CN111649633B - Device with functions of blast hole measurement and hole blocking and application method thereof - Google Patents
Device with functions of blast hole measurement and hole blocking and application method thereof Download PDFInfo
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- CN111649633B CN111649633B CN202010559678.9A CN202010559678A CN111649633B CN 111649633 B CN111649633 B CN 111649633B CN 202010559678 A CN202010559678 A CN 202010559678A CN 111649633 B CN111649633 B CN 111649633B
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- hole
- limiting barrel
- plate body
- flexible scale
- metal plate
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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
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a device with functions of measuring blast holes and blocking holes and an application method thereof, wherein the device comprises a limiting barrel, a flexible scale, a touch switch, a simple power supply, a wire and an indicator lamp; the bottom of the limiting barrel is uniformly distributed with touch switches along the circumferential direction of the barrel wall, the outer wall of the limiting barrel is provided with springs, and the upper end of the limiting barrel is connected with a flexible scale corresponding to the axial center line. And a wire is fixed on the flexible scale, the upper end of the wire corresponding to the flexible scale is connected with an indicator lamp, a simple power supply is arranged in the limiting barrel, and the touch switch and the indicator lamp are connected into a loop through the wire. When the limiting barrel is lowered through the flexible scale, the metal plate body is restrained by the wall of the blast hole to be in an upper inclined state and is extruded by the spring, the touch switch is opened, when the limiting barrel is lowered to the bottom of the blast hole, the metal plate body is separated from the restraint and immediately falls under the reset thrust of the spring, the touch switch closes the conduction loop, the indicator light emits light, the flexible scale is fixed after the scale value of the position of the flexible scale corresponding to the orifice is recorded, and the limiting barrel is suspended at the bottom of the blast hole to block the blast hole.
Description
Technical Field
The invention belongs to the field of mining blasting, and particularly relates to a device with functions of blast hole measurement and hole blocking and an application method thereof.
Background
The hole measurement and the hole blocking are two working procedures which must be implemented before blasting, and the hole measurement and the hole blocking of the mine are two separated working steps at present, namely, the hole measurement is firstly carried out, and then the hole blocking is carried out.
The existing hole measuring mode of mines mostly adopts a mode that a rope is used for suspending hole measuring objects such as water bottles or wood sticks, the position of the hole measuring object is estimated through continuously lowering and pulling the rope, when the hole measuring object reaches the hole bottom, the position of the hole bottom is determined through sensing whether the hole bottom is blocked by the hole measuring object in the process of pulling the rope, then the rope is pulled by force, the hole measuring object fixed below falls off and is recovered, and after the rope is recovered, the hole depth is obtained through measuring the length of the lowered rope. The hole measuring mode is original, the operation is inconvenient, and when the pendant is lowered to the hole bottom, the position of the pendant can be judged only by continuously lifting the rope, so that a worker can not accurately sense the position of the pendant and whether the position of the pendant reaches the hole bottom or not during operation, and errors exist in measurement; meanwhile, after the pendant reaches the bottom of the hole, the rope can be pulled by pulling the rope forcefully, so that the rope is pulled apart, and measurement errors are caused.
The hole plugging mode that the mine is commonly used at present is similar with the hole measuring mode, adopts the mode that iron wire and hole plugging thing (like discus, cement cake) link to each other more, descends hole plugging thing through the iron wire, judges the position of hole plugging thing through constantly lifting the iron wire, when hole plugging thing reachd the hole bottom, can feel obvious resistance when the workman lifts the iron wire, then makes hole plugging thing get back to downthehole through constantly rocking the iron wire, and the workman is fixed the iron wire in drill way department, reaches the purpose of hole plugging. According to the hole blocking mode, the iron wires are used for hanging and then descending the hole blocking objects, whether the hole blocking objects reach the bottom of the hole is judged by continuously lifting the iron wires, the method is time-consuming, and whether the hole blocking objects reach the bottom of the hole can not be accurately perceived; meanwhile, after the hole plugging object reaches the bottom of the hole, the hole plugging object needs to be retracted into the hole in a lifting mode, so that workers are required to continuously shake the iron wires, shake the hole plugging object and then lift the hole plugging object into the hole, the existing mode is low in efficiency, the hole plugging object cannot be guaranteed to be in a horizontal state in the hole, and the hole plugging effect is poor, so that the blasting effect is influenced.
Disclosure of Invention
The invention aims to provide a device capable of measuring the depth and the position of the hole bottom of a blast hole at one time and simultaneously plugging the hole bottom to lay a foundation for next charging and an application method thereof, and the blasting effect is ensured.
The device with the functions of measuring and plugging the blast holes comprises a limiting barrel, a flexible scale, a touch switch, a simple power supply, a wire and an indicator lamp; the limiting barrel is a hollow barrel with an opening at the upper end, which is made of insulating materials, the diameter of a bottom plate is larger than that of the coaming, a plurality of touch switches are uniformly distributed along the circumferential direction of the limiting barrel, each touch switch comprises a metal plate body and metal contact blocks, one end of the metal plate body is rotatably hinged on the bottom plate in the limiting barrel, the other end of the metal plate body penetrates through the coaming, when the metal plate body is in a horizontal state, the corresponding position of the outer end of the metal plate body extends out of a blast hole, rectangular grooves are formed in the coaming, corresponding to the penetrating position of the metal plate body, of the metal contact blocks are arranged on the bottom plate outside the barrel, and springs are fixed on the outer wall of the coaming of the limiting barrel, corresponding to the upper parts of the extending sections of the metal plate body; the flexible scale is made of insulating materials, scales for marking the length are arranged on the flexible scale, a round-trip wire is fixed on the flexible scale along the length direction, and an indicator lamp is connected to the upper end of the wire corresponding to the scale; the lower end of the flexible scale is connected with the upper end of the limiting barrel, and the flexible scale is positioned on the axial center line of the limiting barrel; the simple power supply is arranged in the limiting barrel and connected with the touch switch and the indicator lamp into a loop through a lead.
In one embodiment of the above technical solution, the bottom plate of the limiting barrel is 3-5cm smaller than the diameter of the blast hole.
In one embodiment of the above technical solution, a radial groove extending towards the outer edge of the bottom plate is provided on the bottom plate in the limiting barrel at the inner wall of the near-coaming, the inner end of the metal plate body of the touch switch is hinged in the radial groove through a pin shaft, and the metal contact block is fixed at the outer end of the radial groove.
In one embodiment of the above technical solution, the limiting barrel is internally provided with a shielding cover for covering the radial groove, the barrel inner section of the metal plate body and the rectangular groove on the limiting barrel coaming.
In one embodiment of the above technical solution, four connecting holes are uniformly distributed on the top of the coaming of the limiting barrel in the circumferential direction and are used for connecting the flexible scale.
In one embodiment of the above technical solution, the lower end of the flexible scale is provided with a connecting cross-shaped connecting belt, and the connecting cross-shaped connecting belt is fixedly connected with the connecting hole on the coaming of the limiting barrel, so that the flexible scale is positioned on the axial central line of the limiting barrel when the limiting barrel is lowered.
In one embodiment of the foregoing technical solution, the simple power supply is a simple dc power supply.
The method for measuring the depth of the blast hole and blocking the blast hole by using the device provided by the invention comprises the following steps:
(1) A fixed structure of a flexible scale is arranged at the orifice of the blast hole;
(2) Assembling each structural part of the device according to the design requirement, paying attention to the fact that the metal plate body of the touch switch can flexibly rotate around the hinge joint, the connection parts of the wires are well contacted, and when the metal plate body falls down, the metal plate body contacts with the metal contact block, and the indicator light emits light;
(3) When the upper part of the metal plate body is in extrusion contact with the spring on the outer wall of the limiting barrel, the spring has a preset compression amount;
(4) When the limiting barrel is lifted by the flexible scale, whether the limiting barrel is in a horizontal state or not is tested, so that the limiting barrel can be smoothly lowered in the blast hole;
(5) Filling a hole plugging material into the limiting barrel;
(6) The limiting barrel is lowered in the blast hole through the flexible scale, and at the moment, the extending section of the touch switch metal plate body is restrained by the hole wall to squeeze the spring, which is equivalent to the fact that the flexible scale is pulled downwards under the action of gravity of the limiting barrel and the hole blocking material in the limiting barrel;
(7) When the limiting barrel reaches the bottom of the hole, the metal plate body of the touch switch breaks away from the constraint of the hole wall and immediately falls to be in contact with the metal contact block so as to conduct the loop, the indicator lamp at the upper end of the flexible scale emits light, and at the moment, the scale data on the flexible scale is read to record hole depth measurement data;
(8) The upper end of the flexible scale is fixed, so that the limiting barrel is suspended at the bottom of the blast hole through the flexible scale to finish hole blocking, and then the next charging and wiring process can be carried out.
According to the invention, touch switches are uniformly distributed at the bottom of the limiting barrel along the circumferential direction of the barrel wall, the outer wall of the limiting barrel is provided with springs, the upper end of the limiting barrel is connected with a flexible scale, and the flexible scale is positioned on the axial central line of the limiting barrel. The wire is fixed on the flexible scale, and the upper end of corresponding flexible scale on the wire is connected with the pilot lamp, sets up simple and easy power in spacing bucket simultaneously to link into the return circuit with touch switch and pilot lamp through the wire, the break-make of return circuit is realized through touch switch. When the limiting barrel filled with the plugging material is placed in the blast hole through the flexible scale, the metal plate body of the touch switch is restrained by the hole wall to be in an upper inclined state and is extruded by the spring, the touch switch is in an open state, when the limiting barrel is placed at the bottom of the blast hole, the metal plate body is separated from the restraint of the wall of the blast hole, and simultaneously falls down immediately under the reset thrust of the spring, so that the touch switch closes a conduction loop, an indicator lamp emits light, the scale on the flexible scale is read to record the depth of the blast hole, and the position of the bottom of the blast hole can be judged through the light emission of the indicator lamp. The method has the advantages that the scales on the flexible scale are read and then fixed to the hole opening, the limiting barrel is hung at the bottom of the hole to plug the hole, the current tentative hole plugging method by hand feeling and experience is changed, the hole measurement and plugging procedures are completed accurately, the hole measurement and plugging difficulty is greatly reduced, a great amount of time and preparation work are saved for continuous charging work, and the method is significant in improving mine blasting efficiency and promoting mine safe and efficient production.
Drawings
Fig. 1 is a schematic view illustrating a state in which a limiting barrel is lowered in a blast hole according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of fig. 1 prior to attachment of the flexible scale.
Fig. 3 is a schematic view of the state of the limiting barrel after reaching the bottom of the blast hole.
Detailed Description
As can be seen from fig. 1 and 2, the device with functions of measuring and plugging a blast hole disclosed in this embodiment includes a limiting barrel 1, a touch switch 2, a spring 3, a flexible scale 4, a simple power supply, a wire and an indicator lamp 5. The simple power supply and wires are not shown.
The limiting barrel 1 is a hollow barrel with an opening at the upper end and made of insulating materials, the diameter of a bottom plate of the limiting barrel is larger than that of the coaming, and the diameter of the bottom plate is slightly smaller than the bore diameter of the blast hole, preferably 3-5cm smaller.
The touch switch 2 has a plurality of along spacing bucket 1 circumference equipartition, and every touch switch 2 includes metal plate body 21 and metal touch piece 22.
One end of the metal plate body 21 is rotatably hinged to the inner wall of the near-coaming on the inner bottom plate of the limiting barrel 1 through a pin shaft, the metal plate body is in contact with the metal contact block 22 when being in a horizontal state, a radial groove is formed in the bottom plate, the inner end of the metal plate body 21 is hinged to the inner end in the radial groove through the pin shaft, and the metal contact block 22 is embedded into the outer end in the radial groove.
The outer end of the metal plate body 21 extends out of the coaming of the limiting barrel 1, after the metal plate body is assembled on the limiting barrel, the corresponding length position of the outer end of the metal plate body is larger than the bore diameter of the blast hole, and rectangular grooves are formed in the coaming corresponding to the penetrating position of the metal plate body 21 and below the metal plate body.
The inside of the limiting barrel 1 is provided with a shielding cover for shielding the radial groove, the barrel inner section of the metal plate body 22 and the rectangular groove on the limiting barrel coaming, so as to prevent the metal plate body 21 of the touch switch 2 from falling when the limiting barrel 1 is filled with hole blocking materials such as fine sand.
The upper part of the outer wall of the coaming of the limiting barrel 1 corresponding to the extending section of the metal plate body 21 is fixedly provided with a spring 3.
Four connecting holes positioned on a pair of perpendicular intersecting diameters are formed in the top of the coaming of the limiting barrel 1 and are used for connecting the flexible scale 4.
The flexible scale 4 is made of insulating materials, scales for marking the length are arranged on the flexible scale, a round-trip wire is fixed on the flexible scale along the length direction, and an indicator lamp 5 is connected to the upper end of the wire corresponding to the scale.
The lower extreme of flexible scale 4 has a connection cross connecting band 41, and the cross connecting band is fixed with the connecting hole connection on the bounding wall of spacing bucket 1, is in on the axial central line of spacing bucket 1 when making flexible scale 4 drop spacing bucket.
The simple power supply adopts a simple direct current power supply, is arranged in the limiting barrel 1, is connected with the touch switch 2 and the indicator lamp 5 into a loop through a wire, and is switched on and off through the touch switch 2, and when the switch is switched on, the indicator lamp 5 emits light. It is tested whether the indicator lights are lighted after the loop is turned on.
When the metal plate body 21 of the touch switch 2 is hinged with the bottom plate of the limiting barrel 1, attention should be paid to the fact that the metal plate body 21 can flexibly rotate. When the spring 3 is fixed, it is inclined downward by a certain angle, and the position of attention corresponds to the position of the metal plate body 21. The metal plate body 21 also takes care of its good contact with the metal contact block 22 when it is in a horizontal state.
After each structure of this device is connected and is assembled, when observing flexible scale and lifting spacing bucket, spacing bucket is horizontal, and spacing bucket level just can guarantee its in the big gun hole and descend smoothly. After the limiting barrel is ensured to be horizontal, a hole plugging material, preferably fine sand which can be obtained locally, is filled into the limiting barrel, and then the limiting barrel is lowered from the blast hole through a flexible scale.
When the metal plate body is released, the metal plate body of the touch switch is in an upward inclined state due to the constraint of the wall of the blast hole, and the spring is extruded to enable the metal plate body to have a certain compression amount, so that when the metal plate body is separated from the constraint of the wall of the blast hole, the spring can push the metal plate body downwards, and the metal plate body can instantly fall.
When the limiting barrel reaches the bottom of the blast hole, the metal plate body of the touch switch breaks away from the constraint of the hole wall and immediately falls into contact with the metal contact block to conduct the loop, the indicator lamp at the upper end of the flexible scale emits light, the limiting barrel is located at the bottom of the blast hole, and the scale data on the flexible scale are read to obtain the depth data of the blast hole.
After the forehead scale value of the flexible scale corresponding to the hole opening is recorded, the upper end of the flexible scale is fixed (a fixing frame is arranged at the hole opening of the blast hole in advance), so that the limiting barrel is hung at the hole bottom of the blast hole through the flexible scale to finish hole blocking, as shown in fig. 3.
From fig. 3, it can be seen that the limiting barrel at the bottom of the blast hole is in a horizontal state, the metal plate body of the touch switch is in a horizontal state, the upper side of the extending section of the metal plate body of the touch switch is blocked by the top plate of the goaf around the blast hole, and a plurality of touch switches are uniformly distributed along the circumference of the bottom of the limiting barrel, so that the bottom of the blast hole can be well blocked by the metal plate bodies of the limiting barrel, and a foundation is laid for next-step charging.
The invention can accurately judge that the limiting barrel reaches the bottom of the blast hole through the light emission of the indicator lamp, can accurately and directly read the depth of the blast hole through the flexible ruler, can horizontally limit and plug the blast hole at the bottom of the blast hole through the metal plate body of the touch switch, and can fix the flexible ruler at the hole opening at the upper end.
Claims (8)
1. The utility model provides a device that has big gun hole measurement and stifled hole function concurrently which characterized in that: the device comprises a limiting barrel, a flexible scale, a touch switch, a simple power supply, a wire and an indicator lamp;
the limiting barrel is a hollow barrel with an opening at the upper end, which is made of insulating materials, the diameter of a bottom plate is larger than that of the coaming, a plurality of touch switches are uniformly distributed along the circumferential direction of the limiting barrel, each touch switch comprises a metal plate body and metal contact blocks, one end of the metal plate body is rotatably hinged on the bottom plate in the limiting barrel, the other end of the metal plate body penetrates through the coaming, when the metal plate body is in a horizontal state, the corresponding position of the outer end of the metal plate body extends out of a blast hole, rectangular grooves are formed in the coaming, corresponding to the penetrating position of the metal plate body, of the metal contact blocks are arranged on the bottom plate outside the barrel, and springs are fixed on the outer wall of the coaming of the limiting barrel, corresponding to the upper parts of the extending sections of the metal plate body;
the flexible scale is made of insulating materials, scales for marking the length are arranged on the flexible scale, a round-trip wire is fixed on the flexible scale along the length direction, and an indicator lamp is connected to the upper end of the wire corresponding to the flexible scale; the lower end of the flexible scale is connected with the upper end of the limiting barrel, and the flexible scale is positioned on the axial center line of the limiting barrel;
the simple power supply is arranged in the limiting barrel and connected with the touch switch and the indicator lamp into a loop through a lead.
2. The device with the functions of blast hole measurement and hole plugging as set forth in claim 1, wherein: the diameter of the bottom plate of the limiting barrel is 3-5cm smaller than the diameter of the blast hole.
3. The device with the functions of blast hole measurement and hole plugging as set forth in claim 2, wherein: the inner end of the metal plate body of the touch switch is hinged in the radial groove through a pin shaft, and the metal contact block is fixed at the outer end of the radial groove.
4. The device with the functions of blast hole measurement and hole plugging as set forth in claim 3, wherein: a shielding cover is arranged in the limiting barrel and covers the radial groove and the inner barrel section of the metal plate body and the rectangular groove on the limiting barrel coaming.
5. The device with the functions of blast hole measurement and hole plugging as set forth in claim 1, wherein: four connecting holes are uniformly distributed at the top of the coaming of the limiting barrel in the circumferential direction and are used for connecting the flexible scale.
6. The device with the functions of blast hole measurement and hole plugging as set forth in claim 5, wherein: the lower extreme of flexible scale has the connection cross connecting band, the cross connecting band with the connecting hole on the spacing bucket bounding wall is connected fixedly, is in on the axial central line of spacing bucket when making flexible scale drop spacing bucket.
7. The device with the functions of blast hole measurement and hole plugging as set forth in claim 1, wherein: the simple power supply is a simple direct current power supply.
8. A method of measuring blast hole depth and plugging a blast hole using the apparatus of claim 1, comprising the steps of:
(1) A fixed structure of a flexible scale is arranged at the orifice of the blast hole;
(2) Assembling each structural part of the device according to the design requirement, paying attention to the fact that the metal plate body of the touch switch can flexibly rotate around the hinge joint, all the connecting parts of the lead are well contacted, and when the metal plate body falls down, the metal plate body contacts with the metal contact block, and the indicator light emits light;
(3) When the upper part of the metal plate body is in extrusion contact with the spring on the outer wall of the limiting barrel, the spring has a preset compression amount;
(4) When the limiting barrel is lifted by the flexible scale, whether the limiting barrel is in a horizontal state or not is tested, so that the limiting barrel can be smoothly lowered in the blast hole;
(5) Filling a hole plugging material into the limiting barrel;
(6) The limiting barrel is lowered in the blast hole through the flexible scale, and at the moment, the extending section of the touch switch metal plate body is restrained by the hole wall to squeeze the spring, which is equivalent to the fact that the flexible scale is pulled downwards under the action of gravity of the limiting barrel and the hole blocking material in the limiting barrel;
(7) When the limiting barrel reaches the bottom of the hole, the metal plate body of the touch switch breaks away from the constraint of the hole wall and immediately falls to be in contact with the metal contact block so as to conduct the loop, the indicator lamp at the upper end of the flexible scale emits light, and at the moment, the scale data on the flexible scale is read to record hole depth measurement data;
(8) The upper end of the flexible scale is fixed, so that the limiting barrel is suspended at the bottom of the blast hole through the flexible scale to finish hole blocking, and then the next charging and wiring process can be carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559678.9A CN111649633B (en) | 2020-06-18 | 2020-06-18 | Device with functions of blast hole measurement and hole blocking and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559678.9A CN111649633B (en) | 2020-06-18 | 2020-06-18 | Device with functions of blast hole measurement and hole blocking and application method thereof |
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| CN111649633A CN111649633A (en) | 2020-09-11 |
| CN111649633B true CN111649633B (en) | 2023-05-23 |
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| CN202010559678.9A Active CN111649633B (en) | 2020-06-18 | 2020-06-18 | Device with functions of blast hole measurement and hole blocking and application method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112113474B (en) * | 2020-09-27 | 2021-11-02 | 长沙矿山研究院有限责任公司 | Partially recyclable blast hole measuring and plugging device and application method thereof |
| CN112129184B (en) * | 2020-10-10 | 2024-03-08 | 新疆维吾尔自治区地质矿产勘查开发局第一水文工程地质大队 | Measuring device for measuring depth of vertical blast hole after layered blasting and application thereof |
| CN112945042B (en) * | 2021-02-05 | 2022-08-19 | 中南大学 | VCR method blast hole bottom plugging device and plugging method |
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| CN212300140U (en) * | 2020-06-18 | 2021-01-05 | 长沙矿山研究院有限责任公司 | Device with blast hole measuring and hole plugging functions |
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| WO2012166143A1 (en) * | 2011-06-02 | 2012-12-06 | Halliburton Energy Services | Changing the state of a switch through the application of power |
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| CN104613834A (en) * | 2015-01-23 | 2015-05-13 | 山东大学 | Placing device for TSP blast hole emulsion explosive and operation method |
| CN108692624A (en) * | 2018-05-04 | 2018-10-23 | 武汉理工大学 | A kind of positioning device and method of Uncoincided charge |
| CN209147844U (en) * | 2018-10-12 | 2019-07-23 | 安徽铜冠（庐江）矿业有限公司 | Large diameter deep-hole blasting charge constitution |
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