CN116145727A - Vertical temporary supporting device for existing underground station construction and installation method - Google Patents

Vertical temporary supporting device for existing underground station construction and installation method Download PDF

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Publication number
CN116145727A
CN116145727A CN202310335699.6A CN202310335699A CN116145727A CN 116145727 A CN116145727 A CN 116145727A CN 202310335699 A CN202310335699 A CN 202310335699A CN 116145727 A CN116145727 A CN 116145727A
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CN
China
Prior art keywords
section
column
driving piece
crossbeam
vertical
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
CN202310335699.6A
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Chinese (zh)
Inventor
丁加亮
丁慧文
文鑫
曹敏
冯百喜
王豹
刘云龙
杨兵
周嵩
程瑞明
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 Tunnel Group Co Ltd CRTG
Sanchu Co Ltd of China Railway Tunnel Group Co Ltd
Original Assignee
China Railway Tunnel Group Co Ltd CRTG
Sanchu Co Ltd of China Railway Tunnel Group Co Ltd
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Publication date
Application filed by China Railway Tunnel Group Co Ltd CRTG, Sanchu Co Ltd of China Railway Tunnel Group Co Ltd filed Critical China Railway Tunnel Group Co Ltd CRTG
Priority to CN202310335699.6A priority Critical patent/CN116145727A/en
Publication of CN116145727A publication Critical patent/CN116145727A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The application discloses vertical temporary support device and installation method of existing underground station construction, it includes crossbeam and two are used for supporting the vertical stand of crossbeam, vertical stand includes column foundation section and column body section, be provided with the hinge between column body section lower extreme and the column foundation section upper end, two the upper end of column body section is all along the length direction sliding connection of crossbeam in the lower terminal surface of crossbeam, be provided with flexible driving piece between column foundation section and the column body section, flexible driving piece is used for driving the column foundation section and uses the hinge to put up as the axis, works as when the column body section is put up to vertical state, two the column body section props up the crossbeam jointly. The application has the effect of improving the installation efficiency of the temporary support structure.

Description

Vertical temporary supporting device for existing underground station construction and installation method
Technical Field
The application relates to the technical field of underground station construction, in particular to a vertical temporary supporting device for existing underground station construction and an installation method.
Background
After the platform plate in the existing station is dismantled, the side wall of the main body structure is prevented from deforming before being dismantled, and the section steel temporary stand column is applied to the lower part of each layer plate to provide support for the station structure.
The material of interim stand adopts diameter 609 (t=16mm) steel to support, and each layer structure board bottom of supporting position sets up to link the crossbeam to be two I-steel I45b of piecing together, and after this layer platform board demolishs and clear the transportation, link crossbeam, steel stand by supreme installation in proper order down, electric block installs upper portion crossbeam, and the steel stand supports upper portion crossbeam, and the crossbeam supports underground station roof department, supports the wallboard.
With respect to the related art in the above, the applicant believes that there are the following drawbacks: the mode of hoisting needs to be adopted when the cross beam is installed, and the steel upright post needs to be built on site, so that the problem of low installation efficiency of the temporary supporting structure exists, and the improvement space is still remained.
Disclosure of Invention
In order to improve the installation efficiency of the temporary supporting structure, the application provides a vertical temporary supporting device for the construction of an existing underground station and an installation method.
The application provides a vertical temporary support device for existing underground station construction and an installation method, which adopts the following technical scheme:
the utility model provides an existing underground station construction vertical temporary support device, includes crossbeam and two vertical stands that are used for supporting the crossbeam, vertical stand includes column foundation section and column foundation section, be provided with the hinge between column foundation section lower extreme and the column foundation section upper end, two the upper end of column foundation section all is provided with flexible driving piece in the lower terminal surface of crossbeam along the length direction sliding connection of crossbeam between column foundation section and the column foundation section, flexible driving piece is used for driving the column foundation section and uses the hinge to put up as the axis, works as when column foundation section put up to vertical state, two the column foundation section props up the crossbeam jointly.
Through adopting above-mentioned technical scheme to need not to assemble the stand unit step by step from bottom to top, realize the operation of turning up of the shaft section of stand through the tractive of flexible driving piece, so that accomplish the taking one's place of shaft section, simultaneously, two shaft sections are put up and are put up, also stably jack-up the crossbeam, be favorable to the crossbeam to take one's place at the wall top, need not to hoist and mount the crossbeam, be favorable to improving temporary strutting arrangement's installation effectiveness.
Preferably, the hinge comprises a rotating shaft horizontally arranged at the upper end edge of the column foundation section and a connecting block arranged at the lower end edge of the column foundation section, wherein the connecting block is rotationally connected with the rotating shaft, and when the column foundation section swings to a vertical state, the lower end face of the column foundation section is abutted to the upper end face of the column foundation section.
Through adopting above-mentioned technical scheme to when the column shaft section pendulum reaches vertical state, the terminal surface butt under the column shaft section and the up end of column foundation section improves the area of contact of column shaft section and column foundation section, is favorable to improving the stability of column shaft section, so that transmits the load of crossbeam to the column foundation section.
Preferably, the lower end of the column shaft section is provided with a mounting seat, one end of the telescopic driving piece is hinged to the inner side wall of the column base section, the other end of the telescopic driving piece is hinged to the mounting seat, and when the telescopic driving piece contracts, the column shaft section swings upwards by taking the rotating shaft as an axis.
Through adopting above-mentioned technical scheme, utilize the shrink of application driving piece to pull flexible driving piece, be favorable to improving the stable upper hem of column section
Preferably, the upper end of the column section is provided with a sliding connecting piece, the lower end face of the cross beam is provided with a sliding groove, and the sliding groove is in sliding connection along the length direction of the cross beam.
By adopting the technical scheme, the cross beam stably rises along with the upper swing of the column section, so that the stability of the temporary supporting device is facilitated.
Preferably, the sliding connection piece comprises a T-shaped sliding block in sliding connection with the sliding groove and a lantern ring in rotary connection with the edge of the upper end of the column section, and the T-shaped sliding block is fixedly connected with the lantern ring.
By adopting the technical scheme, the flexibility of the sliding connecting piece is improved, and the blocking condition in the moving process is improved under the condition that the beam is not separated from the column section in the moving process.
The method for installing the vertical temporary supporting device for the construction of the existing underground station comprises the following steps:
s1: moving the temporary supporting device to a construction position, and then fixing the two column foundation sections on the construction ground;
s2: then start the flexible driving piece in two column foundation sections simultaneously, flexible driving piece shrink to drive the column body section and revolute the rotation axis upper hem, when column body section upper hem to vertical state, column body section lower extreme face and column foundation section's up end butt, two column body sections remove to crossbeam both ends respectively, and column body section's up end and the lower extreme face butt of crossbeam.
Through adopting above-mentioned technical scheme to need not to assemble the stand unit step by step from bottom to top, realize the operation of turning up of the shaft section of stand through the tractive of flexible driving piece, so that accomplish the taking one's place of shaft section, simultaneously, two shaft sections are put up and are put up, also stably jack-up the crossbeam, be favorable to the crossbeam to take one's place at the wall top, need not to hoist and mount the crossbeam, be favorable to improving temporary strutting arrangement's installation effectiveness.
Preferably, the telescopic driving piece is detachably connected to the column foundation section, and the connecting block is detachably connected with the rotating shaft; in the step S2, after the column body section swings up to a vertical state, the connection relation between the lower end of the telescopic driving piece and the column foundation section is removed, the lower end of the telescopic driving piece is vertically fixed on the construction ground, then the connection relation between the connecting block and the rotating shaft is removed, and then the telescopic driving piece pushes the mounting seat upwards to drive the column body section and the column foundation section to be separated until the upper end face of the cross beam abuts against the wall top.
Under the condition that the beam still can not prop against the wall top after the column section swings up to the vertical state, by adopting the technical scheme, after the column section is pulled to the vertical state by the telescopic driving piece through shrinkage, the connection relation between the lower end of the telescopic driving piece and the column foundation section and the connection relation between the connecting block and the rotating shaft are sequentially disassembled, and then under the extension pushing action of the telescopic driving piece, the separation of the column section and the column foundation section is realized, the height of the beam is favorably adjusted, and the adaptability of the temporary supporting device is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the vertical upright post is divided into a post foundation section and a post body section which are mutually hinged, and the upper swing of the post body section is utilized to finish the positioning of the vertical upright post and the cross beam simultaneously, so that the upright post units do not need to be assembled gradually from bottom to top, the cross beam does not need to be hoisted, and the installation efficiency of the temporary supporting device is improved;
2. under the condition that the beam can not prop against the wall top after the column section swings up to the vertical state, the connection relation between the lower end of the telescopic driving piece and the column foundation section and the connection relation between the connecting block and the rotating shaft are sequentially detached, and then under the action of extension pushing of the telescopic driving piece, the separation of the column section and the column foundation section is realized, the height of the beam is adjusted, and the adaptability of the temporary supporting device is improved.
Drawings
Fig. 1 is a schematic view of a state before installation of a vertical temporary supporting device for construction of an existing underground station according to an embodiment of the present application.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a diagram of a connection relationship between a column section and a cross beam in an existing underground station construction vertical temporary support device according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a post section of a vertical temporary support device for construction of an existing underground station according to an embodiment of the present application after the post section is swung to a vertical state.
Fig. 5 is an enlarged schematic view at B in fig. 4.
Fig. 6 is a schematic view of a state of a telescopic driving member in a vertical temporary supporting device for construction of an existing underground station after a post section is supported.
Reference numerals illustrate: 1. a cross beam; 11. a chute; 2. a vertical column; 21. a column base section; 211. a rotating shaft; 22. a column section; 221. a connecting block; 222. a mounting base; 3. a telescopic driving member; 4. a sliding connection; 41. a T-shaped slider; 42. a collar.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses a vertical temporary supporting device for existing underground station construction and an installation method. Referring to fig. 1 and 2, a vertical temporary supporting device for existing underground station construction includes a cross beam 1 and two vertical columns 2 for supporting the cross beam 1. The vertical upright post 2 comprises a column foundation section 21 and a column shaft section 22, and the column foundation section 21 and the column shaft section 22 are of rectangular steel frame structures. The hinge piece is arranged between the lower end edge of the column base section 22 and the upper end edge of the column base section 21, and specifically comprises a rotating shaft 211 horizontally arranged at the upper end edge of the column base section 21 and a connecting block 221 arranged at the lower end edge of the column base section 22, wherein the rotating shaft 211 is parallel to one of the upper ends of the column base section 21, the connecting block 221 is rotatably sleeved on the outer peripheral surface of the rotating shaft 211, and the purpose that the connecting block 221 is rotatably connected with the rotating shaft 211 is achieved.
Referring to fig. 3, a sliding groove 11 is formed in the lower end surface of the cross beam 1, the length direction of the sliding groove 11 is consistent with that of the cross beam 1, the sliding groove 11 is of a T shape, a sliding connecting piece 4 is mounted at the edge of the upper end of the column section 22, the sliding connecting piece 4 comprises a T-shaped sliding block 41 and a lantern ring 42 fixedly connected with the T-shaped sliding block 41, the T-shaped sliding block 41 is matched with the sliding groove 11, the T-shaped sliding block 41 is slidably connected in the sliding groove 11, and the lantern ring 42 is rotatably sleeved at the edge of the upper end of the column section 22.
Referring to fig. 4 and 5, a telescopic driving member 3 is installed between the column base section 21 and the column shaft section 22, specifically, the telescopic driving member 3 is a hydraulic cylinder, a mounting seat 222 is fixedly installed at the inner portion of the lower end of the column shaft section 22, the bottom end of a cylinder barrel of the hydraulic cylinder is hinged to the inner side wall of the column base section 21, the end portion of a piston rod of the hydraulic cylinder is hinged to the mounting seat 222, and a hinge point of hydraulic steel and the mounting seat 222 is located on the central line of the column shaft section 22. Wherein, the telescopic driving piece 3 is detachably connected with the column foundation section 21 and the connecting block 221 is detachably connected with the rotating shaft 211.
The method for installing the vertical temporary supporting device for the construction of the existing underground station comprises the following steps:
s1: the temporary support device is moved to the construction position, and then the two column foundation sections 21 are fixed on the construction floor, and the column body sections 22 and the cross beam 1 are horizontally arranged.
S2: then, the hydraulic cylinders in the two column foundation sections 21 are started simultaneously, the hydraulic cylinders shrink and drive the column section 22 to swing upwards around the axis of the rotating shaft 211, when the column section 22 swings upwards to a vertical state, the lower end face of the column section 22 is abutted with the upper end face of the column foundation section 21, in the process of swinging upwards of the column section 22, the two column sections 22 respectively move from the middle of the cross beam 1 to the two ends of the cross beam 1, the upper end face of the column section 22 is abutted with the lower end face of the cross beam 1, the cross beam 1 is supported, and the temporary supporting device forms a door-shaped supporting structure.
Referring to fig. 6, when the beam 1 cannot be supported against the wall after the column section 22 swings up to the vertical state, the connection relationship between the lower end of the telescopic driving member 3 and the column base section 21 is removed after the column section 22 swings up to the vertical state, the lower end of the hydraulic cylinder is vertically fixed on the construction ground, the connection relationship between the connecting block 221 and the rotating shaft 211 is removed, and then the hydraulic cylinder is used for pushing the mounting seat 222 upwards to separate the column section 22 from the column base section 21 until the upper end face of the beam 1 abuts against the wall.
To further improve the stability of the column section 22 and to share the load of the hydraulic cylinder, a jack may be installed in the gap between the column section 22 and the column base section 21.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides an existing underground station construction vertical temporary support device which characterized in that: including crossbeam (1) and two be used for supporting vertical stand (2) of crossbeam (1), vertical stand (2) include column foundation section (21) and column base section (22), be provided with the articulated elements between column base section (21) lower extreme and the column foundation section upper end, two the upper end of column base section (22) is all along the length direction sliding connection of crossbeam (1) in the lower terminal surface of crossbeam (1), be provided with flexible driving piece (3) between column foundation section (21) and column base section (22), flexible driving piece (3) are used for driving column foundation section (21) and use the articulated elements to put up as the axis, work as column base section (22) put up to when vertical state, two column base section (22) prop up crossbeam (1) jointly.
2. The vertical temporary support device for existing underground station construction according to claim 1, wherein: the hinge comprises a rotating shaft (211) horizontally arranged at the upper end edge of the column base section (21) and a connecting block (221) arranged at the lower end edge of the column base section (22), wherein the connecting block (221) is rotationally connected with the rotating shaft (211), and when the column base section (22) swings to a vertical state, the lower end face of the column base section (22) is abutted to the upper end face of the column base section (21).
3. The vertical temporary support device for existing underground station construction according to claim 2, wherein: the telescopic column comprises a column body section (22), wherein an installation seat (222) is arranged at the lower end of the column body section (22), one end of a telescopic driving piece (3) is hinged to the inner side wall of the column base section (21), the other end of the telescopic driving piece (3) is hinged to the installation seat (222), and when the telescopic driving piece (3) contracts, the column body section (22) swings upwards by taking a rotating shaft (211) as an axis.
4. The vertical temporary support device for existing underground station construction according to claim 1, wherein: the upper end of the column body section (22) is provided with a sliding connecting piece (4), the lower end face of the cross beam (1) is provided with a sliding groove (11), and the sliding groove (11) is in sliding connection along the length direction of the cross beam (1).
5. The vertical temporary support device for existing underground station construction according to claim 4, wherein: the sliding connecting piece (4) comprises a T-shaped sliding block (41) which is in sliding connection with the sliding groove (11) and a lantern ring (42) which is in rotary connection with the edge of the upper end of the column section (22), and the T-shaped sliding block (41) is fixedly connected with the lantern ring (42).
6. A method of installing a vertical temporary support for existing underground station construction as claimed in claim 3, wherein: the method comprises the following steps:
s1: moving the temporary support device to a construction position, and then fixing the two column foundation sections (21) on a construction ground;
s2: then start flexible driving piece (3) in two post foundation sections (21) simultaneously, flexible driving piece (3) shrink to order about the pole section (22) and revolute (211) axis upswing, when pole section (22) upswing to vertical state, the up end butt of terminal surface and post foundation section (21) under pole section (22), two pole section (22) remove to crossbeam (1) both ends respectively, and the up end of pole section (22) and the lower terminal surface butt of crossbeam (1).
7. The method for installing the vertical temporary support device for the construction of the existing underground station according to claim 6, wherein the method comprises the following steps: the telescopic driving piece (3) is detachably connected to the column foundation section (21), and the connecting block (221) is detachably connected with the rotating shaft (211); in the S2, after the column section (22) swings up to a vertical state, the connection relation between the lower end of the telescopic driving piece (3) and the column foundation section (21) is removed, the lower end of the telescopic driving piece (3) is vertically fixed on the construction ground, then the connection relation between the connecting block (221) and the rotating shaft (211) is removed, and then the telescopic driving piece (3) pushes the mounting seat (222) upwards so as to drive the column section (22) and the column foundation section (21) to be separated until the upper end face of the cross beam (1) abuts against the wall top.
CN202310335699.6A 2023-03-30 2023-03-30 Vertical temporary supporting device for existing underground station construction and installation method Pending CN116145727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310335699.6A CN116145727A (en) 2023-03-30 2023-03-30 Vertical temporary supporting device for existing underground station construction and installation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310335699.6A CN116145727A (en) 2023-03-30 2023-03-30 Vertical temporary supporting device for existing underground station construction and installation method

Publications (1)

Publication Number Publication Date
CN116145727A true CN116145727A (en) 2023-05-23

Family

ID=86352666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310335699.6A Pending CN116145727A (en) 2023-03-30 2023-03-30 Vertical temporary supporting device for existing underground station construction and installation method

Country Status (1)

Country Link
CN (1) CN116145727A (en)

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