CN111287735A - Deep hole aperture detection device - Google Patents
Deep hole aperture detection device Download PDFInfo
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- CN111287735A CN111287735A CN202010211352.7A CN202010211352A CN111287735A CN 111287735 A CN111287735 A CN 111287735A CN 202010211352 A CN202010211352 A CN 202010211352A CN 111287735 A CN111287735 A CN 111287735A
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- rod
- measuring
- middle shaft
- shaft
- ferrule
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000002787 reinforcement Effects 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000005553 drilling Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A deep hole aperture detection device comprises a middle shaft rod, outer circumference measuring rods, a traction rope, a hollow nut, a rope snap ring, an elastic rope, a middle shaft rod inner rod and a ferrule, wherein the outer circumference measuring rods are formed by uniformly distributing 2-8 groups of connecting rod type measuring rods with the same size on the circumference side of the middle shaft rod, each connecting rod type measuring rod comprises an upper measuring rod and a lower measuring rod which are connected by a loose joint, the upper ends of the upper measuring rods of the connecting rod type measuring rods are all fixed on a shaft seat on which a pin shaft is arranged on the middle shaft rod and are movably fixed on the shaft seat of the pin shaft, the lower ends of the lower measuring rods of the connecting rod type measuring rods are all movably fixed on the lower end of the middle shaft rod by a second pin shaft and are connected to the ferrule, the shaft seat of the second pin shaft is arranged on the ferrule, and the traction rope drives each group of the two; one end of the traction rope is fixed to the upper end of the middle shaft inner rod or is directly connected with the ferrule, and the other end of the traction rope is a free end.
Description
Technical Field
The invention relates to a drilling hole diameter detection device for foundation construction of various constructional engineering, in particular to a deep hole diameter detection device.
Background
The drilling is applied to large-diameter drilling construction of projects such as various buildings or transportation bridges remote to revetment and the like, drilling tools of large drill bits are needed for drilling, and particularly the variable-diameter reinforcement cage invented by the applicant and the inventor of the invention has the requirement during construction, and the applicant's prior application patents include but are not limited to: CN2017211488836, a variable-diameter steel reinforcement cage and an anchor rod, CN2017213763240, a bag expansion variable-diameter steel reinforcement cage and an anchor rod, CN2017211496584, CN2017208194362, a device for overcoming construction deformation of an anti-floating tensile anchor rod and the like.
The diameter of the drilled hole is larger than that of the upper common pile rod, so that the large-diameter head of the variable-diameter steel reinforcement cage at the lower end is released to form a steel reinforcement framework of a pile foundation. Therefore, it is best to measure the hole with the large diameter formed at the lower end after drilling, and the hole position at the lower part where the variable-diameter steel reinforcement cage is located is not fully reamed, otherwise the release of the variable-diameter steel reinforcement cage fails (the expanded diameter framework cannot be opened), which not only causes the loss of the variable-diameter steel reinforcement cage, but also causes a great deal of man-hour loss. The construction progress is influenced.
The prior art does not find a deep hole aperture (diameter) detection device.
Disclosure of Invention
The invention aims to provide a deep hole (the depth of which can reach below ten meters and even twenty meters) aperture detection device. The detection device is put into the diameter of the drilled hole, so that the aperture can be measured at the lower-end hole expanding position, and the detection efficiency is ensured. The method is suitable for the prior CN2017211488836, a variable-diameter reinforcement cage and an anchor rod matched with the applicant, and the application of the bag expansion variable-diameter reinforcement cage and the anchor rod matched with the CN 2017213763240.
In order to achieve the purpose, the invention adopts the technical scheme that: a deep hole aperture detection device comprises a middle shaft lever 7-1, an outer circumference measuring lever, a traction rope 6, a hollow nut 13, a cord snap ring 14, an elastic rope 15, a middle shaft lever inner lever 7-2 and a ferrule (plate) 8-1, wherein the outer circumference measuring lever is formed by uniformly distributing a plurality of groups (2-8 groups and 4 groups are optimal in common) of connecting rod type measuring levers with the same size on the circumference side of the middle shaft lever, each connecting rod type measuring lever comprises an upper measuring lever and a lower measuring lever which are connected by a loose joint 5, the upper end of the upper measuring lever of the connecting rod type measuring lever is fixed on a shaft seat on which a pin shaft is arranged on the middle shaft lever and is movably fixed on the shaft seat of the pin shaft, the lower end of the lower measuring lever of the connecting rod type measuring lever is movably fixed on the lower end of the middle shaft lever 7-2 by a second pin shaft and is connected on the ferrule (plate), the, when the traction rope pulls the middle shaft inner rod 7-2 to slide in the middle shaft rod 7-1, each group of two measuring rods of the connecting rod type measuring rods on the ferrule (plate) are driven to open or close; one end of the traction rope is fixed to the upper end of the middle shaft inner rod 7-2 or is directly connected with the ferrule (plate), and the other end is a free end. The hollow rod 7 is actually an upward extending rod of the middle shaft inner rod, or the hollow rod 7 is connected and fixed with the middle shaft inner rod (the inner hole of the rod is also communicated).
The other scheme of the invention is as follows: a deep hole aperture detection device comprises a middle shaft lever 7-1, an outer periphery measuring lever, wherein the outer periphery measuring lever is 2-8 groups (4 is the best) of connecting rod type measuring levers with the same size and evenly distributed on the circumferential side of the middle shaft lever, the middle shaft lever is of a sleeve pipe structure, two upper measuring levers and two lower measuring levers which are connected through a loose joint 5 form each connecting rod type measuring lever, the upper ends of the upper measuring levers of the connecting rod type measuring levers are fixed on a shaft seat on which a pin shaft is arranged on the middle shaft lever and are movably fixed on the pin shaft, the lower ends of the lower measuring levers of the connecting rod type measuring levers are movably fixed on a ferrule of the middle shaft lever through second pin shafts, the ferrule is provided with a shaft seat of the second pin shaft, and the ferrule and each two measuring levers of the connecting rod type measuring levers are driven to open or close when; one end of an inner rod of the middle shaft rod is fixed to the ferrule, and the other end of the inner rod is a free end hollow rod 7 extending out of the working surface. The difference with the scheme is that the inner rod of the long middle shaft rod plays a role of a traction rope. A pull cord may not be used.
The working face is received through a pole to the upper end of well axostylus axostyle, and the haulage rope connects the working face through this pole, and the interior pole of well axostylus axostyle directly reaches the working face, is equipped with the support on 0 working plane, is equipped with the dipperstick on the support, and 0 position of dipperstick is set for the working face horizontal line and is 0 working plane promptly, and the pole is detected tensile length in the dipperstick surface in haulage rope 6 or well axostylus. The pull cord 6 may be a semi-rigid material and the hollow rod 7 may be a semi-flexible material.
Furthermore, the outer side of the adjustable joint is wrapped by a shell with a part of convex arc.
Furthermore, the connecting rod type measuring rods are uniformly distributed on the circumferential side surface of the middle shaft rod, and 4 measuring rods are distributed in total. The upper measuring rod is of an umbrella rib structure, the lower measuring rod and the adjustable joint of the umbrella rib are arranged in the middle of the umbrella rib, and the lower measuring rod is of a rib supporting structure serving as the umbrella rib.
The lower end of the upper measuring rod umbrella rib is provided with a shell with a part of convex arc, and the lower end of the middle shaft rod is a round head or a conical head 8; the middle shaft rod is of a telescopic sleeve structure, the ferrule is fixed at the tail end of the inner rod, and the lower end of the lower measuring rod is movably fixed on the ferrule at the lower end of the inner rod of the middle shaft rod by a second pin shaft. And a pressure sensor is arranged on the shell of the partial convex arc.
An elastic rope is connected between the position between the shaft seat of the middle shaft lever and the ferrule and the movable joint.
The device is provided with a hauling rope 6, and the other end of the hauling rope 6 is led out upwards from the middle shaft lever and the hollow part of the lever with the upper end connected to the operation surface.
The working process of the invention is as follows: two measurement modes for the diameter of the hole (the invention is a measurement for measuring the diameter of the lower end of the pile hole with an enlarged hole diameter) are as follows: one end of a traction rope is fixed to a ferrule at the lower end of the part of the loose joint, and the other end is a free end which is pulled in the hand of a measurer; when the traction rope 6 is pulled upwards, the upper measuring rod and the lower measuring rod which are arranged on the loose joints are opened, and when the loose joints touch the hole wall, the detected stretching length of the traction rope 6 on the surface of the measuring scale can calculate the spanning distance of the two loose joints through a trigonometric function, namely the diameter of the enlarged hole at the lower end of the measuring pile hole. If the pressure sensor arranged on the shell of the convex arc of the loose joint contacts the hole wall, a signal is generated.
The other measuring mode is that the middle shaft rod is of a telescopic sleeve structure, the ferrule is fixed at the tail end of a lower pipe (an inner rod or an outer pipe, and the lower rod is generally an inner rod) of the telescopic sleeve, and the lower end of the lower measuring rod is movably fixed at the lower end of the middle shaft rod and sleeved on the ferrule of the middle shaft rod by a second pin shaft. When the lower measuring rod is lifted upwards and the loose joint touches the hole wall, the lifting distance of the lower measuring rod corresponds to the lifting distance of the loose joint.
