CN110820569A - Liftable suspension platform device for rollover construction and working method thereof - Google Patents

Abstract

The invention relates to a hoistable suspension platform device for mold-turning construction and a working method thereof. The device comprises: a template unit, which is composed of a lower anchor template, a free template and an upper anchor template arranged in sequence from bottom to top; The frame is arranged outside the formwork unit to support the formwork unit; the lifting platform unit has a lifting platform chain hoist fixed on the formwork outside the lower anchoring formwork; the self-lifting unit has a formwork fixed outside the upper anchoring formwork The self-elevating chain hoist on the steel bracket; the operating platform is composed of a steel bracket and a platform plate arranged on the steel bracket; The operating platform has been continuously improved. Compared with the prior art, the present invention has the advantages of lower cost, easy disassembly, liberation of the use time of the hoisting equipment, and guarantee of the safety of construction personnel.

Description

A hoistable suspension platform device for mold-turning construction and its working method

technical field

The invention relates to the technical field of civil engineering construction, in particular to a hoistable suspension platform device used for mold-turning construction and a working method thereof.

Background technique

In the concrete pouring process of high-rise structures such as bridge piers and bridge towers, the construction operation is carried out by staged pouring for large volumes of concrete. In the process of concrete pouring, a formwork needs to be used to shape the concrete. Multi-piers are often poured with the technology of turning over the formwork, and the formwork can be recycled. The method has the characteristics of low cost, more flexibility, no guide rail, and more convenient installation and disassembly, and is widely used.

In the process of concrete segmental pouring, the junction of new and old concrete needs to be manually modified to perform concrete painting, decoration and grouting operations to ensure the performance of concrete. In conventional operations, hoists are used for suspension construction for exterior painting, decoration, and grouting operations. The working platform is suspended by a crane, and the lower part has two steel wire ropes for workers to stabilize and fix the working platform, so that the workers can work more stably on the working platform. Although this method has the advantages of simple operation and easy disassembly during construction, it has great hidden dangers in the operation process, and the guarantee for wind resistance and safety is not high. At the same time, during the lifting process, the crane may encounter The construction platform of the formwork, the operation of the crane is not very convenient. At the same time, when the method is used for painting, decoration and grouting operations, it takes a long time for hoisting equipment, which reduces the efficiency of the construction equipment and increases the workload of the hoist. During the operation, due to the instability of the structure, objects may fall from the construction platform, increasing the risk of injury to the construction workers below.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned defects of the prior art and provide a liftable suspension platform device for mold-turning construction, which has the advantages of simple operation, no influence on the mold-turning process, low cost, and improved machine efficiency. its working method. The device can ensure structural stability during construction, has self-lifting performance, can reduce the usage of cranes, and has a certain protective structure.

The object of the present invention can be realized through the following technical solutions:

The present invention provides a hoistable suspension platform device for mold-turning construction, comprising:

The formwork unit consists of the lower anchoring formwork, the free formwork and the upper anchoring formwork arranged in sequence from bottom to top,

The formwork is arranged outside the formwork unit and is used to support the formwork unit,

Lifting platform unit with lifting platform chain hoist fixed to the formwork outside the lower anchoring formwork,

Self-lifting unit with self-lifting chain hoists fixed to the formwork outside the upper anchoring formwork,

The operating platform consists of a steel bracket and a platform plate set on the steel bracket.

The lifting platform chain hoist and the self-lifting chain hoist are alternately connected to the operating platform during the mold turning process, so that the operating platform is continuously elevated;

When the mold is turned over, a new formwork unit is formed by removing the free formwork and the lower anchoring formwork and placing them on the upper anchoring formwork in turn.

As a preferred technical solution of the present invention, the lower anchoring formwork and the upper anchoring formwork are respectively connected to the concrete through support rods, and are connected in a circumferential direction through a ring and bolts respectively.

As a preferred technical solution of the present invention, the free formwork is connected by a ring and bolts for circumferential restraint, and is connected with the lower anchor formwork and the upper anchor formwork by bolts for longitudinal restraint.

As a preferred technical solution of the present invention, the formwork is connected in a circumferential direction with a ring and bolts, and is anchored in the concrete poured on the upper floor through a support rod.

As a preferred technical solution of the present invention, there are two chain hoists for the lifting platform, which are respectively located at both ends of one side surface of the lower anchoring formwork.

As a preferred technical solution of the present invention, there are two self-lifting chain hoists, which are respectively located at both ends of one side surface of the upper anchoring formwork.

As a preferred technical solution of the present invention, an operation platform is formed by erecting a platform plate on a steel bracket, the platform plate and the steel bracket are connected by binding, and the steel bracket is connected to the lifting platform chain hoist or self-lifting chain hoist through a wire rope .

The present invention also provides a working method of the hoistable suspension platform device used for mold-turning construction, comprising the following steps:

Connect the operating platform to the self-lifting chain hoist of the upper anchoring formwork of the formwork unit, and disconnect the operating platform from the lifting platform chain hoist of the lower anchoring formwork; then remove the free formwork and the lower anchoring formwork and install them in turn by hoisting. Above the upper anchoring formwork, a new formwork unit is formed, so that the formwork can be overturned; the operating platform is lifted to the newly exposed concrete part, and the concrete is operated.

Preferably, the operations performed on the concrete include painting, decoration and grouting operations.

Preferably, the hoisting is performed by a crawler crane or a tower crane.

Compared with the prior art, the hoistable suspension platform device of the present invention has the advantages of simple operation, no influence on the process of turning the mold, low cost, and improved efficiency of the machine tool, can ensure the structural stability during the construction process, has self-lifting performance, It can reduce the usage of cranes and has a certain protection structure.

Description of drawings

Fig. 1 is the side elevation schematic diagram of the hoistable suspension platform device of the present invention;

2 is a schematic front elevational view of the hoistable suspended platform device of the present invention.

In the figure, 101 is the lower anchoring formwork, 102 is the upper anchoring formwork, 2 is the free formwork, 3 is the formwork, 4 is the support rod, 5 is the ring, 6 is the bolt, 7 is the lifting platform chain hoist, and 8 is the wire rope , 9 is a steel bracket, 10 is a platform plate, and 11 is a self-lifting chain hoist.

Detailed ways

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

Example 1

A liftable suspended platform device for mold-turning construction, as shown in Figures 1-2, includes a formwork unit, a formwork 3, a lifting platform unit, a self-lifting unit and an operating platform, wherein: the formwork unit is from bottom to The lower anchoring formwork 101, the free formwork 2 and the upper anchoring formwork 102 are arranged in sequence; the formwork 3 is arranged outside the formwork unit to support the formwork unit; the lifting platform unit has the formwork 3 fixed on the outside of the lower anchoring formwork 101 The lifting platform chain hoist 7; the self-lifting unit has a self-lifting chain hoist 11 fixed on the formwork 3 outside the upper anchoring template 102; the operating platform is composed of a steel bracket 9 and a platform plate 10 ( Preferably wooden platform) composition;

The lifting platform chain hoist 7 and the self-lifting chain hoist 11 are alternately connected to the operating platform during the mold turning process, so that the operating platform is continuously raised; when the mold is turned over, the free formwork 2 and the lower anchoring formwork 101 are removed and placed on the upper part in turn. Above the anchor formwork 102, a new formwork unit is formed (the previous upper anchor formwork 102 is used as the lower anchor formwork 101 in the new formwork unit, the previous free formwork 2 is still the free formwork 2 in the new formwork unit, and the previous lower Anchoring formwork 101 in the new formwork unit as an upper anchoring formwork 102, the previous lift platform chain hoist 7 in the new formwork unit as a self-lifting chain hoist 11, the previous self-lifting chain hoist 11 in the new formwork unit Middle as a lifting platform chain hoist 7).

In this embodiment, it is preferable that the lower anchoring formwork 101 and the upper anchoring formwork 102 are connected to the concrete through the support rods 4 respectively, and are connected circumferentially through the ring 5 and the bolts 6 respectively. Preferably, the free formwork 2 is connected with the ring 5 and the bolts 6 for circumferential restraint, and is connected with the lower anchor formwork 101 and the upper anchor formwork 102 by the bolts 6 for longitudinal restraint, so that the free formwork 2 and the two anchor formwork form an integral common Force. Preferably, the formwork 3 is connected in a circumferential direction with a ring 5 and a bolt 6, and is anchored in the concrete poured on the upper layer through the support rod 4. The formwork of the same layer is connected in a circumferential direction through the ring 5 and the bolt 6 to ensure that it can withstand the lateral force generated when the concrete is poured, and prevent the formwork from overturning. In this embodiment, preferably, there are two chain hoists 7 for the lifting platform, which are respectively located at both ends of one side surface of the lower anchoring formwork 101 . And preferably, there are two self-lifting chain hoists 11 , which are respectively located at two ends of one side surface of the upper anchoring formwork 102 , as shown in FIG. 2 . In this embodiment, the platform plate 10 is erected on the steel bracket 9 to form an operation platform, the platform plate 10 and the steel bracket 9 are connected by binding, and the steel bracket 9 is connected to the lifting platform hand hoist 7 or self-lifting through the wire rope 8 Chain hoist 11 is connected.

The working method of the above-mentioned liftable suspension platform device for overturning construction includes the following steps:

Connect the operating platform to the self-lifting chain hoist 11 of the upper anchoring template 102 of the formwork unit, and disconnect the operating platform from the lifting platform chain hoist 7 of the lower anchoring template 101 (if the operating platform and the lifting platform chain hoist 7 If there is a connection, after the self-lifting chain hoist 11 is connected with the operating platform, release the connection between the operating platform and the lifting platform hand chain hoist 7); then remove the free formwork 2 and the lower anchoring formwork 101 and place them on the upper anchorage in turn by hoisting Above the formwork 102, a new formwork unit is formed (the previous upper anchor formwork 102 is used as the lower anchor formwork 101 in the new formwork unit, the previous free formwork 2 is still the free formwork 2 in the new formwork unit, and the previous lower anchorage formwork 2. Formwork 101 in the new formwork unit as upper anchor formwork 102, the previous lift platform chain hoist 7 in the new formwork unit as a self-lifting chain hoist 11, the previous self-lifting chain hoist 11 in the new formwork unit As the lifting platform chain hoist 7), so as to carry out the mold reversal; (using the lifting platform chain hoist 7 in the new formwork unit - that is, the previous self-lifting chain hoist 11), the operating platform is lifted to the newly exposed concrete part , work on concrete. Operations on concrete include painting, decoration and grouting.

Further, the hoisting is performed by a crawler crane or a tower crane. During the mold-turning process, the lower fixed formwork 101 and the free formwork 2 are disassembled first, and turned to the upper part (ie above the original upper fixed formwork 102 ), and then the formwork and the support rod 4 inserted into the concrete are fixed. After the template is turned to the upper part, the installation bolts 6, the ring 5, etc. are fixed.

The foregoing description of the embodiments is provided to facilitate understanding and use of the invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications to these embodiments can be readily made, and the generic principles described herein can be applied to other embodiments without inventive step. Therefore, the present invention is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should all fall within the protection scope of the present invention.

Claims (8)

1. A liftable suspended platform device for rollover construction, comprising:

the template unit consists of a lower anchoring template (101), a free template (2) and an upper anchoring template (102) which are sequentially arranged from bottom to top,

a mould frame (3) arranged outside the template unit and used for supporting the template unit,

a lifting platform unit which is provided with a lifting platform chain block (7) fixed on the die carrier (3) outside the lower anchoring template (101),

a self-lifting unit which is provided with a self-lifting hand chain block (11) fixed on the die carrier (3) outside the upper anchoring template (102),

the operation platform consists of a steel bracket (9) and a platform plate (10) arranged on the steel bracket (9),

the lifting platform chain block (7) and the self-lifting chain block (11) are alternately connected with the operating platform in the mould overturning process, so that the operating platform is continuously lifted;

when the die is turned over, the free die plate (2) and the lower anchoring die plate (101) are detached and are sequentially arranged above the upper anchoring die plate (102) to form a new die plate unit.

2. A liftable suspension platform device for rollover construction according to claim 1, characterized in that the lower anchoring formworks (101) and the upper anchoring formworks (102) are respectively connected to the concrete by means of support rods (4) and are respectively connected in a circumferential direction by means of aprons (5) and bolts (6).

3. A liftable suspended platform device for rollover construction according to claim 1, characterized in that said free form (2) is connected by means of a surround (5) and bolts (6) for circumferential restraint and by means of bolts (6) to a lower anchor form (101) and an upper anchor form (102) for longitudinal restraint.

4. A liftable suspension platform device for rollover construction according to claim 1, characterized in that the formwork (3) is connected circumferentially by means of a surrounding ring (5) and bolts (6) and anchored in the concrete poured in the upper layer by means of support rods (4).

5. A liftable suspension platform device for rollover construction according to claim 1, wherein there are two lifting platform chain blocks (7) respectively located at both ends of one side of the lower anchoring formwork (101).

6. A liftable suspension platform device for rollover construction according to claim 1, wherein there are two self-lifting chain blocks (11) located at the two ends of one side of the upper anchoring formwork (102).

7. A liftable suspension platform device for rollover construction according to claim 1, characterized in that the operation platform is composed by erecting the platform board (10) on the steel support (9), the platform board (10) and the steel support (9) are connected by binding, and the steel support (9) is connected with the lifting platform chain block (7) or the self-lifting chain block (11) through the steel wire rope (8).

8. The method of operating a liftable suspended platform apparatus for rollover construction as recited in any of claims 1 to 7, comprising the steps of:

connecting an operating platform to a self-lifting chain block (11) of an upper anchoring template (102) of the template unit, and disconnecting the operating platform from a lifting platform chain block (7) of a lower anchoring template (101); then the free template (2) and the lower anchoring template (101) are dismantled and are sequentially arranged above the upper anchoring template (102) through hoisting to form a new template unit, so that the template overturning is carried out; and lifting the operating platform to the newly exposed concrete part to operate the concrete.

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