CN112576816B - Comprehensive support and hanger system for oil-gas water pipeline and cable bridge of hydropower station - Google Patents

Comprehensive support and hanger system for oil-gas water pipeline and cable bridge of hydropower station Download PDF

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CN112576816B
CN112576816B CN202011594233.0A CN202011594233A CN112576816B CN 112576816 B CN112576816 B CN 112576816B CN 202011594233 A CN202011594233 A CN 202011594233A CN 112576816 B CN112576816 B CN 112576816B
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oil
gas
water pipeline
comprehensive
support
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CN112576816A (en
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王豪
陈冬波
郑涛平
李玲
郭学洋
桂绍波
彭志远
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Changjiang Institute of Survey Planning Design and Research Co Ltd
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Changjiang Institute of Survey Planning Design and Research Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/1091—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/11—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing and hanging from a pendant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
    • F16L3/221—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals having brackets connected together by means of a common support
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0406—Details thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0437—Channels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0456—Ladders or other supports
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
    • G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A hydropower station oil gas water pipeline and cable bridge comprehensive support and hanger system comprises an oil gas water pipeline and cable bridge comprehensive hanger, an oil gas water pipeline system instability standby comprehensive support, an oil gas water pipeline system axial force support and an oil gas water pipeline system anti-weight support; the comprehensive hanger of the oil-gas-water pipeline cable bridge and the comprehensive support for instability of the oil-gas-water pipeline system are arranged on the unit section, the axial force supporting support of the oil-gas-water pipeline system is arranged on a concrete wall surface of the unit section at the end part, and the anti-weight-bearing supporting support of the oil-gas-water pipeline system is arranged on a concrete floor slab of an installation site. The invention effectively solves the problem of high-utilization rate comprehensive arrangement of oil-gas-water main pipes and cable bridges in a narrow space, avoids the excessively numerous and complicated number and types of the supporting and hanging frames, simultaneously considers the dynamic loads generated under different operation working conditions of each auxiliary engine system, and increases the stability of the supporting and hanging frame system.

Description

Comprehensive support and hanger system for oil-gas water pipeline and cable bridge of hydropower station
Technical Field
The invention relates to the technical field of hydraulic and hydroelectric engineering, in particular to a comprehensive support and hanger system for an oil-gas-water pipeline and a cable bridge of a hydropower station.
Background
The comprehensive support and hanger system for oil-gas-water pipelines and cable bridges of a large hydropower station organically integrates turbine oil in hydraulic machinery into an oil supply and discharge pipe, a gas pipeline for braking, a closed bus micro-positive pressure gas supply pipeline (if any), a gas pipeline for a speed regulator gas tank, a clean water pipeline, a water pipeline for fire protection and a cable bridge into a same stable rigid integral support system, so that the turbine oil of a unit, the gas for braking, the gas for a speed regulator oil pressure device, lubricating water and fire water can be stably supplied to user equipment, and the comprehensive support and hanger system plays an important role in safe and stable operation of the hydropower station.
According to the design idea of a conventional oil-gas-water system pipeline and a cable bridge support system, a pipeline of a hydraulic machine and a supporting and hanging bracket of an electric primary cable bridge are generally separately arranged, and pipelines of a turbine oil system, a medium-low pressure compressed air system, a clean water system and a fire water system in the hydraulic machine are mostly independently arranged, so that a relatively single and simple supporting and hanging bracket set is constructed.
For a power station with a tense plant layout, the traditional design method has the following defects:
(1) the hydraulic mechanical auxiliary machine and the fire-fighting system totally account for dozens of main pipes, and 2-3 layers and 2-3 rows of cable bridges penetrate through the whole unit section on the water turbine layer at one time. If each system all sets up a gallows alone, guaranteeing under the prerequisite of comfortable passerby passageway (general 2 ~ 2.5m is wide), the underground factory building space that receives the former planning of large-scale power station factory building span influence must be not enough to need increase the excavation, increased the civil engineering cost.
(2) Because pipeline and cable testing bridge are numerous, set up a gallows for every system alone, the quantity of an increase gallows that can be very big, and the gallows interval of cable testing bridge is inconsistent with the interval of water machine auxiliary system pipeline, and the phenomenon that a gallows is uneven can appear inevitably, influences pleasing to the eye.
(3) Because a great number of hangers, the supporting points of the oil-gas-water main pipe and the cable bridge support hanger are generally concrete floors or columns, the space of a factory building is limited, and the problem of a hanger conflict is likely to occur.
(4) The traditional support and hanger mainly considers the weight of a pipeline body and a medium, axial thrust generated by a pipeline under different operation conditions is ignored, and if the support and hanger of a certain system is unstable, the whole pipeline system can be collapsed, so that serious accidents are caused.
Disclosure of Invention
The invention aims to overcome the defects of the background technology, and provides a comprehensive support and hanger system for an oil-gas water pipeline and a cable bridge of a hydropower station, which effectively solves the problem of high-utilization rate comprehensive arrangement of an oil-gas water main pipe and a cable bridge in a narrow space, avoids the excessive number and types of support and hangers, simultaneously considers dynamic loads generated under different operation working conditions of auxiliary machine systems, increases the stability of the support and hanger system, adopts hidden arrangement for the cable bridge, adopts a central alignment arrangement mode for the oil-gas water main pipe, and better meets the design principle of 'beautiful electromechanics'.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a power station oil gas water pipeline and cable testing bridge synthesize a gallows system which characterized in that: the comprehensive lifting frame comprises an oil-gas-water pipeline cable bridge comprehensive lifting frame, an oil-gas-water pipeline system instability standby comprehensive support, an oil-gas-water pipeline system axial force supporting support and an oil-gas-water pipeline system anti-weight-bearing supporting support; the comprehensive hanger for the oil-gas-water pipeline cable bridge and the comprehensive support for the instability of the oil-gas-water pipeline system are arranged on the unit section, the axial force supporting support of the oil-gas-water pipeline system is arranged on a concrete wall surface of the end unit section, and the anti-weight support of the oil-gas-water pipeline system is arranged on a concrete floor slab of an installation site;
the comprehensive hanger of the cable bridge of the oil-gas water pipeline penetrates through the whole unit section; and each unit section of the comprehensive support for instability of the oil-gas-water pipeline system is provided with one pair.
Further, the gallows is synthesized to oil gas water pipeline cable testing bridge includes the stand, be provided with the cable testing bridge trailing arm on the stand, the stand top is provided with first base, be provided with heavy back reaming base crab-bolt on the first base, two be provided with the cross arm between the stand, be provided with the screw pipe clamp on the cross arm.
Further, the comprehensive support for the instability of the oil-gas-water pipeline system comprises a first I-shaped steel, the first I-shaped steel is arranged on the machine pier and the concrete column through a second base, steel plates are welded on the first I-shaped steel, and the oil-gas-water main pipe is closed on the first I-shaped steel and the steel plates through a first U-shaped hoop; the two first I-shaped steels are connected through channel steel.
Furthermore, a first stainless steel cushion block is arranged between the oil-gas water main pipe and the first I-shaped steel.
Further, oil gas water pipe way system axial force support holder includes the second channel-section steel, the second channel-section steel sets up on the third base, the third base is fixed on the concrete wall of end unit section through self-cutting end anchor bolt, and the oil gas water main is fixed on the second channel-section steel through second U type staple bolt, sets up second stainless steel cushion between oil gas water main and second channel-section steel.
Further, the anti-weight support bracket for the oil-gas water pipeline system comprises a rib plate, the rib plate is welded on the oil-gas water main pipe, the bottom end of the rib plate is arranged on a rectangular frame constructed by a third channel steel and a fourth channel steel through a third stainless steel cushion block, and the rectangular frame is arranged on a concrete floor slab; and the third stainless steel cushion block is arranged on the rectangular frame built by the third channel steel and the fourth channel steel through bolts.
Furthermore, a reinforcing rib plate is arranged between the third channel steel and the fourth channel steel.
The comprehensive support and hanger system has the following beneficial effects:
(1) aiming at a factory building with a relatively small floor height and a relatively small channel of a power station, an oil-gas water main pipe and a cable bridge of a hydraulic mechanical auxiliary system are uniformly distributed on a comprehensive support hanger, a plurality of pipelines and bridges under limited spatial arrangement are fully utilized, and civil engineering excavation is avoided;
(2) the hydraulic mechanical auxiliary system generates axial thrust under different working conditions, and the axial force supporting bracket can counteract the generated axial force, so that the stability of the comprehensive bracket is improved;
(3) the instability standby comprehensive support can support all oil-gas-water pipelines of one unit section under the extreme working condition of instability of the oil-gas-water pipeline cable bridge comprehensive hanger, so that the reliability of the comprehensive support system is improved;
(4) in the comprehensive hanger for the oil-gas-water pipeline cable bridge, the centers of all pipelines are aligned, the cable bridge is hidden above a pipe row, and the pipeline is neat and attractive when being observed from a pedestrian passage, thereby well conforming to the 'beautiful electromechanical' design principle of a modern hydropower station.
Drawings
Fig. 1 is a schematic diagram of the general arrangement of a comprehensive support and hanger system for oil and gas water pipelines and cable bridges of a hydropower station provided by the invention.
Fig. 2 is a schematic structural view of an oil-gas-water pipeline cable bridge comprehensive hanger.
Fig. 3 is a schematic diagram of the arrangement of the comprehensive hanger for the oil gas water main pipe and the cable bridge.
Fig. 4 is a schematic structural diagram of a comprehensive support for instability of an oil-gas-water pipeline system.
Fig. 5 is a schematic sectional view taken along the line a-a in fig. 4.
Fig. 6a to 6b are schematic views of axial force supporting brackets of oil-gas-water pipeline systems.
FIG. 7 is a schematic view of a support bracket for anti-weight support of the hydrocarbon water pipeline system.
Fig. 8 is a schematic sectional view taken along the line a-a in fig. 7.
Wherein: the comprehensive hanger 1 for the cable bridge of the oil-gas water pipeline, the comprehensive support 2 for the instability of the oil-gas water pipeline system, the axial force support 3 for the oil-gas water pipeline system, the anti-weight support 4 for the oil-gas water pipeline system, the unit section 5, the concrete wall surface 6, the concrete floor 7, the oil-gas water main pipe 8 and the cable bridge 9;
the device comprises a first base 1-1, upright columns 1-2, cross arms 1-3, screw type pipe clamps 1-4, cable bridge bracket arms 1-5 and heavy rear bottom expanding anchor bolts 1-6;
2-1 parts of a second base, 2-2 parts of first I-steel, 2-3 parts of a first U-shaped hoop, 2-4 parts of a first stainless steel cushion block, 2-5 parts of second I-steel, 2-6 parts of a steel plate, 2-7 parts of first channel steel, 2-8 parts of a first expansion bolt, 2-9 parts of a machine pier and 2-10 parts of a concrete column;
3-1 of a self-undercut anchor bolt, 3-2 of a third base, 3-3 of a second channel steel, 3-4 of a second U-shaped anchor ear and 3-5 of a second stainless steel cushion block;
4-1 parts of a third channel steel, 4-2 parts of a fourth channel steel, 4-3 parts of a third stainless steel cushion block, 4-4 parts of ribbed plates, 4-5 parts of reinforcing ribbed plates and 4-6 parts of second expansion bolts.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples, which should not be construed as limiting the invention.
As shown in fig. 1, the invention provides a comprehensive support and hanger system for oil-gas-water pipelines and cable bridges of a hydropower station, which mainly comprises the following four support and hanger forms: the comprehensive hanger 1 for the oil-gas water pipeline cable bridge frame, the comprehensive support 2 for instability of the oil-gas water pipeline system, the axial force support 3 for the oil-gas water pipeline system and the anti-weight support 4 for the oil-gas water pipeline system are arranged on the support. The comprehensive hanger 1 for the oil-gas-water pipeline cable bridge and the comprehensive support 2 for the instability of the oil-gas-water pipeline system are arranged on the unit section 5, the axial force supporting support 3 for the oil-gas-water pipeline system is arranged on a concrete wall surface 6 of the unit section at the end part, and the anti-weight support 4 for the oil-gas-water pipeline system is arranged on a concrete floor 7 of an installation site.
As shown in fig. 2-3, the comprehensive hanger 1 for the oil-gas-water pipeline cable bridge comprises: the device comprises various connecting pieces such as a first base 1-1, an MIQ-90 upright post 1-2, an MIQ-90 cross arm 1-3, a screw type pipe clamp 1-4, an MC-BE-630OC-A cable bridge bracket 1-5, a heavy rear under-reamed anchor bolt 1-6 and the like. The comprehensive hanger 1 of the oil-gas water pipeline cable bridge penetrates through the whole unit section and bears the weight of all water pipelines and cable bridges.
The cable bridge bracket is characterized in that cable bridge bracket arms 1-5 are arranged on the upright posts 1-2, a first base 1-1 is arranged at the top of the upright posts 1-2, heavy rear bottom expanding anchor bolts 1-6 are arranged on the first base 1-1, a cross arm 1-3 is arranged between the two upright posts 1-2, and screw type pipe clamps 1-4 are arranged on the cross arm 1-3.
The oil-gas-water main pipe 8 is fixed on the cross arm 1-3 through a screw pipe clamp 1-4, the cable bridge 9 is fixed by using a bridge bracket supporting arm 1-5, and the load of the pipeline and the bridge is transmitted to the concrete ceiling through the upright post 1-2, the first base 1-1 and the heavy rear expanded-base anchor bolt 1-6.
Fig. 3 is a layout diagram of a comprehensive hanger for an oil gas water main pipe and a cable bridge, the hanger for supporting a pipeline and the cable bridge and the hanger for only supporting the cable bridge are arranged in a staggered mode, the requirement of a pipeline hanger is met, the supporting requirement of the cable bridge is also met, the number of pipelines and bridge supporting pieces is greatly reduced, and a hanger system is well arranged and neat and attractive.
Referring to fig. 4-5, the comprehensive support 2 for oil-gas-water pipeline system instability comprises: 2-1 parts of a second base, 2-2 parts of No. 16 first I-steel, 2-3 parts of a first U-shaped hoop, 2-4 parts of a first stainless steel cushion block, 2-5 parts of No. 14 second I-steel, 2-6 parts of a steel plate, 2-7 parts of No. 16 first channel steel, 2-8 parts of a first expansion bolt and the like. A pair of comprehensive supports 2 for the instability of the oil-gas-water pipeline system is arranged on each unit section, and when the comprehensive hanger 1 for the cable bridge of the oil-gas-water pipeline system fails, the comprehensive supports 2 for the instability of the oil-gas-water pipeline system can bear the weight of all water machine pipelines of one unit section.
The first I-shaped steel 2-2 is arranged on the machine pier 2-9 and the concrete column 2-10 through the second base 2-1, part of the oil gas water trunk pipes 8 are combined on the first I-shaped steel 2-2 through the first U-shaped anchor ear 2-3, the rest of the medium-pressure gas system trunk pipes are combined on the steel plate 2-6 through the first U-shaped anchor ear 2-3, the steel plate 2-6 is welded on the first I-shaped steel 2-2, and the load is transmitted to the machine pier 2-9 and the concrete column 2-10 through the second base 2-1. In order to enhance the stability of the support, the first I-shaped steel 2-2 main beam is connected by using first channel steel 2-7, and the lower first I-shaped steel 2-2 cantilever beam is closed on the main beam by using second I-shaped steel 2-5. In addition, in order to prevent electrochemical corrosion between the stainless steel pipeline and the I-shaped steel, a first stainless steel cushion block 2-4 is additionally arranged between the pipeline and the I-shaped steel.
Referring to fig. 6a to 6b, the oil and gas water pipeline system axial force support bracket 3 includes: 3-1 of a self-undercut anchor bolt, 3-2 of a third base, 3-3 of a No. 16 second channel steel, 3-4 of a second U-shaped anchor ear, 3-5 of a second stainless steel cushion block and the like. The axial force supporting bracket 3 of the oil-gas-water pipeline system is arranged on a concrete wall surface 6 of the end unit section and is used for bearing the axial water thrust generated by changing the pipeline due to the working condition.
The second channel steel 3-3 is arranged on a third base 3-2, the third base 3-2 is fixed on a concrete wall surface 6 of the end unit section through a self-undercut anchor bolt 3-1, and the oil-gas water main pipe 8 is fixed on the second channel steel 3-3 through a second U-shaped anchor bolt 3-4. Because the different oil gas water main elevations are inconsistent, and in order to ensure the reliability of the axial force supporting bracket 3 of the oil gas water pipeline system, six second channel steels 3-3 (which are arranged in a staggered way on the plane) are respectively combined with different oil gas water main pipes 8 (as shown in figures 6 a-6 b). In addition, a second stainless steel cushion block 3-5 is arranged between the oil gas water main pipe 8 and the second channel steel 3-3 to prevent electrochemical corrosion.
The oil gas water main pipe 8 can generate axial load when the valve is switched on and off or the working condition is changed, the load is transmitted to the second channel steel 3-3 through the second U-shaped hoop 3-4, the second channel steel 3-3 transmits the axial load to the concrete wall 6 through the third base 3-2, and the second channel steel 3-3 is only subjected to axial force tension or pressure, so that the bending moment is small, and the strength is high.
Referring to fig. 7-8, the anti-weight support bracket 4 for the oil and gas water pipeline system comprises: 4-1 of 16# third channel steel, 4-2 of 16# fourth channel steel, 4-3 of a third stainless steel cushion block, 4-4 of a stainless steel rib plate, 4-5 of a reinforcing rib plate, 4-6 of a second expansion bolt and the like. The anti-weight support bracket 4 for the oil-gas-water pipeline system is arranged on the 816.40 m-height ground of an installation field and bears the axial weight of the through-floor riser.
The rib plate 4-4 is welded on the oil-gas water main pipe 8, the third stainless steel cushion block 4-3 is welded at the bottom end of the rib plate 4-4, the third stainless steel cushion block 4-3 is fixed on a rectangular frame constructed by the third channel steel 4-1 and the fourth channel steel 4-2 through bolts, and the rectangular frame is arranged on the concrete floor 7 through the second expansion bolts 4-6, so that the longitudinal load of the oil-gas water main pipe 8 is transmitted to the concrete floor 7. The reinforcing rib plate 4-5 is welded between the channel steels 4-1 and 4-2 to increase the rigidity of the rectangular frame.
The system operation mechanism comprises: when the power station normally operates, the comprehensive hanger 1 for the oil-gas-water pipeline cable bridge supports bears the gravity of an oil-gas-water main pipe and a cable bridge support, and when the working condition of each auxiliary machine system changes, for example, the on-off of a main pipe valve can generate a large acting force in the direction of the axis of a pipeline. In order to prevent the situation from generating, the axial force supporting bracket 3 of the oil-gas water pipeline system is used for bearing axial load, so that the comprehensive hanger 1 of the cable bridge frame of the oil-gas water pipeline system basically only bears gravity under any working condition. For the reliability that increases whole a gallows system, every unit section increases a pair oil gas water pipe-line system for unstability comprehensive support 2, if oil gas water pipe-line cable testing bridge comprehensive gallows 1 takes place the destruction under extreme operating mode, for avoiding the collapse of main pipe, oil gas water pipe-line system for unstability comprehensive support 2 then plays the effect of bearing all oil gas water pipe way gravities of a unit section. The oil gas water main pipe passes through to the hydraulic turbine layer from the layer of being qualified for the next round of competitions, and the difference in height is about 6m, supports support 4 through the anti heavy seat of oil gas water pipeline system and transmits the weight of auxiliary engine main pipe to the concrete floor, because pipeline and support belong to rigid connection, the phenomenon of sliding can not appear, so under steady state and dynamic operating mode, the axial of layer pipeline and radial stability can all be guaranteed strides. The pipeline and the bridge support system formed by the support and hanger ensure the safe and stable operation of the whole unit and the power station.
At present, the comprehensive support 2 for the instability of the oil-gas-water pipeline system is subjected to stress analysis, and in the comprehensive support 2 for the instability of the oil-gas-water pipeline system, the 16# first I-shaped steel 2-2 mainly bears the gravity of two DN150 water pipes, four DN100 low-pressure air pipes and two DN50 medium-pressure air pipes of one unit section. In order to simplify the analysis, the eight pipelines are filled with media and then treated as concentrated force acting on the middle point of the I-shaped steel, and the I-shaped steel can be regarded as a simple supporting beam model.
And (3) calculating:
1) single span beam form: simply supporting a beam;
2) load stress form: the middle of the simply supported beam is subjected to concentrated force load;
3) basic parameters of the beam:
the length L is 2.45m, the material quality Q235 is standard 16# I-steel;
cross-sectional characteristics: ix 1130cm4，Wx＝141cm3，Sx＝80.8cm3，Iy＝93cm4，Wy＝21.2cm3，G＝20.5kg/m；
The X-axis plastic development coefficient γ X is 1.05;
elastic modulus E-206 GPa
The deflection control value [ v ] is L/250;
bending resistance design value f: 205N/mm2。
4) Magnitude of concentrated force (single beam force): pd ═ (16 × 2+5.6 × 4+1.9 × 2)/2 ═ 29 KN;
5) and (3) calculating the result:
maximum bending moment Mmax ═ Pd × L/4 ═ 17.8KN.m
Bending positive stress σ max (Mmax/(γ x Wx) ═ 120.23N/mm)2
Maximum deflection fmax Pd × L3/(48×E×Ix)＝3.82mm
Relative deflection v-fmax/L-1/625
6) And (4) analyzing results:
bending positive stress sigma max is 120.23N/mm2<Bending resistance design value f: 205N/mm2；
Relative deflection v is 1/625< deflection control value [ v ] L/250;
therefore, the structural steel selected by the comprehensive support 2 for the instability of the oil-gas-water pipeline system can meet the strength requirement of bearing the weight of all oil-gas-water main pipes of one unit section under the instability working condition of the comprehensive hanger 1 for the oil-gas-water pipeline cable bridge.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Those not described in detail in this specification are within the skill of the art.

Claims (6)

1. The utility model provides a power station oil gas water pipeline and cable testing bridge are synthesized and are propped up gallows system which characterized in that: the oil-gas-water pipeline cable bridge comprehensive hanging bracket comprises an oil-gas-water pipeline cable bridge comprehensive hanging bracket (1), an oil-gas-water pipeline system instability standby comprehensive bracket (2), an oil-gas-water pipeline system axial force supporting bracket (3) and an oil-gas-water pipeline system anti-weight-sitting supporting bracket (4); the comprehensive hanger (1) for the oil-gas-water pipeline cable bridge and the comprehensive support (2) for the instability of the oil-gas-water pipeline system are arranged on the unit section (5), the axial force supporting support (3) for the oil-gas-water pipeline system is arranged on a concrete wall surface (6) of the end unit section, and the anti-weight-bearing supporting support (4) for the oil-gas-water pipeline system is arranged on a concrete floor (7) of an installation site;
the oil-gas-water pipeline cable bridge comprehensive hanger (1) penetrates through the whole unit section; each unit section of the comprehensive support (2) for instability of the oil-gas-water pipeline system is provided with one pair;
the comprehensive hanger (1) for the oil-gas-water pipeline cable bridge comprises columns (1-2), cable bridge supporting arms (1-5) are arranged on the columns (1-2), a first base (1-1) is arranged at the top of each column (1-2), heavy rear bottom expanding anchor bolts (1-6) are arranged on the first bases (1-1), cross arms (1-3) are arranged between the two columns (1-2), and screw pipe clamps (1-4) are arranged on the cross arms (1-3).
2. The comprehensive support and hanger system for the oil-gas water pipelines and the cable bridges of the hydropower station according to claim 1, which is characterized in that: the comprehensive support (2) for the instability standby of the oil-gas water pipeline system comprises first I-shaped steel (2-2), the first I-shaped steel (2-2) is arranged on machine piers (2-9) and concrete columns (2-10) through a second base (2-1), steel plates (2-6) are welded on the first I-shaped steel (2-2), and an oil-gas water main pipe (8) is fastened on the first I-shaped steel (2-2) and the steel plates (2-6) through a first U-shaped hoop (2-3);
the two first I-shaped steels (2-2) are connected through channel steels (2-7).
3. The comprehensive support and hanger system for the oil-gas water pipelines and the cable bridges of the hydropower station as claimed in claim 2, wherein: a first stainless steel cushion block (2-4) is arranged between the oil gas water main pipe (8) and the first I-shaped steel (2-2).
4. The comprehensive support and hanger system for the oil-gas water pipelines and the cable bridges of the hydropower station according to claim 1, which is characterized in that: the oil-gas water pipeline system axial force supporting bracket (3) comprises a second channel steel (3-3), the second channel steel (3-3) is arranged on a third base (3-2), the third base (3-2) is fixed on a concrete wall surface (6) of an end unit section through a self-cutting bottom anchor bolt (3-1), an oil-gas water main pipe (8) is fixed on the second channel steel (3-3) through a second U-shaped anchor bolt (3-4), and a second stainless steel cushion block (3-5) is arranged between the oil-gas water main pipe (8) and the second channel steel (3-3).
