CN107246830B - Convenient big gun hole blocking device - Google Patents
Convenient big gun hole blocking device Download PDFInfo
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- CN107246830B CN107246830B CN201710627920.XA CN201710627920A CN107246830B CN 107246830 B CN107246830 B CN 107246830B CN 201710627920 A CN201710627920 A CN 201710627920A CN 107246830 B CN107246830 B CN 107246830B
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- sleeve
- dowel bar
- tray
- disc
- plugging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention belongs to the technical field of blasting charge, and particularly relates to a convenient blast hole blocking device, which mainly comprises a handle, a bottom cover, a sleeve, a threaded rod, a buckle, a dowel bar base, a dowel bar, a disc and a tray, and is characterized in that: the method comprises the steps of drawing a tray out of a sleeve, putting the tray on a blast hole, fixing a blast wire on the tray, putting a plugging material on the tray according to the design length, fixing the sleeve, rotating a handle, pushing a dowel bar base to advance under the rotating action of a threaded rod, driving the disc to advance, pushing the plugging material to enter the blast hole, reversely rotating the handle, backing the disc into the sleeve, pushing the tray into the disc, and completing the blast hole plugging. The invention has simple structure and convenient use, improves the stemming plugging operation precision, improves the plugging quality, reduces the manual labor intensity, simultaneously improves the plugging efficiency, improves the blasting effect, improves the utilization rate of the explosive and reduces the construction cost.
Description
Technical Field
The invention belongs to the technical field of blasting charge, and particularly relates to a convenient blast hole blocking device.
Background
In the process of underground engineering construction and coal mine tunnel blasting tunneling, the current method is still relatively common for hard rock, and one of the most important factors affecting the action effect of the drilling explosion method is blast hole blocking. The quality of blast hole blocking directly influences the rock breaking effect, and in order to reduce the temperature and pressure of the explosion gas escaping, the thermal efficiency of the explosive can be improved. In order to ensure that the explosion energy of the explosive is used for breaking rock as much as possible, the explosion energy is prevented and the energy is wasted, the blast holes are required to be blocked, the blocking length is designed according to the explosion site, the blocking section is too long, and the blocking end is blocked in place or is not compact, so that the explosion energy of the explosive is wasted.
The existing blast hole blocking method used in the actual construction site is also artificial wooden stemming, the method has the defects of high artificial labor intensity, poor stemming blocking randomness, low operation precision and difficulty in ensuring the blocking quality of the blast hole, not only reduces the blasting construction progress, but also influences the blasting rock breaking effect, and increases the construction cost.
Disclosure of Invention
The invention aims to solve the defects of low operation precision, poor blocking quality, high manual labor intensity and the like of the conventional blast hole blocking method and provides a convenient blast hole blocking device.
The invention is realized by the following technical scheme:
the utility model provides a convenient big gun hole blocking device, mainly comprises handle, bottom, sleeve pipe, threaded rod, buckle, dowel steel base, dowel steel, disc, tray, its characterized in that: the handle is an integer with the bottom, the sleeve pipe embeds the recess, the centre bore is left to the tip, dowel steel base, dowel steel, disc are an integer, dowel steel base, there is the through-hole axial, and there is built-in screw thread on the through-hole, there is the arch all around, place in sleeve pipe recess department, and protruding and recess contact surface has the ball, reduce dowel steel base and sheathed tube frictional force, dowel steel one end and dowel steel base integrated into one piece, the other end passes through bolted connection with the disc with the bottom, threaded rod and bottom integrated into one piece pass sleeve pipe centre bore in proper order, dowel steel base through-hole, and the threaded rod anterior segment is equipped with the buckle with the back end, the tray is located the sleeve pipe bottom, and there is the ball below, and the top has the scale, imbeds in sleeve pipe's lower groove, is equipped with protruding convex rectangular in being close to dowel steel base one end, prevents that the tray from sliding out the sleeve pipe, during the use, draws out the tray from the sleeve pipe, on the big gun wire, draws big gun hole on the tray, according to the scale with design shutoff section material on the tray, fixed sleeve pipe, rotates the handle, drives the effect under the drive the dowel steel, advances the sleeve pipe into the reverse direction, and then drives the plug rod, advances the disc into the plug hole, and then drives the plug rod to rotate, advances the plug rod to the back.
The grooves in the sleeve are symmetrically distributed in the upper, lower, left and right directions of the sleeve, and the length of the grooves is slightly smaller than that of the sleeve.
The protrusions around the dowel bar base are symmetrically distributed in the four directions of up, down, left and right, are provided with micro grooves, are provided with balls, and are placed in grooves in the sleeve.
The disc can be detached through bolts, and for the blast holes with different diameters, discs with different sizes can be selected, and the disc material is similar to stemming material and can be rubber, wood and the like.
The tray is made of light high-strength plastic and can meet the requirements of deformation and size.
The blast hole blocking device is used for blocking the blast holes, and comprises the following steps:
1) Drilling holes and charging heads according to a design drawing;
2) The device tray is pulled out from the sleeve and is put on the blast hole, and the blast wire is led out of the blast hole and is fixed on the tray;
3) Placing the designed plugging section material on a tray according to scales;
4) The sleeve is fixed, the handle is rotated to drive the threaded rod to rotate, the dowel bar base is pushed to advance under the action of the threaded rod, and then the disc is driven to advance to push the plugging material to enter the blast hole;
5) The handle is reversely rotated, the disc is retracted into the sleeve, the tray is pushed into the sleeve, and the blast hole plugging is completed;
6) Repeating the steps 2, 3, 4 and 5 until the blast hole is blocked.
The beneficial effects of the invention are as follows:
the invention has the advantages of simple structure, practicality and convenience, improves the stemming plugging operation precision, improves the plugging quality, reduces the labor intensity, simultaneously improves the plugging efficiency, improves the design length of the plugged section, effectively prolongs the action time of explosive gas in the blast hole, improves the blasting effect, improves the utilization rate of explosive and reduces the construction cost.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 isbase:Sub>A cross-sectional view of fig. 1A-base:Sub>A.
Fig. 4 is a cross-sectional view of fig. 1B-B.
Fig. 5 is a side view of the present invention.
In the figure: 1-handle, 2-bottom cover, 3-sleeve, 4-dowel, 5-threaded rod, 6-disc, 7-buckle, 8-dowel base, 9-ball, 10-tray, 11-bolt, 12-groove, 13-protrusion
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, which are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, a convenient blast hole blocking device mainly comprises a handle 1, a bottom cover 2, a sleeve 3, a threaded rod 5, a buckle 7, a dowel bar base 8, a dowel bar 4 and a disc 6, and a tray 10, and is characterized in that: handle 1 and bottom 2 are an integer, sleeve 3 embeds recess 12, and the tip leaves the centre bore, dowel bar base 8, dowel bar 4, disc 6 are an integer, dowel bar base 8 axial has the through-hole, and has built-in screw thread on the through-hole, have protruding 13 all around, place in sleeve recess 12 department, and protruding and recess contact surface has ball 9, reduce dowel bar base 8 and sleeve 3's frictional force, dowel bar 4 one end and dowel bar base 8 integrally formed, the other end passes through bolt 11 with disc 6 to be connected, threaded rod 5 and bottom 2 integrally formed pass sleeve 3 centre bore in proper order, dowel bar base 8 through-hole, and threaded rod 5 anterior segment is equipped with buckle 7 with the back end, pallet 10 is located sleeve 3 bottom, and the below has ball 9, and the top has the scale, and the embedding is in sleeve's lower groove department, is being close to dowel bar base 8 one end and is equipped with the buckle, prevents pallet 10 roll-off sleeve, during the use, draws pallet 10 from sleeve 3 in, draws out on the big gun wire leading-out the hole, fixes 10 on the big gun wire leading-out the hole, and is put into the handle 10 at 10, drives the plug material in the sleeve 5 in the design of the back of the sleeve 5, and is rotated by the back to the disc 1, drives the plug 5, and is moved back to the sleeve 1, and is moved back to the plug is done.
The grooves 12 in the sleeve 3 are symmetrically distributed in the four directions of the sleeve up and down, left and right, and the length is slightly smaller than the length of the sleeve.
The protrusions around the dowel bar base 8 are symmetrically distributed in the four directions of up, down, left and right, and are provided with balls 9 which are placed in the grooves in the sleeve.
The disc 6 can be detached through the bolts 11, and for the blast holes with different diameters, discs with different sizes can be selected, and the disc material is similar to stemming material and can be rubber, wood and the like.
The tray 10 is a lightweight, high strength plastic that can meet deformation and dimensional requirements.
The blast hole blocking device is used for blocking the blast holes, and comprises the following steps:
1) Drilling holes and charging heads according to a design drawing;
2) The device tray 10 is pulled out from the sleeve 3 and is put on the blast hole, and the blast wire is led out of the blast hole and is fixed on the tray;
3) Placing the designed plugging section material on the tray 10 according to scales;
4) The sleeve 3 is fixed, the handle 1 is rotated to drive the threaded rod 5 to rotate, the dowel bar base 8 is pushed to advance under the action of the threaded rod 5, the disc 6 is further driven to advance, and the plugging material is pushed to enter the blast hole;
5) The handle 1 is reversely rotated, the disc 6 is retracted into the sleeve 3, the tray 10 is pushed into the sleeve 3, and the blast hole plugging is completed;
6) Repeating the steps 2, 3, 4 and 5 until the blast hole is blocked.
The beneficial effects of the invention are as follows:
the invention has the advantages of simple structure, practicality and convenience, improves the stemming plugging operation precision, improves the plugging quality, reduces the labor intensity, simultaneously improves the plugging efficiency, improves the design length of the plugged section, effectively prolongs the action time of explosive gas in the blast hole, improves the blasting effect, improves the utilization rate of explosive and reduces the construction cost.
Claims (4)
1. The utility model provides a convenient big gun hole blocking device, mainly comprises handle, bottom, sleeve pipe, threaded rod, buckle, dowel steel base, dowel steel, disc, tray, its characterized in that: the handle is integrated with the bottom cover, a central hole is reserved at the end part of the sleeve, the dowel bar base, the dowel bar and the disc are integrated, the dowel bar base is axially provided with a through hole, the through hole is provided with built-in threads, protrusions are arranged on the periphery of the dowel bar base, the dowel bar base is placed at the sleeve groove, balls are arranged on the contact surface of the protrusions and the grooves, friction force between the dowel bar base and the sleeve is reduced, one end of the dowel bar is integrally formed with the dowel bar base, the other end of the dowel bar is connected with the disc through bolts, the threaded rod is integrally formed with the bottom cover, sequentially penetrates through the central hole of the sleeve, the through hole of the dowel bar base, the front section and the rear section of the threaded rod are provided with buckles, the tray is positioned at the bottom of the sleeve, the lower part of the dowel bar is provided with balls, scales are arranged above the dowel bar base, the dowel bar is embedded in the lower groove of the sleeve, a protruding convex strip is arranged at one end close to the dowel bar base, the dowel bar is prevented from sliding out of the sleeve, in use, a gun wire is led out of the gun hole on the tray, a sealing section material is placed on the tray according to the scales, the design, the sleeve is fixed, the sleeve is rotated, the handle is pushed to drive the handle to drive the threaded rod to advance into the sleeve, the dowel bar is pushed into the sleeve to rotate, the disc is pushed into the sleeve to drive the dowel bar to rotate, and then the dowel bar is pushed into the disc to be pushed into the sleeve to be plugged, and rotated, and plugged;
the grooves in the sleeve are symmetrically distributed in the upper, lower, left and right directions of the sleeve, and the length of the grooves is slightly smaller than that of the sleeve;
the protrusions around the dowel bar base are symmetrically distributed in the four directions of up, down, left and right, are provided with micro grooves, are provided with balls, and are placed in grooves in the sleeve.
2. The portable blasthole plugging device of claim 1, wherein: the round disc is detached through bolts, round discs with different sizes are selected for the blast holes with different diameters, and the round disc is made of rubber or wood similar to stemming materials.
3. The portable blasthole plugging device of claim 1, wherein: the tray is made of light high-strength plastic and meets the requirements of deformation and size.
4. The portable blasthole plugging apparatus of claim 1, for blasthole plugging using said apparatus, comprising the steps of:
1) Drilling holes and charging heads according to a design drawing;
2) The device tray is pulled out from the sleeve and is put on the blast hole, and the blast wire is led out of the blast hole and is fixed on the tray;
3) Placing the designed plugging section material on a tray according to scales;
4) The sleeve is fixed, the handle is rotated to drive the threaded rod to rotate, the dowel bar base is pushed to advance under the action of the threaded rod, and then the disc is driven to advance to push the plugging material to enter the blast hole;
5) The handle is reversely rotated, the disc is retracted into the sleeve, the tray is pushed into the sleeve, and the blast hole plugging is completed;
6) Repeating the steps 2, 3, 4 and 5 until the blast hole is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627920.XA CN107246830B (en) | 2017-07-28 | 2017-07-28 | Convenient big gun hole blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627920.XA CN107246830B (en) | 2017-07-28 | 2017-07-28 | Convenient big gun hole blocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107246830A CN107246830A (en) | 2017-10-13 |
| CN107246830B true CN107246830B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710627920.XA Active CN107246830B (en) | 2017-07-28 | 2017-07-28 | Convenient big gun hole blocking device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990797B (en) * | 2017-12-08 | 2019-10-01 | 何洪彬 | A kind of mining embrasure plugging device |
| CN107976129B (en) * | 2017-12-09 | 2020-01-24 | 内蒙古乌海市万源露天煤业有限责任公司 | Fixing device is filled to colliery open blasting big gun hole |
| CN112066831B (en) * | 2020-09-11 | 2021-10-08 | 中国矿业大学 | Blast hole plugging device, plugging method and method for detecting pre-splitting blasting roof cutting effect |
| CN112664140B (en) * | 2020-12-25 | 2023-05-23 | 辽宁科技大学 | Blast hole water burst antifreezing method for highland alpine region |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374239A (en) * | 2014-09-19 | 2015-02-25 | 葛洲坝易普力股份有限公司 | Blast hole explosion blocking method |
| CN205245914U (en) * | 2015-12-24 | 2016-05-18 | 山西大同大学 | Draw quick shutoff perforation plugging ware of expanding |
| WO2017105279A1 (en) * | 2015-12-15 | 2017-06-22 | ЧЕРНЫШЕВ, Владимир Борисович | Stemming plug |
| CN207180506U (en) * | 2017-07-28 | 2018-04-03 | 安徽理工大学 | A kind of convenient multiple-row blasting device |
-
2017
- 2017-07-28 CN CN201710627920.XA patent/CN107246830B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374239A (en) * | 2014-09-19 | 2015-02-25 | 葛洲坝易普力股份有限公司 | Blast hole explosion blocking method |
| WO2017105279A1 (en) * | 2015-12-15 | 2017-06-22 | ЧЕРНЫШЕВ, Владимир Борисович | Stemming plug |
| CN205245914U (en) * | 2015-12-24 | 2016-05-18 | 山西大同大学 | Draw quick shutoff perforation plugging ware of expanding |
| CN207180506U (en) * | 2017-07-28 | 2018-04-03 | 安徽理工大学 | A kind of convenient multiple-row blasting device |
Non-Patent Citations (1)
| Title |
|---|
| 李显寅 ; 刘恺德 ; 蒲传金 ; .炮孔爆破堵塞研究现状及存在的问题(二).化工矿物与加工.2010,(09),全文. * |
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| CN107246830A (en) | 2017-10-13 |
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