CN111877139B - A beam-pier connection structure for a suspended monorail - Google Patents
A beam-pier connection structure for a suspended monorail Download PDFInfo
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- CN111877139B CN111877139B CN202010876182.4A CN202010876182A CN111877139B CN 111877139 B CN111877139 B CN 111877139B CN 202010876182 A CN202010876182 A CN 202010876182A CN 111877139 B CN111877139 B CN 111877139B
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- track
- pier
- cap
- connection structure
- suspended monorail
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a beam pier connecting structure of a suspension type monorail, which belongs to the technical field of suspension type monorails and comprises bridge piers, a bent cap and a track beam, wherein the bent cap is arranged at the top of the bridge piers, the track beam is arranged below the end part of the bent cap, the track beam is connected with the bent cap through a beam pier connecting assembly, the beam pier connecting assembly comprises bracket legs and connecting pieces, the bracket legs consist of L-shaped steel members and a plurality of stiffening ribs arranged on the steel members, one side folded edges of the two bracket legs are tightly attached to a diaphragm plate of the track beam, the other side folded edges of the two bracket legs are supported on the bent cap, and the three are fixedly connected through the connecting pieces. The invention provides a beam pier connecting structure of a suspension type monorail, which has the advantages of simple structure and quick construction, simultaneously transmits load born by the connecting structure to a capping beam and a pier in a pressure mode, ensures the stability and the safety of the suspension type monorail system, reduces the construction period and the construction cost of the support system, and has good popularization and application values and wide application prospects.
Description
Technical Field
The invention belongs to the field of suspension type monorails, and particularly relates to a beam pier connecting structure of a suspension type monorail.
Background
The monorail traffic system is a common rail traffic system, and forms three most common types of urban rail traffic together with a subway traffic system and a light rail traffic system. In a monorail transportation system, according to the difference of a running mode and a track structure, the monorail transportation system is mainly divided into suspended monorail transportation and straddle-type monorail transportation.
The suspended type monorail transportation system is a novel light urban rail transportation form with small and medium-sized transportation, and the heat of the suspended type monorail transportation system is gradually improved in the novel rail transportation field, particularly in the tourism field by virtue of the characteristics of small structural body quantity, good sightseeing experience and the like.
At present, standard beams of domestic and foreign suspension type monorail operation lines and test lines mainly adopt two pier beam connection modes of support connection and pin shaft connection. The support is connected, tension is converted into pressure through a bracket structure adopted by the pier top capping beam and the rail beam top, the pier beam connection is realized through the support arranged between the brackets, the structure is complex, the number of the supports is large, the steel consumption is large, the attractiveness is poor, and the rail beam replacement and maintenance difficulty is large. The hinge pin connection is realized by arranging the lug plates at the bottom of the pier top capping beam and the top of the track beam and penetrating the lug plates through the hinge pin, the structure is simple, the construction is quick, but the stress concentration effect near the hinge pin hole of the lug plates is obvious, the stress concentration phenomenon is relieved by using a steel plate with the thickness of more than 60mm, and the requirement on the welding of components is very high.
Disclosure of Invention
Aiming at one or more of the defects or improvement demands in the prior art, the invention provides a beam pier connecting structure of a suspension type monorail, which can effectively realize the connection between a track beam and a capping beam by arranging the beam pier connecting structure which is formed by corresponding steel members, stiffening ribs and connecting pieces.
In order to achieve the above purpose, the present invention provides a beam pier connection structure of a suspension type monorail, which is used for realizing the connection of a track beam below the end part of a cover beam;
The track beam is arranged below the end part of the capping beam, and the track beam and the capping beam are correspondingly connected through a plurality of beam pier connecting components, so that the load on the track beam can be converted into pressure load to be transmitted to the capping beam;
The beam pier connecting assembly is arranged corresponding to the diaphragm plate and comprises brackets and a plurality of connecting pieces which are arranged in pairs, wherein the brackets are supported on the bottom plates of the cover beams at two sides of the corresponding diaphragm plate and are correspondingly connected with the diaphragm plate through a plurality of connecting pieces.
As a further improvement of the invention, the bracket comprises a steel member in an L shape, a plurality of stiffening ribs are arranged between two folded edges of the steel member along the transverse direction of the steel member, and the stiffening ribs are respectively connected with the two folded edges of the steel member by side edges.
As a further improvement of the present invention, the connecting members in the pier Liang Liangdun connecting assembly are a plurality of connecting members arranged in an array.
The invention further improves that the track beam connected below the cover beam is a continuous track beam, at least one diaphragm plate with the top extending into the cover beam is arranged on the periphery of the track beam, and each diaphragm plate is correspondingly connected with the cover beam through the beam pier connecting component.
The invention further improves that two track beams with end parts correspondingly connected are arranged below the cover beam, at least one diaphragm plate with the top part extending into the cover beam is arranged on the periphery of the end parts of the two track beams respectively, and each diaphragm plate is correspondingly connected with the cover beam through the beam pier connecting component.
As a further improvement of the invention, at least one vertical reinforcing plate is arranged in the bent cap, and the vertical reinforcing plate is arranged on one or two sides of the transverse direction of the through hole and is connected with the inner peripheral wall surface of the bent cap to form an integral structure.
As a further improvement of the invention, the cover beam is also provided with a transverse reinforcing plate, and the transverse reinforcing plate is transversely arranged on the side plate or the bottom plate of the cover beam.
As a further improvement of the invention, the track beam comprises a box beam, and a plurality of diaphragm plates are arranged on the periphery of the box beam extending between two adjacent cover beams at intervals.
As a further improvement of the invention, a sliding sheet is arranged between the bottom of the bracket and the top surface of the bottom plate.
As a further improvement of the invention, the sliding sheet has a plurality of specifications which can be selected for adjusting the elevation of the track beam under different setting requirements.
The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
(1) According to the beam pier connecting structure of the suspended monorail, the beam pier connecting assembly formed by the bracket and the connecting piece is arranged, the bracket consists of the L-shaped steel member and the stiffening ribs arranged on the steel member, so that the load applied to the connecting structure by the rail beam can be effectively converted into the pressure on the capping beam and the bridge pier, the fixed connection of the capping beam and the suspended monorail rail beam is realized, and the stability of the integral structure is ensured;
(2) According to the beam pier connecting structure of the suspended monorail, the diaphragm plates are arranged around the periphery of the track beam and are connected with the upper end parts of the diaphragm plates through the beam pier connecting assembly, so that the connection between the track beam and the cover beam is realized, the structural strength of the track beam can be enhanced through the arrangement mode that the diaphragm plates are fixedly arranged around the periphery of the track beam, and the tightness of the connecting structure and the reliability of the track beam are fully ensured;
(3) According to the beam pier connecting structure of the suspended monorail, the corresponding transverse reinforcing plate and the corresponding vertical reinforcing plate are arranged in the bent cap, so that the structural strength of the bent cap is enhanced, the vertical reinforcing plate is connected with the base plate of the bent cap, the load born by the vertical reinforcing plate is dispersed to other parts of the bent cap, the whole stress is uniform, and the reliability and the stability of the suspended monorail are further ensured;
(4) According to the beam pier connecting structure of the suspended monorail, the sliding sheets are arranged between the steel member and the capping beam bottom plate, when the temperature changes, the steel member can slide relatively, so that the internal force generated by the temperature effect is released, the safety and the reliability of the connecting structure are ensured, the service life of the connecting structure is prolonged, and further, for adjusting the relative elevation, a plurality of layers of sheet sliding sheets or sliding sheets with other specifications can be arranged, the arrangement form is flexible, and the wide applicability is realized;
(5) The beam pier connecting structure of the suspended monorail has the advantages of simple structure, simple and convenient arrangement, capability of effectively meeting the fixed arrangement of the suspended monorail track beam, improvement of the stability and reliability of the connecting structure, reduction of the construction period and the construction cost, and good popularization and application value and wide application prospect.
Drawings
FIG. 1 is a schematic view of the overall structure of a suspended monorail in an embodiment of the present invention;
FIG. 2 is a schematic side elevational view of a beam pier attachment structure of a suspended monorail in accordance with an embodiment of the present invention;
FIG. 3 is a schematic elevational view of a beam pier attachment structure of a suspended monorail in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a connecting assembly of a beam pier connecting structure of a suspended monorail in accordance with an embodiment of the present invention;
FIG. 5 is a schematic illustration of another connection assembly of a beam pier connection of a suspended monorail in accordance with an embodiment of the present invention;
Like reference numerals denote like technical features throughout the drawings, in particular:
1. Bridge pier, cover beam, track beam, suspension train, beam pier connecting assembly;
201. 202, transverse reinforcing plates, 203, vertical reinforcing plates;
301. A box girder, 302, a diaphragm;
501. steel members 502, stiffening ribs 503, connectors 504, sliders 505, trapezoidal sliders.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
Referring to fig. 1 to 5, the beam pier connection structure in the preferred embodiment includes a bridge pier 1, a cap beam 2 and a track beam 3, wherein the track beam 3 is correspondingly connected to the cap beam 2 through a beam pier connection assembly 5, and loads borne by the track beam 3 and the track beam 3 are transferred to the bridge pier 1 through the beam pier connection assembly 5. Meanwhile, in the preferred embodiment, the traveling direction of the suspension train 4 is the longitudinal direction, and the horizontal direction perpendicular to the longitudinal direction is the transverse direction. Therefore, the girder pier connecting structure is a plurality of girder piers which are arranged at intervals in the longitudinal direction so as to realize stable support of each section of the track girder 3.
Specifically, the bridge pier 1 in the preferred embodiment is used for bearing the load on the cap beam 2 and the track beam 3, the bottom of the bridge pier is fixedly arranged, and the cap beam 2 is transversely arranged at the top of the bridge pier 1. In the preferred embodiment, the bridge pier 1 and the capping beam 2 form a "T-shaped" symmetrical structure as shown in fig. 1, i.e., track beams 3 are respectively arranged below both ends of the capping beam 2. In actual setting, the setting dimensions of the bridge pier 1 and the capping beam 2 are preferably set according to the size and the range of the load borne by the capping beam 2, and are not described herein.
Further, the bottoms of the two ends of the cover beam 2 in the preferred embodiment are respectively provided with a track beam 3, the track beam 3 comprises a box beam 301 which is arranged along the longitudinal extension, the bottom of the box beam 301 is opened along the longitudinal direction and is used for matching a suspended monorail train with the running mechanism inside the track beam 3 and realizing the running of the suspended train 4, and transverse baffles 302 are arranged on the periphery of the box beam 301 except the bottom along the circumferential direction. Meanwhile, the diaphragms 302 are arranged at intervals in the axial direction (i.e. longitudinal direction) of the track beam 3, and the diaphragms 302 in the preferred embodiment are arranged perpendicular to the outer part Zhou Liangbi of the track beam 3, i.e. the diaphragms 302 are connected to the beam wall by side walls, and the two end faces of the diaphragms 302 are respectively perpendicular to the outer parts Zhou Liangbi of the corresponding connected track beams 3. In addition, the diaphragm plate 302 and the box girder 301 are connected in a welding mode, and the structural strength of the box girder 301 can be enhanced due to the structural arrangement of the diaphragm plate 302.
Further, the capping beam 2 in the preferred embodiment is disposed for the track beam 3, and has a hollow box beam structure at an end, and the bottom plate 201 of the capping beam 2 corresponding to the diaphragm plate 302 of the track beam 3 is provided with a through hole penetrating through the upper and lower end surfaces of the bottom plate 201 along a transverse direction, so as to be used for extending into the top diaphragm plate 302 of the track beam 3. Meanwhile, brackets are arranged on the transverse partition plates 302 which correspondingly extend into the cover beam 2, are respectively arranged on two sides of the transverse partition plates 302, and are used for connecting the transverse partition plates 302 and transmitting loads on the transverse partition plates 302 to the bottom plate 201 of the cover beam 2. In a preferred embodiment, the bracket includes a steel member 501 that is "L-shaped" and a number of stiffening ribs 502 disposed on the steel member 501, as shown in FIG. 4. The side folds of the steel member 501 are tightly attached to the diaphragm plate 302, the other side folds are supported on the bottom plate 201 of the cover beam 2, and the stiffening ribs 502 are respectively connected on the two folds of the steel member 501 by the side edges, so that the structural stability of the steel member 501 is ensured, and the structural deformation of the steel member 501 is avoided. Specifically, the diaphragm plate 302 extending into the cover beam 2 is connected with brackets at two sides through a plurality of connecting pieces 503, that is, the connecting pieces 503 correspondingly pass through the two steel members 501 and the diaphragm plate 302 clamped between the two steel members 501, so as to realize reliable connection of the diaphragm plate 302 and the two brackets. In practice, the connection members 503 are provided in a plurality of laterally and longitudinally spaced apart manner, as shown in fig. 3, and the connection members 503 in the preferred embodiment may be further preferably bolts.
Further, a sliding vane 504 is further provided between the base plate 201 and the steel member 501, and as shown in fig. 4, the sliding vane 504 may cause a relative displacement between the steel member 501 and the base plate 201 to release an internal force due to a temperature change. Meanwhile, in order to make the elevation of the rail beam 3 reach a design value (i.e., adjust the relative elevation of the capping beam and the rail beam), it is necessary to adjust the distance between the steel member 501 and the bottom plate 201. In a preferred embodiment, the thickness of the sliding sheet 504 is 1mm, and the distance is adjusted by stacking a plurality of sliding sheets 504 layer by layer, and in another preferred embodiment, as shown in fig. 5, the distance between the steel member 501 and the bottom plate 201 is increased by using a trapezoid sliding sheet 505 with downward folded edges at both ends. Therefore, in the actual setting, the sliding sheets with corresponding specifications can be adopted according to the actual situation to adjust the relative elevation of the capping beam and the track beam, so that the elevation of the track beam 3 reaches the design value.
Meanwhile, at least one through hole is formed in the middle of the bottom plate 201 along the transverse direction, and the bottom plate 201 needs to bear pressure load transmitted by the bracket during actual operation, so that stress stability of the bottom plate 201, particularly stress stability of the opening position, is at a certain risk. In view of this, in the preferred embodiment, vertical reinforcing plates 203 are provided correspondingly at one or both sides of the opening of the bottom plate 201, and the vertical reinforcing plates 203 are preferably provided parallel to the longitudinal direction, and the outer peripheral wall surfaces thereof are connected with the inner peripheral wall surfaces of the bent cap 2 to form an integral structure.
Further preferably, the inside of the capping beam 2 is further provided with a transverse reinforcing plate 202, and the transverse reinforcing plate 202 is arranged along the transverse extension, and is correspondingly connected with the vertical reinforcing plate 203 and the inner side wall of the capping beam 2, as shown in fig. 2 and 3, so that the overall structural strength of the capping beam 2 can be further improved. In addition, a bottom plate stiffener is provided under the bottom plate 201, preferably extending in a lateral direction and connected to the bottom of the bottom plate 201 by a sidewall, so as to increase the local rigidity of the bottom plate 201 and resist local deformation of the bottom plate 201.
In actual setting, the track beam 3 at the bottom of the capping beam 2 can be a continuous beam body structure, and butt joint can be realized below the capping beam 2 by the end part of the adjacent track beam 3. For example, in a preferred embodiment, the bottom of the capping beam 2 is provided with one continuous track beam 3, and the diaphragm 302 corresponding to the capping beam 2 may be a single diaphragm or a plurality of diaphragms not less than two diaphragms, which may be preferred according to the stress condition of the track beam 3. In another preferred embodiment, the two sections of track beams 3 are butted with end portions below the cover beam 2, at least one diaphragm plate 302 is respectively arranged on the peripheries of the end portions of the two sections of track beams 3 for extending into the cover beam 2 to be correspondingly connected, and for example, as shown in fig. 2, one diaphragm plate 302 is respectively arranged on the end portions of the two sections of track beams 3.
According to the beam pier connecting structure of the suspended monorail, the beam pier connecting assembly taking the bracket as a main structure is arranged, so that the running requirement of a suspended monorail train can be effectively met, the load born by the connecting structure is transferred to the capping beam and the bridge pier in a pressure mode, and the stability and the safety of the suspended monorail traffic are ensured.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876182.4A CN111877139B (en) | 2020-08-25 | 2020-08-25 | A beam-pier connection structure for a suspended monorail |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010876182.4A CN111877139B (en) | 2020-08-25 | 2020-08-25 | A beam-pier connection structure for a suspended monorail |
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| Publication Number | Publication Date |
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| CN111877139A CN111877139A (en) | 2020-11-03 |
| CN111877139B true CN111877139B (en) | 2025-03-07 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212270648U (en) * | 2020-08-25 | 2021-01-01 | 中铁第四勘察设计院集团有限公司 | A beam-pier connection structure of a suspended monorail |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2069435B (en) * | 1980-02-06 | 1983-09-14 | Becorit Ltd | Underground suspended railway structure |
| KR100789785B1 (en) * | 2007-05-18 | 2008-01-04 | 주식회사 다우컨설턴트 | Composite girder of bridge |
| JP6757279B2 (en) * | 2017-03-02 | 2020-09-16 | 日本建設工業株式会社 | Monorail for trolley |
| CN206887643U (en) * | 2017-08-28 | 2018-01-16 | 苏交科集团股份有限公司 | A kind of weathering steel suspension type monorail track girder |
| CN207619751U (en) * | 2017-11-08 | 2018-07-17 | 江苏添仂智能科技有限公司 | A kind of I-beam support construction for suspension type driving system |
| CN110373961A (en) * | 2019-07-02 | 2019-10-25 | 中铁二院工程集团有限责任公司 | Suspension type monorail Rail Transit System two-wire prestressed concrete track girder construction |
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2020
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212270648U (en) * | 2020-08-25 | 2021-01-01 | 中铁第四勘察设计院集团有限公司 | A beam-pier connection structure of a suspended monorail |
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