CN113958309B - Bored pile stake hole straightness that hangs down and aperture inspection ware - Google Patents
Bored pile stake hole straightness that hangs down and aperture inspection ware Download PDFInfo
- Publication number
- CN113958309B CN113958309B CN202111218582.7A CN202111218582A CN113958309B CN 113958309 B CN113958309 B CN 113958309B CN 202111218582 A CN202111218582 A CN 202111218582A CN 113958309 B CN113958309 B CN 113958309B
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- rod
- connecting device
- pressing rod
- bored pile
- pile hole
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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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a bored pile hole verticality and aperture checker. The detector comprises a base, a supporting leg, a measuring rod, a spring, a movable rod and a pressing rod, wherein a groove is formed in the base, horizontal scale marks are formed on the side of the groove, and the pressing rod penetrates through the groove; the bottom of the pressing rod is provided with a first connecting device, the movable rod is provided with a second connecting device, and the second connecting device is arranged below the first connecting device; a plurality of measuring rods are circumferentially distributed; the top end of the measuring rod is hinged with the first connecting device, the springs are in one-to-one correspondence with the measuring rods, and the springs are connected with the second connecting device and the measuring rods; the pressing rod is provided with vertical scale marks. Compared with the related art, the method does not need redundant steps of taking out the tester and readjusting the tester due to the fact that the attachment is not in place when the verticality is measured; simultaneously, the value of aperture is measured to the horizontal scale mark on the base, and easy operation and reading are convenient.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a bored pile hole perpendicularity and aperture checker, which is suitable for measuring the perpendicularity of a bored pile hole in construction.
Background
And (3) directly forming holes on pile positions by the bored pile, hanging the reinforcement cage framework into the hole, and then pouring concrete into the hole. The construction process is simple, can adapt to the change of stratum, does not need pile extension, can concentrate processing and distribution of reinforcement cage and concrete, can also be processed on site, is convenient to operate, has small noise and vibration during construction, can construct piles with diameters much larger than those of prefabricated piles, can be used on various foundations, does not need large-scale equipment during construction, and is fast in progress, mature in process, safe and reliable. The bored pile has mature construction process, high bearing capacity and wide application range, and is widely applied to structural engineering foundations of roads, railway bridges and the like. The quality of the bored pile is directly related to the quality and safety of the whole structure, if the pile hole is deflected in the construction process of the bored pile, the steel reinforcement cage is not at the bottom, the guide pipe is not at the bottom, and the perpendicularity of the pile hole must meet the design requirement in order to ensure the bearing capacity of the pile foundation.
At present, a reinforcement cage hole detector and an ultrasonic reflection technology are often adopted in the engineering to detect the perpendicularity of a pile hole of a bored pile. The detection method of the reinforcement cage hole detector is original and rough, and the ultrasonic detection method can intuitively reflect the verticality of the drilled hole, but has high equipment cost and is not easy to carry.
Prior art, such as patent publication No.: the simple concrete core hole perpendicularity detector disclosed by CN209840938U needs to measure the aperture firstly during detection, then adjusts the length of the adjusting device according to the aperture, enables the attaching rod to be attached to the hole wall, and then observes data on the measuring device. If the hole diameter is found to be inaccurate to measure or the hole diameter is changed due to the change of the hole height, the attaching rod cannot be attached to the hole wall, the detector is taken out to readjust the length of the adjusting device, the operation steps are complicated, and the measurement error is large.
Another example is a bored pile hole verticality tester disclosed in patent publication number CN212129261U, which adopts a scale to attach to the hole wall to obtain verticality, so that the error of the measurement method is larger.
Disclosure of Invention
The invention aims to provide a bored pile hole verticality and aperture checker which is convenient to measure.
The technical scheme of the invention is as follows: the bored pile hole verticality and aperture checker comprises a base and supporting legs arranged at the bottom of the base, wherein a through groove is formed in the base, horizontal scale marks are arranged beside the groove, the bored pile hole verticality and aperture checker further comprises a measuring rod, a spring, a movable rod and a pressing rod axially displaced relative to the movable rod, and the pressing rod penetrates through the groove; the bottom of the pressing rod is provided with a first connecting device, the movable rod is provided with a second connecting device, and the second connecting device is arranged below the first connecting device; a plurality of measuring rods are circumferentially distributed; the top end of the measuring rod is hinged with the first connecting device, the springs are in one-to-one correspondence with the measuring rods, and the springs are connected with the second connecting device and the measuring rods; the pressing rod is provided with vertical scale marks.
In the scheme, after the checker is arranged above the pile hole, the pressing rod can be moved downwards to realize the opening or closing of the measuring rod, and the checker can be attached to the hole wall when being opened; unnecessary steps such as taking out the tester and readjusting the tester due to the fact that the lamination is not in place when the verticality is measured are not needed; simultaneously, the value of aperture is measured to the horizontal scale mark on the base, and easy operation and reading are convenient.
The application adopts a plurality of measuring rods which are circumferentially arranged and are all attached to the hole wall, so that the perpendicularity of the movable rod and the pressing rod can be well ensured, and the output perpendicularity reading error is small.
Preferably, the movable rod and the pressing rod are magnetically connected. When no external force exists, the two are bonded and can move up and down together; when external force is applied and the measuring rod is required to be opened, the pressing rod overcomes the magnetic force to move along the movable rod, and no additional limiting structure exists, so that the convenience of operation is realized.
For the convenience of reading, bored concrete pile stake hole straightness and aperture inspection ware still include fixing device, fixing device and base sliding connection, just be equipped with the draw-in groove that is used for the joint to press the pole on the fixing device.
Preferably, the first connecting device comprises a first body and mounting plates uniformly distributed along the periphery of the first body, a first through hollow cavity is formed in the first body, the movable rod penetrates through the first hollow cavity, and the pressing rod is fixed with the body; the measuring rod is hinged with the mounting plate.
Preferably, the second connecting device comprises a second body and buckles uniformly distributed along the periphery of the second body, a second hollow cavity is formed in the second body, the movable rod penetrates through the second hollow cavity and is fixed with the second connecting device, and the springs are connected with the buckles.
Preferably, the ring buckle is a rectangular ring or a semicircular ring. The spring connection is facilitated, and the processing is facilitated; saving materials and simultaneously reducing weight.
Preferably, the movable rod is provided with vertical scale marks.
Preferably, the fit clearance between the pressing rod and the groove is 0-1.5 mm.
Preferably, the bottom of the measuring rod is provided with a plane attached to the inner wall of the pile hole. The planar arrangement ensures that the measuring rod can be well attached to the inner wall of the hole, so that the movable rod and the pressing rod are in a vertical state.
Preferably, the support leg comprises a cylinder and a cone arranged at the tail end of the cylinder, and the cylinder is fixedly connected with the base. The cone body can be quickly inserted into the soil around the pile hole to fix the base.
Compared with the related art, the invention has the beneficial effects that:
1. The structure is simple, the cost is low, the carrying is easy, the data reading is not influenced by the use position of the base, the data reading is convenient, the perpendicularity and the aperture of the bored pile hole can be accurately measured, and the quality problem of the pile hole caused by the fact that the perpendicularity and the aperture are not in accordance with the specifications can be avoided;
2. The base structure is fully utilized, and transverse scale marks are arranged on the base structure, so that reading is convenient, and errors in measurement are reduced;
3. The base is placed above the pile hole, all measurement steps can be completed only by moving the graduated scale, the measurement operation is convenient, and the operation steps are simplified.
Drawings
FIG. 1 is a schematic diagram of a bored pile hole verticality and aperture checker provided by the invention;
FIG. 2 is a schematic top view of the base of FIG. 1;
FIG. 3 is a schematic view of the first connecting device of FIG. 1;
FIG. 4 is a schematic top view of FIG. 3;
FIG. 5 is a schematic view of the second connecting device in FIG. 1;
FIG. 6 is a schematic top view of FIG. 5;
Fig. 7 is a schematic structural view of the fixing device in fig. 1.
In the accompanying drawings: 1. a base; 10. a groove; 11. horizontal graduation marks; 2. a support leg; 21. a cylinder; 22. a cone; 3. a movable rod; 4. a first connecting device; 41. a first hollow cavity; 42. a mounting plate; 43. a first body; 5. pressing a pressing rod; 51. vertical scale marks; 6. a measuring rod; 61. a plane; 7. a second connecting device; 71. a second hollow cavity; 72. a ring buckle; 73. a second body; 8. a spring; 9. a fixing device; 91. a clamping plate; 92. a clamping groove.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.
As shown in fig. 1, the tester for verticality and aperture of pile hole of bored pile provided by the present embodiment comprises a base 1, a supporting leg 2, a movable rod 3, a first connecting device 4, a pressing rod 5, a measuring rod 6, a second connecting device 7, a spring 8 and a fixing device 9.
As shown in fig. 2, the base 1 has a rectangular elongated plate-like structure, and is provided with a groove 10 penetrating up and down (in the thickness direction). Horizontal graduation marks 11 are arranged on two sides of the groove 10, and the horizontal graduation marks 11 are positioned on the upper surface of the top of the base 1.
The left and right sides of the bottom of the base 1 are provided with the supporting legs 2, the supporting legs 2 comprise a cylinder 21 and a cone 22, the cylinder 21 is fixed with the base 1 in a welding mode, and the cone 22 is connected to the tail end of the cylinder 21.
The pressing rod 5 is hollow, the movable rod 3 penetrates through the pressing rod 5, and the length of the movable rod 3 is longer than that of the pressing rod 5. The pressing rod 5 can be axially displaced relative to the movable rod 3. The cross sections of the pressing rod 5 and the movable rod 3 are rectangular. The pressing rod 5 is made of a magnetic material, and the movable rod 3 is made of an iron rod, so that the pressing rod 5 and the movable rod 3 move together.
The pressing rod 5 passes through the groove 10, and the fit clearance between the pressing rod and the groove is 0-1.5 mm. The width of the groove 10 matches the width of the pressing bar 5 (the width refers to the direction perpendicular to the base length in fig. 2). The mating fingers are closely sized and the mating gap is small to prevent the press bar 5 from shifting within the recess 10. The bottom of the pressing rod 5 is provided with a first connecting device 4, the movable rod 3 is provided with a second connecting device 7, and the second connecting device is arranged below the first connecting device 4. The measuring bars 6 are circumferentially arranged in plurality (in this embodiment, three). The top end of the measuring rod 6 is hinged with the first connecting device 4, and the bottom end is provided with a plane 61 attached to the inner wall of the pile hole. The springs 8 are in one-to-one correspondence with the measuring rods 6, and the springs 8 are connected with the second connecting device 7 and the measuring rods 6. The pressing rod 5 is provided with a vertical scale mark 51, so that the distance when the pressing rod 5 and the movable rod 3 move together can be read. The movable rod 3 is also provided with scale marks, so that the up-down movement distance of the pressing rod 5 can be read. The scale marks are all arranged above the base 1.
As shown in fig. 3 and 4, the first connecting device 4 includes a first body 43 and mounting plates 42 uniformly distributed along the outer circumference of the first body 43. In this embodiment, the number of mounting plates 42 is three, with an angular spacing of 120 °. The first body 43 is provided with a first hollow cavity 41 therethrough, the movable rod 3 passes through the first hollow cavity 41, and the pressing rod 5 is fixed with the body 43. The measuring bar 6 is hinged with the mounting plate 42 by a screw.
As shown in fig. 5 and 6, the second connecting device 7 includes a second body 73 and buckles 72 uniformly distributed along the outer periphery of the second body 73, and the number and positions of the buckles 72 are in one-to-one correspondence with the springs 8. The ring buckle 72 is a rectangular ring or a semicircular ring. The second body 73 is provided with a second hollow cavity 71 which is penetrated, the movable rod 3 passes through the second hollow cavity 71 and is fixed with the second connecting device 7, and the spring 8 is connected with the ring buckle 72.
In use, if the spring 8 is connected with the second connecting device 7, the direction is kept horizontal, and the direction of the spring 8 is vertical to the movable rod 3.
The original length of the spring 8, the distance between the second connecting device 7 and the first connecting device 4, the length of the measuring rod 6 from the position where the spring 8 is connected to the position of the first connecting device 4 and the length of the measuring rod 6 are designed.
As shown in fig. 2 and 7, the fixing device 9 is fixed on the base 1, specifically, two sides included in the fixing device 9 are provided with clamping plates 91, and the clamping plates 91 are clamped on the outer side wall of the width of the base 1, so that the fixing device 9 can slide along the length of the base 1. One side of the clamping plate 91 is provided with a clamping groove 92 for clamping the pressing rod 5. The clamping groove 92 faces the pressing rod 5 when the fixing device 9 is installed.
When the checking structure is used, after the pressing rod 5 is in place, the fixing device 9 fixes the pressing rod 5 through the clamping groove 92, reading is convenient, and meanwhile, the measuring rod 6 is kept in an outwards-opened state without being influenced by the tension of the spring 8.
The bored pile hole straightness that hangs down and aperture inspection ware's theory of operation do: placing the checker above the pile hole, enabling the pressing rod 5 to move downwards, enabling the measuring rod 6 to abut against the hole wall, reading the reading x 1 of the horizontal scale mark 11 on the base 1, and reading the reading y 1 of the vertical scale mark 51 on the pressing rod 5; the pressing rod 5 and the movable rod 3 are moved upwards or downwards together, the measuring rod 6 is abutted against the hole wall, the reading of the horizontal graduation mark 11 on the base 1 is x 2, the reading on the pressing rod 5 is y 2, and thenWhere i is perpendicularity. It is also possible to measure a plurality of y and x values so that the measured perpendicularity is more accurate.
When the measuring rod 6 is abutted against the hole wall for the first time, the distance b of the downward movement of the pressing rod 5 can be read from the scale mark on the movable rod 3, and at the moment, the measuring rod 6, the spring 8 and the movable rod 3 still form a right triangle, and the size of the hole diameter can be obtained by utilizing the Pythagorean theorem and the similar triangle principle.
The bored pile hole verticality and aperture tester can conveniently measure the verticality and aperture of the bored pile, and has the advantages of simple structure, low cost, light weight, convenient carrying, wide application range and convenient use.
After the tester is arranged above the pile hole, the lamination of the measuring rod and the hole wall is realized by downwards moving the pressing rod, unnecessary steps such as readjustment of the tester when the perpendicularity is measured due to the fact that lamination is not in place are not needed, and meanwhile, the value of the hole diameter is measured, so that the tester is easier to operate and convenient to read.
A plurality of points can be measured by moving the movable rod and the pressing rod up and down left and right, and more accurate verticality and aperture can be obtained according to the measurement data of the plurality of points.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. The bored pile hole verticality and aperture checker comprises a base (1) and a supporting leg (2) arranged at the bottom of the base (1), wherein a through groove (10) is formed in the base (1), and horizontal scale marks (11) are arranged beside the groove (10), and the checker is characterized by further comprising a measuring rod (6), a spring (8), a movable rod (3) and a pressing rod (5), wherein the pressing rod (5) is hollow, the movable rod (3) penetrates through the pressing rod (5), and the pressing rod (5) can axially displace relative to the movable rod (3); the pressing rod (5) passes through the groove (10); the bottom of the pressing rod (5) is provided with a first connecting device (4), the movable rod (3) is provided with a second connecting device (7), and the second connecting device is arranged below the first connecting device (4); a plurality of measuring rods (6) are circumferentially distributed; the top end of the measuring rod (6) is hinged with the first connecting device (4), the springs (8) are in one-to-one correspondence with the measuring rods (6), and the springs (8) are connected with the second connecting device (7) and the measuring rods (6); a vertical scale mark (51) is arranged on the pressing rod (5); the first connecting device (4) comprises a first body (43) and mounting plates (42) uniformly distributed along the periphery of the first body (43), a first through hollow cavity (41) is formed in the first body (43), the movable rod (3) penetrates through the first hollow cavity (41), and the pressing rod (5) is fixed with the first body (43); the measuring rod (6) is hinged with the mounting plate (42); the second connecting device (7) comprises a second body (73) and buckles (72) uniformly distributed along the periphery of the second body (73), a through second hollow cavity (71) is formed in the second body (73), the movable rod (3) penetrates through the second hollow cavity (71) and is fixed with the second connecting device (7), and the spring (8) is connected with the buckles (72).
2. Bored pile hole verticality and aperture checker according to claim 1, characterized in that the movable rod (3) and the pressing rod (5) are magnetically connected.
3. Bored pile hole verticality and aperture checker according to claim 1, further comprising a fixing device (9), wherein the fixing device (9) is slidably connected with the base (1), and a clamping groove (92) for clamping the pressing rod (5) is provided on the fixing device (9).
4. Bored pile hole perpendicularity and aperture checker according to claim 1, characterized in that the ring buckle (72) is a rectangular or semi-circular ring.
5. Bored pile hole perpendicularity and aperture checker according to claim 1, characterized in that vertical graduation lines are provided on the movable rod (3).
6. Bored pile hole verticality and aperture checker according to claim 1, characterized in that the fit clearance between the pressing rod (5) and the groove (10) is 0-1.5 mm.
7. Bored pile hole perpendicularity and aperture checker according to claim 1, characterized in that the bottom end of the measuring rod (6) is provided with a plane (61) which is attached to the inner wall of the pile hole.
8. Bored pile hole verticality and aperture checker according to claim 1, characterized in that the supporting leg (2) comprises a cylinder (21) and a cone (22) arranged at the tail end of the cylinder (21), and the cylinder (21) is fixedly connected with the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218582.7A CN113958309B (en) | 2021-10-20 | 2021-10-20 | Bored pile stake hole straightness that hangs down and aperture inspection ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218582.7A CN113958309B (en) | 2021-10-20 | 2021-10-20 | Bored pile stake hole straightness that hangs down and aperture inspection ware |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113958309A CN113958309A (en) | 2022-01-21 |
| CN113958309B true CN113958309B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111218582.7A Active CN113958309B (en) | 2021-10-20 | 2021-10-20 | Bored pile stake hole straightness that hangs down and aperture inspection ware |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009002809A (en) * | 2007-06-21 | 2009-01-08 | System Keisoku Kk | Hole wall measuring device |
| CN203795484U (en) * | 2014-03-21 | 2014-08-27 | 浙江嘉兴福达建设股份有限公司 | Pile hole detecting device |
| CN206888038U (en) * | 2017-06-26 | 2018-01-16 | 江苏鸿成工程项目管理有限公司 | A kind of stake holes hole diameter detection apparatus |
| CN109357592A (en) * | 2018-11-28 | 2019-02-19 | 中冶建工集团有限公司 | Artificial digging pile stake diameter and testing apparatus for verticality |
| CN210002455U (en) * | 2019-03-01 | 2020-01-31 | 广西壮族自治区地质环境监测总站 | major diameter bored concrete pile straightness and aperture detection device that hangs down |
| CN113090250A (en) * | 2021-04-13 | 2021-07-09 | 中国十七冶集团有限公司 | Hole detector for cast-in-situ bored pile |
-
2021
- 2021-10-20 CN CN202111218582.7A patent/CN113958309B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009002809A (en) * | 2007-06-21 | 2009-01-08 | System Keisoku Kk | Hole wall measuring device |
| CN203795484U (en) * | 2014-03-21 | 2014-08-27 | 浙江嘉兴福达建设股份有限公司 | Pile hole detecting device |
| CN206888038U (en) * | 2017-06-26 | 2018-01-16 | 江苏鸿成工程项目管理有限公司 | A kind of stake holes hole diameter detection apparatus |
| CN109357592A (en) * | 2018-11-28 | 2019-02-19 | 中冶建工集团有限公司 | Artificial digging pile stake diameter and testing apparatus for verticality |
| CN210002455U (en) * | 2019-03-01 | 2020-01-31 | 广西壮族自治区地质环境监测总站 | major diameter bored concrete pile straightness and aperture detection device that hangs down |
| CN113090250A (en) * | 2021-04-13 | 2021-07-09 | 中国十七冶集团有限公司 | Hole detector for cast-in-situ bored pile |
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| CN113958309A (en) | 2022-01-21 |
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