CN111620231A - Tool structure for demolding engine spray pipe diffusion section - Google Patents
Tool structure for demolding engine spray pipe diffusion section Download PDFInfo
- Publication number
- CN111620231A CN111620231A CN202010575814.3A CN202010575814A CN111620231A CN 111620231 A CN111620231 A CN 111620231A CN 202010575814 A CN202010575814 A CN 202010575814A CN 111620231 A CN111620231 A CN 111620231A
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- China
- Prior art keywords
- ring
- demolding
- adjusting
- diffusion section
- engine nozzle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/97—Rocket nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
- Nozzles (AREA)
Abstract
The invention belongs to the technical field of demoulding tools, and particularly relates to a tool structure for demoulding a diffusion section of an engine spray pipe, which comprises the following components: the demoulding upper ring is plate-shaped, the middle part of the demoulding upper ring is provided with a first connecting part, and a hanging ring is arranged above the first connecting part; the lower demolding ring is plate-shaped, a round hole is formed in the middle of the lower demolding ring, a notch is formed in the peripheral edge of the round hole, an adjusting portion is further arranged on the lower demolding ring at the notch, and the adjusting portion is suitable for adjusting the size of the round hole by adjusting the size of the notch; the drawing rod, the quantity of drawing rod has many, many the one end of drawing rod with it is connected to go up the ring joint to demold, the other end is connected with the lower ring joint of demold. Through the structure, the spray pipe diffusion section with the large-size and thin-wall structure can be easily demoulded with the core mould without damaging the structure, and the practicability is high.
Description
Technical Field
The invention belongs to the technical field of demolding tools, and particularly relates to a tool structure for demolding a diffusion section of an engine spray pipe.
Background
The rocket engine nozzle diffuser is an important component of a solid rocket engine, provides a continuous and aerodynamic design profile of the nozzle, and ensures that the temperature of a supporting structure is controlled within an allowable range so as to ensure the safe and reliable operation of the engine. Because the thrust of the engine is increased and the loading capacity is increased at present, the small-size engine spray pipe diffusion section can not meet the use requirement. With the development of the diffusion section of the large-size thin-wall-structure solid rocket engine jet pipe, the problem of how to smoothly demold and avoid the collision of thin-wall products easily generated in the demolding process is solved.
In the existing demoulding method, the product is generally processed and demoulded by an artificial mechanical mode, such as a tool like a wooden mallet, with the small end facing downwards. However, the common demolding mode can only be applied to demolding of small-size diffusion sections, and the weight of a large-size thin-wall-structure product mold and a product reaches 2.5 tons, so that the product cannot be smoothly laid down by the common demolding mode, and damage to the large-size thin-wall structure due to mechanical treatment cannot be avoided.
Therefore, in order to overcome the defects, the invention urgently needs to provide a tool structure for demolding the diffusion section of the engine nozzle.
Disclosure of Invention
The invention aims to provide a tool structure for demolding a diffusion section of an engine spray pipe, and aims to solve the problems that in the prior art, a large-size and thin-wall-structure product mold is inconvenient to demold and easily damages a thin-wall structure.
The invention provides a tool structure for demoulding an engine spray pipe diffusion section, which comprises: the demoulding upper ring is plate-shaped, the middle part of the demoulding upper ring is provided with a first connecting part, and a hanging ring is arranged above the first connecting part; the lower demolding ring is plate-shaped, a round hole is formed in the middle of the lower demolding ring, a notch is formed in the peripheral edge of the round hole, an adjusting portion is arranged at the notch, and the adjusting portion is suitable for adjusting the size of the round hole by adjusting the size of the notch; the drawing rod, the quantity of drawing rod has many, many the one end of drawing rod with it is connected to go up the ring joint to demold, the other end is connected with the lower ring joint of demold.
Preferably, the lower demolding ring comprises a first half ring and a second half ring, the first half ring and the second half ring can be correspondingly buckled to form the circular hole, and the buckled part forms the notch.
According to the tooling structure for demolding the diffusion section of the engine nozzle, preferably, the number of the adjusting parts is two, and the adjusting parts respectively comprise two buckling parts and an adjusting rod; the two buckling parts of each adjusting part are arranged at the ends of the semi-circular arcs of the first half ring and the second half ring; the adjusting rod is suitable for being connected with the two buckling parts.
The tooling structure for demolding the diffusion section of the engine nozzle is further preferably characterized in that the adjusting rod comprises a screw and four nuts, and the four nuts are all screwed on the screw.
Preferably, the notch is further provided with a strip-shaped flat plate, the strip-shaped flat plates at the two notches are parallel to each other, one end of each strip-shaped flat plate is connected to the bottom surfaces of the two ends of the semicircular arc of the first semi-ring, and the other end of each strip-shaped flat plate extends towards the second semi-ring.
Preferably, the fastening portion is a lug vertically arranged on the upper surface of the semicircular arc end portion, and a through hole suitable for the screw rod to pass through is formed in the lug.
The tool structure for demolding the diffuser section of the engine nozzle is further preferably provided with second connecting parts at two ends of the second half ring.
Preferably, the demolding upper ring is further uniformly provided with a plurality of lightening holes.
According to the tooling structure for demolding the diffusion section of the engine nozzle, preferably, the demolding upper ring is further provided with a reinforcing plate, and the reinforcing plate is arranged in the middle of the demolding upper ring; the hanging ring is arranged on the reinforcing plate.
The tool structure for demolding the diffusion section of the engine nozzle is further preferably configured in such a manner that the number of the pull rods is six, and the six pull rods are uniformly distributed on the peripheries of the demolding upper ring and the demolding lower ring through bolt fasteners.
Compared with the prior art, the invention has the following advantages:
the tool structure disclosed by the invention is fixed and hoisted by the upper demoulding upper ring and the upper part of the spray pipe diffusion section, the lower part of the spray pipe diffusion section is hooped by the lower demoulding ring, the pull rod is suitable for enabling the upper demoulding ring and the lower demoulding ring to form an integrated structure, and then the spray pipe diffusion section and a core mould are separated by gravity in a hoisting mode. Through the structure, when separating the spray pipe diffuser from the core mold, the spray pipe diffuser does not need to be turned over to enable the small end of the spray pipe diffuser to face downwards and the large end of the spray pipe diffuser to face upwards, the work difficulty is reduced, meanwhile, other separation tools which can damage the spray pipe diffuser such as a separation hammer are not needed to be used, the structure of the spray pipe diffuser is prevented from being damaged, in addition, the structural stability of the spray pipe diffuser in the demolding process is further guaranteed by the demolding lower ring sleeved on the lower portion of the spray pipe diffuser, the deformation of the spray pipe diffuser is avoided, and the large-size and thin-wall-structure spraying pipe diffuser demolding is further facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a tooling structure for demolding a diffuser of an engine nozzle in the invention;
FIG. 2 is a process diagram of the structure of part A of FIG. 1;
fig. 3 is a schematic view of the working state of the present invention.
Description of reference numerals:
1-second half ring 1, 2-first half ring 2, 3-demoulding upper ring 3, 4-pull rod 4, 5-first connecting part 5, 6-lifting ring 6, 7-connecting fastener 7, 8-second connecting part 8, 9-nut 9, 10-screw rod 10, 11-lug 11, 12-strip-shaped flat plate 12, 13-lightening hole 13, 14-reinforcing plate 14, 15-nozzle diffusion section 15.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The tool structure for demolding the engine nozzle diffusion section disclosed by the embodiment has the main function of separating the large-size solid rocket engine nozzle diffusion section 15 from a core mold, and meanwhile, the nozzle diffusion section 15 with the characteristics of large size, thin-wall structure and the like is not damaged.
Specifically, as shown in fig. 1, the tooling structure for demolding the diffuser of the engine nozzle disclosed in this embodiment includes: the demoulding upper ring 3 is plate-shaped, a first connecting part 5 is arranged in the middle of the demoulding upper ring 3, and a hanging ring 6 is arranged above the first connecting part 5; the lower demolding ring is plate-shaped, a round hole is formed in the middle of the lower demolding ring, a notch is formed in the peripheral edge of the round hole, an adjusting portion is arranged at the notch, and the adjusting portion is suitable for adjusting the size of the round hole by adjusting the size of the notch; the drawing rod 4, the quantity of drawing rod 4 has many, many the one end of drawing rod 4 with it is connected to go up ring 3 on the drawing of patterns, the other end is connected with drawing of patterns lower ring.
In the structure, the hoisting ring 6 of the upper ring 3 in the demolding is suitable for hoisting of the whole structure, and the circular hole matching adjusting part with the notch in the lower ring in the demolding is used so that the size of the circular hole can be adjusted, and then the circular hole matching adjusting part can be connected with the spray pipe diffusion sections 15 in different sizes. The tie rods 4 are connected with the upper stripper ring 3 and the lower stripper ring by connecting fasteners 7, and are adapted to make the upper stripper ring 3 and the lower stripper ring an integral structure. The tool structure is hoisted by the upper demoulding ring 3 and the upper part of the spray pipe diffusion section 15, the lower part of the spray pipe diffusion section 15 is hooped by the lower demoulding ring, and then the spray pipe diffusion section 15 is separated from a core mould by gravity in a hoisting mode.
As a preferred embodiment of this embodiment, as shown in fig. 2, the lower demolding ring includes a first half ring 2 and a second half ring 1, the first half ring 2 and the second half ring 1 can be correspondingly fastened to form the circular hole, and the fastening portion forms the notch. In this embodiment, the lower mold release ring is formed by splicing a first half ring 2 and a second half ring 1, wherein the first half ring 2 and the second half ring 1 are respectively provided with a semicircular arc, so as to splice a circular hole suitable for being connected with the lower end of the nozzle diffuser 15. Compared with a full-circle structure with a notch, the lower demolding ring formed by the split structure, namely the first half ring 2 and the second half ring 1, can simplify the installation mode of the lower demolding ring and the spray pipe diffusion section 15, so that the spray pipe diffusion section 15 can be assembled from two sides without being assembled with the lower end of the spray pipe diffusion section 15 from top to bottom, the assembling force is small, and the installation difficulty is reduced.
As a preferred implementation manner of this embodiment, further, the number of the adjusting portions is two, and each adjusting portion includes two buckling portions and an adjusting rod; the two buckling parts of each adjusting part are arranged at the ends of the first half ring 2 and the second half ring 1; the adjusting rod is suitable for being connected with the two buckling parts. Furthermore, the adjusting rod comprises a screw rod 10 and four nuts 9, and the four nuts 9 are all screwed on the screw rod 10. Further, the buckling part is a lug 11 vertically arranged on the upper surface of the semi-arc end part, and a through hole suitable for the screw rod 10 to pass through is arranged on the lug 11. In the structure, the screw rod 10 is inserted into the through hole of the lug 11, and the four nuts 9 are respectively arranged at two sides of the two lugs 11. The adjustment of the screw 10 is performed each time by simultaneously adjusting two of said nuts 9 on both sides of the same lug 11.
In this embodiment, the first half ring 2 and the second half ring 1 have various structures, for example, one end of the first half ring 2 and one end of the second half ring 1 are hinged, and the other ends are connected through the adjusting part; the connection mode can also be adopted, namely, the two ends of the first half ring 2 and the second half ring 1 are connected by the adjusting parts. Specifically, the present embodiment also discloses a specific structure of the adjustment portion. Among the two kinds of modes, compare in the articulated one end of one end and pass through the mode that the regulating part is connected, both ends all adopt the regulating part to connect and make the structure of first semi-ring 2 and second semi-ring 1 can part totally, and then area is less when making it accomodate, is convenient for accomodate and saves space.
As a preferable implementation manner of this embodiment, further, the notches are further provided with strip-shaped flat plates 12, the strip-shaped flat plates 12 at the two notches are parallel to each other, one end of each strip-shaped flat plate is connected to the bottom surfaces of the two ends of the semi-circular arc of the first half-ring 2, and the other end of each strip-shaped flat plate extends towards the second half-ring 1. The setting of BAR shaped plate provides the concatenation platform for second semi-ring 1, is convenient for align with first semi-ring 2, and then avoids the dislocation of first semi-ring 2 and second semi-ring 1. In this embodiment, the number of the strip-shaped flat plates 12 is two, and the two strip-shaped flat plates 12 are respectively in one-to-one correspondence with the two adjusting portions, and the two strip-shaped flat plates 12 may be disposed on the same half ring, or may be disposed on two half rings, and are preferably disposed in the first half ring 2 in this embodiment.
As a preferred embodiment of this embodiment, the second half ring 1 is further provided with second connecting portions 8 at both ends of the semi-circular arc. The second connecting portion 8 is arranged to be suitable for strengthening connection between the first half ring 2 and the second half ring 1, specifically, the second connecting portion 8 comprises screw holes formed in two ends of the second half ring 1 and screws matched with the screw holes, the number of the screw holes and the number of the screws at each end are at least two, and the bar-shaped flat plate 12 is provided with a long hole and is suitable for being connected with the second connecting portion 8.
As a preferred embodiment of this embodiment, further, a reinforcing plate 14 is further disposed on the upper stripper ring 3, and the reinforcing plate 14 is disposed in the middle of the upper stripper ring 3; the hanging ring 6 is arranged on the reinforcing plate 14. The provision of the reinforcing plate 14 is suitable for improving the strength of the connection of the first half-ring 2 to the nozzle diffuser 15 and for avoiding deformation of the central part of the stripper upper ring 3 due to the loading of the unshelled, cored engine nozzle diffuser 15.
As a preferable embodiment of this embodiment, the number of the tie bars 4 is six, and the six tie bars 4 are uniformly distributed on the outer peripheries of the upper mold release ring 3 and the lower mold release ring by bolt fasteners. The tie rod 4 is arranged to connect the upper stripper ring 3 and the lower stripper ring to form a single unit, which moves together during hoisting.
Preferably, in the above structure, the first connecting portion 5 includes a plurality of screw holes provided on the upper ring 3 and a plurality of screws provided in cooperation with the screw holes, and the screws of the first connecting portion 5 are adapted to fix the upper end of the engine nozzle diffuser 15 of the cored mold, which is not demolded, to the upper ring 3. The reinforcing plate 14 is welded on the upper surface of the upper ring 3, and a plurality of screw holes are distributed on the reinforcing plate, and the positions of the screw holes correspond to those of the upper ring 3.
Further, the embodiment also discloses a use method of the structure:
taking the engine spray pipe diffusion section 15 with the core die after processing and without demolding, and enabling the tip end of the spray pipe diffusion section 15 to face upwards; taking the upper demoulding ring 3, fixing the engine spray pipe diffusion section 15 on the upper demoulding ring 3 through a screw hole and a screw of the first connecting part 5, and placing a reinforcing plate 14 above the first connecting part 5 of the upper demoulding ring 3 in order to reinforce the connecting strength of the upper demoulding ring 3 and the engine spray pipe diffusion section 15; taking a first semi-ring 2 and a second semi-ring 1, respectively sleeving semi-arcs of the first semi-ring 2 and the second semi-ring 1 on the outer side of the lower end of an engine spray pipe diffusion section 15, and respectively connecting two ends of the first semi-ring 2 and the second semi-ring 1 through an adjusting rod and a buckling part to form a demoulding lower ring, wherein the connection between the demoulding lower ring and the spray pipe diffusion section 15 is in a loose state; and (3) connecting and fixing the upper demoulding ring 3 and the lower demoulding ring by taking the pull rod 4 and the fastening piece, wherein the fixed engine nozzle diffusion section 15 and the tool structure are shown in figure 3. Hoisting the tool structure and the engine spray pipe diffusion section 15 of the core-equipped die which is not demolded after processing by a hoisting mechanism through a hoisting ring 6 to separate the tool structure from the ground, then hooping the lower end of the spray pipe diffusion section 15 by a demolding lower ring through adjusting an adjusting part, and reinforcing the connection of the first semi-ring 2 and the second semi-ring 1 through a second connecting part 8; and lifting the tool structure and the spray pipe diffusion section 15 through a hoisting mechanism until the core mold is demoulded from the spray pipe diffusion section 15 under the action of gravity.
Compared with the prior art, the tool structure for demolding the diffusion section of the engine spray pipe disclosed by the invention has the following beneficial effects:
the tool structure disclosed by the invention is fixed and hoisted with the upper part of the spray pipe diffusion section 15 through the demoulding upper ring 3, hoops the lower part of the spray pipe diffusion section 15 through the demoulding lower ring, and then separates the spray pipe diffusion section 15 from a core mould thereof by gravity in a hoisting mode. Through the structure, when separating the spray pipe diffusion section 15 from the core mold, the spray pipe diffusion section 15 does not need to be overturned to enable the small end of the spray pipe diffusion section to face downwards and the large end of the spray pipe diffusion section to face upwards, the working difficulty is reduced, other matched separation tools such as a separation hammer and the like do not need to be used at the same time, the structure of the spray pipe diffusion section 15 is prevented from being damaged, in addition, the structural stability of the spray pipe diffusion section 15 in the demolding process is further guaranteed by the demolding lower ring sleeved on the lower portion of the spray pipe diffusion section 15, the deformation of the spray pipe diffusion section 15 is avoided, and the large-size and thin-wall.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a frock structure for drawing of patterns of engine nozzle diffuser, its characterized in that includes:
the demoulding upper ring is plate-shaped, the middle part of the demoulding upper ring is provided with a first connecting part, and a hanging ring is arranged above the first connecting part;
the lower demolding ring is plate-shaped, a round hole is formed in the middle of the lower demolding ring, a notch is formed in the peripheral edge of the round hole, an adjusting portion is arranged at the notch, and the adjusting portion is suitable for adjusting the size of the round hole by adjusting the size of the notch;
the drawing rod, the quantity of drawing rod has many, many the one end of drawing rod with it is connected to go up the ring joint to demold, the other end is connected with the lower ring joint of demold.
2. The tooling structure for demolding the engine nozzle diffusion section according to claim 1, wherein the demolding lower ring comprises a first half ring and a second half ring, the first half ring and the second half ring can be correspondingly buckled to form the circular hole, and the buckled part forms the notch.
3. The tooling structure for demolding the diffusion section of the engine nozzle according to claim 2, wherein the number of the adjusting parts is two, and each adjusting part comprises two buckling parts and an adjusting rod; the two buckling parts of each adjusting part are arranged at the end parts of the first half ring and the second half ring; the adjusting rod is suitable for being connected with the two buckling parts.
4. The tooling structure for demolding the diffuser of the engine nozzle according to claim 3, wherein the adjusting rod comprises a screw and four nuts, and the four nuts are all screwed on the screw.
5. The tooling structure for demolding the engine nozzle diffusion section according to claim 4, wherein the notches are further provided with strip-shaped flat plates, the strip-shaped flat plates at the two notches are parallel to each other, one end of each strip-shaped flat plate is connected to the bottom surfaces of the two ends of the semicircular arc of the first semi-ring, and the other end of each strip-shaped flat plate extends towards the second semi-ring.
6. The tooling structure for demolding the engine nozzle diffusion section according to claim 5, wherein the buckling part is a lug vertically arranged on the upper surface of the semicircular arc end part, and a through hole suitable for the screw to pass through is formed in the lug.
7. The tooling structure for demolding the diffuser section of the engine nozzle according to claim 6, wherein the second half ring is provided with second connecting portions at both ends.
8. The tooling structure for demolding the diffuser section of the engine nozzle as claimed in any one of claims 1-7, wherein a plurality of lightening holes are further uniformly distributed on the demolding upper ring.
9. The tooling structure for demolding the diffuser section of the engine nozzle as claimed in claim 8, wherein a reinforcing plate is further arranged on the upper demolding ring, and the reinforcing plate is arranged in the middle of the upper demolding ring; the hanging ring is arranged on the reinforcing plate.
10. The tooling structure for demolding the diffusion section of the engine nozzle according to claim 9, wherein the number of the pull rods is six, and the six pull rods are uniformly distributed on the peripheries of the upper demolding ring and the lower demolding ring through bolt fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010575814.3A CN111620231B (en) | 2020-06-22 | 2020-06-22 | Tool structure for demolding engine spray pipe diffusion section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010575814.3A CN111620231B (en) | 2020-06-22 | 2020-06-22 | Tool structure for demolding engine spray pipe diffusion section |
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| Publication Number | Publication Date |
|---|---|
| CN111620231A true CN111620231A (en) | 2020-09-04 |
| CN111620231B CN111620231B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010575814.3A Active CN111620231B (en) | 2020-06-22 | 2020-06-22 | Tool structure for demolding engine spray pipe diffusion section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633496A (en) * | 2022-03-25 | 2022-06-17 | 中航复合材料有限责任公司 | Demoulding device and method for composite material barrel section structure integral forming tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204278210U (en) * | 2014-11-18 | 2015-04-22 | 中冶天工上海十三冶建设有限公司 | A kind of for concrete impervious test piece extractor |
| CN108408579A (en) * | 2018-05-16 | 2018-08-17 | 陈海锋 | A kind of construction steel structure lifting transfer device |
| CN108840219A (en) * | 2018-07-05 | 2018-11-20 | 合肥市科惠特机械制造有限公司 | A kind of air compressor machine maintenance suspender |
| CN210025745U (en) * | 2019-01-29 | 2020-02-07 | 福州大学 | Remolded soil triaxial sample shedder |
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| CN114633496A (en) * | 2022-03-25 | 2022-06-17 | 中航复合材料有限责任公司 | Demoulding device and method for composite material barrel section structure integral forming tool |
| CN114633496B (en) * | 2022-03-25 | 2023-11-21 | 中航复合材料有限责任公司 | Demolding device and method for integral molding tool of composite material cylinder section structure |
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| Publication number | Publication date |
|---|---|
| CN111620231B (en) | 2023-01-03 |
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