CN213811986U - Seismic charge shell assembly - Google Patents
Seismic charge shell assembly Download PDFInfo
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- CN213811986U CN213811986U CN202022485982.1U CN202022485982U CN213811986U CN 213811986 U CN213811986 U CN 213811986U CN 202022485982 U CN202022485982 U CN 202022485982U CN 213811986 U CN213811986 U CN 213811986U
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Abstract
The utility model relates to a seismic source grain casing subassembly includes cartridge case unit, mouth of pipe extension unit, seals unit and transitional coupling unit. The cartridge case unit includes cartridge case body, seals connector and opening connector, and opening connector a tip surface is equipped with first external screw thread, and the opening connector of orientation sealed connector and the tip surface of sealing connector encircle in proper order and are provided with first one-way block unit and first sealed unit. The pipe orifice expanding unit comprises a pipe orifice expanding sleeve, a second one-way clamping unit and a second sealing unit. The sealing unit is screwed with the first external thread. The inner wall of the transition connection unit is provided with a third unidirectional clamping unit, a fourth unidirectional clamping unit, a third sealing unit and a fourth sealing unit, so that when the first transition sleeve is correspondingly clamped with the opening connector and the pipe orifice extension sleeve through the unidirectional clamping unit, the sealing units are sealed at two sides of the joint of the opening connector and the pipe orifice extension sleeve. The problem that the length of the grain shell is limited, and the sealing performance and the pressure resistance are poor is solved by the component.
Description
Technical Field
The utility model relates to an used explosive device during geophysical exploration especially relates to a focus explosive column casing subassembly.
Background
In the geophysical exploration, explosives are usually adopted to make artificial earthquakes, and then a geological structure diagram is drawn through the information feedback of a seismograph, so that scientific basis is provided for the resource industries of ore exploration, water, oil and the like. With the continuous progress of the geophysical prospecting technology level, the manufacturing requirements of the industry on the seismic source bomb are higher and higher, and the seismic source bomb is used for meeting the safe use under different geological structures and environments.
In the prior art, most seismic charge casings are formed by connecting a plurality of seismic charge columns end to end in series, or connecting sleeves are used for connecting adjacent seismic charge columns in series, so that primary firing is performed, and if any connecting sleeve is not firm, series connection failure can be caused. Meanwhile, the length of the existing seismic charge is fixed, and when the length of the existing seismic charge needs to be prolonged to prolong the series distance, the existing hollow blow molding process cannot produce the seismic charge with longer length. In addition, in the seismic charge casing in the prior art, the joint of the mutual connection lacks an effective protection and anti-leakage technical means, the sealing performance is poor, and meanwhile, the pressure resistance of the seismic charge casing is poor due to hard contact between the connecting sleeve and the seismic charge casing.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a seismic charge casing subassembly solves current seismic charge casing length restriction problem and leakproofness, the poor problem of crushing resistance.
In order to achieve the above object, the utility model provides a technical scheme of technical problem provides a seismic charge casing subassembly, include: the device comprises a cartridge loading unit, a pipe orifice expanding unit, a sealing unit and a transitional connecting unit; the cartridge unit comprises a cartridge body, a closed connector and an open connector, wherein the closed connector is integrally arranged at one end of the cartridge body, the open connector is arranged at the other end of the cartridge body, the closed connector and the open connector are arranged on two sides of the cartridge body in a two-stage step manner relative to the cartridge body, the surface of the end, far away from the closed connector, of the open connector is provided with a first external thread, a first one-way clamping unit and a first sealing unit are sequentially arranged on the surface of the end, facing the open connector and the closed connector of the closed connector, of the open connector in a surrounding manner, and an elastic sealing ring is arranged on the first sealing unit in a surrounding manner; the pipe orifice expanding unit comprises a pipe orifice expanding sleeve, a second one-way clamping unit and a second sealing unit, the second one-way clamping unit and the second sealing unit are arranged on the surface of the pipe orifice expanding sleeve in a surrounding mode, one end of the pipe orifice expanding sleeve is provided with an internal thread screwed with the first external thread of the opening connecting body, and the other end of the pipe orifice expanding sleeve is provided with a first external thread with the same caliber as the opening connecting body; the sealing unit is in threaded connection with any first external thread so as to seal the cartridge loading unit and enable the detonator to extend into the cartridge loading body; the transition connection unit comprises a first transition sleeve, a first one-way clamping unit, a third one-way clamping unit and a third sealing unit which correspond to the opening connector are arranged on the inner wall of one end of the first transition sleeve, a fourth one-way clamping unit and a fourth sealing unit which correspond to the second one-way clamping unit and the second sealing unit are arranged on the inner wall of the first transition sleeve, and when the first transition sleeve is correspondingly clamped with the opening connector and the pipe orifice extension sleeve through the one-way clamping unit, the sealing units are sealed at two sides of the joint of the opening connector and the pipe orifice extension sleeve; and a fifth one-way clamping unit and a fifth sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the closed connector are arranged on the inner wall at the other end of the first transition sleeve.
Preferably, the cartridge comprises a cartridge body, and is characterized by further comprising a sealing unit, wherein the first transition sleeve is clamped and abutted to one side of the cartridge body through a pipe orifice expansion sleeve and an opening connecting body, the outer diameter of the cartridge body is larger than that of the first transition sleeve, second external threads are respectively arranged on the surfaces of two ends of a barrel body of the cartridge body, and third external threads are respectively arranged on the outer walls of two ends of the barrel body of the first transition sleeve; sealed unit includes first sleeve and the second sleeve of the inside intercommunication of integral type and the coaxial setting, first telescopic internal diameter is greater than second sleeve internal diameter sets up, first sleeve inner wall be provided with the external screw thread of second closes the internal thread of connecting, second sleeve inner wall be provided with the internal thread that the external screw thread of third closes the connection, for sealed unit seal in the conflict end of first transition cover and dress cartridge body.
Preferably, the sealing unit comprises a sealing cover body with internal threads and a detonator guide pipe group communicated with the inside of the sealing cover body, the internal threads of the sealing cover body are detachably screwed with any first external thread, and the detonator guide pipe group comprises a first detonator guide pipe and a second detonator guide pipe which are telescopically connected; when the opening connecting body is communicated with the sealing cover body through the pipe orifice expanding sleeve, the first detonator guide pipe and the second detonator guide pipe in an extending state extend into the cartridge body, and when the opening connecting body is in screwed connection with the sealing cover body, the first detonator guide pipe and the second detonator guide pipe in a contracting state extend into the cartridge body.
Preferably, the transition connection unit further comprises a second transition sleeve, and a sixth one-way clamping unit and a sixth sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the closed connector are arranged on the inner wall of one end of the second transition sleeve; a seventh one-way clamping unit and a seventh sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the opening connector are arranged on the inner wall of the other end of the second transition sleeve; and fourth external threads are respectively arranged on the outer walls of the two ends of the sleeve body of the second transition sleeve, and are matched with the internal threads of the inner wall of the second sleeve.
Preferably, the first, second, third, fourth, fifth, sixth and seventh unidirectional engaging units each include two first engaging rings arranged in parallel and at intervals in the same direction, and when the two unidirectional engaging units are engaged correspondingly, the first engaging rings of different unidirectional engaging units are engaged with each other one by one.
Preferably, the first and second sealing units comprise two annular first sealing bosses arranged in parallel and at intervals, a first sealing ring groove arranged on the peripheral wall of the first sealing boss in a surrounding manner, and a sealing ring arranged in the first sealing ring groove and partially extending out of the first sealing ring groove, wherein the third, fourth, fifth, sixth and seventh sealing units comprise two annular second sealing bosses which are arranged in parallel at intervals, a circle of second sealing ring grooves are arranged on the peripheral wall of the second sealing boss in a surrounding manner, the height of the second sealing boss is lower than that of the first sealing boss, when the first sealing boss and the second sealing boss are correspondingly spliced, the first sealing boss is jointed with the table top of the second sealing boss, the sealing ring is arranged in a sealing space formed by the first sealing ring groove and the second sealing ring groove in an interference manner.
Preferably, a plurality of wavy reinforcing ribs are arranged on the surface of the middle part of the cartridge body at intervals along the axial direction of the cartridge body.
