CN113482536A - Hole expanding device for intelligently detecting hole diameter of anchor cable hole expanding section - Google Patents
Hole expanding device for intelligently detecting hole diameter of anchor cable hole expanding section Download PDFInfo
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- CN113482536A CN113482536A CN202110887426.3A CN202110887426A CN113482536A CN 113482536 A CN113482536 A CN 113482536A CN 202110887426 A CN202110887426 A CN 202110887426A CN 113482536 A CN113482536 A CN 113482536A
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- 238000009434 installation Methods 0.000 claims abstract description 57
- 239000000523 sample Substances 0.000 claims abstract description 57
- 238000001125 extrusion Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 4
- 238000005070 sampling Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
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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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Structural Engineering (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to the technical field of foundation and foundation engineering, and discloses a hole-expanding device for intelligently detecting the hole diameter of an anchor cable hole-expanding section, which comprises a hole-expanding drill bit unit and a drill rod unit connected with the upper end of the hole-expanding drill bit unit, wherein an ultrasonic probe is fixedly arranged in an installation cavity formed in a probe installation column block, when the hole-expanding drill bit unit arranged at the lower end of the drill rod unit carries out hole-expanding operation, the ultrasonic probe is fixed on a drill bit reset installation column piece and drills at a constant speed from a hole-expanding starting point, a host controls the ultrasonic probe to transmit ultrasonic waves according to a set time interval and synchronously starts timing, the host starts a high-speed high-precision signal collector to collect ultrasonic signals according to a set sampling delay and a set sampling rate, the ultrasonic waves generate total reflection from the hole wall, the reflected waves are received by a receiving transducer, the arrival time of the reflected waves is the propagation time of the ultrasonic waves in the hole, and the distance between the ultrasonic transducer and the hole wall is calculated by the propagation time, thereby calculating the aperture value of the section.
Description
Technical Field
The invention relates to the technical field of foundation and foundation engineering, in particular to a hole expanding device for intelligently detecting the hole diameter of an anchor cable hole expanding section.
Background
The anchor rod (cable) with the enlarged head has higher bearing capacity, smaller deformation and high reliability, and has greater advantages compared with the traditional anchor rod (cable), so the anchor rod (cable) with the enlarged head is widely applied to foundation pit support. The idea of the expanded head anchor rod (cable) technology is from an expanded head pile, firstly, a common drill rod is used for drilling, after the designed depth is reached, the end part of the drill rod is changed into a hole expanding drill bit, and a hole expanding blade is gradually expanded under the action of pressure to form hole expansion.
The construction of mechanical reaming and expanding anchor rods (cables) often solves the problem that the diameter and the length of a reaming section are difficult to detect, and the reaming quality is not easy to ensure so as to influence the anchoring force. The diameter and length of the expanded hole section are usually measured directly only by excavation after the completion of the bolt (cable) test, but this method cannot be applied to the detection of the expanded hole section in the anchoring work because it would be necessary to destroy the bolt (cable). Therefore, in the actual anchoring engineering, the expansion effect can only be roughly estimated according to construction parameters such as grouting amount and the like and relevant experience, and the accuracy is poor.
Aiming at the problems, the invention provides a hole expanding device for intelligently detecting the hole diameter of an anchor cable hole expanding section.
Disclosure of Invention
The invention aims to provide a hole expanding device for intelligently detecting the hole diameter of an anchor cable hole expanding section, which comprises a hole expanding drill bit unit and a drill rod unit connected to the upper end of the hole expanding drill bit unit, wherein an ultrasonic probe is fixedly installed inside a drill bit resetting installation column, and the hole diameter of the anchor cable hole expanding section is detected through the ultrasonic probe, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the hole expanding device comprises a hole expanding drill bit unit and a drill rod unit connected to the upper end of the hole expanding drill bit unit, wherein the hole expanding drill bit unit is provided with a drill rod connecting seat block fixedly connected to the lower end of the drill rod unit, a drill bit resetting installation column piece fixedly welded to the lower end of the drill rod connecting seat block, hole expanding connecting rod assemblies arranged on two sides of the drill rod connecting seat block, a drill bit block is fixedly arranged at the lower end of the drill bit resetting installation column piece, and an ultrasonic probe is fixedly arranged inside the drill bit resetting installation column piece;
the drill rod unit is provided with a tubular drill rod of which the lower end is fixedly connected to the drill rod connecting seat block and a movable positioning support fixedly installed on the inner wall of the tubular drill rod, a cable is arranged in the tubular drill rod, one end of the cable is electrically connected with the ultrasonic probe, the other end of the cable is electrically connected with the measuring and reading equipment through a wire sliding ring type rotary joint, and the cable is fixed in the tubular drill rod through the movable positioning support.
Further, the reaming connecting rod assembly comprises a connecting shaft block fixedly welded on the side face of the drill rod connecting seat block and a reaming connecting rod A with one end movably connected to the connecting shaft block in a shaft coupling mode, the other end of the reaming connecting rod A is movably connected to a reaming connecting rod B in a shaft coupling mode, and tooth blocks are fixedly arranged on the side faces of the reaming connecting rod A and the reaming connecting rod B.
Further, the drill bit resetting installation column piece comprises a positioning column rod fixedly welded at the lower end of the drill rod connecting seat block and a reset spring A fixedly welded at one end of the positioning column rod, a telescopic sleeve is sleeved on the positioning column rod, the other end of the reset spring A is fixedly welded in the telescopic sleeve, a probe is fixedly welded at the lower end of the telescopic sleeve to install the column block, and one end of the reaming connecting rod B is connected to the side face of the probe installation column block in a shaft mode.
Furthermore, an installation cavity is formed in the upper end of the probe installation column block, a side opening is formed in the lower end of the probe installation column block, and the side opening is communicated with the installation cavity.
Furthermore, the ultrasonic probe is fixedly installed in an installation cavity formed in the probe installation column block, and the lower end of the ultrasonic probe extends into the lower end of the installation cavity.
Furthermore, movable locating support includes fixed bolster end and the spring compression support end of being connected with the fixed bolster end, and fixed bolster end and spring compression support end are all fixed mounting at the inner wall of tubulose drilling rod.
Further, the fixed support end comprises an arc-shaped positioning block and a support leg fixedly welded on the side face of the arc-shaped positioning block, a support piece A is fixedly welded at the other end of the support leg, and the support piece A is fixedly welded on the inner wall of the tubular drill rod.
Further, the spring compression support end comprises an arc extrusion piece and a reset spring B fixedly welded on the side face of the arc extrusion piece, the other end of the reset spring B is fixedly welded with the support piece B, and the support piece B is fixedly welded on the inner wall of the tubular drill rod.
Furthermore, the included angle between the support leg and the reset spring B is 120 degrees, the inserting holes are formed in the two ends of the arc-shaped positioning block, the inserting columns are formed in the two ends of the arc-shaped extrusion piece, the inserting columns are movably inserted in the inserting holes to be positioned and connected with the arc-shaped positioning block and the arc-shaped extrusion piece, and cables are fixedly clamped between the arc-shaped positioning block and the arc-shaped extrusion piece.
Furthermore, the wire slip ring type rotary joint comprises a connecting plate sheet, a rotor end and a stator end which are respectively arranged at the two ends of the connecting plate sheet, a rotor shaft is movably arranged at the rotor end, one end of a cable is electrically connected to the connecting wire of the rotor shaft, and the connecting wire at the stator end is electrically connected with the measuring and reading equipment.
The invention provides a hole-enlarging device for intelligently detecting the hole diameter of an anchor cable hole-enlarging section, which is characterized in that an installation cavity is arranged in the upper end of a probe installation column block, an ultrasonic probe is fixedly arranged in the installation cavity arranged on the probe installation column block, the lower end of the ultrasonic probe extends into the lower end of the installation cavity, the lower end of the probe installation column block is provided with a side port, and the side port is communicated with the installation cavity, so that the ultrasonic probe can better perform ultrasonic ranging through the side port, when a hole-enlarging drill bit unit arranged at the lower end of a drill rod unit performs hole-enlarging operation, the ultrasonic probe is fixed on a drill bit resetting installation column, drilling is performed at constant speed from a hole-enlarging starting point, a host controls the ultrasonic probe to emit ultrasonic waves according to a set time interval and synchronously starts timing, and the host starts a high-speed signal collector to collect ultrasonic signals according to a set sampling delay and sampling rate, the ultrasonic wave generates total reflection from the hole wall, the reflected wave is received by the receiving transducer, the arrival time of the reflected wave is the propagation time of the ultrasonic wave in the hole, and the distance between the ultrasonic transducer and the hole wall is calculated through the propagation time, so that the aperture value of the section is calculated.
Drawings
Fig. 1 is a schematic view of the overall structure of a hole enlarging device for intelligently detecting the hole diameter of an anchor cable hole enlarging section according to the present invention;
fig. 2 is a schematic structural diagram of a reaming bit unit of the reaming device for intelligently detecting the bore diameter of the anchor cable hole reaming section;
FIG. 3 is a schematic structural view of a reaming connecting rod assembly and a drill bit resetting mounting post of the reaming device for intelligently detecting the bore diameter of the reaming section of the anchor cable hole;
FIG. 4 is a schematic structural view of a probe mounting block of the hole enlarging device for intelligently detecting the hole diameter of the hole enlarging section of the anchor cable hole;
FIG. 5 is a schematic structural view of a drill rod unit of the hole enlarging device for intelligently detecting the hole diameter of the hole enlarging section of the anchor cable hole;
FIG. 6 is a schematic structural view of a movable positioning bracket of the hole enlarging device for intelligently detecting the hole diameter of the hole enlarging section of the anchor cable hole;
FIG. 7 is a top view of the movable positioning bracket of the hole enlarging device for intelligently detecting the hole diameter of the hole enlarging section of the anchor cable hole;
fig. 8 is a schematic view of a lead slip ring type rotary joint structure of the hole enlarging device for intelligently detecting the hole diameter of the anchor cable hole enlarging section according to the present invention;
fig. 9 is a schematic view of the hole enlarging device for intelligently detecting the hole diameter of the hole enlarging section of the anchor cable hole.
In the figure: 1. a reaming bit unit; 11. the drill rod is connected with the seat block; 12. a reaming connecting rod assembly; 121. connecting the shaft block; 122. a hole expanding connecting rod A; 123. a reaming connecting rod B; 124. a tooth block; 13. the drill bit resets and installs the column; 131. positioning the post rod; 132. a return spring A; 133. a telescopic sleeve; 134. mounting a column block on the probe; 1341. installing a cavity; 1342. a side port; 14. a drill bit block; 15. an ultrasonic probe; 2. a drill rod unit; 21. a tubular drill rod; 22. a movable positioning bracket; 221. fixing the bracket end; 2211. an arc-shaped positioning block; 201. inserting holes; 2212. a support leg; 2213. a support piece A; 222. a spring compressing the bracket end; 2221. an arc-shaped extrusion sheet; 202. inserting the column; 2222. a return spring B; 2223. a support piece B; 23. a cable; 24. a wire slip ring rotary joint; 241. a connecting plate; 242. a rotor end; 243. a stator terminal; 244. a rotor shaft; 25. and (4) a measuring and reading device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 4, 5 and 9, the hole enlarging device for intelligently detecting the hole diameter of the anchor cable hole expanding section comprises a hole enlarging drill unit 1 and a drill rod unit 2 connected to the upper end of the hole enlarging drill unit 1, wherein the hole enlarging drill unit 1 is provided with a drill rod connecting seat block 11 fixedly connected to the lower end of the drill rod unit 2, a drill bit resetting installation column 13 fixedly welded to the lower end of the drill rod connecting seat block 11, and hole enlarging connecting rod assemblies 12 installed on two sides of the drill rod connecting seat block 11, a drill bit block 14 is fixedly installed at the lower end of the drill bit resetting installation column 13, and an ultrasonic probe 15 is fixedly installed inside the drill bit resetting installation column 13.
The drill rod unit 2 is provided with a tubular drill rod 21 with the lower end fixedly connected to the drill rod connection seat block 11 and a movable positioning bracket 22 fixedly installed on the inner wall of the tubular drill rod 21, a cable 23 is arranged in the tubular drill rod 21, one end of the cable 23 is electrically connected with the ultrasonic probe 15, the other end of the cable 23 is electrically connected with a measurement and reading device 25 through a lead slip ring type rotary joint 24, and the cable 23 is fixed in the tubular drill rod 21 through the movable positioning bracket 22.
Referring to fig. 3, the reaming connection rod assembly 12 includes a connection shaft block 121 fixedly welded to the side of the drill rod connection seat block 11, and a reaming connection rod a122 with one end movably coupled to the connection shaft block 121, and a reaming connection rod B123 movably coupled to the other end of the reaming connection rod a122, and a tooth block 124 fixedly disposed on the side of the reaming connection rod a122 and the reaming connection rod B123, and a telescopic sleeve 133 is sleeved on the positioning column rod 131, one end of a return spring a132 is fixedly welded to the positioning column rod 131, and the other end is fixedly welded in the telescopic sleeve 133, and one end of the reaming connection rod B123 movably coupled to the reaming connection rod a122 is coupled to the side of the probe mounting column block 134, and one end of the reaming connection rod a122 is coupled to the connection shaft block 121 welded to the side of the drill rod connection seat block 11, so that an included angle 133 between the reaming connection rod a122 and the reaming connection rod B123 can be changed, and when the telescopic sleeve moves up and down on the positioning column rod 131, the included angle between reaming connecting rod A122 and reaming connecting rod B123 becomes big, the interval between the reaming connecting rod assemblies 12 installed at the two sides of the drill pipe connecting seat block 11 becomes small, the reaming aperture becomes small, when the telescopic sleeve 133 moves upwards on the positioning post rod 131, the included angle between the reaming connecting rod A122 and the reaming connecting rod B123 becomes small, the interval between the reaming connecting rod assemblies 12 installed at the two sides of the drill pipe connecting seat block 11 becomes big, the reaming aperture becomes big, and the reaming operation is completed.
Referring to fig. 3 and 4, the drill bit resetting installation column 13 includes a positioning column rod 131 fixedly welded at the lower end of the drill rod connection seat block 11 and a return spring a132 fixedly welded at one end of the positioning column rod 131, an expansion sleeve 133 is sleeved on the positioning column rod 131, the other end of the return spring a132 is fixedly welded in the expansion sleeve 133, a probe installation column block 134 is fixedly welded at the lower end of the expansion sleeve 133, one end of a reaming connecting rod B123 is coupled to the side surface of the probe installation column block 134, an installation cavity 1341 is formed inside the upper end of the probe installation column block 134, a side port 1342 is formed at the lower end of the probe installation column block 134, the side port 1342 is communicated with the installation cavity 1341, the ultrasonic probe 15 is fixedly installed in the installation cavity 1341 formed in the probe installation column block 134, and the lower end of the ultrasonic probe 15 extends into the lower end of the installation cavity 1341.
By arranging an installation cavity 1341 in the upper end of the probe installation column block 134, fixedly installing the ultrasonic probe 15 in the installation cavity 1341 arranged in the probe installation column block 134, extending the lower end of the ultrasonic probe 15 into the lower end of the installation cavity 1341, arranging a side port 1342 at the lower end of the probe installation column block 134, communicating the side port 1342 with the installation cavity 1341, enabling the ultrasonic probe 15 to perform ultrasonic ranging better through the side port 1342, when the reaming bit unit 1 arranged at the lower end of the drill rod unit 2 performs reaming operation, fixing the ultrasonic probe 15 on the bit resetting installation column 13, drilling at a constant speed from a reaming starting point, controlling the ultrasonic probe 15 to transmit ultrasonic waves according to a set time interval and synchronously starting timing, starting a high-speed high-precision signal collector to collect ultrasonic signals according to a set sampling delay and sampling rate, and generating total reflection from the hole wall by the ultrasonic waves, the reflected wave is received by the receiving transducer, the arrival time of the reflected wave is the propagation time of the ultrasonic wave in the hole, and the distance between the ultrasonic transducer and the hole wall is calculated according to the propagation time, so that the aperture value of the section is calculated.
Referring to fig. 6 and 7, the movable positioning bracket 22 includes a fixed bracket end 221 and a spring compression bracket end 222 connected to the fixed bracket end 221, the fixed bracket end 221 and the spring compression bracket end 222 are both fixedly mounted on the inner wall of the tubular drill rod 21, the fixed bracket end 221 includes an arc-shaped positioning block 2211 and a bracket leg 2212 fixedly welded to the side of the arc-shaped positioning block 2211, a bracket sheet a2213 is fixedly welded to the other end of the bracket leg 2212, the bracket sheet a2213 is fixedly welded to the inner wall of the tubular drill rod 21, the spring compression bracket end 222 includes an arc-shaped pressing sheet 2221 and a return spring B2222 fixedly welded to the side of the arc-shaped pressing sheet 2221, a bracket sheet B2223 is fixedly welded to the other end of the return spring B2222, the bracket sheet B2223 is fixedly welded to the inner wall of the tubular drill rod 21, an included angle between the bracket leg 2212 and the return spring 222b 2222 is 120 °, and insertion holes 201 are formed at both ends of the arc-shaped positioning block 2211, the two ends of the arc-shaped pressing piece 2221 are provided with the plugging columns 202, the plugging columns 202 are movably plugged in the plugging holes 201 to position and connect the arc-shaped positioning block 2211 and the arc-shaped pressing piece 2221, and the cable 23 is fixedly clamped between the arc-shaped positioning block 2211 and the arc-shaped pressing piece 2221.
One end of a support leg 2212 is fixedly welded on the arc-shaped positioning block 2211, the other end of the support leg 2212 is fixedly welded on the inner wall of the tubular drill rod 21 through a support sheet A2213, the arc-shaped extrusion sheet 2221 is connected to the inner wall of the tubular drill rod 21 through a return spring B2222, the arc-shaped positioning block 2211 and the arc-shaped extrusion sheet 2221 are movably inserted into the insertion hole 201 through the insertion column 202 for positioning connection, one end of a cable 23 is electrically connected with the ultrasonic probe 15, the other end of the cable is electrically connected with the measurement and reading device 25 through a lead slip ring type rotary joint 24, the cable 23 penetrating through the tubular drill rod 21 is fixedly clamped between the arc-shaped positioning block 2211 and the arc-shaped extrusion sheet 2221 for fixing, and the cable 23 can be effectively prevented from sliding into the tubular drill rod 21.
Referring to fig. 8, the lead slip ring type rotary joint 24 includes a connection plate 241, and a rotor end 242 and a stator end 243 respectively installed at two ends of the connection plate 241, and a rotor shaft 244 is movably installed on the rotor end 242, and one end of the cable 23 is electrically connected to the connection lead of the rotor shaft 244, and the connection lead of the stator end 243 is electrically connected to the reading device 25, and the other end of the cable 23 is electrically connected to the connection lead of the rotor shaft 244 of the lead slip ring type rotary joint 24, and the connection lead of the stator end 243 is electrically connected to the reading device 25, so that the cable 23 is not knotted by following rotation when the ultrasonic probe 15 rotates with the advance of the reamer head unit 1.
The working principle is as follows: the ultrasonic probe 15 is fixed on the drill bit reset mounting column member 13, drilling is carried out at a constant speed from a reaming starting point, the host controls the ultrasonic probe 15 to emit ultrasonic waves according to a set time interval and synchronously starts timing, the host starts a high-speed high-precision signal collector to collect ultrasonic signals according to a set sampling delay and a set sampling rate, the ultrasonic waves generate total reflection from a hole wall, reflected waves are received by a receiving transducer, the arrival time of the reflected waves is the propagation time of the ultrasonic waves in the hole, the distance between the ultrasonic transducer and the hole wall is calculated according to the propagation time, and therefore the aperture value of the section is calculated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The reaming device in intellectual detection system anchor rope hole reaming section aperture includes reamer bit unit (1) and connects drilling rod unit (2) in reamer bit unit (1) upper end, its characterized in that: the reaming drill bit unit (1) is provided with a drill rod connecting seat block (11) fixedly connected to the lower end of the drill rod unit (2), a drill bit resetting installation column piece (13) fixedly welded to the lower end of the drill rod connecting seat block (11), and reaming connecting rod component pieces (12) installed on two sides of the drill rod connecting seat block (11), wherein a drill bit block (14) is fixedly installed at the lower end of the drill bit resetting installation column piece (13), and an ultrasonic probe (15) is fixedly installed inside the drill bit resetting installation column piece (13);
the drill rod unit (2) is provided with a tubular drill rod (21) with the lower end fixedly connected to the drill rod connecting seat block (11) and a movable positioning support (22) fixedly installed on the inner wall of the tubular drill rod (21), a cable (23) is arranged in the tubular drill rod (21), one end of the cable (23) is electrically connected with the ultrasonic probe (15), the other end of the cable is electrically connected with the measuring and reading equipment (25) through a wire slip ring type rotary joint (24), and the cable (23) is fixed in the tubular drill rod (21) through the movable positioning support (22).
2. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 1, wherein: the reaming connecting rod assembly (12) comprises a connecting shaft block (121) fixedly welded on the side face of the drill rod connecting seat block (11) and a reaming connecting rod A (122) with one end movably connected to the connecting shaft block (121) in a shaft coupling mode, the other end of the reaming connecting rod A (122) is movably connected to a reaming connecting rod B (123) in a shaft coupling mode, and tooth blocks (124) are fixedly arranged on the side faces of the reaming connecting rod A (122) and the reaming connecting rod B (123).
3. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 2, wherein: the drill bit resets erection column spare (13) and includes fixed welding in location post pole (131) of drilling rod connection seat piece (11) lower extreme and fixed welding in reset spring A (132) of location post pole (131) one end to suit telescopic tube (133) on location post pole (131), the fixed welding in telescopic tube (133) of the other end of reset spring A (132), fixed welding probe installation post piece (134) of lower extreme of telescopic tube (133), and the one end coupling of reaming connecting rod B (123) is in the side of probe installation post piece (134).
4. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 3, wherein: an installation cavity (1341) is formed in the upper end of the probe installation column block (134), a side opening (1342) is formed in the lower end of the probe installation column block, and the side opening (1342) is communicated with the installation cavity (1341).
5. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 4, wherein: the ultrasonic probe (15) is fixedly arranged in an installation cavity (1341) formed in the probe installation column block (134), and the lower end of the ultrasonic probe (15) extends into the lower end of the installation cavity (1341).
6. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 1, wherein: the movable positioning support (22) comprises a fixed support end (221) and a spring compression support end (222) connected with the fixed support end (221), and the fixed support end (221) and the spring compression support end (222) are fixedly mounted on the inner wall of the tubular drill rod (21).
7. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 6, wherein: the fixed support end (221) comprises an arc-shaped positioning block (2211) and a support leg (2212) fixedly welded to the side face of the arc-shaped positioning block (2211), a support piece A (2213) is fixedly welded to the other end of the support leg (2212), and the support piece A (2213) is fixedly welded to the inner wall of the tubular drill rod (21).
8. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 7, wherein: the spring compression support end (222) comprises an arc extrusion sheet (2221) and a return spring B (2222) fixedly welded on the side face of the arc extrusion sheet (2221), the other end of the return spring B (2222) is fixedly welded with a support sheet B (2223), and the support sheet B (2223) is fixedly welded on the inner wall of the tubular drill rod (21).
9. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 8, wherein: the included angle between the support leg (2212) and the reset spring B (2222) is 120 degrees, plug-in holes (201) are formed in two ends of the arc-shaped positioning block (2211), plug-in columns (202) are formed in two ends of the arc-shaped extrusion piece (2221), the plug-in columns (202) are movably plugged in the plug-in holes (201) to be positioned and connected with the arc-shaped positioning block (2211) and the arc-shaped extrusion piece (2221), and the cable (23) is fixedly clamped between the arc-shaped positioning block (2211) and the arc-shaped extrusion piece (2221).
10. The hole expanding device for intelligently detecting the hole diameter of the hole expanding section of the anchor cable hole as claimed in claim 1, wherein: the lead slip ring type rotary joint (24) comprises a connecting plate piece (241), a rotor end (242) and a stator end (243), wherein the rotor end (242) and the stator end (243) are respectively installed at two ends of the connecting plate piece (241), a rotor shaft (244) is movably installed at the rotor end (242), one end of a cable (23) is electrically connected to a connecting lead of the rotor shaft (244), and the connecting lead of the stator end (243) is electrically connected with the measuring and reading equipment (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110887426.3A CN113482536B (en) | 2021-08-03 | 2021-08-03 | Reaming device for intelligently detecting aperture of reaming section of anchor cable hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110887426.3A CN113482536B (en) | 2021-08-03 | 2021-08-03 | Reaming device for intelligently detecting aperture of reaming section of anchor cable hole |
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| CN114151012A (en) * | 2021-12-07 | 2022-03-08 | 中建东设岩土工程有限公司 | Jet grouting pile expanding and jet grouting assisting construction and pile diameter detection method |
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