CN213804938U - Horizontal swivel system of rigid frame bridge - Google Patents
Horizontal swivel system of rigid frame bridge Download PDFInfo
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- CN213804938U CN213804938U CN202022482909.9U CN202022482909U CN213804938U CN 213804938 U CN213804938 U CN 213804938U CN 202022482909 U CN202022482909 U CN 202022482909U CN 213804938 U CN213804938 U CN 213804938U
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- 230000001154 acute effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000011178 precast concrete Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a horizontal system of turning of rigid frame bridge, the cushion cap below is equipped with a plurality of foundation piles, the track wall encloses into the round setting on the cushion cap, circular track sets up on the track wall, the stand lower extreme of turning is equipped with spherical gyro wheel, and be the hexagon and set up respectively on circular track, turn and be equipped with bearing structure between the stand, the main mound sets up at the cushion cap center, and the top is equipped with the base, the bridge body sets up in the stand top of turning, turn and be equipped with the jack between stand and the bridge body, the cassette sets up in bridge body lower surface both sides, install the top stand in bridge body middle part both sides, top stand lower part both sides are equipped with the dead lever, the upper portion both sides are equipped with the cable, the pull rod of cable other end connection card in the cassette, counter-force seat symmetrical arrangement is on the cushion cap, the stand is connected to traction cable one end, the other end passes counter-force seat and connects the traction jack. The utility model discloses effectively reduce the construction degree of difficulty, reduce construction work volume, improved the efficiency of construction of bridge.
Description
Technical Field
The utility model relates to a bridge engineering field, in particular to rigid frame bridge level system of turning.
Background
With the development of traffic engineering construction, the number of overpass bridges which have to be built like roads and railways crossing each other will increase. In order to reduce the influence of the construction of the overpass bridge on the lines possibly caused by the existing operation, the construction without a support of the bridge is required in the construction process. The bridge turning construction is one of the bridge support-free construction, and refers to a construction method that after a bridge structure is manufactured (poured or spliced) and formed at a non-designed axis position, the operation over an obstacle can be converted into the operation on the shore or near the ground through a turning in place, so that the bridge turning construction is particularly suitable for the construction-limited sites of crossing deep valleys, water depth and rapidness, interchange, scenic resort, natural protection areas and the like.
The existing swivel construction mainly comprises a pier top swivel and a pier bottom swivel, but still has some defects in the actual application process. The existing pier top swivel only needs to rotate a bridge body by arranging a rotating system between the pier top and the beam bottom, so that the swivel mass is small, but the operation space of the pier top is small, and the safety is poor; and pier bottom rotation need rotate pier and bridge roof beam body together, so the weight of rotating is great, and in order to guarantee the smoothness ability of bridge pier body in the in-process of rotating, need the manual work to paint butter, installs polytetrafluoroethylene board, leads to staff's the operation degree of difficulty higher and work load great. In addition, the bridge turning structures are not only complicated to install, but also easy to deform and damage the bridge body in the turning process.
Therefore, a rigid frame bridge horizontal swivel system which is convenient to construct, easy to operate, small in swivel weight and high in safety is needed to be sought.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a construction is convenient, easy operation, and the little and high rigid frame bridge level of weight of turning system of turning of security.
In order to achieve the above purpose, the technical scheme provides: a horizontal swivel system of a rigid frame bridge is characterized in that a plurality of foundation piles are arranged below a bearing platform, a main pier is arranged on the bearing platform, a track wall is arranged on the bearing platform in a circle by taking a top upright post as a circle center, a circular track is arranged on the track wall, spherical rollers are arranged at the lower ends of swivel upright posts and are respectively arranged on the circular track in a hexagon shape, and a supporting structure is arranged between the swivel upright posts; the bridge body sets up in the stand top of turning, turns and is equipped with the jack between stand and the bridge body, and the cassette setting is in bridge body bottom surface both sides, installs the top stand in bridge body middle part both sides, and the lower part both sides of top stand are equipped with the dead lever, and the upper portion both sides are equipped with the cable, and the pull rod of card in the cassette is connected to the cable other end, and counter-force seat symmetrical arrangement is on the cushion cap, and the stand of turning is connected to traction cable one end, and the other end passes counter-force seat (18) and connects the traction jack.
In some embodiments, the main pier is placed in the center of the platform, and the top of the main pier is provided with a base.
In some embodiments, the top side of the circular track is concave to form a semi-circular groove, and the radius of the semi-circular groove is the same as the radius of the spherical roller.
In some embodiments, the clamping seat is in a triangular structure, an acute angle is formed between the clamping seat and the bridge body, and the pull rod is clamped in the acute angle space.
In some embodiments, the securing bars are disposed on opposite sides of the top post and are inclined relative to the top post.
In some embodiments, the support structure includes outer supports and inner supports, with the outer supports disposed between adjacent rotor posts and the inner supports disposed between spaced rotor posts in a cross-brace arrangement.
In some embodiments, the minimum clearance between the inner support and the main pier needs to be equal to or greater than the safety clearance.
In some embodiments, the foundation pile is a bored pile group or a precast concrete pile group.
In some embodiments, the spherical roller is a shaftless gimbaled spherical roller.
In some embodiments, the swivel upright is a steel pipe pile, and the bottom end of the swivel upright is connected with the spherical roller in a welding mode.
Compared with the prior art, the scheme has the following characteristics and beneficial effects:
compared with the prior art, the utility model discloses in adopt rigid frame bridge level system of turning, not only construction convenience easily operates, it is high to have improved the efficiency of construction, and the weight of turning is little moreover, and operating space is big, and the security is high, and technical advantage is obvious.
The utility model discloses set up opposite-pulling protection architecture such as top stand, dead lever, cable, pull rod, cassette on the bridge body, easy dismounting has avoided the bridge body to receive the deformation because of self gravity and has destroyed, has improved the bulk rigidity of the bridge body.
The utility model discloses a shaftless universal ball gyro wheel and upright post structure of turning, easy dismounting can remove on circular track, and overall structure is firm, bears the dynamic height, and technical advantage is obvious.
Drawings
Fig. 1 is a schematic view of a rigid frame bridge horizontal swivel system according to the present embodiment.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the pile foundation and the main pier according to the present embodiment.
Fig. 4 is a layout view of a circular rail and a rail wall according to the present embodiment.
Fig. 5 is a cross-sectional view of fig. 4.
Fig. 6 is a schematic view of the arrangement of a rotor post according to the present embodiment.
Fig. 7 is a cross-sectional view of fig. 6.
Fig. 8 is a schematic structural view of a bridge body according to the present embodiment.
Fig. 9 is a schematic layout of the traction and power system according to the present embodiment.
Wherein: 1-bridge body; 2-stay cable; 3-top column; 4-fixing the rod; 5-a pull rod; 6-card seat; 7-jack; 8-swivel upright; 9-spherical roller; 10-circular orbit; 11-rail wall; 12-a platform; 13-foundation pile; 14-a base; 15-main pier; 16-a support structure; 17-a traction cable; 18-counterforce seat; 19-outer support; 20-inner support; 21-traction jack.
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 all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
A horizontal swivel system of a rigid frame bridge comprises a bridge body (1), a stay cable (2), a top pillar (3), a fixing rod (4), a pull rod (5), a clamping seat (6), a jack (7), a swivel upright post (8), a spherical roller (9), a circular track (10), a track wall (11), a bearing platform (12), a foundation pile (13), a base (14), a main pier (15), a supporting structure (16), a traction cable (17), a counter-force seat (18) and a traction jack (21).
A plurality of foundation piles (13) are arranged below the bearing platform (12), the main pier (15) is arranged at the center of the bearing platform (12), a base (14) is arranged at the top of the main pier (15), the track wall (11) is arranged on the bearing platform (12) in a circle by taking the main pier (15) as the center of the circle, the circular track (10) is arranged on the track wall (11), the lower end of the swivel upright post (8) is provided with spherical rollers (9) which are hexagons and are respectively arranged on the circular track (10), a supporting structure (16) is arranged between the swivel upright posts (8), the bridge body (1) is arranged above the swivel upright post (8), a jack (7) is arranged between the swivel upright post (8) and the bridge body (1), clamping seats (6) are arranged at two sides of the bottom surface of the bridge body (1), the top upright posts (3) are arranged at two sides of the middle part of the bridge body (1), and fixing rods (4) are arranged at two sides, the upper part both sides are equipped with cable (2), and pull rod (5) of card in cassette (6) is connected to cable (2) other end, and counter-force seat (18) symmetrical arrangement is on cushion cap (12), and the stand (8) of turning is connected to traction cable (17) one end, and the other end passes counter-force seat (18) and connects and pulls jack (21).
Wherein the foundation piles (13) are arranged in parallel at intervals; and then constructing a pouring bearing platform (12) on the foundation pile (13), wherein the main pier (15) is preferably arranged at the position of the center shaft of the bearing platform (12). The circular track (10) is fixedly installed on the track wall (11) by using expansion bolts, wherein the top side of the circular track (10) is concave inwards to form a semicircular groove, and the radius of the semicircular groove is the same as that of the spherical roller (9).
In addition, the construction of the foundation piles (13) can be that a plurality of foundation piles (13) can be formed by driving precast concrete piles at preset positions through measurement and setting out according to engineering conditions; or the drilling machine is put in place and the position of the foundation pile (13) is formed into pile holes one by one, the pile holes are placed into the reinforcement cage after being qualified, and the pile is cast into the reinforcement cage from top to bottom in sections to form the foundation pile (13)
Six rotating columns (8) are arranged in a regular hexagon, the rotating columns (8) can be clamped on the circular track (10), and the distance between the center of each rotating column (8) and the center of the regular hexagon is equal to the radius of the center of the circular track (10).
Wherein the clamping seat (6) is of a triangular structure, an acute angle is formed between the clamping seat (6) and the bridge body (1), and the pull rod (5) is clamped in the acute angle space. The fixed rods (4) are respectively arranged on two sides of the top upright post (3) and are inclined relative to the top upright post (3). The inhaul cable (2) is connected with a pull rod (5) in the clamping seat (6) close to one side.
Specifically, the force receiving directions of the reaction force seats (18) on the two sides of the split track wall (11) are opposite, and if the reaction force seat (18) on the left side is upwards received, the reaction force seat (19) on the right side is downwards received.
The supporting structure (16) comprises an outer support (19) and an inner support (20), the outer support (19) is arranged between adjacent rotating upright columns (8), the inner support (20) is arranged between the interval rotating upright columns (8) in a cross-bracing staggered mode, and the minimum clear distance between the inner support (20) and the main pier (15) is larger than or equal to the safe clear distance.
Specifically, in the construction process, a jack (7) at the top end of a swivel upright post (8) is utilized to lift the bridge body (1) away from a base (14), then a lubricant is added to a circular track (10) and a spherical roller (9), then a traction jack (21) is started, the swivel upright post (8) is pulled to move on the circular track (10), and the bridge body (1) at the top of the swivel upright post (8) is driven to rotate. After the bridge body (1) is turned in place, after the consolidation construction is completed, the top upright post (3), the fixed rod (4), the inhaul cable (2), the pull rod (5) and the clamping seat (6) on the bridge body (1) and all facilities except the main pier (15) on the bearing platform (12) are removed, so that the construction of horizontal turning of the bridge is completed.
The longitudinal section of the circular track (10) is in a groove shape.
The foundation pile (13) is a drilling cast-in-place pile group or a precast concrete pile group.
The spherical roller (9) is a shaftless universal spherical roller.
The swivel upright post (8) is a steel pipe pile, and the bottom end of the swivel upright post is connected with the spherical roller (9) in a welding manner.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. A rigid frame bridge horizontal swivel system, characterized by, includes:
the bridge comprises a bridge body (1), a top upright post (3), a clamping seat (6), a jack (7), a swivel upright post (8), a rail wall (11), a bearing platform (12), a foundation pile (13), a main pier (15) and a counter-force seat (18);
wherein a plurality of foundation piles (13) are arranged below the bearing platform (12), the main piers (15) are arranged on the bearing platform (12), the track wall (11) is arranged on the bearing platform (12) in a circle by taking the top upright post (3) as the center of the circle, the circular track (10) is arranged on the track wall (11), the lower end of the swivel upright post (8) is provided with spherical rollers (9) which are hexagonally arranged on the circular track (10) respectively, and a support structure (16) is arranged between the swivel upright posts (8); the bridge body (1) sets up in the stand (8) top of turning, it is equipped with jack (7) to turn between stand (8) and the bridge body (1), cassette (6) set up in bridge body (1) bottom surface both sides, install top stand (3) in bridge body (1) middle part both sides, the lower part both sides of top stand (3) are equipped with dead lever (4), the upper portion both sides are equipped with cable (2), pull rod (5) of cable (2) other end joint card in cassette (6), reaction seat (18) symmetrical arrangement is on cushion cap (12), stand (8) of turning is connected to traction cable (17) one end, the other end passes reaction seat (18) and connects and pulls jack (21).
2. A rigid frame bridge horizontal swivel system according to claim 1, characterized in that the main pier (15) is placed in the center of the platform (12), and the top of the main pier (15) is provided with a base (14).
3. A rigid frame bridge horizontal swivel system according to claim 1, wherein the top side of the circular track (10) is recessed to form a semi-circular groove having the same radius as the spherical roller (9).
4. The horizontal swivel system of a rigid frame bridge according to claim 1, wherein the clamping seat (6) is of a triangular structure, an acute angle is formed between the clamping seat (6) and the bridge body (1), and the pull rod (5) is clamped in the acute angle space.
5. A rigid frame bridge horizontal swivel system according to claim 1, wherein the fixing rods (4) are disposed at both sides of the top post (3) and inclined with respect to the top post (3).
6. A rigid frame bridge horizontal swivel system according to claim 1, wherein the support structure (16) comprises outer supports (19) and inner supports (20), the outer supports (19) being provided between adjacent swivel posts (8) and the inner supports (20) being provided between spaced swivel posts (8) in a cross-brace arrangement.
7. A rigid frame bridge horizontal swivel system according to claim 6, wherein the minimum clear distance between the inner support (20) and the main pier (15) needs to be greater than or equal to the safe clear distance.
8. A rigid frame bridge horizontal swivel system according to claim 1, wherein the foundation piles (13) are bored cast-in-place piles or precast concrete piles.
9. A rigid frame bridge horizontal swivel system according to claim 1, wherein the spherical rollers (9) are shaftless cardan spherical rollers.
10. The rigid frame bridge horizontal swivel system of claim 1, wherein the swivel upright posts (8) are steel pipe piles, and the bottom ends of the steel pipe piles are connected with the spherical rollers (9) in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022482909.9U CN213804938U (en) | 2020-10-29 | 2020-10-29 | Horizontal swivel system of rigid frame bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022482909.9U CN213804938U (en) | 2020-10-29 | 2020-10-29 | Horizontal swivel system of rigid frame bridge |
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| Publication Number | Publication Date |
|---|---|
| CN213804938U true CN213804938U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022482909.9U Active CN213804938U (en) | 2020-10-29 | 2020-10-29 | Horizontal swivel system of rigid frame bridge |
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| Country | Link |
|---|---|
| CN (1) | CN213804938U (en) |
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2020
- 2020-10-29 CN CN202022482909.9U patent/CN213804938U/en active Active
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Address after: 253000 159 Jinghua Avenue, Dezhou Economic and Technological Development Zone, Shandong Province Patentee after: Deda Transportation Construction and Development Group Co.,Ltd. Address before: 253000 159 Jinghua Avenue, Dezhou Economic and Technological Development Zone, Shandong Province Patentee before: DEZHOU ROAD ENGINEERING Corp. |