CN208594488U - Bridge Rotation Construction Technique goes up and down swivel component - Google Patents

Abstract

The utility model discloses a kind of Bridge Rotation Construction Technique lifting swivel component, including balance lifting seat, which is equipped with swivel seat；Balance lifting seat includes lifting base, which is equipped with jacking component, which includes centre lifting-up creeping part, is evenly distributed with multiple groups around the centre lifting-up creeping part and stablizes jacking part；Turning seat includes the upper pedestal and lower base being rotatably assorted, and electromagnetism power-assisted component is provided between upper pedestal and lower base, and lower base is fallen on centre lifting-up creeping part and all stable jacking parts.Using the utility model has the beneficial effects that, the convenient top lifting force by multiple stable jacking parts on adjustment lifting seat, maintain the balance of bridge rotating, electromagnetism power-assisted component, rolling support body and roller anti-deflection mechanism reduce the frictional force turned between seat and lower swivel seat simultaneously, help to improve the balance of rotor system, the convenience of reliability and rotator construction.

Description

Bridge Rotation Construction Technique goes up and down swivel component

Technical field

The utility model relates to a kind of devices of Bridge Rotation Construction Technique method, and in particular to a kind of Bridge Rotation Construction Technique lifting turn Body component.

Background technique

The construction of bridge rotating method refer to deviate design position by bridge pour or it is assembled shape, then by power by bridge A kind of beam rotation construction method in place.This method can overcome landform to limit, and construction does not influence traffic, facilitate prefabricated, construction Rapidly, it thus has been more and more widely used.For horizontally rotating the bridge of construction, the key of construction by swing is bridge Horizontal swing system, it includes lifting device, swivel seat and balance system.Lifting device is used in combination with swivel seat, to bridge Beam swivel is jacked, and when bridge rotating is rotated to predetermined position, the piston rod retraction of lifting device turns to be detached from bridge Lifting device and swivel seat are removed recycling by body.During practice of construction, since the weight of rotor can not be accurately calculated or be deposited In construction error, body weight imbalance is rotated, may cause rotor inclination, construction even rotation is influenced and fails, work as front axle beam Rotor is even more than ten thousand tons, higher and higher to the load-bearing property of rotor system, balance quality requirement, and requires to reduce as far as possible Rotary resistance, and indented material is not met by requirement.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of Bridge Rotation Construction Technique lifting swivel component.

Technical solution is as follows: a kind of Bridge Rotation Construction Technique lifting swivel component, it is critical that include balance lifting seat, The balance lifting seat is equipped with swivel seat；The balance lifting seat includes lifting base, which is equipped with jacking component, The jacking component includes centre lifting-up creeping part, is evenly distributed with multiple groups around the centre lifting-up creeping part and stablizes jacking part；The swivel seat Including the upper pedestal and lower base being rotatably assorted, the lower base falls in the centre lifting-up creeping part and all stable jacking parts On.Using the above design, it the advantage is that centre lifting-up creeping part carries main weight, multiple stable jacking parts, which are distributed around it, to be held Remaining weight is carried on a shoulder pole, the top lifting force of single or multiple stable jacking parts can be adjusted respectively as needed, to guarantee on lifting seat The balance of the swivel seat and bridge rotating of carrying.

As optimal technical scheme, electromagnetism power-assisted component, the seat of honour are respectively equipped on above-mentioned upper pedestal and lower base The electromagnetism power-assisted component face of the electromagnetism power-assisted component of body and lower base setting and mutually exclusive.It is designed using above, Advantage is that the repulsive force between the electromagnetism power-assisted component on upper and lower pedestal is able to bear part upper pedestal to the pressure of lower base Power reduces frictional force to reduce the pressure on two practical contact surfaces of pedestal, is conducive to rotation construction.

As optimal technical scheme, above-mentioned centre lifting-up creeping part include it is multiple be set side by side central hydraulic cylinder, it is all it is described in The piston rod of heart hydraulic cylinder is connected with the same central synchronous jacking disk after stretching out upwards；The stable jacking part include it is multiple simultaneously The stabilizing solution cylinder pressure for arranging setting, the piston rod for stablizing all stabilizing solution cylinder pressures in jacking part described in same group stretch out upwards After be connected with the same stable synchronization of jacking up disk, the upper surface of the stable synchronization of jacking up disk is provided with pressure measuring element.It adopts It with the above design, the advantage is that the structure of multiple hydraulic cylinders can increase the top lifting force of jacking part, while jacking part improving Reliability；Pressure measuring element, which is arranged, can be convenient for measuring pressure suffered on each jacking part, provide to adjust each jacking part Foundation.

As optimal technical scheme, the edge of above-mentioned lifting base is equipped with the limit stabilizers that a circle upwardly extends, the limit It is formed to go up and down inside the stabilizers of position and stablizes cavity；The central hydraulic cylinder and stabilizing solution cylinder pressure point are corresponded on the lifting base Not She You cylinder barrel nesting room, the top of the cylinder barrel nesting room is pierced by the upper surface of the lifting base, the central hydraulic cylinder Cylinder barrel and the cylinder barrel of stabilizing solution cylinder pressure are fixed respectively to be nested in the nested interior of the corresponding cylinder barrel.It is excellent using the above design Point is that limit stabilizers, which are arranged, can facilitate installation rotation pedestal, and limits the position of rotation pedestal, prevents its sliding, passes through Setting cylinder barrel nesting interior can easily and reliably install each hydraulic cylinder.

As optimal technical scheme, the lower surface of above-mentioned upper pedestal is equipped with rotation spherical crown, and the lower base upper surface is equipped with The adaptable spherical crown chamber with the rotation spherical crown, it is intracavitary that the rotation spherical crown falls within the spherical crown, in the upper pedestal and lower seat Cyclic annular rolling support body and cyclic annular anti-bias part are equipped between body；Ring is equipped with around the spherical crown chamber in the upper surface of the lower base Shape rolling groove, the ring-type rolling support body are set in the ring-type rolling groove, and the lower surface of the upper pedestal falls in the ring-type On rolling support body.Using the above design, it the advantage is that spherical cap structure bearing capacity is strong, can be dropped using cyclic annular rolling support body Low-frictional force, cyclic annular anti-bias part play position-limiting action, prevent seat of honour solid offsetting in rotation process.

As optimal technical scheme, above-mentioned lower base is equipped with the cylindrical portion to raise upward, the spherical crown chamber and cyclic annular rolling Slot is separately positioned on the upper surface of the cylindrical portion, is equipped with cyclic annular anti-bias slot, the ring-type in the outer wall circumferential direction of the cylindrical portion Anti-bias part is located in the anti-bias slot of the ring-type；The lower surface of the upper pedestal around the rotation spherical crown be equipped with it is cyclic annular deviate against Part, the ring-type deviate the rounded sleeve-shaped of supporter, and the convex cylindrical portion of the lower base is located at the cyclic annular offset supporter It is interior；Cyclic annular scrollable area is formed between the rotation spherical crown and cyclic annular offset supporter, the ring-type rolling support body is located at the ring In shape scrollable area.Using the above design, it the advantage is that the counter structure between upper pedestal and lower base cooperates, structure cloth Office is rationally.

As optimal technical scheme, above-mentioned ring-type rolling support body includes swivel roller, in the cyclic annular rolling groove inner ring To multiple swivel rollers are equipped with, the swivel roller is in a circular table shape, and the miner diameter end of the swivel roller is towards the ball It is preced with chamber, the swivel roller stretches out the notch of the cyclic annular rolling groove, and the periphery of the swivel roller is rolled along the ring-type The slot bottom of slot rolls, and the lower surface of the upper pedestal is fallen on the swivel roller；The anti-bias part of ring-type is anti-bias roller, Circumferential in the anti-bias slot of ring-type to have multiple anti-bias rollers respectively, the anti-bias roller is vertically arranged, the anti-bias roller The notch of the anti-bias slot of ring-type is stretched out, the periphery of the anti-bias roller deviates the inner wall of supporter along the ring-type of tubular It rolls.

Using the above design, it the advantage is that swivel roller position restriction in cyclic annular rolling groove, avoids slipping；Anti-bias roller It is rolling friction, meet limit function while drop small compared with force of sliding friction between wheel and the inner wall of cyclic annular offset supporter Low rotation friction；It turns roller and anti-bias roller and continuous guiding function is played to pedestal rotation process jointly.

As optimal technical scheme, above-mentioned electromagnetism power-assisted component includes annular mounting base, the either end of the annular mounting base Face ring shape array distribution has magnet jack, is inserted with electromagnet respectively in each magnet jack；

The electromagnetism power-assisted component further includes annular cover plate, which covers all magnet jacks；

It is equipped with annular groove in the either end facet of the annular mounting base, the slot bottom annular array of the annular groove is distributed with The magnet jack；

The annular cover plate is fastened in the annular groove, and the cell wall of the annular cover plate and the annular groove is viscous It closes；

The annular mounting base includes annular chassis, and the either end facet of the annular chassis is fixed with annular base body, the ring Connected in star is provided with the annular base body on the end face of the annular chassis, and the inward flange of the annular chassis prolongs inwardly It stretches, the outer edge of the annular chassis extends outward, on the interior extension and outer extensions of the annular chassis respectively Equipped with pedestal fixation hole.

Using the above design, it the advantage is that and all electromagnet are assembled into an entirety, facilitate its disposable installation Onto upper pedestal or lower base.

As optimal technical scheme, above-mentioned electromagnet includes outer housing, is equipped with coil windings in the outer housing, the coil around Be inserted with iron core in group, set on the outer housing there are two floating electrode component, two floating electrode components respectively with Two terminals of the coil windings connect；

The floating electrode component includes insulating coating cylinder, which is threaded through the wall of the outer housing On, anticreep inner ring is protruded into the outer housing and be equipped in the inner end of the insulating coating cylinder, and institute is stretched out in the outer end of the insulating coating cylinder Anticreep outer ring is stated outside outer housing and be equipped with, is cased with return on the insulating coating cylinder between the anticreep outer ring and the outer housing outer wall Pressure spring is embedded with conductive electrode, the inner end of conductive electrode conducting wire corresponding with the coil windings in the insulating coating cylinder admittedly Connector connection, the outer end of the insulating coating cylinder is stretched out in the outer end of the conductive electrode；

The outer housing includes drum, and the bottom of the drum is embedded with lower bolster, which is equipped with iron core jack, described In the iron core jack, the opening of the drum is covered with bung for the bottom of iron core, the edge of the bung and the drum Bonding, the inner wall of the bung are equipped with briquetting, which contacts with the coil windings and iron core, set that there are two electric on the bung Pole jack is inserted with the insulating coating cylinder in two electrode jacks respectively；

The inner face of the annular cover plate is set there are two conductive copper, and two conductive copper internal and external partitions are arranged；

The floating electrode component of two of the same electromagnet is corresponding with two conductive coppers respectively, described The outer end in contact of conductive copper and the corresponding conductive electrode；

Two conductive coppers are connected separately with conducting wire, and the conducting wire is pierced by the annular cover plate.

Using the above design, it the advantage is that packaged type electromagnet structure is secured, annular cover plate covers all electromagnet It in annular groove, plays a protective role, while the conductive copper of inside is against the close annular mounting base center of circle of all electromagnet Conductive electrode, the conductive electrode of the conductive copper in outside against all electromagnet far from the annular mounting base center of circle, thus by institute There is electromagnet to be parallel on a circuit, the convenient conducting wire that passes through is the power supply of all electromagnet；Also, floating electrode component is set Meter adaptively contacts so that being formed between conductive copper and conductive electrode, and conductive effect is good.

As optimal technical scheme, it is respectively equipped in the lower surface of the upper pedestal and the upper surface of the lower base The electromagnetism power-assisted component, wherein the top electromagnetism power-assisted component is upper power-assisted component, the electromagnetism power-assisted component of lower section For lower power-assisted component；

Wherein the annular mounting base of upper power-assisted component is arranged around the offset supporter, and annular chassis passes through across institute The bolt stated in pedestal fixation hole is connected and fixed with the upper pedestal, and magnet jack openings are downward；

The annular mounting base of the lower power-assisted component is arranged around the cylindrical portion, and annular chassis is by passing through the seat Bolt in body fixation hole is connected and fixed with the lower base, and magnet jack openings are upward；

The magnet jack of the magnet jack of the upper power-assisted component and the lower power-assisted component corresponds up and down.

Using the above design, after the advantage is that above-mentioned mounting means makes power-assisted component and lower power-assisted component be powered, Repulsive interaction between the two is most strong, and the stable connection of electromagnetism power-assisted component and upper pedestal or lower base, is conducive to electromagnetism reprimand The conduction of power.

The utility model has the advantages that using the utility model has the beneficial effects that convenient by multiple steady on adjustment lifting seat Surely the top lifting force for jacking part maintains the balance of bridge rotating, while anti-using electromagnetism power-assisted component, rolling support body and roller Deflection mechanism can reduce swivel seat and it is lower swivel seat between frictional force, help to improve rotor system balance, can By the convenience of property and rotator construction.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is balance lifting seat schematic diagram；

Fig. 3 is balance lifting seat overlooking structure diagram；

Fig. 4 is swivel holder structure schematic diagram；

Fig. 5 is the structural schematic diagram of upper pedestal；

Fig. 6 is the bottom view of upper pedestal；

Fig. 7 is the structural schematic diagram of lower base；

Fig. 8 is the top view of lower base；

Fig. 9 is the structural schematic diagram after electromagnetism power-assisted assembly removal annular cover plate；

Figure 10 is the enlarged drawing of m in Fig. 9；

Figure 11 is the structural schematic diagram of electromagnet；

Figure 12 is B-B ' cross-sectional view in Figure 11；

Figure 13 is the structural schematic diagram of the electromagnetism power-assisted component with annular cover plate；

Figure 14 is the enlarged drawing of n in Figure 13；

Figure 15 is the sectional view of A-A ' in Figure 13.

Specific embodiment

Below with reference to embodiment and attached drawing, the utility model is described in further detail.

As shown in Figure 1, a kind of Bridge Rotation Construction Technique goes up and down swivel component, including balance lifting seat b, balance lifting seat b It is equipped with swivel seat a.

As Figure 2-3, the balance lifting seat b includes lifting base b1, and lifting base b1 is equipped with jacking component, The jacking component includes centre lifting-up creeping part b2, is evenly distributed at least 4 groups around centre lifting-up creeping part b2 and stablizes jacking part b3；Institute State centre lifting-up creeping part b2 include it is multiple central hydraulic cylinder is set side by side, after the piston rod of all central hydraulic cylinders stretches out upwards It is connected with the same central synchronous jacking disk b5；The stable jacking part b3 includes multiple stabilizing solution cylinder pressures being set side by side, together The piston rod of all stabilizing solution cylinder pressures in stable jacking part b3 described in one group is connected with the same stabilization after stretching out upwards Synchronization of jacking up disk b6, the stable jacking part b3 are connected separately with pressure measuring element b4, and pressure measuring element b4 is pressure The upper surface of the stable synchronization of jacking up disk b6 is arranged in sensor.

The stable jacking part b3 is at least 4 groups, and the stable jacking part b3 is equal centered on the centre lifting-up creeping part b2 Even distribution；The central hydraulic cylinder and stabilizing solution cylinder pressure are corresponded on the lifting base b1 is respectively equipped with the nested room of cylinder barrel, it should The top of cylinder barrel nesting room is pierced by the upper surface of the lifting base b1, the cylinder barrel of the central hydraulic cylinder and stabilizing solution cylinder pressure Cylinder barrel is fixed respectively to be nested in the corresponding nested interior of the cylinder barrel；The edge of the lifting base b1 is equipped with a circle and upwardly extends Limit stabilizers b7, formed to go up and down inside limit stabilizers b7 and stablize cavity.

As shown in figure 4, the swivel seat a includes the upper pedestal a9 being rotatably assorted and lower base a1, the lower base a1 is fallen On the centre lifting-up creeping part b2 and all stable jacking part b3, it is respectively equipped on the upper pedestal a9 and lower base a1 Face is set the electromagnetism power-assisted component of electromagnetism power-assisted component, the electromagnetism power-assisted component of the upper pedestal a9 and the lower base a1 up and down It sets and mutually exclusive.

As shown in Fig. 4,5 and 6, the lower surface of the upper pedestal a9 is equipped with rotation spherical crown a10, the lower base a1 be equipped with to The cylindrical portion of upper protrusion is equipped with adaptable with rotation spherical crown a10 spherical crown chamber a2 in the upper surface of the cylindrical portion, described Rotation spherical crown a10 is fallen in the spherical crown chamber a2.To reduce frictional force, a strata tetrafluoroethene is equipped in the spherical crown chamber a2 Plate.

Cyclic annular offset supporter a8, the ring-type are equipped with around the rotation spherical crown a10 in the lower surface of the upper pedestal a9 The rounded sleeve-shaped of supporter a8 is deviated, the lower base a1 convex cylindrical portion is located in the cyclic annular offset supporter a8.

Cyclic annular scrollable area is formed between the rotation spherical crown a10 and cyclic annular offset supporter a8, in the ring-type scrollable area Equipped with cyclic annular rolling support body, which is folded between the upper pedestal a9 and lower base a1.Specifically, exist It is equipped with cyclic annular rolling groove a5 around the spherical crown chamber a2 on the upper surface of the cylindrical portion, the ring-type rolling support body is set to should In cyclic annular rolling groove a5, the lower surface of the upper pedestal a9 is fallen on the cyclic annular rolling support body.

As shown in Fig. 4,7 and 8, it further includes retainer a7, the holding that the ring-type rolling support body, which includes swivel roller a3, Frame a7 includes interior ring framework and outer ring framework, and the swivel roller a3 is described between the interior ring framework and outer ring framework The both ends of swivel roller a3 pass through rolling axle respectively and connect with the interior ring framework and outer ring framework, two adjacent swivels It is equipped between roller a3 and reinforces skeleton, which connect with the interior ring framework and outer ring framework, in the cyclic annular rolling Circumferential direction is equipped with multiple swivel roller a3 in slot a5, and the swivel roller a3 stretches out the notch of the cyclic annular rolling groove a5, The periphery of the swivel roller a3 is rolled along the slot bottom of the cyclic annular rolling groove a5, and the lower surface of the upper pedestal a9 falls in institute It states on swivel roller a3, the swivel roller a3 is in a circular table shape, and the miner diameter end for turning roller a3 is towards the spherical crown chamber a2.

Cyclic annular anti-bias part a4 is additionally provided between the upper pedestal a9 and lower base a1.Specifically, in the cylindrical portion Outer wall circumferential direction is equipped with cyclic annular anti-bias slot a6, and the anti-bias part a4 of ring-type is located in the anti-bias slot a6 of the ring-type.Specifically, the ring-type Anti-bias part a4 is anti-bias roller, and circumferential direction is respectively equipped with multiple anti-bias rollers in the anti-bias slot a6 of the ring-type, described anti-bias Roller is vertically arranged, and the anti-bias roller stretches out the notch of the anti-bias slot a6 of the ring-type, and the periphery of the anti-bias roller is along cylinder The inner wall of the cyclic annular offset supporter a8 of shape rolls.

The electromagnetism power-assisted group is respectively equipped in the lower surface of the upper pedestal a9 and the upper surface of the lower base a1 Part, wherein the top electromagnetism power-assisted component is upper power-assisted component, the electromagnetism power-assisted component of lower section is lower power-assisted component.

As shown in Fig. 6,8, the electromagnetism power-assisted component includes annular mounting base f1, the annular installation of the upper power-assisted component Seat f1 is arranged around the offset supporter a8, and the annular mounting base f1 of the lower power-assisted component is arranged around the cylindrical portion.

As shown in Figures 9 and 10, the annular mounting base f1 includes annular chassis f12, the either end facet of annular chassis f12 It is fixed with annular base body f13.Annular groove is offered on the end face of the annular chassis f12 in the annular base body f13 f11.The inward flange of the annular chassis f12 extends inwardly, and the outer edge of the annular chassis f12 extends outward, in institute It states and is respectively equipped with pedestal fixation hole on the interior extension and outer extensions of annular chassis f12, for pacifying electromagnetism power-assisted component It is attached to the upper pedestal a9 or lower base a1.

Magnet jack f2 is distributed in the slot bottom annular array of the annular groove f11, divides in each magnet jack f2 It is not inserted with electromagnet g.

As shown in FIG. 11 and 12, the electromagnet g includes outer housing g1, and outer housing g1 includes drum g11, the drum The opening of g11 is covered with bung g13, and the edge of bung g13 and the drum g11 are bonded.

It is equipped with coil windings g2 in the outer housing g1, is inserted with iron core g3 in coil windings g2, for convenience of installing, institute The bottom for stating drum g11 is equipped with iron core jack embedded with lower bolster g12, lower bolster g12, and the bottom of the iron core g3 is embedded in should In iron core jack.

The inner wall of the bung g13 is equipped with briquetting g14, and briquetting g14 is contacted with the coil windings g2 and iron core g3, institute It states and is set on bung g13 there are two electrode jack, worn in the electrode jack there are two floating electrode component g4, two described floating Moving electrode component g4 is connect with two terminals of the coil windings g2 respectively.

The floating electrode component g4 includes insulating coating cylinder g41, which is threaded through described in two In electrode jack, the inner end of insulating coating cylinder g41 protrudes into the bung g13 inner face and is equipped with anticreep inner ring g42, the insulation The outer end of outer sleeve g41 stretches out the outer end face of the bung g13 and is equipped with anticreep outer ring g43, the anticreep outer ring g43 and the bucket Recoil press spring g44 is cased on the insulating coating cylinder g41 covered between the outer end face of g13, solid be embedded with is led in the insulating coating cylinder g41 Electrode g45, the terminal connection corresponding with the coil windings g2 of the inner end of conductive electrode g45, conductive electrode g45 Outer end stretch out the outer end of the insulating coating cylinder g41.

As shown in FIG. 10 and 11, the outer wall of the drum g11 is set there are two locating piece g5, the company of two locating piece g5 Line passes through the center of the drum g11, and two electrode jacks are respectively close to two locating piece g5.The magnet jack Corresponding two locating piece g5 are respectively equipped with locating piece slot f21 on the hole wall of f2, and the locating piece slot f21 is worn outward Out, two locating piece g5 are fallen in the corresponding locating piece slot f21.

The drum g11 and lower bolster g12 is insulating materials；Two locating piece g5 and drum g11 one Molding.

As shown in Figure 13,14 and 15, the electromagnetism power-assisted component further includes annular cover plate f3, and annular cover plate f3 covers institute There is the magnet jack f2；The annular cover plate f3 is fastened in the annular groove f11, the annular cover plate f3 and the ring The cell wall of connected in star f11 bonds.

The inner face of the annular cover plate f3 is set there are two conductive copper f4, and two conductive copper f4 internal and external partitions are set It sets；The floating electrode component g4 of two of the same electromagnet g is corresponding with two conductive copper f4 respectively, described The outer end in contact of conductive copper f4 and the corresponding conductive electrode g45.

Two conductive copper f4 are connected separately with conducting wire f5, and the conducting wire f5 is pierced by the annular cover plate f3.

The annular chassis f12 of the upper power-assisted component is by passing through bolt and the upper pedestal in the pedestal fixation hole A9 is connected and fixed, and magnet jack f2 is opening down；The annular chassis f12 of the lower power-assisted component is solid by passing through the pedestal The bolt determined in hole is connected and fixed with the lower base a1, and magnet jack f2 is opening up；The magnet of the upper power-assisted component The magnet jack f2 or more of jack f2 and the lower power-assisted component is corresponded.

As lifting device, the centre lifting-up creeping part b2 of balance lifting seat b carries main weight, multiple stable jacking part b3 It is distributed around it and undertakes remaining weight, in lifting process, according to the data that pressure measuring element b4 is measured, construction personnel being capable of root According to the top lifting force for needing to adjust single or multiple stable jacking parts respectively, to guarantee the swivel seat a carried on lifting seat and bridge The balance of beam swivel.It is electromagnetism power-assisted assembly power supply by conducting wire f5 when preparing rotation bridge rotating.Same electromagnetism power-assisted component Two conductive copper f4 all electromagnet g are in parallel, when energization, upper power-assisted component and lower power-assisted component it is of the same name Magnetic pole is opposite, and the repulsive force of generation can reduce the pressure on the contact surface of upper pedestal and lower base, to reduce frictional force.

Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make Multiple similar expressions, such transformation are each fallen within the protection scope of the utility model.

Claims (10)

1. a kind of Bridge Rotation Construction Technique goes up and down swivel component, it is characterised in that: including balance lifting seat (b), the balance lifting seat (b) it is equipped with swivel seat (a)；

The balance lifting seat (b) includes lifting base (b1), which is equipped with jacking component, the jacking component Including centre lifting-up creeping part (b2), multiple groups are evenly distributed with around the centre lifting-up creeping part (b2) and stablize jacking part (b3)；

Swivel seat (a) includes the upper pedestal (a9) and lower base (a1) being rotatably assorted, and the lower base (a1) falls in described On centre lifting-up creeping part (b2) and all stable jackings part (b3).

2. Bridge Rotation Construction Technique according to claim 1 goes up and down swivel component, it is characterised in that: at the upper pedestal (a9) With electromagnetism power-assisted component, the electromagnetism power-assisted component and the lower base of the upper pedestal (a9) are respectively equipped on lower base (a1) (a1) electromagnetism power-assisted component face setting and it is mutually exclusive.

3. Bridge Rotation Construction Technique according to claim 1 or 2 goes up and down swivel component, it is characterised in that: the centre lifting-up creeping Part (b2) include it is multiple central hydraulic cylinder is set side by side, the piston rod of all central hydraulic cylinders is connected with together after stretching out upwards One central synchronous jacks disk (b5)；

Stable jacking part (b3) includes multiple stabilizing solution cylinder pressures being set side by side, and is stablized in jacking part (b3) described in same group All stabilizing solution cylinder pressures piston rod stretch out upwards after be connected with the same stable synchronization of jacking up disk (b6), in the stabilization The upper surface of synchronization of jacking up disk (b6) is provided with pressure measuring element (b4).

4. Bridge Rotation Construction Technique according to claim 3 goes up and down swivel component, it is characterised in that: the lifting base (b1) Edge be equipped with the limit stabilizers (b7) that upwardly extend of circle, formed to go up and down inside the limit stabilizers (b7) and stablize cavity；

The central hydraulic cylinder and stabilizing solution cylinder pressure are corresponded on the lifting base (b1) is respectively equipped with the nested room of cylinder barrel, the cylinder The top of the nested room of cylinder is pierced by the upper surface of the lifting base (b1), the cylinder barrel of the central hydraulic cylinder and stabilizing solution cylinder pressure Cylinder barrel is fixed respectively to be nested in the corresponding nested interior of the cylinder barrel.

5. Bridge Rotation Construction Technique according to claim 2 goes up and down swivel component, it is characterised in that: the upper pedestal (a9) Lower surface is equipped with rotation spherical crown (a10), and the lower base upper surface (a1) is equipped with the ball adaptable with rotation spherical crown (a10) Be preced with chamber (a2), it is interior that the rotation spherical crown (a10) falls within the spherical crown chamber (a2), the upper pedestal (a9) and lower base (a1) it Between be equipped with cyclic annular rolling support body and cyclic annular anti-bias part (a4)；

Cyclic annular rolling groove (a5), the cyclic annular rolling are equipped with around the spherical crown chamber (a2) in the upper surface of the lower base (a1) Supporter is set in the ring-type rolling groove (a5), and the lower surface of the upper pedestal (a9) is fallen on the cyclic annular rolling support body.

6. Bridge Rotation Construction Technique according to claim 5 goes up and down swivel component, it is characterised in that: the lower base (a1) sets There is the cylindrical portion to raise upward, the spherical crown chamber (a2) and cyclic annular rolling groove (a5) are separately positioned on the upper end of the cylindrical portion Face is equipped with cyclic annular anti-bias slot (a6) in the outer wall circumferential direction of the cylindrical portion, and it is anti-bias that the anti-bias part of ring-type (a4) is located at the ring-type In slot (a6)；

Cyclic annular offset supporter (a8), the ring are equipped with around the rotation spherical crown (a10) in the lower surface of the upper pedestal (a9) Shape deviates supporter (a8) rounded sleeve-shaped, and the convex cylindrical portion of the lower base (a1) is located at the cyclic annular offset supporter (a8) in；

Cyclic annular scrollable area, the ring-type rolling support are formed between the rotation spherical crown (a10) and cyclic annular offset supporter (a8) Body is located in the ring-type scrollable area.

7. Bridge Rotation Construction Technique according to claim 6 goes up and down swivel component, it is characterised in that: the ring-type rolling support Body includes swivel roller (a3), is equipped with multiple swivel rollers (a3) in described cyclic annular rolling groove (a5) interior circumferential direction, described Turn that roller (a3) is in a circular table shape, the miner diameter end of swivel roller (a3) is towards the spherical crown chamber (a2), the swivel roller (a3) notch of the cyclic annular rolling groove (a5) is stretched out, the periphery of swivel roller (a3) is along the cyclic annular rolling groove (a5) Slot bottom roll, the lower surface of the upper pedestal (a9) is fallen on the swivel roller (a3)；

The anti-bias part of ring-type (a4) is anti-bias roller, and circumferential direction has multiple described anti-bias respectively in the anti-bias slot of ring-type (a6) Roller, the anti-bias roller is vertically arranged, and the anti-bias roller stretches out the notch of the anti-bias slot of ring-type (a6), the anti-bias roller The periphery of wheel is rolled along the inner wall of cyclic annular offset supporter (a8) of tubular.

8. Bridge Rotation Construction Technique according to claim 7 goes up and down swivel component, it is characterised in that: the electromagnetism power-assisted component Including annular mounting base (f1), magnet jack (f2) is distributed in the either end facet annular array of the annular mounting base (f1), each It is inserted with electromagnet (g) respectively in the magnet jack (f2)；

The electromagnetism power-assisted component further includes annular cover plate (f3), which covers all magnet jacks (f2)；

It is equipped with annular groove (f11) in the either end facet of the annular mounting base (f1), the slot bottom annular of the annular groove (f11) Array distribution has the magnet jack (f2)；

The annular cover plate (f3) is fastened in the annular groove (f11), the annular cover plate (f3) and the annular groove (f11) cell wall bonding；

The annular mounting base (f1) includes annular chassis (f12), and the either end facet of the annular chassis (f12) is fixed with annular seating Body (f13), the annular groove (f11) are provided with the end face of the annular base body (f13) backwards to the annular chassis (f12) On, the inward flange of the annular chassis (f12) extends inwardly, and the outer edge of the annular chassis (f12) extends outward, Pedestal fixation hole is respectively equipped on the interior extension and outer extensions of the annular chassis (f12).

9. Bridge Rotation Construction Technique according to claim 8 goes up and down swivel component, it is characterised in that: electromagnet (g) packet Outer housing (g1) is included, is equipped with coil windings (g2) in the outer housing (g1), is inserted with iron core (g3) in the coil windings (g2), Set on the outer housing (g1) there are two floating electrode component (g4), two floating electrode components (g4) respectively with the line Enclose two terminals connection of winding (g2)；

The floating electrode component (g4) includes insulating coating cylinder (g41), which is threaded through described outer On the wall of shell (g1), the inner end of the insulating coating cylinder (g41) is protruded into the outer housing (g1) and is equipped with anticreep inner ring (g42), the outer end of the insulating coating cylinder (g41) stretches out the outer housing (g1) outside and is equipped with anticreep outer ring (g43), outside the anticreep Recoil press spring (g44), the insulation are cased on insulating coating cylinder (g41) between ring (g43) and the outer housing (g1) outer wall It is embedded with conductive electrode (g45) admittedly in outer sleeve (g41), the inner end of the conductive electrode (g45) is corresponding with the coil windings (g2) Terminal connection, the outer end of the insulating coating cylinder (g41) is stretched out in the outer end of the conductive electrode (g45)；

The outer housing (g1) includes drum (g11), and the bottom of the drum (g11) is embedded with lower bolster (g12), the lower bolster (g12) it is equipped with iron core jack, the bottom of the iron core (g3) is in the iron core jack, the opening of the drum (g11) It is covered with bung (g13), the edge and the drum (g11) of the bung (g13) bond, and the inner wall of the bung (g13) is equipped with pressure Block (g14), the briquetting (g14) are contacted with the coil windings (g2) and iron core (g3), set on the bung (g13) there are two electricity Pole jack is inserted with the insulating coating cylinder (g41) in two electrode jacks respectively；

The inner face of the annular cover plate (f3) is set there are two conductive copper (f4), two conductive copper (f4) internal and external partitions Setting；

The floating electrode component (g4) of two of the same electromagnet (g) is right with two conductive coppers (f4) respectively It answers, the outer end in contact of the conductive copper (f4) and the corresponding conductive electrode (g45)；

Two conductive coppers (f4) are connected separately with conducting wire (f5), and the conducting wire (f5) is pierced by the annular cover plate (f3).

10. Bridge Rotation Construction Technique according to claim 9 goes up and down swivel component, it is characterised in that: in the upper pedestal (a9) upper surface of lower surface and the lower base (a1) is respectively equipped with the electromagnetism power-assisted component, wherein described in top Electromagnetism power-assisted component is upper power-assisted component, and the electromagnetism power-assisted component of lower section is lower power-assisted component；

Wherein the annular mounting base (f1) of upper power-assisted component is arranged around the offset supporter (a8), annular chassis (f12) It is connected and fixed by passing through the bolt in the pedestal fixation hole with the upper pedestal (a9), magnet jack (f2) opening court Under；

The annular mounting base (f1) of the lower power-assisted component around the cylindrical portion be arranged, annular chassis (f12) by across Bolt in the pedestal fixation hole is connected and fixed with the lower base (a1), and magnet jack (f2) is opening up；

The magnet jack (f2) of the magnet jack (f2) of the upper power-assisted component and the lower power-assisted component corresponds up and down.