CN211571413U - Fixing device for cable-stayed bridge rotation construction - Google Patents
Fixing device for cable-stayed bridge rotation construction Download PDFInfo
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- CN211571413U CN211571413U CN201922153046.8U CN201922153046U CN211571413U CN 211571413 U CN211571413 U CN 211571413U CN 201922153046 U CN201922153046 U CN 201922153046U CN 211571413 U CN211571413 U CN 211571413U
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- stayed bridge
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Abstract
The utility model discloses a fixing device for cable-stayed bridge swivel construction, which comprises a structure main body, wherein the structure main body comprises an upper bearing platform and a lower bearing platform, the upper bearing platform and the lower bearing platform are connected by pre-buried I-steel, a supporting foot, an adaptive jack, a trolley frame, a roller trolley and a slideway are vertically arranged between the upper bearing platform and the lower bearing platform, two sides of the roller trolley are provided with a braking base, the braking base consists of a base, an adjusting mechanism and a magnetic base, the adjusting mechanism and the magnetic base are arranged on the base, the height of a bearing seat in the braking base is adjusted by adjusting the positions of an upper adjusting rod, an upper diagonal web member and a lower diagonal web member in the braking base, and the effective fixation of the braking base on the roller trolley in a swivel system can be realized; the movement of a braking system caused by over-small friction force of the slide way can be overcome through the adsorption force of the magnetic base and the slide way; the upper bearing platform and the lower bearing platform are fixedly connected together through the plurality of embedded I-shaped steels, so that the construction and fixation of the rotary cable-stayed bridge are firmer.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to cable-stay bridge turns fixing device of construction.
Background
The bridge turning construction technology is a construction method that after all or part of a beam body is assembled or poured in advance at a position deviating from a bridge position to form a temporary stable structure, a turning device is used for turning in place. With the gradual maturity of the swivel construction process, the swivel construction process is widely applied to the construction of river-valley crossing bridges of main roads, expressways, railways and the like in various provinces of China. In the construction of bridges across railway lines, in order to minimize the influence of construction on the operation of the railway line, the swivel construction method is also well paid attention by engineering builders.
At present, a brace and a steel plate are mostly adopted in bridge plane rotation construction, rotation is carried out by utilizing the low friction of a slideway, rotation is realized by providing rotation torque through a traction cable, however, when the brace is in direct contact with the slideway, sliding friction is generated on a contact surface, the mechanical property of the brace is inferior to that of rolling friction, and more resources are consumed; the moment provided by the traction cable is easy to generate eccentricity to cause deviation, and the whole mechanical property is difficult to grasp. In addition, in order to ensure that the turntable and the spherical hinge structure do not move when the superstructure is constructed, the upper turntable which is plugged between the concrete filled steel tube supporting foot and the slideway is usually fixed temporarily by a steel wedge, the construction stability is not considered well, and the steel wedge block can move in the low-friction annular slideway when meeting the eccentric pressure, so that the construction stability and the safety are influenced.
In view of the above, the fixing device for cable-stayed bridge swivel construction is provided, the roller trolley in the swivel system is effectively fixed through the brake base, the movement of the brake base caused by the undersize friction force of the slide way is overcome through the adsorption force of the magnetic base and the slide way, the embedded I-steel is arranged between the upper bearing platform and the lower bearing platform, the upper bearing platform and the lower bearing platform are connected together to play a role in fixing, and the fixing device has important significance for improving swivel construction precision and reducing construction safety risk.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable-stay bridge turns fixing device of construction.
For effectively solving the technical problem, the utility model discloses the technical scheme who takes as follows:
the utility model provides a fixing device that cable-stay bridge turned construction, includes a structure subject, the structure subject includes cushion cap and lower cushion cap, go up the cushion cap and connect with pre-buried I-steel down, just go up the cushion cap and be equipped with spike, self-adaptation jack, bogie frame, gyro wheel dolly and slide down between the cushion cap vertical type, gyro wheel dolly both sides are equipped with the braking base, the braking base by the base and set up in adjustment mechanism and magnetism base on the base are constituteed, it includes vertical type accent pole and hypotenuse bracing piece to adjust the structure, the vertical type accent pole is become by last accent pole and down accent pole, the hypotenuse bracing piece comprises last diagonal web member and lower diagonal web member, just the summit intersection of going up accent pole and last diagonal web member is equipped with accepts the seat.
Particularly, the supporting feet are in contact connection with the lower bottom surface of the upper bearing platform, and a cushion block is arranged between the upper bearing platform and the supporting feet.
Particularly, the roller trolley is in contact connection with the lower bearing platform, a slide way is arranged on the lower bearing platform, and the roller trolley slides in the slide way.
Particularly, the base is formed by welding angle steel, is positioned on the slide, is in a rectangular frame shape, is arranged on two sides of the roller trolley, and the adjusting mechanism is arranged on the base frames on the two sides.
Specially, the main structure body includes a plurality of bolts, fixed orifices and through hole, the bolt is high strength bolt, the bolt with the fixed orifices lock solid connection, promptly:
the upper inclined web member is connected with the lower inclined web member through a bolt;
the lower inclined web members are connected with the base through bolts;
the trolley frame is connected with the roller trolley through bolts;
the self-adaptive jack is connected with the supporting foot through a bolt;
the bogie frame is connected with the self-adaptive jack through a bolt.
In particular, the magnetic base is arranged in the middle of the base.
Particularly, the trolley frame and the self-adaptive jack form a force bearing supporting leg structure.
Particularly, the base is assembled and welded through angle steel, the lower adjusting rod is connected with the base in a welded mode, the bearing seat is connected with the upper adjusting rod in a welded mode, and the upper inclined web member is connected with the bearing seat in a welded mode.
Particularly, the upper adjusting rod is sleeved in the lower adjusting rod, and a bolt rod and a through hole are arranged to realize pore channel connection.
The utility model has the advantages that: the utility model provides a fixing device for cable-stayed bridge swivel construction, which can realize the effective fixation of a brake base to a roller trolley in a system by adjusting the positions of an upper adjusting rod, an upper inclined web member and a lower inclined web member in the brake base and adjusting the height of a bearing seat in the brake base; the movement of a braking system caused by over-small friction force of the slide way can be overcome through the adsorption force of the magnetic base and the slide way; the upper bearing platform and the lower bearing platform are fixedly connected through the plurality of embedded I-shaped steels, the upper bearing platform and the lower bearing platform are fixedly connected together, the construction fixation of the rotary cable-stayed bridge is firmer, and the rotary cable-stayed bridge has the advantages of reasonable structure, simple structure, flexibility, light weight and wide trial range.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of the structure of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a brake base according to an embodiment of the present invention;
fig. 4 is an exploded view of the brake base according to the embodiment of the present invention.
Detailed Description
Example 1:
as shown in fig. 1-4, the fixing device for cable-stayed bridge swivel construction disclosed in this embodiment comprises a structural body, the structure main body comprises an upper bearing platform 10 and a lower bearing platform 1, the upper bearing platform 10 and the lower bearing platform 1 are connected by an embedded I-shaped steel 3, and a supporting foot 8, a self-adaptive jack 7, a supporting foot 8, a trolley frame 6, a roller trolley 4 and a slideway 2 are vertically arranged between the upper bearing platform 10 and the lower bearing platform 1, the two sides of the roller trolley 4 are provided with brake bases 5, each brake base 5 consists of a base 15, an adjusting mechanism arranged on the base 15 and a magnetic base 16, the adjusting mechanism comprises a vertical adjusting rod and a bevel edge supporting rod, the vertical adjusting rod consists of an upper adjusting rod 12 and a lower adjusting rod 11, the bevel edge supporting rod consists of an upper bevel web member 13 and a lower bevel web member 14, and a bearing seat 19 is arranged at the top point intersection of the upper adjusting rod 12 and the upper bevel web member 13.
The supporting feet 8 are in contact connection with the lower bottom surface of the upper bearing platform 10, and a gasket 9 is arranged between the upper bearing platform 10 and the supporting feet 8. The roller trolley 4 is connected with the lower bearing platform 1 in a contact mode, a slide way 2 is arranged on the lower bearing platform 1, and the roller trolley 4 slides in the slide way 2. The base 15 is formed by welding angle steel, is positioned on the slide, is in a rectangular frame shape, is arranged on two sides of the roller trolley, and the adjusting mechanism is arranged on the base 15. The structure main part includes a plurality of bolts 17 and fixed orifices 20, bolt 17 is high strength bolt, bolt 17 with fixed orifices 20 lock joint, promptly:
the upper diagonal web member 13 and the lower diagonal web member 14 are connected by a bolt 17; the lower diagonal web member 14 is connected with the base 15 through a bolt 17; the trolley frame 6 is connected with the roller trolley 4 through a bolt 17; the self-adaptive jack 7 is connected with the supporting foot 8 through a bolt 17; the bogie frame 6 is connected with the self-adaptive jack 7 through a bolt 17. The magnetic base 16 is disposed in the middle of the base 15. The bogie frame 6 and the self-adaptive jack 7 form a force-bearing supporting leg structure. The base 15 is assembled and welded through angle steel, the lower adjusting rod 11 is connected with the base 15 in a welded mode, the bearing seat 19 is connected with the upper adjusting rod 12 in a welded mode, and the upper inclined web member 13 is connected with the bearing seat 19 in a welded mode. The upper adjusting rod 12 is sleeved in the lower adjusting rod 11, and a bolt rod 18 and a penetrating hole 21 are arranged to realize pore channel connection.
The applicant states that a person skilled in the art can combine some steps of the above-described embodiments with the technical solutions of the present invention to generate a new method based on the above-described embodiments, which is also one of the description scopes of the present invention, and other embodiments of these steps are not listed in the present application for the sake of brevity.
In this embodiment:
the method comprises the steps of setting a lower bearing platform 1, a slideway 2, a plurality of embedded I-shaped steels 3, a roller trolley 4, two sets of brake bases 5, a trolley frame 6, a self-adaptive jack 7, a set of supporting feet 8, a piece of cushion block 9, an upper bearing platform 10, four sets of down-regulating rods 11, four sets of up-regulating rods 12, four sets of upper oblique web members 13, four sets of lower oblique web members 14, two sets of bases 15, four sets of magnetic bases 16, a plurality of high-strength bolts 17, four sets of bolt rods 18, four sets of bearing bases 19, a plurality of fixing holes 20 and a plurality of penetrating holes 21. The slideway 2, the trolley frame 6, the self-adaptive jack 7, the supporting feet 8 and the cushion block 9 are installed in place according to design requirements, and the roller trolley 4 is temporarily fixed by using the brake base 5.
The specific implementation process is as follows:
the handle switch of the magnetic base 16 in the brake base 5 is set to be in a closed state, at the moment, the brake base 5 is in a movable state, the positions of the upper adjusting rod 12, the upper inclined web member 13 and the lower inclined web member 14 in the brake base 5 are adjusted according to the position of the top surface steel plate of the roller trolley 4, the bearing seat 19 is ensured to be in close contact with the top surface steel plate of the roller trolley 4, at the moment, the handle switch of the magnetic base 16 is opened, the magnetic base 16 forms a strong magnetic field and is adsorbed on a slideway steel plate, and when the body is formally turned, the handle switch of the magnetic base 16 is closed, so that the brake base 5 can be removed, and the temporary fixation of the roller trolley 4 is released.
Each braking base 5 can be provided with a plurality of groups of magnetic bases 16 so as to ensure the stability of the braking base 5, and the specific positions of the angle steels at the magnetic bases 16 are welded in advance according to the size of the magnetic bases 16. The lower adjusting rod 11 and the upper adjusting rod 12 are provided with a plurality of penetrating holes, the upper inclined web member 13, the lower inclined web member 14 and the base 15 are provided with a plurality of fixing holes 20, so that the height of the bearing seat 19 in the brake base 5 can be adjusted conveniently, the upper inclined web member 13 and the lower inclined web member 14 are used for the high-strength bolt 17 and the bearing seat 19 and the base 15 are connected, a closed triangular structure is formed, and the stability and the flexibility of the brake base are improved.
The fixing device further comprises the following steps:
s1: constructing the lower bearing platform 1, and installing the embedded I-shaped steel 3 before pouring concrete of the lower bearing platform 1;
s2: pouring concrete of the lower bearing platform 1, pouring one end of the embedded I-shaped steel 3 into the concrete of the lower bearing platform 1, and installing the slideway 2 on the lower bearing platform 1 after the member reaches the strength;
s3: setting up a temporary support, and installing the template and the upper turntable of the upper bearing platform 10;
s4: installing the roller trolley 4, the trolley frame 6, the self-adaptive jack 7, the supporting feet 8 and the cushion block 9;
s5: performing test operation of the swivel system;
s6: the roller trolley 4 on the slideway 2 is braked and fixed by using the brake base 5;
s7: the construction of the upper bearing platform 1 is carried out under temporary support, and the other end of the embedded I-beam 3 is poured into concrete of the upper bearing platform 1, so that the embedded I-beam 1 and the brake base 5 realize the temporary fixed double insurance;
s8: after each member meets the strength requirement, the temporary support is dismantled, and the bridge pier and the swivel part are constructed continuously;
s9: after the strength of the pier and the rotating part meets the requirement, the embedded I-shaped steel 3 is cut, the brake base 5 is removed, the temporary fixing device is removed, and formal rotation is carried out.
The applicant further states that the present invention is described by the above embodiments, but the present invention is not limited to the above embodiments, i.e. the present invention is not limited to the above embodiments, and the present invention can be implemented only by relying on the above methods and structures. It should be clear to the skilled person in the technical field that to any improvement of the utility model, it is right the utility model discloses the interpolation of the realization method equivalent replacement and step, the selection of concrete mode etc. of selecting for use all fall within the scope of protection and the disclosure scope of the utility model.
The embodiment is different from the conventional technology in that:
the height of a bearing seat in the braking base is adjusted by adjusting the positions of an upper adjusting rod, an upper inclined web member and a lower inclined web member in the braking base, so that the braking base can effectively fix the roller trolley in the rotor system; the movement of a braking system caused by over-small friction force of the slide way can be overcome through the adsorption force of the magnetic base and the slide way; the upper bearing platform and the lower bearing platform are fixedly connected together through the plurality of embedded I-shaped steels, so that the construction fixation of the rotary cable-stayed bridge is firmer, the structure is reasonable, the structure is simple, the flexibility and the portability are realized, and the trial range is wide.
The utility model discloses not limited to above-mentioned embodiment, all adopt with the utility model discloses similar structure and method realize the utility model discloses all embodiments of purpose are in the utility model discloses within the protection scope.
Claims (9)
1. The utility model provides a fixing device that cable-stay bridge turned construction, a serial communication port, including a main structure body, main structure body includes cushion cap and lower cushion cap, go up the cushion cap and connect with pre-buried I-steel down the cushion cap, just go up the cushion cap and be equipped with spike, self-adaptation jack, platform frame, gyro wheel dolly and slide down between the cushion cap vertical type, gyro wheel dolly both sides are equipped with the braking base, the braking base by the base and set up in adjustment mechanism and magnetic base on the base constitute, adjustment mechanism includes vertical type accent pole and hypotenuse bracing piece, the vertical type accent pole is become by last accent pole and down accent pole, the hypotenuse bracing piece comprises last diagonal web member and lower diagonal web member, just the summit intersection of going up accent pole and last diagonal web member is equipped with accepts the seat.
2. The cable-stayed bridge swivel construction fixing device according to claim 1, wherein the brace is in contact connection with the lower bottom surface of the upper bearing platform, and a cushion block is arranged between the upper bearing platform and the brace.
3. The cable-stayed bridge swivel construction fixing device according to claim 1, wherein the roller trolley is in contact connection with the lower bearing platform, a slide way is arranged on the lower bearing platform, and the roller trolley slides in the slide way.
4. The cable-stayed bridge swivel construction fixing device according to claim 1, wherein the base is formed by welding angle steels, is positioned on the slideway, is in a rectangular frame shape, is arranged on two sides of the roller trolley, and the adjusting mechanism is arranged on the base frames on the two sides.
5. The cable-stayed bridge swivel construction fixing device according to claim 1, wherein the structural body comprises a plurality of bolts, fixing holes and penetrating holes, the bolts are high-strength bolts, and the bolts are connected with the fixing holes in a locking manner, that is:
the upper inclined web member is connected with the lower inclined web member through a bolt;
the lower inclined web members are connected with the base through bolts;
the trolley frame is connected with the roller trolley through bolts;
the self-adaptive jack is connected with the supporting foot through a bolt;
the bogie frame is connected with the self-adaptive jack through a bolt.
6. The cable-stayed bridge swivel construction fixing device according to claim 1, wherein the magnetic base is arranged in the middle of the base.
7. The fixing device for cable-stayed bridge swivel construction according to claim 1, wherein the trolley frame and the adaptive jack form a force-bearing support leg structure.
8. The fixing device for the swivel construction of the cable-stayed bridge as claimed in claim 1, wherein the base is assembled and welded by angle steel, the lower adjusting rod is welded to the base, the bearing seat is welded to the upper adjusting rod, and the upper diagonal web member is welded to the bearing seat.
9. The cable-stayed bridge swivel construction fixing device according to claim 1, wherein the upper adjusting rod is internally sleeved in the lower adjusting rod, and a bolt rod and a through hole are arranged to realize duct connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153046.8U CN211571413U (en) | 2019-12-05 | 2019-12-05 | Fixing device for cable-stayed bridge rotation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153046.8U CN211571413U (en) | 2019-12-05 | 2019-12-05 | Fixing device for cable-stayed bridge rotation construction |
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| Publication Number | Publication Date |
|---|---|
| CN211571413U true CN211571413U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922153046.8U Expired - Fee Related CN211571413U (en) | 2019-12-05 | 2019-12-05 | Fixing device for cable-stayed bridge rotation construction |
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| Country | Link |
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| CN (1) | CN211571413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820592A (en) * | 2019-12-05 | 2020-02-21 | 长沙理工大学 | Fixing device for cable-stayed bridge rotation construction |
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2019
- 2019-12-05 CN CN201922153046.8U patent/CN211571413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820592A (en) * | 2019-12-05 | 2020-02-21 | 长沙理工大学 | Fixing device for cable-stayed bridge rotation construction |
| CN110820592B (en) * | 2019-12-05 | 2024-08-23 | 长沙理工大学 | Fixing device for swivel construction of cable-stayed bridge |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20211205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |