CN104075622A - Launch barrel device with inner surface resisting gas flushing - Google Patents
Launch barrel device with inner surface resisting gas flushing Download PDFInfo
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- CN104075622A CN104075622A CN201410276971.9A CN201410276971A CN104075622A CN 104075622 A CN104075622 A CN 104075622A CN 201410276971 A CN201410276971 A CN 201410276971A CN 104075622 A CN104075622 A CN 104075622A
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Abstract
The invention relates to a launch barrel device with an inner surface resisting gas flushing. The launch barrel device comprises a first barrel section, a second barrel section, and a third barrel section from top to bottom, wherein the first, second, and third barrel sections are fixedly connected with one another through a first rear end frame, a second front end frame, a second rear end frame, and a third front end frame, an upper end hole of the first barrel section is provided with a first front end frame for being connected with a front cover, a lower end hole of the third barrel section is provided with a third rear end frame for being connected with a rear cover, glass cloth protective layers are adhered to inner walls of the first and second barrel sections, epoxy varnish layers are coated on inner surfaces of the glass cloth protective layers, the first front end frame, the first rear end frame, the second front end frame, and the second rear end frame, and zinc chromate primer layers are coated on inner surfaces of the third barrel section, the third front end frame, and the third rear end frame. The launch barrel device with the inner surface resisting gas flushing is simple in structure, capable of ensuring that the inner surface of a launch barrel is prevented from being flushed, ablated and destroyed, recyclable, simple in maintenance process, and low in cost, and needs no maintenance, and the barrel sections are easy to connect.
Description
Technical field
The present invention relates to weapon technologies field, particularly relate to a kind of guided missile or torpedo launcher.
Background technology
Launching tube device is that aluminium alloy structure and composite structure assemble, and it is very inconvenient that such material directly connects cylinder section each other, connects also more complicated of technique.In addition, launching tube inside launch fuel gas temperature up to more than 1000 DEG C, repeatedly launch in use procedure, launching tube inner surface can constantly be subject to washing away of high-temperature fuel gas, no matter be aluminum alloy materials or by fiber and the synthetic composite of resin, be subject to high-temperature fuel gas to wash away the rear pit that all there will be, the phenomenons such as bulge, resin in composite is burnt by high-temperature fuel gas or there will be lamination after being burnt, the appearance of these situations all makes the inner surface of launching tube no longer smooth, in cylinder, gas motion has some setbacks, have a strong impact on repeatedly using and paying of launching tube device.And, after being washed, the material failure of launching tube inner surface, use if continue, must repair inner surface, still, because the movement velocity of gas molecule in cylinder differs, so the position, the order of severity that are washed also differ, this just makes maintenance process complex, maintenance cycle is long, maintenance cost is high.
Summary of the invention
The technical problem to be solved in the present invention be to provide between a kind of simple in structure, cylinder section, connect easy, can ensure that launching tube inner surface is not washed ablative degradation, do not need repairing, the launching tube device that the anti-combustion gas of a kind of inner surface that service procedure is simple, efficiency is high, cost is low that can be repeatedly used is washed away.
The launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, comprise cylindrical shell, described cylindrical shell comprises first section from top to bottom, second section, the 3rd section, wherein: on the upper port outer peripheral face of described first section, fix sheathed the first front end frame, described the first front end frame top is fixedly connected with protecgulum, on the outer peripheral face of the junction of described first section and described second section, fix sheathed the first back-end box and be fixedly connected on the second front end frame of described the first back-end box below, on the lower port outer peripheral face of described second section, fixed cover is provided with the second back-end box, described the first front end frame, the first back-end box, the second front end frame, the second back-end box is circular and structure is identical, the upper port place butt welding of described the 3rd section is connected to the 3rd front end frame, the butt welding of lower port place is connected to the 3rd back-end box, described the second back-end box is fixedly connected with described the 3rd front end frame, the below of described the 3rd back-end box is fixedly connected with bonnet.
Common first section, second section are composite, the 3rd section is aluminum alloy materials, between cylinder section, directly connect and be difficult for, the launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, be fixedly connected with the second front end frame by the first back-end box and the second back-end box is fixedly connected with the 3rd front end frame, form cylindrical shell, the connected mode between cylinder section is simple, convenient, for operation provides a great convenience, save cylinder section built-up time.Simultaneously, the first front end frame at first section upper port place is convenient to launching tube device and external equipment, as, the connections such as filling equipment, are also convenient to be fixedly connected with protecgulum, then in the 3rd section, the 3rd back-end box are set and connect bonnet, install after protecgulum and bonnet, whole cylindrical shell, in closed state, has been avoided the impact of external environment on gas motion in cylindrical shell, has ensured the launching effect of launching tube device.
The launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, glass cloth overcoat has been sticked on the inwall of wherein said first section, second section, on the inner surface of described glass cloth overcoat, the first front end frame, the first back-end box, the second front end frame, the second back-end box, be coated with epoxy resin varnish layer, on the inner surface of described the 3rd front end frame, the 3rd back-end box, the 3rd section, be coated with zinc chromate primer layer.
Glass cloth has the characteristics such as excellent tensile strength, friction resistant, high temperature resistant, solvent resistance, insulation, resistance to combustion be good, repeatedly reusable.Epoxy resin varnish has good adhesive force and excellent physical property and mechanical performance, and there is the performances such as good corrosion resistance, resistance to water and stronger acid and alkali resistance, and it is more smooth to apply rear surface, such characteristic just in time meets the high request of first, second section to cylinder inboard wall smoothness, and first, second section inner-wall material is epoxy resin, this material is close with epoxy resin varnish character, has good compatibility, adhesive effect is better, after being washed away, is difficult for peeling off.Fuel gas temperature in the 3rd section, scouring intensity are all higher than first, second section, therefore, need to use the zinc chromate primer compared with epoxy resin varnish with the peel resistant strength of better antiseptic property, more excellent chemical stability, stronger bonding force, higher impact strength and Geng Gao, and because the resin material of the 3rd section inwall is close with zinc chromate primer character, there is good compatibility, thereby adhesive effect is good, be heated or washed away after be difficult for peeling off.The antiscour protective layer of glass cloth and epoxy resin varnish layer, zinc chromate primer layer composition is set at cylinder inboard wall; greatly improve the high temperature resistance performance of flushing of cylinder inner surface; avoid high-temperature fuel gas to wash away and burnt out the problem such as pit, bulge that cylinder inner surface occurs; make cylinder inner surface remain smooth; gas motion is smooth and easy; and the high-temperature fuel gas that can stand the long period washes away; ensure that emitter can repeatedly use; and in operation process, can not damage cylindrical shell by surface; thereby launching tube do not need repairing, greatly save launch cost.
Preferably, the launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, the thickness of wherein said glass cloth overcoat is 0.2～0.3mm, and the thickness of described epoxy resin varnish layer is 0.1～0.3mm, and the thickness of described zinc chromate primer layer is 0.1～0.3mm.Common launching tube service test number of times is generally 3 times, and such setting can meet test requirements document, avoids the blocked up waste that causes material.
Preferably, the launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, the glass cloth in wherein said glass cloth overcoat is satin weave glass cloth.Satin weave glass cloth good toughness, can bear certain distortion, is not easy, because distortion damages, further to have improved the scour resistance of cylinder inboard wall while being heated.
Preferably, the launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, the number of plies of wherein said glass cloth overcoat, epoxy resin varnish layer, zinc chromate primer layer is at least 1 layer.
The launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, wherein said the first front end frame, the first back-end box, the second front end frame, the second back-end box, the 3rd front end frame, on the 3rd back-end box, be equipped with the collar flange extending radially outwardly along described cylindrical shell, described collar flange on described the first back-end box and described the second front end frame is in contact with one another, described the second back-end box contacts with the described collar flange on described the 3rd front end frame, on described collar flange, be equipped with through hole, securing member is through described through hole, respectively by described the first back-end box and described the second front end frame, described the second back-end box is fixedly connected with described the 3rd front end frame.The mode coordinating by securing member and collar flange is fixed together associated end frame, easy to operate, technique is simple, ensure the stability and the fastness that between end frame, connect, ensured the stability of cylindrical shell entirety when high-temperature gas moves in cylinder, improved the security performance of launching tube device.
The launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, wherein said the first front end frame, the first back-end box, the second front end frame, on the inner surface of the second back-end box, after gluing, be set in respectively described first section, on the outer peripheral face of second section, with described first section, second section is adhesively fixed together, described the first front end frame, the first back-end box, the second front end frame, the part that the second back-end box overlaps with described cylindrical shell is located at described the first front end frame by ring respectively, the first back-end box, the second front end frame, Closely locking nut and high locked bolts that the lopping of the second back-end box periphery is arranged are fixed together.Bonding being set on cylindrical shell outer peripheral face after end frame inner surface gluing, with the Closely locking nut of lopping, end frame and cylindrical shell are fixed together, make the connection between cylindrical shell more firm, the stability of whole cylindrical shell is higher, connection between cylinder section is tightr, and the air-tightness of cylindrical shell is better.
The launching tube device that the anti-combustion gas of a kind of inner surface of the present invention is washed away, the periphery of wherein said the 3rd section is provided with two revolution journal stirrups, and described each revolution journal stirrup comprises two auricles that are parallel to each other, and on described two auricles, offers the symmetrical earhole in position.When transport launching tube device, can launching tube device and haulage vehicle be linked together fast by revolution journal stirrup, and can regulate the position of cylindrical shell.
Preferably, described the first front end frame, the first back-end box, the second front end frame, the second back-end box, the 3rd front end frame, the 3rd back-end box are aluminum alloy material.The end mount structure of aluminum alloy material is simple, production and processing convenient, punching easily, while being arranged on cylinder section junction, the intensity of connecting portion is higher, can effectively ensure the steadiness that cylindrical shell connects.
The launching tube device difference from prior art that the anti-combustion gas of a kind of inner surface of the present invention is washed away is that launching tube device that the anti-combustion gas of a kind of inner surface of the present invention washes away adopts link frame that each section is coupled together to formation cylindrical shell, and the overcoat of glass cloth and epoxy enamelled coating composition is set on the inner surface of cylindrical shell, not only ensure the stability of cylindrical shell, and improve the scour resistance of cylinder inner surface, avoid high-temperature fuel gas to wash away damage cylinder inner surface, save the maintenance work of cylinder inner surface, for operation provides a great convenience, greatly reduce launch cost.
Be described further below in conjunction with the accompanying drawing launching tube device that anti-combustion gas is washed away to a kind of inner surface of the present invention.
Brief description of the drawings
Fig. 1 is the axonometric drawing of the launching tube device that washes away of the anti-combustion gas of a kind of inner surface of the present invention;
Fig. 2 is the another axonometric drawing of the launching tube device that washes away of the anti-combustion gas of a kind of inner surface of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the A-A profile of Fig. 3;
Fig. 5 is the partial enlarged drawing at B place in Fig. 4;
Fig. 6 is the partial enlarged drawing at C place in Fig. 4.
Detailed description of the invention
As Fig. 1 to Fig. 3, shown in Fig. 5, the launching tube device that the anti-combustion gas of a kind of inner surface is washed away, comprise cylindrical shell 100, cylindrical shell 100 comprises first section 1 from top to bottom, second section 2, the 3rd section 3, on the upper port outer peripheral face of first section 1, go back fixed cover and be provided with the first front end frame 12, the first front end frame 12 is circular and is provided with the first collar flange 121 extending radially outwardly along cylindrical shell 100, the first collar flange 121 is provided with connecting hole, be used for connecting external equipment, as filling equipment or protecgulum (not illustrating in figure), be fixedly connected with after protecgulum (not illustrating in figure), by the upper port sealing of first section 1.On the first front end frame 12 inner surfaces, after gluing, be set on the outer peripheral face of first section 1, together with being adhesively fixed with first section 1, Closely locking nut 8 and high locked bolts 81 that the part that the first front end frame 12 overlaps with first section 1 is located at the lopping distribution of the first front end frame 12 peripheries by ring are fixed together, jointly coordinate with Closely locking nut 8, high locked bolts 81 by gluing is bonding, make the first front end frame 12 very firm with being connected of first section 1.
On the outer peripheral face of the junction of first section 1 and second section 2, fix sheathed the first back-end box 13, the first back-end box 13 and to be positioned at the structure of the second front end frame 22 of its below identical with the structure of above-mentioned the first front end frame 12, and, the first back-end box 13, the second front end frame 22 be also by gluing and Closely locking nut 8, high locked bolts 81 is common is separately fixed on the outer peripheral face of the lower port of first section 1 and the upper port of second section 2 after coordinating, set-up mode is specifically set the same, does not repeat.Again in conjunction with shown in Fig. 4, Fig. 5, the second collar flange 131 on the first back-end box 13 contacts with the 3rd collar flange 221 on the second front end frame 22, on the second collar flange 131 and the 3rd collar flange 221, all offer through hole, bolt 7 is through through hole, by coordinating with nut 71, the first back-end box 13 and the second front end frame 22 are fixed together.
In above-described embodiment only to arrange that two circle Closely locking nuts 8 and high locked bolts 81 describe as example, but detailed description of the invention is not limited to this, in actual job process, the Closely locking nut 8 that the number of turns of Closely locking nut 8 and high locked bolts 81 and every circle are arranged and the quantity of high locked bolts 81 can suitably be adjusted according to the size of load.Equally, above-mentioned bolt 7, nut 71 also can be replaced by the common securing member that the parts of separation can be fixed together, as screw and adapter thereof.
As shown in Figure 1, Figure 2, Figure 6 shows, on the lower port outer peripheral face of second section 2, fixed cover is provided with the structure of the second back-end box 23, the second back-end box 23 and all identical with above-mentioned the first back-end box 13 with the mode that is fixedly connected with of second section 2, does not repeat herein.The upper port place butt welding of the 3rd section 3 is connected to the 3rd front end frame 31, the butt welding of lower port place is connected to the 3rd back-end box 32, collar flange and connecting hole also can be set on the 3rd back-end box 32, set-up mode is with above-mentioned the first front end frame 12, bonnet (not illustrating in figure) is fixedly connected with thereunder, for sealing the lower port of the 3rd section 3, install after above-mentioned protecgulum (not illustrating in figure) and bonnet (not illustrating in figure), whole cylindrical shell 100 is in closed state.The 3rd front end frame 31 is provided with the 5th collar flange 311, the second back-end box 23 is provided with the 4th collar flange 231, the second back-end box 23 and the 3rd front end frame 31 being fixed together by the 4th collar flange 231 and the 5th collar flange 311, concrete connected mode is identical with the connected mode of the second front end frame 22 with the first back-end box 13, does not repeat herein.
In addition, as shown in Figure 1, for the ease of being connected with haulage vehicle in transit, the periphery of the 3rd section 3 is provided with two revolution journal stirrups 33, and each revolution journal stirrup 33 comprises two auricles that are parallel to each other, and offers the symmetrical earhole in position on two auricles.Be different from the connected mode of wearing connecting axle after common, when transport launching tube device, can first connecting axle be passed to two auricles, then, the arc brace on haulage vehicle is placed in the middle of two auricles and embraces connecting axle, and cylindrical shell 100 is connected on vehicle, along with revolution journal stirrup 33 rotates around connecting axle, the position of cylindrical shell 100 has corresponding variation, to meet job requirements, for operation facilitates.
Again in conjunction with shown in Fig. 4, Fig. 5, Fig. 6, the glass cloth overcoat 4 that has been sticked on the inwall of first section 1, second section 2, this glass cloth overcoat 4 can with first section 1, second section 2 one curing molding, can not come off with glass cloth after ensureing to be sticked.Before forming tube section, by first lay on mould of glass cloth, and then forming tube section, so just do not need additional technique process, simplified the glass cloth technique that is sticked, and the increase cost that is additionally sticked.On the inner surface of glass cloth overcoat 4, the first front end frame 12, the first back-end box 13, the second front end frame 22, the second back-end box 23, be all also coated with epoxy resin varnish layer 5, on the inner surface of the 3rd section 3, the 3rd front end frame 31, the 3rd back-end box 32, be coated with zinc chromate primer layer 6, like this, first section 1, second section 2 are followed successively by epoxy resin varnish layer 5, glass cloth overcoat 4, cylinder section inwall from inside to outside, and the 3rd section 3 is followed successively by zinc chromate primer layer 6, cylinder section inwall from inside to outside.Wash away the order of severity according to the ablation of different cylinder sections; on the inwall of each section, increase the scour protection layer of unlike material; the high temperature resistance combustion gas ablation scouring capability that has further strengthened cylindrical shell 100 entirety, has ensured repeatedly using and paying of launching tube device.
For meeting general launch requirements, the thickness of above-mentioned glass cloth overcoat 4 is 0.2～0.3mm, and the thickness of epoxy resin varnish layer 5 is 0.1～0.3mm, and the thickness of zinc chromate primer layer 6 is 0.1～0.3mm.But detailed description of the invention is not limited to this, along with the variation of operation situation and launch requirements, the thickness of each layer can suitably be adjusted, to obtain different erosion resistibilities, ensure that in limited access times, launching tube inwall can not be washed damage, ensure, under the prerequisite of scour resistance, to reduce the use of material as far as possible, avoid waste.
Preferably, glass cloth in glass cloth overcoat 4 is satin weave glass cloth, satin weave glass cloth is stronger compared with plain weave glass cloth toughness, after bearing high temperature, amplitude of deformation is larger, when cylindrical shell 100 is subject to high temperature to produce certain distortion, the glass cloth being solidified togather with it can not be pulled thereupon being out of shape damage, thereby has further strengthened the scour resistance of cylindrical shell 100.
Preferably, the number of plies of glass cloth overcoat 4, epoxy resin varnish layer 5, zinc chromate primer layer 6 all can be set to 1～3 layer.The number of plies is thicker, it is just better that anti-impact is rinsed performance, in actual job process, can select the suitable number of plies according to factors such as flushing time, temperature height, the number of plies also can be selected more than 3 layers, also can select below 3 layers, to avoid the number of plies to cross thin can not meeting the demands, or the number of plies is blocked up causes unnecessary waste.
Preferably, above-mentioned the first front end frame 12, the first back-end box 13, the second front end frame 22, the second back-end box 23, the 3rd front end frame 31, the 3rd back-end box 32 are aluminum alloy material.
Launching tube in above-described embodiment is only a kind of embodiment, in fact, the quantity of above-mentioned cylinder section can change, the material of each section also can be distinguished metal material or the composites such as free aluminium alloy, the order up and down of each section also can change, for example, first section 1 aluminium alloy, second section 2 are selected composite, the 3rd section 3 aluminium alloys, in the 3rd section 3 belows or first section 1, can connect the 4th section by aluminium alloy end frame again, the 4th section can be selected composite, by that analogy.Wherein, the connected mode between each section is the same, when cylinder section is selected composite; add epoxy resin varnish layer with glass cloth and do scour protection layer, when aluminium alloy material, do scour protection layer with zinc chromate primer layer; the set-up mode of scour protection layer is the same, does not repeat one by one herein.
Above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skill in the art make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (9)
1. the launching tube device that the anti-combustion gas of inner surface is washed away, comprise cylindrical shell (100), described cylindrical shell (100) comprises first section (1) from top to bottom, second section (2), the 3rd section (3), it is characterized in that: on the upper port outer peripheral face of described first section (1), fix sheathed the first front end frame (12), described the first front end frame (12) top is fixedly connected with protecgulum, on the outer peripheral face of the junction of described first section (1) and described second section (2), fix sheathed the first back-end box (13) and be fixedly connected on the second front end frame (22) of described the first back-end box (13) below, on the lower port outer peripheral face of described second section (2), fixed cover is provided with the second back-end box (23), described the first front end frame (12), the first back-end box (13), the second front end frame (22), the second back-end box (23) is circular and structure is identical, the upper port place butt welding of described the 3rd section (3) is connected to the 3rd front end frame (31), the butt welding of lower port place is connected to the 3rd back-end box (32), described the second back-end box (23) is fixedly connected with described the 3rd front end frame (31), the below of described the 3rd back-end box (32) is fixedly connected with bonnet.
2. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 1 is washed away, it is characterized in that: described first section (1), glass cloth overcoat (4) has been sticked on the inwall of second section (2), described glass cloth overcoat (4), the first front end frame (12), the first back-end box (13), the second front end frame (22), on the inner surface of the second back-end box (23), be coated with epoxy resin varnish layer (5), described the 3rd front end frame (31), the 3rd back-end box (32), on the inner surface of the 3rd section (3), be coated with zinc chromate primer layer (6).
3. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 2 is washed away, it is characterized in that: the thickness of described glass cloth overcoat (4) is 0.2～0.3mm, the thickness of described epoxy resin varnish layer (5) is 0.1～0.3mm, and the thickness of described zinc chromate primer layer (6) is 0.1～0.3mm.
4. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 3 is washed away, is characterized in that: the glass cloth in described glass cloth overcoat (4) is satin weave glass cloth.
5. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 4 is washed away, is characterized in that: the number of plies of described glass cloth overcoat (4), epoxy resin varnish layer (5), zinc chromate primer layer (6) is at least 1 layer.
6. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 5 is washed away, it is characterized in that: described the first front end frame (12), the first back-end box (13), the second front end frame (22), the second back-end box (23), the 3rd front end frame (31), on the 3rd back-end box (32), be equipped with along the collar flange extending radially outwardly of described cylindrical shell (100), described the first back-end box (13) is in contact with one another with the described collar flange on described the second front end frame (22), described the second back-end box (23) contacts with the described collar flange on described the 3rd front end frame (31), on described collar flange, be equipped with through hole, securing member (7) is through described through hole, respectively by described the first back-end box (13) and described the second front end frame (22), described the second back-end box (23) is fixedly connected with described the 3rd front end frame (31).
7. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 6 is washed away, it is characterized in that: described the first front end frame (12), the first back-end box (13), the second front end frame (22), on the inner surface of the second back-end box (23), after gluing, be set in respectively described first section (1), on the outer peripheral face of second section (2), with described first section (1), second section (2) is adhesively fixed together, described the first front end frame (12), the first back-end box (13), the second front end frame (22), the part that the second back-end box (23) overlaps with described cylindrical shell (100) is located at described the first front end frame (12) by ring respectively, the first back-end box (13), the second front end frame (22), Closely locking nut (8) and high locked bolts (81) that the lopping of the second back-end box (23) periphery is arranged are fixed together.
8. the launching tube device that the anti-combustion gas of a kind of inner surface according to claim 7 is washed away, it is characterized in that: the periphery of described the 3rd section (3) is provided with two revolution journal stirrups (33), described each revolution journal stirrup (33) comprises two auricles that are parallel to each other, and on described two auricles, offers the symmetrical earhole in position.
9. the launching tube device washing away according to the anti-combustion gas of a kind of inner surface described in any one in claim 1 to 8, is characterized in that: described the first front end frame (12), the first back-end box (13), the second front end frame (22), the second back-end box (23), the 3rd front end frame (31), the 3rd back-end box (32) are aluminum alloy material.
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| CN201410276971.9A CN104075622B (en) | 2014-06-19 | 2014-06-19 | Launch barrel device with inner surface resisting gas flushing |
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| CN201410276971.9A CN104075622B (en) | 2014-06-19 | 2014-06-19 | Launch barrel device with inner surface resisting gas flushing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115356A (en) * | 2015-07-22 | 2015-12-02 | 北京航天发射技术研究所 | Reinforcing structure for launching tube opening |
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| CN104075622B (en) | 2017-01-25 |
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