, the third hoisting hole and the fourth hoisting hole are respectively positioned on the outer side of the upper cross beam, a plurality of middle tower column anchoring points are oppositely arranged on the inner side of the middle tower column, and the second pulley block is arranged on the middle tower column anchoring points.

In the preferred scheme, the self-adaptive device is hinged to the second sleeve through the fixing plate, the guide piece is rotatably arranged in the second sleeve, the self-adaptive devices are respectively arranged on one sides of the first winch and the second winch, and the guide piece is sleeved on the steel cable.

In the preferred scheme, the guide piece comprises a supporting cylinder, contact heads are respectively arranged on two sides of each contact head, and a plurality of cleaning balls are distributed on the inner wall of the supporting cylinder along the axial direction.

In the preferred scheme, the self-adaptation device includes the base, the base intermediate position is equipped with the stand, stand one side is equipped with first screw hole, stand threaded connection has the spacing nail, the cover is equipped with swivel mount and spring on the stand, the spring is located between swivel mount and the base, be equipped with spacing terrace on the swivel mount, spacing terrace supports and leans on the spacing nail, spacing terrace is connected with the apron through the check pin, the apron inboard is equipped with first counter bore and second counter bore, second counter bore diameter is greater than first counter bore, wear to be equipped with the support in the first counter bore, the second counter bore passes through the staple and connects the spacing dish, the support lower extreme supports and leans on the spacing dish.

In the preferred scheme, the swivel mount bilateral symmetry is equipped with the lantern ring, lantern ring internal diameter and base external diameter phase-match, and spacing step evenly is equipped with a plurality of second screw holes, and the apron evenly is equipped with a plurality of connecting holes, second screw hole diameter and connecting hole diameter phase-match, and the support is including two faggings that set up relatively, and the fagging is articulated through staple and fixed plate, and the fixed plate is located between two faggings.

In a preferred embodiment, the number of the first hoists is 4 groups, and the number of the second hoists is 4 groups.

In a preferred embodiment, the plurality of cleaning balls are arranged spirally in the axial direction.

In the preferred scheme, the base is provided with a supporting column, the supporting column is in threaded connection with one side of an adjusting sleeve, the other side of the adjusting sleeve is in threaded connection with an upright column, and a supporting table is arranged on the outer side of the adjusting sleeve.

In the preferred scheme, a clamping groove is formed in the supporting table, and the inner size of the clamping groove is matched with the shape of the spring.

The utility model has the advantages that:

1. the installation is convenient, and the first system that moves that swings that lifts by crane can be installed at the entablature top surface, connects first assembly pulley and provides power through reserving the hole for hoist and mount, lifts by crane between the first assembly pulley and cooperates the installation of accomplishing the horizontal bridge of coincide girder steel and swinging to shifting along the bridge.

2. The second lifting swing system is installed on the 0# section of the main beam, connected with the second pulley block through the middle tower column anchoring point and matched with the first lifting swing system to complete the side span swing installation of the superposed steel beam.

3. Simple structure, thereby reducible large equipment's use reduces construction cost, and the steel cable turns to at the in-process rounding off that uses, and can guarantee the cleanness of steel cable, prolongs the life of steel cable, guarantees the effect of hoist and mount.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic front view of the assembly of the present invention;

FIG. 2 is a schematic top view of the assembly of the present invention;

FIG. 3 is a drawing of the single-joint side span steel beam hoisting of the present invention;

FIG. 4 is a completed side span steel beam assembly of the present invention;

FIG. 5 is a drawing showing the lifting and moving of the side span steel beam cross bridge of the present invention;

FIG. 6 is a second installation view of the side span steel beam of the present invention in which the cross bridge is swung and moved;

FIG. 7 is a view of the side span steel beam swing and installation of the present invention;

fig. 8 is an overall schematic view of the guide of the present invention;

fig. 9 is a front schematic view of a guide of the present invention;

fig. 10 is a schematic cross-sectional view of a guide a-a of the present invention;

fig. 11 is an overall schematic view of the adaptive device mounting guide of the present invention;

fig. 12 is a left side schematic view of the adaptive device mounting guide of the present invention;

fig. 13 is an exploded view B of the adaptive device and guide of the present invention;

fig. 14 is an exploded view of the adaptive device and guide of the present invention;

fig. 15 is a schematic view of an upper cross beam mounting guide of the present invention;

figure 16 is a schematic view of a steel cable according to the present invention;

fig. 17 is a schematic view of the connection between the base and the upright of the present invention.

