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CN-224211442-U - Nuclear power station containment transportation deformation-preventing bracket

CN224211442UCN 224211442 UCN224211442 UCN 224211442UCN-224211442-U

Abstract

The utility model relates to the technical field of nuclear power stations, in particular to a deformation-preventing bracket for transportation of a containment vessel of a nuclear power station. The anti-deformation bracket for the containment transportation of the nuclear power station comprises a truss and supporting pad frames, wherein the truss comprises a plurality of main frame bodies, the plurality of main frame bodies are sequentially connected in an end-to-end surrounding mode to form a main frame, the supporting pad frames are arranged in a plurality of mode, the plurality of supporting pad frames are arranged at intervals and are sequentially connected through the main frame, a first lifting lug is arranged on one main frame body of two adjacent main frame bodies, a second lifting lug is arranged on the other main frame body, and after the first lifting lug is matched with the second lifting lug, the two lifting lugs are connected through a first pin shaft, one of the first lifting lug and the second lifting lug is a single-side lifting lug, and the other one of the first lifting lug and the second lifting lug is a double-side lifting lug. The utility model provides a deformation-preventing bracket for transportation of a containment vessel of a nuclear power station, which is used for preventing the containment vessel from deforming in the transportation process.

Inventors

  • WANG JIANHUA
  • YAN ANGANG
  • Hong Jiandang
  • HU XIAOBO
  • Fu Leichong
  • XU HONGXIA
  • GUO GUANGSHENG

Assignees

  • 中国核工业二三建设有限公司
  • 山东理工大学

Dates

Publication Date
20260508
Application Date
20250430

Claims (10)

  1. 1. The anti-deformation bracket for the transportation of the containment vessel of the nuclear power station is characterized by comprising a truss (1) and a supporting pad frame (2) which is used for being fixed on a transportation vehicle; The truss (1) comprises a plurality of main frame bodies (11), wherein the plurality of main frame bodies (11) are sequentially connected in a head-tail surrounding mode to form a main frame, the plurality of support cushion frames (2) are arranged at intervals, and the plurality of support cushion frames (2) are sequentially connected through the main frame; In two adjacent main frame bodies (11), a first lifting lug (31) is arranged on one main frame body (11), a second lifting lug (32) is arranged on the other main frame body (11), and the first lifting lug (31) is connected with the second lifting lug (32) through a first pin shaft (33) after being matched, wherein one of the first lifting lug (31) and the second lifting lug (32) is a single-side lifting lug, and the other is a double-side lifting lug.
  2. 2. The nuclear power plant containment transportation deformation-preventing bracket according to claim 1, wherein the truss (1) further comprises a first lock catch (34), and the first pin (33) is locked by the first lock catch (34) after connecting the first lifting lug (31) and the second lifting lug (32).
  3. 3. The nuclear power plant containment transportation deformation-preventing bracket according to claim 1, wherein the main frame is of a polygonal structure, the number of corners of the main frame is identical to the number of the supporting pad frames (2), and a plurality of the supporting pad frames (2) are connected to the corners of the main frame in a one-to-one correspondence.
  4. 4. A nuclear power plant containment transportation deformation-preventing bracket according to claim 3, wherein the truss (1) further comprises a reinforcing frame (12), and two ends of the reinforcing frame (12) are respectively connected between two adjacent edge structures of the main frame.
  5. 5. The nuclear power plant containment transportation deformation-preventing bracket as recited in claim 4, wherein a plurality of the reinforcing frames (12) are provided, and a plurality of the reinforcing frames (12) are provided at respective corners of the main frame in one-to-one correspondence.
  6. 6. The nuclear power plant containment transportation deformation-preventing bracket according to claim 4, wherein the main frame body (11) and/or the reinforcing frame (12) is made of square or round pipes.
  7. 7. The nuclear power plant containment transportation deformation-preventing bracket according to claim 4, wherein a third lifting lug (41) is arranged on the reinforcing frame (12), a fourth lifting lug (42) is arranged on the main frame body (11) of the main frame, the third lifting lug (41) is connected with the fourth lifting lug (42) through a second pin shaft after being matched with the fourth lifting lug (42), and one of the third lifting lug (41) and the fourth lifting lug (42) is a single-side lifting lug, and the other is a double-side lifting lug.
  8. 8. The nuclear power plant containment transportation deformation-preventing bracket according to claim 7, wherein the truss (1) further comprises a second lock catch, and the second pin is locked by the second lock catch after connecting the third lifting lug (41) and the fourth lifting lug (42).
  9. 9. A nuclear power plant containment transportation deformation-preventing bracket as claimed in claim 3, wherein the main frame is of a quadrilateral structure, the number of the supporting pad frames (2) is four, and the four supporting pad frames (2) are respectively arranged at four corners of the main frame.
  10. 10. The containment transportation deformation-preventing bracket as claimed in any one of claims 1 to 9, wherein the support cushion frame (2) comprises a plurality of cushion plates, the plurality of cushion plates are sequentially spliced along the thickness direction of the cushion plates to form a support surface, and the main frame is connected to the support surface.

Description

Nuclear power station containment transportation deformation-preventing bracket Technical Field The utility model relates to the technical field of nuclear power stations, in particular to a deformation-preventing bracket for transportation of a containment vessel of a nuclear power station. Background Currently, a containment vessel is used as an important protective barrier of a nuclear reactor in nuclear power station construction, and the construction and transportation process of the containment vessel has extremely high requirements on safety and accuracy. The containment of the AP series nuclear power station adopts a modularized construction technology, the large-scale steel component of the containment is divided into a plurality of modules for manufacturing, transporting and assembling, the modules comprise a bottom head, a cylinder (a plurality of sections) and a top head, and final assembling is realized through hoisting and welding. Such modular construction techniques can significantly improve construction efficiency, but also present challenges in the transportation link. Because the containment vessel is of a thin-wall structure, the local rigidity is low, and the containment vessel is easy to deform under the action of external force in the transportation process. Generally, the containment module uses 4 transport vehicle groups to transport, however, in the process of jacking, walking and turning of the transport vehicle groups, due to the fact that the operation among the vehicle groups is asynchronous, relative displacement is very easy to occur among the transport vehicle groups, structural deformation or damage of the containment is further caused, the difficulty of assembling the containment is increased due to the deformation, and final strength and functions of the containment are possibly influenced. Therefore, the whole transportation of the containment vessel by adopting the complete module is imperative, however, how to improve the rigidity of the containment vessel in the transportation process and prevent the deformation of the containment vessel in the transportation process becomes a problem to be solved urgently at present. Disclosure of utility model The utility model aims to provide a nuclear power station containment vessel transportation deformation-preventing bracket, which is used for at least preventing the containment vessel from deforming in the transportation process. In view of the above, the present utility model provides a nuclear power plant containment transportation deformation-preventing bracket including a truss and a support bracket for being fixed on a transport vehicle; The truss comprises a plurality of main frame bodies, wherein the plurality of main frame bodies are sequentially connected in a head-to-tail surrounding manner to form a main frame; One of the two adjacent main frame bodies is provided with a first lifting lug, the other main frame body is provided with a second lifting lug, the first lifting lug is matched with the second lifting lug and then connected through a first pin shaft, one of the first lifting lug and the second lifting lug is a single-side lifting lug, and the other is a double-side lifting lug. Further, the truss further comprises a first lock catch, and after the first pin shaft is connected with the first lifting lug and the second lifting lug, the truss is locked through the first lock catch. Further, the main frame is of a polygonal structure, the number of corners of the main frame is consistent with that of the supporting pad frames, and the supporting pad frames are connected to the corners of the main frame in a one-to-one correspondence manner. Further, the truss further comprises a reinforcing frame, and two ends of the reinforcing frame are respectively connected between two adjacent edge structures of the main frame. Further, the reinforcing frames are arranged in a plurality, and the reinforcing frames are arranged at the corners of the main frame in a one-to-one correspondence mode. Further, the main frame body and/or the reinforcing frame is made of square tubes or round tubes. Further, a third lifting lug is arranged on the reinforcing frame, a fourth lifting lug is arranged on the main frame body of the main frame, and the third lifting lug is connected with the fourth lifting lug through a second pin shaft after being matched with the fourth lifting lug, wherein one of the third lifting lug and the fourth lifting lug is a single-side lifting lug, and the other of the third lifting lug and the fourth lifting lug is a double-side lifting lug. Further, the truss further comprises a second lock catch, and the second pin shaft is connected with the third lifting lug and the fourth lifting lug and then locked through the second lock catch. Further, the main frame is in a quadrilateral structure, the number of the supporting pad frames is four, and the four supporting pad frames are respectively arranged at four