CN210919016U - In-situ measurement system of engineering geological exploration drilling machine - Google Patents
In-situ measurement system of engineering geological exploration drilling machine Download PDFInfo
- Publication number
- CN210919016U CN210919016U CN201921825946.6U CN201921825946U CN210919016U CN 210919016 U CN210919016 U CN 210919016U CN 201921825946 U CN201921825946 U CN 201921825946U CN 210919016 U CN210919016 U CN 210919016U
- Authority
- CN
- China
- Prior art keywords
- joint
- threaded connection
- sleeve
- water passing
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an engineering geology exploration drilling machine's normal position measurement system, including vertical shaft type rotary drill body, water passing drill rod, mud pit, slush pump, rotary faucet, degree of depth measuring apparatu and reading appearance, it is equipped with the measurement member between water passing drill rod bottom and the drill bit to rig, measure the member be equipped with water passing drill rod isodiametric closed shell, be equipped with hydraulic pressure sensor in the closed shell and rather than corresponding water passing channel, torque sensor, pressure sensor, data acquisition memory and battery power, the data acquisition memory is equipped with the communication interface at ground and reading appearance data transfer. The system is suitable for various vertical shaft type rotary drilling machines in engineering geological exploration drilling machines, and has the outstanding advantages of more centralized measuring devices, convenience in installation and debugging and simple use method.
Description
Technical Field
The utility model discloses an engineering geology prospecting rig, especially an engineering geology prospecting rig's normal position measurement system.
Background
The vertical shaft type rotary drilling machine is a drilling machine commonly used for engineering geological exploration, and is generally provided with a depth measuring instrument and a hydraulic pressure gauge of a hydraulic feeding part, and the drilling machine takes a coring test as a main measuring means.
A while-drilling measurement system for engineering geological drilling with a notice number CN101476462B discloses a technical scheme of adding the while-drilling measurement system to the common vertical shaft type rotary drilling machine, which comprises the following specific steps: a torque measuring device is coaxially arranged at the lower part of the vertical shaft, a rotating speed measuring device and a displacement measuring device are arranged on the cross beam, an oil pressure measuring device is arranged in the hydraulic control box, the torque, oil pressure, rotating speed and displacement measuring devices are all composed of corresponding sensors and circuit boards, and a microprocessor and a Bluetooth module are all arranged on the circuit boards.
According to the technical scheme, 4 parameters of torque, weight on bit, rotating speed and distance related to mechanical properties of rock and soil can be obtained, and the parameters are collected, recorded and displayed at certain time intervals through a recorder, namely a smart phone (Pocket PC) and a control device, so that remote data communication between a field and an office is realized.
The technical scheme has the defects of dispersion of all measuring devices and inconvenience in installation and debugging.
The utility model discloses a utility model for rotatory penetration test's data processing appearance of bulletin number CN201138519 is a reading appearance of being applied to on the no cable rotatory penetration test ground, and it comprises CPU, display, memory, communication interface and special keyboard, the special computer of printer, and system's procedure includes on-the-spot survey procedure, data playback procedure, sensor calibration procedure, file preview procedure, system's setting procedure. Wherein the field survey program is mainly used for testing the depth recording and monitoring the running condition of the system. The data playback program mainly completes the control of data acquisition, storage, transmission, printing and the like. The sensor calibration procedure mainly completes sensor inspection, initial value setting and confirmation, and clock setting, so that the underground test rod and the ground reading instrument are in clock synchronization. The file previewing program mainly completes the operations of selecting and controlling the sounding curve browsed from the ground reading instrument interface, moving, copying, deleting, renaming and the like of the files. The system setting program finishes marking the project name, the hole number, the depth coefficient and the measuring date of the test file, generating and displaying a curve, and setting a longitudinal coordinate scale and a horizontal coordinate scale; and setting parameters of a k value between cones, a torque k value and a water pressure k value.
Disclosure of Invention
The utility model relates to an overcome above-mentioned each measuring device of measurement while drilling system that is used for engineering geology probing than the technical problem of dispersion, inconvenient installation and debugging defect, and provide an engineering geology exploration drilling machine's normal position measurement system.
The utility model discloses a realize above-mentioned purpose and take following technical scheme: the in-situ measurement system of the engineering geological exploration drilling machine comprises a vertical shaft type rotary drilling machine body, a water passing drilling rod, a slurry pit, a slurry pump, a rotary faucet, a depth measuring instrument and a reading instrument, and is characterized in that a measurement rod piece is arranged between the bottom end of the water passing drilling rod of the drilling machine and a drilling head, the measurement rod piece is provided with a closed shell with the diameter equal to that of the water passing drilling rod, a water pressure sensor, a water passing channel corresponding to the water pressure sensor, a torsion sensor, a pressure sensor, a data acquisition memory and a battery power supply are arranged in the closed shell, and the data acquisition memory is provided with a communication interface for.
The utility model discloses can also take following technical measure:
the closed shell of the measuring rod piece is composed of an upper joint, a lower joint, a middle joint and an upper and lower outer sleeves, wherein the upper joint is in threaded connection with the bottom end of the water passing drill rod, the lower joint is in threaded connection with a drill bit, the middle joint is in threaded connection with the inner side of the bottom end of the upper joint, a boss is arranged on the surface of the middle joint, the upper end of the upper outer sleeve is in threaded connection with the upper surface of the boss, the upper end of the lower outer sleeve is in threaded connection with the lower part of the boss of the middle joint, the upper end of the lower outer sleeve is in threaded connection with the lower surface of the boss, and rubber sealing; the bottom end of the middle joint is provided with a transmission sleeve in threaded connection with the middle joint, the bottom end of the transmission sleeve is in threaded connection with the transmission joint, a torsion sleeve in threaded connection is arranged between the transmission joint and the lower joint, a resistance strain gauge is arranged in an annular groove on the surface of the torsion sleeve to form a torsion sensor, the surface of the torsion sleeve is provided with an isolation sleeve, an inner boss at the upper end of the isolation sleeve is connected with a supporting shoulder of the transmission joint, the middle joint is provided with a nut for fixing the isolation sleeve, a rubber seal ring is arranged between the isolation sleeve and the lower joint, the upper end of the transmission joint is provided with a mandril in threaded connection and a blind pipe in clearance fit with the mandril, the blind pipe is provided with a convex edge connected with the bottom edge of the transmission joint, the surface of the blind pipe is provided with the resistance strain gauge to form a pressure sensor, and water passing holes communicated with the upper joint, the, the lower joint is symmetrically provided with water inlets which enable the inner cavity of the lower joint to be communicated with the water passing pore channel, the inner cavity of the lower joint is provided with an outer sleeve, a bearing plate is fastened between the outer sleeve and a boss at the top of the inner cavity, and the bearing plate is provided with a resistance strain gauge to form a water pressure sensor; the middle joint is internally provided with a cylindrical shell with the bottom end in threaded connection with the transmission joint, the cylindrical shell is provided with a side cover, an upper end cover and a sealing ring, the cylindrical shell is internally provided with a circuit board of a data acquisition memory, the convex edges of the lower joint, the ejector rod and the blind pipe and the transmission joint are provided with wire passing pore passages of water pressure sensors, torsion sensors and pressure sensor signal wires, the signal wires of the sensors are provided with plug connectors for connecting the circuit board of the data acquisition memory, and the communication interface of the circuit board of the data acquisition memory corresponds to the upper end cover of the cylindrical shell.
The utility model has the advantages of: the measuring rod piece of the system is provided with a pressure sensor, a torsion sensor and a water pressure sensor, and can obtain continuous parameters of penetration pressure (F), rotation torque (N) and water supply pressure (W), wherein the parameters are specific characteristics of the force required by soil cutting in the downward rotation penetration process of the drill bit. The penetration pressure (F) is equivalent to the penetration resistance (Ps) of the static sounding, the numerical value change or the continuous curve change of the penetration pressure (F) reflects different engineering properties of the soil layer changing along the depth, and the penetration pressure (F) can be directly used for mechanical layering of the soil layer and determining the main design parameters of the soil layer such as the foundation bearing capacity, the deformation modulus, the shear strength and the like; the rotating torque (N) is equivalent to static sounding side friction resistance (fs) or cross plate shear strength (Cu), and the change of the numerical value or the change of a continuous curve of the rotating torque reflects different engineering properties of soil layers and soil plasticity degrees changing along the depth, and is used for layering mechanical and physical properties and determining main design parameters such as shear strength of the soil of the layer; the water supply pressure (W) is the pressure of the flushing liquid at the water outlet of the drill bit for discharging the soil, can directly reflect the dissipation pressure of the flushing liquid to different soil bodies, namely the plastic degree of the soil bodies, the plastic degrees of the soil bodies with different soil properties, which change along the depth and are reflected by the change of the numerical value or the change of a continuous curve, are used for physical property layering, and the index of the water supply pressure (W) is a supplementary parameter for physical layering according to the rotating torque (N). The practical result of the invention is compared and analyzed with a large amount of test case data such as drilling, sampling, indoor test and the like fully, and the test precision of the measuring rod piece obtained by the invention is the same as that of static sounding, and the measuring rod piece has accuracy and reliability. The utility model discloses be particularly useful for various vertical shaft type rotary drill uses among the engineering geology prospecting rig, has measuring device and more concentrates, be convenient for installation and debugging and the simple outstanding advantage of application method.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a measuring rod in the system.
FIG. 2 is a schematic cross-sectional view of the part of the structure of FIG. 1aa above the dotted line.
FIG. 3 is a cross-sectional view of the portion of FIG. 1aa below the dashed line.
Fig. 4 is a schematic structural diagram of an application embodiment of the system.
The labels in the figure are: the device comprises an upper joint 1, an upper outer sleeve 2, a middle joint 3, a lower outer sleeve 4, a lower joint 5, a water inlet 5-1, a cylindrical shell 6, an upper end cover 6-1, a circuit board 7, a communication interface 7-1, a plug connector 7-2, a transmission sleeve 8, a transmission joint 9, a nut 10, an isolation sleeve 11, a torsion sleeve 12, a blind pipe 13, a resistance strain gauge 14, a push rod 15, a bearing plate 16, an outer screw sleeve 17, a rubber sealing ring 18, a water passing hole 19, a water passing hole 20, a drilling machine body 21, a depth measuring instrument 22, a reading instrument 23 and a water passing drill rod 24.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 4, a commonly used engineering geological exploration drilling machine comprises a vertical shaft type rotary drilling machine body 21, a water passing drilling rod 24, a mud pit, a mud pump, a rotary water tap, a depth measuring instrument 22 and a reading instrument 23, wherein a measuring rod is arranged between the bottom end of the water passing drilling rod 24 and a drilling head 6 of the drilling machine.
As shown in fig. 1, 2, 3 and 4, the measuring rod member is a closed shell with the same diameter as the water passing drill rod 24 and composed of an upper joint 1 in threaded connection with the bottom end of the water passing drill rod 24, a lower joint 5 in threaded connection with a drill bit 6, a middle joint 3 in threaded connection with the inner side of the bottom end of the upper joint 1, an upper outer sleeve 2 and a lower outer sleeve 4. The surface of the middle joint 3 is provided with a boss, the upper end part of the upper outer sleeve 2 is in threaded connection with the upper joint 1, and the lower end edge of the upper outer sleeve 2 is jointed with the upper surface of the boss; the upper end of the lower outer sleeve 4 is screwed with the lower part of the boss of the middle joint 3, and the upper end edge of the lower outer sleeve is jointed with the lower surface of the boss.
The upper joint 1, the lower joint 5, the middle joint 3 and the corresponding joint surfaces of the upper outer sleeve and the lower outer sleeve of the measuring rod piece are respectively provided with a rubber sealing ring 18.
The bottom end of the middle joint 3 is provided with a transmission sleeve 8 in threaded connection with the middle joint, the bottom end of the transmission sleeve is in threaded connection with a transmission joint 9, a torsion sleeve 12 in threaded connection is arranged between the transmission joint 9 and the lower joint 5, and a resistance strain gauge 14 is arranged in an annular groove on the surface of the torsion sleeve 12 to form a torsion sensor.
The surface of the torque sleeve 12 is provided with an isolation sleeve 11, an inner boss at the upper end of the isolation sleeve 11 is connected with a supporting shoulder of the transmission joint 9, the middle joint 3 is provided with a nut 10 for fixing the isolation sleeve 11, and a rubber sealing ring 18 is arranged between the isolation sleeve 11 and the lower joint 5.
The upper end of the transmission joint 9 is provided with an ejector rod 15 in threaded connection and a blind pipe 13 in clearance fit with the ejector rod, the blind pipe 13 is provided with a convex edge jointed with the bottom edge of the transmission joint 9, and the surface of the blind pipe is provided with a resistance strain gauge 14 to form the pressure sensor.
The upper joint 1, the upper joint 1 and the upper outer sleeve 2, the middle joint 3, the lower outer sleeve 4, the transmission joint 9 and the isolation sleeve 11 are provided with water passing pore canals 19 which are communicated, and the lower joint 5 is symmetrically provided with water inlets 5-1 which enable the inner cavity of the lower joint to be communicated with the water passing pore canals 19.
An outer sleeve 17 is arranged in the inner cavity of the lower joint 5, a pressure bearing plate 16 is fastened between the outer sleeve and a boss at the top of the inner cavity, and the pressure bearing plate 16 is provided with a resistance strain gauge 14 to form the water pressure sensor.
The middle joint 3 is internally provided with a cylindrical shell 6, the bottom end of which is connected with a transmission joint 9 in a threaded manner, the cylindrical shell is provided with a side cover (not shown) and an upper end cover 6-1 and a sealing ring thereof, and the cylindrical shell is internally provided with a circuit board 7 of a data acquisition and storage device.
The convex edges of the lower joint 5, the ejector rod 15 and the blind pipe 13 and the transmission joint 9 are provided with wire passing pore canals 20 of signal wires of a water pressure sensor, a torsion sensor and a pressure sensor, the signal wires of each sensor are provided with plug connectors 7-2 for connecting a data acquisition memory circuit board, and a communication interface 7-1 of the data acquisition memory circuit board corresponds to the upper end cover 6-1 of the cylindrical shell 6.
The main operation steps of this embodiment are described below with reference to fig. 4:
1. before sounding operation, the testing rod piece is connected to a reading instrument through a communication interface on the ground, and the content specified by a program is completed through the reading instrument.
2. And after the reading instrument finishes the program specified content, disconnecting the test rod piece from the reading instrument.
3. The upper end cover of the cylindrical shell body provided with the data acquisition memory and the upper joint of the test rod piece are arranged, the relevant interface of the reading instrument is connected with the output of a drill bit depth recorder, namely a foot machine, and the reading instrument records the corresponding relation between the drill bit depth and the time.
4. And (4) installing a drill bit on the lower joint of the test rod piece, and connecting the upper joint to the water passing drill rod.
5. And starting a mud pump to use water or mud as flushing fluid, and realizing water circulation by rotating a water faucet, a water passing drill rod, a test rod piece and a drill bit water outlet.
6. The hydraulic system of the drilling machine is started to start penetration operation, the drilling machine with the functions of rotation and downward pressure drives the water passing drill rod, the test rod piece and the drill bit to rotate and penetrate downwards, the pressure sensor, the torque sensor and the water pressure sensor of the test rod piece immediately output voltage signals representing the pressure, the rotation torque and the water supply pressure of continuous penetration along with the change of depth, and the data acquisition memory of the test rod piece respectively acquires and amplifies, A/D converts and stores the signals of the sensors periodically, for example 0.5 second.
7. And stopping penetration after the preset penetration depth is reached, and pulling out the water drilling rod, the test rod piece and the drill bit.
8. The testing rod piece is dismounted, the upper joint is dismounted, the upper end cover of the cylindrical shell is unscrewed, the communication interface of the data acquisition memory is connected to the reading instrument, the two machines are in communication, and the testing data corresponding to the uploading time is transmitted to the reading instrument or is transferred to the data card while the time information is uploaded.
9. The reading instrument respectively establishes relation curves of continuous penetration pressure F, rotation torque N and water supply pressure W corresponding to time h (namely depth) according to test data, namely F-h, N-h and W-h relation curves, and browses, edits and prints an output relation curve graph of an A4 format and corresponding data and a cylindrical surface graph form file.
10. The test data stored in the reading instrument or the data card is transmitted to the superior computer through the communication interface for post-processing, such as establishing a corresponding database and printing an output relation curve chart or a data table file.
Claims (2)
1. Engineering geology exploration drilling machine's normal position measurement system, including vertical shaft type rotary drill body, water drilling rod, mud pit, slush pump, rotatory tap, depth measurement appearance and reading appearance, its characterized in that: a measuring rod is arranged between the bottom end of a water passing drill rod of the drilling machine and a drill bit, the measuring rod is provided with a closed shell with the same diameter as the water passing drill rod, a water pressure sensor, a water passing channel, a torsion sensor, a pressure sensor, a data acquisition memory and a battery power supply are arranged in the closed shell, and the data acquisition memory is provided with a communication interface for transmitting data with a reading instrument on the ground.
2. The in situ measurement system of an engineered geological exploration drilling rig according to claim 1, wherein: the closed shell of the measuring rod piece is composed of an upper joint, a lower joint, a middle joint and an upper and lower outer sleeves, wherein the upper joint is in threaded connection with the bottom end of the water passing drill rod, the lower joint is in threaded connection with a drill bit, the middle joint is in threaded connection with the inner side of the bottom end of the upper joint, a boss is arranged on the surface of the middle joint, the upper end of the upper outer sleeve is in threaded connection with the upper surface of the boss, the upper end of the lower outer sleeve is in threaded connection with the lower part of the boss of the middle joint, the upper end of the lower outer sleeve is in threaded connection with the lower surface of the boss, and rubber sealing; the bottom end of the middle joint is provided with a transmission sleeve in threaded connection with the middle joint, the bottom end of the transmission sleeve is in threaded connection with the transmission joint, a torsion sleeve in threaded connection is arranged between the transmission joint and the lower joint, a resistance strain gauge is arranged in an annular groove on the surface of the torsion sleeve to form a torsion sensor, the surface of the torsion sleeve is provided with an isolation sleeve, an inner boss at the upper end of the isolation sleeve is connected with a supporting shoulder of the transmission joint, the middle joint is provided with a nut for fixing the isolation sleeve, a rubber seal ring is arranged between the isolation sleeve and the lower joint, the upper end of the transmission joint is provided with a mandril in threaded connection and a blind pipe in clearance fit with the mandril, the blind pipe is provided with a convex edge connected with the bottom edge of the transmission joint, the surface of the blind pipe is provided with the resistance strain gauge to form a pressure sensor, and water passing holes communicated with the upper joint, the, the lower joint is symmetrically provided with water inlets which enable the inner cavity of the lower joint to be communicated with the water passing pore channel, the inner cavity of the lower joint is provided with an outer sleeve, a bearing plate is fastened between the outer sleeve and a boss at the top of the inner cavity, and the bearing plate is provided with a resistance strain gauge to form a water pressure sensor; the middle joint is internally provided with a cylindrical shell with the bottom end in threaded connection with the transmission joint, the cylindrical shell is provided with a side cover, an upper end cover and a sealing ring, the cylindrical shell is internally provided with a circuit board of a data acquisition memory, the convex edges of the lower joint, the ejector rod and the blind pipe and the transmission joint are provided with wire passing pore passages of water pressure sensors, torsion sensors and pressure sensor signal wires, the signal wires of the sensors are provided with plug connectors for connecting the circuit board of the data acquisition memory, and the communication interface of the circuit board of the data acquisition memory corresponds to the upper end cover of the cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825946.6U CN210919016U (en) | 2019-10-29 | 2019-10-29 | In-situ measurement system of engineering geological exploration drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825946.6U CN210919016U (en) | 2019-10-29 | 2019-10-29 | In-situ measurement system of engineering geological exploration drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919016U true CN210919016U (en) | 2020-07-03 |
Family
ID=71366617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921825946.6U Active CN210919016U (en) | 2019-10-29 | 2019-10-29 | In-situ measurement system of engineering geological exploration drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593848A (en) * | 2019-10-29 | 2019-12-20 | 中国铁路设计集团有限公司 | In-situ measurement system of engineering geological exploration drilling machine |
-
2019
- 2019-10-29 CN CN201921825946.6U patent/CN210919016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593848A (en) * | 2019-10-29 | 2019-12-20 | 中国铁路设计集团有限公司 | In-situ measurement system of engineering geological exploration drilling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100570070C (en) | The method of testing of geotechnical engineering original position rotation contact-surveying and special equipment thereof | |
| CN110593848A (en) | In-situ measurement system of engineering geological exploration drilling machine | |
| US5978749A (en) | Pile installation recording system | |
| CN101476462B (en) | Measurement system for engineering geological drilling while drilling | |
| CN110984958B (en) | Small-size drilling engineering monitored control system | |
| AU2012201259B2 (en) | Apparatus and method for measuring weight and torque at downhole locations while landing, setting, and testing subsea wellhead consumables | |
| US4736297A (en) | Continuous real time drilling penetration rate recorder | |
| AU761130B2 (en) | Equi-pressure geosteering | |
| CN202544844U (en) | Tester for determining rock drillability and drilling parameter sensitivity | |
| CN103097655A (en) | System and method for measuring borehole conditions, in particular, verification of a final borehole diameter | |
| DE60106936T2 (en) | DEVICE AND METHOD FOR SYNCHRONIZED DRILLING MEASUREMENT | |
| CN210919016U (en) | In-situ measurement system of engineering geological exploration drilling machine | |
| CN205689189U (en) | A kind of intelligent watering device | |
| MX2012004797A (en) | System and method for determining stretch or compression of a drill string. | |
| CN104975593A (en) | Static sounding type deep soil samplers | |
| CN114441073B (en) | Small-aperture deep-hole ground stress testing system and method for water conservancy exploration drilling | |
| Rodgers et al. | Assessment of rock strength from measuring while drilling shafts in Florida limestone | |
| CN201358711Y (en) | Drilling rig with measurement while drilling function | |
| CN107100214A (en) | Stake resistance simulation test device | |
| CN113186893B (en) | Convenient device of loess interface shear behavior normal position test | |
| US5033307A (en) | Borehole "creep" displacement tool | |
| CN205910076U (en) | High temperature high pressure mud shale inflation tester | |
| CN2895735Y (en) | Single-point, multi-point clinometer of automatically recording depth | |
| CN202718646U (en) | Oil well coring tester | |
| CN200993652Y (en) | High temperature high-pressure mud shale expansion measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |