CN108007308A - A kind of hole length measuring device and measuring method - Google Patents

A kind of hole length measuring device and measuring method Download PDF

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Publication number
CN108007308A
CN108007308A CN201711168168.3A CN201711168168A CN108007308A CN 108007308 A CN108007308 A CN 108007308A CN 201711168168 A CN201711168168 A CN 201711168168A CN 108007308 A CN108007308 A CN 108007308A
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CN
China
Prior art keywords
cylindrical bar
fixed
bar
pulley
main cylindrical
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Application number
CN201711168168.3A
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Chinese (zh)
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CN108007308B (en
Inventor
韦善阳
张松峰
尹义超
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Guizhou University
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Guizhou University
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Priority to CN201711168168.3A priority Critical patent/CN108007308B/en
Publication of CN108007308A publication Critical patent/CN108007308A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18Measuring arrangements characterised by the use of mechanical techniques for measuring depth

Abstract

The invention discloses a kind of hole length measuring device and measuring method, main cylindrical bar(14)With secondary cylindrical bar(15)It is vertical to be fixedly mounted, in main cylindrical bar(14)On be in axial direction symmetrically arranged with twice sliding slot, sliding block(1)Main cylindrical bar is stretched out in both ends through sliding slot(14)Outside, through main cylindrical bar(14)Interior sliding block(1)On be fixed with coaxial pulley(6), main cylindrical bar(14)Interior bottom is fixed with baffle(4), spring(7)One end is fixed on baffle(4)The upper other end is fixed on coaxial pulley(6)On, tape measure(8)Tape top be fixed on coaxial pulley(6)On, tape measure(8)Body is fixed on secondary cylindrical bar(15)On lower end inner wall;Solve false hole length parameter, cause blasthole length parameter inaccurate, influence demolition effect, bring the destruction of country rock and serious out break, supporting expense improves;Result in manpower and materials waste reduces the technical problems such as drivage efficiency.

Description

A kind of hole length measuring device and measuring method
Technical field
The invention belongs to hole length detection technique, more particularly to a kind of hole length measuring device and measuring method.
Background technology
Coal market significantly carries out coal mine roadway developing to meet the needs of whole nation is for coal production so that Rock development work increases year by year.The headwork of stone head generally uses development blasting at present, and driving speed is substantially accelerated. When implementing bursting work, with the increase of borehole depth, after certain depth is reached, rock makees the clipping of rock drill drill steel With increase, penetration rate will be decreased obviously, and the prior art is by being all to declare hole length by worker oneself;Often there is drillman People makes a false report hole length parameter, often leads to part blasthole length parameter inaccuracy, and then influences demolition effect, brings country rock Destroy and serious out break, supporting expense improve;The error of hole length not only seriously affects the speed of application of stone head, And the waste of human and material resources and financial resources is result in, reduce drivage efficiency.
The content of the invention:
The technical problem to be solved in the present invention:A kind of hole length measuring device and measuring method are provided, to solve the prior art Mainly declared in hole length measurement by worker oneself;Since drilling worker makes a false report hole length parameter, portion is often led to Minute gun hole length parameter is inaccurate, and hole length is measured without simple and reliable measuring device;And then influence explosion Effect, brings the destruction of country rock and serious out break, and supporting expense improves;The error of hole length not only seriously affects rock The speed of application in tunnel, and the waste of human and material resources and financial resources is result in, reduce the technical problems such as drivage efficiency.
Technical solution of the present invention:
A kind of hole length measuring device, it includes main cylindrical bar and secondary cylindrical bar, and main cylindrical bar and secondary cylindrical bar are vertically fixed Installation, is in axial direction symmetrically arranged with twice sliding slot on main cylindrical bar, and sliding block both ends are stretched out outside main cylindrical bar through sliding slot, Coaxial pulley is fixed with through the sliding block in main cylindrical bar, bottom is fixed with baffle in main cylindrical bar, and spring one end is fixed on The other end is fixed on coaxial pulley on baffle, and the tape top of tape measure is fixed on coaxial pulley, and tape measure body is fixed on pair On cylindrical bar lower end inner wall.
The coaxial pulley includes concentric shafts, first pulley and second pulley is fixed with concentric shafts, one end of spring is consolidated It is scheduled on the other end on baffle to be fixed in first pulley, the tape top of tape measure is fixed in second pulley.
The bottom of main cylindrical bar is connected through a screw thread with definite value bar, and definite value bar bottom is provided with mobile pulley.
The bottom of secondary cylindrical bar is connected with the second definite value bar.
The tape of tape measure is connected by being fixed on after the fixed pulley on main cylindrical bar top with second pulley.
Reading window is provided with the secondary cylindrical bar of tape measure body bearing;Set on the secondary cylindrical bar of tape measure body bearing It is equipped with fastener.
Sliding block is connected with baffle on both ends.
A kind of measuring method of hole length measuring device, it includes:
The end of thread of definite value bar, be connected by step 1 with main cylindrical bar bottom;
Step 2, by the definite value bar bottom connected be put into tested blasthole;
Step 3, contact definite value bar bottom with blasthole bottom;Slide position on mobile main cylindrical bar, big gun is placed on by sliding block On the aperture of hole;
Step 4, reading the tape of tape measure, to follow mobile distance plus the length of definite value bar be blasthole length.
Beneficial effects of the present invention:
The present invention using cylindrical bar thread connection by the way of, can by couple the definite value cylindrical bar main cylinder pole length of increase or Secondary cylinder pole length, it is convenient to examine eminence blasthole length parameter or any blasthole length parameter, effectively examine each borehole to grow Parameter is spent, non-compliant borehole is adjusted in time, improves demolition effect, accelerates driving speed, is reduced pair The destruction of country rock;Overall structure of the present invention is simple to operation, has extensive promotional value;Solve the prior art to grow in borehole Mainly declared in degree measurement by worker oneself;Since drilling worker makes a false report hole length parameter, part blasthole length is often led to It is inaccurate to spend parameter, hole length is measured without simple and reliable measuring device;And then demolition effect is influenced, bring The destruction of country rock and serious out break, supporting expense improve;The error of hole length not only seriously affects applying for stone head Work speed, and the waste of human and material resources and financial resources is result in, reduce the technical problems such as drivage efficiency.
Brief description of the drawings:
Fig. 1 schematic structural views of the invention;
Fig. 2 is definite value rod structure schematic diagram of the present invention.
Embodiment:
A kind of hole length measuring device, it includes main cylindrical bar 14 and secondary cylindrical bar 15, main cylindrical bar 14 and secondary cylindrical bar 15 It is vertical to be fixedly mounted, twice sliding slot is in axial direction symmetrically arranged with main cylindrical bar 14,1 both ends of sliding block are stretched out through sliding slot Outside main cylindrical bar 14, through the sliding block 1 in main cylindrical bar 14 on be fixed with coaxial pulley 6, bottom is fixed with main cylindrical bar 14 Baffle 4,7 one end of spring are fixed on the other end on baffle 4 and are fixed on coaxial pulley 6, and the tape top of tape measure 8 is fixed on coaxially On pulley 6,8 body of tape measure is fixed on secondary 15 lower end inner wall of cylindrical bar.
The coaxial pulley 6 includes concentric shafts 21, and first pulley 23 and second pulley 22, spring 7 are fixed with concentric shafts One end be fixed on the other end on baffle 4 and be fixed in first pulley 23, the tape top of tape measure 8 is fixed on second pulley 22 On.
The bottom of main cylindrical bar 14 is connected through a screw thread with definite value bar 16, and 16 bottom of definite value bar is provided with mobile pulley 19. For the ease of the blasthole length that measurement blasthole length is too deep;Specially this definite value bar 16 is connected with the bottom of main cylindrical bar 14, is prolonged Long measurement range;In the case of blast hole depth is little, it is not necessary to connect definite value bar 16
The bottom of secondary cylindrical bar 15 is connected with the second definite value bar;In the field, sometimes blasthole position height is very high, it is necessary to extend Main cylindrical bar 14, is put into blasthole by secondary cylindrical bar 15 with facilitating.
The tape of tape measure 8 is connected by being fixed on after the fixed pulley 11 on main 14 top of cylindrical bar with second pulley 22;In order to Tape clot or distortion in main cylindrical bar and secondary cylindrical bar of tape measure 8 is avoided, influences measurement accuracy, the present invention is in main cylindrical bar 14 tops set two fixed pulleys, tape is moved through fixed pulley, avoid tape clot or distortion, influence measurement error.
Reading window 10 is provided with the secondary cylindrical bar 15 of 8 body bearing of tape measure;The secondary cylinder of 8 body bearing of tape measure Fastener 9 is provided with bar 15.When being moved into place measurement, fastener 9 is stuck in tape, places tape movement, to reduce measurement Error;Reading window 10 is provided with secondary cylindrical bar 15 to facilitate staff's reading.
Sliding block is connected with baffle 5 on 1 both ends;Baffle 5 is respectively articulated with 1 both ends of sliding block;Grown in blasthole diameter more than sliding block When spending, open baffle and extend its length, sliding block is fixed on blasthole aperture.
A kind of measuring method of hole length measuring device, it includes:
The end of thread of definite value bar 16, be connected by step 1 with main 14 bottom of cylindrical bar;
Step 2, by 16 bottom of definite value bar connected be put into tested blasthole;
Step 3, contact 16 bottom of definite value bar with blasthole bottom;1 position of sliding block on mobile main cylindrical bar 14, sliding block is placed On blasthole aperture;
Step 4, reading the tape of tape measure 8, to follow mobile distance plus the length of definite value bar 16 be blasthole length.
Definite value bar 16 could be provided as different definite value length;The definite value bar of different length is chosen according to blast hole depth to be made With.

Claims (8)

1. a kind of hole length measuring device, it includes main cylindrical bar(14)With secondary cylindrical bar(15), main cylindrical bar(14)And pair Cylindrical bar(15)It is vertical to be fixedly mounted, in main cylindrical bar(14)On be in axial direction symmetrically arranged with twice sliding slot, sliding block(1)Two Main cylindrical bar is stretched out in end through sliding slot(14)Outside, through main cylindrical bar(14)Interior sliding block(1)On be fixed with coaxial pulley(6), Main cylindrical bar(14)Interior bottom is fixed with baffle(4), spring(7)One end is fixed on baffle(4)The upper other end is fixed on coaxial cunning Wheel(6)On, tape measure(8)Tape top be fixed on coaxial pulley(6)On, tape measure(8)Body is fixed on secondary cylindrical bar(15)Under Hold on inner wall.
A kind of 2. hole length measuring device according to claim 1, it is characterised in that:The coaxial pulley(6)Including Concentric shafts(21), first pulley is fixed with concentric shafts(23)And second pulley(22), spring(7)One end be fixed on baffle (4)The upper other end is fixed on first pulley(23)On, tape measure(8)Tape top be fixed on second pulley(22)On.
A kind of 3. hole length measuring device according to claim 1, it is characterised in that:Main cylindrical bar(14)Bottom with Definite value bar(16)It is connected through a screw thread, definite value bar(16)Bottom is provided with mobile pulley(19).
A kind of 4. hole length measuring device according to claim 1, it is characterised in that:Secondary cylindrical bar(15)Bottom with Second definite value bar connects.
A kind of 5. hole length measuring device according to claim 1, it is characterised in that:Tape measure(8)Tape pass through it is solid It is scheduled on main cylindrical bar(14)The fixed pulley on top(11)Afterwards with second pulley(22)Connection.
A kind of 6. hole length measuring device according to claim 1, it is characterised in that:Tape measure(8)Body bearing Secondary cylindrical bar(15)On be provided with reading window(10);Ruler(8)The secondary cylindrical bar of body bearing(15)On be provided with fastener (9).
A kind of 7. hole length measuring device according to claim 1, it is characterised in that:Sliding block(1)It is connected with both ends Baffle(5).
8. a kind of measuring method of hole length measuring device as claimed in claim 1, it includes:
Step 1, by definite value bar(16)The end of thread and main cylindrical bar(14)Bottom connects;
Step 2, the definite value bar that will be connected(16)Bottom is put into tested blasthole;
Step 3, by definite value bar(16)Bottom is contacted with blasthole bottom;Mobile main cylindrical bar(14)On sliding block(1)Position, by cunning Block is placed on blasthole aperture;
Step 4, read tape measure(8)Tape follow mobile distance to add definite value bar(16)Length be blasthole length.
CN201711168168.3A 2017-11-21 2017-11-21 Blasthole length measuring device and method Active CN108007308B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711168168.3A CN108007308B (en) 2017-11-21 2017-11-21 Blasthole length measuring device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711168168.3A CN108007308B (en) 2017-11-21 2017-11-21 Blasthole length measuring device and method

Publications (2)

Publication Number Publication Date
CN108007308A true CN108007308A (en) 2018-05-08
CN108007308B CN108007308B (en) 2024-01-23

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239464A2 (en) * 1986-03-13 1987-09-30 Schlumberger Limited Seismic and logging tool and method
CN101324415A (en) * 2007-06-15 2008-12-17 黄建龙 Tools and method for measuring thickness of drill pile hole bottom grain stillage
CN102901431A (en) * 2012-10-30 2013-01-30 武汉大学 Drilling quality detection device and detection method of inclined blast hole
CN104007464A (en) * 2014-06-13 2014-08-27 山东大学 TSP blast hole measuring and charging integrated device and method
CN204009088U (en) * 2014-06-13 2014-12-10 山东大学 A kind of TSP big gun hole measures and powder charge integrated apparatus
CN204831145U (en) * 2015-08-28 2015-12-02 中铁隧道股份有限公司 Porthole verifying ware
CN204881471U (en) * 2015-08-18 2015-12-16 国家电网公司 Cubical switchboard handcart male contact degree of depth measuring tool
CN106643402A (en) * 2016-09-22 2017-05-10 安徽中金立华矿业工程有限公司 Auxiliary device for blast hole measurement and using method thereof
CN206504694U (en) * 2017-03-01 2017-09-19 福建省新华都工程有限责任公司 It is a kind of to implement the multi-functional laryard that blasthole is measured and explosive is lifted

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239464A2 (en) * 1986-03-13 1987-09-30 Schlumberger Limited Seismic and logging tool and method
CN101324415A (en) * 2007-06-15 2008-12-17 黄建龙 Tools and method for measuring thickness of drill pile hole bottom grain stillage
CN102901431A (en) * 2012-10-30 2013-01-30 武汉大学 Drilling quality detection device and detection method of inclined blast hole
CN104007464A (en) * 2014-06-13 2014-08-27 山东大学 TSP blast hole measuring and charging integrated device and method
CN204009088U (en) * 2014-06-13 2014-12-10 山东大学 A kind of TSP big gun hole measures and powder charge integrated apparatus
CN204881471U (en) * 2015-08-18 2015-12-16 国家电网公司 Cubical switchboard handcart male contact degree of depth measuring tool
CN204831145U (en) * 2015-08-28 2015-12-02 中铁隧道股份有限公司 Porthole verifying ware
CN106643402A (en) * 2016-09-22 2017-05-10 安徽中金立华矿业工程有限公司 Auxiliary device for blast hole measurement and using method thereof
CN206504694U (en) * 2017-03-01 2017-09-19 福建省新华都工程有限责任公司 It is a kind of to implement the multi-functional laryard that blasthole is measured and explosive is lifted

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