CN208748538U - Bridge Rotation Construction Technique magnetic power-assisted turns seat - Google Patents

Abstract

The utility model discloses a kind of Bridge Rotation Construction Technique magnetic power-assisted swivel seat, including the upper pedestal and lower base being rotatably assorted, it is respectively equipped with electromagnetism power-assisted component on the upper pedestal and lower base, the electromagnetism power-assisted component face setting of the electromagnetism power-assisted component and the lower base of the upper pedestal and mutually exclusive.Using the utility model has the beneficial effects that the repulsive force between electromagnetism power-assisted component 1 is able to bear part upper pedestal to the pressure of lower base, to reduce the pressure on two practical contact surfaces of pedestal, the frictional force between upper pedestal and lower base can be reduced on the whole, the stability of rotor system is improved, the difficulty of rotation operation is reduced.

Description

Bridge Rotation Construction Technique magnetic power-assisted turns seat

Technical field

The utility model relates to a kind of devices used in Bridge Rotation Construction Technique method, and in particular to a kind of bridge rotating is applied Work magnetic power-assisted turns seat.

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 turning hinge and balance system.In various turning hinges, at present steel ball hinge, steel plate hinge and combination hinge etc. three Kind with more, wherein steel ball hinge have many advantages, such as bearing capacity is big, machining accuracy is high, simple installation, rotate it is flexible, with wide It is general.Balance system plays Auxiliary support and Balanceregulation, it is generally made of support foot, circuit and safety pole.Practice of construction mistake Cheng Zhong, since the weight of rotor can not accurately calculate or there are construction error, rotating body weight imbalance leads to rotation process Middle support foot or safety pole block rotor, thus very high to support system and balance system requirement, especially when front axle beam rotates It is higher and higher to the load-bearing property of rotor system, balance quality requirement in the case that body tonnage is big, and require to reduce as far as possible and turn Dynamic 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 magnetic power-assisted swivel seat.

Technical solution is as follows: a kind of Bridge Rotation Construction Technique magnetic power-assisted swivel seat, it is critical that upper including being rotatably assorted Pedestal and lower base are respectively equipped with electromagnetism power-assisted component, the electromagnetism power-assisted of the upper pedestal on the upper pedestal and lower base The electromagnetism power-assisted component of component and the lower base up and down face setting and it is mutually exclusive.

Using the above design, it the advantage is that the repulsive force between upper pedestal, the electromagnetism power-assisted component on lower base can Part upper pedestal is born to the pressure of lower base, to reduce the pressure on two practical contact surfaces of pedestal, reduces frictional force, has Conducive to rotation constructing operation.

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；

It is equipped with cyclic annular rolling groove around the spherical crown chamber in the upper surface of the lower base, the ring-type rolling support body is set In in the ring-type rolling groove, the lower surface of the upper pedestal is fallen on the cyclic annular rolling support body.

Using the above design, it the advantage is that spherical cap structure bearing capacity is strong, it can will be traditional using cyclic annular rolling support body Sliding friction in swivel seated connection contacting surface is changed into rolling friction, reduces frictional force, and cyclic annular anti-bias part plays position-limiting action, anti-rotation stop Seat of honour solid offsetting during dynamic.

As optimal technical scheme, lower base described above is equipped with the cylindrical portion to raise upward, the spherical crown chamber and ring-type Rolling groove is separately positioned on the upper surface of the cylindrical portion, is equipped with cyclic annular anti-bias slot in the outer wall circumferential direction of the cylindrical portion, described Cyclic annular anti-bias part is located in the anti-bias slot of the ring-type；

Be equipped with cyclic annular offset supporter around the rotation spherical crown in the lower surface of the upper pedestal, the ring-type deviate against The rounded sleeve-shaped of part, the convex cylindrical portion of the lower base are located in the cyclic annular offset supporter；

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 In the ring-type scrollable area.

Using the above design, it the advantage is that the counter structure between upper pedestal and lower base cooperates, topology layout 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 stretches out the notch of the cyclic annular rolling groove, the swivel roller Periphery is rolled along the slot bottom of the cyclic annular rolling groove, and the lower surface of the upper pedestal is fallen on the swivel roller, and described turn Body roller is in a circular table shape, and the miner diameter end of the swivel roller is towards the spherical crown chamber；

The anti-bias part of ring-type is anti-bias roller, and circumferential direction is respectively equipped with multiple anti-bias rollers in the anti-bias slot of ring-type Wheel, the anti-bias roller is vertically arranged, and the anti-bias roller stretches out the notch of the anti-bias slot of ring-type, the circle of the anti-bias roller Circumferential surface is rolled along the inner wall of the cyclic annular offset supporter of tubular.

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 between wheel and the inner wall of cyclic annular offset supporter, it is small compared with force of sliding friction, it turns roller and anti-bias roller is common Continuous guiding function is risen to pedestal rotation process.

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.

Using the above design, it the advantage is that packaged type electromagnet facilitates installation and management.

As optimal technical scheme, above-mentioned floating electrode component includes insulating coating cylinder, which wears On the wall of the outer housing, anticreep inner ring is protruded into the outer housing and be equipped in the inner end of the insulating coating cylinder, outside the insulation The outer end of sleeve is stretched out outside the outer housing and is equipped with anticreep outer ring, the insulation between the anticreep outer ring and the outer housing outer wall It is cased with recoil press spring on outer sleeve, is embedded with conductive electrode, the inner end of the conductive electrode and the line admittedly in the insulating coating cylinder The corresponding terminal connection of winding is enclosed, 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.

Using the above design, it the advantage is that packaged type electromagnet structure is secured, and the design of floating type electrode is conducive to Adaptivity contacts between electrode and power supply component, has not only been avoided that electrode damage in rotation process, but also can guarantee good contact.

As optimal technical scheme, the outer wall of above-mentioned drum is set there are two locating piece, and the line of two locating pieces passes through The center of the drum is crossed, two electrode jacks are respectively close to two locating pieces；

Corresponding two locating pieces are respectively equipped with locating piece slot on the hole wall of the magnet jack, and the locating piece is inserted Slot is pierced by outward, and two locating pieces are fallen in the corresponding locating piece slot；

The drum and lower bolster are insulating materials；Two locating pieces and the drum are integrally formed.

Using the above design, the rotation for preventing electromagnet itself the advantage is that.

As optimal technical scheme, the inner face of above-mentioned annular cover plate is set there are two conductive copper, two conductive coppers The setting of ring internal and external partition；

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 all electromagnet are sealed in annular groove by annular cover plate, play protection Effect, while the conductive copper of inside is against the conductive electrode in the close annular mounting base center of circle of all electromagnet, the conduction in outside Conductive electrode of the copper ring against all electromagnet far from the annular mounting base center of circle, so that all electromagnet are parallel to a circuit On, the convenient conducting wire that passes through is the power supply of all electromagnet；In addition, the design of floating electrode component, so that conductive copper and conduction electricity Adaptive contact is formed between pole, 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 can reduce on lower base and seat of honour contact level Pressure replaces sliding friction with rolling friction between upper pedestal and lower base, can reduce upper pedestal and lower base on the whole Between frictional force, lower base to thereon upper pedestal and bridge rotor reliable and stable support is provided, improve rotor system Stability and convenience.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram of upper pedestal；

Fig. 3 is the bottom view of upper pedestal；

Fig. 4 is the structural schematic diagram of lower base；

Fig. 5 is the top view of lower base；

Fig. 6 is the structural schematic diagram after electromagnetism power-assisted assembly removal annular cover plate；

Fig. 7 is the enlarged drawing of m in Fig. 6；

Fig. 8 is the structural schematic diagram of electromagnet；

Fig. 9 is B-B ' cross-sectional view in Fig. 8；

Figure 10 is the structural schematic diagram of the electromagnetism power-assisted component with annular cover plate；

Figure 11 is the enlarged drawing of n in Figure 10；

Figure 12 is the sectional view of A-A ' in Figure 10.

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 magnetic power-assisted turns seat, including the upper pedestal a9 being rotatably assorted and lower base A1 is respectively equipped with electromagnetism power-assisted component, the electromagnetism power-assisted component of the upper pedestal a9 on the upper pedestal a9 and lower base a1 It is arranged with face above and below the electromagnetism power-assisted component of the lower base a1 and mutually exclusive.

As shown in Figure 1,2 and 3, the lower surface of the upper pedestal a9 be 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. 1,4 and 5, 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. 3,5, 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 6 and 7, 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. 8 and 9, 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. 7 and 8, the outer wall of the drum g11 is set there are two locating piece g5, the line of two locating piece g5 By the center of the drum g11, two electrode jacks are respectively close to two locating piece g5.The magnet jack f2 Hole wall on corresponding two locating piece g5 be respectively equipped with locating piece slot f21, the locating piece slot f21 is pierced by outward, 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 10,11 and 12, 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.

In use, being electromagnetism power-assisted assembly power supply by conducting wire f5.Two conductive coppers of same electromagnetism power-assisted component Ring f4 is in parallel by all electromagnet g, and when energization, the homonymous magnetic pole of upper power-assisted component and lower power-assisted component is opposite, generation Repulsive force 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 magnetic power-assisted turns seat, it is characterised in that: including the upper pedestal (a9) and lower seat being rotatably assorted Body (a1) is respectively equipped with electromagnetism power-assisted component, the electricity of the upper pedestal (a9) on the upper pedestal (a9) and lower base (a1) The electromagnetism power-assisted component of magnetic power-assisted component and the lower base (a1) up and down face setting and it is mutually exclusive.

2. Bridge Rotation Construction Technique magnetic power-assisted according to claim 1 turns seat, 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.

3. Bridge Rotation Construction Technique magnetic power-assisted according to claim 2 turns seat, 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.

4. Bridge Rotation Construction Technique magnetic power-assisted according to claim 3 turns seat, 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 The notch that roller (a3) stretches out the cyclic annular rolling groove (a5) is turned, the periphery of swivel roller (a3) is along the cyclic annular rolling The slot bottom of dynamic slot (a5) rolls, and the lower surface of the upper pedestal (a9) is fallen on the swivel roller (a3), the swivel roller (a3) in a circular table shape, the miner diameter end of swivel roller (a3) is towards the spherical crown chamber (a2)；

The anti-bias part of ring-type (a4) is anti-bias roller, is respectively equipped in the interior circumferential direction of the anti-bias slot of ring-type (a6) multiple described anti- Inclined 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), described anti-bias The periphery of roller is rolled along the inner wall of cyclic annular offset supporter (a8) of tubular.

5. Bridge Rotation Construction Technique magnetic power-assisted according to claim 4 turns seat, 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).

6. Bridge Rotation Construction Technique magnetic power-assisted according to claim 5 turns seat, 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).

7. Bridge Rotation Construction Technique magnetic power-assisted according to claim 6 turns seat, it is characterised in that: the floating electrode component It (g4) include insulating coating cylinder (g41), which is threaded through on the wall of the outer housing (g1), this is absolutely The inner end of edge outer sleeve (g41) is protruded into the outer housing (g1) and is equipped with anticreep inner ring (g42), the insulating coating cylinder (g41) Outer end stretch out the outer housing (g1) outside and be equipped with anticreep outer ring (g43), the anticreep outer ring (g43) and the outer housing (g1) It is cased with recoil press spring (g44) on insulating coating cylinder (g41) between outer wall, it is solid embedded with conduction in the insulating coating cylinder (g41) Electrode (g45), the terminal connection corresponding with the coil windings (g2) of the inner end of the conductive electrode (g45), conduction electricity The outer end of the insulating coating cylinder (g41) is stretched out in the outer end of pole (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.

8. Bridge Rotation Construction Technique magnetic power-assisted according to claim 7 turns seat, it is characterised in that: the drum (g11) Outer wall is set there are two locating piece (g5), and the line of two locating pieces (g5) passes through the center of the drum (g11), two institutes Electrode jack is stated respectively close to two locating pieces (g5)；

Corresponding two locating pieces (g5) are respectively equipped with locating piece slot (f21), institute on the hole wall of the magnet jack (f2) It states locating piece slot (f21) to be pierced by outward, two locating pieces (g5) fall in the corresponding locating piece slot (f21)；

The drum (g11) and lower bolster (g12) are insulating materials；Two locating pieces (g5) and the drum (g11) It is integrally formed.

9. Bridge Rotation Construction Technique magnetic power-assisted according to claim 8 turns seat, it is characterised in that: the annular cover plate (f3) Inner face set there are two conductive copper (f4), two conductive copper (f4) internal and external partitions settings；

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 magnetic power-assisted according to claim 6 turns seat, 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.