CN109524907B - Combined support frame for ground assembly of series compensation platform and construction method - Google Patents
Combined support frame for ground assembly of series compensation platform and construction method Download PDFInfo
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- CN109524907B CN109524907B CN201811351152.0A CN201811351152A CN109524907B CN 109524907 B CN109524907 B CN 109524907B CN 201811351152 A CN201811351152 A CN 201811351152A CN 109524907 B CN109524907 B CN 109524907B
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- top plate
- series compensation
- support frame
- compensation platform
- leveling device
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- 238000010276 construction Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a combined support frame for assembling a series compensation platform on the ground and a construction method, wherein the support frame is of a square frame structure, the central part of a top plate is provided with a central hole, 4 upright posts are arranged at 4 angular positions between a bottom plate and the top plate, a leveling device is arranged at the central position of the bottom plate and is arranged on a clamping seat, and the top of the leveling device penetrates through the central hole of the top plate; the support frame is arranged below the main beam of the series compensation platform to level the main beam. The invention has the beneficial effects that: reducing the horizontal height error of ground assembly of the series compensation platform; the ground assembly of the series compensation platform saves time and labor, and improves the working efficiency; the safety of ground assembly of the series compensation platform is improved.
Description
Technical Field
The invention belongs to the technical field of installation and construction of electrical equipment of a transformer substation, relates to installation of a series compensation platform of a series compensation device, and particularly relates to a combined support frame for ground assembly of the series compensation platform and a construction method.
Background
The series compensation device comprises a series compensation platform, a series compensation platform supporting system, a capacitor bank, a metal oxide voltage limiter (MOV), a spark GAP (GAP), a damping device, a bypass switch, an isolating switch and other equipment, wherein the equipment is arranged on the series compensation platform except the bypass switch and the isolating switch.
Taking the basic structure of the 750kV series compensation device as an example, the length of the 750kV series compensation platform is 17 meters, the width is 10 meters, the height is 10 meters, the highest point of the equipment is 19 meters to the ground, and the total weight is about 92 tons, wherein the weight of the series compensation platform (including the equipment support on the platform) is about 30 tons, and the total weight of the equipment on the series compensation platform is about 65 tons.
The series compensation device steel structure platform (series compensation platform) is a carrier for mounting and operating electrical equipment of the series compensation device, and the mounting quality of the series compensation platform plays an important role in the safe and reliable operation of the series compensation device. Meanwhile, the series compensation platform and the supporting system thereof are complex, and the series compensation platform is large in size, so that the horizontal height error is strictly controlled to be not more than 2mm in the ground assembling process.
The series compensation platform is a plane frame structure formed by connecting three longitudinal main beams and a plurality of transverse auxiliary beams, and has large overall dimension and heavy weight; the support is arranged in the air with a certain height from the ground and is supported by a plurality of pairs of post insulators and diagonal tension insulators.
When the series compensation platform ground is assembled, the prior art is that the road timber is put in the assembly place, puts the girder on the road timber, has 3 ~ 4 strong points below every girder to leave 500mm height. The method wastes time and labor for transportation and placement of the road trees and has large error during horizontal height adjustment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a construction method for ground assembly of a series compensation platform, and solves the technical problems that the transportation and placement of the road blocks are time-consuming and labor-consuming, and the horizontal height adjustment error is large in the prior art.
The technical scheme of the invention is as follows: the utility model provides a combination support frame for assembling on cluster benefit platform ground which characterized in that: the supporting frame (1) is of a square frame structure, a central hole (106) is formed in the central part of a top plate (103), 4 upright posts (102) are installed at a 4-angle position between a bottom plate (101) and the top plate (103), a clamping seat (105) is arranged at the central position of the bottom plate (101), a leveling device (104) is installed at the central position between the bottom plate (101) and the top plate (103), the bottom of the leveling device (104) is arranged in the clamping seat (105), and the top of the leveling device (104) penetrates through the central hole (106) of the top plate (103); the series compensation platform (2) is provided with 3 main beams (201) and 10-17 auxiliary beams (202), and the support frame (1) is arranged below the main beams (201);
the bottom plate (101) and the top plate (103) are made of a whole plate;
the height of the support frame (1) is 500 mm.
