CN212000644U - Temporary support for bridge construction - Google Patents

Temporary support for bridge construction Download PDF

Info

Publication number
CN212000644U
CN212000644U CN202020182331.2U CN202020182331U CN212000644U CN 212000644 U CN212000644 U CN 212000644U CN 202020182331 U CN202020182331 U CN 202020182331U CN 212000644 U CN212000644 U CN 212000644U
Authority
CN
China
Prior art keywords
steel pipe
temporary support
sand
bridge construction
construction according
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.)
Active
Application number
CN202020182331.2U
Other languages
Chinese (zh)
Inventor
何艳龙
钟凯
侯兆隆
韩继春
张卫辉
赵永旭
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.)
Road and Bridge International Co Ltd
China Communications Road and Bridge North China Engineering Co Ltd
Original Assignee
Road and Bridge International Co Ltd
China Communications Road and Bridge North China Engineering Co 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 Road and Bridge International Co Ltd, China Communications Road and Bridge North China Engineering Co Ltd filed Critical Road and Bridge International Co Ltd
Priority to CN202020182331.2U priority Critical patent/CN212000644U/en
Application granted granted Critical
Publication of CN212000644U publication Critical patent/CN212000644U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The application discloses a temporary support for bridge construction, this a temporary support for bridge construction includes: the number of the steel tube upright columns is at least two; the distribution beam is arranged at the upper end of the steel pipe upright post; the sand box is arranged on the distribution beam; and the two adjacent steel pipe stand columns are fixedly connected through the connecting piece. The application solves the problems that in the prior art, the height of a temporary support of a steel pipe column is not flexibly adjusted when being erected, and the temporary support is difficult to disassemble after being erected.

Description

Temporary support for bridge construction
Technical Field
The application relates to the field of bridge construction supports, in particular to a temporary support for bridge construction.
Background
In the bridge construction, steel pipe support is because its construction is convenient, occupation space is few, advantages such as stable good generally are applied to the interim bearing structure of bridge construction, in design of conventional steel-pipe column temporary stand and installation, traditional approach is for directly welding shaped steel and steel pipe stand, generally adopt the bridging setting, accept the roof beam body at steel pipe column top welding I-steel, the elevation adjustment is inflexible when leading to erectting, and when the construction completion need demolish after the shaped steel welding, the top I-steel is owing to with the roof beam body direct contact, demolish difficult.
Aiming at the problems that the erection of a temporary support of a steel pipe column is not flexible in height adjustment and difficult to dismantle after erection in the related technology, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The main aim of this application provides a temporary support for bridge construction to the time scale adjustment inflexibility is erect to the steel pipe post temporary support among the solution correlation technique, demolishs difficult problem after erectting.
In order to achieve the above object, the present application provides a temporary support for bridge construction, including: the number of the steel tube upright columns is at least two; the distribution beam is arranged at the upper end of the steel pipe upright post; the sand box is arranged on the distribution beam; and the two adjacent steel pipe stand columns are fixedly connected through the connecting piece.
The concrete foundation is arranged at the lower end of the steel pipe upright post, a flange plate is embedded in the concrete foundation, and the steel pipe upright post is connected with the flange plate through bolts.
Furthermore, the number of the steel pipe upright columns is at least four, the steel pipe upright columns are distributed in a group of two steel pipe upright columns side by side, and every four steel pipe upright columns are arranged on a concrete foundation.
Furthermore, at least two groups of distribution beams are arranged and are respectively and transversely distributed at the upper end of each group of the steel pipe upright; the distribution beam is made of double-spliced I-shaped steel.
Furthermore, the sand box is composed of a lower sand barrel fixedly connected with the distribution beam and a piston, fine sand bodies are filled in the lower sand barrel, a sand outlet is formed in the side wall of the lower end of the lower sand barrel, a blocking piece is detachably arranged on the sand outlet, the piston is located above the fine sand bodies and is in sliding connection with the inner wall of the lower sand barrel, and the upper end face of the piston is used for bearing an upper structure.
Furthermore, the plugging piece is a plugging bolt in threaded connection with the sand outlet.
Furthermore, the sand box is in one-to-one correspondence with the steel pipe upright posts, and the sand box and the corresponding steel pipe upright posts are arranged coaxially.
Furthermore, the connecting piece comprises N (N is more than or equal to 2) cross beams and N-1 inclined supporting beams, and the inclined supporting beams are arranged between two adjacent cross beams one by one.
Furthermore, at least three cross beams are arranged, at least two diagonal bracing beams are arranged, and the adjacent diagonal bracing beams are splayed; the crossbeam with the raking beam all sets up to the channel-section steel.
Furthermore, the connecting piece still includes the connecting plate, the bracing beam with the crossbeam passes through connecting plate fixed connection, the connecting piece passes through connecting plate and steel pipe stand fixed connection.
In the embodiment of the application, thereby constitute steel pipe support main part through passing through connecting piece fixed connection with at least two steel pipe stands, and install distribution roof beam and sand box in proper order on the steel pipe stand, the distribution roof beam is used for becoming a plurality of assurance structural stability with load distribution, the upper end of sand box is used for accepting the superstructure, like the roof beam body, reached through the content of adjusting the interior fine sand of sand box, thereby change the height of the roof beam body, the purpose that the fine sand in the discharge sand box can make sand box upper end and roof beam body separate during the dismantlement, thereby realized nimble adjustment roof beam body elevation and be convenient for demolish the technical effect of steel pipe support, and then solved among the relevant art steel pipe post temporary stand erect the time scale height adjustment inflexibility, demolish difficult problem after the erectting.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic elevation view of a structure according to an embodiment of the present application;
FIG. 2 is a schematic view of the construction of a flask according to an embodiment of the present application;
the concrete pouring device comprises a concrete foundation 1, steel pipe upright columns 2, cross beams 3, distribution beams 4, sand boxes 5, plugging pieces 51, a sand discharging barrel 52, fine sand bodies 53, pistons 54, diagonal bracing beams 6 and connecting plates 7.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.
In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 2, an embodiment of the present application provides a temporary support for bridge construction, including: the number of the steel tube upright columns 2 is at least two; the distribution beam 4 is arranged at the upper end of the steel pipe upright post 2; the sand box 5 is arranged on the distribution beam 4; and the two adjacent steel pipe upright columns 2 are fixedly connected through the connecting piece.
In this embodiment, the steel tube column 2 can be adopted
Figure DEST_PATH_GDA0002740841800000041
The steel pipe, steel pipe stand 2 set up to two at least, guarantee roof beam body stress balance, two adjacent steel pipe stands 2 pass through connecting piece fixed connection, reinforcing steel pipe support structural strength, and distribution beam 4 passes through crane hoist and mount and weld above steel pipe stand 2 and with steel pipe stand 2, divideJoin in marriage roof beam 4 and be horizontal setting and be used for becoming a plurality of structural stability of ensureing with load distribution, sand box 5 is installed on distribution roof beam 4, the roof beam body is accepted to 5 upper ends of sand box, after the roof beam body is installed on sand box 5, obtain the design elevation through the fine sand in the sand box 5 of toward discharging outward, after the roof beam body construction finishes, the fine sand in the sand box 5 of discharging can make sand box 5 and roof beam body separate, thereby convenient to detach, realized nimble adjustment roof beam body elevation and be convenient for demolish steel pipe support's technological effect
As shown in fig. 1 to 2, the concrete foundation structure further comprises a concrete foundation 1 arranged at the lower end of the steel pipe upright 2, a flange plate is embedded in the concrete foundation 1, and the steel pipe upright 2 is connected with the flange plate through bolts.
Specifically, it should be noted that concrete foundation 1 is the rectangle, and concrete size can be decided according to the size that needs the supporting beam body, thereby the ring flange is at concrete foundation 1 and pours the pre-buried formation of in-process and is connected with steel pipe stand 2 the foundation of being connected of in-process, and 2 lower extremes of steel pipe stand and ring flange are connected, improve the joint strength between steel pipe stand 2 and the concrete foundation 1, ensure stability in use.
As shown in fig. 1 to 2, at least four steel tube columns 2 are arranged and distributed side by side in pairs, and every four steel tube columns 2 are arranged on a concrete foundation 1.
Specifically, it should be noted that, steel pipe column 2 sets up to four at least and is 2x2 and distributes, all can have stable support capacity to most roof beam bodies, and every four steel pipe column 2 are located a concrete foundation 1 jointly, and structural design is reasonable, when guaranteeing service strength, can save the construction flow, improves the efficiency of construction.
As shown in fig. 1 to 2, the distribution beams 4 are arranged in at least two groups and are respectively distributed at the upper end of each group of steel tube upright posts 2 in a transverse manner; the distribution beam 4 is made of double-spliced I-shaped steel.
Specifically, it should be noted that the distribution beam 4 is mainly used for dividing the load of the beam body into more than two points, so as to reduce the concentrated stress, and the distribution beam 4 adopts double-spliced i-steel, so that the steel tube support has the advantages of high structural strength and uniform load distribution, and the stability of the whole structure of the steel tube support is ensured.
As shown in fig. 1 to 2, the sand box 5 is composed of a lower sand barrel 52 fixedly connected with the distribution beam 4 and a piston 54, the lower sand barrel 52 is filled with fine sand bodies 53, the lower end side wall of the lower sand barrel 52 is provided with a sand outlet, a plugging piece 51 is detachably arranged on the sand outlet, the piston 54 is positioned above the fine sand bodies 53 and is in sliding connection with the inner wall of the lower sand barrel, and the upper end surface of the piston 54 is used for receiving the upper structure.
Specifically, it should be noted that the piston 54 is located in the lower sand bucket 52 and can move up and down in the lower sand bucket 52, the piston 54 is supported by the fine sand 53 filled in the lower sand bucket 52, the upper end surface of the piston 54 extends out of the end surface of the lower sand bucket 52 for a certain distance, the piston 54 can adopt a concrete structure or a rigid structure matched with the shape of the lower sand bucket 52 to ensure the structural strength of the piston 54, a sand outlet at the lower end of the lower sand bucket 52 is used for discharging the fine sand 53, that is, used for sand discharge during elevation adjustment or disassembly, the plugging member 51 is used for plugging the sand outlet to prevent the fine sand 53 from leaking, the plugging member 51 adopts a plugging bolt connected with the sand outlet through threads, and the upper end surface of the piston 54 extending out of the lower sand bucket 52 is in contact with a beam body, so as to form a support for the beam body.
As shown in fig. 1 to 2, the flasks 5 correspond to the steel pipe columns 2 one to one, and the flasks 5 are arranged coaxially with the corresponding steel pipe columns 2.
Specifically, it should be noted that one sand box 5 is correspondingly installed on one steel pipe upright 2, and the sand box 5 and the steel pipe upright 2 are coaxially arranged, so that the steel pipe upright 2 is stressed in a balanced manner, and the use stability is guaranteed.
As shown in fig. 1 to 2, the connecting member includes N (N ≧ 2) cross members 3 and N-1 raker beams 6, and the raker beams 6 are disposed one by one between two adjacent cross members 3.
Specifically, it should be explained that crossbeam 3 is the level and sets up between two adjacent steel pipe stand 2, ensures steel pipe support overall structure intensity, and crossbeam 3 needs two at least and be upper and lower distribution, and bracing roof beam 6 corresponds and is one at least and lie in between two crossbeams 3 to constitute the connecting piece structure of Z style of calligraphy jointly with two crossbeams 3, compare with traditional shear force brace structure, steel can be saved to this connecting piece structure, reduce steel pipe support's the cost of erectting.
As shown in fig. 1 to 2, at least three cross beams 3 are provided, at least two raker beams 6 are provided, and adjacent raker beams 6 are splayed; the crossbeam 3 and the raking beam 6 are both set as channel steel.
Specifically, it should be noted that three cross beams 3 and two raking braces 6 can form two zigzag connecting pieces between two steel tube columns 2, thereby saving steel while ensuring structural strength, and the cross beams 3 and the raking braces 6 are both channel steel, so that the overall strength of the connecting piece is high, and the adjacent raking braces 6 are arranged in a splayed shape, thereby further improving the overall structural strength of the connecting piece,
as shown in fig. 1 to 2, the connecting piece further comprises a connecting plate 7, the inclined supporting beam 6 and the cross beam 3 are fixedly connected through the connecting plate 7, and the connecting piece is fixedly connected with the steel pipe upright post 2 through the connecting plate 7.
Specifically, it should be noted that the bracing beam 6 and the cross beam 3 can be welded on the connecting plate 7 in advance to form a connecting piece, after the steel tube stand column 2 is positioned, the connecting piece is integrally fixed on the steel tube stand column 2, which is beneficial to accelerating the construction progress, the connecting piece can be welded with the steel tube stand column 2 through the connecting piece, a hoop can be arranged on the steel tube stand column 2 in advance, then the connecting piece is integrally welded with the hoop, and the steel tube support can be more conveniently disassembled after the construction is completed.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made 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.

Claims (10)

1. A temporary support for bridge construction, comprising:
the number of the steel tube upright columns is at least two;
the distribution beam is arranged at the upper end of the steel pipe upright post;
the sand box is arranged on the distribution beam;
and the two adjacent steel pipe stand columns are fixedly connected through the connecting piece.
2. The temporary support for bridge construction according to claim 1, further comprising a concrete foundation disposed at a lower end of the steel pipe column, wherein a flange is embedded in the concrete foundation, and the steel pipe column is bolted to the flange.
3. The temporary support for bridge construction according to claim 2, wherein the steel tube columns are arranged in at least four groups and distributed side by side, and every four steel tube columns are arranged on a concrete foundation.
4. The temporary support for bridge construction according to any one of claims 1 to 3, wherein the distribution beams are arranged in at least two groups and are respectively distributed at the upper end of each group of the steel pipe upright in the transverse direction; wherein the content of the first and second substances,
the distribution beam is made of double-spliced I-shaped steel.
5. The temporary support for bridge construction according to claim 1, wherein the sand box is composed of a lower sand barrel fixedly connected with the distribution beam and a piston, the lower sand barrel is filled with fine sand, a sand outlet is arranged on the side wall of the lower end of the lower sand barrel, a plugging piece is detachably arranged on the sand outlet, the piston is positioned above the fine sand body and is in sliding connection with the inner wall of the lower sand barrel, and the upper end surface of the piston is used for bearing the upper structure.
6. A temporary support for bridge construction according to claim 5, wherein the plugs are provided as plug bolts in threaded connection with sand outlets.
7. The temporary support for bridge construction according to claim 6, wherein the sand box corresponds to the steel pipe upright, and the sand box and the corresponding steel pipe upright are coaxially disposed.
8. The temporary support for bridge construction according to claim 1, wherein the connecting member comprises N (N is more than or equal to 2) cross beams and N-1 raker beams, and the raker beams are arranged between two adjacent cross beams one by one.
9. The temporary support for bridge construction according to claim 8, wherein the number of the cross beams is at least three, the number of the raker beams is at least two, and the adjacent raker beams are splayed; wherein the content of the first and second substances,
the crossbeam with the raking beam all sets up to the channel-section steel.
10. The temporary support for bridge construction according to claim 9, wherein the connecting member further comprises a connecting plate, the raker beam and the cross beam are fixedly connected through the connecting plate, and the connecting member is fixedly connected with the steel pipe upright through the connecting plate.
CN202020182331.2U 2020-02-18 2020-02-18 Temporary support for bridge construction Active CN212000644U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020182331.2U CN212000644U (en) 2020-02-18 2020-02-18 Temporary support for bridge construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020182331.2U CN212000644U (en) 2020-02-18 2020-02-18 Temporary support for bridge construction

Publications (1)

Publication Number Publication Date
CN212000644U true CN212000644U (en) 2020-11-24

Family

ID=73419902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020182331.2U Active CN212000644U (en) 2020-02-18 2020-02-18 Temporary support for bridge construction

Country Status (1)

Country Link
CN (1) CN212000644U (en)

Similar Documents

Publication Publication Date Title
CN110004832B (en) Large-span cantilever truss type bent cap bracket system and construction method
CN212175502U (en) Can dismantle bent cap construction support
CN209178839U (en) Deck type box arch bridge pier stud Coping Construction structure
CN212000644U (en) Temporary support for bridge construction
CN208632971U (en) A kind of Demountable bracket
CN202131600U (en) Dual cross fixing end
CN106758839A (en) A kind of strutting system and its installation method of the cast-in-place segmental construction of pier top
CN210597044U (en) Support seat is adjusted to support pillar crossbeam of assembling
CN216615730U (en) Inverted supporting platform for rear corbel of dam
CN203145432U (en) steel pipe scaffold ladder stand
CN105781159A (en) Construction process for reinforced concrete coal hopper of power plant main building
CN202577162U (en) Combined-type steel pipe bracket
CN212561172U (en) Jig frame structure, jig frame assembly and assembling structure
CN210482242U (en) Cylindrical tail water surge chamber impedance plate concrete pouring combined supporting system
CN110205945B (en) Detachable and adjustable Y-shaped steel structure pier self-balancing device and construction method
CN210439163U (en) Diagonal joist supporting structure applicable to assembly and disassembly of continuous beam
CN215369949U (en) Middle plate and frame body reserved door type channel
CN208280134U (en) A kind of pile foundation construction operation platform device
CN111395204A (en) Prestressed cantilever support structure of large cantilever bent cap and construction method
CN108211435B (en) Mechanical stirring clarification tank with inclined tube support
CN216920023U (en) Support for large cantilever bent cap construction
CN205875195U (en) No pull rod formula cushion cap template
CN216864857U (en) Quick support bracket convenient to cast-in-place roof beam construction
CN220100692U (en) Large-volume concrete chute combined device
CN214695213U (en) Arch ring formwork system of porous arch bridge

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant