CN110820592A - Fixing device for cable-stayed bridge rotation construction - Google Patents
Fixing device for cable-stayed bridge rotation construction Download PDFInfo
- Publication number
- CN110820592A CN110820592A CN201911231689.8A CN201911231689A CN110820592A CN 110820592 A CN110820592 A CN 110820592A CN 201911231689 A CN201911231689 A CN 201911231689A CN 110820592 A CN110820592 A CN 110820592A
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- bearing platform
- cable
- fixing device
- stayed bridge
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002222 downregulating effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention 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 embedded I-steel, a supporting foot, a self-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 braking bases, each 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, and the height of a bearing seat in each 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 each braking base, so that the effective fixation of each 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 invention relates to the technical field of bridge construction, in particular to a fixing device for cable-stayed bridge rotation 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.
Disclosure of Invention
The invention aims to provide a fixing device for cable-stayed bridge swivel construction.
In order to effectively solve the technical problems, the technical scheme adopted by the invention is 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 invention has the beneficial effects that: according to the fixing device for cable-stayed bridge swivel construction, the height of the bearing seat in the brake base is adjusted by adjusting the positions of the upper adjusting rod, the upper inclined web member and the lower inclined web member in the brake base, so that the brake 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 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 a structure according to 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 new method, which is generated by combining some steps of the above-mentioned embodiment with the technical solution of the summary part of the invention based on the above-mentioned embodiment, is also one of the description scope 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 in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the addition of equivalent alternatives to the embodiments of the present invention and steps, the selection of specific modes, etc., are within the scope of the present invention and the disclosure.
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 present invention is not limited to the above embodiments, and all embodiments adopting the similar structure and method to achieve the object of the present invention are within the protection scope of the present invention.
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 |
|---|---|---|---|
| CN201911231689.8A CN110820592A (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 |
|---|---|---|---|
| CN201911231689.8A CN110820592A (en) | 2019-12-05 | 2019-12-05 | Fixing device for cable-stayed bridge rotation construction |
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| Publication Number | Publication Date |
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| CN110820592A true CN110820592A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911231689.8A Pending CN110820592A (en) | 2019-12-05 | 2019-12-05 | Fixing device for cable-stayed bridge rotation construction |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB598626A (en) * | 1944-12-22 | 1948-02-23 | Timken Axle Co Detroit | Vehicle brakes |
| CN107473123A (en) * | 2017-09-13 | 2017-12-15 | 成都九十度工业产品设计有限公司 | A kind of emergency braking apparatus for the automatic delivery system dolly of building |
| CN108858726A (en) * | 2018-08-09 | 2018-11-23 | 五冶集团上海有限公司 | A kind of support frame for preventing T beam from toppling |
| CN108894119A (en) * | 2018-08-29 | 2018-11-27 | 中铁武汉勘察设计研究院有限公司 | More supporting point bridge rotating systems and the method for carrying out Bridge Rotation Construction Technique using it |
| CN110424455A (en) * | 2019-07-24 | 2019-11-08 | 中国十七冶集团有限公司 | The underground confined space is without fertile slot structure side wall big steel form plate system and construction method |
| CN211571413U (en) * | 2019-12-05 | 2020-09-25 | 长沙理工大学 | Fixing device for cable-stayed bridge rotation construction |
-
2019
- 2019-12-05 CN CN201911231689.8A patent/CN110820592A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB598626A (en) * | 1944-12-22 | 1948-02-23 | Timken Axle Co Detroit | Vehicle brakes |
| CN107473123A (en) * | 2017-09-13 | 2017-12-15 | 成都九十度工业产品设计有限公司 | A kind of emergency braking apparatus for the automatic delivery system dolly of building |
| CN108858726A (en) * | 2018-08-09 | 2018-11-23 | 五冶集团上海有限公司 | A kind of support frame for preventing T beam from toppling |
| CN108894119A (en) * | 2018-08-29 | 2018-11-27 | 中铁武汉勘察设计研究院有限公司 | More supporting point bridge rotating systems and the method for carrying out Bridge Rotation Construction Technique using it |
| CN110424455A (en) * | 2019-07-24 | 2019-11-08 | 中国十七冶集团有限公司 | The underground confined space is without fertile slot structure side wall big steel form plate system and construction method |
| CN211571413U (en) * | 2019-12-05 | 2020-09-25 | 长沙理工大学 | Fixing device for cable-stayed bridge rotation construction |
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