CN214573355U

CN214573355U - Shaped recyclable upright-free formwork supporting system for steel-concrete composite bridge

Info

Publication number: CN214573355U
Application number: CN202022874894.0U
Authority: CN
Inventors: 张竹军; 谢茂; 刘江; 任春雨; 陆启宏; 蒋怡
Original assignee: China Construction Fourth Bureau Fifth Construction Engineering Co Ltd
Current assignee: China Construction Fourth Bureau Fifth Construction Engineering Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-02
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a regularization can have enough to meet need and exempt from pole setting template braced system for steel-concrete composite bridge, including triangular truss support part A, I-steel support part B, triangular truss support part A's main joist I is arranged from top to bottom and is connected into triangular truss with secondary joist I, and top main joist I head end is connected with steel construction channel beam flange board through the steering box and the tail end is connected with safety protection railing through safety protection railing base, and bottom main joist I head end is connected with steel construction channel beam web through adjustable support base; the main keel II of the I-shaped steel supporting part B is arranged above the steel structure channel beam diaphragm, the secondary keel II is arranged above the main keel II, the adjusting secondary keel II is arranged above or on one side of the secondary keel II, the wedge-shaped cushion block is arranged between the steel structure channel beam inclined diaphragm and the main keel II, and the T-shaped cushion block is arranged below the inclined diaphragm and the upper end of the T-shaped cushion block supports the main keel II. The utility model has the characteristics of the dismouting is convenient, the turnover is convenient, economic safety.

Description

Shaped recyclable upright-free formwork supporting system for steel-concrete composite bridge

Technical Field

The utility model belongs to the technical field of construction machinery, concretely relates to pole setting template braced system can be had enough to meet need in stereotype for steel-mix combination bridge of dismouting convenient, turnover convenience, economic safety environmental protection.

Background

The steel-concrete composite bridge is a novel structure combining the characteristics of a reinforced concrete structure and a steel structure bridge, has the advantages of high structural bearing capacity, light dead weight, high bridge spanning capacity, high structural rigidity, high construction speed, low risk, easiness in management, low manufacturing cost, convenience in installation, excellent fire resistance and the like, and is widely applied to highway, railway and urban interchange construction.

Traditional bridge floor concrete placement template braced system generally adopts fastener formula, bowl knot formula or dish knot formula full hall scaffold braced system, not only installs and dismantles the difficulty, leads to the efficiency of construction low, be difficult to used repeatedly, and occupation space also moreover, and to span the bridge deck slab set up full hall scaffold very difficult. Along with the increase and the design level of traffic and city infrastructure construction, artifical and material cost's improvement, full hall scaffold form braced system that traditional bridge floor concrete placement adopted is because the member is numerous, cause easily when transportation and storage to lose or destroy, cause the material to consume too much, not only be unfavorable for the environmental protection, and the cost is too high, the material is piled up, the mixed and disorderly and cycle of construction of job site is longer, its security performance has not satisfied the span and is big, high bridge floor concrete construction, if insist the use causes the safety in production accident easily, there is very big potential safety hazard. Therefore, it is necessary to develop a turnover and shaping upright-free formwork support system which can solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pole setting template braced system can have enough to meet need to be exempted from in regularization for steel-concrete composite bridge that dismouting is convenient, the turnover is convenient, economic safety environmental protection.

The purpose of the utility model is realized like this: the triangular truss supporting part A comprises a main keel I, a secondary keel I, a direction adjusting box, an adjustable supporting base, a safety protection railing base and a safety protection railing, wherein the main keel I is formed by horizontally arranging an upper main keel I and a lower main keel I at intervals up and down and connecting the upper main keel I and the lower main keel I with the vertically arranged secondary keels I at intervals to form a triangular truss structure; i-steel support part B includes main joist II, secondary joist II, regulation type secondary joist II, wedge cushion, T shape cushion, main joist II is in the same direction as the bridge and is arranged in the diaphragm roof beam top of steel construction channel beam, II interval transverse arrangement of secondary joist are in II tops of main joist, regulation type secondary joist II is arranged in the top or one side of secondary joist II, the wedge cushion is arranged between the slope diaphragm roof beam upper surface of steel construction channel beam and the bottom surface of main joist II, the T shape cushion corresponds II fixed settings in the slope diaphragm roof beam lower surface of steel construction channel beam of main joist, the T shape cushion upper surface forms the support to the bottom surface of main joist II.

The utility model has the advantages that:

1. the utility model discloses support the part with triangle truss and I-steel with the steel construction channel beam respectively and form one set of complete braced system through dismantling coupling assembling, thereby realize template braced system's regularization construction and can dismantle used repeatedly, both the dismouting is convenient, it is convenient, steady to adjust in the assembling process moreover, again with low costs, environmental protection economy, it is complicated to have avoided traditional full hall upright post braced system process, complex operation, at the bottom of the work efficiency, drop into shortcoming such as big, should use on a large scale in the construction of steel-concrete combination bridge.

2. The utility model discloses can conveniently change different regularization triangle truss support part and I-steel support part and part subassembly as required, triangle truss support part still can adjust with the support angle of template to adapt to different template models, not only standard rate degree is high, strong adaptability, can dismantle repeatedly moreover in the use and used repeatedly, average use cost is low.

3. The utility model discloses a main joist, secondary joist, accent to box, adjustable support base and can dismantle coupling assembling's modular structure to can realize batch production preparation, on-the-spot modularization equipment, not only can show and improve formwork efficiency, effectively shorten construction cycle and reduce labour's cost, but also can avoid traditional template braced system's material to pile up, job site mixed and disorderly scheduling problem.

4. The utility model discloses a main joist I forms triangular truss structure with I secondary joist, is connected with steel construction channel type roof beam through dismantling coupling assembling with the accent to box and adjustable support base moreover, not only connects safe and reliable, can effectively guarantee the holistic structural strength of triangular truss support part and bearing capacity moreover on lightweight, standardized basis to can guarantee construction quality and construction safety, reach the cost reduction increase purpose of accelerating the construction progress, reducing engineering cost.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic structural view of a triangular truss support part of the present invention;

FIG. 4 is a schematic view of the adjustable supporting base according to the present invention;

FIG. 5 is a schematic view of a second structure of the adjustable supporting base of the present invention;

FIG. 6 is an enlarged view of a partial structure of the I-beam supporting portion of the present invention;

in the figure: a-a triangular truss supporting part, 1-a main keel I, 1-1-an upper main keel I, 1-2-a lower main keel I, 2-a secondary keel I, 3-a direction adjusting box, 3-1-a direction adjusting box body, 3-2-a fixing bolt I, 3-3-a direction adjusting bolt, 3-4-a fixing bolt II, 4-an adjustable supporting base, 4-1-a gasket, 4-2-a supporting screw rod, 4-3-an adjusting nut, 4-4-a sliding bearing, 4-5-a thrust joint bearing, 5-a safety barrier base, 6-a safety barrier, 7-a laminate secondary keel, 8-a laminate, B-an I-shaped steel supporting part, 9-a main keel II, 10-secondary keel II, 11-adjusting secondary keel II, 12-wedge-shaped cushion blocks, 13-T-shaped cushion blocks, C-steel structure channel beams and D-C50 bridge deck concrete.

Detailed Description

The present invention is further described with reference to the following drawings and examples, but the present invention is not limited thereto in any way, and any modification or improvement based on the teaching of the present invention is within the protection scope of the present invention.

As shown in fig. 1 to 6, the utility model comprises a triangular truss supporting part A and an I-shaped steel supporting part B, the triangular truss supporting part A comprises a main keel I1, a secondary keel I2, a direction adjusting box 3, an adjustable supporting base 4, a safety protection railing base 5 and a safety protection railing 6, the main keel I1 is formed into a triangular truss structure by connecting an upper main keel I1-1 and a lower main keel I1-2 which are transversely arranged at intervals up and down and vertically arranged secondary keels I at intervals, the head end of the upper main keel I1-1 is connected with the flange plate of the steel structure channel beam through a direction adjusting box 3, and the tail end is fixedly connected with a safety protection railing base 5, the bottom of the safety protection railing 6 is detachably connected with a safety protection railing base 5, and the head end of the lower main keel I1-2 is connected with a steel structure channel beam web plate through an adjustable supporting base 4; i-steel support portion B includes II 9 of main joist, II 10 of secondary joist, regulation type secondary joist II 11, wedge cushion 12, T shape cushion 13, II 9 of main joist are arranged in the direction of the bridge in the diaphragm roof beam top of steel structure channel beam, II 10 interval transversal arrangement of secondary joist are in II 9 tops of main joist, II 11 of regulation type secondary joist arrange in the top or one side of II 10 of secondary joist, wedge cushion 12 arranges between the slope diaphragm roof beam upper surface of steel structure channel beam and II 9's of main joist the bottom surface, T shape cushion 13 corresponds II 9 of main joist and fixes and set up in the slope diaphragm roof beam lower surface of steel structure channel beam, the top of T shape cushion 13 forms the support to II 9's of main joist bottom surface.

