CN115807383A - Bridge supporting system capable of quickly replacing vulnerable component and using method - Google Patents
Bridge supporting system capable of quickly replacing vulnerable component and using method Download PDFInfo
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- CN115807383A CN115807383A CN202211260055.7A CN202211260055A CN115807383A CN 115807383 A CN115807383 A CN 115807383A CN 202211260055 A CN202211260055 A CN 202211260055A CN 115807383 A CN115807383 A CN 115807383A
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- sliding plate
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- mirror surface
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 129
- 239000010935 stainless steel Substances 0.000 claims abstract description 129
- 230000000452 restraining effect Effects 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims description 25
- 239000004575 stone Substances 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009837 dry grinding Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge supporting system capable of quickly replacing a vulnerable component and a using method thereof, wherein the system comprises an upper support plate, a stainless steel mirror surface, a plane sliding plate, a spherical crown, a spherical sliding plate and a bottom basin; a stainless steel mirror surface restraining component is arranged between the upper support plate and the stainless steel mirror surface; a sliding plate restraint component is arranged between the plane sliding plate and the spherical crown; the stainless steel mirror surface restraining component comprises a stainless steel mirror surface seat plate which can be arranged on the concave surface at the bottom of the upper support plate in a drawing mode and a blocking strip which is detachably arranged at the bottom opening end of the upper support plate and used for blocking the stainless steel mirror surface seat plate; the stainless steel mirror surface is arranged on the bottom surface of the stainless steel mirror surface seat plate; the sliding plate restraining component comprises a sliding plate restraining plate which can be arranged on the concave surface at the top of the spherical crown in a drawing mode and a stop block which is detachably arranged at the opening end at the top of the spherical crown and used for plugging the sliding plate restraining plate; the plane sliding plate is arranged on the upper surface of the sliding plate restraint plate; this braced system can reduce the degree of difficulty of changing slide, stainless steel mirror surface, reduces the cost of changing slide, stainless steel mirror surface.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to a bridge supporting system capable of quickly replacing a vulnerable component and a using method thereof.
Background
The bridge support is used as an important force transmission device for the main beam and the lower structure, and has simple structure and clear stress; however, the bridge support needs to be exposed to the environment all the year round in use, and vulnerable parts of the support are easily damaged under the action of live load, temperature and the like. The phenomenon of sliding plate, stainless steel mirror surface wearing and tearing appears in the basin formula support and the ball-type support more commonly used in the bridge very much, and the phenomenon of steel and steel friction can appear after the partial whole wearing and tearing of sliding plate exposure, and the wearing and tearing will appear in the stainless steel mirror surface, and then change the bridge restraint state, this just needs to change the support, guarantees the normal use function of bridge. However, the replacement of the support has a great influence on the stress of the bridge, and the condition of the bridge needs to be monitored in real time to ensure the stress safety of the bridge. In addition, the support replacement not only needs to lift the beam body, but also needs to excavate the support anchoring area, and the replacement is still needed to be re-constructed, so that the cost is high, the process is complicated, and risks are caused.
Based on this, to the current defect of benzvalene form support and ball-type support urgent need one kind can quick replacement slide and stainless steel mirror surface's bridge beam supports, reduce the degree of difficulty of changing slide, stainless steel mirror surface, reduce the cost of changing slide, stainless steel mirror surface to the whole life of extension support reduces the cost that the bridge was maintained.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides a bridge supporting system and a method capable of quickly replacing a quick-wear component, wherein a stainless steel mirror surface restraining component is arranged at the bottom of an upper support plate in a drawable mode, so that the separation of a stainless steel mirror surface and an upper support plate is realized, and the stainless steel mirror surface is replaced by horizontally drawing out the stainless steel mirror surface restraining plate from the bottom of the upper support plate and taking down the stainless steel mirror surface; the plane sliding plate constraint component is arranged at the top of the spherical crown in a drawable mode, so that the plane sliding plate is separated from the spherical crown, and the plane sliding plate can be replaced by taking out the plane sliding plate constraint plate from the top of the spherical crown and taking down the plane sliding plate; the difficulty of replacing the sliding plate and the stainless steel mirror surface can be reduced, and the cost of replacing the sliding plate and the stainless steel mirror surface is reduced, so that the whole service life of the support is prolonged, and the cost of bridge maintenance is reduced.
In order to achieve the purpose, the invention provides a bridge supporting system capable of quickly replacing a quick-wear component, which is arranged between a main beam and a pad stone and comprises an upper support plate, a stainless steel mirror surface, a plane sliding plate, a spherical crown, a spherical sliding plate and a bottom basin which are sequentially arranged from top to bottom; the upper surface of the upper support plate is connected with the bottom of the main beam, and the lower surface of the bottom basin is connected with the top of the cushion stone; wherein,
a stainless steel mirror surface restraining component is arranged between the upper support plate and the stainless steel mirror surface; a sliding plate restraining component is arranged between the plane sliding plate and the spherical crown; the stainless steel mirror surface restraining component comprises a stainless steel mirror surface seat plate which can be arranged on a concave surface at the bottom of the upper support plate in a drawing mode and a blocking strip which is detachably arranged at the bottom opening end of the upper support plate and used for blocking the stainless steel mirror surface seat plate; the stainless steel mirror surface is arranged on the bottom surface of the stainless steel mirror surface seat plate; the sliding plate restraining assembly comprises a sliding plate restraining plate which can be drawn and arranged on the concave surface of the top of the spherical crown and a stop block which is detachably arranged at the opening end of the top of the spherical crown and used for blocking the sliding plate restraining plate; the plane sliding plate is arranged on the upper surface of the sliding plate constraint plate; the stainless steel mirror surface is conveniently replaced by disassembling the stainless steel mirror surface constraint assembly; the plane sliding plate is convenient to replace by disassembling the sliding plate constraint assembly.
Furthermore, a first groove with one closed end and one open end is formed at the bottom of the upper support plate;
the stainless steel mirror face seat plate can be arranged in the first groove in a drawing mode;
the barrier strip is arranged at the opening end of the first groove and is detachably connected with the end surfaces of two sides of the opening end of the upper support plate;
the lower surface of the stainless steel mirror face seat plate and the bottommost surface of the upper support plate are coplanar.
Furthermore, a second groove with one closed end and one open end is formed in the top of the spherical crown; the sliding plate restraint plate is arranged in a second groove in the top surface of the spherical crown;
the stop block is arranged at the top opening end of the second groove and is detachably connected with the end surfaces of two sides of the opening end of the spherical crown;
the length of the stop block is the same as that of the spherical crown; two ends of the check block are respectively provided with a check block bolt hole;
and the spherical crown is provided with spherical crown bolt holes corresponding to the stop block bolt holes.
Furthermore, the barrier strip comprises a baffle plate, a convex plate vertically arranged on the baffle plate and barrier strip bolt holes arranged at two ends of the baffle plate;
the baffle plate and the convex plate are manufactured integrally;
and the upper support plate is provided with an upper support plate bolt hole corresponding to the barrier strip bolt hole.
Furthermore, a third groove is formed in the upper surface of the sliding plate restraint plate;
the plane sliding plate is arranged in the third groove.
Further, the length of the baffle is the same as that of the upper support plate, and the width of the baffle is the same as the edge thickness of the upper support plate;
the length and the thickness of the convex plate and the stainless steel mirror face seat plate are the same;
the upper surface of the convex plate is flush with the upper surface of the baffle, and the lower surface of the convex plate and the lower surface of the baffle form a step.
Furthermore, reverse step chutes are arranged on two sides of the first groove;
convex strips matched with the inverted step sliding grooves are arranged on two sides of the stainless steel mirror face seat plate.
Furthermore, the upper surface of the upper support plate is a plane, and the lower surface of the upper support plate is a concave surface with an opening at one side; the lower surface of the bottom basin is a plane, and the upper surface of the bottom basin is a concave spherical surface; the lower surface of the spherical sliding plate is a convex spherical surface, and the upper surface of the spherical sliding plate is a concave spherical surface; the lower surface of the spherical crown is a convex spherical surface, and the upper surface of the spherical crown is a concave surface with an opening at one side; the convex spherical surface of the spherical sliding plate is arranged on the concave spherical surface of the bottom basin, and the convex spherical surface of the spherical crown is arranged on the concave spherical surface of the spherical sliding plate;
when the stainless steel mirror surface and the plane sliding plate are replaced, a hydraulic jack is arranged between the bottom of the main beam and the top of the cushion stone to temporarily support the bridge support, so that the vertical pressure of the stainless steel mirror surface seat plate and the vertical pressure of the sliding plate restraint plate are released.
Furthermore, the plane sliding plate is a macromolecular polyester compound, the elastic modulus of the plane sliding plate is 1500-2000 MPa, the friction coefficient is 0.02-0.03, and the long-distance dry grinding line abrasion rate is not more than 30 mu m/km.
Another aspect of the present invention provides a method for using a bridge supporting system capable of rapidly replacing a vulnerable component, comprising the following steps:
s1: arranging hydraulic jacks around a bridge support between the main beam and the cushion stone for temporary support, and jacking the main beam through the hydraulic jacks to release the vertical pressure of the stainless steel mirror surface seat plate and the slide plate restraint plate;
s2: loosening and taking down the bolts of the barrier strips or the stop blocks, and drawing out the stainless steel mirror surface assembly or the sliding plate constraint assembly;
s3: cutting the stainless steel mirror surface, polishing a base surface of the stainless steel mirror surface seat plate, and welding a new stainless steel mirror surface; taking down the old plane sliding plate, cleaning a third groove on the upper surface of the sliding plate restraint plate, and placing a new plane sliding plate;
s400: placing the stainless steel mirror surface restraint assembly back to the first groove at the bottom of the upper support plate, and fixing the barrier strip with the upper support plate; placing the sliding plate restraining component back into the second groove at the top of the spherical crown, and fixing the stop block and the spherical crown;
s5: and controlling the hydraulic jack to drop the hydraulic jack, thus completing the replacement of the vulnerable parts.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) According to the bridge supporting system capable of rapidly replacing quick-wear components, the stainless steel mirror surface restraining component is arranged at the bottom of the upper support plate in a drawable mode, the stainless steel mirror surface is arranged on the stainless steel mirror surface restraining plate, the stainless steel mirror surface is separated from the upper support plate, and the stainless steel mirror surface is replaced by horizontally drawing out the stainless steel mirror surface restraining plate from the bottom of the upper support plate and taking down the stainless steel mirror surface; the plane sliding plate restraining component is arranged at the top of the spherical crown in a drawable mode, the plane sliding plate is arranged on the upper surface of the plane sliding plate restraining plate, the plane sliding plate is separated from the spherical crown, and the plane sliding plate can be taken out of the top of the spherical crown and taken down to replace the plane sliding plate; in the maintenance process of the support device, hydraulic jacks are arranged around the support device to jack the main beam, so that the vertical pressure of the stainless steel mirror surface restraining component and the sliding plate restraining component is released, the support sliding plate and the stainless steel mirror surface are quickly replaced, the replacement difficulty of the support sliding plate and the stainless steel mirror surface can be reduced, the cost of replacing the sliding plate and the stainless steel mirror surface is reduced, the time of traffic interruption can be reduced, the service life of the support is prolonged, and the cost of bridge maintenance is reduced.
(2) According to the support with the quick replaceable quick-wear component, provided by the invention, in the replacement process of the plane sliding plate or the stainless steel mirror surface, the jack only needs to lift the main beam to release the pressure applied to the stainless steel mirror surface restraining component and the sliding plate restraining component, and the risk in the maintenance process of the support can be greatly reduced.
Drawings
FIG. 1 is a schematic front view of a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of an enlarged structure of a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 3 is a schematic front view of an upper bracket plate of a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a bridge support system with quick replacement of vulnerable components, showing the installation state of an upper support plate and a stainless steel mirror surface restraining component;
FIG. 5 is a schematic front view of an upper bracket plate of a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 6 is a schematic front view of a barrier of a bridge support system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 7 is a schematic top view of a stop bar of a bridge support system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 8 is a schematic front view of a restraint assembly for restraining a spherical cap and a sliding plate of a bridge support system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 9 is a schematic front view of a spherical cap of a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 10 is a schematic front view of a stop block of a bridge support system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 11 is a schematic top view of a bridge support block with quick replacement of vulnerable components according to the present invention;
FIG. 12 is a schematic top view of a restraining plate of a sliding plate of a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention;
FIG. 13 is a schematic front view of a front jacking girder of a bridge supporting system with a replaceable quick-replaceable wearing component according to an embodiment of the present invention;
FIG. 14 is an enlarged partial view of a front jacking girder of a bridge supporting system with quick replaceable wearing parts according to an embodiment of the present invention, with a replaceable planar sliding plate;
FIG. 15 is a schematic front view of a bridge supporting system for rapidly replacing a wearing part according to an embodiment of the present invention;
FIG. 16 is an enlarged partial schematic view of a planar slide plate of a bridge support system with quick replacement of vulnerable components according to an embodiment of the present invention;
fig. 17 is a schematic flow chart illustrating a method for replacing a bridge supporting system capable of rapidly replacing a vulnerable component according to an embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-upper support plate, 11-first groove, 12-inverted step chute, 13-upper support plate bolt hole, 2-stainless steel mirror surface restriction component, 21-stainless steel mirror surface seat plate, 211-convex strip, 22-barrier strip, 221-baffle plate, 222-convex plate, 223-barrier strip bolt hole, 224-barrier strip connecting bolt, 3-stainless steel mirror surface, 4-plane sliding plate, 5-sliding plate restriction component, 51-sliding plate restriction plate, 511-third groove, 52-barrier, 521-barrier bolt hole, 522-barrier connecting bolt, 6-spherical crown, 61-second groove, 62-spherical crown bolt hole, 7-spherical sliding plate, 8-bottom basin, 9-main beam, 10-cushion stone and 101-hydraulic jack.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, when an element is referred to as being "fixed to", "disposed on" or "disposed on" another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element; the terms "mounted," "connected," and "provided" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1-16, the present invention provides a bridge supporting system capable of rapidly replacing a vulnerable component, which comprises an upper support plate 1, a stainless steel mirror surface 3, a planar sliding plate 4, a spherical crown 6, a spherical sliding plate 7 and a bottom basin 8, which are sequentially arranged from top to bottom; a stainless steel mirror surface constraint component 2 is arranged between the upper support plate 1 and the stainless steel mirror surface 3 and is used for realizing position constraint and convenient replacement of the stainless steel mirror surface 3; a sliding plate restraining component 5 is arranged between the plane sliding plate 4 and the spherical crown 6 and is used for realizing position restraint and convenient replacement of the plane sliding plate 4; the stainless steel mirror surface restraining component is arranged at the bottom of the upper support plate in a drawable mode, so that the stainless steel mirror surface is separated from the upper support plate, and the stainless steel mirror surface restraining plate is horizontally drawn out from the bottom of the upper support plate and taken down, so that the stainless steel mirror surface is replaced; the plane sliding plate constraint component is arranged at the top of the spherical crown in a drawable mode, so that the plane sliding plate is separated from the spherical crown, and the plane sliding plate constraint plate can be taken out of the top of the spherical crown and taken down, so that the plane sliding plate is replaced; the difficulty of replacing the sliding plate and the stainless steel mirror surface can be reduced, and the cost of replacing the sliding plate and the stainless steel mirror surface is reduced, so that the whole service life of the support is prolonged, and the cost of bridge maintenance is reduced.
Further, as shown in fig. 1 to 16, the upper surface of the upper support plate 1 is a plane, and the lower surface is a concave surface with one side opened; the lower surface of the bottom basin 8 is a plane, and the upper surface is a concave spherical surface; the lower surface of the spherical sliding plate 7 is a convex spherical surface, and the upper surface is a concave spherical surface; the lower surface of the spherical crown 6 is a convex spherical surface, and the upper surface is a concave surface with an opening at one side; the convex spherical surface of the spherical sliding plate 7 is arranged on the concave spherical surface of the bottom basin 8, and the convex spherical surface of the spherical crown 6 is arranged on the concave spherical surface of the spherical sliding plate 7.
Further, as shown in fig. 1 to 16, the stainless steel mirror surface restriction component 2 includes a stainless steel mirror surface seat plate 21 which can be drawn and arranged on the concave surface at the bottom of the upper support plate 1, and a barrier strip 22 which is detachably arranged at the bottom opening end of the upper support plate 1 and is used for blocking the stainless steel mirror surface seat plate 21; the stainless steel mirror 3 is arranged on the bottom surface of the stainless steel mirror seat plate 21; through stainless steel mirror surface bedplate 21 with but the pull design of upper bracket board 1 bottom and through blend stop 22 is right stainless steel mirror surface bedplate 21 is in the shutoff can be dismantled to upper bracket board 1 bottom open end, realizes the quick replacement of stainless steel mirror surface 3 when maintaining.
Further, as shown in fig. 1 to 16, the bottom of the upper support plate 1 is provided with a first groove 11 with one closed end and one open end; two sides of the first groove 11 are provided with inverted step chutes 12; the barrier strip 22 is arranged at the opening end of the first groove 11 and is detachably connected with the end surfaces of two sides of the opening end of the upper support plate 1; convex strips 211 matched with the inverted step sliding grooves 12 are arranged at two sides of the stainless steel mirror surface seat plate 21; the stainless steel mirror face seat plate 21 and the bottom of the upper support plate 1 can be drawn and pulled through the matching of the convex strips 211 and the inverted step sliding grooves 12.
Further, as shown in fig. 1 to 16, the barrier strip 22 is a convex wedge, and includes a baffle 221, a convex plate 222 vertically disposed on the baffle 221, and barrier strip bolt holes 223 disposed at two ends of the baffle 221; the baffle 221 is integrally provided with the convex plate 222; an upper support plate bolt hole 13 corresponding to the barrier strip bolt hole 223 is formed in the upper support plate 1; the upper support plate bolt holes 13 are formed in the end faces of the two sides of the opening end of the first groove 11; the barrier rib connecting bolt 224 passes through the barrier rib bolt hole 223 and the upper support plate bolt hole 13 and is fixed, and the stainless steel mirror surface seat plate 21 is restrained.
Further, as shown in fig. 1 to 16, the baffle 221 is long, the length of the baffle is the same as the length of the upper support plate 1, and the width of the baffle is the same as the thickness of the edge of the upper support plate 1; the length of the convex plate 222 is the same as that of the stainless steel mirror surface seat plate 21; the length of the stainless steel mirror surface seat plate 21 is the same as the length of the bottom opening of the upper support plate 1; the side of the convex plate 222 away from the baffle 221 contacts with the stainless steel mirror seat plate 21; the thickness of the convex plate 222 is the same as that of the stainless steel mirror seat plate 21; the upper surface of the convex plate 222 is flush with the upper surface of the baffle 221, and the lower surface of the convex plate 222 and the lower surface of the baffle 221 form a step; the lower surface of the stainless steel mirror face seat plate 21 is coplanar with the bottommost surface of the upper support plate 1; the stainless steel mirror 3 is a square mirror and can be welded or bolted on the bottom surface of the stainless steel mirror base plate 21.
Further, as shown in fig. 1 to 16, the sliding plate restraining assembly 5 includes a sliding plate restraining plate 51 drawably disposed on the concave surface of the top of the spherical cap 6 and a stopper 52 detachably disposed on the open top end of the spherical cap 6 for blocking the sliding plate restraining plate 51; the plane sliding plate 4 is arranged on the upper surface of the sliding plate restraint plate 51; the plane sliding plate 4 can be quickly replaced during maintenance through the drawable design of the sliding plate restraint plate 51 and the top of the spherical crown 6 and the detachable plugging of the sliding plate restraint plate 51 at the top opening end of the spherical crown 6 through the stop block 52.
Further, as shown in fig. 1 to 16, a second groove 61 with one closed end and one open end is provided at the top of the spherical cap 6; the sliding plate restraint plate 51 is arranged in the second groove 61 on the top surface of the spherical cap 6; the stopper 52 is arranged at the top opening end of the second groove 61 and is detachably connected with the end surfaces of two sides of the opening end of the spherical crown 6; the stop block 52 is in a rectangular strip structure; the length of the stopper 52 is the same as that of the spherical cap 6; two ends of the stopper 52 are respectively provided with a stopper bolt hole 521; the spherical crown 6 is provided with a spherical crown bolt hole 62 corresponding to the stopper bolt hole 521; the spherical crown bolt holes 62 are formed in the end surfaces of the two sides of the opening end of the second groove 61; the upper surface of the sliding plate constraint plate 51 is provided with a third groove 511 for constraining the plane sliding plate 4; the plane sliding plate 4 is circular and is arranged in the third groove 511; the stopper connecting bolt 522 passes through the spherical crown bolt hole 62 and the stopper bolt hole 521 to restrain and fix the slide plate restraint plate 51, so as to realize restraint on the planar slide plate 4.
Further, the plane sliding plate 4 is circular; the plane sliding plate 4 is a macromolecular polyester compound, the elastic modulus of the plane sliding plate is 1500-2000 MPa, the friction coefficient is 0.02-0.03, and the long-distance dry grinding line abrasion rate is not more than 30 mu m/km.
Further, when the device works, the upper surface of the upper support plate 1 is connected with the bottom of the main beam 9, and the lower surface of the bottom basin 8 is connected with the top of the cushion stone 10; when the stainless steel mirror surface 3 and the plane sliding plate 4 need to be replaced, the hydraulic jacks 101 are arranged between the bottom of the main beam 9 and the top of the cushion stone 10 around the support for temporary support, so that the vertical pressure of the stainless steel mirror surface seat plate 21 and the sliding plate constraint plate 51 is released, and the stainless steel mirror surface 3 and the plane sliding plate 4 are replaced and maintained quickly.
As shown in fig. 17, another aspect of the present invention provides a method for using a bridge supporting system capable of rapidly replacing a vulnerable component, comprising:
s1: hydraulic jacks 101 are arranged around the bridge bearing between the main beam 9 and the cushion stone 10 for temporary support; jacking the main beam through a hydraulic jack 101 to release the vertical pressure of the stainless steel mirror surface seat plate 21 and the sliding plate restraint plate 51; the jacking height of the hydraulic jack 101 is based on the pressure capable of releasing the stainless steel mirror surface restraining assembly and the sliding plate restraining assembly;
s2: loosening and taking down the bolts of the barrier strip 22 or the stop block 52, and drawing out the stainless steel mirror surface assembly or the sliding plate constraint assembly;
s3: cutting the stainless steel mirror surface 3, polishing the base surface of the stainless steel mirror surface seat plate 21, and welding a new stainless steel mirror surface 3; taking down the old plane sliding plate 4, cleaning a third groove 511 on the upper surface of the sliding plate restraint plate 51, and placing a new plane sliding plate 4;
s4: the stainless steel mirror surface restraining component 2 is placed back to the first groove 11 at the bottom of the upper support plate 1, and the barrier strip 22 is fixed with the upper support plate 1 by using a barrier strip connecting bolt 224; the sliding plate restraining component 5 is placed back into the second groove 61 at the top of the spherical crown 6, and the stopper 52 is fixed with the spherical crown 6 by using a stopper connecting bolt 522;
s5: and controlling the hydraulic jack to drop, thus completing the replacement of the vulnerable parts.
The invention provides a working principle of a bridge supporting system capable of quickly replacing a vulnerable component, which comprises the following steps: the bottom of the upper support plate is provided with a first groove with one closed end and one open end, the stainless steel mirror surface seat plate can be arranged in the first groove in a pulling mode, the stainless steel mirror surface is arranged at the bottom of the stainless steel mirror surface seat plate, inverted step sliding grooves are arranged on two sides of the first groove of the upper support plate, convex strips matched with the inverted step sliding grooves are arranged on two sides of the stainless steel mirror surface seat plate, constraint and pulling guide of the stainless steel mirror surface seat plate are achieved, and the barrier strips are connected with the upper support plate through barrier strip connecting bolts to constrain the stainless steel mirror surface seat plate; the top of the spherical crown is provided with a second groove with one closed end and one open end, the plane sliding plate restraint plate can be arranged in the second groove in a drawing mode, the upper surface of the plane sliding plate restraint plate is provided with a third groove, the plane sliding plate is arranged in the third groove, and the check block is connected with the spherical crown through a check block connecting bolt to restrain the plane sliding plate restraint plate; the hydraulic jacks are arranged around the support to be used as temporary supports, and the pressure of the stainless steel mirror surface seat plate and the sliding plate restraint plate is released, so that the stainless steel mirror surface and the plane sliding plate can be quickly replaced; the time of traffic interruption is reduced, the service life of the support is prolonged, and the maintenance cost of the bridge is reduced.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a but bridge braced system of quick replacement vulnerable component, locates between girder (9) and stone (10), its characterized in that: comprises an upper support plate (1), a stainless steel mirror surface (3), a plane sliding plate (4), a spherical crown (6), a spherical sliding plate (7) and a bottom basin (8) which are arranged from top to bottom in sequence; the upper surface of the upper support plate (1) is connected with the bottom of the main beam (9), and the lower surface of the bottom basin (8) is connected with the top of the cushion stone (10); wherein,
a stainless steel mirror surface restraining component (2) is arranged between the upper support plate (1) and the stainless steel mirror surface (3); a sliding plate constraint component (5) is arranged between the plane sliding plate (4) and the spherical crown (6); the stainless steel mirror surface restraining component (2) comprises a stainless steel mirror surface seat plate (21) which can be drawn and arranged on a concave surface at the bottom of the upper support plate (1) and a blocking strip (22) which is detachably arranged at an opening end at the bottom of the upper support plate (1) and is used for blocking the stainless steel mirror surface seat plate (21); the stainless steel mirror surface (3) is arranged on the bottom surface of the stainless steel mirror surface seat plate (21); the sliding plate restraining component (5) comprises a sliding plate restraining plate (51) which can be drawn and arranged on the concave surface of the top of the spherical crown (6) and a stop block (52) which is detachably arranged at the open end of the top of the spherical crown (6) and used for blocking the sliding plate restraining plate (51); the plane sliding plate (4) is arranged on the upper surface of the sliding plate restraint plate (51); the stainless steel mirror surface (3) is conveniently replaced by disassembling the stainless steel mirror surface constraint assembly (2); the plane sliding plate (4) can be conveniently replaced by disassembling the sliding plate constraint component (5).
2. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 1, wherein: a first groove (11) with one closed end and one open end is formed at the bottom of the upper support plate (1);
the stainless steel mirror face seat plate (21) can be arranged in the first groove (11) in a drawing mode;
the barrier strip (22) is arranged at the opening end of the first groove (11) and is detachably connected with the end surfaces of two sides of the opening end of the upper support plate (1);
the lower surface of the stainless steel mirror face seat plate (21) and the bottommost surface of the upper support plate (1) are coplanar.
3. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 2, wherein: a second groove (61) with one closed end and one open end is formed in the top of the spherical crown (6); the sliding plate restraint plate (51) is arranged in a second groove (61) on the top surface of the spherical crown (6);
the stop block (52) is arranged at the top opening end of the second groove (61) and is detachably connected with the end surfaces of two sides of the opening end of the spherical crown (6);
the length of the stopper (52) is the same as that of the spherical cap (6); two ends of the stop block (52) are respectively provided with a stop block bolt hole (521);
and the spherical crown (6) is provided with a spherical crown bolt hole (62) corresponding to the stopper bolt hole (521).
4. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 3, wherein: the barrier strip (22) comprises a baffle plate (221), a convex plate (222) vertically arranged on the baffle plate (221) and barrier strip bolt holes (223) arranged at two ends of the baffle plate (221);
the baffle (221) is integrated with the convex plate (222);
and an upper support plate bolt hole (13) corresponding to the barrier strip bolt hole (223) is arranged on the upper support plate (1).
5. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 4, wherein: a third groove (511) is formed in the upper surface of the sliding plate constraint plate (51);
the plane sliding plate (4) is arranged in the third groove (511).
6. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 5, wherein: the length of the baffle (221) is the same as that of the upper support plate (1), and the width of the baffle is the same as that of the edge of the upper support plate (1);
the length and the thickness of the convex plate (222) and the stainless steel mirror face seat plate (21) are the same;
the upper surface of the convex plate (222) is flush with the upper surface of the baffle plate (221), and the lower surface of the convex plate (222) and the lower surface of the baffle plate (221) form a step.
7. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 6, wherein: two sides of the first groove (11) are provided with inverted step chutes (12);
convex strips (211) matched with the inverted step sliding grooves (12) are arranged on two sides of the stainless steel mirror surface seat plate (21).
8. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 7, wherein: the upper surface of the upper support plate (1) is a plane, and the lower surface of the upper support plate is a concave surface with an opening at one side; the lower surface of the bottom basin (8) is a plane, and the upper surface of the bottom basin is a concave spherical surface; the lower surface of the spherical sliding plate (7) is a convex spherical surface, and the upper surface of the spherical sliding plate is a concave spherical surface; the lower surface of the spherical crown (6) is a convex spherical surface, and the upper surface is a concave surface with an opening at one side; the convex spherical surface of the spherical sliding plate (7) is arranged on the concave spherical surface of the bottom basin (8), and the convex spherical surface of the spherical crown (6) is arranged on the concave spherical surface of the spherical sliding plate (7);
when the stainless steel mirror face (3) and the plane sliding plate (4) are replaced, a hydraulic jack (101) is arranged between the bottom of the main beam (9) and the top of the cushion stone (10) around the bridge support for temporary support, so that the vertical pressure of the stainless steel mirror face seat plate (21) and the sliding plate restraint plate (51) is released.
9. The bridge supporting system capable of rapidly replacing a vulnerable component according to claim 8, wherein: the plane sliding plate (4) is a macromolecular polyester compound, the elastic modulus of the plane sliding plate is 1500-2000 MPa, the friction coefficient is 0.02-0.03, and the abrasion rate of a long-distance dry grinding line is not more than 30 mu m/km.
10. The use method of the bridge supporting system capable of rapidly replacing the quick-wear component is characterized in that the bridge supporting system capable of rapidly replacing the quick-wear component as claimed in any one of claims 1 to 9 is used, and comprises the following steps:
s1: hydraulic jacks are arranged around a bridge support between the main beam and the cushion stone for temporary support, and the main beam is jacked up through the hydraulic jacks, so that the vertical pressure of the stainless steel mirror surface seat plate and the slide plate restraint plate is released;
s2: loosening the bolts of the barrier strips or the stop blocks, and drawing out the stainless steel mirror surface assembly or the sliding plate constraint assembly;
s3: cutting the stainless steel mirror surface, polishing a base surface of the stainless steel mirror surface seat plate, and welding a new stainless steel mirror surface; taking down the old plane sliding plate, cleaning a third groove on the upper surface of the sliding plate restraint plate, and placing a new plane sliding plate;
s4: placing the stainless steel mirror surface restraining component back to the first groove at the bottom of the upper support plate, and fixing the barrier strip and the upper support plate; placing the sliding plate constraint component back into the second groove at the top of the spherical crown, and fixing the stop block with the spherical crown;
s5: and controlling the hydraulic jack to drop the hydraulic jack, thus completing the replacement of the vulnerable parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211260055.7A CN115807383B (en) | 2022-10-14 | 2022-10-14 | Bridge support system capable of rapidly replacing vulnerable components and application method |
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| CN202211260055.7A CN115807383B (en) | 2022-10-14 | 2022-10-14 | Bridge support system capable of rapidly replacing vulnerable components and application method |
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|---|---|
| CN115807383B (en) | 2024-08-23 |
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