CN2861477Y - Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing - Google Patents

Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing Download PDF

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Publication number
CN2861477Y
CN2861477Y CN 200520133547 CN200520133547U CN2861477Y CN 2861477 Y CN2861477 Y CN 2861477Y CN 200520133547 CN200520133547 CN 200520133547 CN 200520133547 U CN200520133547 U CN 200520133547U CN 2861477 Y CN2861477 Y CN 2861477Y
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China
Prior art keywords
clip
cavity
detonating fuse
fairlead
seeker
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Expired - Fee Related
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CN 200520133547
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Chinese (zh)
Inventor
张云峰
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Individual
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Individual
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Priority to CN 200520133547 priority Critical patent/CN2861477Y/en
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Abstract

Disclosed is a perforator with clamp fixing detonating cords and special tool fixing clamps, which is mainly used to solve the problem that the existing perforators with pressure wires fixing detonating cords are difficultly processed and result easily in the emergence of the detonating cords caused by pressure wires fallen off due to irregular touch. It is characterized in that the detonating cord groove (12) is clamped and forms by the semi-cylinder at both sides on top of the transmitting explosion hole of each perforation shell, the top of said semi-cylinder is chamfered and forms a chamfering bevel, whose lower part is provided with at least a circular slot along the radial direction, and the clamp (10) is fixed in the slot, wherein the outer diameter of the upper part of the cone surface where the chamfering bevel stands is less than the inner diameter of the clamp (10), and the two semi-cylinders of the detonating cord (9) are fixed under the role of limit of the detonating cord groove (12) and the clamp (10). It is convenient in construction, with a good fixed effect.

Description

With clip fixedly detonating fuse perforator and realize the special tool that clip is fixing
Technical field:
The utility model relates in the oil exploration well logging field sets up the industrial explosive material of passage and the special tool of the inner detonating fuse of fixing this explosive at pit shaft and target zone.
Background technology:
Petroleum perforator is to be widely used at present in the petroleum industry, set up the industrial explosive material of passage at pit shaft and target zone, it can make oil well casing and have the rock perforate of hydrocarbon after being detonated, thereby makes underground oil, air-flow to flow into the oil recovery path by passing hole channel.In the prior art, mainly be the mode of consolidating rope by silk pressing with detonating fuse in the petroleum perforator and being connected of perforating bullet.The solid rope of so-called silk pressing is meant and bores two circular holes arranged side by side near perforating bullet propagation of explosion hole, and is with the bonding adhesive of different heatproofs that " U " sections silk bonding is fixing wherein then.When being connected and fixed detonating fuse, with hand or glue hammer will " U " sections silk to the press-bending of detonating fuse direction, thereby fixing detonating fuse.By this way fixedly the perforator of detonating fuse there are the following problems in its actual use and during the silk pressing component processing, show: 1. when carrying out the perforator engineering construction, because of reasons such as scratching easily make fixing silk pressing distortion, being directed at detonating fuse deviates from, the bonding adhesive of usefulness causes a serious accident 2. because must adapt to different serviceability temperatures, actual temperature may change between 150~250 ℃, bond under the temperature of having relatively high expectations, this temperature condition is unsafe for the processing explosive, and what implement has many restrictions.So the bad control of processing quality of bonding silk pressing causes silk pressing on the perforating bullet housing non-caked firmly, the phenomenon that the perforating bullet that occurs haircuting is scrapped.3. when processing component, because used silk pressing is processed into standard component certain difficulty arranged, criteria of right and wrong part, diversified in specifications causing, hardness has difference, thereby causes really up to the markly not pressing tightly or crossing soft insecure.
The utility model content:
In order to overcome perforator of the prior art with the fixing detonating fuse of silk pressing, wayward and the deficiency that easily in work progress, cause silk pressing to come off to cause detonating fuse to be deviate from of technology on the perforating bullet that silk pressing is fixed on because of scratching, the utility model provide a kind of with clip fixedly detonating fuse perforator and realize the special tool that clip is fixing, this with clip fixedly detonating fuse perforator and realize that special tool that clip is fixed has the characteristics of easy to assembly and good fixing effect.
The technical solution of the utility model is: this kind is with the fixing perforator of detonating fuse of clip, comprise shell body, be built in the perforating bullet that has the detonating fuse groove, detonating fuse and destructor in the shell body, its unique distinction is: the detonating fuse groove is formed by the semicylinder clamping of the both sides, top, propagation of explosion hole that are positioned at every launch hole bullet, form the chamfering inclined-plane behind the break corner of described semicylinder, this bottom, inclined-plane at least radially has an annular groove, and clip is fixed in the groove.Wherein, the top external diameter of the frustum face at place, chamfering inclined-plane is less than the internal diameter of clip, and detonating fuse is fixed in this detonating fuse groove under the position-limiting action of two semicylinders of detonating fuse groove and clip.
For realizing that clip is fixed in the groove fast, the utility model also provides a kind of special tool, and this kind instrument is made up of handle, depression bar, fairlead, seeker.Wherein be fixed connection between handle and the depression bar, fairlead is that the center connects, lower end has externally threaded cylinder, this is connected cavity be called the fairlead cavity.The upper end of seeker have with fairlead on the internal thread that is complementary of external screw thread, the bottom of internal thread is the arch cavity of a hollow, this cavity is called the seeker cavity, the fairlead cavity has identical central axis with the seeker cavity, the diameter of seeker cavity is not less than the diameter of fairlead cavity at least, behind the spiral marking connection, depression bar vertically places in the fairlead cavity between fairlead and the seeker, and it can slide at impressed pressure or lifting force effect lower edge fairlead cavity inner wall.The clip group of the side kiss-coating that will be made of some clips before the work places the below of depression bar in the fairlead cavity.
In addition, can have supporting surface and two footing of an arch in the lower end of seeker, the outlet of seeker cavity is exposed on this supporting surface.
The utlity model has following beneficial effect: take the perforator of such scheme owing on the outer wall of two semicylinders of every launch hole bullet detonating fuse groove, have the groove that can embed for clip, clip embeds the back and just tightly is fixed in the groove under the effect of elastic force, like this, detonating fuse can tightly be fixed in the detonating fuse groove of every launch hole bullet under the pressure effect of clip.In addition, the groove that embeds for clip is lower than detonating fuse groove end face, can not jump out in the time of can making clip in working order, and then guarantee in the work progress of perforator, situation former because of scratching etc. thereby that detonating fuse is deviate to cause a serious accident can not take place again because of collision, the friction of dress during rifle.And this fixed form is fixed than silk pressing, does not use viscose glue, therefore can not be subjected to the influence of formation temperature, has guaranteed solid Suo Zhiliang.In addition, because the utility model provides the special tool that this clip is installed simultaneously, when adding cost kind perforator, the flexible collar of discharging in groups of side kiss-coating is put into the fairlead of this instrument, depressing handle then can be pressed into each flexible collar respectively in the groove on every launch hole bullet, improve production efficiency, simplified processing technology.
Description of drawings:
Accompanying drawing 1 is the interior fixedly structural representation of detonating fuse of the perforator described in the utility model.
Accompanying drawing 2 is structural representations of the fixing special tool of the realization clip described in the utility model.
Accompanying drawing 3 is structure sectional views of the fixing special tool of the realization clip described in the utility model.
Accompanying drawing 4 is the structural representations after the perforator inside collar described in the utility model is pressed on the perforating bullet.
Accompanying drawing 5 is the structural representations after detonating fuse is pressed on the perforating bullet by clip in the perforator described in the utility model.
Accompanying drawing 6 is structural representations of the perforator described in the utility model.
1-handle among the figure, 2-depression bar, 3-fairlead, the 4-seeker, 5-seeker footing, 6-seeker arcuate surface, 7-fairlead cavity, 8-perforating bullet housing, 9-detonating fuse, the 10-clip, the last chamfer of 11-inclined-plane, 12-detonating fuse groove, chamfer inclined-plane among the 13-, 14-middle-end groove, 15-clip group, 16-upper end groove, 17-seeker cavity, 18-propagation of explosion hole.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
Perforator is a kind ofly to be applied in the well-completing process with the sealing of opening oil-gas Layer and pit shaft, to set up passage, makes oil, gas flow into the destructor of pit shaft.It is mainly assembled by perforating bullet, detonating fuse and the body of a gun, rifle head, gun breech, firing mount.During the perforator assembling, multiple perforating bullet is contained on the firing mount, couples together by special-purpose member, make all perforating bullets all pass through a detonating fuse and ignite with detonating fuse and perforating bullet.
As Fig. 1 in conjunction with shown in Figure 6, this kind with the fixing perforator of detonating fuse of clip, comprise shell body, be built in the perforating bullet that has detonating fuse groove 12 8, detonating fuse 9, clip 10 and other accessories in the shell body, wherein detonating fuse groove 12 is formed by two cylindrical support body clampings of being cut by the part side of the both sides, 18 top that are positioned at every launch hole bullet 8 propagation of explosion holes.The structure of detonating fuse groove 12 also can be described as by the cylinder that is positioned at 18 tops, propagation of explosion hole, connects excision at column side face from the centre by rectangle and forms, and forms the chamfering inclined-plane behind the break corner of described supporter, and the angle on this inclined-plane is usually less than 45 degree.This bottom, inclined-plane at least radially has a groove, and this groove is along the cartridge outer surface ring cutting, and the ring cutting depth of groove is greater than the clip radius, and recess width is 2-3 a times of clip thickness, and clip 10 just is fixed in this groove.Wherein, the top external diameter of the frustum face at place, chamfering inclined-plane is less than the internal diameter of clip 10, frustum bottom external diameter is greater than footpath in the clip, detonating fuse 9 is placed in the detonating fuse groove, clip 10 just can be forced down on inclined-plane, impressed pressure effect lower edge like this, and clip prolongs in the process of inclined-plane downslide, because the effect clip on inclined-plane opens, in being pressed into groove, clip will lean on the elastic shrinkage locking of self.Like this detonating fuse in detonating fuse groove 12 9 clip 10 compress with position-limiting action under be fixed.
Consider in the practical operation, the thickness of detonating fuse is different, for reaching fastening purpose, can consider to be improved on the basis of the above, promptly carry out further perfect: promptly at first forming chamfer inclined-plane 11 behind the break corner of described supporter according to following scheme, this bottom, inclined-plane radially has two grooves, chamfer inclined-plane 13 during wherein the bottom of upper end groove 16 forms after chamfering, its underpart has middle-end groove 14, and the end face place radius of a circle on middle chamfer inclined-plane 13 is greater than place, the bottom surface radius of a circle on last chamfer inclined-plane 11.Like this, can select the specification of clip 10 according to the thickness of detonating fuse, for thick detonating fuse, can select the clip that is complementary with upper end groove 16, for thinner detonating fuse, can select the clip that matches with middle-end groove 14, be pressed into different clips according to the detonating fuse of different thicknesses like this and can realize closely fixing purpose.
In addition, the thickness standard of considering the special-purpose detonating fuse of oil gas well is different, external diameter differs 1-1.5mm usually, for reaching fastening purpose, can consider to be improved on the basis of the above, promptly carry out perfect according to following scheme: promptly the width of detonating fuse groove 12 is processed into and can holds the detonating fuse of thick standard, the ring cutting groove of cartridge outer surface, be processed into the degree of depth equally greater than clip section radius, recess width is 2-3 a times of clip thickness, and clip is processed into the form about thickness 1mm.Like this, can select to be pressed into the quantity of clip 10 according to the thickness of detonating fuse, for thick detonating fuse, can be pressed into single clip, for thinner detonating fuse, can once be pressed into 2-3 clip, the clip that is pressed into varying number according to the detonating fuse of different thicknesses can be realized closely fixing purpose like this.
Here, clip must be the elastic body that possesses certain tension force, is preferably made through heat treatment by spring steel wire or sheet, and profile is opening circle or C shape part, the cross section can be rectangle, circle, square, subcircular, trapezoidal or rectangle and shapes such as camber line combines, and thickness is less than 2mm; External diameter all has tolerance in the annulus clip, is convenient to form standard component, is convenient to simultaneously form the clip group at ring-shaped clip outside gluing.The clip group is that the concentricity axle of clip is arranged in parallel, and outside kiss-coating makes it to form a row behind the staple kiss-coating, uses in groups.
More than be about on the perforator fixedly detonating fuse connect the description of the clip of every launch hole bullet, but how can be accurately and efficiently during at these perforators of assembling little clip is installed in the particular groove on every launch hole bullet and just becomes technical issues that need to address again with these, just provide a kind of detonating fuse below and realize the special tool that clip is fixing above-mentioned perforator.In conjunction with shown in Figure 3, this kind instrument is made up of handle 1, depression bar 2, fairlead 3, seeker 4 as Fig. 2.Being fixed connection between handle 1 and the depression bar 2 wherein, is spiral marking connection between fairlead 3 and the seeker.Fairlead 3 is for straight-through circular cavity is contained at the center, the lower end has externally threaded cylinder, and we can be called fairlead cavity 7 with this straight-through cavity.The upper end of seeker 4 have with fairlead 3 on the internal thread that is complementary of external screw thread, the bottom of internal thread is the circular cavity of a hollow, we can be called this cavity seeker cavity 17.After the connection, fairlead cavity 7 has identical central axis with seeker cavity 17, the diameter of seeker cavity 17 is not less than the diameter of fairlead cavity 7 at least, can guarantee that like this two half-cylindrical supporters that constitute the detonating fuse groove on the perforating bullet can stretch in the seeker cavity 17.Between fairlead 3 and the seeker 4 before the spiral marking connection, at first depression bar 2 should vertically place in the fairlead cavity 7, at this moment, it can slide up and down at the effect lower edge of impressed pressure or lifting force fairlead cavity 7 inwalls, but can not swing, and can guarantee the efficient of outer pressurization side conduction like this, after this, the clip group 15 that is made of some clips 10 should be placed the below of depression bar 2 in the fairlead cavity 7, and then fairlead 3 and seeker 4 are tightly linked, after this just can begin clip has been installed.
Special tool recited above can well have been finished the installation work of perforator front band, but a weak point is arranged, that is exactly that operating personnel can't see the concrete installation situation of clip and easily rock during detonating fuse in extruding, therefore, the designer has proposed further prioritization scheme again at this programme.Promptly have supporting surface 6 and two footing 5 of an arch in the lower end of seeker 4, the outlet of seeker cavity 16 is exposed on this supporting surface 6.Like this when the front end sleeve of seeker cavity 17 is on perforating bullet detonating fuse groove 12 place cylindrical body, the arch support face 6 of this seeker 4 is just striden and is crouched on detonating fuse, at this moment depress handle, when pressure is applied on the clip group 15, clip group 15 moves downward, when the nethermost clip 10 in the clip group touches the chamfering inclined-plane, because frustum face top external diameter is less than the clip internal diameter, lower outer diameter is greater than footpath in the clip, therefore clip opens, downward along the inclined-plane, the groove on arriving cylinder is in the snap-ring groove, after this because the effect of the elastic shrinkage of clip itself slips into groove, and be stuck in the groove, this process operation personnel can know and see.
In addition, this kind instrument also can be processed into other forms, for example can design can and to drain into many group clip folders, hang over the fairlead side, and the fairlead side open a kerf and be pressed into standby clip group from side direction, realize as the bullet mode that goes up automatically of firearms, but basic function then still be a basis
The mode that embodiment narrated.

Claims (7)

1, a kind of with the fixing perforator of detonating fuse of clip, comprise shell body, be built in the perforating bullet that has detonating fuse groove (12) (8) in the shell body, detonating fuse (9) and other accessories, it is characterized in that: detonating fuse groove (12) is formed by the semicylinder clamping of the both sides, top, propagation of explosion hole that are positioned at every launch hole bullet, form the chamfering inclined-plane behind the break corner of described cylinder, this bottom, inclined-plane at least radially has an annular groove, clip (10) is fixed in the groove, wherein, the top external diameter of the frustum face at place, cylinder break corner inclined-plane is less than the internal diameter of clip (10), and detonating fuse (9) is fixed under the position-limiting action of two semicylinders of detonating fuse groove (12) and clip (10).
2, according to claim 1 a kind of with the fixing perforator of detonating fuse of clip, it is characterized in that: form behind the break corner of described cylinder and go up chamfer inclined-plane (11), this bottom, inclined-plane radially has two grooves, chamfer inclined-plane (13) during wherein the bottom of upper end groove (16) forms after chamfering, its underpart has middle-end groove (14), and the end face place radius of a circle on middle chamfer inclined-plane (13) is greater than place, the bottom surface radius of a circle on last chamfer inclined-plane (11).
3, according to claim 1 and 2 a kind of with the fixing perforator of detonating fuse of clip, it is characterized in that: the shape of clip (10) is the annular that does not seal.
4, according to claim 1 and 2 a kind of with the fixing perforator of detonating fuse of clip, it is characterized in that: the shape of clip (10) is that an end has opening " C " shape elastic circular ring.
5, according to claim 1 and 2 a kind of with the fixing perforator of detonating fuse of clip, it is characterized in that: elastic ring clip (10) arranged in co-axial alignment side kiss-coating forms clip group (13).
6, a kind of detonating fuse to perforator described in the claim 1 is realized the special tool that clip is fixing, it is characterized in that: this kind instrument is by handle (1), depression bar (2), fairlead (3), seeker (4) is formed, be fixed connection between handle (1) and the depression bar (2) wherein, fairlead (3) connects for the center, the lower end has externally threaded cylinder, this is connected cavity be called fairlead cavity (7), the upper end of seeker (4) have with fairlead (3) on the internal thread that is complementary of external screw thread, the bottom of internal thread is the arch cavity of a hollow, this cavity is called seeker cavity (17), fairlead cavity (7) has identical central axis with seeker cavity (17), the diameter of seeker cavity (17) is not less than the diameter of fairlead cavity (7) at least, between fairlead (3) and the seeker (4) behind the spiral marking connection, depression bar (2) vertically places in the fairlead cavity (7), can slide along fairlead cavity (7) inwall, then place the below of the interior depression bar of fairlead cavity (7) (2) by the clip group (15) of some clips (10) formation.
7, realize the special tool that clip is fixing according to the detonating fuse described in the claim 6 to perforator, it is characterized in that: the lower end of seeker (4) has supporting surface (6) and two footing (5) of an arch, and the outlet of seeker cavity (17) is exposed on this supporting surface (6).
CN 200520133547 2005-12-02 2005-12-02 Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing Expired - Fee Related CN2861477Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520133547 CN2861477Y (en) 2005-12-02 2005-12-02 Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520133547 CN2861477Y (en) 2005-12-02 2005-12-02 Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing

Publications (1)

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CN2861477Y true CN2861477Y (en) 2007-01-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220694A (en) * 2012-02-15 2014-12-17 普拉德研究及开发股份有限公司 Multi-element hybrid perforating apparatus
CN109230318A (en) * 2018-09-27 2019-01-18 禹州市昆仑模具有限公司 A kind of turning rolls

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220694A (en) * 2012-02-15 2014-12-17 普拉德研究及开发股份有限公司 Multi-element hybrid perforating apparatus
CN109230318A (en) * 2018-09-27 2019-01-18 禹州市昆仑模具有限公司 A kind of turning rolls

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee