CN211113221U - Bent cap steel reinforcement framework shaping and binding rack - Google Patents

Abstract

The utility model discloses a bent cap steel reinforcement framework shaping and binding rack, which comprises a main support, an operation auxiliary platform support, an end cross rod, an end vertical rod, a bottom clamping groove, a side movable buckle and a top movable buckle, wherein the main support comprises a main cross beam, a main support leg, a side beam and a side vertical rod, the main support leg is positioned below the main cross beam, and the side vertical rod is positioned above the main support leg on one side; a plurality of notches are formed in the bottom clamping groove, the interval between the notches is equal to the interval between the framework pieces and the steel bars, and the notches are positioned at the upper part of the main cross beam; the side movable buckle is transversely arranged, the top fixed buckle is transversely arranged, and two notches are formed in the top fixed buckle. The utility model provides high bent cap framework of steel reinforcement construction quality, improved concrete protection layer thickness qualification rate, reinforcing concrete durability for the construction progress simultaneously, save the cost, reduced construction safety risk.

Description

Cover beam steel frame forming binding platform

technical field

The utility model belongs to the technical field of bridge engineering, and in particular relates to a shaping and binding platform of a cover beam steel skeleton.

Background technique

In the process of assembling cover beam steel bars, scaffolding or steel bars are usually used to set up simple support frames for assembly. The positioning of cover beam steel bars is completely controlled manually. The operation requires a large number of people and is labor-intensive, and the assembly operation is difficult, low efficiency, and finished products. The accuracy of the beam frame is not high, and it is prone to tilt and collapse, resulting in safety accidents and other problems.

Gansu Road and Bridge Construction Group Co., Ltd. is in the construction of cover beams of several bridge projects such as Huangshan Gendi Bridge in the TY04 contract section of Tianyong Expressway. At the same time, to speed up the construction progress, save costs, and reduce construction safety risks, we have carried out research on the construction technology of cover beam skeleton processing, and designed a cover beam steel frame binding platform through independent innovation. The above problems are effectively solved, the overall quality of the bridge project is guaranteed, and the construction period requirements are met.

Utility model content

In order to improve the construction quality of the steel frame of the cover beam, increase the qualified rate of the thickness of the concrete protective layer, enhance the durability of the concrete, and at the same time speed up the construction progress, save the cost, and reduce the construction safety risk, the binding platform of the steel frame of the cover beam is designed and manufactured.

The utility model is realized by adopting the following technical solutions. A cover beam steel skeleton shaping and binding platform comprises a main bracket, a work operation auxiliary platform bracket, an end cross bar, an end vertical bar, a bottom clamping slot, and a side movable buckle and the top movable buckle, the main support includes a main beam, a main support leg, a side beam, and a side pole. Above; the work operation auxiliary table bracket is located at the end of the main bracket, the end poles are located on both sides of the auxiliary table bracket, the upper part of the end pole is provided with a round hole, and the end cross bar is located in the round hole, which is a pull-out type; the bottom There are a plurality of notches on the card slot, and the gap between the notches is equal to the distance between the steel bars of the skeleton sheet. Each platform is provided with two bottom card grooves, which are located on the upper part of the main beam; The other end is located on the inner side of the bracket, and the end is provided with a downward notch, and the position of the notch is adapted to the position of the outermost skeleton sheet; the top fixed buckle is arranged horizontally, and there are two notches on it, and the distance between the notches is the same as that of the outermost frame. The spacing between the reinforcing bars of the skeleton sheet is the same.

Preferably, there are 6 outriggers, 3 beams, the longitudinal distance between adjacent outriggers is 5m, and the lateral distance is 3m, and the outriggers and beams are made of I22 I-beam.

Preferably, there are legs under the end of the support of the work operation auxiliary table, and the legs are arranged according to the extension of the main support by 0.5m, and are made of 4*8 square steel, which is convenient for operators to stand and operate.

Preferably, the bottom card slot is made of 5*5 angle steel, the card slot is connected to the main beam by bolts, three bolt holes are reserved for a single card slot, and the hole spacing is equally divided according to the length of the card slot.

Preferably, the end cross bar is made of a Φ42 round tube, and the installation is completed by drilling a hole at the end vertical bar, and it is removed when the end stirrup is bound.

Preferably, the side movable buckle is made of Φ28 steel bar, and one end located on the inner side of the side pole is folded downward to form a vertical part, and the vertical part is sleeved in the vertical steel pipe welded on the inner side of the side pole. It is processed according to the distance from the outermost frame piece to the side vertical rod, and the position is on the same section as the bottom plate slot, which is convenient for the precise positioning and control of the frame piece.

Preferably, the top fixing clips are made of [50 channel steel, and the clips are installed row by row when the skeleton pieces are hoisted, and one channel is set every 2 meters, staggered, and the stirrups are removed in sequence when tying.

Compared with the traditional binding method, the use of the cover beam frame binding bench to process the cover beam frame has the following advantages:

1. Each component of the bench adopts a modular design, and each type of positioning slot can be disassembled and replaced at will, so that different types of cover beam steel skeletons can be fabricated and assembled on the same base, which greatly reduces the construction scale, improves efficiency and reduces costs.

2. Rebar positioning grooves are set at the bottom of the gantry to achieve precise positioning of the spacing between the reinforced skeleton pieces of the cover beam; positioning bars are set at the ends to ensure that the ends of the skeleton pieces are aligned; To avoid the tilting of the skeleton piece, the positioning modules are effectively combined to ensure the precise control of the overall size of the skeleton.

3. The overall platform is about 1m above the ground, which is convenient for operators to install stirrups on the side and bottom at the same time. The work efficiency is significantly improved, and the safety factor is greatly increased.

Description of drawings

FIG. 1 is a cross-sectional view of the framing and binding platform of the cover beam steel bar according to the embodiment of the present invention.

Fig. 2 is a longitudinal sectional view of the shaping and binding platform of the cover beam reinforcement frame according to the embodiment of the present invention.

In the figure, 1-side pole, 2-side movable clip, 3-top movable clip, 4-end crossbar, 5-frame piece, 6-reserved slot at the bottom, 7-removal bolt, 8 -Guardrail, 9-end crossbar, 10-end vertical bar, 11-main support leg, 12-auxiliary support leg, 13-main crossbeam, 14-side beam.

Detailed ways

As shown in Figures 1 and 2, the utility model discloses a shaping and binding platform of a cover beam steel skeleton.

(1) Bracket production

The bracket is divided into the main bracket and the operation operation auxiliary table bracket. The outriggers 11 are designed according to 6, and the beam 13 is designed according to 3. The vertical distance is 5m and the horizontal distance is 3m (can be adjusted according to the design cover beam size), all of which are I22 I-shaped. Made of steel. The work operation auxiliary table bracket is located at the end of the main bracket (the side part can use the main bracket), and the outriggers 12 are set according to the extension of the main bracket by 0.5m, and are made of 4*8 square steel, which is convenient for the operator to stand and operate.

(2) Module production

①The bottom slot 6 is made of 5*5 angle steel, and the length and slot spacing are cut according to the design width of the drawing and the spacing between the skeleton sheets. Each platform is provided with two channels, located on the upper part of the main beam 13. It is appropriate to control the position of 1/3 of the two ends of the platform. The clamping slot 6 is connected to the main beam 13 by bolts 7. There are 3 bolt holes reserved for a single clamping slot. The spacing is equally divided by the length of the card slot.

②The end cross bar 9 is made of Φ42 round tube and designed as a pull-out type. The end vertical bar 10 is drilled to complete the installation, and the end stirrup is removed when the end stirrup is bound.

③The side movable buckle 2 is made of Φ28 steel bar and is set on the inner side of the side pole 1. The length is processed according to the distance from the outermost frame piece 5 to the stand pole. control.

④The top fixing buckle 3 is made of [50 channel steel. The clips are installed row by row when the skeleton pieces are hoisted, and one row is set every 2 meters, staggered, and the stirrups are removed in sequence when they are tied.

(3) Hoisting and binding of skeleton pieces

①After the skeleton sheet is processed and manufactured, it is hoisted into the bottom slot of the gantry by the gantry crane in turn, and the hoisting tool is used during hoisting to prevent deformation caused by uneven force on the hoisting point during the hoisting process.

② When hoisting, make sure that the end of the frame piece is aligned with the end beam, the outermost frame piece is fixed by the side pole bayonet, and the top plate movable bayonet is fixed in turn to prevent the overturning or deformation of the steel bar spacing.

③When tying the stirrups, proceed from the other side of the end in sequence, remove the movable buckles of the top plate in turn, and complete the binding of the vertical stirrups.

Implementation example

In 2018, during the construction of the TY04 contract section of Tianshuibao via Qingcheng to Yonghe Expressway, which was built by Gansu Road and Bridge Construction Group Co., Ltd., during the construction of 435 cover beams along the entire line, the cover beam steel frame was processed by the bench method. The size and spacing of the steel reinforcement frame of the cover beam are precisely controlled, and the qualified rate of the cover beam concrete protective layer is high, which eliminates the error of manual measurement, saves labor and time, improves the production efficiency, reduces the safety risk, and effectively guarantees the durability of the concrete.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. A bent cap steel reinforcement framework shaping and binding rack is characterized by comprising a main support, an operation auxiliary platform support, an end cross rod, an end upright rod, a bottom clamping groove, a side movable buckle and a top movable buckle, wherein the main support comprises a main cross beam, main support legs, side beams and side upright rods, the main support legs are positioned below the main cross beam, and the side upright rods are positioned above the main support legs on one side; the operation auxiliary table support is positioned at the end part of the main support, the end upright stanchions are positioned at two sides of the auxiliary table support, the upper parts of the end upright stanchions are provided with round holes, and the end cross rods are positioned in the round holes and are in a pull type; a plurality of notches are formed in the bottom clamping grooves, the interval between the notches is equal to the interval between the framework pieces and the steel bars, and each rack is provided with two bottom clamping grooves which are positioned at the upper part of the main cross beam; the side movable buckle is transversely arranged, one end of the side movable buckle is arranged at the inner side of the side upright rod, the other end of the side movable buckle is positioned at the inner side of the bracket, a downward notch is formed in the end part of the side movable buckle, and the position of the notch is matched with the position of the outermost skeleton piece; the top fixing buckle is transversely arranged, two notches are formed in the top fixing buckle, and the distance between the notches is the same as that between the framework sheet steel bars.

2. The cover beam steel reinforcement framework shaping and binding rack as claimed in claim 1, wherein the number of the supporting legs is 6, the number of the cross beams is 3, the longitudinal distance between every two adjacent supporting legs is 5m, the transverse distance between every two adjacent supporting legs is 3m, and the supporting legs and the cross beams are both made of I22I-shaped steel.

3. The bent cap steel reinforcement framework shaping and binding rack as claimed in claim 1, wherein supporting legs are arranged below the end portions of the supports of the auxiliary operation platform, the supporting legs are arranged according to 0.5m of the extension of the main support and are made of 4-8 square steel, and therefore standing operation of operators is facilitated.

4. The cover beam steel reinforcement framework shaping and binding rack as claimed in claim 1, wherein the bottom clamping groove is made of 5 x 5 angle steel, the clamping groove is connected with the main cross beam through bolts, 3 bolt holes are reserved in a single clamping groove, and the hole intervals are equally divided according to the length of the clamping groove.

5. The bent cap steel reinforcement framework shaping and binding rack as claimed in claim 1, wherein the end cross bar is made of a phi 42 round tube, and is installed after the end vertical rod is punched, and is removed when the end stirrup is bound.

6. The bent cap steel bar framework shaping and binding rack as claimed in claim 1, wherein the side movable buckle is made of a phi 28 steel bar, one end of the side vertical rod is folded back downwards to form a vertical part, the vertical part is sleeved in a vertical steel pipe welded on the inner side of the side vertical rod, the length of the side movable buckle is processed according to the distance from the outermost side framework piece to the side vertical rod, and the position of the side movable buckle and a bottom plate clamping groove are located on the same section, so that accurate positioning control of the framework pieces is facilitated.

7. The bent cap steel reinforcement framework shaping and binding rack as claimed in claim 1, wherein the top fixing buckles are made of [50 steel channels, the buckles are installed row by row when the framework pieces are hoisted, 1 buckle is arranged every 2 meters, the buckles are arranged in a staggered mode, and the hoops are sequentially removed when bound.

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