CN208748536U - Seat is turned under Bridge Rotation Construction Technique booster type - Google Patents

Abstract

The utility model discloses and turns seat under a kind of Bridge Rotation Construction Technique booster type, including lower base, the lower base upper surface is equipped with spherical crown chamber, cyclic annular rolling support body is equipped with around the spherical crown chamber in the upper surface of the lower base, it is equipped with cyclic annular anti-bias part around the lower base, electromagnetism power-assisted component is additionally provided on the lower base.Using the utility model has the beneficial effects that, reduce the pressure on lower base and seat of honour contact level, sliding friction is replaced with rolling friction between upper pedestal and lower base, and the pressure on lower base and seat of honour contact level is reduced by the repulsive force of electromagnetism power-assisted component, the frictional force between upper pedestal and lower base can be reduced on the whole, the load for reducing rotation system improves the stability and construction convenience of rotor system.

Description

Seat is turned under Bridge Rotation Construction Technique booster type

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 Seat is turned under work booster type.

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 and turns seat under a kind of Bridge Rotation Construction Technique booster type.

Technical solution is as follows:

Seat is turned under a kind of Bridge Rotation Construction Technique booster type, it is critical that including lower base, which sets There is spherical crown chamber, is equipped with cyclic annular rolling support body around the spherical crown chamber in the upper surface of the lower base, surrounds the lower base Equipped with cyclic annular anti-bias part, electromagnetism power-assisted component is additionally provided on the lower base.

Using the above design, when the advantage is that lower base is used cooperatively with corresponding upper pedestal, spherical crown chamber and upper pedestal Spherical cap portion match, undertake most of pressure and center of rotation be provided, cyclic annular rolling support physical efficiency is shared from upper pedestal Pressure, replace sliding friction using rolling friction, cyclic annular anti-bias part plays position-limiting action, on electromagnetism power-assisted component and upper pedestal Counter structure cooperation, can also undertake the partial pressure from upper pedestal, to reduce on upper pedestal and lower base contact surface Pressure reduces frictional force when upper pedestal rotation on the whole.

As optimal technical scheme, cyclic annular rolling groove, institute are equipped with around the spherical crown chamber in the upper surface of the lower base Stating cyclic annular rolling support body includes swivel roller, and circumferential direction is equipped with multiple swivel rollers, institute in the cyclic annular rolling groove The periphery for stating swivel roller is rolled along the slot bottom of the cyclic annular rolling groove, and the swivel roller stretches out the cyclic annular rolling groove Notch；

The swivel roller is in a circular table shape, and the miner diameter end of the swivel roller is towards the spherical crown chamber.

Using the above design, it the advantage is that multiple swivel roller ring-type settings, rolled in the groove body of restriction, in guidance The rotation of seat is turned, and reduces frictional force.

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 in the outer wall of the cylindrical portion, the ring-type is anti-bias Part is anti-bias roller, and circumferential direction is respectively equipped with multiple anti-bias rollers in the anti-bias slot of ring-type, and the anti-bias roller is vertical Setting, the anti-bias roller stretch out the notch of the anti-bias slot of ring-type；

The both ends of the anti-bias roller pass through roll shaft respectively and are connected on the cell wall of the anti-bias slot of ring-type.

Using the above design, the anti-bias part portion corresponding with lower swivel seat for preventing upper swivel seat in rotation process the advantage is that The sliding friction or Caton divided, reduces rotation friction while meeting limit function.

As optimal technical scheme, above-mentioned ring-type rolling support body further includes retainer, which includes interior ring framework With outer ring framework, it is described swivel roller positioned at the interior ring framework and outer ring framework between, it is described swivel roller both ends divide Not Tong Guo rolling axle connect with the interior ring framework and outer ring framework, between the swivel roller of adjacent two be equipped with reinforce bone Frame, the reinforcement skeleton are connect with the interior ring framework and outer ring framework.

Using the above design, it the advantage is that the position of swivel roller is fixed, avoid slipping.

As optimal technical scheme, above-mentioned electromagnetism power-assisted component includes annular mounting base, which is installed on institute The upper surface of lower base is stated, which is arranged around the cylindrical portion, the upper surface annular array of the annular mounting base Magnet jack is distributed with, 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 upper surface of the annular mounting base, the slot bottom annular array distribution of the annular groove is State 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.

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

As optimal technical scheme, above-mentioned annular mounting base includes annular chassis, and the upper surface of the annular chassis is fixed with Annular base body, the annular groove are provided with the upper surface of the annular base body, and the inward flange of the annular chassis prolongs inwardly It stretches, the outer edge of the annular chassis extends outward；

Pedestal fixation hole, the annular bottom are respectively equipped on the interior extension and outer extensions of the annular chassis Disk is connected and fixed by passing through the bolt in the pedestal fixation hole with the lower base.

Using the above design, it the advantage is that facilitate electromagnetism power-assisted component be securely installed on 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 electromagnet 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 upwards, 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 that can be avoided 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；Locating piece can prevent the rotation of electromagnet itself, so that conductive electrode is always The corresponding conductive copper of face；In addition, the design of floating electrode component, so that being formed between conductive copper and conductive electrode adaptive It should contact, conductive effect is good.

The utility model has the advantages that using the utility model has the beneficial effects that reduce the pressure on lower base and seat of honour contact level, Sliding friction is replaced with rolling friction between upper pedestal and lower base, and lower seat is reduced by the repulsive force of electromagnetism power-assisted component Pressure on body and seat of honour contact level, can reduce the frictional force between upper pedestal and lower base, lower base is to it on the whole On upper pedestal and bridge rotor reliable and stable support is provided, improve the stability and convenience of rotor system.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment one；

Fig. 2 is the top view of embodiment one；

Fig. 3 is the structural schematic diagram after electromagnetism power-assisted assembly removal annular cover plate；

Fig. 4 is the enlarged drawing of m in Fig. 3；

Fig. 5 is the structural schematic diagram of the electromagnetism power-assisted component with annular cover plate；

Fig. 6 is the enlarged drawing of n in Fig. 5；

Fig. 7 is the sectional view of A-A ' in Fig. 5；

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 embodiment two；

Figure 11 is the structural schematic diagram of upper swivel seat；

Figure 12 is the bottom view of upper swivel seat.

Specific embodiment

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

As shown in Figure 1, 2, seat, including lower base a1 are turned under a kind of Bridge Rotation Construction Technique booster type, lower base a1 is set There is the cylindrical portion to raise upward, the upper surface of the cylindrical portion is provided with spherical crown chamber a2, is equipped with cyclic annular rolling around the spherical crown chamber a2 It is equipped with cyclic annular rolling support body in dynamic slot a5, ring-type rolling groove a5, is equipped with cyclic annular anti-bias slot a6 in the outer wall of the cylindrical portion, Electromagnetism power-assisted component is additionally provided on lower base a1.

The ring-type rolling support body includes retainer a7 and swivel roller a3, retainer a7 include interior ring framework and outer Ring framework, the swivel roller a3 is between the interior ring framework and outer ring framework, the both ends difference of the swivel roller a3 It is connect with the interior ring framework and outer ring framework, is equipped between the swivel roller a3 of adjacent two and reinforces skeleton, the reinforcement Skeleton is connect with the interior ring framework and outer ring framework, and circumferential direction is equipped with multiple swivel rollers in the cyclic annular rolling groove a5 A3 is taken turns, the periphery of the swivel roller a3 is rolled along the slot bottom of the cyclic annular rolling groove a5, and the swivel roller a3 stretches out institute The notch of cyclic annular rolling groove a5 is stated, the swivel roller a3 is in a circular table shape, and the miner diameter end of the swivel roller a3 is towards the ball It is preced with chamber a2.

Cyclic annular anti-bias part a4 is equipped in the anti-bias slot a6 of the ring-type, the anti-bias part a4 of ring-type is anti-bias roller, in institute State circumferential direction in cyclic annular anti-bias slot a6 has multiple anti-bias rollers respectively, and the anti-bias roller is vertically arranged, the anti-bias roller The notch of the anti-bias slot a6 of the ring-type is stretched out, the both ends of the anti-bias roller pass through roll shaft respectively and are connected to the anti-bias slot of ring-type On the cell wall of a6.

As shown in Figures 2 and 3, the electromagnetism power-assisted component includes that annular mounting base f1, annular mounting base f1 are installed on institute The upper surface of lower base a1 is stated, which is arranged around the cylindrical portion, the upper end face ring of annular mounting base f1 Shape array distribution has magnet jack f2, is inserted with electromagnet g respectively in each magnet jack f2.

As shown in figure 4, the electromagnetism power-assisted component further includes annular cover plate f3, annular cover plate f3 covers all magnetic Iron jack f2.

As it can be seen in figures 5 and 6, being equipped with annular groove f11, annular groove f11 in the upper surface of the annular mounting base f1 Slot bottom annular array the magnet jack f2 is distributed with；The annular cover plate f3 is fastened in the annular groove f11, described The cell wall of the annular cover plate f3 and annular groove f11 bonds.

Specifically, as shown in fig. 7, the annular mounting base f1 includes annular chassis f12, the upper end of annular chassis f12 Face is fixed with annular base body f13, and the annular groove f11 is provided with the upper surface of the annular base body f13, the annular chassis The inward flange of f12 extends inwardly, and the outer edge of the annular chassis f12 extends outward；In the annular chassis f12 Pedestal fixation hole is respectively equipped on extension and outer extensions, the annular chassis f12 is by passing through the pedestal fixation hole Interior bolt is connected and fixed with the lower base a1.

As shown in FIG. 8 and 9, the electromagnet g includes outer housing g1, is equipped with coil windings g2, the line in outer housing g1 It is inserted with iron core g3 in circle winding g2, is set on the outer housing g1 there are two floating electrode component g4, two floatings are electric Pole component g4 is connect with two terminals of the coil windings g2 respectively.

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, the conducting wire f5 are pierced by the annular cover plate f3.

The floating electrode component g4 includes insulating coating cylinder g41, which is threaded through the shell On the wall of body g1, anticreep inner ring g42 is protruded into the outer housing g1 and be equipped in the inner end of insulating coating cylinder g41, outside the insulation The outer end of sleeve g41 is stretched out outside the outer housing g1 and is 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, is embedded with conductive electrode admittedly in the insulating coating cylinder g41 G45, the terminal connection corresponding with the coil windings g2 of the inner end of conductive electrode g45, the outer end of conductive electrode g45 Stretch out the outer end of the insulating coating cylinder g41.

The outer housing g1 includes drum g11, and the bottom of drum g11 is embedded with lower bolster g12, sets on lower bolster g12 Cored jack, in the iron core jack, the opening of the drum g11 is covered with bung g13 for the bottom of the iron core g3, The edge of bung g13 and the drum g11 are bonded, and the inner wall of bung g13 is equipped with briquetting g14, briquetting g14 and the line Winding g2 and iron core g3 contact is enclosed, is set on the bung g13 there are two electrode jack, is plugged respectively in two electrode jacks There is the insulating coating cylinder g41.

The outer wall of the drum g11 is set there are two locating piece g5, and the line of two locating piece g5 passes through the drum The center of g11, two electrode jacks are respectively close to two locating piece g5.It is corresponding on the hole wall of the magnet jack f2 Two locating piece g5 are respectively equipped with locating piece slot f21, and the locating piece slot f21 is pierced by downwards, two positioning Block g5 is 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.

For the use state for further showing lower base, it is explained below with reference to embodiment two.

Embodiment two:

As shown in Figure 10, a kind of Bridge Rotation Construction Technique magnetcisuspension power-assisted turns seat, the upper pedestal a9 including being rotatably assorted and under Pedestal a1 is respectively equipped with electromagnetism power-assisted component, the electromagnetism power-assisted of the upper pedestal a9 on the upper pedestal a9 and lower base a1 The electromagnetism power-assisted component of component and the lower base a1 up and down face setting and it is mutually exclusive.The structure of the lower base a1 is strictly according to the facts It applies described in example one.

As shown in Fig. 1,10 and 11, the lower surface of the upper pedestal a9 is equipped with rotation spherical crown a10, and the lower base a1 is equipped with The cylindrical portion to raise upward is equipped with the spherical crown chamber a2 adaptable with the rotation spherical crown a10, institute in the upper surface of the cylindrical portion Rotation spherical crown a10 is stated to fall 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. It is equipped with cyclic annular anti-bias slot a6 in the outer wall circumferential direction of the cylindrical portion, the anti-bias roller is equipped in the anti-bias slot a6 of the ring-type, owns The periphery of the anti-bias roller is rolled along the inner wall of the cyclic annular offset supporter a8 of tubular.

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. 2,12, it is respectively equipped in the lower surface of the upper pedestal a9 and the upper surface of the lower base a1 The electromagnetism power-assisted component.The electromagnetism power-assisted component, electromagnet g structure as described in embodiment one.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.The upper power-assisted component Annular mounting base f1 is arranged around the offset supporter a8, and the annular mounting base f1 of the lower power-assisted component surrounds the cylinder Portion's setting.

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 swivel seat and lower swivel seat, to reduce frictional force.As needed, may be used also With by adjusting supply current size to adjust the repulsive force size between electromagnetism power-assisted component.

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. turning seat under a kind of Bridge Rotation Construction Technique booster type, it is characterised in that: including lower base (a1), on the lower base (a1) Surface is equipped with spherical crown chamber (a2), is equipped with cyclic annular rolling support around the spherical crown chamber (a2) in the upper surface of the lower base (a1) Body is equipped with cyclic annular anti-bias part (a4) around the lower base (a1), electromagnetism power-assisted component is additionally provided on the lower base (a1).

2. turning seat under Bridge Rotation Construction Technique booster type according to claim 1, it is characterised in that: in the lower base (a1) upper surface is equipped with cyclic annular rolling groove (a5) around the spherical crown chamber (a2), and the ring-type rolling support body includes swivel roller It takes turns (a3), is equipped with multiple swivel rollers (a3), the swivel roller (a3) in described cyclic annular rolling groove (a5) interior circumferential direction Periphery rolled along the slot bottom of the cyclic annular rolling groove (a5), the swivel roller (a3) stretches out the ring-type rolling groove (a5) Notch；

The swivel roller (a3) is in a circular table shape, and the miner diameter end of swivel roller (a3) is towards the spherical crown chamber (a2).

3. turning seat under Bridge Rotation Construction Technique booster type according to claim 2, it is characterised in that: the lower base (a1) Equipped with 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 of the cylindrical portion, and the anti-bias part of ring-type (a4) is anti-bias roller, in the ring The anti-bias slot of shape (a6) interior circumferential direction is respectively equipped with multiple anti-bias rollers, and the anti-bias roller is vertically arranged, the anti-bias roller Stretch out the notch of the anti-bias slot of ring-type (a6)；

The both ends of the anti-bias roller pass through roll shaft respectively and are connected on the cell wall of the anti-bias slot of ring-type (a6).

4. turning seat under Bridge Rotation Construction Technique booster type according to claim 3, it is characterised in that: the cyclic annular rolling branch Support body further includes retainer (a7), which includes interior ring framework and outer ring framework, and the swivel roller (a3) is located at Between the interior ring framework and outer ring framework, the both ends of swivel roller (a3) pass through rolling axle and the interior ring framework respectively Connected with outer ring framework, between the swivel roller (a3) of adjacent two be equipped with reinforce skeleton, the reinforcement skeleton with it is described interior Ring framework is connected with outer ring framework.

5. turning seat under Bridge Rotation Construction Technique booster type according to claim 4, it is characterised in that: the electromagnetism power-assisted group Part includes annular mounting base (f1), which is installed on the upper surface of the lower base (a1), annular installation Seat (f1) is arranged around the cylindrical portion, and magnet jack (f2) is distributed in the upper surface annular array of the annular mounting base (f1), It is inserted with electromagnet (g) respectively in each 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 upper surface of the annular mounting base (f1), the slot bottom circular array of the annular groove (f11) Column 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.

6. turning seat under Bridge Rotation Construction Technique booster type according to claim 5, it is characterised in that: the annular mounting base It (f1) include annular chassis (f12), the upper surface of the annular chassis (f12) is fixed with annular base body (f13), the annular groove (f11) it is provided with the upper surface of the annular base body (f13), the inward flange of the annular chassis (f12) extends inwardly, described The outer edge of annular chassis (f12) extends outward；

Pedestal fixation hole, the annular bottom are respectively equipped on the interior extension and outer extensions of the annular chassis (f12) Disk (f12) is connected and fixed by passing through the bolt in the pedestal fixation hole with the lower base (a1).

7. turning seat under Bridge Rotation Construction Technique booster type according to claim 5, it is characterised in that: the electromagnet (g) Including outer housing (g1), it 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 it is described Two terminals of coil windings (g2) connect.

8. turning seat under Bridge Rotation Construction Technique booster type according to claim 7, it is characterised in that: the floating electrode group Part (g4) includes insulating coating cylinder (g41), which is threaded through on the wall of the outer housing (g1), should The inner end of insulating coating cylinder (g41) is protruded into the outer housing (g1) and is equipped with anticreep inner ring (g42), the insulating coating cylinder (g41) outer end stretches out the outer housing (g1) outside and is equipped with anticreep outer ring (g43), the anticreep outer ring (g43) and the shell It is cased with recoil press spring (g44) on insulating coating cylinder (g41) between body (g1) outer wall, it is solid embedding in the insulating coating cylinder (g41) There is conductive electrode (g45), the terminal connection corresponding with the coil windings (g2) of the inner end of the conductive electrode (g45) should The outer end of the insulating coating cylinder (g41) is stretched out in the outer end of 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.

9. turning seat under Bridge Rotation Construction Technique booster type according to claim 8, it is characterised in that: the drum (g11) Outer wall set there are two locating piece (g5), the line of two locating pieces (g5) passes through the center of the drum (g11), two The electrode jack is 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 upwards, 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.

10. turning seat under Bridge Rotation Construction Technique booster type according to claim 8, it is characterised in that: the annular cover plate (f3) inner face is set there are two conductive copper (f4), and two conductive copper (f4) internal and external partitions are arranged；

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).