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

Abstract

The utility model provides a platform bracket fixing device and a construction system for the construction of the containment steel lining of a nuclear power plant. The bracket fixing device includes a fixing part, a supporting frame and a supporting pad; the first end of the fixing part passes through the supporting pad. And it is used to be fixed to the steel lining; the support frame is fixed to the side of the support pad away from the first end of the fixing member. Through the provided fixing parts, support frames and support pads, the erection workload can be saved, and the manufacture is simple and the operation is convenient. The construction system includes a steel lining, a construction platform, and a plurality of bracket fixing devices; the first end of the fixing piece in each bracket fixing device is affixed to the steel lining, and the construction platform is erected on each The support frame of the bracket fixing device. The construction system is convenient to set up, can save workload and has little impact on the quality of the steel lining body.

Description

Platform bracket fixing device and construction system for steel lining construction of nuclear power plant containment

technical field

The utility model belongs to the technical field of bracket fixing devices, in particular to a platform bracket fixing device and a construction system for nuclear power plant containment steel lining construction.

Background technique

In the construction process of nuclear power plant containment steel lining, in order to speed up the construction progress, modular construction is usually adopted, that is, every two sections are assembled into a circular cylinder and then hoisted and installed. This requires construction at a height of nearly 10m, so a ring-shaped steel platform must be built on the inside and outside of the steel lining. In the past, scaffolding was used to build the platform or the platform was built by welding triangular supports on the inner side of the steel lining; The two contact points are welded to the steel lining body, which affects the quality of the steel lining body and is inconvenient to disassemble.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a platform bracket fixing device and a construction system for the construction of the containment steel lining of a nuclear power plant.

One aspect of the present utility model provides a platform bracket fixing device for the steel lining construction of the nuclear power plant containment, the bracket fixing device includes a fixing piece, a support frame and a support pad;

The first end of the fixing member passes through the support pad and is used to be fixed to the steel lining;

The support frame is fixedly connected to a side of the support pad away from the first end of the fixing member.

Optionally, the support frame includes a horizontal support bar and an inclined support bar, and the support pad includes a first support pad and a second support pad;

The first support pad and the second support pad are arranged at intervals relative to each other, the first support pad is provided with a mounting hole through its thickness, the mounting hole is pierced with the fixing member, and the first support pad It is affixed to the first end of the horizontal support bar, the second support pad is affixed to the first end of the inclined support bar, and the second end of the inclined support bar is connected to the second end of the horizontal support bar. fixed end.

Optionally, the support frame also includes a vertical support rod;

The vertical support rod bridges the horizontal support rod and the inclined support rod.

Optionally, the included angle between the inclined support rod and the horizontal support rod ranges from 40° to 50°.

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

Optionally, the bracket fixing device further includes a blocking member, and the second end of the fixing member is provided with a fixing hole through its thickness;

The blocking member passes through the fixing hole to fix the support frame and the support pad to the fixing block.

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

The first blocking portion passes through the fixing hole, the second blocking portion overlaps the fixing member, and the orthographic projection of the second blocking portion on the fixing hole falls on the fixing hole. outside the hole.

Another aspect of the present utility model provides a nuclear power plant containment steel lining construction system, including a steel lining, a construction platform, and a plurality of bracket fixing devices as described above;

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 support frame of each bracket fixing device.

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

The platform bracket fixing device for nuclear power plant containment steel lining construction of the embodiment of the utility model can save the installation workload through the set fixing parts, support frame and support pad, and is simple to manufacture and easy to operate. The nuclear power plant containment steel lining construction system of the embodiment of the utility model is convenient to set up, can save workload and has little impact on the quality of the steel lining body.

Description of drawings

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

Fig. 2 is another embodiment of the utility model of a nuclear power plant containment steel lining construction platform bracket fixing device for the cooperation schematic diagram of the fixing parts and blocking parts;

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

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIG. 1 , a platform bracket fixing device 100 for the construction of the containment steel lining of a nuclear power plant, the bracket fixing device 100 includes a fixing part 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 for being fixed to the steel lining. The support frame 120 is fixedly connected to a side of the support pad 130 away from the first end of the fixing member 110 .

Specifically, the first end of the fixing member 110 passes through the supporting pad 130 and is affixed to the steel lining, and the supporting frame 130 is affixed to the side of the supporting pad 130 away from the first end of the fixing member 110 . It should be noted that the above-mentioned fastening can be accomplished by welding, and of course, other fastening methods other than welding can also be used to complete the fastening, which is not specifically limited in this embodiment. The steel platform can be erected on the fixed support frame 120 to provide a working surface. As an example, as shown in Figure 1, the model specification of the fixing part 110 can be set as a Q265HR steel plate with a height × width × length of 50mm × 50mm × 40mm, and the specification of the support pad 130 can be set as a height × width × thickness of 100mm × 100mm×6mm.

The platform bracket fixing device for the construction of the nuclear power plant containment steel lining in this embodiment is fixed to the steel lining with a fixing piece that passes through the support pad, and the support frame is fixed to the side of the support pad that is away from the first end of the fixing piece. The steel platform can be erected on the supporting frame. The platform bracket fixing device for the construction of the steel lining of the containment of the nuclear power plant can save the workload of erection, has a simple structure, is convenient to manufacture, is more convenient to install and disassemble, and has less impact on the quality of the steel lining body.

Preferably, as shown in FIG. 1 , the support frame 120 includes a horizontal support bar 121 and an inclined support bar 122 , and the support pad 130 includes a first support pad 131 and a second support pad 132 . The first support pad 131 and the second support pad 132 are arranged at intervals relative to each other, the first support pad 131 is provided with a mounting hole through its thickness, and the mounting hole is pierced with the fixing member 110 , the The first support pad 131 is fixedly connected to the first end of the horizontal support rod 121 . The second support pad 132 is fixedly connected to the first end of the inclined support rod 122 , and the second end of the inclined support rod 122 is fixedly connected to the second end of the horizontal support rod 121 .

Specifically, as shown in Figure 1, the first support pad 131 and the second support pad 132 are relatively spaced apart, and the first support pad 131 and the second support pad 132 are connected to the first end of the horizontal support bar 121 and the inclined support bar respectively. The first end of 122 is fixedly connected, and the second end of the horizontal support rod 121 is fixedly connected with the second end of the inclined support rod 122 . An installation hole runs through the thickness of the first support pad 131 , and the first end of the fixing member 110 passes through the installation hole and is fixed on the steel lining. The steel platform can be erected on the horizontal support bar 121 of the fixed supporting frame 120 . As an example, as shown in Figure 1, both the horizontal support bar 121 and the inclined support bar 122 can adopt the channel steel of the specifications and models whose height * width * thickness is 100mm * 48mm * 5.3mm, and the length of the horizontal support bar 121 can be set It is 1.6m. The installation hole provided on the first support pad 131 may be a through hole with a height×width of 52mm×52mm.

More preferably, as shown in FIG. 1 , the support frame 120 further includes a vertical support rod 123 . The vertical support bar 123 bridges the horizontal support bar 121 and the inclined support bar 122 . As an example, as shown in FIG. 1 , the vertical support bar 122 can be a channel steel with a specification of 100mm×48mm×5.3mm in height×width×thickness. By arranging the vertical support rods, the support frame has a more stable triangular structure, and the support frame as a whole can bear greater pressure without being deformed and damaged.

The platform bracket fixing device for the construction of the containment steel lining of the nuclear power plant in this embodiment, through the horizontal support bar, the inclined support bar, the first support pad, the second support pad and the vertical support bar, the bracket fixing device is installed and The disassembly is more convenient, the structure is simpler and more stable, and the impact on the quality of the steel lining body is smaller.

More preferably, the included angle between the inclined support bar 122 and the horizontal support bar 121 ranges from 40° to 50°. As an example, as shown in FIG. 1 , the angle between the inclined support rod 122 and the horizontal support rod 121 can be set to be 45°, and the bracket fixing device at this time has better stability.

More preferably, as shown in FIG. 1 , the installation hole is located above the horizontal support rod 121 . The mounting holes provided in this way can facilitate follow-up operations such as fixing and dismounting.

Exemplarily, as shown in FIG. 2 , the stent fixing device 100 further includes a blocking member 140 , and a second end of the fixing member 110 is provided with a fixing hole extending through its thickness. The blocking member 140 passes 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 passes through the fixing hole, the second blocking portion 142 overlaps the fixing member 110 , and the orthographic projection of the second blocking portion 142 on the fixing hole falls 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 passed through the fixing hole. The second blocking portion 142 overlaps above 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 Figure 2, the fixing hole can be set as a round hole of ф25mm, the first blocking part 141 is a ф22mm rod shape with a length of 50mm, and the material is HRB400, and the second blocking part 142 is 50mm in length, and the material is HRB400 ф22mm block.

In the platform bracket fixing device for the construction of the containment steel lining of the nuclear power plant in this embodiment, the supporting frame and the supporting pad can be fixed to the fixing block more simply and conveniently through the provided blocking member.

Another aspect of the present invention, as shown in FIG. 3 , provides a nuclear power plant containment steel lining construction system 200, including a steel lining 210, a construction platform, and a plurality of bracket fixing devices 100 as described above. For the specific structure of the stent fixing device 100 , reference may be made to the relevant records above, and details will not be repeated here. The first end of the fixing member 110 in each bracket fixing device 100 is fixedly connected to the steel lining 210 , and the construction platform is built on the support frame 120 of each bracket fixing device 110 .

Further, a plurality of bracket fixing devices 100 are arranged at intervals along the circumference of the steel lining 210 .

Specifically, as shown in FIG. 3 , the first ends of the fixing parts 110 of the plurality of bracket fixing devices 100 respectively pass through the corresponding supporting pads 130 and are fixed to the circumferential direction of the steel lining 210 at intervals, and the construction platform can be erected on multiple A support frame 120 is provided to provide a working surface.

It should be noted that all the fastening described herein can be accomplished by welding, and of course, other fastening methods other than welding can also be used to complete the fastening, which is not specifically limited.

The nuclear power plant containment steel lining construction system of this embodiment, through the steel lining, construction platform and multiple bracket fixing devices, can save the workload of construction and erection of the platform, facilitate installation and disassembly, and have little impact on the quality of the steel lining body.

It can be understood that, the above embodiments are only exemplary embodiments adopted to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present utility model, and these variations and improvements are also regarded as the protection scope of the present utility model.

Claims (8)

1. A platform bracket fixing device for nuclear power plant containment steel lining construction, characterized in that, said bracket fixing device includes a fixture, a support frame and a support pad; The first end of the fixing member passes through the support pad and is used to be fixed to the steel lining; The support frame is affixed to the side of the support pad away from the first end of the fixing member; The support frame includes a horizontal support rod and an inclined support rod, and the support pad includes a first support pad and a second support pad; The first support pad and the second support pad are arranged at intervals relative to each other, the first support pad is provided with a mounting hole through its thickness, the mounting hole is pierced with the fixing member, and the first support pad It is affixed to the first end of the horizontal support bar, the second support pad is affixed to the first end of the inclined support bar, and the second end of the inclined support bar is connected to the second end of the horizontal support bar. fixed end. 2. The platform bracket fixing device for nuclear power plant containment steel lining construction according to claim 1, wherein the support frame also includes a vertical support rod; The vertical support rod bridges the horizontal support rod and the inclined support rod. 3. The platform bracket fixing device for nuclear power plant containment steel lining construction according to claim 1 or 2, characterized in that the angle range between the inclined support rod and the horizontal support rod is 40° to 50° . 4. The platform bracket fixing device for nuclear power plant containment steel lining construction according to claim 1 or 2, characterized in that the installation hole is located above the horizontal support bar. 5. The platform bracket fixing device for nuclear power plant containment steel lining construction according to claim 1 or 2, characterized in that, the bracket fixing device also includes a blocking member, and the second end of the fixing member is provided with a the fixing hole; The blocking member is passed through the fixing hole to fix the supporting frame and the supporting pad to the fixing member. 6. The platform bracket fixing device for nuclear power plant containment steel lining construction according to claim 5, characterized in that, the blocking member includes a first blocking portion and a second blocking portion; The first blocking portion passes through the fixing hole, the second blocking portion overlaps the fixing member, and the orthographic projection of the second blocking portion on the fixing hole falls on the fixing hole. outside the hole. 7. A nuclear power plant containment steel lining construction system, characterized in that it comprises a 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 support frame of each bracket fixing device. 8. The nuclear power plant containment steel lining construction system according to claim 7, characterized in that, a plurality of said bracket fixing devices are arranged at intervals along the circumferential direction of said steel lining.

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