In the figure: a first lifting, swinging and moving system 1; a first hoisting power unit 101; a first swing unit 102; a first hoist 103; a first hoisting hole 2; a second hoisting hole 3; a third hoisting hole 4; a fourth hoisting hole 5; a first pulley block 6; an upper cross member 7; a second lifting swing system 8; a second hoisting power unit 801; a second swing unit 802; a second winch 803; a third pulley block 804; a middle tower anchor point 9; a second pulley block 10; a tower crane 11; a steel beam 12; a guide 13; a support cylinder 1301; a contact 1302; a cleaning ball 1303; a central bore 1304; a circular arc contact portion 1305; an adaptation means 14; a base 1401; a post 1402; a rotating frame 1403; a spring 1404; a limit step 1405; a first threaded aperture 1406; a spacing pin 1407; a cover plate 1408; a support 1409; a fixing plate 1410; a collar 1411; the locking nails 1412; a second threaded hole 1413; a connecting hole 1414; a gusset 1415; a restraint disc 1416; adjustment pins 1417; a first counterbore 1418; a second counterbore 1419; a third threaded hole 1420; a staple 1421; adjustment sleeve 1422; a support table 1423; a card slot 1424; a support post 1425; a wire rope 15; a main beam 16; a middle tower column 17; a first sleeve 18; a second sleeve 19.

Detailed Description

As shown in fig. 1 to 17, a cable-stayed bridge steel girder segment swinging device includes a first lifting swinging system 1 and a second lifting swinging system 8, the first lifting swinging system 1 is provided with a first lifting power unit 101 and a first swinging unit 102, the first lifting power unit 101 includes a plurality of first hoists 103 arranged oppositely, the first hoists 103 are arranged at the upper end of an upper beam 7, the first swinging unit 102 is provided with a plurality of first pulley blocks 6, the first pulley blocks 6 are located below the upper beam 7, the first pulley blocks 6 are connected with the first hoists 103 through steel cables 15, the second lifting swinging system 8 is provided with a second lifting power unit 801 and a second swinging unit 802, the second lifting power unit 801 includes a plurality of second hoists 803 arranged oppositely, the second hoists 803 are arranged on a main girder 16, the second swinging unit 802 is provided with a plurality of second pulley blocks 10, the second swinging unit 10 is located on a middle tower column 17, the second pulley block 10 is connected with the second hoisting power unit 801 through a steel cable 15, and a third pulley block 804 is further arranged, and the third pulley block 804 is positioned on one side of the second winch 803;

a plurality of through holes symmetrically penetrate through the upper cross beam 7, a first sleeve 18 is fixedly arranged in each through hole, and a guide piece 13 is rotatably arranged in each first sleeve 18. From this structure to make can lift by crane through first lifting by crane and swing moving system 1 and second lift by crane and swing moving that completion girder steel 12 that system 8 can be quick moves, until design position department, guide 13 has guaranteed that steel cable 15 is receiving the in-process of drawing, avoids taking place hard friction with entablature 7, can play clear effect to steel cable 15 simultaneously, has prolonged steel cable 15's life, has guaranteed steel cable 15's jack-up effect.

In the preferred scheme, the through holes comprise a first hoisting hole 2, a second hoisting hole 3, a third hoisting hole 4 and a fourth hoisting hole 5, the first hoisting hole 2, the second hoisting hole 3, the third hoisting hole 4 and the fourth hoisting hole 5 are respectively positioned on the outer side of the upper cross beam 7, a plurality of middle tower column anchoring points 9 are oppositely arranged on the inner side of the middle tower column 17, and the second pulley block 10 is arranged on the middle tower column anchoring points 9. From this structure to make the convenience of hoist and mount, 4 hoisting hole symmetries set up on entablature 7, and girder steel 12 has been played in hoist and mount that can be balanced stable, and second assembly pulley 10 has played the effect of adjusting the 12 horizontal bridges of girder steel to.

In a preferred scheme, the self-adaptive device 14 is further included, the self-adaptive device 14 is hinged to the second sleeve 19 through a fixing plate 1410, the guide piece 13 is rotatably arranged in the second sleeve 19, the self-adaptive devices 14 are respectively arranged on one sides of the first winch 103 and the second winch 803, and the guide piece 13 is sleeved on the steel cable 15. With the structure, the steel cable 15 plays a role in precise control in the process of drawing and retracting and can play a role in cleaning.

In a preferred scheme, the guide 13 includes a support cylinder 1301, the contact head 1302 is respectively disposed on two sides of the contact head 1302, and a plurality of cleaning balls 1303 are axially distributed on an inner wall of the support cylinder 1301. The center hole 1304 of the contact head 1302 is matched with the supporting cylinder 1301, the arc contact part 1305 is arranged at the upper end of the center hole 1304, and the arc contact part 1305 is arranged at the upper end of the center hole 1304, so that the steel cable 15 can smoothly turn in the drawing process of the guide piece 13, the surface of the steel cable 15 can be cleaned and maintained, meanwhile, the steel cable 15 moves in the supporting cylinder 1301, the cleaning ball 1303 abuts against the surface of the steel cable 15, the steel cable 15 is limited and centered, and dirt can be timely treated.

In a preferable scheme, the self-adaptive device 14 comprises a base 1401, a stand column 1402 is arranged in the middle of the base 1401, a first threaded hole 1406 is formed in one side of the stand column 1402, a limit nail 1407 is connected to the stand column 1402 in a threaded manner, a rotating frame 1403 and a spring 1404 are sleeved on the stand column 1402, the spring 1404 is located between the rotating frame 1403 and the base 1401, a limit step 1405 is arranged on the rotating frame 1403, the limit step 1405 abuts against the limit nail 1407, a cover plate 1408 is connected to the limit step 1405 through a locking nail 1412, a first counter bore 1418 and a second counter bore 1419 are arranged on the inner side of the cover plate 1408, the diameter of the second counter bore 1419 is larger than that of the first counter bore 1418, a support 1409 penetrates through the first counter bore 1418, a plurality of third threaded holes 1420 are uniformly arranged on the second counter bore 1419, the second counter bore 1419 is connected with a limit disc 1416 through the fixing nail 1417, and the lower end of the support 1409 abuts against the limit disc 1416. From this structure, steel cable 15 is at rolling and tensile in-process, and steel cable 15's position can change, and self-adaptation device 14 can in time guide and spacing to steel cable 15, guarantees the smooth and easy of steel cable 15 work.

In a preferred scheme, two sides of the rotating frame 1403 are symmetrically provided with a sleeve ring 1411, the inner diameter of the sleeve ring 1411 is matched with the outer diameter of the base 1401, the limiting step 1405 is uniformly provided with a plurality of second threaded holes 1413, the cover plate 1408 is uniformly provided with a plurality of connecting holes 1414, the diameter of each second threaded hole 1413 is matched with the diameter of each connecting hole 1414, the support 1409 comprises two oppositely arranged supporting plates 1415, each supporting plate 1415 is hinged with the fixing plate 1410 through a fixing nail 1421, and the fixing plate 1410 is located between the two supporting plates 1415. With this structure, the rotating frame 1403 can be rotated by the steel cable 15, and the supporting plate 1415 can limit and support the guide.

In a preferred embodiment, the number of the first hoists 103 is 4, and the number of the second hoists 803 is 4. By the structure, the construction efficiency is high, and the steel beam 12 is uniform in stress and stable in swinging.

In a preferred embodiment, the cleaning balls 1303 are arranged in a spiral manner in the axial direction. From this structure, helix angle and wire rope 15 appearance phase-match, the clean effect is better in the rise of wire rope 15 and the decline in-process.

In a preferable scheme, the base 1401 is provided with a supporting column 1425, one side of the supporting column 1425 is in threaded connection with one side of an adjusting sleeve 1422, the other side of the adjusting sleeve 1422 is in threaded connection with the upright column 1402, and a supporting table 1423 is arranged on the outer side of the adjusting sleeve 1422. With the structure, the height of the upright 1402 can be adjusted according to needs, and the adjustment is convenient and quick.

In a preferred embodiment, the supporting platform 1423 is provided with a slot 1424, and the inner dimension of the slot 1424 matches with the outer shape of the spring 1404. With the structure, one side of the spring 1404 is fixed in the clamping groove 1424, and the limit of the spring 1404 is guaranteed.

The using method comprises the following steps:

s1, reserving pre-buried points of a middle tower anchoring point 9 during construction of a middle tower 17, and reserving a first hoisting hole 2, a second hoisting hole 3, a third hoisting hole 4 and a fourth hoisting hole 5 during construction of an upper cross beam 7;

as shown in fig. 1-2, S2, installing a first winch 103 on the top surface of the upper beam 7, the first winch 103 passing through a first hoisting hole 2, a second hoisting hole 3, a third hoisting hole 4, and a fourth hoisting hole 5 through a steel cable 15 respectively to connect with a first pulley block 6 corresponding to the lower part, installing a middle tower anchor point 9 on the middle tower 17, installing a second winch 803 in the middle of the main beam 16, installing third pulley blocks 804 on both sides of the main beam 16, and connecting the second winch 803 with a second pulley block 10 after passing through the third pulley block 804 and the middle tower anchor point 9 through the steel cable 15;

as shown in fig. 3, S3, after the steel beam 12 is hoisted to the main beam 16 by the tower crane 11, two first pulley blocks 6 on the first hoisting hole 2 and the second hoisting hole 3 are used as a group, two first pulley blocks 6 on the third hoisting hole 4 and the fourth hoisting hole 5 are used as a group, two ends of the steel beam 12 are respectively hoisted to form inclined hoisting swing with the tower crane 11, the first pulley block 6 under the first hoisting hole 2, the second hoisting hole 3, the third hoisting hole 4 and the fourth hoisting hole 5 are respectively tightened, the steel beam 12 under the tower crane 11 is transferred to the first hoisting swing system 1, and the forward-to-swing hoisting of the steel beam 12 is completed;

as shown in fig. 4, S4, repeating step S3, and completing the assembly of the side span in sequence;

as shown in fig. 5, S5, after the assembly of the side span is completed, using two first pulley blocks 6 on the first hoisting hole 2 and the third hoisting hole 4 as a group, and using two first pulley blocks 6 on the second hoisting hole 3 and the fourth hoisting hole 5 as a group, respectively hoisting two ends of the side span steel beam to form an oblique hoisting swing, respectively tightening the first hoisting hole 2, the third hoisting hole 4, the first pulley block 6 below the second hoisting hole 3 and the fourth hoisting hole 5, and completing the hoisting of the side span steel beam in the direction of the cross bridge to the first swing;

as shown in fig. 6, S6, respectively hooking the first pulley block 6 and the second pulley block 10 below the second hoisting hole 3 and the fourth hoisting hole 5 at two ends of the side span steel beam to form an oblique lifting swing;

as shown in fig. 7, S7, the first pulley block 6 below the second hoisting hole 3 and the fourth hoisting hole 5 is respectively hoisted to the side span steel beam, the second pulley block 10 is slowly tightened, the first pulley block 6 on the second hoisting hole 3 and the fourth hoisting hole 5 is respectively slowly lowered, the second transverse bridge-direction hoisting of the side span steel beam is completed, and the side span steel beam is installed to the design position. From this structure, 12 segmental swinging hoists of completion girder steel that can be quick, and whole process efficiency of construction is high, and is safe convenient.

In the preferred scheme, in the process of S3-S7, the gravity center of the hoisting device is kept stable and hoisted on a hoisting point which is symmetrical relative to the gravity center of the load. By the structure, the whole stress is more balanced, and the gravity center stability in the load moving process is ensured.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (10)

1. The utility model provides a cable-stay bridge girder steel segment swings and moves device which characterized by: the lifting and swinging system comprises a first lifting and swinging system (1) and a second lifting and swinging system (8), wherein the first lifting and swinging system (1) is provided with a first lifting power unit (101) and a first swinging unit (102), the first lifting power unit (101) comprises a plurality of first windlasses (103) which are arranged oppositely, the first windlasses (103) are arranged at the upper end of an upper cross beam (7), the first swinging unit (102) is provided with a plurality of first pulley blocks (6), the first pulley blocks (6) are positioned below the upper cross beam (7), the first pulley blocks (6) are connected with the first windlasses (103) through steel cables (15), the second lifting and swinging system (8) is provided with a second lifting power unit (801) and a second swinging unit (802), the second lifting power unit (801) comprises a plurality of second windlasses (803) which are arranged oppositely, and the second windlasses (803) are arranged on a main beam (16), the second swinging unit (802) is provided with a plurality of second pulley blocks (10), the second pulley blocks (10) are positioned on the middle tower column (17), the second pulley blocks (10) are connected with a second hoisting power unit (801) through steel cables (15), and a third pulley block (804) of a third pulley block (804) is positioned on one side of a second winch (803);

a plurality of through holes symmetrically penetrate through the upper cross beam (7), a first sleeve (18) is fixedly arranged in each through hole, and a guide piece (13) is rotatably arranged in each first sleeve (18).

2. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 1, wherein: the through-hole includes first hole for hoist (2), second hole for hoist (3), third hole for hoist (4), fourth hole for hoist (5), and first hole for hoist (2), second hole for hoist (3), third hole for hoist (4), fourth hole for hoist (5) are located the entablature (7) outside respectively, and well column (17) inboard is equipped with a plurality of well column anchor points (9) relatively, and second assembly pulley (10) set up on well column anchor point (9).

3. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 1, wherein: the self-adaptive device (14) is hinged to the second sleeve (19) through a fixing plate (1410), the guide piece (13) is rotatably arranged in the second sleeve (19), the self-adaptive devices (14) are respectively arranged on one sides of the first winch (103) and the second winch (803), and the guide piece (13) is sleeved on the steel cable (15).

4. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 3, wherein: the guide piece (13) comprises a supporting cylinder (1301), contact heads (1302) are arranged on two sides of each contact head (1302), and a plurality of cleaning balls (1303) are distributed on the inner wall of the supporting cylinder (1301) along the axial direction.

5. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 3, wherein: the self-adaptive device (14) comprises a base (1401), a stand column (1402) is arranged in the middle of the base (1401), a first threaded hole (1406) is formed in one side of the stand column (1402), the stand column (1402) is in threaded connection with a limiting nail (1407), a rotating frame (1403) and a spring (1404) are sleeved on the stand column (1402), the spring (1404) is located between the rotating frame (1403) and the base (1401), a limiting step (1405) is arranged on the rotating frame (1403), the limiting step (1405) abuts against the limiting nail (1407), the limiting step (1405) is connected with a cover plate (1408) through a locking nail (1412), a first counter bore (1418) and a second counter bore (1419) are formed in the inner side of the cover plate (1408), the diameter of the second counter bore (1419) is larger than that of the first counter bore (1418), a support (1409) penetrates through the first counter bore (1418), and a limiting disc (1416) is connected with the second counter bore (1419) through the fixing nail (1417), the lower end of the bracket (1409) is abutted against the limiting disc (1416).

6. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 5, wherein: the runing rest (1403) bilateral symmetry is equipped with lantern ring (1411), lantern ring (1411) internal diameter and base (1401) external diameter phase-match, spacing step (1405) evenly is equipped with a plurality of second screw hole (1413), apron (1408) evenly is equipped with a plurality of connecting hole (1414), second screw hole (1413) diameter and connecting hole (1414) diameter phase-match, support (1409) are including two fagging (1415) of relative setting, fagging (1415) are articulated through staple (1421) and fixed plate (1410), fixed plate (1410) are located between two fagging (1415).

7. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 1, wherein: the number of the first winches (103) is 4, and the number of the second winches (803) is 4.

8. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 4, wherein: the plurality of cleaning balls (1303) are arranged spirally in the axial direction.

9. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 5, wherein: the base (1401) is provided with a supporting column (1425), the supporting column (1425) is in threaded connection with one side of an adjusting sleeve (1422), the other side of the adjusting sleeve (1422) is in threaded connection with the upright column (1402), and a supporting table (1423) is arranged on the outer side of the adjusting sleeve (1422).

10. The device for swinging and moving steel beam segments of a cable-stayed bridge as claimed in claim 9, wherein: a clamping groove (1424) is formed in the supporting platform (1423), and the inner size of the clamping groove (1424) is matched with the shape of the spring (1404).

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