CN108317341B - Mountain area hydropower station pressure pipeline prevents falling stone damage structure - Google Patents

Mountain area hydropower station pressure pipeline prevents falling stone damage structure Download PDF

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Publication number
CN108317341B
CN108317341B CN201810341581.3A CN201810341581A CN108317341B CN 108317341 B CN108317341 B CN 108317341B CN 201810341581 A CN201810341581 A CN 201810341581A CN 108317341 B CN108317341 B CN 108317341B
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China
Prior art keywords
rubber pad
pad
steel
protection pad
protection
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CN201810341581.3A
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Chinese (zh)
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CN108317341A (en
Inventor
王朋
武汉清
连源财
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Jiangmen Keyu Water Conservancy Planning And Design Consulting Co ltd
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Jiangmen Keyu Water Conservancy Planning And Design Consulting Co ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/046Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The invention provides a mountain hydropower station pressure pipeline anti-falling stone damage structure, which comprises a protection pad, a steel plate fixed on a ballast, and a connecting piece of the protection pad and the steel plate, wherein the protection pad structure formed by combining the rubber pad and a spring has a good energy dissipation and shock absorption effect, has a good protection effect on damage of mountain collapse and falling stones to the pressure pipeline, is simple in construction and is convenient for practical operation.

Description

Mountain area hydropower station pressure pipeline prevents falling stone damage structure
Technical Field
The invention relates to a hydropower station protection structure, in particular to a structure for preventing landslide and collapse of a pressure pipeline of a hydropower station in a mountain area from damaging.
Background
Small hydropower stations are a common form of hydropower station in China, and are generally built in places closer to mountain bodies in order to increase water heads. The small hydropower station pressure pipeline in the mountain area is an important building of a hydropower station water diversion system, and the pressure pipeline is a water pipe for conveying water quantity from a reservoir, a pressure front pool or a pressure regulating chamber to a water turbine and is in a pressure state generally. The hydraulic pipeline protecting device is characterized in that most or all water heads of the hydropower station are concentrated, and the hydraulic pipeline protecting device has special importance for protecting the pressure pipeline because the water pressure in the pipe is high and the hydraulic pipeline is impacted by dynamic water pressure and is close to the factory building, and once the hydraulic pipeline is damaged, the safety of the factory building is seriously threatened.
In the prior art, the protection of the pressure pipeline is mainly limited to the supporting of the ballast, and the local erection of the protection net protects the mountain falling rocks from damaging the pipeline. It is difficult to protect the pressure pipe comprehensively and effectively. In view of the importance, it is necessary to provide a water delivery pressure pipeline protection device with good rebound damping and energy dissipation effects.
Disclosure of Invention
The invention provides a falling stone damage prevention structure of a pressure pipeline, aiming at the technical problems, comprising a protection pad, a steel plate fixed on a ballast, a connecting flat steel and a bolt, wherein the protection pad is connected with the steel plate, and an expansion bolt is connected with the ballast, wherein: the protection pad consists of an upper rubber pad, a lower rubber pad, springs, edge-covered rubber pads and steel wires, wherein the springs are fixed between the upper rubber pad and the lower rubber pad and are distributed in a square grid type, two ends of each spring respectively penetrate through the upper rubber pad and the lower rubber pad, then the two ends of each spring are bent into hooks, steel wires penetrate through the hooks at the two ends of each spring to connect the springs in the upper rubber pad and the lower rubber pad into a whole, the edge-covered rubber pads are fixed on the outer sides of the upper rubber pad and the lower rubber pad and distributed along the periphery of the protection pad, bolt holes are formed in each 500cm of two sides of the protection pad, one end of each connecting flat steel penetrates through the bolt holes to be connected with the protection pad, and the other end of each connecting flat steel is fixedly connected with the steel plates; the steel plates are arranged between two adjacent press piers of the pressure pipeline, are of a straight structure and are arranged in parallel with the direction of the pressure pipeline, and are fixed on the press piers through expansion bolts; every 500cm of the steel plate is provided with a connecting flat steel and a bolt which are used as connecting pieces for connecting the protection pad and the steel plate, and the protection pad is fixed on the steel plate.