A construction method of a combined support frame for assembling a series compensation platform ground comprises the following steps:
s01, cleaning an assembly site near the foundation of the series compensation platform (2), wherein the ground is required to be flat and solid, and the area of the site is larger than the installation working area of the series compensation platform (2);
s02, placing 12 support frames (1) in an assembly place, arranging 4 support frames (1) under each girder (201), placing the 4 support frames (1) to avoid places where the lower surfaces of the girders (201) work, wherein the height of each support frame (1) is 500mm, and the lower surfaces of the girders (201) are convenient to install;
s03, placing the leveling device (104) in a clamping seat (105) of the support frame (1), and checking that the top of the leveling device (104) passes through a central hole (106) of the top plate (103) and is flush with the upper surface of the top plate (103);
s04, placing the main beams (201) on the support frame (1), adjusting the distance between the 3 main beams (201) and aligning the main beams (201);
s05, adjusting the levelness of the main beams (201), checking a supporting point with low levelness, lifting the leveling device (104) to enable the leveling device to be higher than the upper surface of the top plate (103), enabling the position with low levelness to be lifted, leveling the main beams (201), and enabling the horizontal error of each main beam (201) to be not more than 2 mm;
s06, after the serial compensation platform (2) is leveled, a gasket with the thickness of 1-2 mm is inserted between the main beam (201) and the top plate (103) to prevent the main beam (201) from shaking;
s07, mounting auxiliary beams (202), wherein the number of the auxiliary beams (202) is 13, the auxiliary beams (202) are connected with the main beam (201) through bolts, and the diagonal length of the platform is measured and adjusted to be equal to the length of the two diagonal lines; and after the adjustment is finished, the fastening bolts finish the installation of the main beam and the auxiliary beam.
The invention has the beneficial effects that:
1. reducing the horizontal height error of ground assembly of the series compensation platform;
2. the ground assembly of the series compensation platform saves time and labor, and improves the working efficiency;
3. the safety of ground assembly of the series compensation platform is improved.
Drawings
FIG. l is a front view of the support frame.
Fig. 2 is a top view of the support frame.
Fig. 3 is a layout view of the combination support under the main beam of the series compensation platform.
In the figure: 1. the device comprises a support frame, 101, a bottom plate, 102, upright columns, 103, a top plate, 104, a leveling device, 105, a clamping seat, 106 and a central hole; 2. a series compensation platform, 201, a main beam, 202 and an auxiliary beam.
Detailed Description
Embodiment 1, as shown in fig. 1 to 3, the present invention provides a combined supporting frame for ground assembly of a series compensation platform, wherein: the supporting frame (1) is of a square frame structure, a central hole (106) is formed in the central part of a top plate (103), 4 upright posts (102) are installed at a 4-angle position between a bottom plate (101) and the top plate (103), a clamping seat (105) is arranged at the central position of the bottom plate (101), a leveling device (104) is installed at the central position between the bottom plate (101) and the top plate (103), the bottom of the leveling device (104) is arranged in the clamping seat (105), and the top of the leveling device (104) penetrates through the central hole (106) of the top plate (103); the series compensation platform (2) is provided with 3 main beams (201) and 13 auxiliary beams (202), and the support frame (1) is arranged below the main beams (201);
the bottom plate (101) and the top plate (103) are made of a whole plate;
the height of the support frame (1) is 500 mm.
Embodiment 2, as shown in fig. 3, the present invention provides a construction method of a combined support frame for ground assembly of a series compensation platform, including the following steps:
s01, cleaning an assembly site near the foundation of the series compensation platform (2), wherein the ground is required to be flat and solid, and the area of the site is larger than the installation working area of the series compensation platform (2);
s02, placing 12 support frames (1) in an assembly place, arranging 4 support frames (1) under each girder (201), placing the 4 support frames (1) to avoid places where the lower surfaces of the girders (201) work, wherein the height of each support frame (1) is 500mm, and the lower surfaces of the girders (201) are convenient to install;
s03, placing the leveling device (104) in a clamping seat (105) of the support frame (1), and checking that the top of the leveling device (104) passes through a central hole (106) of the top plate (103) and is flush with the upper surface of the top plate (103);
s04, placing the main beams (201) on the support frame (1), adjusting the distance between the 3 main beams (201) and aligning the main beams (201);
s05, adjusting the levelness of the main beams (201), checking a supporting point with low levelness, lifting the leveling device (104) to enable the leveling device to be higher than the upper surface of the top plate (103), enabling the position with low levelness to be lifted, leveling the main beams (201), and enabling the horizontal error of each main beam (201) to be not more than 2 mm;
s06, after the serial compensation platform (2) is leveled, a gasket with the thickness of 1-2 mm is inserted between the main beam (201) and the top plate (103) to prevent the main beam (201) from shaking; mounting a ball joint (ball head) and a diagonal insulator connecting hardware fitting on corresponding positions of a main beam (201); checking the error between the distance between the ball nodes on the main beam (201) and the distance between the post insulators;
s07, mounting auxiliary beams (202), wherein the number of the auxiliary beams (202) is 13, the auxiliary beams (202) are connected with the main beam (201) through bolts, and the diagonal length of the platform is measured and adjusted to be equal to the length of the two diagonal lines; mounting the outermost auxiliary beam and the middle auxiliary beam (two auxiliary beams), measuring the length of the diagonal line of the platform, adjusting the length of the diagonal line to be equal to the length of the diagonal line as much as possible, and fastening the bolt to a required torque value after the adjustment is finished; the other auxiliary beams are installed (the equipment installation holes on the auxiliary beams are different and need to be carefully checked during installation), the installation sequence is noticed, the small auxiliary beams are firstly assembled when the two auxiliary beams are connected in parallel, and the bolts are not required to be fastened at the moment. After the small auxiliary beams are spliced, fastening the bolts to the required torque value; completing the installation of the main beam (201) and the auxiliary beam (202);
s08, mounting a bus and an equipment bracket on the series compensation platform, and fastening a bolt to a torque value required by a platform mounting drawing; because a plurality of straight-through current transformers are arranged on the low-voltage bus side pipe bus, when a bus support is installed, axial errors and height errors among the low-voltage bus supports need to be specially corrected, and the error value is within 2 mm;
s09, installing a cable groove box, and fastening a bolt to a torque value required by a platform installation drawing; and laying steel grating plates except for the hoisting points on the series compensation platform and fixing the steel grating plates by using special mounting clamps. Before fastening bolts, adjusting the distance between the grid plates according to the requirements of platform installation drawings; installing the platform guardrail upright post according to the requirement of a platform guardrail installation drawing, paying attention to the fact that the guardrail upright post installation bolt is not fastened, adopting temporary fastening measures to avoid shaking, and fastening after the guardrail is integrally installed; install the guardrail according to platform guardrail installation drawing, notice the installation order during installation guardrail, should install according to the drawing requirement layering, notice splice department clearance during the installation and keep unanimous, wait that all guardrail bolts of fastening after guardrail installation regulation is accomplished.
Claims (2)
1. The utility model provides a combination support frame for assembling on cluster benefit platform ground which characterized in that: the supporting frame (1) is of a square frame structure, a central hole (106) is formed in the central part of a top plate (103), 4 upright posts (102) are installed at a 4-angle position between a bottom plate (101) and the top plate (103), a clamping seat (105) is arranged at the central position of the bottom plate (101), a leveling device (104) is installed at the central position between the bottom plate (101) and the top plate (103), the bottom of the leveling device (104) is arranged in the clamping seat (105), and the top of the leveling device (104) penetrates through the central hole (106) of the top plate (103); the series compensation platform (2) is provided with 3 main beams (201) and 13 auxiliary beams (202), and the support frame (1) is arranged below the main beams (201);
the bottom plate (101) and the top plate (103) are made of a whole plate;
the height of the support frame (1) is 500 mm.
2. The combined supporting frame for assembly of the series compensation platform ground according to the claim 1, wherein the construction method is characterized in that: the method comprises the following steps:
s01, cleaning an assembly site near the foundation of the series compensation platform (2), wherein the ground is required to be flat and solid, and the area of the site is larger than the installation working area of the series compensation platform (2);
s02, placing 12 support frames (1) in an assembly place, arranging 4 support frames (1) under each girder (201), placing the 4 support frames (1) to avoid places where the lower surfaces of the girders (201) work, wherein the height of each support frame (1) is 500mm, and the lower surfaces of the girders (201) are convenient to install;
s03, placing the leveling device (104) in a clamping seat (105) of the support frame (1), and checking that the top of the leveling device (104) passes through a central hole (106) of the top plate (103) and is flush with the upper surface of the top plate (103);
s04, placing the main beams (201) on the support frame (1), adjusting the distance between the 3 main beams (201) and aligning the main beams (201);
s05, adjusting the levelness of the main beams (201), checking a supporting point with low levelness, lifting the leveling device (104) to enable the leveling device to be higher than the upper surface of the top plate (103), enabling the position with low levelness to be lifted, leveling the main beams (201), and enabling the horizontal error of each main beam (201) to be not more than 2 mm;
s06, after the serial compensation platform (2) is leveled, a gasket with the thickness of 1-2 mm is inserted between the main beam (201) and the top plate (103) to prevent the main beam (201) from shaking;
s07, mounting auxiliary beams (202), wherein the number of the auxiliary beams (202) is 13, the auxiliary beams (202) are connected with the main beam (201) through bolts, and the diagonal length of the platform is measured and adjusted to be equal to the length of the two diagonal lines; and after the adjustment is finished, the fastening bolts finish the installation of the main beam and the auxiliary beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351152.0A CN109524907B (en) | 2018-11-14 | 2018-11-14 | Combined support frame for ground assembly of series compensation platform and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351152.0A CN109524907B (en) | 2018-11-14 | 2018-11-14 | Combined support frame for ground assembly of series compensation platform and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN109524907A CN109524907A (en) | 2019-03-26 |
| CN109524907B true CN109524907B (en) | 2020-06-19 |
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| CN201811351152.0A Active CN109524907B (en) | 2018-11-14 | 2018-11-14 | Combined support frame for ground assembly of series compensation platform and construction method |
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| US6827540B2 (en) * | 2003-01-08 | 2004-12-07 | Eaton Corporation | Vertical cellular power bridge roll-out service system and associated method |
| CN202201637U (en) * | 2011-07-22 | 2012-04-25 | 国家电网公司 | Level regulation device |
| CN103243746A (en) * | 2013-05-20 | 2013-08-14 | 四川谦泰仁投资管理有限公司 | Wind generator foundation ring precision calibrating system and construction method thereof |
| CN206971748U (en) * | 2017-05-25 | 2018-02-06 | 中国建筑第八工程局有限公司 | A kind of support meanss of Overlong Concrete Structure |
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