Advanced reinforcement cage anti-floating device

Abstract

The utility model discloses a reinforcement cage anti-floating device arranged in advance. The reinforcement cage anti-floating device comprises a steel casing, a discharging assembly, a supporting ejector rod, a structural panel, a reinforcement sleeve and a reinforcement supporting piece. The steel casing is embedded in the top of a pile hole in a matched mode, one end of each supporting ejector rod is fixedly connected to the structural panel, and the other end of each supporting ejector rod is supported on the inner wall of the steel casing, so that the structural panel is installed above the steel casing. The discharging assembly is installed on the structural panel and extends downwards into the pile hole. The upper ends of the multiple steel bar supporting pieces are fixedly installed on the bottom face of the structural panel, and the lower ends of the multiple steel bar supporting pieces vertically extend into the pile holes correspondingly and are coaxially connected with the upper ends of vertical steel bars of the steel bar cage through steel bar sleeves. The utility model relates to the technical field of building construction, and can solve the problems that a reinforcement cage floats upwards and is inconvenient to clamp in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially relates to a steel reinforcement cage anti -floating device of advance arrangement. BACKGROUND

[0002] In the current bored pile construction process, the reinforcement cage floating is a common quality problem in construction site, and the floating amount is too large, which is easy to form a waste pile. Moreover, the reinforcement cage will rotate in the process of pouring slurry downward, causing the local torsion of the pile body, resulting in unqualified pile body in later stage detection, which will also form a waste pile.

[0003] Chinese utility model patent CN214832942U discloses a kind of bored pile reinforcement cage's anti-floating device, including rack, sliding seat on rack sliding, lifting assembly for driving sliding seat along the extension direction of rack in the vertical direction of rack, horizontal plate is arranged on sliding seat, slider is symmetrically arranged at both ends of horizontal plate, driving assembly is arranged at one end of horizontal plate for driving slider to slide away from each other or each other, clamping assembly is arranged on slider.The anti-floating device needs to be clamped on the reinforcement cage, but the reinforcement cage is located in the pile hole below ground, the installation of the device in the pile hole is difficult, and the actual operation is inconvenient.Therefore, it is necessary to provide a kind of reinforcement cage anti-floating device of advance arrangement, which can solve the problems of reinforcement cage floating and clamping reinforcement cage in the prior art. SUMMARY

[0004] The utility model aims at providing a kind of reinforcement cage anti-floating device of advance arrangement, which can solve the problems of reinforcement cage floating and clamping reinforcement cage in the prior art.

[0005] The utility model is realized as follows:

[0006] A kind of reinforcement cage anti-floating device of advance arrangement, including steel casing, blanking assembly, support top rod, structure panel, steel reinforcement sleeve and steel reinforcement support piece;Steel casing is matched and embedded in the top of pile hole, the one end of several support top rods is respectively fixedly connected on structure panel, the other end of several support top rods is respectively supported in the inner wall of steel casing, so that structure panel is installed above steel casing;Blanking assembly is installed on structure panel and extends downward to pile hole;The upper end of several steel reinforcement support pieces is fixedly installed on the bottom surface of structure panel, and the lower end of several steel reinforcement support pieces is respectively vertically extended into pile hole, and is coaxially connected with the vertical steel reinforcement upper end of reinforcement cage by steel reinforcement sleeve.

[0007] The described several support top rods are arranged along the circumferential edge of structure panel, and the diameter of structure panel is less than the diameter of steel casing, so that several support top rods are arranged obliquely downward.

[0008] The other end of the supporting top rod forms a supporting slope in a slope shape, and the supporting slope is matched and attached to the inner wall of the steel casing.

[0009] The discharging assembly comprises a discharging hopper and a discharging conduit; the center of the structural panel is formed with a discharging through hole; the discharging hopper is installed on the structural panel, and the discharging outlet of the discharging hopper is located in the discharging through hole; the upper end of the discharging conduit is coaxially connected with the discharging outlet of the discharging hopper in the discharging through hole, and the lower end of the discharging conduit extends to the pouring height in the pile hole.

[0010] The steel bar supporting member is composed of a plurality of supporting segments which are coaxially connected in sequence, so that the length of the steel bar supporting member is matched with the distance between the bottom surface of the structural panel and the upper end of the vertical steel bars of the steel bar cage.

[0011] One end of the supporting segment is formed with a connecting hole, and the other end of the supporting segment is formed with a connecting segment which is matched and installed in the connecting hole, so that the two adjacent supporting segments are coaxially connected.

[0012] The lower end of the supporting segment at the bottom of the steel bar supporting member is coaxially inserted into the upper end of the steel bar sleeve, and the lower end of the steel bar sleeve is coaxially sleeved on the upper end of the vertical steel bars of the steel bar cage.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、The utility model discloses a steel bar cage anti -floating device for the construction of the cast -in -place pile, which comprises a steel casing, a discharging assembly, a supporting top rod, a steel bar sleeve and a steel bar supporting member.

[0015] 2、The utility model discloses a steel bar cage anti -floating device for the construction of the cast -in -place pile, which comprises a steel casing, a discharging assembly, a supporting top rod, a steel bar sleeve and a steel bar supporting member. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the steel bar cage anti -floating device of the utility model that arranges in advance;

[0017] Figure 2 It is the three -dimensional view of the steel bar cage anti -floating device of the utility model that arranges in advance (the steel casing is not shown);

[0018] Figure 3Is the top view of the support top rod and the structure panel in the steel reinforcement cage anti-floating device arranged in advance by the utility model;

[0019] Figure 4 Is the perspective view of the support top rod, the structure panel, the steel reinforcement sleeve and the steel reinforcement support in the steel reinforcement cage anti-floating device arranged in advance by the utility model;

[0020] Figure 5 Is the connection schematic view of the support section in the steel reinforcement cage anti-floating device arranged in advance by the utility model.

[0021] In the drawing, 1 is a steel casing, 2 is a discharging hopper, 3 is a discharging guide pipe, 4 is a support top rod, 41 is a support inclined surface, 5 is a structure panel, 51 is a discharging through hole, 6 is a steel reinforcement sleeve, 7 is a steel reinforcement support, 71 is a connecting hole, and 72 is a connecting section. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and specific embodiments.

[0023] Please refer to the drawings Figure 1 and the drawings Figure 2 , a steel reinforcement cage anti-floating device arranged in advance, including steel casing 1, discharging assembly, support top rod 4, structure panel 5, steel reinforcement sleeve 6 and steel reinforcement support 7, steel casing 1 is matched and is embedded in the top of pile hole, and the one end of a plurality of support top rods 4 is fixedly connected on structure panel 5 respectively, and the other end of a plurality of support top rods 4 is supported on the inner wall of steel casing 1 respectively, so that structure panel 5 is installed above steel casing 1, discharging assembly is installed on structure panel 5 and extends to the pile hole downwards, and the upper end of a plurality of steel reinforcement supports 7 is fixedly installed on the bottom surface of structure panel 5, and the lower end of a plurality of steel reinforcement supports 7 extends to the pile hole vertically respectively, and is connected coaxially with the vertical steel reinforcement upper end of steel reinforcement cage through steel reinforcement sleeve 6.

[0024] After the pile hole is formed and the steel reinforcement cage is lowered, the whole device is arranged in advance at the pile hole in the concrete grouting process. Steel casing 1 is made according to the hole diameter of the pile hole, and steel casing 1 is fixedly embedded into the top of the pile hole, which is used to provide a support fixing point for support top rod 4. Structure panel 5 is used to install discharging assembly, and concrete slurry is poured into the discharging assembly, so that the discharging assembly is convenient for grouting operation on the pile hole.

[0025] Steel reinforcement sleeve 6 is used to be connected between steel reinforcement support 7 and the vertical steel reinforcement upper end of steel reinforcement cage, so that the force received by steel reinforcement cage is transmitted upwards to structure panel 5, the gravity of concrete slurry in the discharging assembly is balanced with the buoyancy received by steel reinforcement cage, so as to keep the stability of steel reinforcement cage, and the anti-floating effect is achieved. At the same time, the friction force is formed between the support of support top rod 4 and the inner wall of steel casing 1, which avoids the rotation of structure panel 5 relative to steel casing 1, so as to play a role in preventing the torsion of steel reinforcement cage, and the forming quality of the pile body is ensured.

[0026] Please refer to the accompanying drawings Figure 3 , the support top rod 4 is arranged along the circumferential edge of the structure panel 5, and the diameter of the structure panel 5 is smaller than the diameter of the steel casing 1, so that the support top rod 4 is arranged obliquely downward.

[0027] Preferably, the support top rod 4 can be made of square steel with a size of 20*20mm, and four rods are arranged at equal intervals. The structure panel 5 can be made of a circular steel plate with a diameter of 800mm and a thickness of 5mm. The support top rod 4 is welded and fixed with the structure panel 5, so that the structural strength is high and deformation and damage are not easy to occur.

[0028] Please refer to the accompanying drawings Figure 4 , the other end of the support top rod 4 forms a support slope 41 in a slope shape, so that the support slope 41 is matched and attached to the inner wall of the steel casing 1.

[0029] Preferably, the setting angle of the support top rod 4 is 45°, and the slope angle of the support slope 41 is 45°, so that the support top rod 4 can reliably abut against the inner wall of the cylindrical steel casing 1 through the support slope 41. The contact area of the support slope 41 with the steel casing 1 is large, which is beneficial to ensure the setting stability of the whole device, so that the steel reinforcement cage can be limited, and the steel reinforcement cage is prevented from floating upward and rotating.

[0030] Please refer to the accompanying drawings Figure 1 and Figure 2 , the discharging assembly comprises a discharging hopper 2 and a discharging pipe 3; a discharging through hole 51 is formed in the center of the structure panel 5, the discharging hopper 2 is installed on the structure panel 5, and the discharge port of the discharging hopper 2 is located in the discharging through hole 51; the upper end of the discharging pipe 3 is coaxially connected with the discharge port of the discharging hopper 2 in the discharging through hole 51, and the lower end of the discharging pipe 3 extends to the pouring height in the pile hole.

[0031] The size specifications of the discharging hopper 2 and the discharging pipe 3 can be adaptively selected according to the grouting requirement, so as to facilitate the grouting operation of the pile body.

[0032] Preferably, the hole diameter of the discharging through hole 51, the outer diameter of the discharging pipe 3 and the diameter of the discharge port of the discharging hopper 2 are consistent, the discharging through hole 51 can be 300mm, so that the discharging hopper 2 is clamped on the structure panel 5, and the discharging pipe 3 is inserted into the pile hole.

[0033] Please refer to the accompanying drawings Figure 5 , the steel reinforcement support 7 is composed of a plurality of support segments which are coaxially connected in sequence, so that the length of the steel reinforcement support 7 matches the distance between the bottom surface of the structure panel 5 and the upper end of the vertical steel reinforcement of the steel reinforcement cage.

[0034] Preferably, the support section can be made of round steel pipe, and the length of the support section can be standardized according to actual use requirements, so that the length can be flexibly spliced and adjusted according to the actual requirements of the construction site, and the different spacings of the bottom surface of the structural panel 5 and the upper end of the vertical reinforcement of the reinforcement cage can be adapted.

[0035] Please refer to the accompanying drawings Figure 5 One end of the support section is formed with a connecting hole 71, and the other end of the support section is formed with a connecting section 72, which is matched and installed in the connecting hole 71, so that the adjacent two support sections are coaxially connected.

[0036] Preferably, the connecting hole 71 can be an internal thread hole, and the connecting section 72 can be a threaded section matched with the internal thread hole, so that the coaxial connection of the support sections is realized by threaded rotation, the connection reliability is high, and the support sections are not easy to loosen or deform and damage, and the support sections are convenient to disassemble and assemble, and can be flexibly spliced and adjusted in length.

[0037] Please refer to the accompanying drawings Figure 5 The lower end of the support section at the bottom of the reinforcement support 7 is coaxially inserted into the upper end of the reinforcement sleeve 6, and the lower end of the reinforcement sleeve 6 is coaxially sleeved on the upper end of the vertical reinforcement of the reinforcement cage.

[0038] Preferably, the size of the reinforcement sleeve 6 can be adaptively selected according to the size of the vertical reinforcement of the reinforcement cage, for example, a sleeve with a diameter of 30 mm, which is convenient to match and sleeve on the vertical reinforcement of the reinforcement cage. The reinforcement sleeve 6 can be welded on the lower end of the support section at the bottom of the reinforcement support 7, so as to ensure stable connection and reliable force transmission.

[0039] Please refer to the accompanying drawings Figure 1 to Figure 5 The advanced arrangement method and working principle of the utility model are as follows:

[0040] The reinforcement cage is lowered into the pile hole, and before the concrete of the pile hole is poured, the steel casing 1 is embedded into the top of the pile hole, and the lower part of the steel casing 1 is below the ground and the upper part is above the ground.

[0041] One end of the four support jacks 4 is welded at the edge of the structural panel 5 at equal intervals, the four support jacks 4 extend obliquely downward, and the other end of the four support jacks 4 is cut to form a support inclined surface 41 matched with the inner wall of the steel casing 1.

[0042] According to the height of the structural panel 5 and the height of the upper end of the vertical reinforcement of the reinforcement cage, a corresponding number and length of support sections are used, which are coaxially connected through the connecting section 72 via the connecting hole 71, to form a reinforcement support 7 with a corresponding length, and a reinforcement sleeve 6 is welded at the bottom of the last support section of the reinforcement support 7. The upper end of the four reinforcement supports 7 with the reinforcement sleeve 6 at the bottom is welded to the bottom surface of the structural panel 5 at equal intervals.

[0043] The blanking funnel 2 and the blanking guide pipe 3 are connected and then are inserted and installed on the structural panel 5 through the blanking through hole 51, and the funnel-shaped structure of the blanking funnel 2 is used to clamp the blanking funnel 2 on the structural panel 5.

[0044] The structural panel 5 with the blanking funnel 2, the blanking guide pipe 3, the support top rod 4, the steel bar sleeve 6 and the steel bar support 7 is installed above the pile hole, the blanking guide pipe 3 and the steel bar support 7 are inserted into the pile hole, the steel bar sleeve 6 is sleeved on the upper end of the vertical steel bar of the steel reinforcement cage, and the support inclined surface 41 of the support top rod 4 is supported on the inner wall of the steel casing 1. The abutment of the steel bar support 7 against the vertical steel bar of the steel reinforcement cage and the support of the support top rod 4 on the inner wall of the steel casing 1 ensure the setting stability of the whole device.

[0045] The concrete slurry is poured into the blanking funnel 2 and falls into the pile hole through the blanking guide pipe 3 to carry out the grouting of the pile body, in the process of grouting, the whole device is fixed on the steel casing 1 by the gravity of the grouting material in the blanking funnel 2 during grouting, and the steel reinforcement cage is limited by the four steel bar sleeves 6 at the bottom of the steel bar supports 7, so that the steel reinforcement cage cannot float up and rotate in the process of grouting, the anti-floating effect is realized, and the structure is simple and practical.

[0046] The above is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model, therefore, any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pre-arranged steel cage anti-buoyancy device, characterized in that: The system includes a steel casing (1), a feeding assembly, support rods (4), a structural panel (5), a rebar sleeve (6), and rebar supports (7). The steel casing (1) is fitted into the top of the pile hole. One end of several support rods (4) is fixedly connected to the structural panel (5), and the other end of several support rods (4) is supported on the inner wall of the steel casing (1), so that the structural panel (5) is installed above the steel casing (1). The feeding assembly is installed on the structural panel (5) and extends downward into the pile hole. The upper end of several rebar supports (7) is fixedly installed on the bottom surface of the structural panel (5), and the lower end of several rebar supports (7) extends vertically into the pile hole and is coaxially connected to the upper end of the vertical rebar of the rebar cage through the rebar sleeve (6).

2. The advanced-arranged steel cage anti-buoyancy device according to claim 1, characterized in that: The aforementioned support rods (4) are arranged along the circumferential edge of the structural panel (5), and the diameter of the structural panel (5) is smaller than the diameter of the steel casing (1), so that the support rods (4) are arranged obliquely downward.

3. The advanced-arranged steel cage anti-buoyancy device according to claim 2, characterized in that: The other end of the support rod (4) forms a sloping support surface (41), so that the support surface (41) fits into the inner wall of the steel casing (1).

4. The advanced-arranged steel cage anti-buoyancy device according to claim 1, characterized in that: The feeding assembly includes a feeding funnel (2) and a feeding guide (3); a feeding through hole (51) is formed in the center of the structural panel (5), the feeding funnel (2) is installed on the structural panel (5), and the outlet of the feeding funnel (2) is located in the feeding through hole (51); the upper end of the feeding guide (3) is coaxially connected to the outlet of the feeding funnel (2) in the feeding through hole (51), and the lower end of the feeding guide (3) extends to the pouring height in the pile hole.

5. The advanced-arranged steel cage anti-buoyancy device according to claim 1, characterized in that: The steel reinforcement support (7) is composed of several support segments that are coaxially spliced ​​together in sequence, so that the length of the steel reinforcement support (7) matches the spacing between the bottom surface of the structural panel (5) and the upper end of the vertical steel reinforcement of the steel cage.

6. The advanced-arranged steel cage anti-buoyancy device according to claim 5, characterized in that: One end of the support segment has a connecting hole (71), and the other end of the support segment has a connecting segment (72). The connecting segment (72) is fitted into the connecting hole (71) so that the two adjacent support segments are coaxially connected.

7. The advanced-arranged steel cage anti-buoyancy device according to claim 5 or 6, characterized in that: The lower end of the support section located at the bottom of the steel bar support (7) is coaxially inserted into the upper end of the steel bar sleeve (6), and the lower end of the steel bar sleeve (6) is coaxially sleeved on the upper end of the vertical steel bar of the steel cage.

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