CN108007308B - Blasthole length measuring device and method - Google Patents
Blasthole length measuring device and method Download PDFInfo
- Publication number
- CN108007308B CN108007308B CN201711168168.3A CN201711168168A CN108007308B CN 108007308 B CN108007308 B CN 108007308B CN 201711168168 A CN201711168168 A CN 201711168168A CN 108007308 B CN108007308 B CN 108007308B
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- China
- Prior art keywords
- fixed
- cylindrical rod
- pulley
- rod
- cylinder pole
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 239000011435 rock Substances 0.000 abstract description 12
- 238000005422 blasting Methods 0.000 abstract description 8
- 230000005641 tunneling Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
Abstract
The invention discloses a blast hole length measuring device and a measuring method, wherein a main cylindrical rod (14) and an auxiliary cylindrical rod (15) are vertically and fixedly arranged, two sliding grooves are symmetrically arranged on the main cylindrical rod (14) along the axial direction, two ends of a sliding block (1) penetrate through the sliding grooves and extend out of the main cylindrical rod (14), a coaxial pulley (6) is fixed on the sliding block (1) penetrating through the main cylindrical rod (14), a baffle plate (4) is fixed at the inner bottom end of the main cylindrical rod (14), one end of a spring (7) is fixed on the baffle plate (4) while the other end is fixed on the coaxial pulley (6), the top end of a tape (8) is fixed on the coaxial pulley (6), and a tape (8) body is fixed on the inner wall of the lower end of the auxiliary cylindrical rod (15); the problems that the blasting hole length parameter is inaccurate, the blasting effect is affected, surrounding rock is damaged and serious super-undermining is caused, and the supporting cost is increased are solved; the technical problems of reducing tunneling efficiency and the like due to waste of manpower and material resources are caused.
Description
Technical Field
The invention belongs to a blasthole length detection technology, and particularly relates to a blasthole length measurement device and a measurement method.
Background
In order to meet the national demand for coal yield, coal mine roadway development is greatly carried out in the coal market, so that rock development roadways are increased year by year. At present, the tunneling work of the rock tunnel generally adopts blasting tunneling, and the tunneling speed is obviously accelerated. When blasting operation is implemented, along with the increase of the depth of the blasthole, after the depth reaches a certain level, the clamp manufacturing of rock on the drill rod of the rock drill is increased, the drilling speed is obviously reduced, and the blasthole length is declared by workers in the prior art; often, the drilling workers virtually report the length parameters of the blastholes, so that the length parameters of part of blastholes are often inaccurate, the blasting effect is further affected, surrounding rock damage and serious super-undermining are caused, and the supporting cost is increased; the error of the length of the blast hole not only seriously affects the construction speed of the rock tunnel, but also causes the waste of manpower, material resources and financial resources, and reduces the tunneling efficiency.
The invention comprises the following steps:
the invention aims to solve the technical problems: the utility model provides a measuring device and a measuring method for the length of a blasthole, which are used for solving the problem that in the prior art, the blasthole length is mainly declared by workers themselves; because the driller virtually reports the length parameters of the blastholes, partial blasthole length parameters are often inaccurate, and a simple and reliable measuring device does not measure the length of the blastholes; further affecting the blasting effect, bringing about the damage of surrounding rock and serious super-undermining, and improving the supporting cost; the error of the length of the blast hole not only seriously affects the construction speed of the rock tunnel, but also causes the waste of manpower, material resources and financial resources, and reduces the technical problems of tunneling efficiency and the like.
The technical scheme of the invention is as follows:
the utility model provides a porthole length measurement device, it includes main cylinder pole and vice cylinder pole, main cylinder pole and vice cylinder pole vertical fixation are provided with twice spout along axial direction symmetry on main cylinder pole, outside the slider both ends passed the spout and stretched out main cylinder pole, be fixed with coaxial pulley on passing the slider in the main cylinder pole, bottom mounting has first baffle in the main cylinder pole, spring one end is fixed on first baffle other end and is fixed on coaxial pulley, the tape top of tape measure is fixed on coaxial pulley, the tape measure body is fixed on vice cylinder pole lower extreme inner wall.
The coaxial pulley comprises a concentric shaft, a first pulley and a second pulley are fixed on the concentric shaft, one end of a spring is fixed on the first baffle, the other end of the spring is fixed on the first pulley, and the top end of a tape of the tape measure is fixed on the second pulley.
The bottom of the main cylinder rod is connected with the fixed value rod through threads, and the bottom of the fixed value rod is provided with a movable pulley.
The bottom end of the auxiliary cylindrical rod is connected with a second constant value rod.
The band of the tape is connected with the second pulley after being fixed on the fixed pulley at the top end of the main cylinder rod.
A reading window is arranged on the auxiliary cylindrical rod at the fixed position of the tape measure body; the auxiliary cylinder rod at the fixed part of the tape body is provided with a clamping piece.
The two ends of the sliding block are connected with second baffle plates.
The measuring method of the stemming length measuring device comprises the following steps:
step 1, connecting a threaded end of a constant value rod with the bottom end of a main cylindrical rod;
step 2, placing the bottom end of the connected constant value rod into a measured blast hole;
step 3, the bottom end of the fixed value rod is contacted with the bottom of the blast hole; moving the position of a sliding block on the main cylindrical rod, and placing the sliding block on the hole opening of the blast hole;
and 4, reading the distance of the tape measure to follow the movement and adding the length of the fixed value rod to obtain the length of the blast hole.
The invention has the beneficial effects that:
according to the invention, a cylindrical rod threaded connection mode is adopted, the length of the main cylindrical rod or the length of the auxiliary cylindrical rod can be increased by connecting a fixed-value cylindrical rod, so that the length parameters of high blast holes or any length parameters of blast holes can be conveniently checked, the length parameters of all blast holes can be effectively checked, the blast holes which do not meet the standard can be timely adjusted, the blasting effect is improved, the tunneling speed is increased, and the damage to surrounding rock is reduced; the invention has simple integral structure and easy operation, and has wide popularization value; the problem that in the prior art, the self-declaration of a worker is mainly realized in the measurement of the length of a blasthole is solved; because the driller virtually reports the length parameters of the blastholes, partial blasthole length parameters are often inaccurate, and a simple and reliable measuring device does not measure the length of the blastholes; further affecting the blasting effect, bringing about the damage of surrounding rock and serious super-undermining, and improving the supporting cost; the error of the length of the blast hole not only seriously affects the construction speed of the rock tunnel, but also causes the waste of manpower, material resources and financial resources, and reduces the technical problems of tunneling efficiency and the like.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the constant value rod of the present invention.
The specific embodiment is as follows:
the utility model provides a porthole length measuring device, it includes main cylinder pole 14 and vice cylinder pole 15, main cylinder pole 14 and vice cylinder pole 15 vertical fixation are provided with twice spout along axial direction symmetry on main cylinder pole 14, outside the slider 1 both ends passed the spout and stretched out main cylinder pole 14, be fixed with coaxial pulley 6 on passing slider 1 in the main cylinder pole 14, bottom mounting has first baffle 4 in the main cylinder pole 14, spring 7 one end is fixed on first baffle 4 upper end is fixed on coaxial pulley 6, tape top of tape measure 8 is fixed on coaxial pulley 6, tape measure 8 body is fixed on vice cylinder pole 15 lower extreme inner wall.
The coaxial pulley 6 comprises a coaxial shaft 21, a first pulley 23 and a second pulley 22 are fixed on the coaxial shaft, one end of the spring 7 is fixed on the first baffle 4, the other end of the spring is fixed on the first pulley 23, and the top end of the tape measure 8 is fixed on the second pulley 22.
The bottom of the main cylinder rod 14 is connected with a fixed value rod 16 through threads, and a movable pulley 19 is arranged at the bottom of the fixed value rod 16. To facilitate measurement of a borehole length that is too deep; the fixed value rod 16 is connected with the bottom end of the main cylindrical rod 14, so that the measuring range is prolonged; when the depth of the blast hole is not large, the constant value rod 16 does not need to be connected.
The bottom end of the auxiliary cylindrical rod 15 is connected with a second constant value rod; in the field, sometimes the blast hole is high in height, and the secondary cylindrical rod 15 needs to be lengthened to facilitate the placement of the primary cylindrical rod 14 into the blast hole.
The tape of the tape measure 8 is connected with the second pulley 22 after being provided with the fixed pulley 11 fixed at the top end of the main cylindrical rod 14; in order to prevent the tape of the tape measure 8 from rolling or warping in the main cylinder rod and the auxiliary cylinder rod and affecting the measurement accuracy, the invention arranges two fixed pulleys at the top end of the main cylinder rod 14, so that the tape moves through the fixed pulleys and the tape is prevented from rolling or warping and affecting the measurement error.
A reading window 10 is arranged on a secondary cylindrical rod 15 at the fixed position of the tape measure 8 body; the auxiliary cylindrical rod 15 at the fixed position of the tape 8 body is provided with a clamping piece 9. When the measuring tool moves to the position for measuring, the clamping piece 9 is clamped on the tape, and the tape is placed to move so as to reduce the measuring error; a reading window 10 is provided on the secondary cylindrical rod 15 to facilitate staff reading.
The two ends of the sliding block 1 are connected with a second baffle 5; the second baffle 5 is respectively hinged with the two ends of the sliding block 1; when the diameter of the blast hole is larger than the length of the sliding block, the second baffle plate 5 is opened to prolong the length of the sliding block, so that the sliding block can be fixed on the orifice of the blast hole.
The measuring method of the stemming length measuring device comprises the following steps:
step 1, connecting the threaded end of a constant value rod 16 with the bottom end of a main cylindrical rod 14;
step 2, placing the bottom end of the connected fixed value rod 16 into a measured blast hole;
step 3, the bottom end of the constant value rod 16 is contacted with the bottom of the blast hole; moving the position of the sliding block 1 on the main cylindrical rod 14, and placing the sliding block on the hole opening of the blast hole;
and 4, reading the distance of the tape following movement of the tape 8 and adding the length of the fixed value rod 16 to obtain the length of the blast hole.
The constant value bar 16 may be set to different constant value lengths; and selecting constant value rods with different lengths according to the depth of the blast hole for use.
Claims (3)
1. The utility model provides a porthole length measuring device, it includes main cylinder pole (14) and vice cylinder pole (15), main cylinder pole (14) and vice cylinder pole (15) perpendicular fixed mounting, be provided with two spouts along axial direction symmetry on main cylinder pole (14), slider (1) both ends pass outside spout stretch out main cylinder pole (14), be fixed with coaxial pulley (6) on slider (1) in passing main cylinder pole (14), main cylinder pole (14) inner bottom is fixed with first baffle (4), tape measure (8) body is fixed on vice cylinder pole (15) lower extreme inner wall; the coaxial pulley (6) comprises a coaxial shaft (21), a first pulley (23) and a second pulley (22) are fixed on the coaxial shaft, one end of a spring (7) is fixed on the first baffle (4), the other end of the spring is fixed on the first pulley (23), and the top end of a tape of the tape measure (8) is fixed on the second pulley (22); the bottom end of the main cylindrical rod (14) is connected with the fixed value rod (16) through threads, and the bottom end of the fixed value rod (16) is provided with a movable pulley (19); the tape of the tape measure (8) is connected with the second pulley (22) after being provided with the fixed pulley (11) fixed at the top end of the main cylindrical rod (14); a reading window (10) is arranged on a secondary cylindrical rod (15) at the fixed position of the tape measure (8) body; a clamping piece (9) is arranged on the auxiliary cylindrical rod (15) at the fixed position of the ruler (8) body; two ends of the sliding block (1) are connected with second baffle plates (5).
2. The borehole length measurement apparatus of claim 1, wherein: the bottom end of the auxiliary cylindrical rod (15) is connected with a second constant value rod.
3. A method of measuring a borehole length measuring device as recited in claim 1, comprising:
step 1, connecting a threaded end of a constant value rod (16) with the bottom end of a main cylindrical rod (14);
step 2, placing the bottom end of the connected constant value rod (16) into a measured blast hole;
step 3, the bottom end of the constant value rod (16) is contacted with the bottom of the blast hole; moving the position of a sliding block (1) on a main cylindrical rod (14) and placing the sliding block on a blast hole orifice;
and 4, adding the length of the fixed value rod (16) to the distance of the tape following movement of the reading tape (8) to obtain the length of the blast hole.
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 CN108007308A (en) | 2018-05-08 |
| CN108007308B true CN108007308B (en) | 2024-01-23 |
Family
ID=62052961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711168168.3A Active CN108007308B (en) | 2017-11-21 | 2017-11-21 | Blasthole length measuring device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108007308B (en) |
Citations (9)
| 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 |
-
2017
- 2017-11-21 CN CN201711168168.3A patent/CN108007308B/en active Active
Patent Citations (9)
| 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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| Publication number | Publication date |
|---|---|
| CN108007308A (en) | 2018-05-08 |
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