CN215632965U

CN215632965U - Hydraulic cylinder supporting structure for installation of GIL high-fall vertical shaft

Info

Publication number: CN215632965U
Application number: CN202121940994.7U
Authority: CN
Inventors: 邓小冬; 程尧轩; 徐路窑
Original assignee: Jiangsu Henggao Electric Manufacturing Co ltd
Current assignee: Jiangsu Henggao Electric Manufacturing Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-25
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a hydraulic cylinder supporting structure for installing a GIL high-drop vertical shaft, which comprises a GIL pipe gallery horizontal section, a GIL pipe gallery vertical shaft section, GIL vertical shaft section equipment, an adjustable hydraulic cylinder supporting component, a vertical shaft section top fixed support, a GIL horizontal section angular corrugated pipe unit and a GIL horizontal section fixed support, wherein the GIL pipe gallery vertical shaft section is arranged in the GIL pipe gallery horizontal section, the GIL vertical shaft section equipment is provided with a plurality of groups, and the plurality of groups of GIL vertical shaft section equipment are arranged on the inner wall of the GIL pipe gallery horizontal section and are distributed in an L shape. This hydraulic cylinder bearing structure is used in installation of GIL high fall shaft, this hydraulic cylinder bearing structure pass through the use of hydraulic cylinder and oil pump, need not to reuse the bellows to absorb the installation error and the expend with heat and contract with cold of GIL equipment in making GIL shaft section equipment, make whole GIL equipment become flexible structure simultaneously, guaranteed entire system's safety and stability operation, this hydraulic cylinder bearing structure's structural style is simple reliable, easily promotes.

Description

Hydraulic cylinder supporting structure for installation of GIL high-fall vertical shaft

Technical Field

The utility model relates to the technical field of rigid gas-insulated transmission lines, in particular to a hydraulic oil cylinder supporting structure for installing a GIL high-fall vertical shaft.

Background

In the prior art, a fixed support type support is also adopted at the bottom of a vertical shaft section, the GIL vertical shaft section equipment is fixed in a vertical shaft section pipe gallery through fixed supports at the top and the bottom, and a corrugated pipe is arranged between the two fixed supports at the top and the bottom of the vertical shaft to absorb the installation error and the expansion and contraction of heat and cold of the GIL equipment.

The prior art has the following defects:

1. when the corrugated pipe is used in the vertical shaft section equipment to absorb installation errors caused by product machining errors, the corrugated pipe is difficult to operate during adjustment, the arrangement direction of the equipment in the vertical shaft section is vertical, the gravity load of the equipment needs to be overcome during adjustment of the corrugated pipe, the operating space in a narrow vertical shaft pipe gallery is small, and the adjustment operation of the corrugated pipe is not facilitated.

2. The overall dimension of bellows compares GIL equipment body bigger, and is consequently bigger to GIL equipment looks interval, equipment distance from the distance requirement of shaft wall when setting up the bellows in the shaft section, also bigger to the inner chamber size requirement of shaft section piping lane, has increased the civil engineering cost of piping lane.

3. The technical scheme is that the fixed supports at the top and the bottom of the vertical shaft are completely used for absorbing dead load of GIL equipment, rigidity load of a cylinder body caused by expansion with heat and contraction with cold, air pressure load and the like, so that the fixed supports, particularly the fixed supports at the bottom, bear larger load and are not beneficial to safe and stable operation of the equipment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a hydraulic oil cylinder supporting structure for installing a GIL (general in-line) high-fall vertical shaft, which ensures that the installation error and the expansion with heat and contraction with cold of the GIL equipment are absorbed without using a corrugated pipe in the equipment of the GIL vertical shaft section by using a hydraulic oil cylinder and an oil pump, ensures the safe and stable operation of the whole system by enabling the whole GIL equipment to be a flexible structure, has the advantages of simple and reliable structural style, easy popularization and the like, and solves the problems provided by the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic oil cylinder supporting structure for installing a GIL high-fall vertical shaft comprises a GIL pipe gallery horizontal section, a GIL pipe gallery vertical shaft section, a GIL vertical shaft section device, an adjustable hydraulic oil cylinder supporting component, a vertical shaft section top fixed support, a GIL horizontal section angular corrugated pipe unit and a GIL horizontal section fixed support, the inner part of the horizontal section of the GIL pipe gallery is provided with a GIL pipe gallery vertical shaft section, the GIL shaft section equipment is provided with a plurality of groups, the plurality of groups of GIL shaft section equipment are arranged on the inner wall of the horizontal section of the GIL pipe gallery and distributed in an L shape, the plurality of groups of GIL shaft section equipment are all provided with adjustable hydraulic oil cylinder supporting components, GIL shaft section equipment one end passes through shaft section top fixed stay and installation of GIL piping lane horizontal segment inner wall, the other end passes through GIL horizontal segment fixed stay and installation of GIL piping lane horizontal segment inner wall, GIL horizontal segment angular bellows unit is installed to GIL shaft section equipment outer wall.

Preferably, adjustable hydraulic cylinder supporting component includes hydraulic cylinder, oil pump fixed plate, horizontal support and vertical enhancement support, it is fixed that the side wall of horizontal support and GIL piping lane vertical section passes through the installed part, it is fixed through the bolt fastening with vertical enhancement support to transversely support, vertical enhancement support with the ground of GIL piping lane vertical section passes through the installed part and fixes, set up the reservation hole site that is used for installing the oil pump fixed plate on the horizontal support, the oil pump fixed plate is installed on the reservation hole site on horizontal support and is used for fixed oil pump, hydraulic cylinder installs in horizontal support top, hydraulic cylinder and oil pump are through defeated oil pipe intercommunication.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

this hydraulic cylinder bearing structure passes through the use of hydraulic cylinder and oil pump, need not to reuse the bellows to absorb the installation error and the expend with heat and contract with cold of GIL equipment in making GIL shaft section equipment, makes whole GIL equipment become flexible structure simultaneously, has guaranteed entire system's safety and stability operation, and this hydraulic cylinder bearing structure's structural style is simple reliable, easily promotes.

Through the height that can freely adjust GIL shaft section equipment through this structure, can absorb the installation error that product machining error and bring, thereby because this bearing structure is the whole altitude mixture control that drives GIL equipment that stretches out of adjusting the piston rod through the oil pressure in the hydraulic cylinder, only need to pressurize or the pressure release can be adjusted the product height through the oil pump in to the hydro-cylinder and realize the accurate butt joint of equipment, convenient operation is swift.

Secondly, just can avoid setting up the bellows in GIL shaft section equipment through using this bearing structure in the shaft section, can effectually reduce the distance of GIL equipment looks interval, equipment distance shaft wall, reduce the inner chamber size of shaft section piping lane, reduced the civil engineering cost of piping lane.

Thirdly, the support structure can be matched with the angular corrugated pipe unit of the GIL horizontal section to convert the axial motion of expansion and contraction of heat of the equipment of the GIL vertical shaft section into the radial motion of the angular corrugated pipe unit of the GIL horizontal section. The hydraulic support structure can completely remove oil pressure in the oil cylinder after the equipment is installed, so that the GIL vertical shaft section equipment becomes a flexible structure which can be changed freely, the axial motion of expansion with heat and contraction with cold of the GIL vertical shaft section equipment is converted into the radial motion of the GIL horizontal section angular corrugated pipe unit, and therefore the fixed support part does not bear large load any more, and the long-term safe and stable operation of the GIL equipment is ensured.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic structural view of a support assembly according to the present invention.

In the figure: 1. a GIL pipe gallery horizontal segment; 2. a GIL pipe gallery vertical well section; 3. GIL shaft section equipment; 4. an adjustable hydraulic cylinder support assembly; 5. the top of the vertical shaft section is fixedly supported; 6. a GIL horizontal section angular corrugated pipe unit; 7. the GIL horizontal section is fixedly supported; 41. a hydraulic cylinder; 42. an oil pump; 43. an oil pump fixing plate; 44. transversely supporting; 45. and (5) vertically reinforcing and supporting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, a hydraulic cylinder supporting structure for installing a GIL high-fall shaft comprises a GIL pipe gallery horizontal section 1, a GIL pipe gallery vertical well section 2, a GIL shaft section device 3, an adjustable hydraulic cylinder supporting component 4, a shaft section top fixed support 5, a GIL horizontal section angular corrugated pipe unit 6 and a GIL horizontal section fixed support 7, wherein the GIL pipe gallery vertical well section 2 is arranged in the GIL pipe gallery horizontal section 1, the GIL shaft section device 3 is provided with a plurality of groups, the groups of GIL shaft section devices 3 are arranged on the inner wall of the GIL pipe gallery horizontal section 1 and distributed in an L shape, the groups of GIL shaft section devices 3 are all provided with the adjustable hydraulic cylinder supporting component 4, one end of the GIL shaft section device 3 is installed with the inner wall of the GIL pipe gallery horizontal section 1 through the shaft section top fixed support 5, the other end is installed with the inner wall of the GIL pipe gallery horizontal section 1 through the GIL horizontal section fixed support 7, GIL horizontal segment angular corrugated pipe unit 6 is installed to 3 outer walls of GIL shaft section equipment, just can avoid setting up the bellows in GIL shaft section equipment 3 through using this bearing structure in the shaft section, can effectually reduce the distance of GIL equipment looks interval, equipment distance shaft wall, reduces the inner chamber size of shaft section piping lane, has reduced the civil engineering cost of piping lane.

The support structure can be matched with the GIL horizontal-section angular corrugated pipe unit 6 to convert the axial movement of expansion and contraction of the GIL vertical shaft-section equipment 3 into the radial movement of the GIL horizontal-section angular corrugated pipe unit 6. The hydraulic support structure can completely remove the oil pressure in the hydraulic oil cylinder 41 after the equipment is installed, so that the GIL vertical shaft section equipment 3 becomes a flexible structure which can be freely changed, and the fixed support part does not bear large load any more, thereby ensuring the long-term safe and stable operation of the GIL equipment.

Adjustable hydraulic cylinder supporting component 4 includes hydraulic cylinder 41, oil pump 42, oil pump fixed plate 43, horizontal support 44 and vertical enhancement support 45, it is fixed that horizontal support 44 passes through the installed part with the side wall of GIL piping lane vertical section 2, horizontal support 44 passes through the bolt fastening with vertical enhancement support 45, vertical enhancement support 45 passes through the installed part with the ground of GIL piping lane vertical section 2 and fixes, the reservation hole site that is used for installing oil pump fixed plate 43 is offered on the horizontal support 44, oil pump fixed plate 43 is installed on the reservation hole site on horizontal support 44 and is used for fixed oil pump 42, hydraulic cylinder 41 is installed at horizontal support 44 top, hydraulic cylinder 41 communicates through defeated oil pipe with oil pump 42.

In the actual operation of the GIL vertical shaft section, the hydraulic oil cylinder 41 is in a completely pressure relief state, so that the free expansion state of the GIL vertical shaft section equipment 3 in the change of the external environment temperature is ensured, through the GIL horizontal section angle bellows unit 6 connected to the GIL shaft section apparatus 3, the expansion with heat and contraction with cold of the GIL vertical shaft section equipment 3 can be converted into the radial angle change of the GIL horizontal section angular corrugated pipe unit 6 when the environmental temperature changes, the whole GIL equipment becomes a flexible structure, the GIL vertical shaft section equipment 3, the vertical shaft section top fixed support 5, the GIL horizontal section fixed support 7 and the like can not be stressed abnormally, by using the hydraulic oil cylinder 41 and the oil pump 42, the arrangement error of the GIL equipment and the expansion and contraction caused by heat are absorbed without using a corrugated pipe in the GIL shaft section equipment 3, meanwhile, the whole GIL equipment is of a flexible structure, and the safe and stable operation of the whole system is ensured. The hydraulic oil cylinder supporting structure is simple and reliable in structural form and easy to popularize.

The working principle is as follows: in the installation process of the GIL vertical shaft section, the adjustable hydraulic oil cylinder supporting component 4 is positioned, installed and fixed, the transverse support 44 and the side wall of the vertical shaft section top fixed support 5 are fixed through a chemical anchor bolt or an expansion bolt after the supporting installation position is determined through positioning, the transverse support 44 and the vertical reinforcing support 45 are fastened through a bolt, and the vertical reinforcing support 45 and the ground of the GIL pipe gallery vertical shaft section 2 are fixed through a chemical anchor bolt or an expansion bolt. After all the transverse supports 44 are repeatedly installed, the oil pump fixing plate 43 is installed on the reserved hole positions of the transverse supports 44, finally the hydraulic oil cylinder 41 is installed on the reserved position of the transverse support 44, the oil pump 42 is installed on the reserved position of the oil pump fixing plate 43, and then the hydraulic oil cylinder 41 and the corresponding oil pump 42 are communicated through an oil conveying pipe.

The installation of the GIL shaft section equipment 3 can be started after the hydraulic oil cylinder 41 is installed, the bottommost corner unit in the GIL shaft section equipment 3 is installed firstly, the corner unit is transported downwards from the top of the pipe gallery by a crane at the top of the GIL pipe gallery shaft section 2, the position of the corner unit is carefully positioned after the corner unit is transported to the position of the hydraulic oil cylinder 41, fixing plates on two sides of a cylinder body of the corner unit are aligned with a piston rod of the hydraulic oil cylinder 41 and then installed and fixed, the corner unit is pressed into the hydraulic oil cylinder 41 through an oil pump 42 communicated with the hydraulic oil cylinder 41 after being fixed with the hydraulic oil cylinder 41 on two sides of the corner unit, a certain oil pressure is kept in the hydraulic oil cylinder 41, so that the piston rod extends out to a proper position, and the GIL equipment in the middle part of the shaft is installed step by step from bottom to top after the installation of the corner unit at the bottom in the GIL shaft section equipment 3.

The fixed support 5 and the fixed support 7 for the top of the vertical shaft section can be positioned and fixed while the GIL vertical shaft section equipment 3 is installed, the fixed unit for the top of the GIL vertical shaft section equipment 3 is installed after the installation of the GIL equipment in the middle of the vertical shaft is completed, the height of the GIL vertical shaft section equipment 3 is adjusted by adjusting the oil pressure in the hydraulic oil cylinder 41, and finally the fixed unit for the top of the GIL vertical shaft section equipment 3 is ensured to be centered and fixed with the fixed support 5 for the top of the vertical shaft section.

After the GIL vertical shaft section equipment 3 is installed, the oil pressure in a hydraulic oil cylinder 41 at the bottom of the equipment is completely removed, then the installation of the GIL equipment in the horizontal section 1 of the GIL pipe gallery is started, the GIL horizontal section angular corrugated pipe unit 6 and the corner unit at the bottom of the GIL vertical shaft section equipment 3 are butted and then extend outwards to install the fixing unit of the horizontal section equipment, and finally the fixing unit of the horizontal section equipment and the GIL horizontal section fixing support 7 are fixed, so that the installation work of the whole GIL vertical shaft section equipment 3 is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a GIL high drop hydraulic cylinder bearing structure for shaft installation which characterized in that: the adjustable hydraulic oil cylinder support device comprises a GIL pipe gallery horizontal section (1), a GIL pipe gallery vertical well section (2), a GIL vertical well section device (3), an adjustable hydraulic oil cylinder support component (4), a vertical well section top fixed support (5), a GIL horizontal section angular corrugated pipe unit (6) and a GIL horizontal section fixed support (7), wherein the GIL pipe gallery vertical well section (2) is arranged in the GIL pipe gallery horizontal section (1), a plurality of groups of the GIL vertical well section device (3) are arranged on the inner wall of the GIL pipe gallery horizontal section (1) and distributed in an L shape, the plurality of groups of the GIL vertical well section device (3) are all provided with the adjustable hydraulic oil cylinder support component (4), one end of the GIL section device (3) is installed on the inner wall of the GIL pipe gallery horizontal section (1) through the vertical well section top fixed support (5), and the other end of the GIL vertical well section device is installed on the inner wall of the GIL pipe gallery horizontal section (1) through the GIL horizontal section fixed support (7), and a GIL horizontal section angular corrugated pipe unit (6) is arranged on the outer wall of the GIL vertical shaft section equipment (3).

2. The hydraulic cylinder supporting structure for the GIL high-fall shaft installation according to claim 1, wherein: the adjustable hydraulic oil cylinder supporting component (4) comprises a hydraulic oil cylinder (41), an oil pump (42), an oil pump fixing plate (43), a transverse support (44) and a vertical reinforcing support (45), the transverse support (44) is fixed with the side wall of the vertical shaft section (2) of the GIL pipe gallery through a mounting piece, the transverse support (44) and the vertical reinforcing support (45) are fixed through bolts, the vertical reinforcing support (45) is fixed with the ground of the vertical shaft section (2) of the GIL pipe gallery through a mounting piece, a reserved hole position for installing an oil pump fixing plate (43) is arranged on the transverse support (44), the oil pump fixing plate (43) is arranged on a reserved hole position on the transverse support (44) and is used for fixing the oil pump (42), the hydraulic oil cylinder (41) is arranged at the top of the transverse support (44), and the hydraulic oil cylinder (41) is communicated with the oil pump (42) through an oil conveying pipe.