CN113353415B - Underwater vehicle head section packing box suitable for vertical placement - Google Patents
Underwater vehicle head section packing box suitable for vertical placement Download PDFInfo
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- CN113353415B CN113353415B CN202110445201.2A CN202110445201A CN113353415B CN 113353415 B CN113353415 B CN 113353415B CN 202110445201 A CN202110445201 A CN 202110445201A CN 113353415 B CN113353415 B CN 113353415B
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- box body
- underwater vehicle
- head section
- sealing
- lower box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/02—Collars or rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/07—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
- B65D81/2076—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
Abstract
The invention provides a vertically-placed underwater vehicle head section packaging box, belongs to the field of packaging boxes, and particularly relates to an upper cover-opening type cast aluminum alloy packaging box which can be internally filled with nitrogen, has a sealing function, a humidity display function, a grounding function and a vibration reduction function, and can be stored and transported for a long time. The invention integrally adopts a barrel type upper cover opening structure, the upper box body and the lower box body adopt a weight reduction design, the self weight is greatly reduced, the structure is light, and the transferring, mounting and operating are convenient. The inside is designed with an inflation valve, a pressure equalizing valve and a humidity display to ensure air tightness inspection and humidity display. The damping interior adopts polyurethane damping material, bonds in box, case lid inside, avoids head segment and packing box direct contact. An adjustable buffering and fixing structure is designed in the head section packaging box, so that the head section is reliably fixed in the packaging box and is damped.
Description
Technical Field
The invention relates to the technical field of precision equipment packaging, in particular to a packaging box suitable for a vertically placed underwater vehicle head.
Background
The packing box is mainly used for packing protection during product transportation, loading and unloading and storage. The cabin section packing boxes are various in types and styles and mainly comprise 3 types of packing boxes made of wood, steel and aluminum alloy. The wooden packing box body has poor strength, sealing performance, moisture resistance and wading performance, is easy to decay in natural environment and has poor long-term storage performance. The packing box made of steel has high density, heavy weight and poor corrosion resistance. The aluminum alloy packing box has light weight, high specific strength and good corrosion resistance. In addition, the aluminum alloy head packaging box with the sealing function can be internally filled with nitrogen and sealed for more than 6 months for a long time, the internal storage condition can be observed through the humidity display, and the drying agent box can be arranged in the aluminum alloy head packaging box, so that the complex work of regular transportation, box opening, sealing inspection and the like can be avoided.
The existing cabin section packing box is horizontally placed, and the stability of products in the packing box is ensured by applying force to the side wall and the front and the back of the products. However, the rubber layer which can not bear force is arranged on the head section of a certain type of underwater vehicle due to the vulcanization of the front end surface, and the existing cabin section packing box can not be adopted for transportation and storage.
In addition, the existing cabin section packing boxes are all provided with damping devices, one is to add a bracket and connect the bracket and the packing box by using a spring, the damping effect is obvious, but the cost is high, the occupied inner space of the packing box is large, and the use is inconvenient; the other is to place a shock-absorbing sponge inside the packing box to reduce the vibration to which the inner cabin section is subjected, but is not suitable for packing boxes with large loads.
Disclosure of Invention
Aiming at the requirements of transportation and storage of the head section of the underwater vehicle, the invention provides a packaging box suitable for the vertically placed head section of the underwater vehicle, which is used for packaging, transporting and storing the head section of the underwater vehicle with a vulcanized layer, wherein the weight of the head section of the underwater vehicle is about 50kg, and the external dimension of the head section of the underwater vehicle is about phi 340 multiplied by 400.
The technical scheme of the invention is as follows:
the underwater vehicle head section packaging box suitable for being vertically placed comprises an upper box body, a lower box body, a locking device, an inflation valve, a pressure equalizing valve, a humidity display, an inner lap line, an outer lap line and an adjustable buffering fixing structure;
the head packing box adopts an upper open cover type structure, and a radial sealing structure is adopted between the upper box body and the lower box body, so that the packing box is ensured to be closed and locked by a locking device to form a closed environment inside;
a buffering and fixing structure with a felt bonded on the surface is arranged below the lower box body, the underwater vehicle head section is placed in the lower box body in a vertical placing mode and is in contact with the felt on the wooden buffering and fixing structure through the part, located at the rear part of the front end surface vulcanized layer, in the outer side surface of the underwater vehicle head section, so that the underwater vehicle head section is reliably fixed in the packaging box and is vibration-reduced
A damping inner decoration is arranged above the buffering fixing structure in the lower box body and surrounds the middle rear part of the head section of the underwater vehicle, so that the head section is prevented from being directly contacted with the packing box;
the inflation valve and the pressure equalizing valve are used for air tightness inspection, nitrogen filling and internal pressure adjustment of the box body;
the humidity display displays the humidity inside the box body;
the head packaging box is provided with an inner lap line and an outer lap line and is used for grounding the head of the underwater vehicle.
Furthermore, the upper box body is of a square structure formed by machining an integral aluminum alloy; grooves for stacking and limiting are designed at four corners of the top of the upper box body, and rectangular grooves for opening the cover and moving are formed in the centers of four side edges of the upper box body; a plurality of grooves for mounting a locking mechanism are arranged on four side edges of the upper box body; the bottom of the upper box body is of an annular structure, and is provided with an installation groove of an O-shaped sealing ring, and the installation groove is used for being matched with a sealing surface of the lower box body; the upper box body is provided with a pin hole which is connected with the lower box body in a positioning way, so that the radial centering of the upper box body and the lower box body is ensured, and the installation and the fitting are reliable; the upper box body is provided with weight reduction designs at four corners and the center; the center of the upper box body is provided with an installation hole of an inflation valve and a pressure equalizing valve; and strip-shaped reinforcing ribs are arranged near the mounting bosses of the inflation valve and the pressure equalizing valve, and two groups of mounting holes for the drying agent box are arranged on the reinforcing ribs.
Further, the lower box body is of a hollow structure with square outside and round inside, and the whole body is subjected to T6 heat treatment by adopting a sand mold gravity casting process; angular reinforcing ribs are arranged between the square outer shell and the circular inner shell, and four angular reinforcing ribs are uniformly distributed at an angle of 45 degrees; the bottom surface of the lower box body is provided with a reinforcing rib which is cylindrical at the center and is provided with a radiation rib; a pin hole for positioning and assembling is designed on the upper end surface of the lower box body, so that the assembling precision of the upper box body and the lower box body is ensured; the middle upper part of the lower box body is provided with a built-in groove for installing a locking mechanism, and each groove is internally provided with a threaded hole for installing the locking mechanism; the lower part of the front end face of the lower box body is provided with a groove connected with the humidity sensor.
Furthermore, the locking mechanism comprises a nut, a back nut, a pull rod, a pin, a fixed seat, a pin shaft and a locking block; the fixed seat is fixed in a built-in groove which is used for installing the locking mechanism and arranged at the upper part of the lower box body; the pull rod and the fixed seat are connected in series through the pin shaft, the pull rod and the fixed seat are in limit connection through the pin, and the connecting rod can rotate around the pin shaft; the upper box body and the lower box body are locked through the nut, the back-tightening nut and the locking block, the double-nut structure plays a role in preventing looseness, the locking block is connected with the upper box body in a semi-cylindrical shape, and the contact position is guaranteed to be in line contact.
Further, the inflation valve comprises a sealing plug screw, a sealing gasket, an inflation valve body, a cushion pad, a screw, a sleeve, a spring and a bottom plug screw; the inflation valve is used for air tightness test or nitrogen filling; before use, the screw plug is opened, the inflation device is in threaded sealing connection with the inflation valve body, the cushion pad, the screw and the sleeve are pushed open by the inflation device, and the spring starts to compress, so that gas flows into the packaging box along an inflation opening of the inflation valve body; after the inflatable valve is used, the inflating device is screwed off, the spring automatically restores to the initial position, the cushion pad is in contact with the inflating valve body to play a sealing role, and finally the plug screw is installed according to the state before inflation; the air valve and the upper box body are sealed and fixedly connected by end faces.
Further, the pressure equalizing valve comprises a sealing plug screw, a sealing gasket, an equalizing valve body and an equalizing bolt; the pressure equalizing valve is used for releasing air in the box body when nitrogen is filled; before use, the sealing screw plug is opened, the pressure equalizing bolt is loosened, and gas leaks into the atmosphere from a pressure relief hole in the pressure equalizing valve body; the gas channel of the pressure equalizing valve body is enlarged from inside to outside, so that the injury to personnel caused by overlarge gas flow is prevented; after use, the sealing screw plug is screwed down according to the state before use; the pressure equalizing valve and the upper box body are sealed by an o-shaped ring and fixedly connected.
Furthermore, the humidity display consists of a display board, a sealing gasket, a test paper mounting seat, a screw plug and humidity display test paper; the humidity display is used for measuring and displaying the humidity in the box body in the packing box, is fixedly arranged at the middle lower part of the lower box body in a sealing way and keeps a required distance with the drying agent, and the humidity display range is 30-50%; the humidity value of the air in the current packing box is displayed by reading the value of the humidity display test paper;
furthermore, the adjustable buffer fixing structure comprises an upper base, a lower base, a disc spring group, a wood base, a felt, a guide bolt and a nut; the upper end of the guide bolt is connected with the wood base through the upper base and is screwed and fixed through the nut; the lower end of the guide bolt is connected with the lower box body through the lower base, and the middle of the guide bolt is connected with the butterfly spring group in series; bonding a felt to the contact part of the wood base and the underwater vehicle head section; according to the size of the loaded load, the initial pretightening force of the butterfly spring is adjusted by adjusting the position of the nut, so that the buffer rigidity is adjusted; when the packing box bears impact load, the head section compresses the disc spring downwards under the action of inertia to play a role in buffering.
Advantageous effects
The invention provides a vertically-placed underwater vehicle head section packaging box, belongs to the field of packaging boxes, and particularly relates to an upper cover type cast aluminum alloy packaging box which can be internally filled with nitrogen, has a sealing function, a humidity display function, a grounding function and a vibration reduction function, and can be stored and transported for a long time. The invention integrally adopts a barrel type upper cover opening structure, the upper box body and the lower box body adopt a weight reduction design, the self weight is greatly reduced, the structure is light, and the transferring, mounting and operating are convenient. The inside is designed with an inflation valve, a pressure equalizing valve and a humidity display to ensure air tightness inspection and humidity display. The damping interior adopts polyurethane damping material, bonds in box, case lid inside, avoids head segment and packing box direct contact. An adjustable buffer fixing structure is designed in the head section packaging box, so that the head section is reliably fixed and damped in the packaging box.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the exterior configuration of an underwater vehicle head section packaging case;
FIG. 2 is a schematic view of the internal structure of a packaging box for underwater vehicle head sections;
wherein: the device comprises a humidity display 1, an outer lap joint line 2, a lower box body 3, an inflation valve 4, a pressure equalizing valve 5, an upper box body 6, a locking device 7, a hanging ring 8, a base 9, an adjustable buffer fixing structure 10, a vibration reduction trim 11, an inner lap joint line 12, a file storage 13 and an underwater vehicle head section 14;
FIG. 3 is a schematic view of the upper housing construction; (a) top view, (b) side view, (c) bottom view, (d) axonometric view;
wherein: a groove 31 for stacking limit, a rectangular groove 32, a groove 33 for installing a locking mechanism, an annular structure 34, a pin hole 35, an installation hole 36 of an inflation valve and a pressure equalizing valve, and an installation hole 37 of a drying agent box;
FIG. 4 is a schematic view of the lower case structure; (a) a front view, (b) an interior view, (C) a top view, (d) a C-C section view;
wherein: a rib 41, a radial rib 42, a pin hole 43, an internal groove 44, and a groove 45 connected to the humidity sensor;
FIG. 5 is a schematic view of the locking device; (a) a front view, (b) a side view, (c) a top view;
wherein: the device comprises a nut 51, a back nut 52, a pull rod 53, a pin 54, a fixed seat 55, a pin shaft 56 and a locking block 57;
FIG. 6 is a schematic view of the inflation valve configuration;
wherein: a sealing screw plug 61, a sealing gasket 62, an inflation valve body 63, a cushion pad 64, a screw 65, a sleeve 66, a spring 67, a bottom screw plug 68 and an inflation port 69;
FIG. 7 is a schematic view of a pressure equalizing valve structure; (a) a front view, (b) a working schematic;
wherein: a seal plug screw 71, a seal gasket 72, a pressure equalizing valve body 73 and a pressure equalizing bolt 74;
FIG. 8 is a schematic view of a humidity display;
wherein: a display panel 81, a sealing gasket 82, a test paper mounting seat 83, a screw plug 84 and humidity display test paper 85;
FIG. 9 is a schematic view of an adjustable bumper mount; (a) B-B view, (B) front view, (C) a-a view, (d) C magnified view;
wherein: the device comprises an upper base 91, a lower base 92, a disc spring group 93, a wood base 94, felt 95, a guide bolt 96 and a nut 97.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.
As shown in fig. 1 and 2, the underwater vehicle head section packing case proposed in the present embodiment includes: the device comprises a humidity display 1, an outer overlapping line 2, a lower box body 3, an inflation valve 4, a pressure equalizing valve 5, an upper box body 6, a locking device 7, a hanging ring 8, a base 9, an adjustable buffer fixing structure 10, a vibration reduction interior trim 11, an inner overlapping line 12 and a file storage place 13.
The head packing box adopts an upper cover-opening structure. The upper box body 6 is formed by machining high-strength aluminum alloy, and the lower box body 3 is formed by gravity casting of a high-strength aluminum alloy sand mold. A radial sealing structure with an O-shaped ring is adopted between the upper box body 6 and the lower box body 3, so that a closed environment is formed inside the packing box after the cover of the packing box is closed and locked. The upper box body 6 and the lower box body 3 are locked by a locking device 7. The wooden buffering fixed knot that the surface bonded felt was designed to the inside below of lower box 3 constructs 10, and underwater vehicle head section 14 adopts vertical mode of placing in lower box 3, and through the position that is in preceding terminal surface vulcanize layer rear portion in underwater vehicle head section 14 lateral surface and wooden buffering fixed knot construct 10 contact, guarantees that the head section reliably fixes and the damping in the packing box. The inner damping trim 11 of the packing box is made of a polyurethane damping material, is adhered to the inside of the lower box body 3, surrounds the middle rear part of the head section 14 of the underwater vehicle, and avoids the direct contact between the head section and the packing box. The charging valve 4 and the equalizing valve 5 are used for air tightness inspection, nitrogen filling process and internal pressure adjustment of the box body. The humidity inside the cabinet is displayed by the humidity display 1. The package is provided with an inner overlapping wire 12 and an outer overlapping wire 2 for head grounding.
Referring to fig. 3, the upper box body is a square structure formed by machining an integral aluminum alloy. Four corners of the bottom of the upper box body (the bottom of the figure, the top of the upper box body in actual use) are provided with grooves 31 for stacking and limiting. Rectangular grooves 32 are formed in the centers of the four side edges of the upper box body, so that manual uncovering and moving are facilitated. The four sides of the upper box body are totally designed with 8 grooves 33 for installing the locking mechanism. The top of the upper box (the top shown in the figure, the bottom of the upper box in actual use) is of an annular structure 34, and is provided with an installation groove of an O-shaped sealing ring, and the installation groove is used for being matched with a sealing surface of the lower box to play a role in sealing. The upper box body is provided with a pin hole 35 which is connected with the lower box body in a positioning way, so that the radial centering and reliable installation and fitting of the upper box body and the lower box body are ensured. The upper box body is provided with weight reduction designs at four corners and the center. Mounting holes 36 of an inflation valve and a pressure equalizing valve are arranged in the center of the upper box body, and the number of the mounting holes is two, and 8. And strip-shaped reinforcing ribs are arranged near the mounting bosses of the inflation valve and the pressure equalizing valve, and two groups of mounting holes 37 used for the drying agent box are arranged on the reinforcing ribs, and the number of the mounting holes is 8.
Referring to fig. 4, the lower box body has a hollow structure with an outer square and an inner circle, and is subjected to T6 heat treatment by adopting a sand mold gravity casting process as a whole. The outer dimension of box is great, adopts two many runners gating system, places the chill in thick big mounting surface department and strengthens the equilibrium solidification everywhere, prevents the appearance of shrinkage porosity defect. The lower box body is of a double-layer composite structure, five cores are required to be combined to form an inner cavity, the size in the height direction is large, the fact that the relative position of the cores is guaranteed during the assembly of a casting mold is critical, the slight angle deviation of the cores can cause the serious uneven thickness of the cores, and holes are formed in the serious condition, so that the positioning and the fixing of the cores are mainly considered during the design of the core box and the outer mold. During process design, the upper core print and the upper half die are integrally molded without parting, so that the position deviation of a mold core caused by parting negative numbers is avoided, and the uniform wall thickness is ensured. The semi-closed structure characteristic of the box body is considered during T6 heat treatment, requirements are provided for casting placement during charging, rapid cooling of the box body when water enters the box body is guaranteed, quenching and solid solution effects are guaranteed, and guarantee is provided for further aging strengthening. Reinforcing ribs 41 are arranged in the middle of the structure of the square outside and the round inside, four reinforcing ribs are uniformly distributed at 45 degrees, and lightening holes are formed in the reinforcing ribs. The bottom surface of the lower box body is provided with a reinforcing rib 42 which is cylindrical and has 8 radial shapes at the center. Two pin holes 43 for positioning and assembling are designed on the upper end face of the lower box body, so that the assembling precision of the upper box body and the lower box body is ensured. The upper middle part of the lower box body is provided with 8 built-in grooves 44 for installing locking mechanisms, and each groove is internally provided with 4 threaded holes for installing the locking mechanisms. The lower part of the front end face of the lower box body is provided with a groove 45 connected with the humidity sensor, and 8M 6 screw blind holes for screwing the humidity sensor are designed in the groove.
Referring to fig. 5, the locking mechanism includes a nut 51, a back nut 52, a pull rod 53, a pin 54, a fixing seat 55, a pin 56, and a locking block 57. The fixed seat is fixed in a groove 44 which is used for installing the locking mechanism and arranged at the upper part of the lower box body through four M6 screws. The pull rod 53 and the fixed seat 55 are connected in series through a pin 56, the pin 54 is used for limiting connection, and the connecting rod 53 can rotate around the pin. The upper box body and the lower box body are locked through the nut 51, the back-tightening nut 52 and the locking block 57, the double-nut structure plays a role in preventing looseness, the locking block 57 is connected with the upper box body in a semi-cylindrical shape, the contact position is guaranteed to be in line contact, and reliable locking is facilitated. When the box is opened, the whole pull rod 53 can rotate around the pin shaft 56 by slightly loosening the nut 51 and the back nut 52, so that the upper box body can be taken down from the lower box body.
Referring to fig. 6, the inflation valve includes a sealing plug 61, a sealing pad 62, an inflation valve body 63, a cushion pad 64, a screw 65, a sleeve 66, a spring 67, and a bottom plug 68. The inflation valve is used for air tightness tests and can also be used for filling nitrogen. Before use, the screw plug 61 is opened, a special inflating device is in threaded connection with the inflating valve body, the interface is required to ensure air tightness, the cushion pad 64, the screw 65 and the sleeve 66 are pushed open by the inflating device, and the spring 67 starts to compress, so that gas flows into the packing box along the inflating opening 69 of the inflating valve body. After the inflation tool is used, the inflation tool is screwed off, the spring 67 automatically restores to the initial position, the cushion pad is in contact with the inflation valve body to play a sealing role, and finally the plug screw 61 is installed according to the state before inflation. The material of the inflation valve is machined and formed by 20# steel, and the end face of an o-shaped ring is used for sealing between the inflation valve and the lower box body. The inflation valve is connected to the upper box body through 8 internal hexagonal countersunk head screws of M6.
Referring to fig. 7, the pressure equalizing valve comprises a seal plug screw 71, a seal gasket 72, a pressure equalizing valve body 73 and a pressure equalizing bolt 74. Before use, the seal plug 71 is opened, the pressure equalizing bolt 74 is loosened, and gas leaks into the atmosphere from a pressure relief hole in the pressure equalizing valve body 73. The gas channel of the pressure equalizing valve body is increased from inside to outside, so that the harm to personnel caused by overlarge airflow is prevented. After use, the seal plug 71 is screwed down in the state before use. The pressure equalizing valve can be used for releasing air in the box body during nitrogen charging so as to purify the nitrogen purity. The pressure equalizing valve is made of 20# steel through machining and is sealed with the lower box body through an o-shaped ring. The pressure equalizing valve is connected to the upper box body through 8M 6 internal hexagonal countersunk head screws.
Referring to fig. 8, the humidity display device mainly includes a display panel 81, a sealing pad 82, a test paper mounting seat 83, a screw plug 84, and a humidity display test paper 85. The humidity display is used for measuring and displaying the humidity in the box body in the packing box, the humidity display is arranged at the middle lower part of the box body and keeps a certain distance with the drying agent, and the humidity display range is 30% -50%. And the humidity value of the air in the current packaging box is displayed by reading the value of the humidity display test paper. The humidity display material selects 20# steel machine tooling shaping, and the display panel 81 material is transparent organic glass, and the humidity display passes through 8M 6's interior hexagonal countersunk head screw and connects in box down. The humidity display and the lower box body are sealed by an o-shaped ring.
Referring to fig. 9, the adjustable buffering fixing structure includes an upper base 91, a lower base 92, a disc spring set 93, a wooden base 94, a felt 95, a guide bolt 96, and a nut 97. The upper end of the guide bolt 96 is connected with the wood base 94 through the upper base 91 and is screwed and fixed through the nut 97. The lower end is connected with the lower box body through a lower base 92, and a butterfly spring group 93 is connected in series in the middle. The contact part of the wood base 94 and the head section is bonded with felt 95. According to the size of the loaded load, the initial pretightening force is adjusted by adjusting the position of the nut 97 to achieve the effect of adjusting the buffering rigidity. When the packing box bears impact load, the head section compresses the disc spring downwards under the action of inertia to play a role in buffering.
The head section packing box vibration reduction interior decoration adopts a polyurethane vibration reduction material, and the material has the characteristics of low density, excellent vibration reduction and buffering performance, good fire resistance and heat insulation performance, simple processing and forming, good dimensional stability and the like. The cylindrical section of the lower box body of the packing box, which is wrapped by the vibration-damping inner decoration, has vibration-resisting and buffering effects on the product.
The packaging box can be used as a vertically placed packaging box for the head of the underwater vehicle. The packing box wholly adopts the structure of uncapping on the bucket formula, and upper and lower box body adopts and subtracts heavy design, has alleviateed self weight greatly, and the structure is light and handy, transport installation convenient operation. The inside is designed with an inflation valve, a pressure equalizing valve and a humidity display to ensure air tightness inspection and humidity display. The damping interior adopts polyurethane damping material, bonds in box, case lid inside, avoids head segment and packing box direct contact. An adjustable buffering and fixing structure is designed in the head section packaging box, so that the head section is reliably fixed in the packaging box and is damped.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (6)
1. The utility model provides an underwater vehicle head section packing box suitable for vertical placing which characterized in that: comprises an upper box body, a lower box body, a locking mechanism, an inflation valve, a pressure equalizing valve, a humidity display, an internal and external lap joint line and an adjustable buffer fixing structure;
the head section packaging box adopts an upper cover opening type structure, and a radial sealing structure is adopted between the upper box body and the lower box body, so that the packaging box is ensured to be covered and locked by a locking mechanism to form a closed environment inside;
the adjustable buffer fixing structure with the felt bonded on the surface is arranged below the lower box body, the head section of the underwater vehicle is placed in the lower box body in a vertical mode, and the part, located at the rear part of the front end surface vulcanized layer, of the outer side surface of the head section of the underwater vehicle is in contact with the felt on the adjustable buffer fixing structure, so that the head section of the underwater vehicle is reliably fixed and damped in the packing box;
a damping inner decoration is arranged above the adjustable buffering fixing structure inside the lower box body and surrounds the middle rear part of the head section of the underwater vehicle, so that the head section is prevented from being directly contacted with the packing box;
the inflation valve is used for air tightness inspection and nitrogen filling; the pressure equalizing valve is used for adjusting the pressure in the box body;
the humidity display displays the humidity inside the box body;
the humidity display consists of a display board, a sealing gasket, a test paper mounting seat, a screw plug and humidity display test paper; the humidity display is used for measuring and displaying the humidity in the box body in the packing box, is fixedly arranged at the middle lower part of the lower box body in a sealing way and keeps a required distance with the drying agent, and the humidity display range is 30-50%; displaying the humidity value of the air in the current packing box by reading the value of the humidity display test paper;
the adjustable buffer fixing structure comprises an upper base, a lower base, a disc spring group, a wood base, a felt, a guide bolt and a nut; the upper end of the guide bolt is connected with the wood base through the upper base and is screwed and fixed through the nut; the lower end of the guide bolt is connected with the lower box body through the lower base, and the middle of the guide bolt is connected with the butterfly spring group in series; bonding a felt to the contact part of the wood base and the underwater vehicle head section; according to the size of the loaded load, the initial pretightening force of the butterfly spring is adjusted by adjusting the position of the nut, so that the buffer rigidity is adjusted; when the packing box bears impact load, the head section downwards compresses the disc spring under the action of inertia to play a role in buffering;
the head packaging box is provided with an inner lap line and an outer lap line and is used for grounding the head of the underwater vehicle.
2. The packaging box for underwater vehicle head segments suitable for vertical placement according to claim 1, characterized in that: the upper box body is of a square structure formed by machining integral aluminum alloy; grooves for stacking and limiting are designed at four corners of the top of the upper box body, and rectangular grooves for opening the cover and moving are formed in the centers of four side edges of the upper box body; a plurality of grooves for mounting the locking mechanism are arranged on four sides of the upper box body; the bottom of the upper box body is of an annular structure, and is provided with an installation groove of an O-shaped sealing ring, and the installation groove is used for being matched with the sealing surface of the lower box body; the upper box body is provided with a pin hole which is connected with the lower box body in a positioning way, so that the radial centering and reliable installation and fitting of the upper box body and the lower box body are ensured; the upper box body is provided with weight reduction designs at four corners and the center; the center of the upper box body is provided with an installation hole of an inflation valve and a pressure equalizing valve; and strip-shaped reinforcing ribs are arranged near the mounting bosses of the inflation valve and the pressure equalizing valve, and two groups of mounting holes for the drying agent box are arranged on the reinforcing ribs.
3. The packaging box for underwater vehicle head segments suitable for vertical placement according to claim 1, characterized in that: the lower box body is of a hollow structure with square outside and round inside, and the whole body is subjected to T6 heat treatment by adopting a sand mold gravity casting process; angular reinforcing ribs are arranged between the square outer shell and the circular inner shell, and four angular reinforcing ribs are uniformly distributed at an angle of 45 degrees; the bottom surface of the lower box body is provided with a reinforcing rib which is cylindrical at the center and is provided with a radiation rib; a pin hole for positioning and assembling is designed on the upper end surface of the lower box body, so that the assembling precision of the upper box body and the lower box body is ensured; the middle upper part of the lower box body is provided with a built-in groove for installing a locking mechanism, and each groove is internally provided with a threaded hole for installing the locking mechanism; the lower part of the front end surface of the lower box body is provided with a groove connected with the humidity sensor.
4. The packaging box for underwater vehicle head segments suitable for vertical placement according to claim 3, characterized in that: the locking mechanism comprises a nut, a back nut, a pull rod, a pin, a fixed seat, a pin shaft and a locking block; the fixed seat is fixed in a built-in groove which is used for installing the locking mechanism and arranged at the upper part of the lower box body; the pull rod and the fixed seat are connected in series through the pin shaft and are in limit connection through the pin, and the connecting rod can rotate around the pin shaft; the upper box body and the lower box body are locked through the nut, the back-tightening nut and the locking block, the double-nut structure plays a role in preventing looseness, the locking block is connected with the upper box body in a semi-cylindrical shape, and the fact that the contact position is in line contact is guaranteed.
5. The packaging box for underwater vehicle head segments suitable for vertical placement according to claim 1, characterized in that: the inflation valve comprises a sealing plug screw, a sealing gasket, an inflation valve body, a cushion pad, a screw, a sleeve, a spring and a bottom plug screw; the inflation valve is used for air tightness test or used for inflating nitrogen; before use, the screw plug is opened, the inflation device is in threaded sealing connection with the inflation valve body, the cushion pad, the screw and the sleeve are pushed open by the inflation device, and the spring starts to compress, so that gas flows into the packaging box along an inflation opening of the inflation valve body; after the inflation device is used, the inflation device is screwed off, the spring automatically restores to the initial position, the cushion pad is in contact with the inflation valve body to play a sealing role, and finally the plug screw is installed according to the state before inflation; the air valve and the upper box body are sealed and fixedly connected by end faces.
6. The packaging box for underwater vehicle head segments suitable for vertical placement as claimed in claim 1, wherein: the pressure equalizing valve comprises a sealing plug screw, a sealing gasket, an equalizing valve body and an equalizing bolt; the pressure equalizing valve is used for releasing air in the box body during nitrogen charging; before use, the sealing screw plug is opened, the pressure equalizing bolt is loosened, and gas leaks into the atmosphere from a pressure relief hole in the pressure equalizing valve body; the gas channel of the pressure equalizing valve body is enlarged from inside to outside, so that the harm to personnel caused by overlarge gas flow is prevented; after use, the sealing screw plug is screwed down according to the state before use; the pressure equalizing valve and the upper box body are sealed by an o-shaped ring and fixedly connected.
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| CN114485294A (en) * | 2022-01-04 | 2022-05-13 | 山西江淮重工有限责任公司 | Storage and transportation device with multiple protection functions |
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