CN218643813U

CN218643813U - Platform support fixing device and construction system for construction of containment steel lining of nuclear power station

Info

Publication number: CN218643813U
Application number: CN202222386865.9U
Authority: CN
Inventors: 毕凌云; 刘建军; 金成虎; 赵俊阳
Original assignee: Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Current assignee: Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-03-17
Anticipated expiration: 2032-09-05

Abstract

The utility model provides a platform bracket fixing device and a construction system for the construction of a steel lining of a containment vessel of a nuclear power station, wherein the bracket fixing device comprises a fixing part, a support frame and a support pad; the first end of the fixing piece penetrates through the supporting pad and is fixedly connected to the steel lining; the support frame with the supporting pad deviates from one side rigid coupling of mounting first end. Through the mounting, support frame and the supporting pad that set up, can save and set up work load, and simple manufacture, convenient operation. The construction system comprises a steel lining, a construction platform and a plurality of support fixing devices; the first end of the fixing piece in each support fixing device is fixedly connected to the steel lining, and the construction platform is erected on the support frame of each support fixing device. The construction system is convenient to set up, can save workload and has little influence on the quality of the steel lining body.

Description

Platform support fixing device and construction system for construction of containment steel lining of nuclear power station

Technical Field

The utility model belongs to the technical field of the support fixing device, concretely relates to platform support fixing device and construction system are used in construction of nuclear power station containment steel lining.

Background

In the construction process of the steel lining of the containment vessel of the nuclear power station, in order to accelerate the construction progress, modular construction is generally adopted, namely, each two sections are assembled into a circular cylinder and then are hoisted and installed. This requires construction at high altitudes of approximately 10m in height, so a circular steel platform must be built up inside and outside the steel lining. In the past, a platform is built by adopting a scaffold or a triangular support welded on the inner side of a steel lining; when the platform is built by adopting the scaffold, the work load of building the scaffold is large, and the construction period is long; when the platform is set up to the adoption inboard welding triangle-shaped of steel lining supports, then need to weld upper and lower two contact points and steel lining body, influence steel lining body quality, and dismantle inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a platform support fixing device and construction system are used in construction of nuclear power station containment steel lining.

One aspect of the utility model provides a platform support fixing device for the construction of a steel lining of a containment vessel of a nuclear power station, which comprises a fixing part, a support frame and a support pad;

the first end of the fixing piece penetrates through the supporting pad and is fixedly connected to the steel lining;

the support frame with the supporting pad deviates from one side rigid coupling of mounting first end.

Optionally, the support frame includes a horizontal support rod and an inclined support rod, and the support pads include a first support pad and a second support pad;

first supporting pad with the relative interval of second supporting pad sets up, first supporting pad is provided with the mounting hole that runs through its thickness, the mounting is worn to be equipped with by the mounting hole, first supporting pad with horizontal support bar's first end rigid coupling, the second supporting pad with the first end rigid coupling of slope bracing piece, the second end of slope bracing piece with horizontal support bar's second end rigid coupling.

Optionally, the supporting frame further comprises a vertical supporting rod;

the vertical supporting rod is bridged on the horizontal supporting rod and the inclined supporting rod.

Optionally, an included angle between the inclined supporting rod and the horizontal supporting rod ranges from 40 degrees to 50 degrees.

Optionally, the mounting hole is located above the horizontal support rod.

Optionally, the bracket fixing device further comprises a blocking piece, and a fixing hole penetrating through the thickness of the second end of the fixing piece is formed in the second end of the fixing piece;

the blocking piece penetrates through the fixing hole so as to fix the supporting frame and the supporting pad on the fixing block.

Optionally, the blocking member comprises a first blocking portion and a second blocking portion;

the first blocking portion penetrates through the fixing hole, the second blocking portion is overlapped above the fixing piece, and the orthographic projection of the second blocking portion on the fixing hole is located on the outer side of the fixing hole.

In another aspect of the present invention, a nuclear power plant containment steel lining construction system is provided, which includes a steel lining, a construction platform, and a plurality of the support fixing devices described above;

the first end of the fixing piece in each support fixing device is fixedly connected to the steel lining, and the construction platform is erected on the support frame of each support fixing device.

Optionally, a plurality of the bracket fixing devices are arranged at intervals along the circumferential direction of the steel lining.

The utility model discloses platform support fixing device is used in construction of nuclear power station containment steel lining through mounting, support frame and the supporting pad that sets up, can sparingly set up work load, and simple manufacture, convenient operation. The utility model discloses nuclear power station containment steel lining construction system sets up conveniently, can save work load and little to steel lining body quality influence.

Drawings

Fig. 1 is a schematic structural view of a platform bracket fixing device for construction of a steel lining of a containment vessel of a nuclear power plant according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating the fitting of the fixing member and the blocking member of the platform bracket fixing device for steel lining construction of a containment vessel of a nuclear power plant according to another embodiment of the present invention;

fig. 3 is a schematic structural diagram of a steel lining construction system for a containment vessel of a nuclear power plant according to another embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention is described in further detail below with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, a platform bracket fixing device 100 for construction of a steel lining of a containment vessel of a nuclear power plant, the bracket fixing device 100 includes a fixing member 110, a support frame 120 and a support pad 130. The first end of the fixing member 110 passes through the support pad 130 and is used to be fixed to the steel lining. The supporting frame 120 is fixedly connected to a side of the supporting pad 130 away from the first end of the fixing member 110.

Specifically, the first end of the fixing member 110 penetrates through the supporting pad 130 and is fixedly connected to the steel lining, and the supporting frame 130 is fixedly connected to a side of the supporting pad 130 away from the first end of the fixing member 110. It should be noted that the above-mentioned fixing may be accomplished by welding, and of course, the fixing may also be accomplished by other fixing methods besides welding, which is not limited in this embodiment. A steel platform may be placed on the fixed support 120 to provide a work surface. As an example, as shown in fig. 1, the specification of the fixing member 110 may be set to be a Q265HR steel plate having a height × width × length of 50mm × 50mm × 40mm, and the specification of the supporting pad 130 may be set to be a height × width × thickness of 100mm × 100mm × 6mm.

The platform support fixing device for construction of the steel lining of the containment vessel of the nuclear power plant is characterized in that the steel lining is fixedly connected with a fixing piece penetrating through the supporting pad, and the supporting frame is fixedly connected to one side, deviating from the first end of the fixing piece, of the supporting pad, so that a steel platform can be erected on the supporting frame. The platform support fixing device for the construction of the nuclear power station containment steel lining can save the set-up workload, is simple in structure and convenient to manufacture, is more convenient to mount and dismount, and has less influence on the quality of the steel lining body.

Preferably, as shown in fig. 1, the supporting bracket 120 includes a horizontal supporting rod 121 and an inclined supporting rod 122, and the supporting pad 130 includes a first supporting pad 131 and a second supporting pad 132. First supporting pad 131 with the relative interval setting of second supporting pad 132, first supporting pad 131 is provided with the mounting hole that runs through its thickness, the mounting hole is worn to be equipped with mounting 110, first supporting pad 131 with the first end rigid coupling of horizontal support pole 121. The second support pad 132 is fixedly connected to a first end of the inclined support rod 122, and a second end of the inclined support rod 122 is fixedly connected to a second end of the horizontal support rod 121.

Specifically, as shown in fig. 1, the first supporting pad 131 and the second supporting pad 132 are disposed at an interval, and the first supporting pad 131 and the second supporting pad 132 are respectively fixed to a first end of the horizontal supporting rod 121 and a first end of the inclined supporting rod 122, and a second end of the horizontal supporting rod 121 is fixed to a second end of the inclined supporting rod 122. The first support pad 131 is provided with a mounting hole penetrating the thickness thereof, and the first end of the fixing member 110 passes through the mounting hole and is fixedly coupled to the steel lining. The steel platform can be placed on the horizontal support bars 121 of the fixed support frame 120. As an example, as shown in fig. 1, a channel steel of a specification type of 100mm x 48mm x 5.3mm in height x width x thickness may be used for each of the horizontal support bar 121 and the inclined support bar 122, and the length of the horizontal support bar 121 may be set to 1.6m. The mounting hole provided to the first support pad 131 may be a through hole having a height x width of 52mm x 52 mm.

More preferably, as shown in fig. 1, the supporting frame 120 further includes a vertical supporting rod 123. The vertical support rod 123 is bridged between the horizontal support rod 121 and the inclined support rod 122. As an example, as shown in fig. 1, the vertical support rod 122 may be a channel steel of a specification of 100mm by 48mm by 5.3mm in height by width by thickness. Through setting up vertical support rod for the support frame has more stable triangle-shaped structure, and the support frame is whole can bear bigger pressure and not cause deformation damage.

The platform support fixing device for construction of the steel lining of the containment vessel of the nuclear power station is characterized in that the horizontal support rod, the inclined support rod, the first support pad, the second support pad and the vertical support rod are arranged, so that the support fixing device is more convenient to mount and dismount, the structure is simpler and more stable, and the quality of the steel lining body is less influenced.

More preferably, the included angle between the inclined supporting bar 122 and the horizontal supporting bar 121 ranges from 40 ° to 50 °. As an example, as shown in fig. 1, the inclined supporting rod 122 may be arranged at an angle of 45 ° with respect to the horizontal supporting rod 121, and the bracket fixing device has better stability.

More preferably, as shown in fig. 1, the mounting hole is located above the horizontal support bar 121. The mounting hole is arranged, so that the subsequent operations such as fixing, dismounting and the like can be facilitated.

Illustratively, as shown in fig. 2, the stent fixing device 100 further includes a blocking member 140, and the second end of the fixing member 110 is provided with a fixing hole penetrating the thickness thereof. The blocking member 140 is disposed through the fixing hole to fix the supporting frame 120 and the supporting pad 130 to the fixing block 110.

Preferably, as shown in fig. 2, the blocking member 140 includes a first blocking portion 141 and a second blocking portion 142. The first blocking portion 141 is disposed through the fixing hole, the second blocking portion 142 is overlapped above the fixing member 110, and an orthographic projection of the second blocking portion 142 on the fixing hole is located outside the fixing hole.

As an example, as shown in fig. 2, one end of the first blocking portion 141 is fixedly connected to the second blocking portion 142, and the other end of the first blocking portion 141 is inserted into the fixing hole. The second blocking portion 142 overlaps the fixing member 110. The size of the second blocking portion 142 is larger than that of the fixing hole, so that the second blocking portion 142 can be stably overlapped on the fixing member 110. As an example, as shown in fig. 2, the fixing holes may be circular holes with a diameter of 25mm, the first blocking portions 141 have a length of 50mm and are made of a rod shape with a diameter of 22mm of HRB400, and the second blocking portions 142 have a length of 50mm and are made of a block shape with a diameter of 22mm of HRB 400.

The platform support fixing device for the construction of the steel lining of the nuclear power station containment vessel can fix the support frame and the supporting pad on the fixing block more simply and conveniently through the blocking piece.

In another aspect of the present invention, as shown in fig. 3, a nuclear power plant containment steel lining construction system 200 is provided, which includes a steel lining 210, a construction platform, and a plurality of support fixing devices 100 as described above. The specific structure of the stent fixing device 100 can refer to the related description above, and is not described herein again. The first end of the fixing member 110 in each of the bracket fixing devices 100 is fixedly connected to the steel lining 210, and the construction platform is set up on the supporting frame 120 of each of the bracket fixing devices 110.

Further, a plurality of the stent fixing devices 100 are arranged at intervals in the circumferential direction of the steel liner 210.

Specifically, as shown in fig. 3, the first ends of the fixing members 110 of the plurality of support fixing devices 100 respectively penetrate through the corresponding support pads 130 and are fixedly connected to the circumferential direction of the steel lining 210 at intervals, and the construction platform may be set up on the plurality of support frames 120 to provide a working surface.

It should be noted that, all the fixing described herein may be accomplished by welding, and of course, fixing other than welding may also be accomplished, which is not limited in particular.

The nuclear power station containment steel lining construction system of this embodiment, steel lining, construction platform and a plurality of support fixing device through the cooperation setting can save the work load that the platform was set up in the construction and be convenient for installation and dismantlement, and it is little to steel lining body quality influence.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A platform support fixing device for construction of a steel lining of a containment vessel of a nuclear power station is characterized in that the support fixing device comprises a fixing piece, a support frame and a support pad;

the support frame is fixedly connected with one side of the support pad, which is far away from the first end of the fixing piece;

the supporting frame comprises a horizontal supporting rod and an inclined supporting rod, and the supporting pads comprise a first supporting pad and a second supporting pad;

first supporting pad with the relative interval of second supporting pad sets up, first supporting pad is provided with the mounting hole that runs through its thickness, the mounting hole is worn to be equipped with the mounting, first supporting pad with horizontal support bar's first end rigid coupling, the second supporting pad with the first end rigid coupling of slope support bar, slope support bar's second end with horizontal support bar's second end rigid coupling.

2. The platform bracket fixing device for the construction of the steel lining of the nuclear power station containment vessel as recited in claim 1, wherein the support frame further comprises a vertical support rod;

3. The platform support fixing device for the construction of the steel lining of the nuclear power station containment vessel as claimed in claim 1 or 2, wherein the included angle between the inclined support bar and the horizontal support bar ranges from 40 ° to 50 °.

4. The platform bracket fixing device for the construction of the steel lining of the nuclear power station containment vessel as claimed in claim 1 or 2, wherein the mounting hole is positioned above the horizontal support rod.

5. The platform bracket fixing device for the construction of the steel lining of the nuclear power station containment vessel as claimed in claim 1 or 2, wherein the bracket fixing device further comprises a blocking piece, and a second end of the fixing piece is provided with a fixing hole penetrating through the thickness of the fixing piece;

the blocking piece penetrates through the fixing hole so as to fix the supporting frame and the supporting pad on the fixing piece.

6. The platform bracket fixing device for the construction of the steel lining of the nuclear power station containment vessel according to claim 5, wherein the blocking piece comprises a first blocking part and a second blocking part;

7. A construction system of a steel lining of a containment vessel of a nuclear power plant, which is characterized by comprising the steel lining, a construction platform and a plurality of bracket fixing devices as claimed in any one of claims 1 to 6;

the first end of the fixing piece in each bracket fixing device is fixedly connected to the steel lining, and the construction platform is erected on the supporting frame of each bracket fixing device.

8. The nuclear power plant containment steel liner construction system of claim 7, wherein a plurality of the bracket fixing devices are arranged at intervals along a circumferential direction of the steel liner.