CN115749234A - Reactor factory building internal structure climbing rotation type construction platform and climbing method thereof - Google Patents

Abstract

The invention discloses a rotating construction platform for climbing an internal structure of a reactor factory building and a climbing method thereof. This reactor factory building inner structure rotation construction platform that climbs includes stand, steel platform, climbing mechanism, loop wheel machine and cloth machine, and wherein, the bottom of stand is fixed in nuclear island reactor factory building inner structure center and piles in the hole, and the steel platform overlaps in the stand outside and realizes that it climbs for the stand through climbing mechanism, and the loop wheel machine is integrated steel platform top, cloth machine hang integrated in the steel platform lower part. According to the rotating construction platform with the climbing structure for the internal structure of the reactor factory building, which is provided by the invention, the steel platform is sleeved outside the stand column and is lifted relative to the stand column through the climbing mechanism, the steel platform can provide a material yard for the internal structure construction of the reactor factory building of a nuclear island, meanwhile, a crane for material transportation can be added, an attachment part is provided for a material distributor, the construction interference is reduced, and the construction efficiency is improved.

Description

Climbing and turning construction platform and its climbing method for internal structure of reactor building

technical field

The invention relates to the technical field of nuclear power construction equipment, and relates to a climbing and turning construction platform for the internal structure of a reactor building and a climbing method thereof.

Background technique

The nuclear island reactor building is mainly composed of internal structure, steel lining, inner shell and other structures. The internal structure accommodates important functions such as nuclear reaction room, equipment room, and personnel operating room. Lines restrict the overall construction period.

The traditional construction method adopts manual construction of steel pipe scaffolding and wooden formwork for the construction of reinforced concrete structures. The construction materials can only be temporarily stacked on part of the completed structure, and the loading capacity is very limited; only one tower crane is installed in the center of the internal structure. The tower crane needs To complete the transfer of internal structural reinforcement and formwork, the installation of embedded parts, and even the installation and removal of the steel-lined internal construction walkway, the tower crane capacity is insufficient; in addition, during construction, multiple concrete placing machines are usually arranged in the steam generator compartment to meet The concrete pouring requirements of the internal structure affect the construction of formwork and embedded parts in the steam generator compartment.

Contents of the invention

The main purpose of the present invention is to provide a climbing and rotating construction platform for the internal structure of the reactor building and its climbing method. efficiency.

In order to achieve the above object, the present invention provides a climbing and rotating construction platform for the internal structure of the reactor building, including a column, a steel platform, a climbing mechanism, a crane and a distributing machine, wherein,

The bottom of the column is fixed in the center pit of the internal structure of the nuclear island reactor building. The steel platform is set outside the column and climbed relative to the column through a climbing mechanism. The lower part of the platform.

Preferably, the climbing mechanism includes an upper climbing frame connected to the steel platform, a lower climbing frame connected to the column, and a driving mechanism connecting the upper climbing frame and the lower climbing frame to drive the relative vertical movement thereof, the upper climbing frame and the lower climbing frame The frame is detachably connected to the uprights to support the climbing of the steel platform.

Preferably, the driving mechanism is an oil cylinder.

Preferably, the upper climbing frame and the lower climbing frame are detachably connected to the column through a pin shaft.

Preferably, the climbing and turning construction platform for the internal structure of the reactor building further includes a turning mechanism sleeved on the column, the rotating part of the turning mechanism is connected with the steel platform to drive its rotation relative to the column, and the fixed part of the turning mechanism is connected to the steel platform. The upper climbing frame is fixedly connected.

Preferably, a track is provided under the steel platform, and the top of the distribution machine is installed inside the track to move with the track.

Preferably, the crane is detachably connected to the steel platform through fasteners.

Preferably, the placing machine is detachably connected to the steel platform through fasteners.

The present invention further proposes a climbing method for a climbing and turning construction platform based on the internal structure of the reactor building, comprising the following steps:

Keep the lower climbing frame and the column fixed, and release the connection between the upper climbing frame and the column;

Drive the climbing frame to climb through the driving mechanism, so as to drive the steel platform to climb as a whole;

When the steel platform climbs in place, connect the upper climbing frame and the column, release the connection between the lower climbing frame and the column, drive the lower climbing frame to rise through the work of the driving mechanism, and connect the lower climbing frame and the column after the current climbing frame climbs in place.

The climbing and rotating construction platform for the internal structure of the reactor building proposed by the present invention, the steel platform is set on the outside of the column and is climbed relative to the column through a climbing mechanism. The crane used for material transportation provides attachment parts for the placement machine, reduces construction interference and improves construction efficiency. At the same time, the climbing and turning construction platform of the internal structure of the reactor building also has the advantages of simple structure, stable operation and easy realization.

Description of drawings

Fig. 1 is the structural representation of the climb-up and turn-around type construction platform of the internal structure of the reactor building of the present invention;

Fig. 2 is the structural representation of the first structure of the steel platform in the climbing and turning type construction platform of the reactor building internal structure of the present invention;

Fig. 3 is the structural representation of the second structure of the steel platform in the climbing and turning type construction platform of the reactor building internal structure of the present invention;

Fig. 4 is a structural schematic diagram of the climbing mechanism in the climbing and turning construction platform of the internal structure of the reactor building of the present invention.

In the figure, 1-column; 2-steel platform; 3-climbing mechanism; 31-climbing frame; 32-climbing frame; 33-oil cylinder;

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

Referring to Fig. 1 to Fig. 4, in this preferred embodiment, a kind of climbing and rotating construction platform for the internal structure of the reactor building includes a column 1, a steel platform 2, a climbing mechanism 3, a crane 5 and a distributing machine 6, wherein,

The bottom of the column 1 is fixed in the center pit of the nuclear island reactor building's internal structure. The steel platform 2 is set outside the column 1 and climbed relative to the column 1 through the climbing mechanism 3. The crane 5 is integrated on the top of the steel platform 2, and the distributing machine 6 The suspension is integrated in the lower part of the steel platform 2.

The column 1 is used as the load-bearing structure and attachment of the construction platform, and is fixedly installed on the concrete foundation at the center of the internal structure of the nuclear island reactor building. other shapes.

As the main body of the construction platform, the steel platform 2 is a cantilevered steel platform that provides a material storage yard and equipment integration location for the internal structure construction of the nuclear island reactor building. The steel platform 2 can be designed as a "clover" type (as shown in Figure 2) or a rectangle (as shown in Figure 3) according to requirements. The three protruding parts of the "clover" type platform are located on the upper part of the three steam generators, and the work frame can be hung under the protruding three parts of the platform, which is used for the installation and removal of the structural formwork of the steam generator compartment and the installation of embedded parts.

In the present embodiment, with reference to Fig. 4, the climbing mechanism 3 includes an upper climbing frame 31 connected with the steel platform 2, a lower climbing frame 32 connected with the column 1 and connecting the upper climbing frame 31 and the lower climbing frame 32 to drive its relative vertical The moving drive mechanism, the upper climbing frame 31 and the lower climbing frame 32 are selectively detachably connected with the column 1 to support the steel platform 2 to climb. In this embodiment, the driving mechanism is an oil cylinder 33 .

In this embodiment, the upper climbing frame 31 and the lower climbing frame 32 are detachably connected with the column 1 through pin shafts. Of course, in other modified embodiments, the upper climbing frame 31, the lower climbing frame 32 and the column 1 can also use other way, as long as it is detachable.

Further, the internal structure of the reactor plant is a climbing and turning construction platform that also includes a turning mechanism 4 sleeved on the column 1. The rotating part of the turning mechanism 4 is connected to the steel platform 2 to drive it to rotate relative to the column 1. The turning mechanism 4 is fixedly connected with the upper climbing frame 31. The turning mechanism 4 can adopt a common structure in the prior art, as long as it can realize driving the steel platform 2 to rotate, the present invention is not limited to this.

In this embodiment, the rotation of the steel platform 2 is realized by setting the turning mechanism 4, so that it is more convenient to carry out construction operations inside the nuclear island reactor building.

Specifically, in this embodiment, the fixed part of the turning mechanism 4 is fixedly connected to the upper climbing frame 31 through welding or flange connection.

Distributing machine 6 can adopt two kinds of modes to install. The first way is a fixed connection, the distributing machine 6 and the steel platform 2 are detachably connected by fasteners (such as bolts). The second way is a sliding connection. Specifically, a track is provided below the steel platform 2, and the top of the distribution machine 6 is installed inside the track to move with the track. Distributing machine 6 is connected with driving mechanism to realize that it moves on the track.

Specifically, the crane 5 is detachably connected to the steel platform 2 through fasteners (such as bolts).

The working process of the climbing and turning construction platform for the internal structure of the reactor building is as follows:

1. After keeping the lower climbing frame 32 and the column 1 connected, release the connection between the upper climbing frame 31 and the column 1;

2. Extend the oil cylinder 33 to drive the upper climbing frame 31 to rise, and drive the steel platform 2 to climb as a whole;

3. When the steel platform 2 climbs up to the position, connect the climbing frame 31 and the column 1 to connect them;

4. Release the connection between the lower climbing frame 32 and the column 1;

5. Recycling through the oil cylinder 33, driving the lower climbing frame 32 to rise;

6. After the lower climbing frame 32 climbs into place, connect the lower climbing frame 32 with the column 1;

7. Repeat the above steps to realize the step-by-step climbing of the steel platform 2.

The internal structure of the reactor building proposed in this embodiment is a climbing and rotating construction platform. The steel platform 2 is set on the outside of the column 1 and is climbed relative to the column 1 through the climbing mechanism 3. The steel platform 2 can be provided for the construction of the internal structure of the nuclear island reactor building. In the material storage yard, a crane 5 for material transportation is added to provide an attachment position for the placing machine 6, reducing construction interference and improving construction efficiency. At the same time, the climbing and turning construction platform of the internal structure of the reactor building also has the advantages of simple structure, stable operation and easy realization.

The present invention further proposes a climbing method for the internal structure of the reactor building to climb and rotate the construction platform.

In this preferred embodiment, a climbing method based on the internal structure of the above-mentioned reactor powerhouse climbing and rotating construction platform includes the following steps:

Step S10, keep the connection between the lower climbing frame 32 and the column 1 fixed, and release the connection between the upper climbing frame 31 and the column 1;

Step S20, driving the upper climbing frame 31 to climb through the driving mechanism, thereby driving the steel platform 2 to climb as a whole;

Step S30, when the steel platform 2 has climbed to the right position, connect the upper climbing frame 31 and the column 1, release the connection between the lower climbing frame 32 and the column 1, and drive the lower climbing frame 32 to rise through the work of the driving mechanism (the oil cylinder retracts), and the current climbing frame After 32 climbs in place, connect lower climbing frame 32 and column 1 (the two are fixed).

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields, are all the same. included in the scope of patent protection of the present invention.

Claims (9)

1. A kind of reactor plant internal structure climbs and rotates the type construction platform, it is characterized in that, comprises column, steel platform, climbing mechanism, crane and distributing machine, wherein, The bottom of the column is fixed in the center pit of the internal structure of the nuclear island reactor building. The steel platform is set outside the column and climbed relative to the column through a climbing mechanism. The lower part of the platform. 2. The climbing and rotating construction platform for the internal structure of the reactor building as claimed in claim 1, wherein the climbing mechanism includes an upper climbing frame connected with the steel platform, a lower climbing frame connected with the column and an upper climbing frame connected and the lower climbing frame to drive the driving mechanism for its relative vertical movement, and the upper climbing frame and the lower climbing frame are detachably connected with the column to support the steel platform to climb. 3. The climbing and turning construction platform for the internal structure of the reactor building according to claim 2, wherein the driving mechanism is an oil cylinder. 4. The climbing and rotating construction platform for the internal structure of the reactor building according to claim 2, wherein the upper climbing frame and the lower climbing frame are detachably connected to the uprights through pin shafts. 5. The climbing and rotating construction platform for the internal structure of the reactor building as claimed in claim 2, further comprising a rotating mechanism sleeved on the column, and the rotating part of the rotating mechanism is connected with the steel platform to drive its relative column Rotate, and the fixed portion of the turning mechanism is fixedly connected with the upper climbing frame. 6. The climbing and turning construction platform for the internal structure of the reactor building as claimed in claim 2, wherein a track is arranged below the steel platform, and the top of the placing machine is installed inside the track to realize moving with the track. 7. The climbing and turning construction platform for the internal structure of the reactor building according to claim 2, wherein the crane is detachably connected to the steel platform through fasteners. 8. The climbing and turning construction platform for the internal structure of the reactor building according to any one of claims 2 to 7, wherein the placing machine and the steel platform are detachably connected by fasteners. 9. A climbing method based on the reactor building internal structure climbing and turning type construction platform described in any one of claims 2 to 8, it is characterized in that, comprising the following steps: Keep the lower climbing frame and the column fixed, and release the connection between the upper climbing frame and the column; Drive the climbing frame to climb through the driving mechanism, so as to drive the steel platform to climb as a whole; When the steel platform climbs in place, connect the upper climbing frame and the column, release the connection between the lower climbing frame and the column, drive the lower climbing frame to rise through the work of the driving mechanism, and connect the lower climbing frame and the column after the current climbing frame climbs in place.

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