CN111172933A - Disconnection clearing device for inverted-vertical monitoring facility and using method - Google Patents

Disconnection clearing device for inverted-vertical monitoring facility and using method Download PDF

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Publication number
CN111172933A
CN111172933A CN202010069168.3A CN202010069168A CN111172933A CN 111172933 A CN111172933 A CN 111172933A CN 202010069168 A CN202010069168 A CN 202010069168A CN 111172933 A CN111172933 A CN 111172933A
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CN
China
Prior art keywords
steel wire
wire rope
inverted
hole
stainless steel
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Pending
Application number
CN202010069168.3A
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Chinese (zh)
Inventor
邓成发
邱松青
吉顺文
于桓飞
郑敏生
何耀辉
施齐欢
闫滨
王凯
唐红霞
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Zhejiang Institute of Hydraulics and Estuary
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Zhejiang Institute of Hydraulics and Estuary
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Application filed by Zhejiang Institute of Hydraulics and Estuary filed Critical Zhejiang Institute of Hydraulics and Estuary
Priority to CN202010069168.3A priority Critical patent/CN111172933A/en
Publication of CN111172933A publication Critical patent/CN111172933A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02—Fixed barrages
    • E02B7/04—Dams across valleys
    • E02B7/08—Wall dams

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

The invention discloses a device for removing a broken line of an inverted-droop monitoring facility and a using method thereof. The disconnection clearing device of the inverted-hanging monitoring facility comprises a plurality of sections of stainless steel wires, a steel wire rope and a chain block; one end of each section of stainless steel wire is bent into a hook shape, the stainless steel wires are arranged in equal intervals according to the number of the sections of the stainless steel wires along the circumference of the cross section of the steel wire rope and are attached to the lower end of the steel wire rope along the length direction of the steel wire rope, and the stainless steel wires are fixed on the steel wire rope by a hoop; the length of the steel wire rope is longer than the depth of the inverted hole; the upper end of the steel wire rope penetrates through a hook arranged at the lower part of the chain block, and the upper end of the steel wire rope is fixed by a buckle. The chain block is hung on the tripod through a hook arranged on the upper part of the chain block; the tripod is arranged on the ground, and the height of the tripod can be adjusted, so that the tripod is convenient for workers to operate. The invention does not need to use large-scale equipment such as a drilling machine and the like, is simple and convenient to manufacture, install and operate, and can be applied to dam galleries with small space.

Description

Disconnection clearing device for inverted-vertical monitoring facility and using method
Technical Field
The invention relates to the technical field of maintenance of dam safety monitoring facilities, in particular to a device for removing a broken line of an inverted monitoring facility and a using method thereof.
Background
In order to monitor the horizontal displacement of arch dams and gravity dams, a plumb line device is often installed in the dam body for long-term observation. The plumb line device is generally divided into an upper part and a lower part, wherein the upper part is a plumb line, namely an indium steel wire is arranged in a special shaft from the dam crest to a gallery in the dam, the upper end of the indium steel wire is fixed at the dam crest, the lower end of the indium steel wire suspends a heavy hammer, the heavy hammer is arranged in an oil drum, and the horizontal displacement of a dam body relative to the gallery can be monitored by observing the displacement of the indium steel wire at a measuring point; the lower part is an inverted vertical line, namely an indium steel wire is arranged in a drill hole from the gallery to the deep part of the dam foundation bedrock, the lower end of the indium steel wire is fixed at the hole bottom (immobile point) through an anchor block, the upper end of the indium steel wire is tied on a floater of an orifice floating device, and the horizontal displacement of the gallery relative to the immobile point of the dam foundation bedrock is monitored through a measuring point arranged in the gallery. The absolute horizontal displacement of each measuring point in the dam body can be calculated through the combined use of the forward line and the backward line. For a dam with low dam height, the upper end of the inverted vertical line can be directly arranged at the top of the dam, and the absolute horizontal displacement of the dam can be directly monitored.
The main equipment of the plumb line device, namely the indium steel wire, can be broken after being used for a long time or when the plumb line device is not used properly, at the moment, the plumb line can be directly replaced from the top, but for the inverted plumb line, a hole is generally swept in the original inverted plumb hole, the indium steel wire and the concrete above the anchor block are all taken out, and then a new anchor block and the indium steel wire are installed at the position (on the old anchor block) where the hole is cleared, but the method has the following defects or shortcomings: (1) drilling equipment is required to enter a field, so that the investment is high, and meanwhile, a drilling machine needs to be disassembled and carried into a dam corridor, so that the working difficulty is high; (2) devices such as a bracket, a buoy and the like above the observation platform and the inverted hole need to be removed, and the new anchor block and the indium steel wire still need to be installed again after being installed, so that the process is complex; (3) and drilling rigs cannot be arranged in the dam gallery with small space.
Disclosure of Invention
The invention aims to solve the technical problem that the disconnection of an inverted-vertical monitoring facility is difficult to remove, and provides a device and a method for removing the disconnection of the inverted-vertical monitoring facility, so that necessary conditions are created for repairing the inverted-vertical monitoring facility.
The technical scheme provided by the invention is as follows:
the utility model provides a monitoring facilities disconnection clearing device that hangs down, includes a plurality of sections stainless steel wires, wire rope, chain block, the one end of every section stainless steel wire is buckled into hook-like, is similar to the barb of fishhook. The stainless steel wires are arranged along the circumference of the cross section of the steel wire rope in equal intervals according to the number of the segments, are attached to the lower end of the steel wire rope along the length direction of the steel wire rope, are fixed on the steel wire rope by a hoop, penetrate through a hook arranged on the lower portion of the chain block at the upper end of the steel wire rope, and are fixed by a buckle.
The chain block is hung on the tripod through a hook arranged on the upper part of the chain block. The tripod is arranged on the ground, and the height of the tripod can be adjusted, so that the tripod is convenient for workers to operate.
The length of the steel wire rope is longer than the depth of the inverted hole.
The clamp spacing is substantially equal.
The stainless steel wire is preferably 4 segments.
The use method of the disconnection clearing device for the drooping monitoring facility comprises the following steps:
s1, measuring the depth L from the orifice of the inverted vertical hole to the top of the anchoring end0Distance L from the orifice to the bottom of the float bowl1And the remaining broken length L of the inverted perpendicular line of the orificexThe length of the remaining inverted vertical line in the hole is L ═ L0+L1-Lx；
S2, fixing a plurality of sections of stainless steel wires bent into hook-shaped steel wires on the steel wire rope through a hoop;
s3, placing a tripod bracket on the ground of the orifice of the inverted hole, and adjusting the height of the bracket to facilitate the operation of people; aligning the top of the tripod to the center of the inverted hole, and installing a chain block;
s4, slowly placing a steel wire rope with one end provided with a stainless steel wire hook into an inverted hole, rotating the steel wire rope along the hole wall when the steel wire rope is blocked and can not be placed after multiple attempts, gradually winding the broken inverted vertical line on the steel wire rope, trying to pull the steel wire rope while rotating, tensioning the steel wire rope when obviously sensing the stress of the steel wire rope and can not be pulled, hanging the upper end of the steel wire rope on a hook at the lower part of a chain block, and fixing the upper end of the steel wire rope by adopting a buckle;
s5, pulling the chain block until the inverted vertical line in the inverted vertical hole is broken, taking out the broken inverted vertical line, and measuring the length l of the broken inverted vertical line0The length of the remaining inverted vertical line in the hole is L-L0；
And S6, lowering the steel wire rope again, repeating the steps S4 and S5, and when the length l of the remaining inverted vertical line is smaller than the diameter of the inverted vertical hole, determining that the broken inverted vertical line is removed.
And after the broken inverted vertical line is removed, looking up the installation and embedding testboard data of the original inverted vertical hole, determining the effective aperture and the circle center position of the inverted vertical hole, installing a new anchor block according to the specification of an inverted vertical device manufacturer, grouting, finally installing assemblies such as a floating barrel and the like, and completing the restoration of the inverted vertical monitoring facility.
The reverse perpendicular line is an indium steel wire.
The invention has the beneficial effects that:
(1) large-scale equipment such as a drilling machine and the like is not required, and the equipment is simple and convenient to manufacture, install and operate.
(2) The method can also be applied to dam galleries with small space.
(3) Because the depth of the inverted vertical hole is generally deeper (1/4-1/2 of the height of the dam and not less than 10m), and the length of the residual old anchor section at the bottom is generally only 1.0-1.5 m, the influence of not removing the old anchor block on the observation effect is not large.
Drawings
Fig. 1 is a schematic structural diagram of a disconnection removing device for an inverted droop monitoring facility according to an embodiment of the present invention;
FIG. 2 is a detailed view of the lower end of a steel cord of an embodiment of the present invention;
FIG. 3 is a detail view of the upper end of a steel cord according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the calculation of the length of a broken indium wire in an inverted hole according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the calculation of the remaining length of the indium steel wire in the inverted hole according to the embodiment of the present invention;
fig. 6 is a schematic structural view of the repaired inverted vertical line according to the embodiment of the invention.
In the figure: 1-an inverted hole; 2-indium steel wire; 3-a steel wire rope; 31-buckling; 32-a clamp; 4-stainless steel wire; 5-chain block; 51-tripod stand; 6-floating barrel; 7-anchor block.
Detailed Description
The invention is described in further detail below with reference to figures 1 to 6:
the invention relates to a disconnection clearing device for an inverted-hanging monitoring facility, which comprises four sections of stainless steel wires 4, a steel wire rope 3 and a chain block 5, wherein each section of stainless steel wire 4 is generally 20-30 cm in length, the diameter is generally 3-4 mm, one end of each section of stainless steel wire 4 is bent into a hook shape, the hook is similar to an agnail of a fishhook, the length of the hook is generally 5-8 cm, and the bending angle is generally 40-50 degrees; the stainless steel wires 4 are arranged in an equal division mode along the circumference of the cross section of the steel wire rope 3 by 90 degrees, the stainless steel wires 4 are attached to the lower end of the steel wire rope 3 along the length direction of the steel wire rope 3, the stainless steel wires 4 are fixed on the steel wire rope 3 through 3-5 hoops 32, and the distances between the hoops 32 are basically equal. The length of the steel wire rope 3 is generally longer than the depth of the inverted hole 1 by about 2 m; the upper end of the steel wire rope 3 penetrates through a hook arranged at the lower part of the chain block 5, and the upper end of the steel wire rope 3 is fixed by a buckle 31. The chain block 5 is hung on the tripod 51 by a hook arranged on the upper part thereof. The tripod 51 is arranged on the ground, and the height of the tripod 51 is adjusted, so that the operation of workers is facilitated.
The invention relates to a using method of the disconnection clearing device for the inverted vertical monitoring facility, which comprises the following steps:
s1, measuring the depth L from the orifice of the inverted vertical hole 1 to the top of the anchoring end0Distance L from the orifice to the bottom of the float bowl 61And the remaining broken indium wire length L of the orificexThe length of the residual indium steel wire in the hole is L ═ L0+L1-Lx。
S2, the four-piece stainless steel wire 4 bent into a hook shape is fixed to the wire rope 3 by the clip 32.
S3, mounting a chain block 5 tripod bracket 51 on the ground of the orifice of the inverted hole 1, and adjusting the height of the tripod bracket 51 to facilitate the operation of people; the top of the tripod bracket 51 is aligned with the center of the inverted hole 1, and the chain block 5 is installed.
S4, slowly placing the steel wire rope 3 with one end provided with the stainless steel wire hook into the inversely hanging hole 1, rotating the steel wire rope 3 along the hole wall when the steel wire rope 3 meets resistance and cannot be placed through repeated attempts, gradually winding the broken indium steel wire 2 on the steel wire rope 3, trying to pull the steel wire rope 3 while rotating, tensioning the steel wire rope 3 when obviously sensing the stress of the steel wire rope 3 and cannot be pulled, hanging the upper end of the steel wire rope 3 on a hook at the lower part of the chain block 5, and fixing the upper end of the steel wire rope 3 by adopting a buckle 31.
S5, pulling the chain block 5 until the indium steel wire 2 in the inverted hole 1 is broken, taking out the broken indium steel wire 2, and measuring the length l0The length of the residual indium steel wire 2 in the hole is L-L0；
S6, lowering the steel wire rope 3 again, repeating the steps S4 and S5, and when the length l of the residual indium steel wire 2 is smaller than the diameter of the inverted hole 1, determining that the broken indium steel wire 2 is removed.
And after the broken inverted vertical line is removed, looking up the original inverted vertical hole 1 for installing and burying the evidence of examination, determining the effective aperture and the circle center position of the inverted vertical hole 1, installing a new anchor block 7 according to the specification of an inverted vertical device manufacturer, grouting, finally installing assemblies such as a floating barrel 6 and the like, and completing the restoration of the inverted vertical monitoring facility.
The above embodiments are described in connection with the accompanying drawings, but should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are within the scope of the present invention.

Claims (8)

1. The utility model provides a monitoring facilities disconnection clearing device that hangs down which characterized in that: the steel wire rope comprises a plurality of sections of stainless steel wires, a steel wire rope and a chain block; one end of each section of stainless steel wire is bent into a hook shape, the stainless steel wires are arranged in equal intervals according to the number of the sections of the stainless steel wires along the circumference of the cross section of the steel wire rope and are attached to the lower end of the steel wire rope along the length direction of the steel wire rope, and the stainless steel wires are fixed on the steel wire rope by a hoop; the upper end of the steel wire rope penetrates through a hook arranged at the lower part of the chain block, and the upper end of the steel wire rope is fixed by a buckle.
2. The apparatus according to claim 1, wherein: the hand chain block is hung on the tripod bracket with adjustable height through the hook arranged on the upper part of the hand chain block, and the tripod bracket is arranged on the ground.
3. The apparatus according to claim 1, wherein: the length of the steel wire rope is longer than the depth of the inverted hole.
4. The apparatus according to claim 1, wherein: the clamp intervals are equal.
5. The apparatus according to claim 1, wherein: the stainless steel wire is provided with four sections.
6. Use of the apparatus according to any one of claims 1 to 5, wherein: it comprises the following steps:
s1, measuring the depth L from the orifice of the inverted vertical hole to the top of the anchoring end0Distance L from the orifice to the bottom of the float bowl1And the remaining broken length L of the inverted perpendicular line of the orificexThe length of the remaining inverted vertical line in the hole is L ═ L0+L1-Lx；
S2, fixing a plurality of sections of stainless steel wires bent into hook-shaped steel wires on the steel wire rope through a hoop;
s3, placing a tripod bracket on the ground of the orifice of the inverted vertical hole, and adjusting the height of the bracket to facilitate the operation of workers; aligning the top of the tripod to the center of the inverted hole, and installing a chain block;
s4, slowly placing a steel wire rope with one end provided with a stainless steel wire hook into an inverted hole, rotating the steel wire rope along the hole wall when the steel wire rope is blocked and can not be placed after multiple attempts, gradually winding the broken inverted vertical line on the steel wire rope, trying to pull the steel wire rope while rotating, tensioning the steel wire rope when obviously sensing the stress of the steel wire rope and can not be pulled, hanging the upper end of the steel wire rope on a hook at the lower part of a chain block, and fixing the upper end of the steel wire rope by adopting a buckle;
s5, pulling the chain block until the inverted vertical line in the inverted vertical hole is broken, taking out the broken inverted hammer line body, and measuring the length l of the broken inverted hammer line body0The length of the rest of the inverted hammer line body in the hole is L-L0；
And S6, lowering the steel wire rope again, repeating the steps S4 and S5, and when the length l of the remaining inverted vertical line is smaller than the diameter of the inverted vertical hole, determining that the broken inverted vertical line is removed.
7. The use of the apparatus according to claim 6, wherein: the clamp setting intervals in the step S2 are equal.
8. The use of the apparatus according to claim 6, wherein: the length of the wire rope in the step S4 is longer than the depth of the inverted hole.
CN202010069168.3A 2020-01-21 2020-01-21 Disconnection clearing device for inverted-vertical monitoring facility and using method Pending CN111172933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010069168.3A CN111172933A (en) 2020-01-21 2020-01-21 Disconnection clearing device for inverted-vertical monitoring facility and using method

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Application Number Priority Date Filing Date Title
CN202010069168.3A CN111172933A (en) 2020-01-21 2020-01-21 Disconnection clearing device for inverted-vertical monitoring facility and using method

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CN111172933A true CN111172933A (en) 2020-05-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113607125A (en) * 2021-08-04 2021-11-05 中国电建集团昆明勘测设计研究院有限公司 Monitoring system for monitoring tension of inverted plumb measuring line and using method
CN114152242A (en) * 2021-12-18 2022-03-08 浙江省正邦水电建设有限公司 Dam horizontal displacement monitoring vertical line protection pipe pre-embedding construction method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113607125A (en) * 2021-08-04 2021-11-05 中国电建集团昆明勘测设计研究院有限公司 Monitoring system for monitoring tension of inverted plumb measuring line and using method
CN113607125B (en) * 2021-08-04 2023-06-09 中国电建集团昆明勘测设计研究院有限公司 Monitoring system for monitoring tension of inverted vertical line and using method
CN114152242A (en) * 2021-12-18 2022-03-08 浙江省正邦水电建设有限公司 Dam horizontal displacement monitoring vertical line protection pipe pre-embedding construction method
CN114152242B (en) * 2021-12-18 2024-04-05 浙江省正邦水电建设有限公司 Dam horizontal displacement monitoring vertical line protection pipe pre-embedding construction method

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