Converter station valve hall roof truss structure

Abstract

The utility model discloses a converter station valve hall roof truss structure, which relates to the technical field of roof truss structures and comprises supporting steel columns, dismounting units and arc-shaped steel trusses. The supporting steel column is arranged in an I shape, sockets are evenly arranged on the two sides of the bottom face of the arc-shaped steel truss, and the sockets are correspondingly connected with the top face of the supporting steel column in an inserted mode; the dismounting and mounting unit comprises fixing bolts, a mounting steel frame and a concrete plate, the mounting steel frame is mounted on the surface of the supporting steel column, the fixing bolts penetrate through through holes in the surface of the mounting steel frame and screw holes in the surface of the supporting steel column to be mounted in a threaded mode, and the side face of the mounting steel frame is correspondingly connected with the end of the concrete plate in a clamped mode; according to the converter station valve hall roof truss structure, the mounting steel frame is matched with the fixing bolts to conveniently disassemble and assemble the concrete slabs, meanwhile, the sockets are inserted into the supporting steel columns to conveniently mount the arc-shaped steel trusses, and the mounting stability of the roof truss structure can be improved through the V-shaped frames and the fixing steel bars.

Description

TECHNICAL FIELD

[0001] The utility model relates to roof truss structure technical field, concretely is a kind of valve hall roof truss structure of converter station. BACKGROUND

[0002] High-voltage direct-current converter station is the high-voltage direct-current system facility with rectifier station, inverter station function or simultaneously has rectifier station and inverter station function, is the basis of direct-current transmission.High-voltage direct-current converter station is important device of electric power operation activity, to promote the effective performance of electric power operation activity, to promote the rationalization design and construction of extra-high voltage direct-current converter station, promote the good performance of electric power engineering activity, guarantee the sustainable development of electric power industry have important role, the traditional roof truss structure is welded fixed, it is very inconvenient in installation and disassembly process, and fireproof isolation effect is poor, at the same time, roof is prone to appear the problem of upturn damage when encountering strong wind, for this purpose, a kind of valve hall roof truss structure of converter station is proposed. CONTENT OF UTILITY MODEL

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a valve hall roof truss structure of converter station, which is convenient for disassembling and assembling the concrete slab by installing the steel frame and fixing bolts, and the socket is inserted into the inside of the supporting steel column to facilitate the installation of the arc-shaped steel truss, the V-shaped frame and the fixing steel bar are arranged to increase the stability of the roof truss structure installation, and the problems in the background art can be effectively solved.

[0004] To achieve the above object, the utility model provides the following technical scheme: a valve hall roof truss structure of converter station, which comprises a supporting steel column, a disassembling and assembling unit and an arc-shaped steel truss.

[0005] The supporting steel column is arranged in an I-shaped manner, the two sides of the bottom surface of the arc-shaped steel truss are uniformly provided with sockets, and the sockets are correspondingly inserted into the top surface of the supporting steel column.

[0006] The disassembling and assembling unit comprises fixing bolts, a mounting steel frame and a concrete slab, the mounting steel frame is mounted on the surface of the supporting steel column, the fixing bolts are screwed into the screw holes on the surface of the supporting steel column through the through holes on the surface of the mounting steel frame, and the side surface of the mounting steel frame is correspondingly clamped with the end portion of the concrete slab.

[0007] Further comprising connecting bolts and V-shaped frames, the connecting bolts are screwed into the screw holes in the inside of the supporting steel column through the through holes in the inside of the sockets, and the V-shaped frames are uniformly distributed in the inside of the arc-shaped steel truss.

[0008] The socket is inserted into the inside of the supporting steel column, and the arc-shaped steel truss is fixed and installed by using the connecting bolts, and the mounting steel frame can be fixed by the fixing bolts, so that the concrete slab inserted into the inside of the mounting steel frame is matched with the supporting steel column to reduce the weight while improving the fireproof performance of the valve hall roof truss of the converter station, and the valve hall roof truss of the converter station has durability and crack resistance.

[0009] Furthermore, the disassembly and assembly unit also includes fixing holes, fireproof insulation cotton, and fixing reinforcing bars. The end of the fireproof insulation cotton is slidably installed with the side of the supporting steel column. The surface of the fireproof insulation cotton is evenly provided with insertion holes. The fixing holes are sequentially opened from top to bottom on the surface of the supporting steel column. The fixing reinforcing bars are inserted into the corresponding insertion holes on the surface of the fireproof insulation cotton through the fixing holes. The fireproof insulation cotton is a rock wool board. The fixing reinforcing bars are inserted into the insertion holes through the fixing holes to fix the fireproof insulation cotton, which can improve the fire resistance of the roof truss and the stability of the connection between the supporting steel columns.

[0010] Furthermore, the disassembly and assembly unit also includes locking holes, locking bolts, an adjusting plate, and an anti-detachment bracket. The adjusting plate is slidably installed with the through groove on the side of the arc-shaped steel truss. The screw holes on the surface of the adjusting plate are rotatably connected to the locking bolts. The locking holes are evenly opened on the top surface of the front and rear sides inside the arc-shaped steel truss. The locking holes are threadedly connected to the locking bolts. An anti-detachment bracket is fixed to the bottom end of the top surface of the adjusting plate. The adjusting plate is fixed by rotating the locking bolts and threading them into the locking holes. This allows the anti-detachment bracket to be stuck at the end of the roof protection panel, thus preventing the roof protection panel from overturning due to strong winds.

[0011] Furthermore, the assembly / disassembly unit also includes a support frame and a support groove. There are two support frames, which are respectively fixed to the surface of the support steel column. The support groove is opened at both ends of the rear side of the installed steel frame. The support groove is slidably installed with the support frame, and the support frame and the support groove are engaged to increase the stability of the installed steel frame.

[0012] Furthermore, it also includes a crossbeam mounting base and an extension crossbeam. There are two crossbeam mounting bases, which are respectively fixed on both sides of the bottom surface inside the arc-shaped steel truss. An extension crossbeam is bonded inside the crossbeam mounting base. The extension crossbeam inside the crossbeam mounting base facilitates the subsequent expansion and installation of different equipment or ventilation systems.

[0013] Furthermore, it also includes adhesive strips and protective plates. There are two adhesive strips, which are fixed to the surface of the concrete slab in a top-to-bottom correspondence. The outer side of the adhesive strip is bonded with a protective plate. The protective plate bonded to the adhesive strip can protect the supporting steel column and fireproof insulation cotton, thereby improving its service life.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This converter station valve hall roof truss structure has the following advantages:

[0015] 1. By installing concrete slabs inserted into the steel frame and supporting steel columns to reduce weight, and by using fixed steel bars inserted into the fixing holes to fix the fireproof insulation cotton, the fire resistance performance of the roof truss can be improved, and the stability of the connection between the supporting steel columns can also be improved.

[0016] 2, through the socket inserted into the support steel column and using the connecting bolt to fix the arc steel truss installation, while the support frame and support groove clamping to increase the stability of the installation steel frame, fixed bolt can be fixed installation steel frame, the concrete plate in the installation steel frame has good durability and crack resistance.

[0017] 3, by rotating the locking bolt and locking hole threaded connection to adjust the plate fixed, so that the anti-off frame can be clamped in the end of the roof guard plate, so as to prevent the roof guard plate from being affected by the wind and turning over. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the present application is shown in the figure;

[0019] Figure 2 The structure of the present application is shown in the figure; Figure 1 The structure of the present application is shown in the figure;

[0020] Figure 3 The structure of the present application is shown in the figure; Figure 1 The structure of the present application is shown in the figure.

[0021] In the figure: 1 support steel column, 2 disassembly unit, 21 fixed bolt, 22 installation steel frame, 23 concrete plate, 24 fixed hole, 25 fireproof isolation cotton, 26 fixed steel bar, 27 locking hole, 28 locking bolt, 29 adjusting plate, 210 anti-off frame, 211 support frame, 212 support groove, 3 arc steel truss, 4 socket, 5 connecting bolt, 6 V type frame, 7 beam mounting seat, 8 expansion beam, 9 adhesive strip, 10 guard plate. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] Please refer to Figures 1-3 The embodiment provides a technical scheme: a valve hall roof truss structure of a converter station, comprising a support steel column 1, a disassembly unit 2 and an arc steel truss 3.

[0024] The support steel column 1 is arranged in an I shape, and the bottom surface of the arc steel truss 3 is uniformly provided with sockets 4 corresponding to the top surface of the support steel column 1.

[0025] The disassembly unit 2 comprises a fixing bolt 21, a mounting steel frame 22 and a concrete plate 23, the mounting steel frame 22 is mounted on the surface of the supporting steel column 1, the fixing bolt 21 is screwed through the through hole on the surface of the mounting steel frame 22 and the screw hole on the surface of the supporting steel column 1, the side surface of the mounting steel frame 22 is correspondingly clamped with the end of the concrete plate 23, the disassembly unit 2 further comprises a fixing hole 24, fireproof isolation cotton 25 and a fixing steel bar 26, the end of the fireproof isolation cotton 25 is slidingly mounted with the side surface of the supporting steel column 1, the surface of the fireproof isolation cotton 25 is uniformly provided with a jack, the fixing hole 24 is sequentially arranged on the surface of the supporting steel column 1 from top to bottom, the fixing steel bar 26 is correspondingly inserted into the jack on the surface of the fireproof isolation cotton 25 through the fixing hole 24, the fireproof isolation cotton 25 is a rock wool board, the fixing steel bar 26 is inserted into the jack through the fixing hole 24 to fix the fireproof isolation cotton 25, which can improve the fireproof performance of the roof truss and the stability of the connection between the supporting steel columns 1, the disassembly unit 2 further comprises a locking hole 27, a locking bolt 28, an adjusting plate 29 and an anti-disengagement frame 210, the adjusting plate 29 is slidingly mounted with the through slot on the side surface of the arc-shaped steel truss 3, the screw hole on the surface of the adjusting plate 29 is rotationally connected with the locking bolt 28, the locking hole 27 is uniformly arranged on the top surface of the arc-shaped steel truss 3 on the front and back sides, the locking hole 27 is threadedly connected with the locking bolt 28, the anti-disengagement frame 210 is fixed on the bottom end of the top surface of the adjusting plate 29, the adjusting plate 29 is fixed by rotating the locking bolt 28 and threadedly connecting the locking hole 27, so that the anti-disengagement frame 210 is clamped on the end of the roof protection plate, which can prevent the roof protection plate from being affected by the strong wind and being turned over, the disassembly unit 2 further comprises a supporting frame 211 and a supporting groove 212, the supporting frame 211 has two and is fixed on the surface of the supporting steel column 1, the supporting groove 212 is arranged on the two ends of the rear side surface of the mounting steel frame 22, the supporting groove 212 is slidingly mounted with the supporting frame 211, and the supporting frame 211 is clamped with the supporting groove 212 to increase the stability of the mounting steel frame 22;

[0026] Wherein, it also includes connecting bolt 5 and V-shaped frame 6, connecting bolt 5 passes through the through hole inside the socket 4 and is screwed with the screw hole inside the support steel column 1, V-shaped frame 6 is uniformly distributed inside the arc-shaped steel truss 3, socket 4 is inserted into the inside of the support steel column 1 and is fixedly installed on the arc-shaped steel truss 3 using connecting bolt 5, and fixed bolt 21 can fix installation steel frame 22, and concrete slab 23 inserted into installation steel frame 22 is matched with the support steel column to reduce the weight and improve the fireproof performance of the valve hall roof truss of the converter station, and has durability and crack resistance, further comprising beam mounting seat 7 and expansion beam 8, beam mounting seat 7 is two and is fixed on the two sides of the bottom surface inside the arc-shaped steel truss 3, expansion beam 8 is bonded inside the beam mounting seat 7, and expansion beam 8 inside the beam mounting seat 7 facilitates subsequent expansion and installation of different equipment or ventilation systems, further comprising bonding strip 9 and protective plate 10, bonding strip 9 is two and is fixed on the surface of concrete slab 23 in a one-on-top-of-the-other manner, protective plate 10 is bonded to the outer side of bonding strip 9, and bonding strip 9 bonded protective plate 10 can protect support steel column 1 and fireproof insulation cotton 25, so as to improve the service life.

[0027] The working principle of the valve hall roof truss structure of the converter station is as follows: first, the support steel column 1 is connected with the foundation support, and the installation steel frame 22 is fixed using the fixed bolt 21, the concrete slab 23 is inserted into the inside of the installation steel frame 22, and the fireproof insulation cotton 25 is inserted into the inside of the support steel column 1, the fixed steel bar 26 is inserted into the insertion hole through the fixed hole 24 to fix the fireproof insulation cotton 25, so as to improve the fireproof performance of the roof truss and the stability of the connection between the support steel columns 1, thereby solving the problem of poor fireproof effect of the traditional valve hall roof truss of the converter station, then the socket 4 is inserted into the inside of the support steel column 1 and the arc-shaped steel truss 3 is fixedly installed using the connecting bolt 5, the V-shaped frame 6 can increase the stability of the arc-shaped steel truss 3, and the expansion beam 8 inside the beam mounting seat 7 facilitates subsequent expansion and installation of different equipment or ventilation systems, and also facilitates subsequent disassembly of the roof truss.

[0028] The above-mentioned is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A converter station valve hall roof truss structure, characterized in that: Support steel column (1), disassembly unit (2) and arc steel truss (3) are included; Support steel column (1) is arranged in I shape, the bottom surface of the arc steel truss (3) is uniformly provided with socket (4), the socket (4) is inserted with the top surface of support steel column (1) corresponding; Disassembly unit (2) includes fixed bolt (21), installation steel frame (22) and concrete slab (23), the installation steel frame (22) is installed on the surface of support steel column (1), the fixed bolt (21) is screwed with the screw hole of the surface of support steel column (1) through the through hole of installation steel frame (22), the side surface of installation steel frame (22) is correspondingly clamped with the end of concrete slab (23); Wherein, it further includes connecting bolt (5) and V-shaped frame (6), the connecting bolt (5) is screwed with the screw hole in the inside of support steel column (1) through the through hole in the inside of socket (4), and the V-shaped frame (6) is uniformly distributed in the inside of arc steel truss (3).

2. The converter station valve hall roof truss structure of claim 1, wherein: The disassembly unit (2) further includes fixing hole (24), fireproof isolation cotton (25) and fixed steel bar (26), the end of the fireproof isolation cotton (25) is slidably installed with the side surface of support steel column (1), the surface of the fireproof isolation cotton (25) is uniformly provided with a jack, the fixing hole (24) is sequentially provided on the surface of support steel column (1) from top to bottom, the fixed steel bar (26) is correspondingly inserted with the jack on the surface of the fireproof isolation cotton (25) through the fixing hole (24), and the fireproof isolation cotton (25) is rock wool board.

3. The converter station valve hall roof truss structure of claim 1, wherein: The disassembly unit (2) further includes locking hole (27), locking bolt (28), adjusting plate (29) and anti-disengagement frame (210), the adjusting plate (29) is slidably installed with the through slot of the side surface of arc steel truss (3), the screw hole in the surface of adjusting plate (29) is rotationally connected with locking bolt (28), the locking hole (27) is uniformly provided on the top surface of the inside of arc steel truss (3) on the front and back sides, the locking hole (27) is threadedly connected with locking bolt (28), and the bottom end of the top surface of adjusting plate (29) is fixed with anti-disengagement frame (210).

4. The converter station valve hall roof truss structure of claim 1, wherein: The disassembly unit (2) further includes support frame (211) and support groove (212), the support frame (211) is two and is fixed on the surface of support steel column (1) respectively, the support groove (212) is provided at both ends of the rear side surface of installation steel frame (22), and the support groove (212) is slidably installed with support frame (211).

5. The converter station valve hall roof truss structure of claim 1, wherein: It further includes beam mounting seat (7) and expansion beam (8), the beam mounting seat (7) is two and is fixed on the inside bottom surface of arc steel truss (3) respectively, and the expansion beam (8) is bonded in the inside of beam mounting seat (7).

6. The converter station valve hall roof truss structure of claim 1, wherein: It further includes bonding strip (9) and protective plate (10), the bonding strip (9) is two and is fixed on the surface of concrete slab (23) in a corresponding manner, and the outer side surface of bonding strip (9) is bonded with protective plate (10).

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