Compared with the prior art, the utility model provides a seismic charge housing assembly has following beneficial effect:
the length of the existing seismic charge is prolonged to realize the extension of the series distance by screwing the connecting pipe orifice extension sleeve on the end part of the opening connecting body, the first unidirectional clamping unit and the first sealing unit are sequentially arranged on the end surface of the opening connecting body and the closed connecting body in a surrounding manner, the second unidirectional clamping unit and the second sealing unit are arranged on the surface of the pipe orifice extension sleeve in a surrounding manner, the first unidirectional clamping unit, the third unidirectional clamping unit and the third sealing unit which correspond to the opening connecting body are arranged on the inner wall of one end of the first transition sleeve, the fourth unidirectional clamping unit and the fourth sealing unit which correspond to the second unidirectional clamping unit and the second sealing unit are also arranged on the inner wall of one end of the first transition sleeve, when the first transition sleeve is correspondingly clamped with the opening connecting body and the pipe orifice extension sleeve through the unidirectional clamping units, the corresponding sealing units are sealed on two sides of the connecting part of the opening connecting body and the pipe orifice extension sleeve, realize the antiseep and possess better leakproofness. Meanwhile, the opening connector and the pipe orifice extension sleeve are connected in a screwing mode, the tightness is good, the external first transition sleeve is sleeved and strides over the screw joint of the opening connector and the pipe orifice extension sleeve, direct contact type extrusion damage to the joint caused by the external environment is effectively avoided, and when the two corresponding sealing units are sealed, the sealing rings in the two corresponding sealing units have certain elasticity and can buffer impact caused by the fact that the external environment extrudes the first transition sleeve. Furthermore, the inner wall of the other end of the first transition sleeve is provided with a fifth one-way clamping unit and a fifth sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the closed connector, so that the first transition sleeve and the other cartridge loading unit are connected in series, and the sealing property and the pressure resistance of two sides of the joint are enhanced.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.
Drawings
Fig. 1 is a schematic structural view of a seismic charge housing assembly according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a seismic charge housing assembly according to a second embodiment of the present invention;
FIG. 3 is an enlarged view of the structure of the first transition sleeve and the open connector of the seismic charge housing assembly of the present invention;
fig. 4 is a schematic structural diagram of a second transition sleeve in the seismic charge housing assembly of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a seismic charge housing assembly, comprising: cartridge unit 10, nozzle extension unit 20, capping unit 30, and transition connection unit 40.
The cartridge case unit 10 includes cartridge case body 11, and the integral type is located the closed connector 12 of 11 one ends of cartridge case body and is located the opening connector 13 of the 11 other ends of cartridge case body, closed connector 12 with opening connector 13 is relative cartridge case body 11 is the second grade step branch and locates cartridge case body 11 both sides, opening connector 13 keeps away from the tip surface that closes connector 12 is provided with first external screw thread 14, the orientation close connector 12 the opening connector 13 with the tip surface that closes connector 12 encircles in proper order and is provided with first one-way block unit 15 and first sealed unit 16, it is equipped with the elastic sealing ring to encircle on the first sealed unit 16.
The pipe orifice expanding unit 20 comprises a pipe orifice expanding sleeve 21, a second one-way clamping unit 22 and a second sealing unit 23 which are arranged on the surface of the pipe orifice expanding sleeve 21 in a surrounding mode, one end of the pipe orifice expanding sleeve 21 is provided with an internal thread which is screwed with the first external thread 14 of the opening connecting body 13, and the other end of the pipe orifice expanding sleeve 21 is provided with a first external thread 14 with the same caliber as the opening connecting body 13.
The sealing unit 30 is screwed with any one of the first external threads 14 to seal the cartridge unit 10 and provide for the detonator to extend into the cartridge body 11.
The transition connection unit 40 includes a first transition sleeve 41, a first one-way fastening unit 15, a third one-way fastening unit 42, a third sealing unit 43, a fourth one-way fastening unit 44, and a fourth sealing unit 45 are disposed on an inner wall of one end of the first transition sleeve 41, where the first one-way fastening unit 15, the third one-way fastening unit 42, and the third sealing unit 43 correspond to the opening connector, and the second one-way fastening unit 22, the second sealing unit 23, respectively, so that when the first transition sleeve 41 is fastened with the opening connector 13 and the nozzle extension sleeve 21 correspondingly via the one-way fastening units, the sealing units are sealed at two sides of a joint of the opening connector 13 and the nozzle extension sleeve 21, and a fifth one-way fastening unit 46 and a fifth sealing unit 47 are disposed on an inner wall of the other end of the first transition sleeve 41, and are correspondingly matched with the first one-way fastening unit 15 and the first sealing unit 16 of the closed connector 12.
The length of the existing seismic charge is prolonged to realize the extension of the series distance by screwing the pipe orifice extension sleeve 21 at the end of the opening connector 13, the end surfaces of the opening connector 13 and the closed connector 12 are sequentially provided with a first unidirectional clamping unit 15 and a first sealing unit 16 in a surrounding manner, the surface of the pipe orifice extension sleeve 21 is provided with a second unidirectional clamping unit 22 and a second sealing unit 23 in a surrounding manner, meanwhile, the inner wall of one end of the first transition sleeve 41 is provided with a first unidirectional clamping unit 15 corresponding to the opening connector 13, a third unidirectional clamping unit 43 corresponding to the first sealing unit 16 and a third sealing unit 43, the inner wall of one end of the first transition sleeve 41 is also provided with a fourth unidirectional clamping unit 44 and a fourth sealing unit 45 corresponding to the second unidirectional clamping unit 22 and the second sealing unit 23, when the first transition sleeve 41 is correspondingly clamped with the opening connector 13 and the pipe orifice extension sleeve 21 through the unidirectional clamping units, the corresponding sealing units are sealed at two sides of the joint of the opening connecting body 13 and the pipe orifice expanding sleeve 21, so that leakage prevention is realized, and good sealing performance is achieved. Meanwhile, the opening connecting body 13 and the pipe orifice expanding sleeve 21 are connected in a threaded mode, the tightness is good, the first transition sleeve 41 outside is sleeved and arranged at the threaded connection position of the opening connecting body 13 and the pipe orifice expanding sleeve 21 in a spanning mode, and direct contact type extrusion damage to the connection position caused by the outside environment is effectively avoided. In addition, when the two corresponding sealing units are sealed, the sealing ring 63 inside the two corresponding sealing units has certain elasticity, and can buffer the impact caused by the external environment extruding the first transition sleeve 41. Furthermore, a fifth one-way clamping unit 46 and a fifth sealing unit 47 which are correspondingly matched with the first one-way clamping unit 15 and the first sealing unit 16 of the closed connecting body 12 are arranged on the inner wall of the other end of the first transition sleeve 41, so that the first transition sleeve 41 and the other medicine cartridge unit are connected in series, and meanwhile, the sealing performance and the pressure resistance of two sides of the connection part are enhanced.
Further, the seismic charge housing assembly further includes a sealing unit 50, the first transition sleeve 41 is engaged with one side of the charge cartridge body 11 through the pipe orifice extension sleeve 21 and the opening connector 13, the outer diameter of the charge cartridge body 11 is larger than that of the first transition sleeve 41, the two ends of the body of the charge cartridge body 11 are respectively provided with a second external thread 111 on the surface, and the two ends of the body of the first transition sleeve 41 are respectively provided with a third external thread 411 on the outer walls. The sealing unit 50 comprises a first sleeve 51 and a second sleeve 52 which are communicated with each other and coaxially arranged, the inner diameter of the first sleeve 51 is larger than that of the second sleeve 52, the inner wall of the first sleeve 51 is provided with an inner thread which is in threaded connection with the second outer thread 111, and the inner wall of the second sleeve 52 is provided with an inner thread which is in threaded connection with the third outer thread 411 so as to seal the sealing unit 50 at the abutting end of the first transition sleeve 41 and the cartridge body 11.
It is understood that the sealing unit 30 in this embodiment includes a sealing cap body 31 having an internal thread, and a detonator guiding pipe group 32 communicated with the inside of the sealing cap body 31, the internal thread of the sealing cap body 31 is detachably screwed with any one of the first external threads 14, and the detonator guiding pipe group 32 includes a first detonator guiding pipe 321 and a second detonator guiding pipe 322 which are telescopically connected.
When the open connection body 13 is communicated with the capsule body 31 via the nozzle extension sleeve 21, the first and second detonator guide tubes 321, 322 in an expanded state extend into the cartridge body 11, and when the open connection body 13 is threadedly coupled with the capsule body 31, the first and second detonator guide tubes 321, 322 in a contracted state extend into the cartridge body 11.
Further, as shown in fig. 2, as a preferred embodiment, the transition connection unit 40 further includes a second transition sleeve 42, and the second transition sleeve 42 is used for realizing the snap connection of the two seismic charge casings through the second transition sleeve 42 without extending the length of the existing seismic charge casing. A sixth one-way clamping unit 421 and a sixth sealing unit 422 which are correspondingly matched with the first one-way clamping unit 15 and the first sealing unit 16 of the closed connecting body 12 are arranged on the inner wall of one end of the second transition sleeve 42. And a seventh one-way clamping unit 423 and a seventh sealing unit 424 which are correspondingly matched with the first one-way clamping unit 15 and the first sealing unit 16 of the opening connector are arranged on the inner wall of the other end of the second transition sleeve 42. And fourth external threads 425 are respectively arranged on the outer walls of the two ends of the sleeve body of the second transition sleeve 42, and the fourth external threads 425 are matched with the internal threads on the inner wall of the second sleeve 52. It should be noted that, when the first transition sleeve 41 and the second transition sleeve 42 are screwed with the cartridge body 11 through the sealing unit 50, the two sealing units 50 are first sleeved on the transition sleeve in a back-to-back manner, and in the sleeving process, the second sleeve 52 needs to be screwed through the external thread on the outer surface of the transition sleeve, so as to realize the external thread screwed connection on the inner surface of the transition sleeve.
It can be understood that the first, second, third, fourth, fifth, sixth and seventh unidirectional engaging units each include two first engaging rings 61 arranged in parallel and at intervals in the same direction, and when the two unidirectional engaging units are engaged correspondingly, the first engaging rings 61 of different unidirectional engaging units are engaged with each other one to one. In this embodiment, two first engaging rings 61 that need to be engaged correspondingly can be used for the relative sliding engagement between the transition sleeve and the corresponding opening connector 13 or the nozzle extension sleeve 21. After the clamping, the two first clamping rings 61 correspondingly clamped limit the sliding paths of the reverse sliding out mutually, so as to realize the locking and limiting of the transition sleeve and the corresponding opening connector 13 or the pipe orifice extension sleeve 21.
Further, the first sealing unit 16 and the second sealing unit 23 include two parallel first sealing bosses 62 arranged at intervals, a first sealing ring groove arranged around the circumferential wall of the first sealing boss 62, and a sealing ring 63 arranged in the first sealing ring groove and partially extending out of the first sealing ring groove, the sealing ring 63 has elasticity, and the third, fourth, fifth, sixth and seventh sealing units include two parallel second sealing bosses 64 arranged at intervals, a circle of second sealing ring groove is arranged around the circumferential wall of the second sealing boss 64, the height of the second sealing boss 64 is lower than that of the first sealing boss 62, when the first sealing boss 62 and the second sealing boss 64 are arranged correspondingly in a splicing manner, the first sealing boss 62 is arranged in a manner of being attached to the table top of the second sealing boss 64, the sealing ring 63 is arranged in a sealing space formed by the first sealing ring groove and the second sealing ring groove in an interference manner.
In a preferred embodiment, a plurality of wave-shaped ribs 112 are disposed on the middle surface of the cartridge body 11 at intervals along the axial direction of the cartridge body 11.
When the device is specifically applied, the length of the existing seismic charge is prolonged to realize the purpose of prolonging the series distance by screwing the pipe orifice extension sleeve 21 at the end of the opening connector 13, the first unidirectional clamping unit 15 and the first sealing unit 16 are sequentially arranged on the end surfaces of the opening connector 13 and the closed connector 12 in a surrounding manner, the second unidirectional clamping unit 22 and the second sealing unit 23 are arranged on the surface of the pipe orifice extension sleeve 21 in a surrounding manner, meanwhile, the first unidirectional clamping unit 15 on the opening connector 13, the third unidirectional clamping unit 43 and the third sealing unit 43 of the first sealing unit 16 are arranged on the inner wall of one end of the first transition sleeve 41, the fourth unidirectional clamping unit 44 and the fourth sealing unit 45 corresponding to the second unidirectional clamping unit 22 and the second sealing unit 23 are also arranged on the inner wall of one end of the first transition sleeve 41, when the first transition sleeve 41 is correspondingly clamped with the opening connector 13 and the pipe orifice extension sleeve 21 through the unidirectional clamping units, the corresponding sealing units are sealed at two sides of the joint of the opening connecting body 13 and the pipe orifice expanding sleeve 21, so that leakage prevention is realized, and good sealing performance is achieved. Meanwhile, the opening connecting body 13 and the pipe orifice expanding sleeve 21 are connected in a threaded mode, the tightness is good, the first transition sleeve 41 outside is sleeved and arranged at the threaded connection position of the opening connecting body 13 and the pipe orifice expanding sleeve 21 in a spanning mode, and direct contact type extrusion damage to the connection position caused by the outside environment is effectively avoided. In addition, when the two corresponding sealing units are sealed, the sealing rings in the two corresponding sealing units have certain elasticity, and impact caused by the fact that the external environment extrudes the first transition sleeve 41 can be buffered. Furthermore, a fifth one-way clamping unit 46 and a fifth sealing unit 47 which are correspondingly matched with the first one-way clamping unit 15 and the first sealing unit 16 of the closed connecting body 12 are arranged on the inner wall of the other end of the first transition sleeve 41, so that the first transition sleeve 41 and the other medicine cartridge unit are connected in series, and meanwhile, the sealing performance and the pressure resistance of two sides of the connection part are enhanced. Further, the sealing unit 50 can be screwed at the abutting joint of the cartridge body 11 and the first transition sleeve 41, or the sealing unit 50 can be screwed at the abutting joint of the cartridge body 11 and the second transition sleeve 42, so that the strength of the joint is enhanced to prevent series connection failure, and meanwhile, the anti-leakage effect is further enhanced. Further, the second transition sleeve 42 is used for realizing that two seismic charge shells are connected in a clamping manner through the second transition sleeve 42 under the condition that the length of the existing seismic charge shell is not required to be prolonged, and the diversity and the practicability of series connection are realized. In addition, when first sealed boss 62 with the sealed boss 64 of second corresponds the amalgamation and sets up, first sealed boss 62 with the mesa laminating of the sealed boss 64 of second sets up, sealing ring 63 interference is located in the sealed space that first sealed annular and second sealing ring groove formed, further set up through two bosss laminating and enclose and close sealing ring 63, further strengthen the effect of antiseep, strengthened the leakproofness of whole subassembly.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A seismic charge housing assembly, comprising: the device comprises a cartridge loading unit, a pipe orifice expanding unit, a sealing unit and a transitional connecting unit;
the cartridge unit comprises a cartridge body, a closed connector and an open connector, wherein the closed connector is integrally arranged at one end of the cartridge body, the open connector is arranged at the other end of the cartridge body, the closed connector and the open connector are arranged on two sides of the cartridge body in a two-stage step manner relative to the cartridge body, the surface of the end, far away from the closed connector, of the open connector is provided with a first external thread, a first one-way clamping unit and a first sealing unit are sequentially arranged on the surface of the end, facing the open connector and the closed connector of the closed connector, of the open connector in a surrounding manner, and an elastic sealing ring is arranged on the first sealing unit in a surrounding manner;
the pipe orifice expanding unit comprises a pipe orifice expanding sleeve, a second one-way clamping unit and a second sealing unit, the second one-way clamping unit and the second sealing unit are arranged on the surface of the pipe orifice expanding sleeve in a surrounding mode, one end of the pipe orifice expanding sleeve is provided with an internal thread screwed with the first external thread of the opening connecting body, and the other end of the pipe orifice expanding sleeve is provided with a first external thread with the same caliber as the opening connecting body;
the sealing unit is in threaded connection with any first external thread so as to seal the cartridge loading unit and enable the detonator to extend into the cartridge loading body;
the transition connection unit comprises a first transition sleeve, a first one-way clamping unit, a third one-way clamping unit and a third sealing unit which correspond to the opening connector are arranged on the inner wall of one end of the first transition sleeve, a fourth one-way clamping unit and a fourth sealing unit which correspond to the second one-way clamping unit and the second sealing unit are arranged on the inner wall of the first transition sleeve, and when the first transition sleeve is correspondingly clamped with the opening connector and the pipe orifice extension sleeve through the one-way clamping unit, the sealing units are sealed at two sides of the joint of the opening connector and the pipe orifice extension sleeve; and a fifth one-way clamping unit and a fifth sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the closed connector are arranged on the inner wall at the other end of the first transition sleeve.
2. The seismic source grain housing assembly of claim 1, further comprising a sealing unit, wherein the first transition sleeve is clamped and abutted against one side of the cartridge body through a pipe orifice expanding sleeve and an opening connector, the outer diameter of the cartridge body is larger than that of the first transition sleeve, the two end surfaces of the cartridge body are respectively provided with second external threads, and the outer walls of the two ends of the cartridge body of the first transition sleeve are respectively provided with third external threads; sealed unit includes first sleeve and the second sleeve of the inside intercommunication of integral type and the coaxial setting, first telescopic internal diameter is greater than second sleeve internal diameter sets up, first sleeve inner wall be provided with the external screw thread of second closes the internal thread of connecting, second sleeve inner wall be provided with the internal thread that the external screw thread of third closes the connection, for sealed unit seal in the conflict end of first transition cover and dress cartridge body.
3. The seismic source charge housing assembly of claim 1, wherein the sealing unit comprises a sealing cover body with an internal thread, and a detonator guide pipe group communicated with the inside of the sealing cover body, the internal thread of the sealing cover body is detachably screwed with any one of the first external threads, and the detonator guide pipe group comprises a first detonator guide pipe and a second detonator guide pipe which are telescopically connected;
when the opening connecting body is communicated with the sealing cover body through the pipe orifice expanding sleeve, the first detonator guide pipe and the second detonator guide pipe in an extending state extend into the cartridge body, and when the opening connecting body is in screwed connection with the sealing cover body, the first detonator guide pipe and the second detonator guide pipe in a contracting state extend into the cartridge body.
4. The seismic charge housing assembly of claim 2, wherein the transition joint unit further comprises a second transition sleeve, and a sixth one-way clamping unit and a sixth sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the closed connector are arranged on the inner wall of one end of the second transition sleeve; a seventh one-way clamping unit and a seventh sealing unit which are correspondingly matched with the first one-way clamping unit and the first sealing unit of the opening connector are arranged on the inner wall of the other end of the second transition sleeve; and fourth external threads are respectively arranged on the outer walls of the two ends of the sleeve body of the second transition sleeve, and are matched with the internal threads of the inner wall of the second sleeve.
5. The seismic source grain housing assembly of claim 4, wherein each of the first, second, third, fourth, fifth, sixth and seventh unidirectional engagement units comprises two first engagement rings arranged in parallel and in a same-direction spaced apart, and when the two unidirectional engagement units are engaged correspondingly, the first engagement rings of different unidirectional engagement units are engaged one-to-one.
6. The seismic source grain housing assembly of claim 4, wherein the first and second sealing units comprise two parallel and spaced first sealing bosses, a first sealing ring groove disposed around the circumferential wall of the first sealing boss, and a sealing ring disposed in the first sealing ring groove and partially extending out of the first sealing ring groove, the third, fourth, fifth, sixth and seventh sealing units comprise two parallel and spaced second sealing bosses, a circle of the second sealing ring groove is disposed around the circumferential wall of the second sealing boss, the height of the second sealing boss is lower than that of the first sealing boss, and when the first sealing boss and the second sealing boss are assembled correspondingly, the first sealing boss and the second sealing boss are assembled together, the sealing ring is arranged in a sealing space formed by the first sealing ring groove and the second sealing ring groove in an interference manner.
7. The seismic charge housing assembly of claim 1, wherein the cartridge body has a plurality of undulating ribs spaced axially along a central surface of the cartridge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485982.1U CN213811986U (en) | 2020-10-30 | 2020-10-30 | Seismic charge shell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485982.1U CN213811986U (en) | 2020-10-30 | 2020-10-30 | Seismic charge shell assembly |
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| Publication Number | Publication Date |
|---|---|
| CN213811986U true CN213811986U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022485982.1U Active CN213811986U (en) | 2020-10-30 | 2020-10-30 | Seismic charge shell assembly |
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| CN (1) | CN213811986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877754A (en) * | 2022-05-24 | 2022-08-09 | 太原理工大学 | Directional blasting energy-gathering pipe and small-aperture blasting process using same |
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2020
- 2020-10-30 CN CN202022485982.1U patent/CN213811986U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877754A (en) * | 2022-05-24 | 2022-08-09 | 太原理工大学 | Directional blasting energy-gathering pipe and small-aperture blasting process using same |
| CN114877754B (en) * | 2022-05-24 | 2024-05-24 | 太原理工大学 | Directional blasting energy-gathering pipe and small-aperture blasting process using same |
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