CN218757028U - Temporary buttress structure and approach bridge - Google Patents

Temporary buttress structure and approach bridge Download PDF

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Publication number
CN218757028U
CN218757028U CN202223087088.4U CN202223087088U CN218757028U CN 218757028 U CN218757028 U CN 218757028U CN 202223087088 U CN202223087088 U CN 202223087088U CN 218757028 U CN218757028 U CN 218757028U
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CN
China
Prior art keywords
supporting
pressing
steel plate
jack
temporary
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Expired - Fee Related
Application number
CN202223087088.4U
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Chinese (zh)
Inventor
周晨
黄永亮
陈孝诚
胡杰
刘存
鞠叶琴
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.)
No 2 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
CCCC First Highway Engineering Co Ltd
Original Assignee
No 2 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
CCCC First Highway Engineering Co Ltd
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Application filed by No 2 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd, CCCC First Highway Engineering Co Ltd filed Critical No 2 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority to CN202223087088.4U priority Critical patent/CN218757028U/en
Application granted granted Critical
Publication of CN218757028U publication Critical patent/CN218757028U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The application provides a interim buttress structure and approach bridge belongs to bridge support technical field. This interim buttress structure, including base subassembly and top buttress subassembly, a plurality of supporting component, a plurality of the top fixedly connected with of base subassembly the supporting component sets gradually from supreme down. Through setting up the roof, the roof is connected with the supporting component top, a plurality of jack is all installed on the roof, coupling assembling is connected with the top of a plurality of jack, a plurality of supporting steel plate is then installed on the connecting piece, thereby the jack can drive a plurality of supporting steel plate motion, before hoist and mount approach bridge, make a plurality of supporting steel plate downstream, make it have the distance with the bridge bottom, after the pontic hoist and mount is accomplished, accessible a plurality of jack drives supporting steel plate upward movement, realize the support purpose, thereby can improve setting up and demolising of interim buttress to a certain extent.

Description

Temporary buttress structure and approach bridge
Technical Field
The application relates to the field of bridge support, in particular to a temporary buttress structure and an approach bridge.
Background
The approach bridge is used for connecting the main bridge with the embankment, the approach bridge is made to be long so as to reduce the downward component force of the gravity of an automobile parallel to the bridge floor of the approach bridge, the approach bridge is poured in advance and then transported to a bridge construction site, the approach bridge is hoisted through a large hoisting device and placed on two piers poured in advance, meanwhile, temporary buttresses are prepared in advance before the two piers and used for supporting the approach bridge in an auxiliary mode, and after the approach bridge is connected with the embankment and the main bridge, the temporary buttresses are dismantled.
In the related technology, the top of the temporary buttress is usually located 0-10mm away from the bottom of the approach bridge, multiple cutting of the small steel pipe support is prevented when elevation is adjusted in the later stage, therefore, after the approach bridge is hoisted in place, a gasket needs to be embedded between the bottom of the bridge and the temporary buttress, the purpose of supporting the approach bridge is achieved, the thickness of the gasket is adaptive to the distance between the approach bridge and the temporary buttress, the gasket is embedded in a hammering mode, the temporary buttress is dismantled after all wet joints of a bridge deck are poured, the gasket at the bottom is knocked out when the temporary buttress is dismantled, the bottom of the bridge is separated from the temporary buttress, the temporary buttress is removed, finally, each supporting unit of the temporary buttress is dismantled sequentially from top to bottom by using a crane, and the embedding of the gasket and knocking out of the gasket can influence the erection process of the temporary buttress to a certain extent, and further influence the bridge construction process.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, this application provides a interim buttress structure and approach bridge, aims at improving the problem that current gasket embedding and knockout mode influence interim buttress and set up.
In a first aspect, an embodiment of the present application provides a temporary buttress structure, including a base assembly and a top buttress assembly.
The top fixedly connected with a plurality of supporting component of base subassembly, a plurality of the supporting component is supreme setting gradually down from the follow, top buttress subassembly includes roof, a plurality of jack, coupling assembling and a plurality of supporting steel plate, roof fixed mounting is in the top on the supporting component, a plurality of the equal fixed mounting of jack in on the roof, coupling assembling and a plurality of the equal fixed connection in jack top, a plurality of the supporting steel plate install in on the coupling assembling.
In a specific embodiment, the base assembly comprises a circular base plate and four first supporting columns, wherein the four first supporting columns are fixedly installed on the circular base plate, the supporting assembly is fixedly connected with the tops of the four first supporting columns at the bottommost part, and the two adjacent first supporting columns are connected with each other.
In a specific embodiment, a plurality of first mounting holes are formed in the circular base plate, a plurality of rib plates are fixedly mounted on the circular base plate, and the plurality of rib plates are fixedly connected with the side walls of the four first supporting columns respectively.
In a specific embodiment, the top of each of the four first struts is fixedly provided with a first connecting disc, and the four first connecting discs are connected with a support assembly.
In a specific embodiment, the supporting assembly comprises four second supporting columns, two adjacent second supporting columns are connected with each other, second connecting discs are fixedly connected to the tops and the bottoms of the four second supporting columns, and the four first connecting discs are respectively connected with the four second connecting discs below.
In a specific embodiment, the upper four second support columns are connected with the lower four second support columns through the bottom four second connecting discs, and the top plate is connected with the uppermost four second connecting discs.
In a specific embodiment, coupling assembling includes that a plurality of compresses tightly piece and elevating platform, a plurality of compress tightly the equal fixed mounting of piece in on the elevating platform, elevating platform and a plurality of the top fixed connection of jack, a plurality of compress tightly the piece respectively with a plurality of supporting steel plate pressure on the elevating platform.
In a specific embodiment, the pressing piece comprises a pressing plate, a plurality of screw rods and a plurality of groups of pressing nuts, the screw rods are fixedly mounted on the lifting platform, the pressing plate is sleeved on the screw rods in a sliding mode, the supporting steel plate is placed on the lifting platform, the pressing plate is pressed on the supporting steel plate, the pressing nuts are arranged on the supporting steel plate in a connecting mode, and the pressing nuts are pressed on the pressing plate in a pressing mode.
In a second aspect, the present application provides an approach bridge, including
The temporary buttress structure.
Has the beneficial effects that:
1. through setting up the roof, the roof is connected with the supporting component top, a plurality of jack is all installed on the roof, coupling assembling is connected with the top of a plurality of jack, a plurality of supporting steel plate is then installed on the connecting piece, thereby the jack can drive a plurality of supporting steel plate motion, before the hoist and mount approach bridge, make a plurality of supporting steel plate downstream, it has the distance to make it and bridge bottom, after the pontic hoist and mount is accomplished, accessible a plurality of jack drives supporting steel plate upward movement, realize the support purpose, thereby can improve setting up and demolising of interim buttress to a certain extent.
2. Through setting up the elevating platform, the elevating platform is connected with a plurality of jack top, overlaps the pressure strip on a plurality of screw rods, then places the supporting steel plate on the elevating platform, and the pressure strip bottom is pressed on the supporting steel plate, then is connected gland nut and screw rod, presses on the pressure strip, can realize the installation supporting steel plate, the installation and the dismantlement of the supporting steel plate of being convenient for.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a main structure of a temporary buttress structure provided by an embodiment of the application;
FIG. 2 is a schematic structural diagram of a base assembly of a temporary buttress structure provided in an embodiment of the present application;
FIG. 3 is a schematic structural view of a temporary buttress structural support assembly provided in accordance with an embodiment of the present application;
FIG. 4 is a schematic view of a connection structure of a top buttress assembly and a support assembly of a temporary buttress structure provided in an embodiment of the present application;
fig. 5 is a partial enlarged view of a portion a in fig. 4.
In the figure: 10-a base assembly; 100-circular base plate; 200-a first strut; 300-a first mounting hole; 400-ribbed plate; 500-a first splice tray; 110-a support assembly; 1110-a second pillar; 1120-second land; 20-a top buttress assembly; 210-a top plate; 220-a jack; 230-a connection assembly; 2310-pressing member; 2311-compacting plate; 2312-screw rod; 2313-compression nut; 2320-lifting table; 240-supporting steel plates.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1-5, the present application provides a temporary buttress construction including a base assembly 10 and a top buttress assembly 20.
The top fixedly connected with a plurality of supporting component 110 of base subassembly 10, a plurality of supporting component 110 sets gradually from supreme down, top buttress subassembly 20 includes roof 210, a plurality of jack 220, coupling assembling 230 and a plurality of supporting steel plate 240, roof 210 fixed mounting is on the supporting component 110 of the top, the equal fixed mounting of a plurality of jack 220 is on roof 210, coupling assembling 230 and the equal fixed connection in a plurality of jack 220 top, a plurality of supporting steel plate 240 install on coupling assembling 230.
When the bridge support is specifically arranged, the supporting steel plate 240 is an I-shaped steel plate, the two jacks 220 and the two supporting steel plates 240 are arranged, the supporting steel plate 240 supports the bottom of the bridge, and the installation mode of the jacks 220 is the prior art.
Referring to fig. 2, the base assembly 10 includes a circular base plate 100 and four first pillars 200, the four first pillars 200 are all fixedly mounted on the circular base plate 100, the bottommost supporting assembly 110 is fixedly connected to the tops of the four first pillars 200, two adjacent first pillars 200 are connected to each other, the circular base plate 100 is provided with a plurality of first mounting holes 300, the circular base plate 100 is fixedly mounted with a plurality of rib plates 400, the plurality of rib plates 400 are respectively fixedly connected to the sidewalls of the four first pillars 200, the tops of the four first pillars 200 are all fixedly mounted with first connection discs 500, and the four first connection discs 500 are connected to the supporting assembly 110.
When specifically setting up, subaerial being provided with current pile sinking, the pile sinking top is provided with a plurality of bolts, and circular bottom plate 100 is placed on the pile sinking, and a plurality of bolts pass the first mounting hole 300 of a plurality of respectively simultaneously, again with current coupling nut and bolted connection, compress tightly circular bottom plate 100, can accomplish the installation of base subassembly 10.
Furthermore, a cross-shaped reinforcing plate and two first reinforcing rods are connected between two adjacent first supporting columns 200, so that the connection strength between the four first supporting columns 200 is improved.
Referring to fig. 3, the supporting assembly 110 includes four second supporting pillars 1110, two adjacent second supporting pillars 1110 are connected to each other, the top and bottom of the four second supporting pillars 1110 are fixedly connected with second connecting discs 1120, four first connecting discs 500 are respectively connected to four lower second connecting discs 1120, four upper second supporting pillars 1110 are connected to four lower second supporting pillars 1110 through four lower second connecting discs 1120, and the top plate 210 is connected to four uppermost second connecting discs 1120.
When specifically setting up, the connected mode between first connection pad 500 and second connection pad 1120 and two upper and lower second connection pads 1120 is prior art, has seted up a plurality of second mounting hole on the first connection pad 500, has seted up a plurality of third mounting hole on the second connection pad 1120, and the second mounting hole corresponds the setting with the third mounting hole, can connect through current bolt structure.
Furthermore, a second cross-shaped reinforcing plate and two second reinforcing rods are fixedly connected between two adjacent second supporting columns 1110, so that the connection strength between the four second supporting columns 1110 is improved.
Referring to fig. 4 and 5, the connecting assembly 230 includes a plurality of pressing members 2310 and a lifting platform 2320, the plurality of pressing members 2310 are all fixedly mounted on the lifting platform 2320, the lifting platform 2320 is fixedly connected with the tops of the plurality of jacks 220, the plurality of pressing members 2310 respectively press the plurality of supporting steel plates 240 on the lifting platform 2320, the pressing members 2310 include pressing plates 2311, a plurality of screw rods 2312 and a plurality of groups of pressing nuts 2313, the plurality of screw rods 2312 are all fixedly mounted on the lifting platform 2320, the pressing plates 2311 are slidably sleeved on the plurality of screw rods 2312, the supporting steel plates 240 are placed on the lifting platform 2320, the pressing plates 2311 are pressed on the supporting steel plates 240, the plurality of groups of pressing nuts 2313 are respectively connected with the plurality of screw rods 2312, and the plurality of groups of pressing nuts 2313 press the pressing plates 2311.
When specifically setting up, connected mode between jack 220 and elevating platform 2320 is prior art, a plurality of fourth mounting hole has been seted up on the roof 210, a plurality of fourth mounting hole corresponds the setting with a plurality of third mounting hole respectively, can accomplish being connected between roof 210 and four second pillars 1110 through current bolt structure, supporting steel plate 240 is the I shape setting, pressure strip 2311 presses on supporting steel plate 240's lower terminal surface, every group gland nut 2313 is provided with two, it sets up to two to compress tightly piece 2310.
An approach bridge comprises
The temporary buttress structure.
This temporary buttress structure and approach bridge's theory of operation: firstly, the base assembly 10 is connected with a ground pile sinking, then the support assemblies 110 are sequentially installed upwards, the top plate 210 is installed on the uppermost support assembly 110, the pressing plates 2311 are sleeved on the corresponding screw rods 2312, the pressing plates 2311 are located between the upper pressing nuts 2313 and the lower pressing nuts 2313, then the two support steel plates 240 are sequentially placed on the lifting table 2320 and are arranged close to the corresponding screw rods 2312 towards two sides, the pressing plates 2311 are located on the lower end faces of the support steel plates 240, then the upper pressing nuts 2313 are rotated to press the upper pressing nuts 2313 on the pressing plates 2311, and then the lower pressing nuts 2313 are rotated to press the lower pressing nuts 2313 at the bottoms of the pressing plates 2311, so that the support steel plates 240 can be installed and detached conveniently.
Further, after the approach bridge is erected, the two jacks 220 can be started to enable the lifting platform 2320 to move upwards, so that the two supporting steel plates 240 are driven to move upwards, the temporary supporting purpose for the bottom of the bridge can be achieved, during disassembly, the jacks 220 are controlled to drive the lifting platform 2320 to move downwards, the supporting steel plates 240 are separated from the bottom of the bridge, the supporting steel plates 240 can be pulled out from the side through the existing hoisting device, then the top buttress assembly 20, the supporting assembly 110 and the base assembly 10 are dismantled one by one, and the lifting is achieved through the existing hoisting device.
It should be noted that the specific model specification of the jack 220 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the jack 220 and its principle will be clear to a person skilled in the art and will not be described in detail here.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

Claims (9)

1. A temporary buttress structure is characterized by comprising
The top of the base assembly is fixedly connected with a plurality of supporting assemblies, and the plurality of supporting assemblies are sequentially arranged from bottom to top;
top buttress subassembly, top buttress subassembly includes roof, a plurality of jack, coupling assembling and a plurality of supporting steel plate, roof fixed mounting is in the top the supporting component is last, a plurality of the equal fixed mounting of jack in on the roof, coupling assembling and a plurality of the equal fixed connection in jack top, a plurality of supporting steel plate install in on the coupling assembling.
2. A temporary pier structure according to claim 1, wherein the base assembly comprises a circular base plate and four first support columns, the four first support columns are fixedly mounted on the circular base plate, the lowermost support assembly is fixedly connected with the tops of the four first support columns, and two adjacent first support columns are connected with each other.
3. A temporary buttress structure according to claim 2, wherein the circular base plate is provided with a plurality of first mounting holes, and a plurality of rib plates are fixedly mounted on the circular base plate and fixedly connected with the side walls of the four first struts respectively.
4. A temporary buttress structure according to claim 2, wherein four first connecting discs are fixedly mounted on the tops of the first struts, and the four first connecting discs are connected with the support assembly.
5. A temporary pier structure according to claim 4, wherein the supporting assembly comprises four second supporting columns, two adjacent second supporting columns are connected with each other, second connecting discs are fixedly connected to the top and bottom of the four second supporting columns, and the four first connecting discs are respectively connected with the four lower second connecting discs.
6. A temporary pier structure according to claim 5, wherein the upper four second support columns are connected to the lower four second support columns through the bottom four second connecting discs, and the top plate is connected to the uppermost four second connecting discs.
7. A temporary pier structure according to claim 1, wherein the connecting assembly comprises a plurality of pressing members and a lifting platform, the plurality of pressing members are all fixedly mounted on the lifting platform, the lifting platform is fixedly connected with the tops of the plurality of jacks, and the plurality of pressing members respectively press the plurality of supporting steel plates on the lifting platform.
8. A temporary buttress structure according to claim 7, wherein the pressing member comprises a pressing plate, a plurality of screws and a plurality of groups of pressing nuts, the plurality of screws are all fixedly mounted on the lifting platform, the pressing plate is slidably sleeved on the plurality of screws, the supporting steel plate is placed on the lifting platform, the pressing plate presses on the supporting steel plate, a plurality of groups of pressing nuts are respectively connected with the plurality of screws, and a plurality of groups of pressing nuts press the pressing plate.
9. An approach bridge is characterized by comprising
A temporary pier structure according to any one of claims 1 to 8.
CN202223087088.4U 2022-11-17 2022-11-17 Temporary buttress structure and approach bridge Expired - Fee Related CN218757028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223087088.4U CN218757028U (en) 2022-11-17 2022-11-17 Temporary buttress structure and approach bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223087088.4U CN218757028U (en) 2022-11-17 2022-11-17 Temporary buttress structure and approach bridge

Publications (1)

Publication Number Publication Date
CN218757028U true CN218757028U (en) 2023-03-28

Family

ID=85651452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223087088.4U Expired - Fee Related CN218757028U (en) 2022-11-17 2022-11-17 Temporary buttress structure and approach bridge

Country Status (1)

Country Link
CN (1) CN218757028U (en)

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Granted publication date: 20230328