CN203531879U - Flying stopping device for carbon dioxide extraction device - Google Patents
Flying stopping device for carbon dioxide extraction device Download PDFInfo
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- CN203531879U CN203531879U CN201320530174.XU CN201320530174U CN203531879U CN 203531879 U CN203531879 U CN 203531879U CN 201320530174 U CN201320530174 U CN 201320530174U CN 203531879 U CN203531879 U CN 203531879U
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- expansion
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- carbon dioxide
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Abstract
The utility model discloses a flying stopping device for a carbon dioxide extraction device, and relates to a safety device used in mines, in particular to an expandable safety device for carbon dioxide extraction. The flying stopping device for the carbon dioxide extraction device is simple in structure, capable of being repeatedly used, simple and convenient to use and good in flying stopping effect. The flying stopping device for the carbon dioxide extraction device comprises an expansion pull rod (1) and further comprises an expansion sleeve (3) which is arranged outside the expansion pull rod in a sleeved mode. The expansion pull rod comprises a pull rod portion (11) and a cone portion (12) which are mutually connected from front to back, the smaller end of the cone portion faces the pull rod portion and the front end of the pull rod portion is in threaded connection with a nut (2). The expansion sleeve comprises a sleeve body (31) and an expansion head (32) which are mutually connected from front to back, the length of the sleeve body is not less than 300mm, the diameter of the expansion head is not smaller than 45mm, the rear end of the expansion head is arranged outside the cone portion in a sleeved mode, at least two expansion clacks (321) are arranged at the rear end of the expansion head and arc-shaped grooves (3211) are formed in the expansion clacks in the circumferential direction respectively.
Description
Technical field
The utility model relates to the safety device in a kind of mine, particularly relates to a kind of expandable safety device for carbon dioxide exploitation.
Background technology
Carbon dioxide exploitation device is a kind of novel exploitation blasting gear, they are different from traditional gunpowder explosive, and carbon dioxide exploitation device is comprised of the high-intensity reusable metal tube that fills liquid carbon dioxide, heater (electro-heat equipment), level pressure Guo Neng mechanism etc.During use, exploitation device is placed in coal body boring, use exploder to start heater, heat inner liquid carbon dioxide and become gas, in pipeline, pressure continues to increase compressing level pressure Guo Neng mechanism, level pressure is wherein let out can sheet disrumpent feelings, discharge subsequently volume and expand the carbon dioxide that 600 times, pressure reach hundred MPas and carry out explosion, because the gas discharging fast in blasting process has cooling effect, carbon dioxide is again inert gas, therefore can avoid causing gas accident because producing naked light.About the structure of carbon dioxide exploitation device, can be 201310001976.6 referring to application number, application publication number is CN103033102A, Shen Qing Publication day to be the disclosed a kind of carbon dioxide exploitation device of Chinese invention patent application on April 10th, 2013.Carbon dioxide exploitation device in use, due to the rapid expanding of gas, easily makes to exploit device and from flying out in holing, causes the accident when explosion.In order addressing this problem, generally adopt and at drilling orifice, with quick hardening cement, carry out the way of shutoff at present, but the every separate explosion of this way need to again to be constructed and carried out shutoff, inconvenience.The production and operation enterprise in domestic this field seldom at present, domestic current few related application of also only having, application number is 201210570254.8, application publication number is CN103015956A, Shen Qing Publication day is that the disclosed a kind of expansion friction-type of the Chinese invention patent application on April 3rd, 2013 only flies device, it is placed on a side at the bottom of the hole in boring, only flying device is connected with carbon dioxide exploitation device, when carrying out bursting work, thereby gases at high pressure promote compression surge chamber, the friction sleeve that makes to expand expands and makes only to fly device and be clamped in the hole wall of boring, owing to only flying device, be connected with carbon dioxide exploitation device, therefore only fly device and can produce pulling force to the exploitation device of wanting to fly out, hinder it flies out from boring.The swell increment of not overexpansion friction sleeve depends on that expansion friction sleeve is with respect to the displacement of expansion cone, and it is relevant with the swell increment of expansion friction sleeve only to fly effect, when expansion friction sleeve relative expansion cone moves, expansion cone also can be subject to the expanding thrust of friction sleeve, expansion cone is not subject to reciprocal pulling force to guarantee the expansion effect of expansion friction sleeve, therefore it is little that this only flies the power that only flies that device can produce, only fly effect bad, this only flies device and must be connected with exploitation device in use in addition, uses inconvenience.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, can reuse, easy to use, only fly effective for carbon dioxide exploitation device, only to fly device.
The utility model only flies device for carbon dioxide exploitation device, it comprises swelling pull bar, and swelling pull bar comprises rod section and frustum portion, and rod section and frustum portion interconnect from front to back, the small end of frustum portion is towards described rod section, the front end of the described rod section nut that has been threaded;
Also comprise expansion sleeve, expansion sleeve is enclosed within outside described swelling pull bar, expansion sleeve comprises sleeve and expansion-head, sleeve and expansion-head interconnect from front to back, and the length of sleeve is not less than 300mm, and the diameter of expansion-head is not less than 45mm, sleeve is between described nut and frustum portion, the rear end of expansion-head is enclosed within outside described frustum portion, and the rear end of expansion-head is provided with at least two lobe expanding petals, on every lobe expanding petal, all along hoop, is provided with deep-slotted chip breaker.
The utility model only flies device for carbon dioxide exploitation device, and the material of wherein said expansion-head is spring steel.
The utility model only flies device for carbon dioxide exploitation device, and the left and right sides wall of wherein said rod section front end is provided with groove.
The utility model only flies device for carbon dioxide exploitation device, and the rear end of wherein said sleeve is provided with internal thread, and the front end of described expansion-head is provided with external screw thread, and described sleeve and expansion-head are threaded.
The utility model only flies device for carbon dioxide exploitation device, and the lobe number of wherein said expanding petal is pintongs, six lobes or eight lobes.
The utility model is that for the device difference from prior art that only flies of carbon dioxide exploitation device the utility model comprises swelling pull bar and expansion sleeve for the device that only flies of carbon dioxide exploitation device, swelling pull bar comprises rod section and frustum portion, expansion sleeve comprises sleeve and expansion-head, the front end of the rod section nut that has been threaded, in use, only expansion-head need be inserted to certain depth in boring, rotating nut, nut promotes sleeve and expansion-head, the expanse and being close to borehole wall under the conical surface effect of frustum portion of the expanding petal of expansion-head rear end, when withstanding or hit the rear end of swelling pull bar, exploitation device more can make expanding petal tightlyer swollen in addition, can ensure enough chucking powers to realize the good effect that only flies.Because the length of sleeve is not less than 300mm, make expansion-head have enough placed-depths, so exploitation device can not fly out in holing, cannelure is set on expanding petal and can increases the active force with borehole wall.The utility model is less for the component composition that only flies device of carbon dioxide exploitation device, so simple in structure, the utility model can be pulled down and reuse after stoping exploitation device to fly out.
Below in conjunction with accompanying drawing, to the utility model, the device that only flies for carbon dioxide exploitation device is described further.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the stereogram that only flies first embodiment of device of carbon dioxide exploitation device;
Fig. 2 is that the utility model is for the stereogram that only flies first embodiment swelling pull bar of device of carbon dioxide exploitation device;
Fig. 3 is that the utility model is for the stereogram that only flies first embodiment expansion-head of device of carbon dioxide exploitation device;
Fig. 4 is that the utility model is looked sectional view for the right side that only flies first embodiment of device of carbon dioxide exploitation device.
The specific embodiment
The utility model as shown in Figure 1 only flies first embodiment of device for carbon dioxide exploitation device, simultaneously referring to Fig. 2, comprise swelling pull bar 1, swelling pull bar 1 comprises rod section 11 and frustum portion 12, rod section 11 and frustum portion 12 interconnect from front to back, the small end of frustum portion 12 is towards rod section 11, as shown in Figure 1, and the front end of rod section 11 nut 2 that has been threaded; Also comprise expansion sleeve 3, expansion sleeve 3 is enclosed within outside swelling pull bar 1, expansion sleeve 3 comprises sleeve 31 and expansion-head 32, sleeve 31 and expansion-head 32 interconnect from front to back, the length of the present embodiment middle sleeve 31 is 500mm, the diameter of expansion-head 32 is 52mm, sleeve 31 is between nut 2 and frustum portion 12, as shown in Figure 4, the rear end of expansion-head 32 is enclosed within outside frustum portion 12, referring to Fig. 3, the rear end of expansion-head 32 is provided with pintongs expanding petal 321, on every lobe expanding petal 321, all along hoop, is provided with three road deep-slotted chip breakers 3211.
The present embodiment in use, according to carbon dioxide being exploited to device after the diameter boring of expansion-head, insert, again by the rear end of the present embodiment, the one end that is expansion-head 32 places is inserted in drilling orifice, the placed-depth of expansion-head 32 depends on the length of sleeve 31, in the present embodiment, can to insert 0.5m dark for expansion-head 32.Afterwards, rotating nut 2, nut 2 promotion sleeves 31 are moved towards the direction at frustum portion 12 places, so expansion-head 32 expands and opens under the effect of the conical surface of frustum portion 12, pintongs expanding petal 321 is close to the inwall of boring, thereby the inwall that the present embodiment is holed clamps, the another existence due to deep-slotted chip breaker 3211, expanding petal 321 and borehole wall are rubbed and scrape, more increased the resistance of motion of expansion-head 32.Due to only by screwing nut, can guarantee that expansion-head 32 has enough displacements with respect to frustum portion 12, thereby can guarantee that expanding petal has enough swell incremenies, so can guarantee that the present embodiment has enough mechanical resistances only to exploit device and flies out, in addition, when exploitation device withstands or hits the rear end of swelling pull bar 1, can make again frustum portion 12 with respect to expansion-head 32, have the trend moving forward, so expanding petal will further be expanded, held tighter, like this on the active force clamping, the present embodiment only fly better effects if.On the other hand, because expansion-head 32 can be inserted darker position easily, even the present embodiment when exploitation device explosion due to stressed too large and regression can not allow because of enough regression displacements exploitation device fly out yet.The present embodiment after exploitation device explosion, by knocking the front end of rod section 11, thus can be so that frustum portion 12 move backward and expanding petal 321 disengagements, thereby can easily the present embodiment be reused from holing interior taking-up.
In order to extend the application life of expansion-head, in the present embodiment, the material of expansion-head 32 is spring steel.In order to make easily rod section 11 not turn when the rotating nut, the left and right sides wall of rod section 11 front ends is provided with groove 111, can by groove 111 use instruments, clamp rod section 11 easily like this and make it not turn.For the ease of processing and assembling, the rear end of the present embodiment middle sleeve 31 is provided with internal thread, and the front end of expansion-head 32 is provided with external screw thread, and sleeve 31 and expansion-head 32 are threaded.In the present embodiment, the lobe number of expanding petal 321 is pintongs, but the lobe number of expanding petal 321 can be at least two lobes, as six lobes or eight lobes.In addition, the diameter of the length of sleeve 31, expansion-head 32 is not limited to the size in the present embodiment, the length of sleeve is not less than 300mm and can makes expansion-head have enough placed-depths, and the diameter of expansion-head is not less than 45mm and can makes expansion-head have enough swell incremenies to produce the enough power that only flies.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. one kind only flies device for carbon dioxide exploitation device, it is characterized in that: comprise swelling pull bar (1), swelling pull bar (1) comprises rod section (11) and frustum portion (12), rod section (11) and frustum portion (12) interconnect from front to back, the small end of frustum portion (12) is towards described rod section (11), the front end of described rod section (11) nut (2) that has been threaded;
Also comprise expansion sleeve (3), expansion sleeve (3) is enclosed within outside described swelling pull bar (1), expansion sleeve (3) comprises sleeve (31) and expansion-head (32), sleeve (31) and expansion-head (32) interconnect from front to back, the length of sleeve (31) is not less than 300mm, the diameter of expansion-head (32) is not less than 45mm, sleeve (31) is positioned between described nut (2) and frustum portion (12), the rear end of expansion-head (32) is enclosed within outside described frustum portion (12), the rear end of expansion-head (32) is provided with at least two lobe expanding petals (321), on every lobe expanding petal (321), all along hoop, be provided with deep-slotted chip breaker (3211).
According to claim 1 for carbon dioxide exploitation device only fly device, it is characterized in that: the material of described expansion-head (32) is spring steel.
According to claim 2 for carbon dioxide exploitation device only fly device, it is characterized in that: the left and right sides wall of described rod section (11) front end is provided with groove (111).
4. according to claim 3ly for carbon dioxide exploitation device, only fly device, it is characterized in that: the rear end of described sleeve (31) is provided with internal thread, the front end of described expansion-head (32) is provided with external screw thread, and described sleeve (31) and expansion-head (32) are threaded.
According to claim 4 for carbon dioxide exploitation device only fly device, it is characterized in that: the lobe number of described expanding petal (321) is pintongs, six lobes or eight lobes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530174.XU CN203531879U (en) | 2013-08-28 | 2013-08-28 | Flying stopping device for carbon dioxide extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530174.XU CN203531879U (en) | 2013-08-28 | 2013-08-28 | Flying stopping device for carbon dioxide extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203531879U true CN203531879U (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320530174.XU Expired - Fee Related CN203531879U (en) | 2013-08-28 | 2013-08-28 | Flying stopping device for carbon dioxide extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203531879U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410492A (en) * | 2013-08-28 | 2013-11-27 | 中煤科技集团公司 | Flying stop device for carbon dioxide extraction device |
| CN106351659A (en) * | 2016-10-13 | 2017-01-25 | 山东名世矿业机械有限公司 | Carbon dioxide cracking device |
| CN109696086A (en) * | 2019-01-18 | 2019-04-30 | 河北云山化工集团有限公司 | A kind of excitation medicament device, carbon dioxide fracturing device and fracturing method |
-
2013
- 2013-08-28 CN CN201320530174.XU patent/CN203531879U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410492A (en) * | 2013-08-28 | 2013-11-27 | 中煤科技集团公司 | Flying stop device for carbon dioxide extraction device |
| CN106351659A (en) * | 2016-10-13 | 2017-01-25 | 山东名世矿业机械有限公司 | Carbon dioxide cracking device |
| CN109696086A (en) * | 2019-01-18 | 2019-04-30 | 河北云山化工集团有限公司 | A kind of excitation medicament device, carbon dioxide fracturing device and fracturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20140828 |
|
| EXPY | Termination of patent right or utility model |