CN113587841A - Quick centering type blast hole measuring device - Google Patents
Quick centering type blast hole measuring device Download PDFInfo
- Publication number
- CN113587841A CN113587841A CN202110918971.4A CN202110918971A CN113587841A CN 113587841 A CN113587841 A CN 113587841A CN 202110918971 A CN202110918971 A CN 202110918971A CN 113587841 A CN113587841 A CN 113587841A
- Authority
- CN
- China
- Prior art keywords
- support
- claw
- centering
- block
- blasthole
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000005422 blasting Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 description 7
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010057175 Mass conditions Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
一种快速定心式炮孔测量装置，包括支撑外套管、三爪式支撑架、支撑内杆、三爪式顶推块、定心胀紧块及激光测距仪；支撑外套管同轴套装在支撑内杆外侧，支撑内杆长度大于支撑外套管长度，支撑内杆相对于支撑外套管具有轴向移动自由度；三爪式支撑架同轴固连在支撑外套管顶端，三爪式支撑架的每根支撑指上均安装有一个定心胀紧块，定心胀紧块相对于三爪式支撑架具有径向移动自由度；三爪式顶推块同轴固连在支撑内杆顶端且位于三爪式支撑架中心处，三爪式顶推块与三爪式支撑架上的三个定心胀紧块同时顶靠接触在一起；激光测距仪固定安装在三爪式顶推块顶部中心处。本发明的快速定心式炮孔测量装置具有测量稳定性高、测量精确度高、测量效率高的特点。
A rapid centering type blasthole measuring device, comprising a support outer casing, a three-claw support frame, a support inner rod, a three-claw push block, a centering expansion block and a laser range finder; the support outer casing is a coaxial set On the outside of the support inner rod, the length of the support inner rod is greater than the length of the support outer sleeve, and the support inner rod has the freedom of axial movement relative to the support outer sleeve; the three-claw type support frame is coaxially fixed on the top of the support outer sleeve, and the three-claw type supports A centering and expanding block is installed on each support finger of the frame, and the centering and expanding block has a degree of freedom of radial movement relative to the three-claw support frame; the three-claw push block is coaxially fixed to the inner rod of the support The top is located at the center of the three-claw support frame. The three-claw push block and the three centering and expansion blocks on the three-claw support frame are in contact with each other at the same time; the laser range finder is fixedly installed on the three-claw top. Push the top center of the block. The rapid centering type blasthole measuring device of the invention has the characteristics of high measurement stability, high measurement accuracy and high measurement efficiency.
Description
Technical Field
The invention belongs to the technical field of blast hole measurement, and particularly relates to a rapid centering type blast hole measuring device.
Background
At present, the blasting technology is widely applied to places such as open mines, railways, roads, quarries and the like, wherein the drilling work is one of important links of blasting engineering, because blast holes for placing explosives or detonators need to be drilled during blasting, and the depth of the blast holes has great influence on subsequent blasting.
Under the complex working condition of the underground mine, the stability of the blast hole becomes an important factor for restricting the production blasting of the underground mine, particularly, when the blast hole is empty for a long time in the iron ore, the blast hole is easily subjected to the conditions of serious hole blocking, hole shrinkage and the like when being influenced by numerous factors such as rock mass conditions, construction disturbance and the like, so that the improvement of the working efficiency of the mine blasting is hindered, and therefore, the rapid measurement of the blast hole is very important before the charging blasting.
At the present stage, the more mainstream blast hole measurement mode is to adopt hand-held type laser drilling measuring apparatu to measure the blast hole, and in addition, when the blast hole in the face of strip mine, mainly utilize measuring rope and balancing weight to measure the blast hole, still a more simple and easy blast hole measurement mode has just utilized a plastic tubing to directly stretch into in the blast hole, stretches into length through measuring the plastic tubing and confirms the blast hole degree of depth.
However, for the manner of measuring the blast hole by using the handheld laser drilling measuring instrument, the measurement is greatly affected by the environment, the stability during measurement is poor, the measurement accuracy is often low, and the measurement efficiency is low, especially for the roadway with the height of 5m, the handheld laser drilling measuring instrument cannot measure the blast hole in the roadway, and meanwhile, the handheld laser drilling measuring instrument is only suitable for the shallow blast hole with the depth of less than 3m, and cannot meet the measurement requirement of the medium-depth blast hole.
To utilizing the measuring rope and balancing weight to the big gun hole measurement mode, only satisfy perpendicular decurrent big gun hole, and along with the increase of big gun hole measurement number of times and the aggravation of measurement task, need measure a lot of times repeatedly, will measure before the powder charge, the powder charge still needs the measurement that finishes, although the influence of measuring before the powder charge is less, nevertheless wait until the explosive and the detonator all load after finishing, when measuring this moment, if the error appears during the operation, then the balancing weight of stereoplasm causes the damage to the detonator very easily, thereby lead to the explosive can't detonate.
For the mode of directly extending a plastic pipe into a blast hole for measurement, the measurement efficiency is very low, the labor intensity is very high, and quick measurement cannot be realized.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a rapid centering type blast hole measuring device which has the characteristics of high measuring stability, high measuring accuracy and high measuring efficiency, can meet the blast hole measuring requirement in a high-altitude roadway, can meet the measuring requirement of medium-depth blast holes, and can meet the blast hole measuring requirement of any drilling angle.
In order to achieve the purpose, the invention adopts the following technical scheme: a rapid centering type blast hole measuring device comprises a supporting outer sleeve, a three-jaw type supporting frame, a supporting inner rod, a three-jaw type pushing block, a centering expansion block and a laser range finder; the support outer sleeve is coaxially sleeved on the outer side of the support inner rod, the length of the support inner rod is greater than that of the support outer sleeve, and the support inner rod has axial movement freedom relative to the support outer sleeve; the three-jaw type support frame is coaxially and fixedly connected to the top end of the support outer sleeve, each support finger of the three-jaw type support frame is provided with a centering expansion block, and the centering expansion blocks have radial movement freedom relative to the three-jaw type support frame; the three-jaw type pushing block is coaxially and fixedly connected to the top end of the support inner rod and is positioned in the center of the three-jaw type support frame, and the three-jaw type pushing block and the three centering expansion blocks on the three-jaw type support frame are simultaneously abutted and contacted together; the laser range finder is fixedly arranged at the center of the top of the three-jaw type ejector pad.
A radial sliding guide rail is fixedly arranged on the centering expansion block and adopts a parallel double-track structure; a radial sliding groove is formed in the supporting finger of the three-jaw type supporting frame, and the radial sliding groove adopts a parallel double-sliding-groove structure; the radial sliding guide rail is positioned in the radial sliding groove, and the radial sliding guide rail has a linear sliding freedom degree in the radial sliding groove.
The cross-sectional shapes of the radial sliding guide rail and the radial sliding groove are both rectangular.
An inclined sliding guide rail is fixedly arranged on the three-jaw type pushing block; an oblique sliding groove is formed in the centering expansion block; the slant sliding guide rail is positioned in the slant sliding groove, and the slant sliding guide rail has a linear sliding freedom degree in the slant sliding groove.
The cross-sectional shapes of the oblique sliding guide rail and the oblique sliding chute are both dovetail shapes.
And the top of the centering expansion block is fixedly connected with an auxiliary expansion block for increasing the contact area between the centering expansion block and the inner wall of the blast hole.
An inner rod axial limiting stop ring is fixedly arranged on the inner support rod between the three-jaw type support frame and the three-jaw type pushing block.
A wireless data transmitter is arranged in the laser range finder, and intelligent terminal equipment is arranged outside a blast hole; and the blast hole depth data measured by the laser range finder is transmitted to the intelligent terminal equipment through the wireless data transmitter, and the intelligent terminal equipment displays the blast hole depth data in real time.
The wireless data transmitter is a wireless data transmitter based on a Bluetooth transmission technology, and the intelligent terminal device is an intelligent terminal device based on the Bluetooth transmission technology.
The invention has the beneficial effects that:
the rapid centering type blast hole measuring device has the characteristics of high measuring stability, high measuring accuracy and high measuring efficiency, can meet the blast hole measuring requirement in a high-altitude roadway, can meet the measuring requirement of medium-depth blast holes, and can meet the blast hole measuring requirement of any drilling angle.
Drawings
Fig. 1 is a schematic structural diagram (view angle one) of a fast centering type blast hole measuring device according to the present invention;
fig. 2 is a schematic structural diagram (view two) of a fast centering type blast hole measuring device according to the present invention;
figure 3 is a partial cross-sectional view of a fast-centring gun hole measuring device of the invention (with the centring blooms in the minimum radial position);
figure 4 is a partial cross-sectional view of a fast-centring gun hole measuring device of the invention (with the centring blooms in the maximum radial position);
in the figure, 1-supporting outer sleeve, 2-three-jaw type supporting frame, 3-supporting inner rod, 4-three-jaw type pushing block, 5-centering expansion block, 6-laser range finder, 7-radial sliding guide rail, 8-radial sliding groove, 9-oblique sliding guide rail, 10-oblique sliding groove, 11-auxiliary expansion block and 12-inner rod axial limiting stop ring.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, a fast centering type blast hole measuring device comprises a supporting outer sleeve 1, a three-jaw type supporting frame 2, a supporting inner rod 3, a three-jaw type pushing block 4, a centering expansion block 5 and a laser range finder 6; the support outer sleeve 1 is coaxially sleeved outside the support inner rod 3, the length of the support inner rod 3 is greater than that of the support outer sleeve 1, and the support inner rod 3 has axial movement freedom relative to the support outer sleeve 1; the three-jaw type support frame 2 is coaxially and fixedly connected to the top end of the support outer sleeve 1, each support finger of the three-jaw type support frame 2 is provided with a centering expansion block 5, and the centering expansion blocks 5 have radial movement freedom relative to the three-jaw type support frame 2; the three-jaw type pushing block 4 is coaxially and fixedly connected to the top end of the support inner rod 3 and is positioned in the center of the three-jaw type support frame 2, and the three-jaw type pushing block 4 and the three centering and expanding blocks 5 on the three-jaw type support frame 2 are simultaneously abutted and contacted together; and the laser range finder 6 is fixedly arranged at the center of the top of the three-jaw type ejector block 4.
A radial sliding guide rail 7 is fixedly arranged on the centering expansion block 5, and the radial sliding guide rail 7 adopts a parallel double-track structure; a radial sliding chute 8 is arranged on the supporting finger of the three-jaw type supporting frame 2, and the radial sliding chute 8 adopts a parallel double-sliding-chute structure; the radial sliding guide rail 7 is positioned in the radial sliding groove 8, and the radial sliding guide rail 7 has a linear sliding freedom degree in the radial sliding groove 8.
The cross sections of the radial sliding guide rail 7 and the radial sliding chute 8 are rectangular.
An inclined sliding guide rail 9 is fixedly arranged on the three-jaw type ejector block 4; an inclined sliding groove 10 is formed in the centering expansion block 5; the inclined sliding guide rail 9 is positioned in the inclined sliding groove 10, and the inclined sliding guide rail 9 has a linear sliding freedom degree in the inclined sliding groove 10.
The cross sections of the inclined sliding guide rail 9 and the inclined sliding groove 10 are both in a dovetail shape.
And the top of the centering expansion block 5 is fixedly connected with an auxiliary expansion block 11 for increasing the contact area of the centering expansion block 5 and the inner wall of the blast hole.
An inner rod axial limiting stop ring 12 is fixedly arranged on the inner support rod 3 between the three-jaw type support frame 2 and the three-jaw type pushing block 4.
A wireless data transmitter is arranged in the laser range finder 6, and intelligent terminal equipment is arranged outside a blast hole; and the blast hole depth data measured by the laser range finder 6 is transmitted to the intelligent terminal equipment through the wireless data transmitter, and the intelligent terminal equipment displays the blast hole depth data in real time.
The wireless data transmitter is a wireless data transmitter based on a Bluetooth transmission technology, and the intelligent terminal device is an intelligent terminal device based on the Bluetooth transmission technology.
The one-time use process of the present invention is described below with reference to the accompanying drawings:
take an inclined blast hole in a top plate of a high-altitude roadway as an example. When a certain blast hole needing to be measured is selected, firstly, a worker holds the bottom end of a support outer sleeve 1 by one hand, then moves the support outer sleeve 1 until a three-jaw type support frame 2 at the top end of the support outer sleeve 1 is inserted into a blast hole orifice, then, the other hand of the worker holds the top end of a support inner rod 3, then, the support inner rod 3 is pushed upwards, so that the support inner rod 3 extends upwards relative to the support outer sleeve 1, the three-jaw type pushing block 4 is synchronously driven to move upwards along the axial direction along with the movement of the support inner rod 3, in the moving process of the three-jaw type pushing block 4, the axial movement of the three-jaw type pushing block 4 is synchronously converted into the radial movement of a centering and expanding block 5 until the three centering and expanding blocks 5 abut against the inner wall of the blast hole, at the moment, the support inner rod 3 can not move continuously, and the thrust of the support inner rod 3 is kept continuously, so as to ensure that the three centering expansion blocks 5 are propped against the inner wall of the blast hole.
After three centering bloated compact 5 completely leaned on at the big gun hole inner wall, then laser range finder 6 has also realized the centering process in the big gun hole in step, later by another staff operation intelligent terminal equipment in the tunnel, and wireless remote control laser range finder 6 measures, and after the measured data of big gun hole degree of depth acquireed, can the very first time wireless transmission return intelligent terminal equipment and show in real time to the rapid survey of big gun hole has been realized.
After the acquisition of the depth data of the blast hole is finished, the inner support rod 3 is pulled reversely until the inner support rod returns to the initial position, at the moment, the three-jaw type pushing block 4 and the centering expansion block 5 can also be reset in a linkage manner, the centering expansion block 5 is separated from the inner wall of the blast hole, then the outer support sleeve 1 is moved, the three-jaw type support frame 2 is withdrawn from the measured blast hole, and the measurement work of the subsequent blast hole can be continuously finished.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918971.4A CN113587841A (en) | 2021-08-11 | 2021-08-11 | Quick centering type blast hole measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918971.4A CN113587841A (en) | 2021-08-11 | 2021-08-11 | Quick centering type blast hole measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113587841A true CN113587841A (en) | 2021-11-02 |
Family
ID=78257241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110918971.4A Pending CN113587841A (en) | 2021-08-11 | 2021-08-11 | Quick centering type blast hole measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113587841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838679A (en) * | 2022-04-26 | 2022-08-02 | 鞍钢集团矿业有限公司 | Underground mine blast hole measuring device and using method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201353709Y (en) * | 2009-02-19 | 2009-12-02 | 北京北内设备工具有限公司 | Self-centering device used for locating inner holes |
| CN101829794A (en) * | 2010-05-28 | 2010-09-15 | 中国航天科技集团公司长征机械厂 | Six-claw double-linkage self-centering chuck |
| CN203758404U (en) * | 2013-11-29 | 2014-08-06 | 浙江台玖精密机械有限公司 | Disc milling cutter indexing detector |
| CN205426044U (en) * | 2016-02-02 | 2016-08-03 | 南京信息职业技术学院 | Deep hole inner diameter measuring device |
| CN107127590A (en) * | 2017-06-09 | 2017-09-05 | 北京工业大学 | A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type |
| CN206523144U (en) * | 2017-03-04 | 2017-09-26 | 内蒙古康宁爆破有限责任公司 | Blast hole depth detection means |
| CN108871227A (en) * | 2018-09-07 | 2018-11-23 | 北方爆破科技有限公司 | A kind of hand-held blast hole depth measuring device |
| CN208968486U (en) * | 2018-09-27 | 2019-06-11 | 内蒙古生力中伟爆破有限责任公司 | Blast hole depth measuring device |
| CN110146039A (en) * | 2019-05-15 | 2019-08-20 | 南京信息职业技术学院 | Positioning device for central axis of circular hole |
| JP2019151886A (en) * | 2018-03-02 | 2019-09-12 | 株式会社Ｗａｄｅｃｏ | Surface detection device for blast furnace charge |
| CN111659915A (en) * | 2019-03-08 | 2020-09-15 | 台州市百达电器有限公司 | Numerical control machine tool clamp for machining motor shell |
-
2021
- 2021-08-11 CN CN202110918971.4A patent/CN113587841A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201353709Y (en) * | 2009-02-19 | 2009-12-02 | 北京北内设备工具有限公司 | Self-centering device used for locating inner holes |
| CN101829794A (en) * | 2010-05-28 | 2010-09-15 | 中国航天科技集团公司长征机械厂 | Six-claw double-linkage self-centering chuck |
| CN203758404U (en) * | 2013-11-29 | 2014-08-06 | 浙江台玖精密机械有限公司 | Disc milling cutter indexing detector |
| CN205426044U (en) * | 2016-02-02 | 2016-08-03 | 南京信息职业技术学院 | Deep hole inner diameter measuring device |
| CN206523144U (en) * | 2017-03-04 | 2017-09-26 | 内蒙古康宁爆破有限责任公司 | Blast hole depth detection means |
| CN107127590A (en) * | 2017-06-09 | 2017-09-05 | 北京工业大学 | A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type |
| JP2019151886A (en) * | 2018-03-02 | 2019-09-12 | 株式会社Ｗａｄｅｃｏ | Surface detection device for blast furnace charge |
| CN108871227A (en) * | 2018-09-07 | 2018-11-23 | 北方爆破科技有限公司 | A kind of hand-held blast hole depth measuring device |
| CN208968486U (en) * | 2018-09-27 | 2019-06-11 | 内蒙古生力中伟爆破有限责任公司 | Blast hole depth measuring device |
| CN111659915A (en) * | 2019-03-08 | 2020-09-15 | 台州市百达电器有限公司 | Numerical control machine tool clamp for machining motor shell |
| CN110146039A (en) * | 2019-05-15 | 2019-08-20 | 南京信息职业技术学院 | Positioning device for central axis of circular hole |
Non-Patent Citations (2)
| Title |
|---|
| 林茂奎: "《渐开线大花键孔的定心工具》", 《测试技术》 * |
| 赵诗若: "《基于自动定心夹紧的快速精密胀芯夹具》", 《INTERNAL COMBUSTION ENGINE & PARTS》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838679A (en) * | 2022-04-26 | 2022-08-02 | 鞍钢集团矿业有限公司 | Underground mine blast hole measuring device and using method |
| CN114838679B (en) * | 2022-04-26 | 2024-02-09 | 鞍钢集团矿业有限公司 | Underground mine blast hole measuring device and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190203594A1 (en) | Automatic method and system for detecting problematic geological formations ahead of tunnel faces | |
| CN102829899B (en) | Quick surrounding rock stress measuring method applicable to buried circular tunnels | |
| CN205690998U (en) | Simulation tunnel drilling and blasting method excavation bores big gun hole and powder charge integrated apparatus | |
| CN106703795A (en) | Roof rock in the lane grade while drilling detection device and method based on laser distance meter | |
| CN113587841A (en) | Quick centering type blast hole measuring device | |
| CN110837110B (en) | A Seismic Wave Method Advance Prediction Auxiliary Device and Method Applicable to TBM Tunnel | |
| CN204831041U (en) | Quick powder charge auxiliary device of super large cross -section tunnel deep hole blasting | |
| Timonin et al. | Process and measuring equipment transport in uncased boreholes | |
| CN109915130A (en) | Oil testing device and method | |
| CN114577386B (en) | Real shock wave load test method and test system for electronic detonator in blast hole | |
| CN116291201A (en) | Underground engineering emergency rescue method based on horizontal directional drill | |
| CN111913216A (en) | Roadway surrounding rock stability force structure cooperative monitoring method influenced by repeated mining | |
| CN109188507B (en) | Based on CO2Mine earthquake advanced detection method of cannon | |
| CN109239770A (en) | One kind is with CO2Big gun is the working face lateral wall seismic detection method of focus | |
| CN204007365U (en) | A kind of cloth hole instrument that can accurately arrange surface blasting big gun hole site | |
| CN209295803U (en) | A device for filling explosives in rock drilling rig | |
| CN212454399U (en) | A kind of casing type ground stress test matching positioning and ranging device | |
| CN209842085U (en) | Probe delivery device of tunnel TSP geological forecast receiving hole | |
| CN205477594U (en) | Along with boring inclinometer | |
| CN116045775A (en) | Down large-diameter blast hole depth measuring device and application method thereof | |
| CN113309567B (en) | Method for accurately determining position of fracture zone of roof of coal seam based on medium-pressure water injection | |
| CN111189534B (en) | Method for improving accuracy of aligning blasting vibration meter sensor to blasting core | |
| CN207296976U (en) | A kind of perforation tool | |
| CN204591258U (en) | Track measurement while drilling mechanism suitable for screen pipe lowering process | |
| CN205138349U (en) | Spring contraction type detonator big gun line fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |