CN111691316B - Shock-proof bridge structure of turning - Google Patents
Shock-proof bridge structure of turning Download PDFInfo
- Publication number
- CN111691316B CN111691316B CN202010599894.6A CN202010599894A CN111691316B CN 111691316 B CN111691316 B CN 111691316B CN 202010599894 A CN202010599894 A CN 202010599894A CN 111691316 B CN111691316 B CN 111691316B
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- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000035939 shock Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect 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
- 230000017105 transposition Effects 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
- 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 shock-absorbing bridge turning structure which comprises a sliding seat, a supporting guide rail, a central swivel seat and a central bracket, wherein the central bracket is fixed with a pier, the central swivel seat is connected with the middle part of the lower end of a bridge, the central swivel seat is matched with the central bracket, the central swivel seat is connected with the central bracket through a rotating shaft, the sliding seat connected with the bridge is sleeved outside the central swivel seat, the pier is provided with the supporting guide rail matched with the sliding seat, the edge of the lower end of the bridge is provided with a protective supporting leg, the shock-absorbing bridge turning structure ensures the center of the bridge when turning through the matching between the central bracket and the central swivel seat, the periphery of the bridge is supported by the sliding seat, the sliding seat slides in the supporting guide rail, the bridge is prevented from being inclined, the stability of the bridge when turning is ensured, the protective supporting leg can increase the safety of the bridge when the inclination or the turning damage occurs, and the use safety is ensured.
Description
Technical Field
The invention relates to the technical field of bridge rotation, in particular to a damping bridge rotation structure.
Background
The swivel bridge is a bridge constructed by adopting a swivel method, the bridge swivel construction mode is a construction method for turning a bridge structure in place through a swivel structure after the bridge structure is cast or spliced and formed at a non-designed axis position, and the swivel construction method changes complex and high-tech aerial work and water-borne work into land work, so that the construction is safe and reliable in quality, traffic can not be interfered and navigation can not be interrupted in the construction of a navigation river channel or a frequently-used overpass of vehicles, the environmental damage is small, and the bridge swivel construction method has good economic benefit.
The bridge turning construction refers to a construction method that after a bridge structure is manufactured (poured or spliced) at a non-designed axis position and is formed, a bridge is turned in place. According to the rotation direction of the bridge structure, it can be divided into a vertical swivel construction method, a horizontal swivel construction method (vertical swivel method and horizontal swivel method for short) and a method combining horizontal swivel and vertical swivel, wherein the horizontal swivel method is most applied.
Present bridge equipment of turning adopts the balancing weight to keep balance usually, because there is unbalance in the structure of turning, leads to turning the problem that there is the poor stability in the flat rotation process.
Disclosure of Invention
The invention aims to solve the problem that the existing bridge turning equipment adopts a balancing weight to keep balance, and the stability of turning flat rotation is poor, and provides a damping bridge turning structure.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a shock-proof type bridge structure of turning, includes slide, supporting guide, central swivel mount and central bracket, central bracket is fixed with the pier, central swivel mount is connected with the lower extreme middle part of bridge, and central swivel mount and central bracket cooperation, be connected through the pivot between central swivel mount and the central bracket, central swivel mount's outside cover has the slide of being connected with the bridge, be equipped with on the pier with slide complex supporting guide, the lower extreme edge of bridge is equipped with the protection and props the leg.
Preferably, the slide includes the swivel, be equipped with the second connection pad of being connected with the bridge on the lateral wall of swivel, the lower extreme of swivel is equipped with the cooperation groove, the support rail includes the guide ring, be equipped with the first flange of being connected with the pier on the lateral wall of guide ring, the upper end of guide ring be equipped with swivel complex turn trough, be equipped with shock attenuation lug in the turn trough, shock attenuation lug and cooperation groove cooperation. Avoid the bridge slope, stability when guaranteeing to turn.
Preferably, the upper end edge of commentaries on classics groove is semicircular boss, be equipped with the roof on the lateral wall of change ring, the roof is located the top of boss, and the roof is connected with the boss contact, the edge of roof is equipped with the limiting plate. The form that adopts line contact can reduce the friction, and the roof plays the supporting role simultaneously, enlarges the support area, guarantees to turn stably.
