CN210827147U - Bridge pushing and rotating system - Google Patents
Bridge pushing and rotating system Download PDFInfo
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- CN210827147U CN210827147U CN201921344203.7U CN201921344203U CN210827147U CN 210827147 U CN210827147 U CN 210827147U CN 201921344203 U CN201921344203 U CN 201921344203U CN 210827147 U CN210827147 U CN 210827147U
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Abstract
The utility model provides a bridge top pushes away system of turning, including turning roof beam and ball pivot, it is provided with the arc track that uses the ball pivot center as the centre of a circle to turn the roof beam below, it is equipped with at least a set of auxiliary stay to turn the roof beam bottom, the auxiliary stay top with turn roof beam fixed connection, auxiliary stay bottom fixed connection on the steel sheet, the steel sheet supports on the arc track, set up two sets of thrustor mechanisms that are used for in turn pushing away the auxiliary stay on the arc track, arc track upper surface has the mounting that is used for fixed thrustor mechanism along the arc track arrangement. The utility model discloses a set up two sets of thrustor mechanisms and applyed the jacking force to the auxiliary stay in turn, drive upper portion and turn the roof beam along circular motion, it is great to have solved current revolving stage department and turn traction force, the problem of the difficulty of turning for it can go on smoothly to turn.
Description
Technical Field
The utility model belongs to the technical field of bridge design and construction, concretely relates to bridge top pushes away system of turning.
Background
In order to better meet and comply with the development requirements of complex and changeable traffic roads in China, a large number of new technologies, new structures, new processes, new materials, new facilities and new schemes appear from time to time, so that the construction of bridges is unprecedentedly developed. The construction of the bridge is from the wide plane arrangement to the staggered complex space arrangement nowadays, such as some bridges crossing railways and sea and river, and the construction method must be improved and innovated in order to not obstruct the traffic main road. Under the condition, the common construction method has great potential safety hazard when being constructed above a traffic line with more vehicles, traffic passing is influenced, urban congestion is caused, and swivel construction is carried out at the same time under the dilemma.
In a conventional swivel construction method, a safety leg is generally arranged in a traction turntable, and the support radius is relatively small. For the single-ball hinge horizontal rotation construction of the cable-stayed bridge, because the bridge tower is of a high-rise structure, when wind power or other large unbalanced bending moment acts, the rotation construction stability is poor, and the risk of large eccentric overturning exists. If the auxiliary support is arranged outside the traction turntable, the support radius of the auxiliary support is enlarged, and the multi-point support rotating body is adopted, the stability of rotating body construction can be greatly improved, and the construction risk of large eccentric overturning is reduced.
For the horizontal rotation construction of the beam bridge with the asymmetric structure, the balance of the rotation structure is guaranteed by balancing weight. If the auxiliary support is arranged outside the traction turntable and the multi-point support rotating body is adopted, the rotating body counterweight can be reduced, and the stability of the rotating body structure can be improved.
However, when a horizontal swivel of a high-rise structure (cable-stayed bridge) or an asymmetric structure bridge is constructed, an auxiliary support is adopted to increase the stability of the swivel structure or reduce the balance weight of the swivel of the beam body, so that the contact resistance at the auxiliary support is reflected on the traction force at the rotary table and is amplified by a corresponding factor, the swivel traction force is large, and the rotation is difficult or even difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the measure that takes to set up the auxiliary stay in the current construction of turning, it is big to cause the contact resistance reflection of auxiliary stay department at the traction force of revolving stage department, rotates the difficulty, produces even and is difficult to the pivoted problem.
Therefore, the utility model provides a bridge top pushes away system of turning, including turning roof beam and ball pivot, it is provided with the arc track that uses the ball pivot center as the centre of a circle to turn roof beam below, it is equipped with at least a set of auxiliary stay to turn the roof beam bottom, auxiliary stay top and the roof beam fixed connection that turns, auxiliary stay bottom fixed connection are on the steel sheet, the steel sheet supports on the arc track, arrange two sets of top pushing mechanisms that are used for pushing away auxiliary stay in turn on the arc track, arc track upper surface has the mounting that is used for fixed top pushing mechanism along the arc track.
Furthermore, the fixing part is provided with two rows of clamping groove groups, each row of clamping groove group is composed of a plurality of clamping grooves which are arranged at intervals along the arc-shaped track, the clamping grooves of the two rows of clamping groove groups are arranged at intervals in a staggered mode, and the distance of the clamping grooves of the two rows of clamping groove groups staggered along the tangential direction of the arc-shaped track is the pushing stroke of one pushing mechanism.
Further, the pushing mechanism comprises a counter-force seat and a jack, the counter-force seat is detachably connected with the clamping groove in the arc-shaped rail through a fixing bolt, one end of the jack is fixed on the counter-force seat, and the other end of the jack is abutted to the auxiliary support.
Furthermore, the auxiliary supports are arranged in two groups and are symmetrically arranged about the axial direction of the rotating body beam, each group of auxiliary supports is provided with two safety legs symmetrically arranged about the central line of the arc-shaped track, and the two safety legs of one group of auxiliary supports respectively correspond to one group of pushing mechanisms.
Furthermore, the safety leg is of a steel pipe structure filled with micro-expansion concrete.
Furthermore, a tetrafluoro sliding plate is embedded at the bottom of the steel plate.
Furthermore, the planar shape of the arc-shaped track is arc-shaped belt-shaped, the arc center angle of the arc-shaped track is larger than the rotation angle of the rotating beam, and two ends of the arc-shaped track are provided with limit stops.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a top thrust is applyed to the auxiliary stay in turn to this kind of bridge top pushes away system of turning through setting up two sets of pushing away mechanisms, drives upper portion and turns the roof beam along circular motion, and it is great to have solved current revolving stage department and turn traction force, the problem of the difficulty of turning for turn can go on smoothly.
(2) The utility model provides a this kind of bridge top pushes away system of turning arranges two sets of auxiliary stay through turning the roof beam bottom to set up suitable eccentricity in advance through the counter weight, make two sets of auxiliary stay and ball pivot form three point support together, the increase stability of structure of turning.
(3) The utility model provides a this kind of bridge top pushes away system of turning has avoided some unnecessary removal not influencing by the normal operating of striding railway and highway, adopts this kind of mode to turn, has greatly strengthened the security of turning the bridge construction, has reduced the removal loss, has saved the engineering investment.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic plan view of the bridge pushing and turning system of the present invention;
FIG. 2 is a schematic plan view of the auxiliary supporting and pushing mechanism of the present invention on the arc track;
fig. 3 is a schematic view of the vertical structure of the bridge pushing and turning system of the present invention.
Description of reference numerals: 1. a swivel beam; 2. spherical hinge; 3. an arc-shaped track; 4. auxiliary supporting; 5. a railway line; 6. a pushing mechanism; 7. a card slot; 8. micro-expansive concrete; 9. a steel plate; 10. a tetrafluoro slide plate; 11. a jack; 12. a counter-force seat; 13. and fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, fig. 2 and fig. 3, this embodiment provides a bridge incremental launching swivel system, which includes a swivel beam 1 and a spherical hinge 2, an arc-shaped track 3 with the center of the spherical hinge 2 as the center of a circle is disposed below the swivel beam 1, at least a portion of the arc-shaped track 3 is located between the spherical hinge 2 and a railway line 5, so that the swivel beam 1 can cross the railway line 5 after rotating along the arc-shaped track 3, at least one set of auxiliary supports 4 is disposed at the bottom of the swivel beam 1, the tops of the auxiliary supports 4 are fixedly connected to the swivel beam 1, the bottoms of the auxiliary supports 4 are fixedly connected to a steel plate 9, the steel plate 9 is supported on the arc-shaped track 3, and the swivel beam 1 is supported at multiple points by multiple sets of auxiliary supports 4, in this embodiment; two groups of pushing mechanisms 6 for alternately pushing the auxiliary support 4 are arranged on the arc-shaped track 3, and fixing pieces for fixing the pushing mechanisms 6 are arranged on the upper surface of the arc-shaped track 3 along the arc-shaped track 3. In the embodiment, a traction turntable and a corresponding traction cable of a conventional rotator are omitted, two auxiliary supports 4 are arranged at the bottom of a rotator beam 1 which does not influence railway operation outside the traction turntable, proper pre-eccentricity is set through a balance weight, so that the two auxiliary supports 4 and a spherical hinge 2 form a three-point support together, the upper part of each auxiliary support 4 is connected with the rotator beam 1, the lower part of each auxiliary support 4 is connected with a steel plate 9 and supported on an arc-shaped track 3, and when the rotator rotates, the auxiliary supports 4 are alternately pushed by two groups of pushing mechanisms 6 to drive the upper rotator beam 1 to move along the circumference, so that the purpose of bridge rotation is achieved. This embodiment is through setting up two sets of thrusting mechanisms 6 and applys jacking force to auxiliary stay 4 in turn, drives upper portion and turns roof beam 1 along circular motion, and it is great to have solved current revolving stage department and turn traction force, turns the problem of difficulty for turn can go on smoothly.
In a detailed embodiment, as shown in fig. 2 and 3, the fixing member is two rows of card slot groups, each row of card slot group is composed of a plurality of card slots 7 arranged at intervals along the arc-shaped track 3, the card slots 7 of the two rows of card slot groups are arranged at intervals in a staggered manner, and the card slots 7 of the two rows of card slot groups are staggered at intervals along the tangential direction of the arc-shaped track by a pushing stroke of one pushing mechanism, so that two groups of pushing mechanisms 6 can apply a pushing force for the first time. The pushing mechanism 6 comprises a counter-force seat 12 and a jack 1, the counter-force seat 12 is detachably connected with a clamping groove 7 on the arc-shaped track 3 through a fixed bolt 13, one end of the jack 11 is fixed on the counter-force seat 12, the other end of the jack is abutted against an auxiliary support 4, the counter-force seat 12 is fixed on the clamping groove 7 of the arc-shaped track 3 through the fixed bolt 13 during rotation, the auxiliary support 4 is pushed to move forwards through the jack 11, after the jack 11 finishes one stroke, the fixed bolt 13 is detached, the pushing mechanism 6 is moved forwards to push, concretely, after the first jack 11 finishes one stroke, the second jack 11 continues to push to finish another stroke, the fixed bolt 13 and the counter-force seat 12 of the first jack 11 are moved forwards to the clamping groove 7 of the next stroke between the second strokes, and after the second jack 11 finishes the stroke, the first jack 11 moves forwards to continue to push, the operation is circulated in such a way, the auxiliary support 4 can be pushed to move along the arc-shaped track 3, and therefore the turning movement of the bridge is completed.
Two groups of the auxiliary supports 4 are symmetrically arranged about the axis of the swivel beam 1, and each group of the auxiliary supports 4 is provided with two safety legs symmetrically arranged about the central line of the arc-shaped track 3, so that the stability of the swivel structure is further improved, and the two safety legs of one group of the auxiliary supports 4 respectively correspond to one group of the thrusting mechanisms 6. Specifically, the safety legs are made of steel pipes, micro-expansion concrete 8 is poured into the safety legs to increase the bearing capacity of the safety legs, the upper portions of the safety legs are connected with the bottom of the swivel beam 1, the lower portions of the safety legs are connected with steel plates 9, the steel plates 9 are ship-shaped stainless steel plates, and the steel plates 9 are supported on the arc-shaped rails 3; preferably, a tetrafluoro sliding plate 10 is embedded at the bottom of the steel plate 9 to reduce the friction between the steel plate 9 and the arc-shaped rail 3.
The plane shape of the arc-shaped track 3 is arc-shaped belt-shaped, and the contact part of the top surface of the arc-shaped track and the steel plate 9 adopts a stainless steel plate to reduce the friction resistance; and the arc center angle of the arc-shaped track 3 is larger than the rotation angle of the rotating beam 1, and limit stops are arranged at the two ends of the arc-shaped track 3.
Additionally, the utility model also provides an above-mentioned bridge top pushes away method of turning specifically includes following step:
(1) the turning beam 1 is arranged near a railway line 5 to be spanned, the turning beam 1 is placed in parallel to the railway line 5, and the spherical hinge 2 for driving the turning beam 1 to rotate is arranged at the center of the bottom of the turning beam 1.
(2) An arc-shaped track 3 with the center of the spherical hinge 2 as the center of a circle is temporarily arranged at a neutral position between the spherical hinge 2 and the railway line 5, and a fixing piece is arranged on the upper surface of the arc-shaped track 3 along the arc-shaped track 3.
(3) Set up two sets of auxiliary stay 4 in the roof beam 1 bottom of turning, auxiliary stay 4 top and 1 fixed connection of turning, auxiliary stay 4 bottom fixed connection is on steel sheet 9, and steel sheet 9 is located arc track 3.
(4) Two groups of pushing mechanisms 6 are placed on the arc-shaped track 3, the pushing mechanisms 6 are fixed through fixing pieces, the two groups of pushing mechanisms 6 alternately apply pushing force to the auxiliary support 4, after the first pushing mechanism 6 finishes one pushing stroke, the second pushing mechanism 6 continues to push to finish the next pushing stroke, the first pushing mechanism 6 is moved forwards to a clamping groove 7 of the next pushing stroke to be fixed between the second pushing strokes, after the second pushing mechanism 6 finishes the pushing stroke, the first pushing mechanism 6 moves forwards to continue to push, the operation is circulated, the auxiliary support 4 moves along the arc-shaped track 3, and therefore the upper rotating beam 1 is driven to rotate around the spherical hinge 2 until one end of the rotating beam 1 crosses an iron route 5 and is matched with the central line of the designed bridge. After the rotation is finished, the auxiliary support 4 and the arc-shaped track 3 at the bottom of the rotation beam 1 can be detached.
To sum up, the utility model provides a top thrust is applyed to the auxiliary stay in turn through setting up two sets of thrustor mechanisms to this kind of bridge top pushes away system of turning drives upper portion and turns the roof beam along circular motion, and it is great to have solved current revolving stage department traction force of turning, the problem of the difficulty of turning for turn can go on smoothly.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a bridge top pushes away system of turning, includes the roof beam and the ball pivot of turning, its characterized in that: the improved rotary support device is characterized in that an arc-shaped track taking the center of a spherical hinge as the center of a circle is arranged below the rotary beam, at least one group of auxiliary supports are arranged at the bottom of the rotary beam, the tops of the auxiliary supports are fixedly connected with the rotary beam, the bottoms of the auxiliary supports are fixedly connected onto a steel plate, the steel plate is supported on the arc-shaped track, two groups of pushing mechanisms used for alternately pushing the auxiliary supports are arranged on the arc-shaped track, and fixing pieces used for fixing the pushing mechanisms are arranged on the upper surface of the arc-shaped track along.
2. The incremental launching swivel system of claim 1, wherein: the fixing piece is provided with two rows of clamping groove groups, each row of clamping groove group is composed of a plurality of clamping grooves which are arranged at intervals along the arc-shaped track, the clamping grooves of the two rows of clamping groove groups are arranged at intervals in a staggered mode, and the distance of the clamping grooves of the two rows of clamping groove groups staggered along the tangential direction of the arc-shaped track is the pushing stroke of one pushing mechanism.
3. The incremental launching swivel system of claim 2, wherein: the pushing mechanism comprises a counter-force seat and a jack, the counter-force seat is detachably connected with the clamping groove in the arc-shaped track through a fixing bolt, one end of the jack is fixed on the counter-force seat, and the other end of the jack is abutted to the auxiliary support.
4. The incremental launching swivel system of claim 1, wherein: the auxiliary supports are arranged in an axial symmetrical mode about the rotating body beam, each auxiliary support is provided with two safety legs which are arranged in a symmetrical mode about the center line of the arc-shaped track, and the two safety legs of one auxiliary support correspond to one pushing mechanism respectively.
5. The incremental launching swivel system of claim 4, wherein: the safety leg is of a steel pipe structure filled with micro-expansion concrete.
6. The incremental launching swivel system of claim 1, wherein: and a tetrafluoro sliding plate is embedded at the bottom of the steel plate.
7. The incremental launching swivel system of claim 1, wherein: the planar shape of the arc-shaped track is arc-shaped belt-shaped, the arc center angle of the arc-shaped track is larger than the rotation angle of the rotating beam, and two ends of the arc-shaped track are provided with limit stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344203.7U CN210827147U (en) | 2019-08-19 | 2019-08-19 | Bridge pushing and rotating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344203.7U CN210827147U (en) | 2019-08-19 | 2019-08-19 | Bridge pushing and rotating system |
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| Publication Number | Publication Date |
|---|---|
| CN210827147U true CN210827147U (en) | 2020-06-23 |
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| CN201921344203.7U Active CN210827147U (en) | 2019-08-19 | 2019-08-19 | Bridge pushing and rotating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468739A (en) * | 2019-08-19 | 2019-11-19 | 中铁武汉勘察设计研究院有限公司 | A kind of bridge incremental launching rotor system and method |
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2019
- 2019-08-19 CN CN201921344203.7U patent/CN210827147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468739A (en) * | 2019-08-19 | 2019-11-19 | 中铁武汉勘察设计研究院有限公司 | A kind of bridge incremental launching rotor system and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221013 Address after: 430074 building E5, phase IV, optical valley software park, 1 Guanshan Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: China Railway Wuhan survey and Design Institute Co.,Ltd. Address before: Building E5, phase IV, Guanggu Software Park, No.1 Guanshan Avenue, Hongshan District, Wuhan City, Hubei Province Patentee before: CHINA RAILWAY WUHAN SURVEY AND DESIGN & INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |