CN113981796A - Recyclable movable trestle - Google Patents

Recyclable movable trestle Download PDF

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Publication number
CN113981796A
CN113981796A CN202111096805.7A CN202111096805A CN113981796A CN 113981796 A CN113981796 A CN 113981796A CN 202111096805 A CN202111096805 A CN 202111096805A CN 113981796 A CN113981796 A CN 113981796A
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CN
China
Prior art keywords
members
rigid frame
truss structure
splicing
splicing members
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111096805.7A
Other languages
Chinese (zh)
Inventor
李储军
王立新
汪珂
白阳阳
李炳龙
赖金星
邱军领
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway First Survey and Design Institute Group Ltd
Original Assignee
China Railway First Survey and Design Institute Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway First Survey and Design Institute Group Ltd filed Critical China Railway First Survey and Design Institute Group Ltd
Priority to CN202111096805.7A priority Critical patent/CN113981796A/en
Publication of CN113981796A publication Critical patent/CN113981796A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D6/00Truss-type bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00Movable or portable bridges; Floating bridges
    • E01D15/12Portable or sectional bridges
    • E01D15/127Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D18/00Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/005Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/12Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125Grating or flooring for bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/20Concrete, stone or stone-like material
    • E01D2101/24Concrete
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to a recyclable movable trestle, which overcomes the problem that traffic is adversely affected by construction cut-off in the prior art, and has the advantages of simple structure, convenience in use and obvious effect. The invention comprises an assembled truss structure, wherein the assembled truss structure is arranged on a rigid frame type assembled pier, a channel plate is arranged on the truss structure, a buffer ramp plate is arranged outside the truss structure, and a movement limiting device is arranged below the rigid frame type assembled pier. The spliced truss structure comprises upper chord splicing members and lower chord splicing members, the upper chord splicing members and the lower chord splicing members are connected through web members, transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting tie members, and cross beam pieces and longitudinal beam pieces are arranged between the upper chord splicing members and between the lower chord splicing members.

Description

Recyclable movable trestle
The technical field is as follows:
the invention belongs to the technical field of traffic engineering, and relates to a recyclable movable trestle.
Background art:
the construction of the broken road often has great influence on traffic, the construction safety risk of the shallow-buried underground excavation method adopted for avoiding the broken road is higher, and engineering accidents happen sometimes; although the construction by adopting the cover-excavation method can reduce the time of the broken path, the construction efficiency is not high; and shallow buried excavation and covered excavation are not economical compared with open excavation methods. Therefore, in order to avoid the serious influence of open cut road breaking construction on traffic, the recyclable movable trestle is developed, can be quickly erected on two sides of a road foundation pit, meets the driving requirement of vehicles, can ensure normal construction below the trestle, and has important significance on the current urban construction with short traffic resources.
The invention content is as follows:
the invention aims to provide a recyclable movable trestle, which overcomes the adverse effect of open cut road on traffic in the prior art, and has the advantages of simple structure, convenient use and obvious effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a circulated use removes landing stage which characterized in that: including pin-connected panel truss structure, pin-connected panel truss structure sets up on the mound is assembled to rigid frame formula, and the structural access board that is provided with of truss is provided with the buffering ramp board outward, is provided with removal stop device under the mound is assembled to rigid frame formula.
The spliced truss structure comprises upper chord splicing members and lower chord splicing members, the upper chord splicing members and the lower chord splicing members are connected through web members, transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting tie members, and cross beam pieces and longitudinal beam pieces are arranged between the upper chord splicing members and between the lower chord splicing members.
The rigid frame type assembled pier body is composed of a trapezoidal prefabricated rigid frame, the cap beam is composed of prefabricated components, the pier body is connected with the cap beam through connecting reinforcing steel bars, and the lower limbs of the pier body are directly embedded in reserved bell and spigot holes of the foundation.
The spliced truss structure intersection nodes are connected through the gusset plates, the rod pieces are connected onto the gusset plates through bolts, and the beam piece connecting positions are connected through the bolts.
The assembled truss structure adopts a triangular truss, the longitudinal connection system adopts a crossed system, and the bridge portal frame is arranged at the inclined beam at the end.
A movable limiting device is arranged below the rigid frame type assembling pier and comprises universal wheels and connecting and fixing holes.
Compared with the prior art, the invention has the following advantages and effects:
the invention has simple structure, can be prefabricated in advance, is convenient to install, reduces the operation time of workers, is convenient to use, has obvious effect and is suitable for popularization and application.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the sectional truss structure of the present invention;
fig. 3 is a schematic structural view of a rigid erection block according to the present invention.
In the figure, 1-upper chord splicing rod piece; 2-splicing the rod pieces by the lower chord; 3-web member bar; 4-connecting tie bars in the transverse and longitudinal directions; 5-beam piece of the beam; 6-longitudinal beam piece; 7-a channel plate; 8-rigid frame type assembly piers; 9-buffering the ramp plate; 10-gusset plate; 11-moving a stop device; 12-trapezoidal prefabricated rigid frame, 13-prefabricated component.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.
The invention relates to a recyclable movable trestle, which comprises a prefabricated truss component, a channel plate, an assembled pier and a buffering slope plate, wherein the prefabricated truss component can be used for splicing an upper chord member 1, a lower chord member 2, web members 3, a transverse connecting system, a longitudinal connecting system, a cross beam and a longitudinal beam of a tunnel to form an upper structure of the bridge. The invention comprises an upper chord splicing member 1, a lower chord splicing member 2, web members 3, transverse and longitudinal connecting tie members 4, beam pieces 5 and longitudinal beam pieces 6, wherein the number is determined according to the actual required span. The upper chord splicing member pieces 1 are connected with the lower chord splicing member pieces 2 through web member pieces 3, the transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting system member pieces 4, and the cross beam pieces 5 and the longitudinal beam pieces 6 are arranged between the upper chord splicing member pieces 1 and between the lower chord splicing member pieces 2. The prefabricated rod piece adopts an H-shaped section, and the material adopts Q345 steel. The prefabricated beam piece 5 and the longitudinal beam piece 6 adopt I-shaped sections, and Q345 steel is adopted as a material. The main truss junction is connected by the gusset plate 10, the member bar is connected on the gusset plate 10 by high-strength bolts, the beam piece junction is also connected by high-strength bolts, and the high-strength bolts are M22 type high-strength bolts. The main truss is a triangular truss, the longitudinal connection system is a cross system, and the end oblique beam is arranged out of the bridge portal frame.
The channel plate 7 is directly erected above the beam longitudinal beams. The channel plate 7 adopts a self-compacting concrete layer, the base adopts C40 concrete, the supporting layer adopts hydraulic mixture, a geotextile isolating layer with the thickness of 4mm is arranged on the top surface of the base, a composite elastic rubber cushion layer with the thickness of 10mm is arranged around the groove, and the connection between the base and the channel plate is realized through an embedded sleeve and embedded steel bars above the channel plate. The trestle adopts a rigid frame type assembled pier 8, the pier body consists of two trapezoidal prefabricated rigid frames 12, and the cap beam consists of two prefabricated components 13. The pier body rigid frame is connected with the cap beam by virtue of the connecting steel bars reserved at the upper part of the pier body rigid frame, and the lower limbs of the rigid frame are directly embedded and fixed in the reserved bell and spigot holes of the foundation. The section sizes of two limbs of the rigid frame type assembly pier 8 pier body are 40cm multiplied by 45cm, the clear distance between the two rigid frames is 1.6m, and the movable limiting device 11 is arranged below the rigid frame type assembly pier 8 and can be rapidly located through the original track.
The movable limiting device 11 below the rigid frame type assembly pier 8 comprises universal wheels and connecting and fixing holes, the assembly pier 8 can slide left and right in front and back, and can be locked after being in place, and meanwhile, the movable limiting device can be firmly connected with a fixing device for driving into a stratum through the connecting and fixing holes.
In order to ensure the safe operation of traffic, a buffering ramp plate 9 is arranged, and the gradient of the buffering ramp plate 9 can be set to be about 10 per mill.
All the components of the invention can be reused, and resources can be effectively saved.
Example (b):
referring to fig. 1, fig. 1 is a schematic view of the overall structure of a recyclable mobile trestle, the truss structure of the trestle is formed by splicing prefabricated members according to specific needs, the junctions of main girders are connected by node plates 10, a channel plate 7 is installed on the truss structure, and a buffering ramp plate 9 with a gradient of 10 per mill is arranged outside the truss structure. Pier 8 is assembled to bridge substructure adoption rigid frame formula, installs under pier 8 and removes stop device 11 rigid frame formula is assembled for through original track quick falling position.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a trestle truss. The truss main part is built by prefabricated member and forms, and prefabricated member includes chord member concatenation member 1, lower chord member concatenation member 2, web member 3, horizontal longitudinal tie member 4, crossbeam roof beam piece 5 and longeron roof beam piece 6, and quantity stride the footpath according to actual need and decides. The main girder junction points are connected by node plates 10, and the members are connected to the node plates 10 by high-strength bolts.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a rigid frame type assembled pier of a trestle, wherein a pier body is composed of two trapezoidal prefabricated rigid frames 12, and a cap beam is composed of two prefabricated components 13. The pier body rigid frame is connected with the cap beam by virtue of the connecting steel bars reserved at the upper part of the pier body rigid frame, and the lower limbs of the rigid frame are directly embedded and fixed in the reserved bell and spigot holes of the foundation.
In actual work, before the construction of a broken road, firstly, according to specific needs, the span is spanned, the truss structure of the trestle is formed by splicing an upper chord splicing rod piece 1, a lower chord splicing rod piece 2, web member pieces 3, transverse and longitudinal connecting system rod pieces 4, cross beam pieces 5 and longitudinal beam pieces 6, and the intersection of the main truss is connected to a gusset plate 10 by using a high-strength bolt to form a whole. The prefabricated channel plate 7 is then transported and mounted on the truss structure. Meanwhile, a rigid frame type assembly pier 8 pier body is formed by two trapezoidal prefabricated rigid frames 12, a rigid frame type assembly pier 8 cap beam is formed by two prefabricated components 13, the pier body rigid frame is connected with the cap beam by virtue of a connecting steel bar reserved at the upper part of the pier body rigid frame, and the lower limbs of the rigid frame are directly embedded in reserved bell and spigot holes of the foundation. The rubber support is used for connecting the pier and the bridge span structure, the moving limiting device 11 is installed below the rigid frame type assembling pier 8, and the pier can rapidly fall on the road surface. In order to ensure the direct connection between the existing road and the channel plate, the buffer slope plate is arranged to enable the vehicle to go up and down the channel plate, and the slope of the buffer slope is designed to be about 10 per thousand. After the use is completed, the device is disassembled and stored.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a circulated use removes landing stage which characterized in that: including pin-connected panel truss structure, pin-connected panel truss structure sets up on mound (8) are assembled to rigid frame formula, and the structural access board (7) that is provided with of truss is provided with buffering ramp plate (9) outward, is provided with under mound (8) are assembled to rigid frame formula and removes stop device (11).
2. A recyclable mobile trestle according to claim 1, characterised in that: the spliced truss structure comprises upper chord splicing members (1) and lower chord splicing members (2), the upper chord splicing members (1) and the lower chord splicing members (2) are connected through web members (3), transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting system members (4), and cross beam pieces (5) and longitudinal beam pieces (6) are arranged between the upper chord splicing members (1) and between the lower chord splicing members (2).
3. A mobile trestle for recycling according to claim 1 or 2, characterised in that: the rigid frame type assembly pier (8) is characterized in that a pier body is composed of a trapezoidal prefabricated rigid frame (12), a cap beam is composed of prefabricated parts (13), the pier body is connected with the cap beam through connecting steel bars, and the lower limbs of the pier body are directly embedded in reserved bell and spigot holes of a foundation.
4. A recyclable mobile trestle according to claim 3, characterised in that: the assembled truss structure junction is connected by adopting the node plates (10), the rod pieces are connected on the node plates (10) by adopting bolts, and the beam piece connecting parts are connected by adopting bolts.
5. A recyclable mobile trestle according to claim 6, characterised in that: the assembled truss structure adopts a triangular truss, the longitudinal connection system adopts a crossed system, and the bridge portal frame is arranged at the inclined beam at the end.
6. A recyclable mobile trestle according to claim 7, characterised in that: a movable limiting device (11) is arranged below the rigid frame type assembling pier (8), and the movable limiting device (11) comprises universal wheels and connecting and fixing holes.
CN202111096805.7A 2021-09-18 2021-09-18 Recyclable movable trestle Pending CN113981796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111096805.7A CN113981796A (en) 2021-09-18 2021-09-18 Recyclable movable trestle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111096805.7A CN113981796A (en) 2021-09-18 2021-09-18 Recyclable movable trestle

Publications (1)

Publication Number Publication Date
CN113981796A true CN113981796A (en) 2022-01-28

Family

ID=79736099

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111096805.7A Pending CN113981796A (en) 2021-09-18 2021-09-18 Recyclable movable trestle

Country Status (1)

Country Link
CN (1) CN113981796A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006009449A (en) * 2004-06-28 2006-01-12 Kajima Corp Truss panel girder and precast truss panel
CN101550769A (en) * 2009-03-03 2009-10-07 中国水利水电第七工程局有限公司 Movable trestle
RU2380476C1 (en) * 2008-10-03 2010-01-27 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Metal railroad superstructure with through trusses and movement on ballast
CN202899015U (en) * 2012-11-07 2013-04-24 湖北华舟重工应急装备股份有限公司 Modular highway steel truss bridge
CN206190295U (en) * 2016-10-26 2017-05-24 山东铁鹰建设工程有限公司 Integrative landing stage of full -automatic hydraulic pressure crawler drive inverted arch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006009449A (en) * 2004-06-28 2006-01-12 Kajima Corp Truss panel girder and precast truss panel
RU2380476C1 (en) * 2008-10-03 2010-01-27 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Metal railroad superstructure with through trusses and movement on ballast
CN101550769A (en) * 2009-03-03 2009-10-07 中国水利水电第七工程局有限公司 Movable trestle
CN202899015U (en) * 2012-11-07 2013-04-24 湖北华舟重工应急装备股份有限公司 Modular highway steel truss bridge
CN206190295U (en) * 2016-10-26 2017-05-24 山东铁鹰建设工程有限公司 Integrative landing stage of full -automatic hydraulic pressure crawler drive inverted arch

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Application publication date: 20220128