CN220450688U - Bearing system for construction of bent cap steel bar method - Google Patents

Abstract

The utility model provides a bearing system for construction of a bent cap steel bar method, which is arranged on a pier and is used for bearing a load of the bent cap, and comprises a steel bar, a drop block and a supporting structure.

Description

Bearing system for construction of bent cap steel bar method

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a bearing system for bent cap steel bar construction.

Background

At present, the lower structure of the highway bridge mostly adopts the design form of pile foundation, bearing platform, pier column, tie beam and cover beam, and the cover beam and the tie beam bearing bracket mostly adopt the construction of a floor-type bracket, a hoop method, a steel bar method and a pre-embedding method, and the steel bar method is most used for the high pier large-size cover beam.

The steel bar method is characterized in that a pore channel is reserved according to a preset position in the pier column construction process, a steel bar is introduced into the pore channel before the capping beam is constructed, a support system is formed by arranging a drop block, a bearing cross beam, a distribution beam and a template system on the steel bar, the upper load in the capping beam construction process is transferred to the steel bar through the support system and then transferred to the pier column to bear force, the steel bar method is adopted for construction, a floor type bearing support is not required to be arranged, the site adaptability and the economy are good, and the problem that the settlement of the floor type support is difficult to control is solved due to the pier column participation in the stress.

In the traditional steel bar method construction, the steel bar top adopts U type bolt + I-steel or channel-section steel to set up and falls a supporting platform, and the adaptation and the fastening degree of U type bolt directly influence supporting platform's stability, and supporting platform easily takes place to overturn and then influences support body stability, and the bent cap construction safety receives the human factor to influence greatly.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a bearing system for construction of a bent cap steel bar method, and aims to solve the technical problems that in the prior art, a U-shaped bolt and I-steel or channel steel are adopted at the top of a steel bar to set a landing block supporting platform, the adaptation and fastening degree of the U-shaped bolt directly influence the stability of the supporting platform, the supporting platform is easy to overturn so as to influence the stability of a frame body, and the construction safety of the bent cap is greatly influenced by human factors.

In order to achieve the above object, the present utility model is achieved by the following technical scheme:

the utility model provides a bearing system for bent cap steel bar method construction, sets up on the pier, is used for bearing the load of bent cap, bearing system includes the steel bar, unloads piece and bearing structure, the steel bar perpendicular to the axis direction of pier, the steel bar with pier fixed connection just the steel bar is at least partly outstanding the pier, the steel bar is many, every set up at least one on the pier the steel bar, bearing structure includes the ligature subassembly, set firmly in reinforcing component in the ligature subassembly and set firmly in the supporting platform on the ligature subassembly, supporting platform hangs and locates on the steel bar, it sets firmly in to unload the piece on the supporting platform, it is with bent cap fixed connection to unload the piece.

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

through being provided with bearing structure between unloading piece and steel bar, and bearing structure is at least to the steel bar of two piers, set up supporting platform on bearing structure, press supporting platform on the steel bar, will unload the piece again and be connected rather than the bent cap on upper portion, the load of bent cap is transmitted in proper order for unloading piece, bearing structure and steel bar, because the effect of pressure, supporting platform can not produce horizontal displacement, again because bearing structure presses on two at least steel bars, when bearing structure's one of them supporting platform will overturn towards keeping away from another supporting platform because the shape of steel bar, bearing structure's weight can be for this supporting platform a force opposite with the upset direction, restriction this supporting platform upset, or bearing structure's one of them supporting platform will be towards another supporting platform when upset, another supporting platform lower part's steel bar will prevent whole bearing structure upset, this design structure has promoted the stability of support platform overturns around the steel bar, cause uncertain factor to construction safety.

Further, the supporting platform comprises a platform plate and two clamping plates fixedly connected to the bottom of the platform plate, the length of each clamping plate is larger than the diameter of the steel rod, the distance between the two clamping plates is consistent with the diameter of the steel rod, and the steel rod is clamped in an accommodating space formed by the two clamping plates.

Further, the connection assembly comprises two first cross beams and two second cross beams, wherein the two first cross beams are located at the same horizontal height, the supporting platform is fixedly arranged on the two first cross beams, the two second cross beams are located at the same horizontal height, and the second cross beams are located below the first cross beams.

Furthermore, the first cross beam and the second cross beam are made of angle steel, the internal corner portions of the angle steel are opposite to each other, and the reinforcing frameworks are fixedly arranged in the accommodating space formed by encircling the angle steel at equal intervals.

Further, the reinforcing component comprises a plurality of reinforcing frameworks which are fixedly arranged in the connecting component at intervals, and the reinforcing frameworks are made of angle steel.

Furthermore, the first cross beam and the second cross beam are formed by splicing a plurality of assembly sections, and the assembly sections are fixedly connected through joint plates.

Further, the assembly section comprises a standard section and an adjusting section, the standard section is arranged close to the steel bar, the supporting platform is located on the standard section, and the adjusting section is located at the midspan of the supporting structure.

Further, the standard section is far away from one end of the supporting platform, two ends of the adjusting section and the joint plate are all provided with bolt holes, and the standard section is connected with the adjusting section through the joint plate bolt.

Further, the reinforcement skeletons arranged at intervals divide the first cross beam and the second cross beam into a plurality of accommodating grids, and the vertical parts of the angle steel for manufacturing the first cross beam are partially broken at the accommodating grids provided with the steel bars.

Furthermore, the first cross beam and the second cross beam are made of angle steel with the length of 5cm, the width of the platform plate is 55cm, the thickness of the platform plate is 50cm, the thickness of the platform plate is 1cm, and the distance between every two adjacent reinforcing frameworks is 50cm.

Drawings

Fig. 1 is a schematic structural diagram of a bearing system for bent cap steel bar construction in an embodiment of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of connection structures of standard joints and adjustment joints according to an embodiment of the present utility model;

description of main reference numerals:

pier	10	Supporting structure	20
				Steel bar	30	Unloading block	40
Capping beam	50	Platform board	21
				First cross beam	22	Reinforced skeleton	23
Second cross beam	24	Clamping plate	25
				Standard knot	26	Adjusting joint	27
Joint plate	28	Bolt hole	29

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a bearing system for construction of a steel bar 30 of a capping beam 50 in an embodiment of the present utility model is shown, including a steel bar 30, a dropping block 40 and a supporting structure 20, where the steel bar 30 protrudes out of the pier 10 and is fixedly connected with the pier 10, the steel bar 30 is perpendicular to an axial direction of the pier 10, at least two steel bars 30 are provided on each pier 10, each supporting structure 20 includes a connecting component, a reinforcing skeleton 23 fixed in the connecting component at intervals, and a supporting platform fixed on the connecting component, the connecting component is suspended above the steel bar 30, the dropping block 40 is fixedly arranged on the supporting platform, and the dropping block 40 is fixedly connected with the capping beam 50 and is used for bearing a load of the capping beam 50.

In this embodiment, two bridge piers 10 are provided, each bridge pier 10 is provided with one steel bar 30, the steel bar 30 is located at the center line of the bridge pier 10, the linking assembly includes two first beams 22 and two second beams 24, the two first beams 22 are all located at the same horizontal height, the support platform is fixedly arranged on the two first beams 22, the two second beams 24 are all located at the same horizontal height, and the second beams 24 are located below the first beams 22.

Preferably, the first beam 22 and the second beam 24 are made of angle steel, the internal corner portions of the angle steel are opposite to each other, and the reinforcing frameworks 23 are fixed in the accommodating space surrounded by the angle steel at equal distances.

It can be understood that, by arranging the supporting structure 20 between the drop block 40 and the steel bars 30, and arranging the supporting platforms on the supporting structure 20 along the steel bars 30 of the two piers 10, pressing the supporting platforms on the steel bars 30, and then connecting the drop block 40 with the capping beams 50 on the upper parts thereof, the load of the capping beams 50 is sequentially transferred to the drop block 40, the supporting structure 20 and the steel bars 30, the supporting platforms do not generate horizontal displacement due to the pressure transferred by the capping beams 50, and because the shape of the outer cylindrical surface of the steel bars 30 is circular, the existing supporting platforms are easy to turn around the steel bars 30, so that the frame body is not stable, and the support is not beneficial to the safety of the structure, and when the supporting platforms on the left are not stable, the supporting structure 20 is turned left and right due to the fact that the supporting structure 20 on the right of the supporting platform is not stable left is limited to the left; because the right supporting platform in the supporting structure 20 is erected on the steel bar 30, and the connecting component is matched with the reinforcing framework 23, so that the rigidity of the supporting structure 20 is high, the whole supporting structure 20 is integrated, when the left supporting platform is about to be unstably turned right, the right supporting platform can be turned right, the right steel bar 30 can prevent the right supporting platform from being turned right, and further prevent the left supporting platform from being turned right, the connecting component is matched with the reinforcing framework 23, so that the rigidity of the supporting structure 20 is high, when the left supporting platform is turned right, the supporting structure 20 cannot deform in the midspan due to the fact that the rigidity of a part of the supporting structure 20 in the midspan is small, the stability of the supporting structure cannot be prevented from being turned, the design structure improves the stability of the frame body, and avoids uncertain factors caused by the construction safety because the supporting platform turns around the steel bar 30.

Preferably, the support platform comprises a platform plate 21 and two clamping plates 25 fixedly connected to the bottom of the platform plate 21, the length of each clamping plate 25 is larger than the diameter of each steel rod 30, the distance between the two clamping plates 25 is consistent with the diameter of each steel rod 30, each steel rod 30 is clamped in an accommodating space formed by the two clamping plates 25, the first cross beam 22 and the second cross beam 24 are divided into a plurality of accommodating grids by the reinforcing framework 23 arranged at intervals, and the vertical parts of angle steel manufactured into the first cross beam 22 are partially broken at the accommodating grids provided with the steel rods 30.

It will be appreciated that, to further limit the horizontal displacement and the rotational displacement of the support platform, two clamping plates 25 are welded below the platform plate 21, when the steel rod 30 is located in the clamping plates 25, the steel rod 30 is tightly attached to the opposite surfaces of the two clamping plates 25, and a part of angle steel is broken to make the steel rod 30 completely pass through the support structure 20, so that the contact area between the steel rod 30 and the support platform is increased, the force transmission efficiency is improved, and the stability of the support structure 20 is further improved.

Further, the first beam 22 and the second beam 24 are formed by splicing a plurality of assembly sections, the assembly sections are fixedly connected through joint plates 28, each assembly section comprises a standard section 26 and an adjusting section 27, the standard section 26 is close to the steel bar 30, the supporting platform is located on the standard section 26, the adjusting section 27 is located at the midspan position of the supporting structure 20, one end, far away from the supporting platform, of the standard section 26 is provided with bolt holes 29 at two ends of the adjusting section 27, and the joint plates 28 are respectively connected with the standard section 26 and the adjusting section 27 through the joint plates 28 through bolts.

It will be appreciated that, because the span between two piers 10 is longer, if it is an angle steel that is set to a full length that is difficult to manufacture, and the angle steel is too long to cause a greater bending moment in the span, the entire support structure 20 is formed by splicing a plurality of standard joints 26 and adjusting joints 27 of different segments, and then the standard joints 26 and the adjusting joints 27 are bolted together through the joint plates 28, so that different standard joints 26 or adjusting joints 27 can be selected according to different spans of piers 10.

Specifically, the preferred material selection of the support structure 20 is as follows:

the first cross beam 22 and the second cross beam 24 are made of 5cm angle steel, the length of the platform plate 21 is 55cm, the width of the platform plate is 50cm, the thickness of the platform plate is 1cm, the distance between every two adjacent reinforcing frameworks 23 is 50cm, and the reinforcing frameworks 23 are fixed with the connecting assembly in a welding mode;

the standard joint 26 is provided with 4m and 2m, the adjusting joint 27 is provided with 2.5m, 1.5m and 1m, the joints of the standard joint 26 and the adjusting joint 27 are drilled on the vertical face and the plane of angle steel, the aperture is 14mm, the interval is 7mm, and the joint butt joint and the joint plate 28 are connected; the joint plate 28 has a width of 4cm and is processed by adopting a 1cm thick steel plate, holes are drilled on the steel plate, the aperture is 14mm, and the interval is consistent with that of the joint.

The installation flow of the bearing system for construction of the capping beam 50 steel bar 30 method is as follows:

steel bar 30 installation: installing the steel bar 30 at the center line of the pier 10;

segment selection: calculating the types of required standard joints 26 or adjusting joints 27 according to the distance between the piers 10, wherein the selection principle is to ensure that the supporting platform is positioned above the steel bars 30, and calculating two platform steel plates corresponding to the central line of the steel bars 30 according to the positions of the steel bars 30 after bracket selection is completed and describing by stone pens for guiding the installation of the subsequent unloading blocks 40;

segment connection: after the segment selection is completed, the standard segment 26 and the adjusting segment 27 are butted on a flat field, and the segment is connected in place through the joint plate 28+M12 bolts;

connection inspection: after connection is completed, field management personnel test connection quality, and subsequent construction can be performed after the connection is completed;

hoisting in place: after the connection is qualified, the supporting structure 20 can be hoisted to a designated position by adopting an automobile for use;

and (5) mounting a blanking block 40: the dump block 40 is fixedly mounted to the support platform.

In summary, in the bearing system for construction of the bent cap steel bar method in the above embodiment of the present utility model, a supporting structure is disposed between the dropping block and the steel bar, and the supporting structure is at least longitudinally connected with the steel bars of two piers, and a supporting platform is disposed on the supporting structure, so that the supporting platform is pressed on the steel bar, and then the dropping block is connected with the bent cap on the upper portion of the supporting structure, the load of the bent cap is sequentially transferred to the dropping block, the supporting structure and the steel bar, and due to the effect of pressure, the supporting platform cannot generate horizontal displacement, and because the supporting structure is pressed on at least two steel bars, when one of the supporting platforms of the supporting structure is about to be turned over towards a direction away from the other supporting platform due to the shape of the steel bar, the weight of the supporting structure can give a force opposite to the turning direction to the supporting platform, so as to limit the turning over of the supporting platform, or when one of the supporting platform is about to be turned over towards the other supporting platform, the steel bar on the lower portion of the other supporting platform can prevent the whole supporting structure from turning over, the stability of the supporting structure, and the design structure is improved, and the factor of the frame body is avoided from being turned over around the steel bar, and the construction is uncertain.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. The utility model provides a bearing system for bent cap steel bar method construction, sets up on the pier, is used for bearing the load of bent cap, its characterized in that, bearing system includes the steel bar, unloads piece and bearing structure, the steel bar perpendicular to the axis direction of pier, the steel bar with pier fixed connection just the steel bar is at least partly outstanding the pier, the steel bar is many, every set up at least one on the pier the steel bar, bearing structure includes the linking subassembly, set firmly in reinforcing component in the linking subassembly and set firmly in the supporting platform on the linking subassembly, supporting platform hangs and locates on the steel bar, it sets firmly in on the supporting platform to unload the piece, it is with bent cap fixed connection to unload the piece.

2. The bearing system for construction of a bent cap steel bar method according to claim 1, wherein the supporting platform comprises a platform plate and two clamping plates fixedly connected to the bottom of the platform plate, the length of each clamping plate is larger than the diameter of the steel bar, the distance between the two clamping plates is consistent with the diameter of the steel bar, and the steel bar is clamped in an accommodating space formed by the two clamping plates.

3. The bearing system for construction of a bent cap steel bar method according to claim 2, wherein the connecting assembly comprises two first cross beams and two second cross beams, the two first cross beams are located at the same horizontal height, the supporting platform is fixedly arranged on the two first cross beams, the two second cross beams are located at the same horizontal height, and the second cross beams are located below the first cross beams.

4. The load-bearing system for bent cap steel bar construction according to claim 3, wherein the reinforcing component comprises a plurality of reinforcing frameworks which are fixedly arranged in the connecting component at intervals, the reinforcing frameworks are made of angle steel, the first cross beam and the second cross beam are made of angle steel, the female corner parts of the angle steel for making the first cross beam and the second cross beam are opposite to each other, and the reinforcing frameworks are fixedly arranged in a containing space formed by encircling the angle steel for making the first cross beam and the second cross beam at equal intervals.

5. The load bearing system for bent cap steel bar construction according to claim 4, wherein the first cross beam and the second cross beam are formed by splicing a plurality of assembly sections, and the assembly sections are fixedly connected through joint plates.

6. The load bearing system for bent cap steel bar construction of claim 5, wherein the assembly segments comprise standard segments and adjustment segments, the standard segments being disposed proximate the steel bar, the support platform being located on the standard segments, the adjustment segments being located at midspan of the support structure.

7. The bearing system for bent cap steel bar construction according to claim 6, wherein the standard joint is far away from one end of the supporting platform, two ends of the adjusting joint and the joint plate are respectively provided with bolt holes, and the standard joint and the adjusting joint are connected through the joint plate through bolts.

8. The load bearing system for bent cap steel bar construction according to claim 4, wherein the reinforcing frameworks arranged at intervals divide the first and second beams into a plurality of receiving cells, and vertical portions of angle steel forming the first beam are partially broken at the receiving cells where the steel bars are arranged.

9. The load bearing system for bent cap steel bar construction according to claim 4, wherein the first beam and the second beam are made of 5cm angle steel, the length of the platform plate is 55cm, the width of the platform plate is 50cm, the thickness of the platform plate is 1cm, and the distance between the adjacent reinforcing frameworks is 50cm.