CN-121992890-A - Main transformer noise reduction firewall and construction method thereof

CN121992890ACN 121992890 ACN121992890 ACN 121992890ACN-121992890-A

Abstract

The invention discloses a main transformer noise reduction firewall and a construction method thereof, wherein the main transformer noise reduction firewall comprises at least two walls, a first H-shaped steel column and an adjustable steel column, wherein the at least two walls are used for reducing noise transmitted from a main transformer and also can be used for blocking fire spread at the main transformer, the first H-shaped steel column and the adjustable steel column are respectively spliced and arranged on two sides of the walls and are used for being matched with the walls to be installed and fixed, each wall is sequentially arranged between the first H-shaped steel column and the adjustable steel column from top to bottom, a round steel column is fixedly arranged at the top of each corresponding wall, and a connecting assembly is arranged at the bottom of each round steel column and the corresponding wall. The invention can realize the convenient operation of the splicing process, can rapidly and effectively complete the layer-by-layer assembly of the wall body, effectively improves the construction efficiency, and has simple structural design, the adaptability of the parts is strong, complex construction process and equipment are not needed, the assembly is convenient and the cost is controllable, the field construction scene of the transformer substation is adapted, and the later maintenance and the part replacement are convenient.

Inventors

HUANG SIFEN
ZHANG HAOHUA
XIE JIEGUANG
XUE JINFENG
LI YONGQUAN
YANG WENCHEN
LIN HUAIDE
ZHANG PENG
HUANG LINHAI
TONG YAO

Assignees

广东顺德电力设计院有限公司

Dates

Publication Date: 20260508
Application Date: 20260325

Claims (7)

1. A main transformer noise reduction firewall, comprising: at least two walls (1) for reducing noise transmitted from the main transformer and also for blocking the spread of fire at the main transformer; The first H-shaped steel columns (2) and the adjustable steel columns (3) are respectively spliced on two sides of the wall body (1) and are used for being matched with the wall body (1) to be installed and fixed, and the wall bodies (1) are sequentially arranged between the first H-shaped steel columns (2) and the adjustable steel columns (3) from top to bottom; The top of corresponding wall body (1) is fixed be provided with circular steel column (4), should circular steel column (4) and correspond the bottom of wall body (1) is provided with coupling assembling (5), coupling assembling (5) can make two upper and lower adjacent wall body (1) splice cooperation each other.
2. The main transformer noise reduction firewall and the construction method thereof according to claim 1, wherein the wall body (1) comprises a first outer wall (101) and a second outer wall (102), a plurality of through holes (103) are formed in the second outer wall (102), a mounting sleeve (104) is arranged between the first outer wall (101) and the second outer wall (102), a corresponding cavity is formed in the mounting sleeve (104), an acoustic board (105) is arranged in the cavity, and the external width of the acoustic board (105) is smaller than the internal width of the cavity; The top and the bottom of the mounting sleeve (104) are respectively concave and convex.
3. The main transformer noise reduction firewall and the construction method thereof according to claim 2, wherein the connecting assembly (5) comprises a first connecting sleeve (501) rotatably arranged on the corresponding round steel column (4), a connecting pin (502) is transversely arranged on the first connecting sleeve (501), a second connecting sleeve (503) is embedded in the bottom wall of the corresponding mounting sleeve (104) and the sound absorbing plate (105), and a thread groove (504) in sliding fit with the connecting pin (502) is formed in the inner wall of the second connecting sleeve (503).
4. The main transformer noise reduction firewall and the construction method thereof according to claim 3 are characterized in that rope penetrating holes (505) which can be mutually overlapped are formed in the round steel column (4) and the first connecting sleeve (501).
5. The main transformer noise reduction firewall and the construction method thereof according to claim 1, wherein the adjustable steel column (3) comprises a second H-shaped steel column (301), U-shaped steel columns (302) are slidably arranged on two sides of the second H-shaped steel column (301), the U-shaped steel columns (302) can be in clamping fit with the wall body (1), sliding grooves (303) are formed in the U-shaped steel columns (302) along the sliding direction of the U-shaped steel columns, and anti-falling pins which are slidably inserted into the sliding grooves (303) are arranged on the inner walls of the second H-shaped steel columns (301); The wall body structure further comprises a displacement adjusting assembly (6), wherein the displacement adjusting assembly (6) can drive the second H-shaped steel column (301) to displace along the arrangement direction of the sliding groove (303), and the adjustable steel column (3) is matched with the first H-shaped steel column (2) to limit the wall body (1).
6. The main transformer noise reduction firewall and the construction method thereof according to claim 5, wherein the displacement adjusting assembly (6) comprises two sliding blocks (601) which are arranged in the second H-shaped steel column (301), one side of each sliding block (601) close to the wall body (1) is provided with an inclined surface, the second H-shaped steel column (301) is provided with a containing sleeve (602), each sliding block (601) can penetrate through the second H-shaped steel column (301) and slide into the containing sleeve (602), the containing sleeve (602) is rotatably provided with a threaded column (603), two sections of external threads which are opposite in rotation direction are formed on each threaded column (603), and the two sections of external threads of each threaded column (603) are respectively in threaded fit with the two corresponding sliding blocks (601); rotating the threaded post (603) can drive the two interference blocks (601) to slide towards each other or away from each other.
7. A construction method of a main transformer noise reduction firewall, comprising the main transformer noise reduction firewall according to any one of claims 1 to 6, characterized by comprising the following steps: s1, positioning and paying off on site, fixedly mounting a first H-shaped steel column (2) according to a design size, arranging an adjustable steel column (3) corresponding to the first H-shaped steel column (2), ensuring that axes of two upright columns are parallel, and finishing preliminary positioning of the upright columns; S2, operating the displacement adjusting assembly (6), rotating the threaded column (603), driving the two abutting blocks (601) to slide along the storage sleeve (602) and separate from each other, driving the U-shaped steel column (302) to slide along the sliding groove (303) of the second H-shaped steel column (301), adjusting the distance between the adjustable steel column (3) and the first H-shaped steel column (2), and adapting the width of the wall body (1) and fixing; s3, hoisting the corresponding wall body (1) by using hoisting equipment, enabling two sides of the wall body (1) to be correspondingly clamped with the first H-shaped steel column (2) and the U-shaped steel column (302) of the adjustable steel column (3), arranging the bottom wall body (1) between the two vertical columns from top to bottom, and finishing preliminary fixing of the bottom wall body (1); S4, hanging the subsequent wall body (1), and splicing the upper wall body (1) and the lower wall body (1) through the connecting assembly (5), wherein the connecting pin (502) is aligned to the head end of the thread groove (504), the upper wall body (1) is lowered, the connecting pin (502) slides along the thread groove (504) and drives the first connecting sleeve (501) to rotate, the first connecting sleeve (501) is screwed into the second connecting sleeve (503), and the upper wall body (1) and the lower wall body (1) are fixed; S5, repeating the step S4, sequentially assembling the multi-layer wall body (1), and after each layer of multi-layer wall body is assembled, plugging a round steel column (4) at the top of the lower-layer wall body (1) to the top of the upper-layer wall body (1), and matching with the first H-shaped steel column (2) and the adjustable steel column (3) to realize positioning; s6, after the wall body (1) is assembled, the threaded column (603) is rotated again, the two abutting blocks (601) are driven to approach each other and abut against the U-shaped steel column (302), and the adjustable steel column (3) is locked, so that the two vertical columns limit and fix the wall body (1) together; S7, after the position of the U-shaped steel column (302) is fixed, if a gap exists between the U-shaped steel column and the second H-shaped steel column (301), filling an adaptation material into the gap; s8, mounting and checking the whole firewall structure, and completing construction after the checking is qualified.

Description

Main transformer noise reduction firewall and construction method thereof Technical Field The invention relates to the technical field of fireproof wallboards, in particular to a main transformer noise reduction firewall and a construction method thereof. Background The transformer substation is widely distributed at present as a core hub for power transmission, and the main transformer belongs to core equipment of the transformer substation, continuous noise can be generated in the operation process of the equipment, meanwhile, fire hidden danger exists when the main transformer is abnormal, and once the fire is extremely easy to cause fire to spread, therefore, a firewall with a noise reduction function is generally required to be arranged on the periphery of the main transformer to realize protection. The existing conventional main transformer firewall adopts a fixed reinforced concrete structure, or adopts common plates to match with fixed steel upright posts for splicing and forming, the wall body only has a single fireproof blocking function, and the partial noise reduction firewall also realizes foundation sound insulation only through simple plates. However, such a firewall is constructed by adopting a cast-in-place mode, the whole procedure is tedious, the prefabricated wallboard is adopted for production in advance, the on-site assembly is assisted by lifting equipment due to the large area and weight of the wall, the alignment and the assembly process are very inconvenient, the convenient positioning splicing structure is lacking, the efficient construction is difficult to realize, and the dual requirements of fireproof noise reduction and quick assembly cannot be met. Therefore, how to design a wall structure which has a simple structure and can be assembled and constructed in site with high efficiency is a problem to be solved by the personnel in the field. Disclosure of Invention The invention aims to overcome the defects at present and provide a main transformer noise reduction firewall and a construction method thereof, which have simple structure and can be assembled and constructed in site with high efficiency. In order to solve the technical problems, the invention adopts the following technical scheme that the main transformer noise reduction firewall comprises: at least two walls for reducing noise transmitted from the main transformer and also for blocking fire spread at the main transformer; the first H-shaped steel columns and the adjustable steel columns are respectively spliced on two sides of the wall body and are used for being matched with the wall body to be installed and fixed, and each wall body is sequentially arranged between the first H-shaped steel columns and the adjustable steel columns from top to bottom; The top of corresponding wall body is fixed to be provided with circular steel column, should circular steel column and correspond the bottom of wall body is provided with coupling assembling, coupling assembling can make two upper and lower adjacent wall bodies splice each other and cooperate. Further, the wall body comprises a first outer wall and a second outer wall, a plurality of through holes are formed in the second outer wall, a mounting sleeve is arranged between the first outer wall and the second outer wall, a corresponding cavity is formed in the mounting sleeve, an acoustic board is arranged in the cavity, and the external width of the acoustic board is smaller than the internal width of the cavity; the top and the bottom of the installation sleeve are respectively concave and convex. Further, the connecting assembly comprises a first connecting sleeve which is rotatably arranged on the corresponding round steel column, a connecting pin is transversely arranged on the first connecting sleeve, a second connecting sleeve is embedded in the bottom wall of the corresponding mounting sleeve and the sound absorbing plate, and a thread groove which is in sliding fit with the connecting pin is formed in the inner wall of the second connecting sleeve. Furthermore, the round steel column and the first connecting sleeve are respectively provided with a rope threading hole which can be mutually overlapped. Further, the adjustable steel column comprises a second H-shaped steel column, U-shaped steel columns are slidably arranged on two sides of the second H-shaped steel column, the U-shaped steel columns can be matched with a wall body in a clamping mode, a sliding groove is formed in the U-shaped steel column along the sliding direction of the U-shaped steel column, and an anti-drop pin which is slidably inserted into the sliding groove is arranged on the inner wall of the second H-shaped steel column; The device also comprises a displacement adjusting component which can drive the second H-shaped steel column to displace along the arrangement direction of the chute, and the adjustable steel column is matched with the first H-shaped steel column to limit the wall bod