CN103015956A - Expansion friction type flying-preventing device - Google Patents
Expansion friction type flying-preventing device Download PDFInfo
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- CN103015956A CN103015956A CN2012105702548A CN201210570254A CN103015956A CN 103015956 A CN103015956 A CN 103015956A CN 2012105702548 A CN2012105702548 A CN 2012105702548A CN 201210570254 A CN201210570254 A CN 201210570254A CN 103015956 A CN103015956 A CN 103015956A
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- expansion
- surge chamber
- friction
- compression
- expansion cone
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Abstract
The invention discloses an expansion friction type flying-preventing device which comprises a compression buffer chamber, a compression shaft, an expansion friction sleeve and an expansion cone, wherein the compression buffer chamber is provided with an inner cavity, and is also provided with one end capable of being connected with a carbon dioxide extractor, and the other end movably penetrating through the compression shaft, one end of the compression shaft is movably limited in the inner cavity of the compression buffer chamber, the other end of the compression shaft is connected with the expansion cone, the small end of the expansion cone faces towards the compression buffer chamber, the expansion friction sleeve is provided with an inner conical hole with the same taper as that of the expansion cone, the expansion friction sleeve is sleeved on the expansion cone, and the friction expansion sleeve is capable of moving along the expansion cone under the pushing of the compression buffer chamber and radially expanding. The expansion friction type flying-preventing device is capable of preventing the carbon dioxide extractor from accidently flying during explosion, and has the advantages of simple structure, easiness in processing and assembly, convenience for use, and good flying preventing effect.
Description
Technical field
What the present invention relates to be mainly used in carbon dioxide exploitation device only flies device.
Background technology
Carbon dioxide exploitation device is to utilize liquid carbon dioxide rapid gasification when being heated to expand and discharge enough blasting energies, cause the device of rock mass or coal fracturing, can replace big gun and adopt cap explosive in the process, can also in the gas pumping process, make coal body presplitting, effectively increase gas permeability of coal seam, improve coal bed gas extraction efficient, have superior functional performance and wide application prospect.
Cause accident to occur for stoping carbon dioxide exploitation device accident when the explosion to fly out, only fly the safety device of device necessity when just becoming carbon dioxide exploitation device and under coal mine, implementing operation, and there is no at present the ready-made device that only flies, therefore, being badly in need of a kind of device that only flies of exploitation stops carbon dioxide exploitation device accident when explosion to fly out.
Summary of the invention
The object of the present invention is to provide a kind of expansion friction-type only to fly device, fly out to stop carbon dioxide exploitation device accident when the explosion, realize safety in production.
For reaching this purpose, the present invention by the following technical solutions:
A kind of expansion friction-type only flies device, it comprises the compression surge chamber, compressional axis, expansion friction sleeve and expansion cone, described compression surge chamber has inner chamber, described compression surge chamber has and can exploit the end that device is connected with carbon dioxide, and the movable other end that wears compressional axis, one end activity of described compressional axis is limited in the inner chamber of described compression surge chamber, the other end is connected with expansion cone, the small end of described expansion cone is towards described compression surge chamber, described expansion friction sleeve has the internal taper hole identical with the expansion cone tapering, described expansion friction sleeve is set on the described expansion cone, described expansion friction sleeve can move along expansion cone under the promotion of compression surge chamber, and radial dilatation.
Preferably, described compressional axis is comprised of the diameter that is connected as a single entity larger cylinder and the less cylinder of diameter, described two cylinders are coaxial, and the cylinder that wherein diameter is larger is arranged in the inner chamber of described compression surge chamber, are provided with the external screw thread that is connected for expansion cone on the less cylinder of diameter.
Preferably, described compressional axis and compression surge chamber wear between an end of compressional axis and are provided with cushion pad.
Preferably, described compressional axis can be exploited between the end that device is connected with carbon dioxide with the compression surge chamber and be provided with cushion pad.
Preferably, described cushion pad is silicagel pad.
Preferably, the external surface of described compression surge chamber is the face of cylinder.
Preferably, the external surface of described expansion friction sleeve is the face of cylinder.
Preferably, described compression surge chamber is connected with carbon dioxide exploitation device by screw thread.
Operating principle of the present invention is: connect carbon dioxide exploitation device only fly device be fixed in the shot hole hole at the bottom of after, carbon dioxide exploitation device starts explosion, under the promotion of the carbon dioxide of explosion moment ejection, the compression surge chamber moves at the bottom of the shot hole hole, then compress surge chamber and promote the expansion friction sleeve, direction moves at the bottom of making the expansion friction sleeve along expansion cone to the shot hole hole, the expansion friction sleeve expands then, then carbon dioxide exploitation device can move to shot hole aperture direction under expansion friction sleeve reaction force, at this moment be stuck in tightly at the bottom of the shot hole hole owing to the dilatancy of expansion friction sleeve, thereby stoped carbon dioxide exploitation device to fly out to shot hole aperture direction, avoided the generation of security incident.
Beneficial effect of the present invention is: simple in structure, and easily processing, easily assembling is easy to use, only flies effective.
Description of drawings
Fig. 1 is the cross-sectional schematic that the expansion friction-type of the embodiment of the invention only flies device;
Fig. 2 is that schematic diagram is looked on the left side that expansion friction-type shown in Figure 1 only flies device;
Fig. 3 is that schematic diagram is looked on the right side that expansion friction-type shown in Figure 1 only flies device;
Among the figure: 1, compression surge chamber; 2, compressional axis; 3, expansion friction sleeve; 4, expansion cone; 5, cushion pad.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Shown in Fig. 1～3, the expansion friction-type of the present embodiment only flies device and comprises compression surge chamber 1, compressional axis 2, expansion friction sleeve 3 and expansion cone 4, compression surge chamber 1 has inner chamber, compression surge chamber 1 has and can exploit the end that device is connected with carbon dioxide, and the movable other end that wears compressional axis 2, one end activity of compressional axis 2 is limited in the inner chamber of compression surge chamber 1, the other end is connected with expansion cone 4, the small end of expansion cone 4 is towards compression surge chamber 1, expansion friction sleeve 3 has the internal taper hole identical with expansion cone 4 taperings, expansion friction sleeve 3 is set on the expansion cone 4, expansion friction sleeve 3 can move along expansion cone 4 under the promotion of compression surge chamber 1, and radial dilatation.
Preferably, compressional axis 2 is comprised of the diameter that is connected as a single entity larger cylinder and the less cylinder of diameter, described two cylinders are coaxial, and the cylinder that wherein diameter is larger is arranged in the inner chamber of compression surge chamber 1, are provided with the external screw thread that is connected for expansion cone 4 on the less cylinder of diameter.
Preferably, compressional axis 2 and compression surge chamber 1 wear between an end of compressional axis and are provided with cushion pad 5.
Preferably, compressional axis 2 can be exploited between the end that device is connected with carbon dioxide with compression surge chamber 1 and be provided with cushion pad 5.
Preferably, cushion pad 5 is silicagel pad.
Preferably, the external surface of compression surge chamber 1 is the face of cylinder.
Preferably, the external surface of expansion friction sleeve 3 is the face of cylinder.
Preferably, compression surge chamber 1 is connected with carbon dioxide exploitation device by screw thread.
Of the present invention only fly device at the bottom of connecting carbon dioxide exploitation device and being fixed in the shot hole hole after, carbon dioxide exploitation device starts explosion, under the promotion of the carbon dioxide of explosion moment ejection, the compression surge chamber moves at the bottom of the shot hole hole, then compress surge chamber and promote the expansion friction sleeve, direction moves at the bottom of making the expansion friction sleeve along expansion cone to the shot hole hole, the expansion friction sleeve expands then, then carbon dioxide exploitation device can move to shot hole aperture direction under expansion friction sleeve reaction force, at this moment be stuck in tightly at the bottom of the shot hole hole owing to the dilatancy of expansion friction sleeve, thereby stoped carbon dioxide exploitation device to fly out to shot hole aperture direction, avoided the generation of security incident, have simple in structure, easily processing, easily assembling is easy to use, only fly effective advantage, only fly success rate and reach more than 98%.
The present invention only flies device except what can be used as carbon dioxide exploitation device, also can be used for having the application of similar functions demand.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an expansion friction-type only flies device, it is characterized in that: it comprises the compression surge chamber, compressional axis, expansion friction sleeve and expansion cone, described compression surge chamber has inner chamber, described compression surge chamber has and can exploit the end that device is connected with carbon dioxide, and the movable other end that wears compressional axis, one end activity of described compressional axis is limited in the inner chamber of described compression surge chamber, the other end is connected with expansion cone, the small end of described expansion cone is towards described compression surge chamber, described expansion friction sleeve has the internal taper hole identical with the expansion cone tapering, described expansion friction sleeve is set on the described expansion cone, described expansion friction sleeve can move along expansion cone under the promotion of compression surge chamber, and radial dilatation.
2. expansion friction-type according to claim 1 only flies device, it is characterized in that: described compressional axis is comprised of the diameter that is connected as a single entity larger cylinder and the less cylinder of diameter, described two cylinders are coaxial, the cylinder that wherein diameter is larger is arranged in the inner chamber of described compression surge chamber, is provided with the external screw thread that is connected for expansion cone on the less cylinder of diameter.
3. expansion friction-type according to claim 1 only flies device, it is characterized in that: described compressional axis and compression surge chamber wear between an end of compressional axis and are provided with cushion pad.
4. expansion friction-type according to claim 1 only flies device, it is characterized in that: described compressional axis can be exploited between the end that device is connected with carbon dioxide with the compression surge chamber and be provided with cushion pad.
According to claim 4 or 5 described expansion friction-types only fly device, it is characterized in that: described cushion pad is silicagel pad.
6. expansion friction-type according to claim 1 only flies device, it is characterized in that: the external surface of described compression surge chamber is the face of cylinder.
7. expansion friction-type according to claim 1 only flies device, it is characterized in that: the external surface of described expansion friction sleeve is the face of cylinder.
8. expansion friction-type according to claim 1 only flies device, it is characterized in that: described compression surge chamber is connected with carbon dioxide exploitation device by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570254.8A CN103015956B (en) | 2012-12-25 | 2012-12-25 | Expandable frictional formula only flies device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570254.8A CN103015956B (en) | 2012-12-25 | 2012-12-25 | Expandable frictional formula only flies device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103015956A true CN103015956A (en) | 2013-04-03 |
| CN103015956B CN103015956B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210570254.8A Active CN103015956B (en) | 2012-12-25 | 2012-12-25 | Expandable frictional formula only flies device |
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| CN (1) | CN103015956B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634203A (en) * | 2013-11-08 | 2015-05-20 | 北京天高智机技术开发公司 | Manual blasting retaining device |
| CN105180729A (en) * | 2015-08-05 | 2015-12-23 | 河北亿科金属制品有限公司 | Flying stopper for carbon dioxide fracturer |
| CN107179023A (en) * | 2017-06-27 | 2017-09-19 | 河南工程学院 | The anti-winged device of carbon dioxide fracturing device |
| CN108680071A (en) * | 2018-07-30 | 2018-10-19 | 厦门岩特科技有限公司 | A kind of carbon dioxide explosion plugging device |
Citations (5)
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| DE3407342A1 (en) * | 1984-02-29 | 1985-08-29 | Ernst 4620 Castrop-Rauxel Risse | Borehole plug |
| US5474364A (en) * | 1994-10-20 | 1995-12-12 | The United States Of America As Represented By The Secretary Of The Interior | Shotgun cartridge rock breaker |
| US20010004016A1 (en) * | 1999-12-16 | 2001-06-21 | Michael Hillyer | Perforating gun brake |
| CN2456276Y (en) * | 2000-12-19 | 2001-10-24 | 郑建巨 | Insulation safety casing for transformer oil switch |
| CN203081418U (en) * | 2012-12-25 | 2013-07-24 | 煤炭科学研究总院 | Swelling friction type flying stopping device |
-
2012
- 2012-12-25 CN CN201210570254.8A patent/CN103015956B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3407342A1 (en) * | 1984-02-29 | 1985-08-29 | Ernst 4620 Castrop-Rauxel Risse | Borehole plug |
| US5474364A (en) * | 1994-10-20 | 1995-12-12 | The United States Of America As Represented By The Secretary Of The Interior | Shotgun cartridge rock breaker |
| US20010004016A1 (en) * | 1999-12-16 | 2001-06-21 | Michael Hillyer | Perforating gun brake |
| CN2456276Y (en) * | 2000-12-19 | 2001-10-24 | 郑建巨 | Insulation safety casing for transformer oil switch |
| CN203081418U (en) * | 2012-12-25 | 2013-07-24 | 煤炭科学研究总院 | Swelling friction type flying stopping device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634203A (en) * | 2013-11-08 | 2015-05-20 | 北京天高智机技术开发公司 | Manual blasting retaining device |
| CN105180729A (en) * | 2015-08-05 | 2015-12-23 | 河北亿科金属制品有限公司 | Flying stopper for carbon dioxide fracturer |
| CN107179023A (en) * | 2017-06-27 | 2017-09-19 | 河南工程学院 | The anti-winged device of carbon dioxide fracturing device |
| CN108680071A (en) * | 2018-07-30 | 2018-10-19 | 厦门岩特科技有限公司 | A kind of carbon dioxide explosion plugging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103015956B (en) | 2015-10-07 |
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Owner name: CHINA COAL RESEARCH INSTITUTE CO., LTD. Free format text: FORMER OWNER: COAL GENERAL ACADEMY Effective date: 20140801 |
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