CN110906820A - Device for preventing broken stone from falling into blast hole during charging - Google Patents
Device for preventing broken stone from falling into blast hole during charging Download PDFInfo
- Publication number
- CN110906820A CN110906820A CN201911188435.2A CN201911188435A CN110906820A CN 110906820 A CN110906820 A CN 110906820A CN 201911188435 A CN201911188435 A CN 201911188435A CN 110906820 A CN110906820 A CN 110906820A
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- Prior art keywords
- blast hole
- falling
- lower cylinder
- during charging
- preventing
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a device for preventing broken stone blocks from falling into a blast hole during charging, which comprises an upper part and a lower part, wherein the upper part is a hollow upper circular table, the lower part is a hollow lower cylinder, and a semicircular arc-shaped handle is arranged on the side wall of the middle position of the upper circular table. And a joint part is arranged between the upper circular truncated cone and the lower cylinder and is flush with the position of the blast hole opening. The invention is designed with an upper round table and a lower cylinder, when in use, the lower cylinder is placed in the blast hole, the upper round table is arranged at the upper end of the blast hole, when charging the open blast hole, a machine or a worker walks, broken stone blocks are prevented from falling into the blast hole, and the charging is convenient; meanwhile, after the device is used, the rope penetrates through the middle of the device to be recovered, the transportation device is convenient to recover, time and labor are saved, and the nylon rope with the diameter of 0.3-0.6 cm is adopted as the rope, so that the use times of the nylon rope can be increased.
Description
Technical Field
The invention relates to the field of blasting engineering in open-pit mining, in particular to a device for preventing broken stones from falling into a blast hole during charging.
Background
Strip mining is a process of stripping a covering from an ore body to extract a desired mineral. Open-pit mining can be divided into open-pit metal deposit mining, open-pit coal mining, open-pit nonmetal deposit mining and the like.
When charging in an open-air blast hole, broken stone blocks are easy to fall into the blast hole due to the walking of a machine or a worker, so that the charging cannot be continued due to the blockage of the blast hole, the blast hole is scrapped even in serious conditions, the re-drilling is time-consuming and labor-consuming, and the charged blast hole is easy to detonate during hole repairing, so that certain danger exists.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a device for preventing broken stones from falling into a blast hole during charging, which is provided with an upper round table and a lower cylinder, wherein the lower cylinder is placed in the blast hole during use, the upper round table is arranged at the upper end of the blast hole, and when charging is carried out in an open blast hole, a machine or a worker walks to prevent the broken stones from falling into the blast hole and the charging is convenient;
meanwhile, after the device is used, the rope penetrates through the middle of the device to be recovered, the transportation device is convenient to recover, time and labor are saved, and the nylon rope with the diameter of 0.3-0.6 cm is adopted as the rope, so that the use times of the nylon rope can be increased.
The purpose of the invention can be realized by the following technical scheme:
the device for preventing broken stone blocks from falling into a blast hole during charging comprises a hollow upper circular table arranged at the upper end, wherein a hollow lower cylinder is arranged at the bottom end of the upper circular table, and a semicircular arc-shaped handle is arranged on the side wall in the middle of the upper circular table.
And a joint part is arranged between the upper circular truncated cone and the lower cylinder and is flush with the position of the blast hole opening.
Furthermore, the height of the upper circular table is 8-10 cm, the thickness of the side wall of the upper bottom surface of the upper circular table is 0.6-0.8 cm, the thickness of the side wall is 0.4cm thicker than that of the other side walls of the upper circular table 1, and the arc shape is smooth.
Furthermore, the diameter of the upper bottom surface of the upper circular truncated cone is 2-4 cm larger than that of the lower bottom surface of the upper circular truncated cone, and the diameter of the lower bottom surface of the upper circular truncated cone is consistent with that of the lower cylinder.
Further, the inner diameter of the semi-circular arc-shaped handle is 5-7 cm, the thickness of the handle is 0.6-0.8 cm, and the angle of the handle is 190-210 degrees.
Furthermore, the positions of the joint part and the position of the blast hole opening are flush, and the thickness of the joint part is 0.6-0.8 cm.
Furthermore, the diameter of the lower cylinder is 0.3-0.5 cm smaller than that of the blast hole, the thickness of the lower cylinder is 0.2-0.4 cm, and the height of the lower cylinder is 5-8 cm.
Furthermore, the thickness of the side wall of the lower bottom surface of the lower cylinder is 0.6-0.8 cm, is 0.4cm thicker than other parts, and is rounded.
Furthermore, the upper round table, the handle, the lower cylinder and the joint part are made of PVC plastic, and the manufacturing die is formed in one step.
Further, the device adopts the rope to pass the centre of device and retrieves, and the rope adopts the nylon rope of diameter 0.3 ~ 0.6 cm.
The invention has the beneficial effects that:
1. the invention is designed with an upper round table and a lower cylinder, when in use, the lower cylinder is placed in the blast hole, the upper round table is arranged at the upper end of the blast hole, when charging the open blast hole, a machine or a worker walks, broken stone blocks are prevented from falling into the blast hole, and the charging is convenient;
2. after the device is used, the rope penetrates through the middle of the device to be recovered, the transportation device is convenient to recover, time and labor are saved, and the nylon rope with the diameter of 0.3-0.6 cm is adopted as the rope, so that the use times of the nylon rope can be increased;
3. the invention has wide source of raw materials, low price and simple preparation method.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
figure 3 is a schematic top view of the overall structure of the present invention,
wherein the reference numerals are respectively: 1-upper round table, 2-handle, 3-lower cylinder, 4-joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A device for preventing broken stone blocks from falling into a blast hole during charging comprises a hollow upper circular table 1 arranged at the upper end, wherein the upper circular table 1 can prevent the broken stone blocks from falling into the blast hole and is convenient for charging; the bottom end of the upper round platform 1 is provided with a hollow lower cylinder 3, so that the device can be conveniently placed into a blast hole, and the device is kept to be vertical to the blast hole.
The height of the upper round table 1 is 8-10 cm, the thickness of the side wall of the upper bottom surface of the upper round table 1 is 0.6-0.8 cm, the thickness is 0.4cm thicker than the thickness of other side walls of the upper round table 1, and the thickness of the side wall of the upper bottom surface is thicker, so that damage is prevented. Meanwhile, the arc shape of the upper round platform 1 is smooth, and the device is prevented from cutting hands.
The diameter of the upper bottom surface of the upper circular truncated cone 1 is 2-4 cm larger than that of the lower bottom surface, and the diameter of the lower bottom surface of the upper circular truncated cone 1 is consistent with that of the lower cylinder 3.
The lateral wall of 1 intermediate position of upper portion round platform is provided with a semicircle arc handle 2, conveniently puts into the big gun hole with the device and extracts the big gun hole, and the internal diameter of semicircle arc handle 2 is 5 ~ 7cm, and the thickness of handle 2 is 0.6 ~ 0.8cm, and the angle of semicircle arc handle 2 is 190 ~ 210 degrees.
A joint part 4 is arranged between the upper circular truncated cone 1 and the lower cylinder 3, the joint part 4 is flush with the position of a gun hole opening, the thickness of the joint part 4 is 0.6-0.8 cm, and due to the fact that the strength of the joint part 4 is low, proper reinforcement can be conducted on the joint part in the practical application process.
The diameter of the lower cylinder 3 is 0.3-0.5 cm smaller than that of the blast hole, the thickness of the lower cylinder 3 is 0.2-0.4 cm, and the height of the lower cylinder 3 is 5-8 cm.
The thickness of the side wall of the lower bottom surface of the lower cylinder 3 is 0.6-0.8 cm, is 0.4cm thicker than other parts, and is rounded and smooth, so that the device is prevented from cutting hands.
The upper round table 1, the handle 2, the lower cylinder 3 and the joint part 4 are made of PVC plastics, and the manufacturing die is formed in one step, so that the raw materials are wide in source and low in price.
After the use, adopt the rope to pass the centre of device and retrieve, the nylon rope of diameter 0.3 ~ 0.6cm is adopted to the rope, is favorable to increasing the number of times of use of nylon rope.
When big gun hole powder charge, can put this device inside the big gun hole, can prevent to adopt the rope to pass the centre of device and retrieve the transportation, labour saving and time saving after the powder charge is accomplished because machine, workman walk about and lead to the problem that the broken stone fell into the big gun hole.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. A device for preventing broken stone blocks from falling into a blast hole during charging comprises a hollow upper circular table (1) arranged at the upper end, and is characterized in that a hollow lower cylinder (3) is arranged at the bottom end of the upper circular table (1), and a semi-circular arc-shaped handle (2) is arranged on the side wall of the middle position of the upper circular table (1);
a joint part (4) is arranged between the upper circular truncated cone (1) and the lower cylinder (3), and the joint part (4) is flush with the position of the cannon hole opening.
2. The device for preventing the crushed stone from falling into the blast hole during charging according to claim 1, wherein the height of the upper circular truncated cone is 8-10 cm, the thickness of the side wall of the upper bottom surface of the upper circular truncated cone is 0.6-0.8 cm, the thickness of the side wall is 0.4cm thicker than that of other side walls of the upper circular truncated cone 1, and the arc shape is rounded.
3. The device for preventing the crushed stone from falling into the blast hole during charging according to claim 2, characterized in that the diameter of the upper bottom surface of the upper circular truncated cone (1) is 2-4 cm larger than that of the lower bottom surface, and the diameter of the lower bottom surface of the upper circular truncated cone (1) is consistent with that of the lower cylinder (3).
4. The device for preventing broken stone from falling into a blast hole during charging according to claim 1, wherein the inner diameter of the semi-circular arc-shaped handle (2) is 5-7 cm, the thickness of the handle (2) is 0.6-0.8 cm, and the angle of the handle (2) is 190-210 degrees.
5. A device for preventing chippings from falling into a blasthole when charging a powder according to claim 1, characterized in that the junction (4) is flush with the blasthole opening, the thickness of the junction (4) being 0.6-0.8 cm.
6. A device for preventing chippings from falling into a blasthole during charging according to claim 3, characterized in that the diameter of the lower cylinder (3) is 0.3 to 0.5cm smaller than the diameter of the blasthole, the thickness of the lower cylinder (3) is 0.2 to 0.4cm, and the height of the lower cylinder (3) is 5 to 8 cm.
7. The device for preventing the crushed stone from falling into the blast hole during charging according to claim 6, wherein the thickness of the sidewall of the lower bottom surface of the lower cylinder (3) is 0.6-0.8 cm, is 0.4cm thicker than other parts, and is rounded.
8. The device for preventing the crushed stone from falling into the blast hole during charging according to claim 3, characterized in that the upper round platform (1), the handle (2), the lower cylinder (3) and the joint part (4) are made of PVC plastic, and the mold is manufactured by one-step molding.
9. The device for preventing broken stone from falling into a blast hole during charging according to claim 1, wherein the device is recovered by penetrating a rope through the middle of the device, and the rope is a nylon rope with the diameter of 0.3-0.6 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188435.2A CN110906820A (en) | 2019-11-28 | 2019-11-28 | Device for preventing broken stone from falling into blast hole during charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188435.2A CN110906820A (en) | 2019-11-28 | 2019-11-28 | Device for preventing broken stone from falling into blast hole during charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110906820A true CN110906820A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911188435.2A Pending CN110906820A (en) | 2019-11-28 | 2019-11-28 | Device for preventing broken stone from falling into blast hole during charging |
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| CN (1) | CN110906820A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155890A (en) * | 2011-01-24 | 2011-08-17 | 平顶山天安煤业股份有限公司十矿 | Filling method used in deep hole loosening blasting pressure release |
| CN202170519U (en) * | 2011-08-02 | 2012-03-21 | 葛洲坝集团试验检测有限公司 | Orifice protecting device |
| CN205808264U (en) * | 2016-07-19 | 2016-12-14 | 陕西鸿安***工程有限责任公司 | A kind of filling powdery explosives device |
| CN206709866U (en) * | 2017-03-13 | 2017-12-05 | 中国电建集团华东勘测设计研究院有限公司 | A kind of long view hole protection for exit device |
-
2019
- 2019-11-28 CN CN201911188435.2A patent/CN110906820A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155890A (en) * | 2011-01-24 | 2011-08-17 | 平顶山天安煤业股份有限公司十矿 | Filling method used in deep hole loosening blasting pressure release |
| CN202170519U (en) * | 2011-08-02 | 2012-03-21 | 葛洲坝集团试验检测有限公司 | Orifice protecting device |
| CN205808264U (en) * | 2016-07-19 | 2016-12-14 | 陕西鸿安***工程有限责任公司 | A kind of filling powdery explosives device |
| CN206709866U (en) * | 2017-03-13 | 2017-12-05 | 中国电建集团华东勘测设计研究院有限公司 | A kind of long view hole protection for exit device |
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Application publication date: 20200324 |