CN104500271B - A kind of protective net - Google Patents
A kind of protective net Download PDFInfo
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- CN104500271B CN104500271B CN201410772946.XA CN201410772946A CN104500271B CN 104500271 B CN104500271 B CN 104500271B CN 201410772946 A CN201410772946 A CN 201410772946A CN 104500271 B CN104500271 B CN 104500271B
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Abstract
A kind of protective net, is fixed with girder steel at roof surface, side protective net, center protective net and oil cylinder protective net is lifted on respectively the lower surface of girder steel.Wherein: the center protective net be made up of four center protective sheet is positioned at mixing kettle region, the solid of rotation backup plate of Bing Shige center protective sheet and blade solid of rotation external peripheral surface fit tightly.Oil cylinder protective net has two, is made up of respectively two oil cylinder protective sheet, and the oil cylinder backup plate of each oil cylinder protective sheet is fitted tightly with the excircle of each oil cylinder guide pillar respectively.Described side protective net has multi-disc, needs according to protection the both sides being arranged on described center protective net respectively.During combination, be connected by attachment hole cloth bag between each protective net.The present invention has thoroughly broken off issuable fifth wheel above protective net and has entered the possibility in mixing kettle, has stopped this type of potential safety hazard.Employing modular type protective net not only ensure that the prevention and control to fifth wheel, and meanwhile, protective net for convenience detach carries out clearing up, keeping in repair.
Description
Technical field
The invention belongs to solid propellant rocket motor charge technical field, relate to and a kind ofly can stop the foreign body protecting device that two floor platform fifth wheels enter mixing kettle completely.
Background technique
Propellants be by oxygenant, curing agent and individually other components add in a certain order in mixing machine, carry out mediating, stirring, solid liquid interface is soaked, solid particle is by well coated, each component disperses is even, and there is the macromolecule chain chemical reaction of appropriateness, high viscosity suspension liquid---the Composite Propellant Slurry that final formation process is good.Because mixed process needs to add oxygenant and small component; therefore do not carry out continuously in mixed process; after mixing a period of time, need shutdown to clear up, the medicine slurry shovel on blade is mixed in mixing kettle again, starches the uneven situation of mixing to prevent part medicine.Oxygenant or explosive are added mixing kettle by the remotely-controlled automatic feeding device on mixing kettle top by hopper, the link of the link on feeding device, oxygenant (or explosive) hopper may be fallen in mixing kettle and produce fifth wheel in reinforced process, and this is that None-identified finds in mixed process.
For solid propellant rocket manufacture process, the fifth wheel of Propellant Process can cause combustion explosion, and the fifth wheel in product can cause product rejection or test failure, all will cause the loss that cannot retrieve.Therefore fifth wheel is controlled most important to solid propellant rocket motor charge.
At present, for propellants operation, mixing worker-house in the part that easily comes off of the equipment of two floor platforms is identified, fastening, preventing local protecting wire net is built below blanking apparatus chute vibrator, the protective action of local can only be played, still there are two floor platforms and produce the possibility that fifth wheel falls into mixing kettle.When carrying out oxygenant or explosive automatic feeding process, link due to vibration for a long time can cause loosening, rupture exist come off after fall into mixing kettle may, if be mixed into hard fifth wheel in mixing kettle, in mixed process, hard fifth wheel and blade or mixing kettle wall collide heat-dissipating, cause accident to occur.
Summary of the invention
For overcoming the potential safety hazard existed in prior art, the present invention proposes a kind of protective net.
The present invention includes side protective net, center protective net, oil cylinder protective net, solid of rotation backup plate, girder steel, framework, stainless steel mesh and aluminium sheet.Described girder steel is fixed on roof surface, for lifting protective net.Side protective net, center protective net and oil cylinder protective net are lifted on respectively the lower surface of girder steel.Wherein: the center protective net be made up of four center protective sheet is positioned at mixing kettle region, and the solid of rotation backup plate of described each center protective sheet and blade solid of rotation external peripheral surface are fitted tightly.Described oil cylinder protective net has two, is made up of respectively two oil cylinder protective sheet, and the oil cylinder backup plate of described each oil cylinder protective sheet is fitted tightly with the excircle of each oil cylinder guide pillar respectively.Described side protective net has multi-disc, needs according to protection the both sides being arranged on described center protective net respectively.During combination, be connected by attachment hole cloth bag between each protective net.
The framework that each center of the present invention protective sheet is made up of angle steel forms with the obstruct net being positioned at framework.The framework of described center protective sheet is formed by solid of rotation backup plate, housing and inside casing welding resistance, wherein: described solid of rotation backup plate is made up of 1/4 circular arc plate and the semicircle being positioned at this 1/4 circular arc side, and the surface of the vertical plate of this backup plate coordinates with blade solid of rotation external peripheral surface and directional post external peripheral surface respectively.Described housing is evenly equipped with suspension ring, and described housing is all positioned at the semicircle side on described solid of rotation backup plate; This inside casing is evenly equipped with attachment hole, for protective sheet adjacent with other for each center protective sheet being connected.The profile of described obstruct net is consistent with the shape of center protective sheet framework, is fixed in the protective sheet framework of center.
Oil cylinder protective net of the present invention is made up of the oil cylinder protective sheet of four rectangles, and described each oil cylinder protective sheet comprises framework that angle steel makes and intercepts net, and wherein said framework is divided into housing and inside casing.The housing of each oil cylinder protective sheet is impossible font, and the long frame section of this housing is evenly equipped with suspension ring; The long frame section of the inside casing of each oil cylinder protective sheet there are two semicircles coordinated with oil cylinder guide pillar; Described inside casing is evenly equipped with attachment hole, for two oil cylinder protective sheet being connected.Described each obstruct net is separately fixed in the framework of each oil cylinder protective sheet.
Side protective net of the present invention is rectangle, comprises angle steel and makes framework and intercept net.The framework of described side protective net is divided into housing and inside casing.Housing is evenly equipped with the suspension ring of lifting, inside casing is evenly equipped with the attachment hole be connected with adjacent protective net.Intercept net to be fixed in framework.
Each obstruct net of the present invention is made up of aluminium sheet and screen cloth.Described aluminium sheet has two-layer, is respectively the upper surface and lower surface that intercept net.Stainless screen cloth is between described two-layer aluminium sheet.
The present invention adopts the protective equipment of modular type.Each module is made up of angle iron frame and dictyosome two-part, screen cloth is made up of stainless steel, and angle iron frame one end rides on the step of solid of rotation periphery, and all the other overhanging portions are connected with roof girder steel by suspension ring, suspender belt, suspension ring and girder steel, frame welding, centre connects with suspender belt.Connect with strap between each model calling framework, by punching at framework facade, between framework with framework, passing hole is connected.Dictyosome is made up of aluminium sheet and screen cloth, is clipped in by screen cloth in upper and lower two-layer aluminium sheet, by screen cloth and aluminium sheet compact siro spinning technology integral.Dictyosome puts into angle iron frame.
Achieve following effect after this application of installation: solid propellant rocket motor charge field at home, the present invention in fifth wheel control in implement still to belong to the first, creative thinking, has guiding significance for fifth wheel control measure.After this application of installation, thoroughly break off issuable fifth wheel above protective net and entered the possibility in mixing kettle, stopped this type of potential safety hazard.Employing modular type protective net not only ensure that the prevention and control to fifth wheel, and meanwhile, protective net for convenience detach carries out clearing up, keeping in repair.
Accompanying drawing explanation
Fig. 1 is the plan view of protective net;
Fig. 2 is the plan view of protective net;
The block schematic illustration of protective net centered by Fig. 3;
Fig. 4 is the structural representation intercepting net.In figure:
1. girder steel; 2. suspender belt; 3. side protective net; 4. blade; 5. suspension ring; 6. mixing kettle; 7. ground; 8 directional posts; 9. screen cloth; 10. center protective net; 11. oil cylinder guide pillars; 12. oil cylinder protective nets; 13. solid of rotation backup plates; 14. frame coupling hole; 15. frameworks; 16. aluminium sheets; 17. solid of rotation; 18. 2 floor platforms; 19. columns.
Embodiment
The present embodiment is the foreign body protecting device built between a kind of ground between mixing and roof, comprising: side protective net 3, center protective net 10, oil cylinder protective net 12, solid of rotation backup plate 13, girder steel 1, framework 15, stainless steel mesh 9 and aluminium sheet 16.
Described girder steel 1 is fixed on roof surface, for lifting protective net.By the lower surface of the girder steel 1 that side protective net 3, center protective net 10 and oil cylinder protective net 12 lift respectively, upper set of marking time above track and between mixing between mixing synthesizes protective net.Wherein: the center protective net 10 be made up of four center protective sheet is positioned at mixing kettle region, and the solid of rotation backup plate 13 of described each center protective sheet and blade solid of rotation external peripheral surface are fitted tightly.Described oil cylinder protective net 12 has two, is made up of respectively two oil cylinder protective sheet, and the oil cylinder backup plate of described each oil cylinder protective sheet is fitted tightly with the excircle of each oil cylinder guide pillar respectively.Described side protective net 3 has multi-disc, needs according to protection the both sides being arranged on described center protective net 10 respectively.During combination, be connected by attachment hole cloth bag between each protective net.
Described center protective net 10 is made up of four center protective sheet.The base shape of described each center protective sheet is square, and this square angle is processed as 1/4 circular arc, and the radius of this circular arc is identical with the outer radius of blade solid of rotation.The straight flange of 1/4 circular arc side of described four center protective sheet has 1/2 circle, and this 1/2 radius of a circle is identical with the outer radius of directional post.During use, by described four center protective sheet plane combinations, there is the center protective net 10 of blade solid of rotation mounting hole at formation center, and makes two circular ports be made up of each 1/2 circle be symmetrically distributed in the both sides of blade solid of rotation mounting hole, becomes the mounting hole of directional post.During combination, between the protective sheet of Ge Sige center, attachment hole cloth bag is connected.
Described each center protective sheet is made up of framework and the obstruct net be woven in framework, and center protective sheet is connected with side protective sheet framework passing hole and combines.Center protective sheet 1/2 circle is fitted with directional post, and center protective sheet 1/4 circular arc place and blade solid of rotation are fitted.The framework of described center protective sheet comprises solid of rotation backup plate 13, housing and inside casing, wherein: being made up of 1/4 circular arc plate and 1/2 circle being positioned at this 1/4 circular arc side of described solid of rotation backup plate 13, the cross section of this backup plate is " L " shape, and the surface of vertical plate in backup plate coordinates with blade solid of rotation external peripheral surface and directional post external peripheral surface respectively.Described housing angle steel is made, and housing is evenly equipped with suspension ring 5, is lifted on girder steel by these suspension ring by described housing; Described housing is all positioned at 1/2 circle side on described solid of rotation backup plate 13.Described inside casing is also made with angle steel, and this inside casing is evenly equipped with attachment hole, for protective sheet adjacent with other for each center protective sheet being connected.Described inside casing has long frame and short frame two sections.Described solid of rotation backup plate, housing and inside casing are welded into entirety.The profile of described obstruct net is consistent with center protective sheet frame shape, is fixed in the protective sheet framework of center.
Described oil cylinder protective net 12 is made up of four oil cylinder protective sheet.The base shape of described each oil cylinder protective sheet is rectangle, and its boundary dimension is determined according to the requirement of shelter of oil cylinder protective area.The side of each oil cylinder protective sheet side has two 1/2 circular holes, and the radius of this circular hole is identical with the radius of directional post.During use, four oil cylinder protective sheet plane combinations are become the oil cylinder protective net 12 of two rectangles, and make two 1/2 circular holes be combined into circular port, as the mounting hole coordinated with directional post.
Described each oil cylinder protective sheet comprises framework that angle steel makes and intercepts net, and wherein said framework is divided into housing and inside casing.The housing of each oil cylinder protective sheet is impossible font, the long frame section of this housing is evenly equipped with suspension ring, is lifted on girder steel by these suspension ring by described housing; The inside casing of each oil cylinder protective sheet has two with the semicircle of oil cylinder guide pillar, this inside casing is evenly equipped with attachment hole, for two oil cylinder protective sheet being connected.Described each obstruct net is separately fixed in the framework of each oil cylinder protective sheet.
The quantity of described side protective net 3 is determined according to pretective acreage.This side protective net 3 is rectangle, comprises angle steel and makes framework and intercept net.The framework of described side protective net is divided into housing and inside casing.Housing is evenly equipped with the suspension ring of lifting, inside casing is evenly equipped with the attachment hole be connected with adjacent protective net.During use, as required multi-disc side protective net and center protective net 10 or other side protective nets are connected, to meet the requirement of pretective acreage.
Described each obstruct net is made up of aluminium sheet 16 and screen cloth 9.Described aluminium sheet has two-layer, is respectively the upper surface and lower surface that intercept net.Stainless screen cloth 9 is between described two-layer aluminium sheet.
Pass through the present embodiment, above marking time above track and between mixing between mixing, protective net is installed, length is flameproof lamp place after marking time between gate to mixing between mixing, width is the width of blade solid of rotation, protective net is made up of angle iron frame and dictyosome two-part, because size is comparatively large, conveniently dismounting and cleaning, the protective net above track and above marking time is divided into many parts to process.As Fig. 3, dictyosome puts into angle iron frame, and framework facade punches, and framework is connected with framework passing hole strap, and angle iron frame one end rides on the step of solid of rotation periphery, and all the other overhanging portions are by suspension ring, and suspender belt is connected with roof girder steel.As Fig. 4, dictyosome is made up of aluminium sheet and screen cloth, is clipped in by screen cloth in upper and lower two-layer aluminium sheet, by screen cloth and pressing plate compact siro spinning technology integral.Dictyosome puts into angle iron frame.
Claims (5)
1. a protective net, is characterized in that, comprises side protective net, center protective net, oil cylinder protective net, solid of rotation backup plate, girder steel, framework, stainless steel mesh and aluminium sheet; Described girder steel is fixed on roof surface, for lifting protective net; Side protective net, center protective net and oil cylinder protective net are lifted on respectively the lower surface of girder steel; Wherein: the center protective net be made up of four center protective sheet is positioned at mixing kettle region, and the solid of rotation backup plate of described each center protective sheet and the external peripheral surface of this mixing kettle are fitted tightly; Described oil cylinder protective net has two, is made up of respectively two oil cylinder protective sheet, and the oil cylinder backup plate of described each oil cylinder protective sheet is fitted tightly with the excircle in each oil cylinder guide pillar hole respectively; Described side protective net has multi-disc, needs according to protection the both sides being arranged on described center protective net respectively; During combination, be connected by attachment hole cloth bag between each protective net.
2. protective net as claimed in claim 1, is characterized in that, the framework that described each center protective sheet is made up of angle steel and the baffler being positioned at framework form; The framework of described center protective sheet is formed by solid of rotation backup plate, housing and inside casing welding resistance, wherein: described solid of rotation backup plate is made up of 1/4 circular arc plate and the semicircle being positioned at this 1/4 circular arc side, and the surface of the vertical plate of this backup plate coordinates with mixing kettle external peripheral surface and directional post external peripheral surface respectively; Described housing is evenly equipped with suspension ring; Described housing is all positioned at the semicircle side on described solid of rotation backup plate, and this inside casing is evenly equipped with attachment hole, for protective sheet adjacent with other for each center protective sheet being connected; The profile of described baffler is consistent with the shape of center protective sheet framework inside casing, is fixed in the protective sheet framework of center.
3. protective net as claimed in claim 1, it is characterized in that, described oil cylinder protective net is made up of the oil cylinder protective sheet of four rectangles, and described each oil cylinder protective sheet comprises the framework and baffler that angle steel makes, and wherein said framework is divided into housing and inside casing; The housing of each oil cylinder protective sheet is impossible font, and the long frame section of this housing is evenly equipped with suspension ring; The long frame section of the inside casing of each oil cylinder protective sheet there are two semicircles coordinated with oil cylinder guide pillar; Described inside casing is evenly equipped with attachment hole, for two oil cylinder protective sheet being connected; Described each baffler is separately fixed in the framework of each oil cylinder protective sheet.
4. protective net as claimed in claim 1, it is characterized in that, described side protective net is rectangle, comprises angle steel and makes framework and baffler; The framework of described side protective net is divided into housing and inside casing; Housing is evenly equipped with the suspension ring of lifting, inside casing is evenly equipped with the attachment hole be connected with adjacent protective net; Baffler is fixed in framework.
5. protective net as claimed in claim 2, it is characterized in that, described each baffler is made up of aluminium sheet and screen cloth; Described aluminium sheet has two-layer, is respectively upper surface and the lower surface of baffler; Stainless screen cloth is between described two-layer aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410772946.XA CN104500271B (en) | 2014-12-15 | 2014-12-15 | A kind of protective net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410772946.XA CN104500271B (en) | 2014-12-15 | 2014-12-15 | A kind of protective net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500271A CN104500271A (en) | 2015-04-08 |
| CN104500271B true CN104500271B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410772946.XA Active CN104500271B (en) | 2014-12-15 | 2014-12-15 | A kind of protective net |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129326A (en) * | 1987-04-14 | 1992-07-14 | Aerojet-General Corporation | Ordnance device with explosion protection |
| CN102483013A (en) * | 2009-07-07 | 2012-05-30 | 火星工程有限公司 | Tiered porosity flashback suppressing elements for monopropellant or pre-mixed bipropellant systems |
| CN202832854U (en) * | 2012-08-17 | 2013-03-27 | 湖北航天技术研究院总体设计所 | Combined type heat protective structure in the rear portion of a solid rocket engine combustion chamber |
| CN203230505U (en) * | 2013-03-15 | 2013-10-09 | 北京航天动力研究所 | Reverse osmosis type high temperature difference and high pressure thermal protection device |
-
2014
- 2014-12-15 CN CN201410772946.XA patent/CN104500271B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129326A (en) * | 1987-04-14 | 1992-07-14 | Aerojet-General Corporation | Ordnance device with explosion protection |
| CN102483013A (en) * | 2009-07-07 | 2012-05-30 | 火星工程有限公司 | Tiered porosity flashback suppressing elements for monopropellant or pre-mixed bipropellant systems |
| CN202832854U (en) * | 2012-08-17 | 2013-03-27 | 湖北航天技术研究院总体设计所 | Combined type heat protective structure in the rear portion of a solid rocket engine combustion chamber |
| CN203230505U (en) * | 2013-03-15 | 2013-10-09 | 北京航天动力研究所 | Reverse osmosis type high temperature difference and high pressure thermal protection device |
Non-Patent Citations (2)
| Title |
|---|
| 推进剂装药混合过程安全性研究;张力恒等;《固体火箭技术》;20121220;第35卷(第4期);508-512 * |
| 立式捏合机捏合间隙影响CFD分析;易朋兴;《化工学报》;20071203;第58卷(第10期);2680-2684 * |
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| CN104500271A (en) | 2015-04-08 |
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