A frame beam different-grade concrete pouring device and use method thereof

Abstract

The invention relates to a frame beam different-grade concrete pouring device, comprising a beam template, a steel bar skeleton, an adjustable grille and two sealing slots, wherein the steel bar skeleton is fixed in the beam template, and a gap is provided on both sides of the beam template and the steel bar skeleton; the width of the adjustable grille is adjustable, and the four sides of the adjustable grille are in contact with the steel bar skeleton and are obliquely fixed in the steel bar skeleton; two sealing slots are arranged in the gaps on both sides of the beam template and the steel bar skeleton along the adjustable grille, and the width of the adjustable grille can be freely adjusted, and can be used for steel bar skeletons of different sizes or with size errors; the adjustable grille isolates column beam concrete and beam concrete, and the back side of the slot rod is in contact with the beam template, and the air bag expands and squeezes the steel bar skeleton after being inflated by an air nozzle, thereby sealing the gaps on both sides of the beam template and the steel bar skeleton, achieving an effective isolation effect, and the interface between the column beam concrete and the beam concrete is regular after pouring is completed.

Description

Technical Field

[0001] The invention belongs to the technical field of construction engineering, and particularly relates to a frame beam different-grade concrete pouring device and a use method thereof. Background Art

[0002] In the field of construction engineering, the strength grade of the column-beam concrete of large frame structure beams is higher than that of the main beam concrete. After the concrete is poured, the concretes of different strength grades form interfaces with each other. At present, wire mesh is mostly used for isolation in construction. The wire mesh has low strength and is easy to deform. In addition, there are errors in the internal dimensions of the steel skeleton, and the size of the wire mesh cannot be determined. As a result, the interface after concrete pouring is irregular and difficult to meet the design requirements, affecting the load-bearing performance of the frame structure. Summary of the invention

[0003] The main purpose of the present invention is to propose a frame beam different-grade concrete pouring device and a use method thereof, which can effectively solve the problems in the background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] A device for pouring concrete of different grades for frame beams, comprising

[0006] Beam formwork,

[0007] A steel bar skeleton is fixedly installed in the beam template, and there is a gap between the beam template and the two sides of the steel bar skeleton;

[0008] The adjustable grille has an adjustable width. The four sides of the adjustable grille are in contact with the steel frame and are fixedly installed in the steel frame. The adjustable grille includes

[0009] A middle grille, the middle grille comprising a first upper frame, a first lower frame, a left frame and a right frame, the first upper frame and the first lower frame are both provided with a U-shaped slot, the openings of the two U-shaped slots are arranged opposite to each other, the cross-sections of the first upper frame and the first lower frame are U-shaped structures, the left frame and the right frame are fixedly connected to one side of the first upper frame and the first lower frame to form a first rectangular frame, and a dense wire mesh is fixedly installed in the first rectangular frame;

[0010] Two side grilles, the side grilles comprising a second upper frame, a second lower frame and a side frame, the side frame being fixedly connected with the second upper frame and the second lower frame to form a second rectangular frame, a dense wire mesh being fixedly installed in the second rectangular frame; an end of the second upper frame away from the side frame is movably inserted into a U-shaped slot of the first upper frame, and an end of the second lower frame away from the side frame is movably inserted into the U-shaped slot of the first lower frame;

[0011] Two sealing slots are arranged along the adjustable grid in the gaps on both sides of the beam template and the steel frame, and the sealing slots include

[0012] The slot rod is a U-shaped structure, and the back side of the slot rod abuts against the beam template;

[0013] An air nozzle is arranged on the upper part of the slot rod;

[0014] The airbag is a cylindrical structure, fixedly mounted on the inner side of the slot rod and connected to the air nozzle. After being inflated through the air nozzle, the airbag expands and squeezes the steel frame.

[0015] Preferably, the beam template includes a beam bottom template and two beam side templates, and the two beam side templates are fixedly installed on both sides of the beam bottom template.

[0016] Preferably, the bottom of the slot rod is at a 45° bevel angle, and the bottom surface of the beam template is provided with headless steel nails, and the bevel angle of the slot rod abuts against the headless steel nails.

[0017] Preferably, a round steel handle is fixedly mounted on the top of the slot rod.

[0018] Preferably, the left frame and the right frame are made of round steel, and the sides of the first upper frame, the first lower frame and the inner sides of the left frame and the right frame are welded with flat steel strips, and a plurality of small holes are provided on the flat steel strips, and the dense wire mesh is fixedly installed in the first rectangular frame by using iron wire to pass through the small holes.

[0019] Preferably, the second upper frame, the second lower frame and the side frame are all made of round steel, and the inner sides of the second upper frame, the second lower frame and the side frame are welded with flat steel strips, and a plurality of small holes are provided on the flat steel strips, and the dense wire mesh is fixedly installed in the second rectangular frame by using iron wire through the small holes.

[0020] A method for using a frame beam different-grade concrete pouring device comprises the following steps:

[0021] S1: Install the bottom formwork of the beam first;

[0022] S2: Fix the steel bar skeleton on the bottom formwork of the beam;

[0023] S3: Assemble the middle grille and two side grilles into an adjustable grille, and the width of the adjustable grille can be adjusted;

[0024] S4: Place the adjustable grille obliquely into the steel frame;

[0025] S5: adjusting the adjustable grille so that the four sides of the adjustable grille abut against the steel frame and are fixedly connected to the steel frame;

[0026] S6: Install two more beam side formworks;

[0027] S6: insert two sealing slots along the adjustable grid into the gaps on both sides of the beam formwork and the steel frame;

[0028] S7: The back of the slot rod is brought into contact with the side template of the beam, and the airbag is inflated through the air nozzle to expand and squeeze the steel bar skeleton;

[0029] S8: Layered pouring and vibrating of column and beam concrete;

[0030] S9: pouring and vibrating the beam concrete in layers;

[0031] S10: The air nozzle is opened and deflated, and the airbag shrinks;

[0032] S11: Pull out the sealing slot;

[0033] S12: vibrate the concrete on both sides of the adjustable grid respectively;

[0034] S13: The top surface of the beam concrete is flattened and smoothed;

[0035] S14: Casting is completed.

[0036] Preferably, in step S5, the following steps are specifically included:

[0037] S51: Adjust the width of the adjustable grille to the left and right, so that the side of the adjustable grille abuts against the inner side of the steel frame;

[0038] S52: Tie the bottom of the adjustable grille to the inner bottom of the steel frame by wire;

[0039] S53: Rotate the adjustable grille upward, and tie the top of the adjustable grille to the inner top of the steel frame with wire;

[0040] S54: Binding the side of the adjustable grille to the inner side of the steel frame;

[0041] S55: Use iron wire to diagonally pull the middle part of the adjustable grille and the bottom of the steel frame.

[0042] The present invention provides a frame beam different-grade concrete pouring device and a use method thereof, which has the following beneficial effects:

[0043] The width of the adjustable grille can be freely adjusted, so that the adjustable grille can be easily placed in the steel frame in a retracted state, and after being placed in the steel frame, it can be opened so that the side of the adjustable grille abuts against the inner side of the steel frame. It can be used for steel frames of different sizes or with size errors. By rotating the adjustable grille, the bottom and top of the adjustable grille can be abutted against the inner bottom and inner top of the steel frame respectively. The adjustable grille isolates the column-beam concrete and the beam concrete, and the first rectangular frame and the second rectangular frame themselves have a certain strength, the dense mesh wire mesh is not easy to deform, the back of the slot rod abuts against the beam template, and the air bag expands and squeezes the steel frame after being inflated by the air nozzle, thereby sealing the gap on both sides of the beam template and the steel frame to achieve an effective isolation effect. After pouring, the interface between the column-beam concrete and the beam concrete is regular and meets the design requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0045] Figure 2 It is a schematic diagram of the structure of column-beam concrete and beam concrete of the present invention;

[0046] Figure 3 It is a schematic structural diagram of the middle grille of the present invention;

[0047] Figure 4 It is a schematic structural diagram of the side grille of the present invention;

[0048] Figure 5 It is a schematic structural diagram of the adjustable grille of the present invention;

[0049] Figure 6 The front view and the side view of the sealing slot of the present invention are shown;

[0050] Figure 7 A top view of the sealing slot of the present invention;

[0051] Figure 8 This is a schematic diagram of the structure of the present invention before being inserted into the sealing slot;

[0052] Fig. 9 For the present invention Figure 8 Side view of

[0053] Fig.10 It is a diagram of the pouring process of column-beam concrete and beam concrete of the present invention.

[0054] In the figure:

[0055] 1. Beam formwork; 11. Beam bottom formwork; 12. Beam side formwork;

[0056] 2. Steel skeleton;

[0057] 3. Adjustable grille;

[0058] 31, middle grille; 311, first upper frame; 312, first lower frame; 313, left frame; 314, right frame;

[0059] 32. side grille; 321. second upper frame; 322. second lower frame; 323. side frame;

[0060] 4. Sealing slot; 41. Slot rod; 42. Air nozzle; 43. Air bag; 44. Round steel handle;

[0061] 100, column and beam concrete; 200, beam concrete. DETAILED DESCRIPTION

[0062] In order to make the purpose, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0063] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0064] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0065] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] Examples, such as Figure 1-10As shown, a frame beam different-grade concrete pouring device includes a beam template 1, a steel frame 2, an adjustable grille 3 and two sealed slots 4, the steel frame 2 is fixedly installed in the beam template 1, and there is a gap between the beam template 1 and the two sides of the steel frame 2; the width of the adjustable grille 3 is adjustable, and the four sides of the adjustable grille 3 are in contact with the steel frame 2 and are tilted and fixedly installed in the steel frame 2, the adjustable grille 3 includes a middle grille 31 and two side grilles 32, the middle grille 31 includes a first upper frame 311, a first lower frame 312, a left frame 313 and a right frame 314, the first upper frame 311 and the first lower frame 312 are both provided with U-shaped slots, and the openings of the two U-shaped slots The first upper frame 311 and the first lower frame 312 are arranged relatively to each other, and the cross-section of the first upper frame 311 and the first lower frame 312 is a U-shaped structure, and the left frame 313 and the right frame 314 are fixedly connected to one side of the first upper frame 311 and the first lower frame 312 to form a first rectangular frame, and a dense wire mesh is fixedly installed in the first rectangular frame; the side grille 32 includes a second upper frame 321, a second lower frame 322 and a side frame 323, and the side frame 323 is fixedly connected to the second upper frame 321 and the second lower frame 322 to form a second rectangular frame, and a dense wire mesh is fixedly installed in the second rectangular frame; the end of the second upper frame 321 away from the side frame 323 is movably inserted into the U-shaped slot of the first upper frame 311, The end of the second lower frame 322 away from the side frame 323 is movably inserted into the U-shaped slot of the first lower frame 312, so that the second rectangular frame can move in and out freely in the two U-shaped slots, and the width of the adjustable grille 3 can be freely adjusted, so that the adjustable grille 3 can be easily placed in the steel frame 2 in a retracted state, and after being placed in the steel frame 2, it can be opened so that the side of the adjustable grille 3 abuts against the inner side of the steel frame 2, and can be used for steel frames 2 of different sizes or with size errors. By rotating the adjustable grille 3, the bottom and top of the adjustable grille 3 can be respectively abutted against the inner bottom and inner top of the steel frame 2, and the adjustable grille 3 isolates the column beam concrete 100 and the beam concrete 200, and the first rectangular The frame and the second rectangular frame themselves have a certain strength, and the dense wire mesh is not easy to deform; two sealing slots 4 are arranged along the adjustable grille 3 in the gaps on both sides of the beam template 1 and the steel frame 2, and the sealing slots 4 include a slot rod 41, an air nozzle 42 and an air bag 43. The slot rod 41 is a U-shaped structure, and the back of the slot rod 41 is in contact with the beam template 1; the air nozzle 42 is arranged on the upper part of the slot rod 41; the air bag 43 is a cylindrical structure, fixedly mounted on the inner side of the slot rod 41, and connected to the air nozzle 42. After being inflated by the air nozzle 42, the air bag 43 expands and squeezes the steel frame 2, thereby sealing the gaps on both sides of the beam template 1 and the steel frame 2, thereby achieving an effective isolation effect.

[0067] In a specific embodiment, the beam formwork 1 includes a beam bottom formwork 11 and two beam side formworks 12 , and the two beam side formworks 12 are fixedly installed on both sides of the beam bottom formwork 11 .

[0068] In a specific embodiment, the bottom of the slot rod 41 is an angle of 45°, and a headless steel nail is provided on the bottom surface of the beam template 1. The angle of the slot rod 41 resists the headless steel nail to prevent the slot rod 41 from sliding. The headless steel nail is fixed by driving it into the beam bottom template 11. After driving it in, the head of the steel nail is cut off. After the construction of the beam is completed, the headless steel nail will fall off naturally after the beam bottom template 11 is removed.

[0069] In a specific embodiment, a round steel handle 44 is fixedly installed on the top of the slot rod 41 to facilitate the insertion and removal of the sealing slot 4.

[0070] In a specific embodiment, the left frame 313 and the right frame 314 are round steel, and the sides of the first upper frame 311 and the first lower frame 312 and the inner sides of the left frame 313 and the right frame 314 are welded with flat steel strips, and a plurality of small holes are provided on the flat steel strips. The dense wire mesh is fixedly installed in the first rectangular frame by using iron wire through the small holes.

[0071] In a specific embodiment, the second upper frame 321, the second lower frame 322 and the side frame 323 are all made of round steel, and the inner sides of the second upper frame 321, the second lower frame 322 and the side frame 323 are welded with flat steel strips, and a plurality of small holes are provided on the flat steel strips. The dense wire mesh is fixedly installed in the second rectangular frame by using iron wire through the small holes.

[0072] The present invention provides a method for using a frame beam different-grade concrete pouring device, comprising the following steps:

[0073] S1: First install the bottom template 11 of the beam;

[0074] S2: The steel bar engineering is installed to form a steel bar skeleton 2, and the steel bar skeleton 2 is fixedly installed on the bottom surface template 11 of the beam;

[0075] S3: Assemble the middle grille 31 and the two side grilles 32 into an adjustable grille 3, the width of the adjustable grille 3 is adjustable;

[0076] S4: The adjustable grille 3 is placed inside the steel frame 2 in a retracted state;

[0077] S5: Adjust the adjustable grille 3 so that the four sides of the adjustable grille 3 abut against the steel frame 2 and are fixedly connected to the steel frame 2. In this step, first adjust the width of the adjustable grille 3 left and right so that the side of the adjustable grille 3 abuts against the inner side of the steel frame 2; then tie the bottom of the adjustable grille 3 to the inner bottom of the steel frame 2 with the iron wire; then rotate the adjustable grille 3 upward, tie the top of the adjustable grille 3 to the inner top of the steel frame 2 with the iron wire; then tie the side of the adjustable grille 3 to the inner side of the steel frame 2; then use the iron wire to diagonally pull the middle of the adjustable grille 3 and the bottom of the steel frame 2, so that the adjustable grille 3 is firmly installed inside the steel frame 2;

[0078] S6: Install two beam side templates 12;

[0079] S6: insert the two sealing slots 4 along the adjustable grille 3 into the gaps on both sides of the beam template 1 and the steel skeleton 2, drive headless steel nails into the bottom template 11 of the beam, and make the bevel of the slot rod 41 against the headless steel nails;

[0080] S7: The back side of the slot rod 41 is brought into contact with the side template 12 of the beam, and the airbag 43 is inflated by the air nozzle 42 to expand and squeeze the steel frame 2;

[0081] S8: pouring and vibrating the column and beam concrete 100 in layers. During the pouring process, the concrete should be poured step by step in layers. The concrete pouring part should be far away from the adjustable grid 3 so that the concrete gradually flows to the adjustable grid 3 to ensure that the dividing surface is stable. When vibrating the concrete, the concrete at the adjustable grid 3 should not be vibrated.

[0082] S9: Pour and vibrate the beam concrete 200 in layers. Pour the concrete in layers step by step during the pouring process. When vibrating the concrete, do not vibrate the concrete at the 3 parts of the adjustable grille.

[0083] S10: the air nozzle 42 is opened and deflated, and the airbag 43 is contracted;

[0084] S11: Pull out the sealing slot 4;

[0085] S12: respectively vibrating the concrete on both sides of the adjustable grille 3, using a concrete insert vibrator to be obliquely inserted into both sides of the adjustable grille 3, respectively vibrating the column beam concrete 100 and the beam concrete 200, to ensure that the concrete is poured densely and the column beam concrete 100 and the beam concrete 200 are combined into one;

[0086] S13: The top surface of the beam concrete 200 is flattened and smoothed;

[0087] S14: Casting is completed, and the interface between column-beam concrete 100 and beam concrete 200 is regular and meets the design requirements.

[0088] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for pouring concrete of different grades for frame beams, characterized in that: include Beam formwork, A steel bar skeleton is fixedly installed in the beam template, and there is a gap between the beam template and the two sides of the steel bar skeleton; The adjustable grille has an adjustable width. The four sides of the adjustable grille are in contact with the steel frame and are fixedly installed in the steel frame. The adjustable grille includes A middle grille, the middle grille comprising a first upper frame, a first lower frame, a left frame and a right frame, the first upper frame and the first lower frame are both provided with a U-shaped slot, the openings of the two U-shaped slots are arranged opposite to each other, the cross-sections of the first upper frame and the first lower frame are U-shaped structures, the left frame and the right frame are fixedly connected to one side of the first upper frame and the first lower frame to form a first rectangular frame, and a dense wire mesh is fixedly installed in the first rectangular frame; Two side grilles, the side grilles comprising a second upper frame, a second lower frame and a side frame, the side frame being fixedly connected with the second upper frame and the second lower frame to form a second rectangular frame, a dense wire mesh being fixedly installed in the second rectangular frame; an end of the second upper frame away from the side frame is movably inserted into a U-shaped slot of the first upper frame, and an end of the second lower frame away from the side frame is movably inserted into the U-shaped slot of the first lower frame; Two sealing slots are arranged along the adjustable grid in the gaps on both sides of the beam template and the steel frame, and the sealing slots include The slot rod is a U-shaped structure, and the back side of the slot rod abuts against the beam template; An air nozzle is arranged on the upper part of the slot rod; The airbag is a cylindrical structure, fixedly mounted on the inner side of the slot rod and connected to the air nozzle. After being inflated through the air nozzle, the airbag expands and squeezes the steel frame.

2. A frame beam different-grade concrete pouring device according to claim 1, characterized in that: The beam template comprises a beam bottom template and two beam side templates, and the two beam side templates are fixedly installed on both sides of the beam bottom template.

3. The device for pouring concrete of different grades for frame beams according to claim 1, characterized in that: The bottom of the slot rod is at an angle of 45°, and the bottom surface of the beam template is provided with headless steel nails, and the oblique angle of the slot rod abuts against the headless steel nails.

4. The device for pouring concrete of different grades for frame beams according to claim 1, characterized in that: A round steel handle is fixedly mounted on the top of the slot rod.

5. The device for pouring concrete of different grades for frame beams according to claim 1, characterized in that: The left frame and the right frame are made of round steel, and the sides of the first upper frame, the first lower frame, and the inner sides of the left frame and the right frame are welded with flat steel strips, and a plurality of small holes are provided on the flat steel strips. The dense wire mesh is fixedly installed in the first rectangular frame by passing iron wire through the small holes.

6. The device for pouring concrete of different grades for frame beams according to claim 1, characterized in that: The second upper frame, the second lower frame and the side frame are all made of round steel. Flat steel strips are welded to the inner sides of the second upper frame, the second lower frame and the side frame. A number of small holes are provided on the flat steel strips. The dense wire mesh is fixedly installed in the second rectangular frame by passing iron wire through the small holes.

7. A method for using a frame beam different-grade concrete pouring device according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1: Install the bottom template of the beam first; S2: Fix the steel bar skeleton on the bottom formwork of the beam; S3: Assemble the middle grille and two side grilles into an adjustable grille, and the width of the adjustable grille can be adjusted; S4: Place the adjustable grille obliquely into the steel frame; S5: adjusting the adjustable grille so that the four sides of the adjustable grille abut against the steel frame and are fixedly connected to the steel frame; S6: Install two more beam side formworks; S6: insert two sealing slots along the adjustable grid into the gaps on both sides of the beam formwork and the steel frame; S7: The back of the slot rod is brought into contact with the side template of the beam, and the airbag is inflated through the air nozzle to expand and squeeze the steel bar skeleton; S8: Layered pouring and vibrating of column and beam concrete; S9: pouring and vibrating the beam concrete in layers; S10: The air nozzle is opened and deflated, and the airbag shrinks; S11: Pull out the sealing slot; S12: vibrate the concrete on both sides of the adjustable grid respectively; S13: The top surface of the beam concrete is flattened and smoothed; S14: Casting is completed.

8. The method for using the frame beam different-grade concrete pouring device according to claim 7, characterized in that: In step S5, the following steps are specifically included: S51: adjusting the width of the adjustable grille to the left and right so that the side of the adjustable grille abuts against the inner side of the steel frame; S52: Tie the bottom of the adjustable grille to the inner bottom of the steel frame by wire; S53: Rotate the adjustable grille upward, and tie the top of the adjustable grille to the inner top of the steel frame with wire; S54: Binding the side of the adjustable grille to the inner side of the steel frame; S55: Use iron wire to diagonally pull the middle part of the adjustable grille and the bottom of the steel frame.

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