5. The comprehensive support and hanger system for the oil-gas water pipelines and the cable bridges of the hydropower station according to claim 1, which is characterized in that: the anti-weight support bracket (4) for the oil-gas water pipeline system comprises rib plates (4-4), the rib plates (4-4) are welded on an oil-gas water main pipe (8), the bottom ends of the rib plates (4-4) are arranged on rectangular frames built by third channel steel (4-1) and fourth channel steel (4-2) through third stainless steel cushion blocks (4-3), and the rectangular frames are arranged on a concrete floor slab (7);
the third stainless steel cushion block (4-3) is arranged on a rectangular frame built by the third channel steel (4-1) and the fourth channel steel (4-2) through bolts.
6. The comprehensive support and hanger system for the oil-gas water pipelines and the cable bridges of the hydropower station according to claim 5, wherein the comprehensive support and hanger system comprises: a reinforcing rib plate (4-5) is arranged between the third channel steel (4-1) and the fourth channel steel (4-2).
CN202011594233.0A 2020-12-29 2020-12-29 Comprehensive support and hanger system for oil-gas water pipeline and cable bridge of hydropower station Active CN112576816B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205639870U (en) * 2016-04-15 2016-10-12 广东信禾机电工程有限公司 A pipeline gallows is synthesized in heavy construction
CN209839352U (en) * 2019-01-25 2019-12-24 中建四局安装工程有限公司 Horizontal mounting bracket for heavy pipeline of steel structure building
CN209925856U (en) * 2019-03-12 2020-01-10 苏州科技大学 Sleeve friction type adjustable damping energy dissipation and shock absorption support
CN210246205U (en) * 2019-09-20 2020-04-03 北京市兴南电气工程有限公司 Cable bridge
CN210326793U (en) * 2019-08-05 2020-04-14 淳于长舒 Prevent winding communication equipment wiring frame of cable
CN210423959U (en) * 2019-06-21 2020-04-28 苏州金螳螂建筑装饰股份有限公司 Hang a gallows is synthesized to multi-functional finished product of furred ceiling
ES1247680U (en) * 2020-04-17 2020-06-12 Unex Aparellaje Electrico Sl SUPPORT BAR SET FOR CABLE TRAYS (Machine-translation by Google Translate, not legally binding)
KR20200117675A (en) * 2019-04-05 2020-10-14 한양이엔지 주식회사 Coupler opening and shutting device and system for connecting hose used to supply chemical using same
CN215215065U (en) * 2020-12-29 2021-12-17 长江勘测规划设计研究有限责任公司 Comprehensive support and hanger system for oil-gas water pipeline and cable bridge of hydropower station

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205639870U (en) * 2016-04-15 2016-10-12 广东信禾机电工程有限公司 A pipeline gallows is synthesized in heavy construction
CN209839352U (en) * 2019-01-25 2019-12-24 中建四局安装工程有限公司 Horizontal mounting bracket for heavy pipeline of steel structure building
CN209925856U (en) * 2019-03-12 2020-01-10 苏州科技大学 Sleeve friction type adjustable damping energy dissipation and shock absorption support
KR20200117675A (en) * 2019-04-05 2020-10-14 한양이엔지 주식회사 Coupler opening and shutting device and system for connecting hose used to supply chemical using same
CN210423959U (en) * 2019-06-21 2020-04-28 苏州金螳螂建筑装饰股份有限公司 Hang a gallows is synthesized to multi-functional finished product of furred ceiling
CN210326793U (en) * 2019-08-05 2020-04-14 淳于长舒 Prevent winding communication equipment wiring frame of cable
CN210246205U (en) * 2019-09-20 2020-04-03 北京市兴南电气工程有限公司 Cable bridge
ES1247680U (en) * 2020-04-17 2020-06-12 Unex Aparellaje Electrico Sl SUPPORT BAR SET FOR CABLE TRAYS (Machine-translation by Google Translate, not legally binding)
CN215215065U (en) * 2020-12-29 2021-12-17 长江勘测规划设计研究有限责任公司 Comprehensive support and hanger system for oil-gas water pipeline and cable bridge of hydropower station

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