Preferably, the springs at the outermost periphery in the upper and lower rubber pads penetrate through the edge-covered rubber pad and the upper and lower rubber pads at the same time, and the edge-covered rubber pad, the springs and the upper and lower rubber pads are connected into a whole.
Preferably, the protection pad can be manufactured and installed in blocks according to the pipe diameter of the pipeline.
Preferably, the steel wire for connecting the protective pad can be made of stainless steel materials or coated with antirust paint.
Preferably, the upper rubber pad and the lower rubber pad in the protection pad can be replaced by Cheng Fanbu or a thin steel plate.
The invention also provides a construction method of the pressure pipeline anti-falling stone damage structure of the mountain hydropower station, which comprises the following construction steps:
s1: fixing a steel plate on the press piers, arranging bolt holes on the steel plate, fixing the steel plate on the press piers through the expansion bolts, wherein the steel plate is arranged between two adjacent press piers of the pressure pipeline, is of a straight structure and is arranged in parallel with the direction of the pressure pipeline;
s2: manufacturing a protection pad, arranging a spring on the lower rubber pad, and fixing the upper rubber pad on the spring, so that the spring is fixed between the upper rubber pad and the lower rubber pad and distributed in a square grid manner, wherein two ends of the spring respectively penetrate through the upper rubber pad and the lower rubber pad, then the two ends of the spring are bent into a hook shape, and steel wires penetrate through the hook-shaped structure of the spring, so that the springs in the upper rubber pad and the lower rubber pad are connected into a whole; the outer sides of the upper rubber pad and the lower rubber pad are provided with edge-covered rubber pads which are distributed along the periphery of the protection pad; bolt holes are formed in each 500cm of the two sides of the protection pad;
s3: the device comprises a connecting protection pad and connecting flat steel, wherein bolt holes are formed in two ends of the connecting flat steel, one end of the connecting flat steel is fixedly connected with the protection pad through bolts and the bolt holes penetrating through the protection pad, and the protection pad and the connecting flat steel which are connected into a whole are transported to the vicinity of a pressure pipeline;
s4: and connecting the protection pad, aligning the bolt hole at the other end of the connecting flat steel with the bolt hole on the steel plate, and penetrating through the bolt, so that the protection pad is fixed on the steel plate to form the protection device of the pressure pipeline.
Preferably, the springs at the outermost periphery in the upper and lower rubber pads penetrate through the edge-covered rubber pad and the upper and lower rubber pads at the same time, and the edge-covered rubber pad, the springs and the upper and lower rubber pads are connected into a whole.
Preferably, the steel wire for connecting the protective pad can be made of stainless steel materials or coated with antirust paint.
Summarizing the advantages and technical effects of the invention are as follows:
the protection pad structure formed by combining the rubber pad and the spring has good energy dissipation and shock absorption effects, has good protection effect on damage of mountain collapse and collapse stones to the pressure pipeline, is simple in construction and is convenient for practical operation.
Description of the drawings:
FIG. 1 is a plan view of a pressure pipe structure for preventing stone breakage;
FIG. 2 is a cross-sectional view of a pressure pipe construction for preventing rock fall damage;
FIG. 3 is an expanded plan view of a pressure pipe anti-rock fall damage structure;
FIG. 4 is a cross-sectional view of a protective pad;
fig. 5 is a flow chart of the construction process of the present invention.
The specific embodiment is as follows: the following is a specific explanation of the structure defined by the present invention with reference to the drawings.
The invention provides a falling stone damage prevention structure of a pressure pipeline 1, which comprises a protection pad 3, a steel plate 4 fixed on a ballast 2, a connecting flat steel 5 and a bolt 6, wherein the protection pad 3 is connected with the steel plate 4, and an expansion bolt 7 is connected with the steel plate 4 and the ballast, wherein: the protection pad 3 consists of an upper rubber pad 8, a lower rubber pad 8, springs 9, steel wires 10 and a covered rubber pad 11, wherein the springs 9 are fixed between the upper rubber pad and the lower rubber pad and distributed in a square grid type manner, two ends of each spring 9 respectively penetrate through the upper rubber pad 8 and the lower rubber pad and then are bent into hooks, steel wires 10 penetrate through the hooks at two ends of each spring 9 to connect the springs 9 in the upper rubber pad 8 and the lower rubber pad into a whole, the covered rubber pad 11 is fixed on the outer sides of the upper rubber pad and the lower rubber pad, bolt holes are distributed along the periphery of the protection pad 3, bolt holes are formed in each 500cm of two sides of the protection pad 3, one end of each connecting flat steel 5 penetrates through the corresponding bolt hole through the corresponding bolt 6 and is connected with the protection pad 3, and the other end of each connecting flat steel 5 is fixedly connected with the corresponding steel plate 4; the steel plates 4 are arranged between two adjacent press piers 2 of the pressure pipeline 1, the steel plates 4 are of a straight structure and are arranged in parallel with the direction of the pressure pipeline, and the steel plates 4 are fixed on the press piers through expansion bolts 7; every 500cm of the steel plate 4 is provided with a connecting flat steel 5 and a bolt 6 which are used as connecting pieces for connecting the protection pad 3 and the steel plate 4, and the protection pad 3 is fixed on the steel plate 4.
Preferably, the springs at the outermost periphery in the upper and lower rubber pads 8 penetrate through the edge-covered rubber pads and the upper and lower rubber pads 8 at the same time, and the edge-covered rubber pads 11, the springs 9 and the upper and lower rubber pads 8 are connected into a whole.
Preferably, the protection pad 3 can be manufactured and installed in blocks according to the pipe diameter of the pipeline.
Preferably, the steel wire 10 for connecting the inside of the protection pad 3 is made of stainless steel material or coated with antirust paint.
Preferably, the upper and lower rubber pads 8 in the protection pad 3 can be replaced by Cheng Fanbu or thin steel plates.
The invention also provides a construction method of the pressure pipeline anti-falling stone damage structure of the mountain hydropower station, which comprises the following construction steps:
s1: fixing a steel plate 4 on the press piers 2, arranging bolt holes on the steel plate 4, fixing the steel plate 4 on the press piers 2 through the expansion bolts 7, wherein the steel plate 4 is arranged between two adjacent press piers 2 of the pressure pipeline 1, and the steel plate 4 is of a straight structure and is arranged in parallel with the direction of the pressure pipeline 1;
s2: manufacturing a protection pad 3, arranging a spring 9 on the lower rubber pad, and fixing the upper rubber pad on the spring 9, so that the spring 9 is fixed between the upper rubber pad and the lower rubber pad and distributed in a square grid, wherein two ends of the spring 9 respectively penetrate through the upper rubber pad and the lower rubber pad 8, then the two ends are bent into a hook shape, and steel wires 10 penetrate through the hook-shaped structure of the spring 9, so that the spring 9 in the upper rubber pad and the lower rubber pad 8 are connected into a whole; the outsides of the upper rubber pad and the lower rubber pad are provided with edge-covered rubber pads 11, and the edge-covered rubber pads 11 are distributed along the periphery of the protection pad 3; bolt holes are formed in each 500cm of the two sides of the protection pad 3;
s3: the protection pad 3 and the connection flat steel 5 are connected, bolt holes are formed in two ends of the connection flat steel 5, one end of the connection flat steel 5 is fixedly connected with the protection pad 3 through bolts 6 and the bolt holes penetrating through the protection pad 3, and the protection pad 3 and the connection flat steel 5 which are connected into a whole are transported to the vicinity of the pressure pipeline 1;
s4: and connecting the protection pad 3, aligning the bolt hole at the other end of the connecting flat steel 5 with the bolt hole on the steel plate 4, and penetrating the bolt, thereby fixing the protection pad 3 on the steel plate 4 to form the protection device of the pressure pipeline 1.
Preferably, the springs 9 at the outermost periphery in the upper and lower rubber pads 8 penetrate through the edge-covered rubber pad 11 and the upper and lower rubber pads 8 at the same time, and the edge-covered rubber pad 11, the springs 9 and the upper and lower rubber pads 8 are connected into a whole.
Preferably, the steel wire 10 for connecting the inside of the protection pad 3 is made of stainless steel material or coated with antirust paint.
The above-described embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be construed as being limited to the specific forms set forth by the examples, but also includes equivalent technical means as will occur to those skilled in the art based on the inventive concept.

Claims (3)

1. The utility model provides a mountain area hydropower station pipeline under pressure prevents construction method of stone damage structure that falls, this structure includes the protection pad, fixes the steel sheet on the ballast, connection band steel and the bolt that the protection pad is connected with the steel sheet, expansion bolts that the steel sheet is connected with the ballast, its characterized in that: the protection pad consists of an upper rubber pad, a lower rubber pad, springs, edge-covered rubber pads and steel wires, wherein the springs are fixed between the upper rubber pad and the lower rubber pad and are distributed in a square grid manner, two ends of each spring respectively penetrate through the upper rubber pad and the lower rubber pad, then the two ends of each spring are bent into hooks, the steel wires penetrate through the hooks at the two ends of each spring, the springs in the upper rubber pad and the lower rubber pad are connected into a whole, the edge-covered rubber pads are fixed on the outer sides of the upper rubber pad and the lower rubber pad and distributed along the periphery of the protection pad, bolt holes are formed in each 500cm of two sides of the protection pad, one end of each connecting flat steel penetrates through the bolt holes to be connected with the protection pad, and the other end of each connecting flat steel is fixedly connected with the steel plates; the steel plates are arranged between two adjacent press piers of the pressure pipeline, are of a straight structure and are arranged in parallel with the direction of the pressure pipeline, and are fixed on the press piers through expansion bolts; connect band steel and bolt, as the connecting piece that protection pad and steel sheet link to each other, fix protection pad on the steel sheet, its characterized in that: the construction method comprises the following construction steps:
s1: fixing a steel plate on the press piers, arranging bolt holes on the steel plate, fixing the steel plate on the press piers through the expansion bolts, wherein the steel plate is arranged between two adjacent press piers of the pressure pipeline, is of a straight structure and is arranged in parallel with the direction of the pressure pipeline;
s2: manufacturing a protection pad, arranging a spring on the lower rubber pad, and fixing the upper rubber pad on the spring, so that the spring is fixed between the upper rubber pad and the lower rubber pad and distributed in a square grid manner, wherein two ends of the spring respectively penetrate through the upper rubber pad and the lower rubber pad, then the two ends of the spring are bent into a hook shape, and steel wires penetrate through the hook-shaped structure of the spring, so that the springs in the upper rubber pad and the lower rubber pad are connected into a whole; the outer sides of the upper rubber pad and the lower rubber pad are provided with edge-covered rubber pads which are distributed along the periphery of the protection pad; bolt holes are formed in each 500cm of the two sides of the protection pad;
s3: the device comprises a connecting protection pad and connecting flat steel, wherein bolt holes are formed in two ends of the connecting flat steel, one end of the connecting flat steel is fixedly connected with the protection pad through bolts and the bolt holes penetrating through the protection pad, and the protection pad and the connecting flat steel which are connected into a whole are transported to the vicinity of a pressure pipeline;
s4: and connecting the protection pad, aligning the bolt hole at the other end of the connecting flat steel with the bolt hole on the steel plate, and penetrating through the bolt, so that the protection pad is fixed on the steel plate to form the protection device of the pressure pipeline.
2. The construction method of the mountain hydropower station pressure pipeline anti-falling stone damage structure as recited in claim 1, wherein: the springs at the outermost periphery in the upper rubber pad and the lower rubber pad penetrate through the edge-covered rubber pad and the upper rubber pad and the lower rubber pad simultaneously to connect the edge-covered rubber pad, the springs and the upper rubber pad and the lower rubber pad into a whole.
3. The construction method of the mountain hydropower station pressure pipeline anti-falling stone damage structure as recited in claim 1, wherein: the steel wire for connecting the protective pad adopts stainless steel material or is coated with antirust paint.
CN201810341581.3A 2018-04-17 2018-04-17 Mountain area hydropower station pressure pipeline prevents falling stone damage structure Active CN108317341B (en)

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Application Number Priority Date Filing Date Title
CN201810341581.3A CN108317341B (en) 2018-04-17 2018-04-17 Mountain area hydropower station pressure pipeline prevents falling stone damage structure

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Application Number Priority Date Filing Date Title
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CN108317341B true CN108317341B (en) 2023-07-28

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197098B (en) * 2014-07-31 2016-02-17 中国船舶重工集团公司第七一九研究所 A kind of supporting pipeline device of adaptability adjustment setting height(from bottom)
CN105040579A (en) * 2015-09-02 2015-11-11 江苏明福钢结构有限公司 Bridge pier coating warning board and construction method thereof
CN206130314U (en) * 2016-11-02 2017-04-26 金鹏威 Unsettled oil gas pipeline supports reinforcing apparatus
CN106638788A (en) * 2017-01-20 2017-05-10 云南大红山管道有限公司 Long-distance high-lift large-caliber pipeline water conveyance system with water hammer eliminating function
CN206572062U (en) * 2017-02-07 2017-10-20 安徽奥睿德科技发展有限公司 A kind of heavy antidetonation pipe clamp of application para-seismic support
CN106641588B (en) * 2017-02-13 2018-10-23 平罗县龙江液化气有限责任公司 A kind of natural gas line protective device
CN107477261A (en) * 2017-08-30 2017-12-15 合肥华骏汽车部件有限公司 A kind of guide pipe of service life length
CN107676546A (en) * 2017-10-31 2018-02-09 曾国琼 A kind of plumbing installation of antidetonation

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Effective date of registration: 20210108

Address after: 450003 No.17, unit 1, building 1, yard 6, Hongzhuan Road North Street, Jinshui District, Zhengzhou City, Henan Province

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Address before: 450002 no.2005, Huakai building, 21 Jingqi Road, Jinshui District, Zhengzhou City, Henan Province

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