CN212270703U - Bridge deck bearing combined support - Google Patents

Abstract

The utility model provides a decking bearing sectional shelf-unit, its structure is: the upright stanchion, the cross rod and the shear rod are sequentially connected end to form a triangular bracket, the upright stanchion and the cross rod form a right angle, a bolt plate is fixed at the connection part of the cross rod and the shear rod, and an insertion hole is formed in the middle of the bolt plate; a bolt head is fixed at the joint of the upright rod and the shear rod; the four triangular supports form a square stressed frame through the bolt heads and the bolt plates, and the formed square stressed frame is overlapped up and down to form the bridge deck bearing combined support. The utility model discloses a whole bearing sectional shelf-unit is formed in the triangle-shaped support combination of basis, need not to use the fastener, has promoted sectional shelf-unit's installation convenience and structural stability, and the construction is simple, and material saving.

Description

Bridge deck bearing combined support

Technical Field

The utility model relates to a highway bridge deck plate construction equipment field specifically is a bridge deck plate bearing sectional shelf-unit.

Background

The bridge deck, also known as a roadway slab, is a load-bearing structure for directly bearing the wheel pressure of a vehicle. It is generally structurally integral with the ribs and diaphragms of the main beam, so as to both transmit the vehicle to the main beam and form part of its section, and to ensure its overall function. The deck slab is typically made of reinforced concrete and may be transversely prestressed.

At present, a weighing system constructed on a bridge deck slab in China mostly adopts a fastener type steel pipe support frame, a bowl buckle type steel pipe support frame, a disc buckle type steel pipe support frame, a steel pipe Bailey piece support frame and a scaffold which is combined by the above. A top support is arranged on the scaffold to adjust the height, and then a steel pipe, a lifting plate, a template and the like are laid to form a weighing support system. Common support system includes steel pipe member, fastener, distributes pole setting, horizon bar, shear bar etc. when setting up, connects through the fastener.

Under the conventional condition, the length of each rod basically reaches 6 meters, the weight of a single rod is heavy, time and labor are consumed when each steel pipe needs to be manually transferred and constructed when a scaffold is erected, and the speed is low. When the scaffold frame adopts the fastener to connect, because the fastener that needs to connect is seen many, and the variety is numerous and diverse, the workman appears the mistake very easily or omits partial fastener when the construction, and every workman causes certain potential safety hazard to the security of whole support system because the construction level difference is great moreover to the screw installation torsion difference of fastener. Each rod piece is long, a long flat car is adopted for transportation, and loading and unloading are inconvenient. And the steel pipe is cut according to different requirements of construction height, so that waste is caused to materials. The wing plates of the bridge deck are also mostly supported by a support system to be directly acted on the template, and the steel pipes are required to be cut to meet the requirements due to the fact that the heights of the wing plates are mostly not uniform, so that waste is caused to the steel pipes. Or the jacking is utilized to adjust one by one, so that the construction is time-consuming and the construction quality is influenced due to the fact that the jacking is easy to settle in the pouring process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a decking bearing sectional shelf-unit is provided, triangle-shaped support combination through the basis forms whole bearing sectional shelf-unit, need not to use the fastener, has promoted sectional shelf-unit's installation convenience and structural stability, and the construction is simple, and material saving.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a bridge deck bearing combined bracket comprises upright posts, cross rods and shear rods; the upright rods, the cross rods and the shear rods are sequentially connected end to form a triangular support, the upright rods and the cross rods form right angles, a plug pin plate is fixed at the connecting position of the cross rods and the shear rods, and jacks are formed in the middles of the plug pin plates; a bolt head is fixed at the joint of the upright rod and the shear rod;

four triangle-shaped supports pass through the atress frame that bolt head and bolt board constitute the square, promptly: the bolt plate of the first triangular bracket is arranged at the upper part of the upright post of the second triangular bracket, the bolt plate of the second triangular bracket is arranged at the upper part of the upright post of the third triangular bracket, the bolt plate of the third triangular bracket is arranged at the upper part of the upright post of the fourth triangular bracket, and the bolt plate of the fourth triangular bracket is arranged at the upper part of the upright post of the first triangular bracket; when the plug board is erected, the jack in the plug board is aligned with the upper hole of the corresponding upright stanchion;

the atress frame of the square that forms coincide from top to bottom, constitutes decking bearing sectional shelf-unit, promptly: the bolt head of the stressed frame of the upper cube penetrates through the corresponding jack and is inserted into the upper hole of the upright rod of the stressed frame of the lower cube.

Furthermore, the vertical rods, the cross rods and the shear rods are made of steel pipes.

Further, the length of the vertical rod is smaller than that of the cross rod or the length of the vertical rod is equal to that of the cross rod.

Furthermore, one or a plurality of reinforcing ribs are fixed in the triangular bracket.

Further, the reinforcing ribs are fixed between two top corners of the triangular support or between two sides of the triangular support.

Compared with the prior art, the beneficial effects of the utility model are that:

1) adopt triangle-shaped supporting structure, this bearing sectional shelf-unit stable in structure, direct ann inserts the connection, does not use any fastener and guarantees the atress structure, has strengthened the ability of shearing of structure greatly, need not additionally set up shear bar, material saving.

2) The single triangular support is light in weight, a worker can conveniently install and detach the triangular support, the operation is simple, any auxiliary tool is not needed, and time and labor are saved.

3) The single triangular support is small in size and convenient to transport, and a special transport tool is not needed.

Drawings

Fig. 1 is a perspective view of a triangular support structure in a bearing combined support of a bridge deck of the present invention.

Fig. 2 is a plan view of a triangular support structure in a bearing combined support of a bridge deck.

Fig. 3 is a schematic structural view of a pin plate (a in fig. 2) in a bearing assembly bracket for a bridge deck according to the present invention.

Fig. 4 is a schematic view of a triangular bracket with reinforcing ribs according to the present invention.

Fig. 5 is a schematic diagram of a triangular bracket with reinforcing ribs according to the present invention.

Fig. 6 is a schematic view of a single vertical structure of a bearing assembly of a bridge deck according to the present invention.

Fig. 7 is a schematic view of a wing plate bent structure according to the present invention.

Fig. 8 is a schematic view of the overall structure of a bearing assembly bracket for a bridge deck according to the present invention.

In the figure: a vertical rod 1; a cross bar 2; a latch plate 3; a shear bar 4; a plug pin head 5; a jack 6; a tie bar 7; an inner support frame 8; a peripheral bent 9; a bridge deck 10; a template 11; a wing plate bent 12; i-shaped wood 13; a top support 14; and a reinforcing rib 15.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a decking bearing sectional shelf-unit, its structure is: comprises a vertical rod 1, a cross rod 2 and a shear rod 4; the upright stanchion 1, the cross rod 2 and the shear rod 4 are sequentially connected end to form a triangular bracket, the upright stanchion 1 and the cross rod 2 form a right angle, a bolt plate 3 is fixed at the connection part of the cross rod 2 and the shear rod 4, and an insertion hole 6 is formed in the middle of the bolt plate 3; a bolt head 5 is fixed at the joint of the upright rod 1 and the shear rod 4; four triangle-shaped supports pass through bolt head 5 and bolt board 3 and constitute the atress frame of square, promptly: the bolt plate 3 of the first triangular bracket is arranged at the upper part of the upright stanchion 1 of the second triangular bracket, the bolt plate 3 of the second triangular bracket is arranged at the upper part of the upright stanchion 1 of the third triangular bracket, the bolt plate 3 of the third triangular bracket is arranged at the upper part of the upright stanchion 2 of the fourth triangular bracket, and the bolt plate 3 of the fourth triangular bracket is arranged at the upper part of the upright stanchion 1 of the first triangular bracket; when the device is erected, the jack 6 in the plug board 3 is aligned with the upper hole of the corresponding upright stanchion 1; the atress frame of the square that forms coincide from top to bottom, constitutes decking bearing sectional shelf-unit, promptly: the bolt head 5 of the stressed frame of the upper cube penetrates through the corresponding jack 6 to be inserted into the upper hole of the upright rod 1 of the stressed frame of the lower cube.

As an optimization mode, the vertical rods 1, the cross rods 2 and the shear rods 4 are made of steel pipes, namely the triangular supports can be welded by steel pipes and steel bars, and the diameters of the steel pipes are conventional seamless steel pipes in the market.

The optimization can also be carried out, wherein the length of the upright rod 1 is smaller than that of the cross rod 2, or the length of the upright rod 1 is equal to that of the cross rod 2; the stability of the square stressed frame formed in the mode is further improved. In addition, one or a plurality of reinforcing ribs 15 are fixed in the triangular bracket to enhance the strength performance of a single triangular bracket, so that the strength performance of the whole bearing combined bracket is improved; the reinforcing ribs 15 may be fixed between two vertex angles of the triangular bracket or between two sides of the triangular bracket.

The actual use of the load-bearing composite bridge deck in figure 8 is further illustrated. The leveling range of the bridge deck support foundation is 1-2 m larger than the contour of the bridge deck, the height of the top surface of the foundation is reduced by the height H of a scaffold from the bottom height of a bridge deck, and the height H of a tripod scaffold is = the bottom height of the bridge deck, the height of the compacted foundation, the height of a foundation cushion block, the height of a bottom support, the adjustable height of a top support 14, the height of an upper bent and the thickness of a template. The basic elevation is compacted after leveling by taking a measurement placing point as a standard, and a support can be erected after the bearing capacity test is qualified (EV 2> =80MPa, K < = 2).

As shown in fig. 8, the plug pin head 5 of the tripod stand is inserted on the bottom support, and 4 tripod stands are taken as a group of square stressed frames, such as four triangular stands 1#, 2#, 3#, and 4#, as an example, specifically as follows: the bolt plate 3 of the 1# triangular support is erected on the upper portion of the upright stanchion 1 of the 2# triangular support, the bolt plate 3 of the 2# triangular support is erected on the upper portion of the upright stanchion 1 of the 3# triangular support, the bolt plate 3 of the 3# triangular support is erected on the upper portion of the upright stanchion 1 of the 4# triangular support, the bolt plate 3 of the 4# triangular support is erected on the upper portion of the upright stanchion 1 of the 1# triangular support, and when the bolt plate 3 is erected, the bolt plate 3 is noticed that the insertion holes 6 of the bolt plate 3 are aligned with the upper hole of the upright. The upper square stressed frame and the lower square stressed frame are erected, the bolt head 5 of the upper square stressed frame is inserted into the jack 6 of the bolt plate 3 of the lower square stressed frame and the hole of the upright rod 1, and the upper square stressed frame and the lower square stressed frame are sequentially superposed to the designed elevation. According to the concrete condition of each structure, the transverse and longitudinal erection is carried out according to a certain distance, and after the installation is finished, the top and the bottom of the whole support are fixed by steel pipes to be connected into a whole.

After the bearing combined bracket is installed, the top support 14 is installed at the uppermost part of the bearing combined bracket. I-shaped timber 13, transverse I-shaped timber 13 and longitudinal I-shaped timber 13 are installed on the top support 14, longitudinal I-shaped timber 13 or a wood springboard is vertically installed on the transverse I-shaped timber 13, and then the template 11 is placed. After the installation is completed, the support system is pre-pressed, and then the elevation of the formwork 11 is adjusted by the jacking 14.

The wing plate bent frame 12 is installed on the wing plate of the bridge deck, the wing plate bent frame 12 is welded by steel bars, every three rows of the wing plate bent frames are welded into a group by the steel bars, the stability of the bent frame is guaranteed, and the wood springboard templates are sequentially placed on the wing plate bent frame 12. The wing plate bent frame 12 is simple to process, can adopt the leftover bits of a reinforcing steel bar field to weld, is simple in structure and easy to process, can be repeatedly used by adjusting the thickness of the upper wood jump plate in a similar structure, and saves the waste of materials caused by cutting the lower supporting steel pipe due to the non-uniformity of elevation in the lower part. And calculating the machining size of the wing plate bent frame 12 according to the height of the body type reserved template and the wood springboard of the wing plate of the on-site bridge deck, and welding the wing plate bent frame 12 by adopting a steel bar.

The foregoing detailed description and drawings are merely illustrative of the present invention as it pertains to the presently preferred embodiments. It will be apparent that various additions, modifications and substitutions are possible without departing from the spirit and scope of the invention as defined in the accompanying claims. It will be appreciated by those skilled in the art that the present invention may be modified in form, structure, arrangement, proportions, materials, elements, components and otherwise, used in the practice of the invention, depending upon the particular environment and operating requirements, without departing from the principles of the present invention. Accordingly, the disclosed embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims and their legal equivalents, and not limited to the foregoing description.

Claims (5)

1. A bridge deck bearing combined support is characterized by comprising upright rods (1), cross rods (2) and shear rods (4); the upright stanchion (1), the cross rod (2) and the shear rod (4) are sequentially connected end to form a triangular support, the upright stanchion (1) and the cross rod (2) form a right angle, a plug pin plate (3) is fixed at the connection part of the cross rod (2) and the shear rod (4), and a jack (6) is arranged in the middle of the plug pin plate (3); a bolt head (5) is fixed at the joint of the upright rod (1) and the shear rod (4);

four triangle-shaped supports pass through bolt head (5) and bolt board (3) and constitute the atress frame of square, promptly: the bolt plate (3) of a first triangular support is erected at the upper part of the upright stanchion (1) of a second triangular support, the bolt plate (3) of the second triangular support is erected at the upper part of the upright stanchion (1) of a third triangular support, the bolt plate (3) of the third triangular support is erected at the upper part of the upright stanchion (1) of a fourth triangular support, and the bolt plate (3) of the fourth triangular support is erected at the upper part of the upright stanchion (1) of the first triangular support; when the device is erected, the jack (6) in the bolt plate (3) is aligned with the upper hole of the corresponding upright stanchion (1);

the atress frame of the square that forms coincide from top to bottom, constitutes decking bearing sectional shelf-unit, promptly: the bolt head (5) of the stressed frame of the upper cube penetrates through the corresponding jack (6) and is inserted into the upper hole of the upright stanchion (1) of the stressed frame of the lower cube.

2. A deck slab load-bearing composite support according to claim 1, characterized in that said uprights (1), crossbars (2) and shear bars (4) are made of steel pipes.

3. A decking load-bearing sectional support according to claim 1, wherein the uprights (1) have a length less than the length of the cross-bar (2) or the uprights (1) have a length equal to the length of the cross-bar (2).

4. A load-bearing composite bridge deck according to claim 1, characterised in that one or more reinforcing bars (15) are fixed in said triangular frame.

5. A load-bearing composite bridge deck slab support according to claim 4, characterised in that said reinforcing bars (15) are fixed between the two corners of said triangular frame or between the two sides of said triangular frame.

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