Has the advantages that: the diameter of the pile foundation hole or anchor rod hole of varying diameter must be carefully measured to ensure that the length of casing that can be opened is made according to the depth of penetration probe. The method has the advantages of ensuring high construction efficiency, low cost and good pile hole quality, and enhancing the function of the rotary digging drilling machine in the field of pile foundations.
Drawings
FIG. 1 is a schematic view of the peripheral measuring rod expansion structure of the present invention.
FIG. 2 is a schematic view of the contraction structure of the peripheral measuring rod of the present invention.
Fig. 3 is a schematic view of the expansion structure of the peripheral measuring rod during measurement according to the present invention.
Fig. 4 is a schematic diagram of the contraction structure of the peripheral measuring rod during measurement according to the invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, both structures are mechanical structures: deep hole aperture detection device, the attached description: comprises a middle shaft lever 7-1, an outer circumference measuring rod, a traction rope 6, a hollow nut 13, a thread rope snap ring 14, an elastic rope 15, a hollow rod 7 and a middle shaft lever inner rod 7-2 (or adopts a structure of a middle shaft lever sleeve inner rod), wherein the outer circumference measuring rod is formed by 2-6 connecting rod type measuring rods with the same size which are uniformly distributed on the circumference side of the middle shaft lever, each connecting rod type measuring rod comprises an upper measuring rod and a lower measuring rod which are connected by a loose joint 5, the upper end of an upper measuring rod 4 of each connecting rod type measuring rod is fixed on a shaft seat 2 of the middle shaft lever on which a pin shaft is arranged, the lower end of a lower measuring rod 3 of the connecting rod type measuring rod is movably fixed on a pin shaft by a second pin shaft, the lower end of a middle shaft rod is sleeved on a ferrule coaxial with the middle shaft rod, a shaft seat of the second pin shaft is arranged on the ferrule (the round head or the upper part of a conical head 8 at the lower end of the middle shaft rod of the ferrule), and the ferrule drives each two measuring rods of the connecting rod type measuring rod to open or close when sliding on the middle shaft rod; one end of the traction rope is fixed to the ferrule, and the other end of the traction rope is a free end. Reference numeral 10 denotes a support, and a scale is placed on the support.
The hollow nut 13 can be arranged on the hollow nut on the inner core shaft seat 2 and the shaft seat 2; the rope snap ring 14 is convenient for the traction rope to slide on the ring, the elastic rope 15, the hollow rod 7 and the lower end of the inner rod 7-2 in the middle shaft rod are directly connected with the ferrule.
The peripheral measuring rod and the joint can also extend and have a variable structure, and the lower end of the measuring rod close to the middle shaft rod in the horizontal direction can be extended to be a round head or a conical head 8. Other parts of the invention: the hollow nut 13, the cord snap ring 14, the elastic cord 15, the hollow rod 7, the middle shaft rod inner rod 7-2 and the ferrule (plate) 8-1.
The outer side of the joint is wrapped with a shell with a part of convex arc. The lower end of the middle shaft rod is a round head or a conical head; the middle shaft rod is of a telescopic sleeve structure, the tail end of the lower pipe fixes the ferrule, and the lower end of the lower measuring rod is movably fixed at the lower end of the middle shaft rod and sleeved on the ferrule of the middle shaft rod through a second pin shaft. And a pressure sensor is arranged on the shell of the partial convex arc.
An elastic rope is connected between the position between the shaft seat of the middle shaft rod and the ferrule and the movable joint, the measuring rod is opened during measurement, the movable joint is also opened, the elastic rope is extended, when the measurement is completed, the traction rope (the inner rod 7-2 in the middle shaft rod) is lowered, and the elastic rope drives the movable joint to contract, so that the device is favorably lifted out of a drill hole.
Furthermore, the connecting rod type measuring rods are uniformly distributed on the side surface of the middle shaft rod, and 4 measuring rods are distributed in total. Go up the measuring stick and be the structure of rib, lower measuring stick with the loose joint of rib sets up at the intermediate position of rib, the lower extreme of going up the measuring stick rib is equipped with the shell of part convex arc, and lower measuring stick is as the rib prop the bone structure.
Fig. 3 and 4 are schematic diagrams of the invention during measurement. The diameter of the drill hole 12 is larger than the diameter of the drill hole 11 of the upper common pile rod, 11 is the aperture of the common drill hole section, and the steel reinforcement cage with the variable diameter at the large-diameter head at the lower end is released to form a steel reinforcement framework of a pile foundation. The drilling hole with the large diameter formed at the lower end after drilling is preferably measured, the diameter-variable steel reinforcement cage can be enlarged, a sufficient hole expanding space is obtained at the position of a lower hole where the diameter-variable steel reinforcement cage is located, and if the hole expanding space at the lower part is insufficient, the quality of the pile or anchor rod cast by the diameter-variable steel reinforcement cage cannot be guaranteed.
Claims (8)
1. A deep hole aperture detection device is characterized by comprising a middle shaft rod, an outer circumference measuring rod, a traction rope, a hollow nut, a rope snap ring, an elastic rope, an inner rod of the middle shaft rod and a ferrule, wherein the outer circumference measuring rod is formed by 2-8 groups of connecting rod type measuring rods with the same size which are uniformly distributed on the circumference side of the middle shaft rod, each connecting rod type measuring rod is formed by an upper measuring rod and a lower measuring rod which are connected by a loose joint, the upper end of the upper measuring rod of each connecting rod type measuring rod is fixed on a shaft seat on which a pin shaft is arranged on the middle shaft rod, the lower end of a lower measuring rod of the connecting rod type measuring rod is movably fixed on a shaft seat of a pin shaft by a second pin shaft, the lower end of an inner rod of the middle shaft is connected to a ferrule, the shaft seat of the second pin shaft is arranged on the ferrule, and a traction rope drives each group of two measuring rods of the connecting rod type measuring rod on the ferrule to open or close when the inner rod of the middle shaft is pulled to slide in the middle shaft; one end of the traction rope is fixed to the upper end of the middle shaft inner rod or is directly connected with the ferrule, and the other end of the traction rope is a free end.
2. A deep hole aperture detection device is characterized by comprising a middle shaft rod, outer periphery measuring rods and outer periphery measuring rods, wherein 2-8 groups of connecting rod type measuring rods with the same size are uniformly distributed on the circumferential side of the middle shaft rod, the middle shaft rod is of a sleeve structure, two of each group of connecting rod type measuring rods are composed of an upper measuring rod and a lower measuring rod which are movably connected through joints, the upper end of the upper measuring rod of each connecting rod type measuring rod is fixed on a shaft seat on which a pin shaft is arranged on the middle shaft rod and movably fixed on the pin shaft, the lower end of the lower measuring rod of each connecting rod type measuring rod is movably fixed on a sleeve ring of the inner rod of the middle shaft rod through a second pin shaft, the sleeve ring is provided with a shaft seat of the second pin shaft, and the sleeve ring and each two measuring rods driving the connecting; one end of the inner rod of the middle shaft rod is fixed to the ferrule, and the other end of the inner rod of the middle shaft rod is a free end which extends out of the working surface upwards.
3. The deep hole diameter detecting device according to claim 1 or 2, wherein the upper end of the middle shaft lever is connected to the working surface through a lever, a support is provided on the working surface, a measuring scale is provided on the support, a 0 position of the measuring scale is set to be a working surface horizontal line, i.e., 0 working surface, and a tensile length of the inner lever of the traction rope or the middle shaft lever is detected on the surface of the measuring scale.
4. The deep hole aperture detection device of claim 1 or 2, wherein the loose joint is externally wrapped with a shell with a part of convex arc.
5. The deep hole aperture detection device according to claim 1 or 2, characterized in that the upper measuring rod is an umbrella rib structure, the lower measuring rod and the adjustable joint of the umbrella rib are arranged at the middle position of the umbrella rib, the lower end of the umbrella rib of the upper measuring rod is provided with a shell with a part of convex arc, and the lower measuring rod is a rib supporting structure as the umbrella rib.
6. The deep hole aperture detection device of claim 1 or 2, wherein the link-type measuring rods are uniformly distributed on the side surface of the middle shaft rod, and are distributed in 4 groups.
7. The deep hole aperture detecting device according to claim 1 or 2, wherein a pressure sensor is provided on a housing of the partial convex arc.
8. The deep hole aperture detecting device of claim 1 or 2, wherein an elastic rope or spring is connected between the position between the shaft seat of the middle shaft lever and the ferrule and the movable joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211352.7A CN111287735A (en) | 2020-03-24 | 2020-03-24 | Deep hole aperture detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211352.7A CN111287735A (en) | 2020-03-24 | 2020-03-24 | Deep hole aperture detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111287735A true CN111287735A (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211352.7A Pending CN111287735A (en) | 2020-03-24 | 2020-03-24 | Deep hole aperture detection device |
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| CN (1) | CN111287735A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554871A (en) * | 2020-11-26 | 2021-03-26 | 中国科学院武汉岩土力学研究所 | Drilling hole diameter measuring device and measuring method thereof |
| CN115628046A (en) * | 2022-10-31 | 2023-01-20 | 广东省源天工程有限公司 | Aperture measuring device and aperture measuring method |
-
2020
- 2020-03-24 CN CN202010211352.7A patent/CN111287735A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554871A (en) * | 2020-11-26 | 2021-03-26 | 中国科学院武汉岩土力学研究所 | Drilling hole diameter measuring device and measuring method thereof |
| CN115628046A (en) * | 2022-10-31 | 2023-01-20 | 广东省源天工程有限公司 | Aperture measuring device and aperture measuring method |
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