As shown in figure 3, the direction adjusting box 3 comprises a direction adjusting box body 3-1, a fixing bolt I3-2, a direction adjusting bolt 3-3 and a fixing bolt II 3-4, an arc adjusting hole is formed in one side, close to a steel structure groove type beam web plate, of the direction adjusting box body 3-1, the head end of the upper main keel I1-1 is fixedly connected with the direction adjusting box body 3-1 through the fixing bolt I3-2 at one side, far away from the arc adjusting hole, of the head end of the upper main keel I1-1, the head end of the upper main keel I1-1 is further fixedly connected with the direction adjusting box body 3-1 through the direction adjusting bolt 3-3 penetrating through the arc adjusting hole and capable of adjusting the angle, and the direction adjusting box body 3-1 is fixedly connected with the steel structure groove type beam top plate through the fixing bolt II 3-4.

The direction-adjusting box body 3-1 is of a square tubular structure, the head end of the direction-adjusting box body 3-1 is fixedly connected with a steel structure groove-shaped beam flange plate through a fixing bolt II 3-4 penetrating through an upper pipe wall and a lower pipe wall, the middle end of the direction-adjusting box body 3-1 is provided with arc-shaped adjusting holes penetrating through two side walls, and the head end of the upper main keel I1-1 is fixedly connected with the direction-adjusting box body 3-1 through a fixing bolt I3-2 penetrating through two side walls of the tail end of the direction-adjusting box body 3-1.

The arc-shaped adjusting hole of the direction adjusting box body 3-1 takes the center of the connecting hole of the fixing bolt I3-2 as the circle center.

And the upper main keel I1-1 is provided with laminate secondary keels 7 parallel to the main keel II 9 at intervals, and laminates 8 for supporting concrete are arranged above the laminate secondary keels 7.

And a laminated plate 8 for supporting concrete is arranged above the adjusting type secondary keel II 11, and the main keel II 9 is I-shaped steel or T-shaped steel.

As shown in fig. 3, two ends of the secondary keel i 2 are respectively fixedly connected with the upper main keel i 1-1 and the lower main keel i 1-2, the adjustable supporting base 4 comprises a gasket 4-1, a supporting screw 4-2 and an adjusting nut 4-3, the gasket 4-1 is fixedly connected with a steel structure channel beam web, the bottom end of the supporting screw 4-2 is fixedly connected with the gasket 4-1 and is in threaded connection with the adjusting nut 4-3, the head end of the supporting screw 4-2 penetrates from the bottom end of the lower main keel i 1-2 and extends, and the head end of the lower main keel i 1-2 is supported on the end face of the adjusting nut 4-3.

As shown in fig. 4, the lower main keel i 1-2 is in a circular tube shape or a square tube shape, the head end of the lower main keel i 1-2 is closed, and a circular hole penetrating through the support screw rod 4-2 is formed in the head end of the lower main keel i 1-2, and a sliding bearing 4-4 or a thrust bearing is coaxially arranged between the head end of the lower main keel i 1-2 and the end surface of the adjusting nut 4-3.

As shown in figure 5, the diameter of a circular hole at the head end of the lower main keel I1-2 is larger than the outer diameter of the supporting screw rod 4-2, or a thrust joint bearing 4-5 is arranged between the head end of the lower main keel I1-2 and the end surface of the adjusting nut 4-3.

As shown in fig. 3, the bottom of the safety protection railing base 5 is vertically and fixedly connected with the tail end of the upper main keel i 1-1, the safety protection railing base 5 is provided with at least two fixing holes at intervals along the axial direction, and the safety protection railing 6 is fixedly connected with the safety protection railing base 5 through a fixing bolt iii passing through the fixing holes.

The utility model discloses theory of operation and working process:

the utility model discloses form a set of complete braced system with triangle truss support part and I-steel support part respectively with steel construction channel beam through dismantling coupling assembling, thereby realize the regularization construction and the dismantlement used repeatedly of template braced system, not only the dismouting is convenient, and adjust convenient, steady in the assembling process, thereby can show the efficiency that improves the formwork, effectively shorten construction cycle and reduce labour cost, and repeatedly usable, avoided traditional full hall to erect the pole braced system shortcoming such as complicated, complex operation, the work efficiency end, the input is big;

different shaped triangular truss supporting parts, I-steel supporting parts and component assemblies thereof can be conveniently replaced according to needs, and the triangular truss supporting parts can also adjust supporting angles with the templates so as to adapt to different template models, and have high integral standard rate degree and strong adaptability; through the modular structure of the main keel, the secondary keel, the direction adjusting box, the adjustable supporting base and the detachable connecting assembly, the industrial manufacturing and the field modular assembly can be realized, the formwork supporting efficiency can be obviously improved, the construction period is effectively shortened, the labor cost is reduced, and the problems of material accumulation, messy construction field and the like of the traditional formwork supporting system can be avoided; form the triangular truss structure through main joist I and secondary joist I, and be connected with steel construction channel beam through dismantling coupling assembling with the direction regulating box and adjustable support base, not only joint strength is good and safe and reliable, moreover can effectively guarantee the holistic structural strength of triangular truss support part and bearing capacity on lightweight, standardized basis, thereby can guarantee construction quality and construction safety, reach the cost reduction increase purpose that accelerates the construction progress, reduce engineering cost, should use on a large scale in the construction of steel-concrete composite bridge.

As shown in fig. 1 to 6, the main keels I1 are arranged horizontally and vertically at intervals and are welded and connected with the auxiliary keels I2 arranged vertically at intervals to form a triangular truss structure; firstly, the head end of a direction adjusting box body 3-1 is fixedly connected with a steel structure channel beam flange plate through a fixing bolt II 3-4, then the head end of an upper main keel I1-1 of a triangular truss structure is fixedly connected with the direction adjusting box 3 through a fixing bolt I3-2 and a direction adjusting bolt 3-3, the angle of the upper main keel I1-1 is adjusted through the direction adjusting bolt 3-3 when necessary, and finally the tail end is fixedly connected with a safety protection railing 6 through a safety protection railing base 5 through a fixing bolt III; the head end of the lower main keel I1-2 is enabled to form stable support with a steel structure channel beam web by adjusting an adjusting nut 4-3 on a supporting screw rod 4-2, and finally a stable, reliable and adjustable triangular truss supporting part A with safety protection is integrally formed. Arranging a main keel II 9 above a diaphragm beam in a steel structure channel beam along the bridge direction, transversely arranging a secondary keel II 10 and an adjusting type secondary keel II 11 above the main keel II 9 according to the space, and adjusting the elevation of the main keel II 9 through a wedge-shaped wood square cushion block 12 and a T-shaped steel cushion block 13 to form a stable and reliable I-shaped steel supporting part B; when disassembling, the above process is repeated reversely.

Claims

1. A regularization can have enough to meet need and exempt from pole setting template braced system for steel-concrete combination bridge, its characterized in that includes triangle truss support part A, I-steel support part B, triangle truss support part A includes main joist I (1), secondary joist I (2), transfer to box (3), adjustable support base (4), safety protection railing base (5), safety protection railing (6), main joist I (1) is by upper main joist I (1-1) and lower main joist I (1-2) horizontal upper and lower interval arrangement and with vertical interval arrangement secondary joist I (2) connect and form triangle truss structure, the head end of upper main joist I (1-1) is connected and the tail end and safety protection railing base (5) fixed connection with steel construction channel beam flange board through transferring to box (3), safety protection railing (6) bottom and safety protection railing base (5) can dismantle and be connected, the head end of the lower main keel I (1-2) is connected with a steel structure channel beam web plate through an adjustable supporting base (4); i-steel support part B includes main joist II (9), secondary joist II (10), regulation type secondary joist II (11), wedge cushion (12), T shape cushion (13), the main joist II (9) is arranged in the direction of the bridge in the diaphragm roof beam top of steel construction channel beam, secondary joist II (10) interval transverse arrangement is in main joist II (9) top, regulation type secondary joist II (11) are arranged in top or one side of secondary joist II (10), wedge cushion (12) are arranged between the bottom surface of the slope diaphragm roof beam upper surface of steel construction channel beam and main joist II (9), T shape cushion (13) correspond main joist II (9) and fix and set up in the slope diaphragm roof beam lower surface of steel construction channel beam, T shape cushion (13) upper surface forms the support to the bottom surface of main joist II (9).

2. The regularization turnover upright-free formwork support system for the steel-concrete composite bridge, as recited in claim 1, characterized in that the direction-adjusting box (3) comprises a direction-adjusting box body (3-1), a fixing bolt I (3-2), a direction-adjusting bolt (3-3) and a fixing bolt II (3-4), the direction-adjusting box body (3-1) is provided with an arc-shaped adjusting hole at one side close to the steel structure channel type beam web, the head end of the upper main keel I (1-1) is fixedly connected with the direction-adjusting box body (3-1) through the fixing bolt I (3-2) at one side far away from the arc-shaped adjusting hole, the head end of the upper main keel I (1-1) is also fixedly connected with the direction-adjusting box body (3-1) through the direction-adjusting bolt (3-3) passing through the arc-shaped adjusting hole, the direction adjusting box body (3-1) is fixedly connected with the steel structure channel beam top plate through a fixing bolt II (3-4).

3. The regularization rotatable upright-free formwork support system for the steel-concrete composite bridge, as recited in claim 2, is characterized in that the direction-adjusting box body (3-1) is of a square tubular structure, the head end of the direction-adjusting box body (3-1) is fixedly connected with the flange plate of the steel structure channel beam through a fixing bolt II (3-4) penetrating through the upper and lower pipe walls, the middle end of the direction-adjusting box body (3-1) is provided with an arc-shaped adjusting hole penetrating through the two side walls, and the head end of the upper main keel I (1-1) is fixedly connected with the direction-adjusting box body (3-1) through a fixing bolt I (3-2) penetrating through the two side walls of the tail end of the direction-adjusting box body (3-1).

4. The regularization rotatable upright-free formwork support system for the steel-concrete composite bridge, according to claim 2, is characterized in that the arc-shaped adjusting hole of the direction adjusting box body (3-1) takes the center of the connecting hole of the fixing bolt I (3-2) as the center of a circle.

5. The regularization turnover pole-free formwork support system for the steel-concrete composite bridge according to claim 2, characterized in that the upper main joist i (1-1) is provided with a layer plate secondary joist (7) parallel to the main joist ii (9) at intervals, and the layer plate (8) for supporting concrete is arranged above the layer plate secondary joist (7).

6. The regularization turnover pole-free formwork support system for the steel-concrete composite bridge according to claim 2, characterized in that a concrete-supporting laminate (8) is arranged above the adjusting type secondary joist II (11), and the main joist II (9) is I-steel or T-steel.

7. The regularization rotatable upright-free formwork support system for the steel-concrete composite bridge beam as claimed in any one of claims 2 to 6, wherein two ends of the secondary keel I (2) are respectively and fixedly connected with the upper main keel I (1-1) and the lower main keel I (1-2), the adjustable support base (4) comprises a gasket (4-1), a support screw (4-2) and an adjusting nut (4-3), the gasket (4-1) is fixedly connected with a steel structure channel beam web, the bottom end of the support screw (4-2) is fixedly connected with the gasket (4-1) and is in threaded connection with the adjusting nut (4-3), the head end of the support screw (4-2) penetrates and extends from the bottom end of the lower main keel I (1-2), and the head end of the lower main keel I (1-2) is supported on the adjusting nut (4-3) On the end face.

8. The regularization rotatable upright-free formwork support system for the steel-concrete composite bridge according to claim 7, characterized in that the lower main keel I (1-2) is in a circular or square tube shape, the head end of the lower main keel I (1-2) is closed and is provided with a round hole penetrating through the support screw (4-2), and a sliding bearing (4-4) or a thrust bearing is coaxially arranged between the head end of the lower main keel I (1-2) and the end surface of the adjusting nut (4-3).

9. The finalized rotatable pole-free formwork support system for the steel-concrete composite bridge according to claim 8, wherein the diameter of a circular hole at the head end of the lower main keel I (1-2) is larger than the outer diameter of the support screw (4-2), or a thrust joint bearing (4-5) is arranged between the head end of the lower main keel I (1-2) and the end face of the adjusting nut (4-3).

10. The standardized, recyclable and pole-free formwork support system for the steel-concrete composite bridge is characterized in that the bottom of the safety protection railing base (5) is vertically and fixedly connected with the tail end of the upper main keel I (1-1), the safety protection railing base (5) is provided with at least two fixing holes at intervals along the axial direction, and the safety protection railing (6) is fixedly connected with the safety protection railing base (5) through a fixing bolt III penetrating through the fixing holes.