Preferably, a rotating groove is formed in the rotating ring, a rotating wheel is arranged in the rotating groove, the rotating wheel is connected with the rotating ring through a wheel shaft, and the rotating wheel is connected with the inner wall of the rotating groove.
Preferably, the upper end of the swivel is provided with a connecting column, and the connecting column is inserted into the bridge.
Preferably, the edge of the central swivel mount is provided with a third connecting disc, the middle of the outer convex surface of the central swivel mount is provided with a rotating column, and the edge of the central bracket is provided with a fourth connecting disc. The tightness of the fit between the central rotating seat and the central bracket is ensured, and the relative sliding is prevented.
Preferably, the outer convex surface of the central rotating seat is provided with an anti-deviation block, and the upper end of the central bracket is provided with an anti-deviation groove matched with the anti-deviation block. The stability in rotation can be further increased.
Preferably, the middle part of the central swivel base is provided with a shaft hole matched with the rotating shaft.
Preferably, the upper end of the central bracket is provided with an inner groove matched with the central rotating seat, and the middle part of the inner groove is provided with a limiting groove matched with the rotating column.
Preferably, the middle part of center bracket is equipped with the trepanning, be equipped with the axle sleeve in the trepanning, the axle sleeve cooperates with the pivot, and the lower extreme and the pier of axle sleeve are connected. The smoothness of the rotating body is improved.
Compared with the prior art, the invention has the beneficial effects that:
1. the shock-absorbing bridge turning structure disclosed by the invention ensures the center of a bridge when the bridge turns through the matching between the central bracket and the central swivel seat, the periphery of the bridge is supported by the sliding seat, the sliding seat slides in the supporting guide rail, the bridge is prevented from inclining, the stability of the bridge when the bridge turns is ensured, the safety of the bridge when the bridge inclines or turns to be damaged can be increased by arranging the protective supporting legs, and the use safety is ensured.
2. According to the shock-absorbing bridge swivel structure disclosed by the invention, the swivel slides on the shock-absorbing bump, the shock absorption and buffering effects can be realized, the rotating wheel on the swivel is matched with the inner wall of the guide ring, the swivel can be prevented from shaking in the guide ring, the rotation stability is improved, the friction can be reduced, and the smoothness of the swivel is improved.
3. According to the shock-absorbing bridge turning structure disclosed by the invention, the edge of the upper end of the turning groove is provided with the semicircular lug boss, the side wall of the turning ring is provided with the top plate, the top plate is in contact connection with the lug boss, friction can be reduced by adopting a line contact mode, meanwhile, the top plate plays a supporting role, the supporting area is enlarged, the turning stability is ensured, and the edge of the top plate is provided with the limiting plate, so that the side tilting during turning is avoided, and the vibration is reduced.
4. The shock-absorbing bridge swivel structure disclosed by the invention has the advantages that the upper end of the central support seat is provided with the inner groove matched with the central swivel base, the middle part of the inner groove is provided with the limiting groove matched with the swivel post, the matching tightness between the central swivel base and the central support seat can be ensured, the relative sliding is prevented, the outer convex surface of the central swivel base is provided with the anti-deviation block, the upper end of the central support seat is provided with the anti-deviation groove matched with the anti-deviation block, and the stability in rotation can be further improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic view of the whole structure of the shock-absorbing bridge swivel structure of the present invention;
FIG. 2 is a schematic structural view of a support rail in the shock-absorbing bridge swivel structure according to the present invention;
FIG. 3 is a cross-sectional view of a support rail in the shock-absorbing bridge swivel structure of the present invention;
FIG. 4 is a schematic structural view of a sliding base in the shock-absorbing bridge swivel structure according to the present invention;
FIG. 5 is a cross-sectional view of a sliding seat in the shock-absorbing bridge swivel structure according to the present invention;
FIG. 6 is a schematic structural view of a central swivel base of the shock-absorbing bridge swivel structure according to the present invention;
fig. 7 is a schematic structural view of the center bracket of the shock-absorbing bridge swivel structure of the present invention.
The drawings are numbered as follows: 1-a bridge; 2-protective supporting legs; 3-a slide seat; 301-swivel; 302-second land; 303-mating grooves; 304-bolt hole; 305-connecting column; 306-a top plate; 307-a limiting plate; 308-an axle; 309-rotating wheel; 4-supporting the guide rail; 401-a first splice tray; 402-a guide ring; 403-rotary groove; 404-shock absorbing bumps; 405-a boss; 5-bridge pier; 6-central transposition; 601-third connection pad; 602-deviation prevention block; 603-rotating the column; 604-axle hole; 7-a rotating shaft; 8-a central bracket; 801-fourth land; 802-deviation prevention groove; 803-trepanning; 804-a limit groove; 9-shaft sleeve.
Detailed Description
The following is further detailed by way of specific embodiments:
a shock-proof bridge swivel structure as shown in fig. 1-7, including slide 3, support guide 4, central swivel mount 6 and central bracket 8, central bracket 8 is fixed with pier 5, central swivel mount 6 is connected with the lower extreme middle part of bridge 1, central swivel mount 6 cooperates with central bracket 8, rotate through pivot 7 between central swivel mount 6 and the central bracket 8 and be connected, the outside cover of central swivel mount 6 has slide 3 of being connected with bridge 1, be equipped with on the pier 5 with slide 3 complex support guide 4, the lower extreme edge of bridge 1 is equipped with the protection and props leg 2.
In this embodiment, as shown in fig. 4 to 5, the sliding base 3 includes a rotating ring 301, a second connecting plate 302 connected to the bridge 1 is disposed on a side wall of the rotating ring 301, a matching groove 303 is disposed at a lower end of the rotating ring 301, as shown in fig. 2 to 3, the support rail 4 includes a guide ring 402, a first connecting plate 401 connected to the bridge pier 5 is disposed on a side wall of the guide ring 402, a rotating groove 403 matched with the rotating ring 301 is disposed at an upper end of the guide ring 402, a shock absorption bump 404 is disposed in the rotating groove 403, and the shock absorption bump 404 is matched with the matching groove 303.
In this embodiment, the upper end edge of the rotating groove 403 is a semicircular boss 405, the side wall of the rotating ring 301 is provided with a top plate 306, the top plate 306 is located above the boss 405, the top plate 306 is in contact connection with the boss 405, and the edge of the top plate 306 is provided with a limiting plate 307.
In this embodiment, a wheel groove is formed in the side wall of the rotating ring 301, the wheel groove is a through hole, a rotating wheel 309 is arranged in the wheel groove, and the diameter of the rotating wheel 309 is larger than that of the wheel groove, so that the rotating wheel 309 extends to the outside of the rotating groove 403, the middle part of the rotating wheel 309 is connected with the rotating ring 301 through a wheel shaft 308, and the rotating wheel 309 is connected with the inner wall of the rotating groove 403 in a rolling manner, thereby playing roles of reducing friction and supporting left and right.
In this embodiment, the upper end of the swivel 301 is provided with a connecting column 305, and the connecting column 305 is inserted into the bridge 1.
As the semicircular structure of the central swivel mount 6 in fig. 6, the edge of the central swivel mount 6 is provided with a third connecting disc 601, the middle part of the outer convex surface of the central swivel mount 6 is provided with a swivel post 603, the edge of the central bracket 8 is provided with a fourth connecting disc 801 (as shown in fig. 7), the upper end of the central bracket 8 is provided with an inner groove matched with the central swivel mount 6, and the middle part of the inner groove is provided with a limiting groove 804 matched with the swivel post 603.
In this embodiment, the outer convex surface of the central rotating base 6 is provided with an anti-deviation block 602, and the upper end of the central bracket 8 is provided with an anti-deviation groove 802 matched with the anti-deviation block 602.
In this embodiment, the middle of the central rotating base 6 is provided with a shaft hole 604 matching with the rotating shaft 7, the middle of the central bracket 8 is provided with a sleeve hole 803, a shaft sleeve 9 is arranged in the sleeve hole 803, the shaft sleeve 9 matches with the rotating shaft 7, and the lower end of the shaft sleeve 9 is connected with the pier 5.
In this embodiment, all be equipped with bolt hole 304 on first connection pad 401, second connection pad 302, third connection pad 601 and the fourth connection pad 801, connect fixedly through the bolt, rotatory in-process, confirm the rotation center through the pivot, slide 3 carries out steady rotation in support rail 4, realizes that the bridge turns, and shock attenuation lug 404 can filter the vibrations in the rotatory process, stability when increasing to turn.
When this shock-proof type bridge structure of turning installs, protection landing leg 2 is installed at the both ends of bridge 1, leave the clearance between protection landing leg 2 and the pier 5, rub between with pier 5 when preventing to rotate, can play supporting role when the bridge 1 rotates to heels, center swivel mount 6 is fixed at 1 lower extreme middle part of bridge, center bracket 8 is installed at 5 upper end middle parts of bridge, install pivot 7 in axle sleeve 9, center swivel mount 6 cover is in the outside of pivot 7, the upper end at pier 5 is installed to support rail 4, the lower extreme at bridge 1 is installed to slide 3, slide 3 and support rail 4 cooperation, when turning, through setting up rotation bridge 1 with the help of the outside, the bridge is under the cooperation of slide 3 and support rail 4, realize the steady rotation of bridge 1 under the cooperation of center swivel mount 6 and center bracket 8, realize the bridge process of turning.
The shock-absorbing bridge turning structure disclosed by the invention ensures the center of a bridge 1 during turning through the matching between the central bracket 8 and the central swivel 6, the periphery of the bridge 1 is supported by the sliding seat 3, the sliding seat 3 slides in the supporting guide rail 4, the bridge 1 is prevented from inclining, the stability during turning is ensured, and the safety during inclining or turning damage can be increased by arranging the protective support legs 2, so that the use safety is ensured.
According to the shock-absorbing bridge swivel structure disclosed by the invention, the swivel slides on the shock-absorbing bump 404, the shock absorption and buffering effects can be achieved, the rotating wheel 309 on the swivel 301 is matched with the inner wall of the guide ring 402, the swivel 301 can be prevented from shaking in the guide ring 402, the rotation stability is increased, the friction can be reduced, and the smoothness of the swivel is improved.
According to the shock-absorbing bridge swivel structure disclosed by the invention, the edge of the upper end of the swivel groove 403 is provided with the semicircular boss, the top plate 306 is in contact connection with the boss 405, friction can be reduced by adopting a line contact mode, meanwhile, the top plate 306 plays a supporting role, the supporting area is enlarged, swivel stability is ensured, the edge of the top plate 306 is provided with the limiting plate 307, the side tilting during swivel is avoided, and the vibration is reduced.
The shock-absorbing bridge swivel structure disclosed by the invention has the advantages that the upper end of the central bracket 8 is provided with the inner groove matched with the central swivel base 6, the middle part of the inner groove is provided with the limiting groove 805 matched with the swivel post, the matching tightness between the central swivel base 6 and the central bracket 8 can be ensured, the relative sliding is prevented, the outer convex surface of the central swivel base 6 is provided with the anti-deviation block 602, the upper end of the central bracket 8 is provided with the anti-deviation groove 802 matched with the anti-deviation block 602, and the stability in rotation can be further improved.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (7)
1. The utility model provides a shock-proof type bridge structure of turning which characterized in that: the bridge comprises a sliding seat (3), a supporting guide rail (4), a central swivel base (6) and a central bracket (8), wherein the central bracket (8) is fixed with a bridge pier (5), the central swivel base (6) is connected with the middle part of the lower end of the bridge (1), the central swivel base (6) is matched with the central bracket (8), the central swivel base (6) is connected with the central bracket (8) through a rotating shaft (7), the sliding seat (3) connected with the bridge (1) is sleeved outside the central swivel base (6), the supporting guide rail (4) matched with the sliding seat (3) is arranged on the bridge pier (5), and a protective supporting leg (2) is arranged at the edge of the lower end of the bridge (1); the sliding seat (3) comprises a rotating ring (301), a second connecting disc (302) connected with the bridge (1) is arranged on the side wall of the rotating ring (301), a matching groove (303) is formed in the lower end of the rotating ring (301), the supporting guide rail (4) comprises a guide ring (402), a first connecting disc (401) connected with a bridge pier (5) is arranged on the side wall of the guide ring (402), a rotating groove (403) matched with the rotating ring (301) is formed in the upper end of the guide ring (402), a damping lug (404) is arranged in the rotating groove (403), and the damping lug (404) is matched with the matching groove (303); the edge of the upper end of the rotary groove (403) is a semicircular boss (405), the side wall of the rotary ring (301) is provided with a top plate (306), the top plate (306) is positioned above the boss (405), the top plate (306) is in contact connection with the boss (405), and the edge of the top plate (306) is provided with a limiting plate (307); a rotating groove (403) is formed in the rotating ring (301), a rotating wheel (309) is arranged in the rotating groove (403), the rotating wheel (309) is connected with the rotating ring (301) through a wheel shaft (308), and the rotating wheel (309) is connected with the inner wall of the rotating groove (403).
2. The shock-absorbing bridge swivel structure of claim 1, wherein: the upper end of the swivel (301) is provided with a connecting column (305), and the connecting column (305) is inserted into the bridge (1).
3. The shock-absorbing bridge swivel structure of claim 1, wherein: the semicircular structure of center swivel mount (6), the edge of center swivel mount (6) is equipped with third connection pad (601), and the middle part of the evagination face of center swivel mount (6) is equipped with rotary column (603), the edge of center bracket (8) is equipped with fourth connection pad (801).
4. The shock-absorbing bridge swivel structure of claim 3, wherein: the outer convex surface of the central rotating seat (6) is provided with an anti-deviation block (602), and the upper end of the central bracket (8) is provided with an anti-deviation groove (802) matched with the anti-deviation block (602).
5. The shock-absorbing bridge swivel structure of claim 1, wherein: the middle part of the central swivel base (6) is provided with a shaft hole (604) matched with the rotating shaft (7).
6. The shock-absorbing bridge swivel structure of claim 3, wherein: the upper end of the central bracket (8) is provided with an inner groove matched with the central rotating seat (6), and the middle part of the inner groove is provided with a limiting groove (804) matched with the rotating column (603).
7. The shock-absorbing bridge swivel structure of claim 1, wherein: the middle part of center bracket (8) is equipped with trepanning (803), be equipped with axle sleeve (9) in trepanning (803), axle sleeve (9) and pivot (7) cooperation, the lower extreme and the pier (5) of axle sleeve (9) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599894.6A CN111691316B (en) | 2020-06-28 | 2020-06-28 | Shock-proof bridge structure of turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599894.6A CN111691316B (en) | 2020-06-28 | 2020-06-28 | Shock-proof bridge structure of turning |
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| Publication Number | Publication Date |
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| CN111691316A CN111691316A (en) | 2020-09-22 |
| CN111691316B true CN111691316B (en) | 2022-02-18 |
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| CN202010599894.6A Active CN111691316B (en) | 2020-06-28 | 2020-06-28 | Shock-proof bridge structure of turning |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113235457A (en) * | 2021-05-21 | 2021-08-10 | 中铁二十二局集团第一工程有限公司 | Active control device for bridge rotation construction |
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| CN111691316A (en) | 2020-09-22 |
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Effective date of registration: 20231221 Address after: 030001 new road, Yingze District, Taiyuan, Shanxi Province, No. 9 Patentee after: SHANXI CONSTRUCTION ENGINEERING GROUP Co.,Ltd. Address before: 400074 No. 66, Xuefu Avenue, Nan'an District, Chongqing Patentee before: CHONGQING JIAOTONG University |