CN107718576A - The ring piecemeal assembly method of insert nozzle larynx lining - Google Patents

The ring piecemeal assembly method of insert nozzle larynx lining Download PDF

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Publication number
CN107718576A
CN107718576A CN201710827644.1A CN201710827644A CN107718576A CN 107718576 A CN107718576 A CN 107718576A CN 201710827644 A CN201710827644 A CN 201710827644A CN 107718576 A CN107718576 A CN 107718576A
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CN
China
Prior art keywords
larynx
ring
pad
assembly method
frock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710827644.1A
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Chinese (zh)
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CN107718576B (en
Inventor
周生攀
肖孟
林春荣
杜利亚
曾建军
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Hubei Sanjiang Space Jiangbei Mechanical Engineering Co Ltd
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Hubei Sanjiang Space Jiangbei Mechanical Engineering Co Ltd
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Priority to CN201710827644.1A priority Critical patent/CN107718576B/en
Publication of CN107718576A publication Critical patent/CN107718576A/en
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Publication of CN107718576B publication Critical patent/CN107718576B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • 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
    • F02K9/974—Nozzle- linings; Ablative coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/50—Building or constructing in particular ways
    • F05D2230/51—Building or constructing in particular ways in a modular way, e.g. using several identical or complementary parts or features

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Prostheses (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of ring piecemeal assembly method of insert nozzle larynx lining, this method comprises the following steps：Rotational-like larynx lining is divided into N block larynx pads along its ring to be processed, every piece of larynx pad by cuboid blank on CNC milling machine by Milling Machining into the isosceles trapezoid body structure with an angle of chamfer, be machined with strip groove along its length on the both sides trapezoidal inclined plane of every piece of larynx pad；The assembled bonding of N block larynxs pad is served as a contrast into rotational-like larynx using adhesive asserably frock；Apply the circumferential reinforcing of pressure progress until adhesive is fully cured using pressurizeing frock and being served as a contrast to larynx；After pressure H assembly and disassembly are unloaded, take out the larynx lining after bonding solidification and be machined out shaping according to the shape and size of design.The assembly method of the present invention can be effectively reduced production and the difficulty of processing of larynx lining, ensure the uniformity of product quality.

Description

The ring piecemeal assembly method of insert nozzle larynx lining
Technical field
The present invention relates to the technical field of insert nozzle larynx lining, in particular to a kind of ring point of insert nozzle larynx lining Packaged method of completing the square.
Background technology
The jet pipe aircraft of solid propellant rocket provides the position of thrust, and larynx lining is positioned at the throat of jet pipe, its ablation shape State is most harsh, and larynx lining inner mold face is easily washed away ablation by high temperature, high pressure, high speed and hot-fluid containing aggressivity particle and damaged, Especially, to be heated up suddenly more than 2000 DEG C/s speed, great thermograde is produced in engine ignition moment, larynx lining from normal temperature And thermal stress, larynx is served as a contrast cracked or fragmentation, the thrust and efficiency of engine, or even energy of losing the job will be directly affected Power.
At present, it is overall 3D braidings C/C composites that domestic and international solid propellant rocket larynx, which serves as a contrast the most frequently used material,.Due to The rapid development of domestic and international Solid Rocket Motor Technology, major diameter, big flow solid propellant rocket using more and more, but For overall 3D braiding C/C composites larynx linings, due to the limitation of manufacture craft and equipment, larynx lining size reaches certain bottle During neck size, it can greatly increase technology difficulty, complexity, the product quality after shaping is poor, it is understood that there may be carburizing is uneven, The defects of carbon-rich zone is more, strength of materials dispersion is big, the uniformity of product is difficult to ensure that, and production cost is high.
The content of the invention
Present invention aim to provide a kind of ring piecemeal assembly method of insert nozzle larynx lining, the assembly method Rotational-like larynx lining is divided into N block larynx pads along its ring to be assembled, the production and processing of larynx lining can be effectively reduced Difficulty, ensure the uniformity of product quality.
To achieve the above object, the ring piecemeal assembly method of a kind of insert nozzle larynx lining provided by the present invention, it Comprise the following steps：
1) rotational-like larynx lining is divided into N block larynx pads along its ring to be processed, every piece of larynx pad is by growing Cube blank is on CNC milling machine by Milling Machining into the isosceles trapezoid body structure with an angle of chamfer, every piece of larynx pad Both sides trapezoidal inclined plane on be machined with strip groove along its length；
2) the assembled bonding of N block larynxs pad is served as a contrast into rotational-like larynx using adhesive asserably frock, adjacent two pieces of larynxs Adhesive is filled between pad, strip anti-yaw damper material is filled with the strip groove of every piece of larynx pad both sides；
3) the circumferential reinforcing of pressure progress is applied until adhesive is fully cured using pressurizeing frock and being served as a contrast to larynx；
4) after pressure H assembly and disassembly are unloaded, take out the larynx lining after bonding solidification and be machined out according to the shape and size of design Shaping.
Further, in the step 2), adhesive asserably frock includes base, is arranged on the perpendicular fixation of the middle of the base The mandrel of connection, the bushing for being set in mandrel outer ring；
The upper surface of the base is provided with for placing larynx pad and around the annular groove of mandrel periphery arrangement, the ring The cross section of shape groove is in chamfer trapezoidal shape, and the trapezoidal inclined plane of annular groove can offset conjunction with the angle of chamfer of larynx pad.
Further, it is provided with spacing hole in the middle part of the base, the bottom of the mandrel, which is provided with, to be used for and spacing hole Mutually chimeric positive stop lug boss.
Further, in the step 3), the outer ring that pressurization frock includes being used to be set in larynx lining can apply circumference to it The hollow round table shape garter spring of restraining force, for be set in can apply circumferential restraining force on the outer ring of garter spring to it there is round platform The slip lid of shape inner chamber, the top of slip lid is arranged on for transmitting the pressure sensor device of downward pressure to it and being arranged on pressure The top of Force sensor is used for the pressurization platform for applying downward pressure to it；
Connection of the garter spring by the first half garter springs and the second half hoop ring group into, the first half garter spring and the second half garter springs Place is serrated；The race diameter of the garter spring gradually increases from top to bottom, the intracavity diameter of the slip lid from top to Bottom gradually increases, and the outer loop-shaped of the cavity shape of the slip lid and garter spring matches；The slip lid can be in pressurization platform Circumferential constraint is formed to the periphery of garter spring along the outer wall slide downward of garter spring in the presence of application downward pressure.
Further, the pressurization frock also includes being arranged on the guide rod of pressurization platform both sides and led for fixation To the support platform of bar, the both sides of the pressurization platform are correspondingly arranged on the pilot hole for being passed through for guide rod.
Further, in the step 2), the assembly of N block larynxs pad is bonded into rotational-like using adhesive asserably frock Larynx lining specific method be：
2.1) mandrel is passed through to the spacing hole of base from the bottom to top until the positive stop lug boss of bottom is chimeric with spacing hole, then incites somebody to action Bushing is sleeved on mandrel；
2.2) adhesive will be smeared on the both sides trapezoidal inclined plane of larynx pad, and anti-yaw damper material is filled in strip groove It is interior；
2.3) larynx pad is circumferentially placed in annular groove successively, and by the trapezoidal of the angle of chamfer of larynx pad and annular groove Inclined-plane offsets conjunction, and the trapezoidal inclined plane of adjacent two pieces of larynx pads fits, until the assembling of last block larynx pad is completed.
Further, in the step 3), the specific step for applying pressure and circumferentially being reinforced is served as a contrast to larynx using frock of pressurizeing Suddenly it is：
3.1) the larynx lining outer ring after step 2) processing is arranged garter spring, and inwall and the upper and lower end face of garter spring are coated with the demoulding Agent, the bottom face of garter spring and the trapezoidal inclined plane of annular groove are abutted against, and every piece of larynx pad of regulation is bonded firmly with bushing；
3.2) slip lid is arranged on the outer ring top of garter spring, and pressure sensor device, pressurization are sequentially placed on the top of slip lid Platform, and the pilot hole to pressurize on platform is passed through into corresponding guide rod；
3.3) slowly apply downward pressure to pressurization platform, until pressure value stops pressurization after reaching setting value, and keep Pressure is until adhesive is fully cured.
Further, in the step 4), in machining process, larynx lining is entered by the containing ring being set on its outer ring Row clamps, described to contain the opening on ring with adjustable-tightness.
Yet further, in the step 1), N is the integer in 10~30；The cuboid blank is C/C composites Manufactured blank.
Further, in the step 2), strip anti-yaw damper material is bullet made of soft graphite or carbon fibre material Property strip component.
Compared with prior art, the invention has the advantages that：
First, the present invention is processed by the way that rotational-like larynx lining is divided into N block larynx pads along its ring, then pass through Specific assembly technology and assembly tooling connect into monoblock type larynx lining, and single larynx pad volume is small with respect to integrated throat, can have Effect ground reduces production and the difficulty of processing of larynx lining.
Second, the larynx pad that large-sized larynx lining is divided into N block small sizes by the present invention is processed, billet size will be become It is small, can effectively it save material, prepared by technique and processing cost is also minimized, simultaneously because individually larynx pad size Reduce, thickness is thinned so that carburizing is more uniform, and the quality conformance of product is easier to ensure that.
Third, the assembly of N block larynxs pad is bonded into rotational-like using adhesive asserably frock in the assembly method of the present invention Larynx lining, the base upper surface of adhesive asserably frock is provided with for placing larynx pad and around the annular of mandrel periphery arrangement Groove, the cross section of annular groove is in chamfer trapezoidal shape, can make it that the trapezoidal inclined plane of annular groove can be with the angle of chamfer phase of larynx pad To conjunction, larynx pad is played a part of supporting and positioned.
Fourth, apply the circumferential reinforcing of pressure progress, pressure H using pressurizeing frock and being served as a contrast to larynx in the assembly method of the present invention Installing can be in the presence of pressurization platform applies downward pressure along the outer wall slide downward pair of garter spring in respect of garter spring and slip lid, slip lid The periphery of garter spring forms circumferential constraint, while the auto lock that pressurizeed to the larynx pad of ring piecemeal, so as to ensure between larynx pad The uniformity of bonding.
Brief description of the drawings
Fig. 1 is a kind of structural representation of insert nozzle larynx lining；
Fig. 2 is the mplifying structure schematic diagram of larynx pad；
Fig. 3 is along the cross section structure diagram in A-A directions in Fig. 2；
Structural representation when Fig. 4 is larynx pad adhesive asserably；
Fig. 5 is structural representation when larynx serves as a contrast cure under pressure；
Fig. 6 is the structural representation of garter spring in Fig. 5；
Fig. 7 is the structural representation for containing ring；
In figure：Larynx lining 1, larynx pad 2, angle of chamfer 2.1, strip groove 2.2, adhesive asserably frock 3, base 3.1, annular groove 3.11st, spacing hole 3.12, mandrel 3.2, positive stop lug boss 3.21, bushing 3.3, pressurization frock 4, garter spring 4.1, the first half garter springs 4.11st, the second half garter springs 4.12, slip lid 4.2, pressure sensor device 4.3, pressurization platform 4.4, pilot hole 4.41, guide rod 4.5, Support platform 4.6, contain ring 5, opening 5.1.
Embodiment
With reference to specific embodiment and accompanying drawing, the present invention is described in further detail.
A kind of insert nozzle larynx lining, its ring piecemeal assembly method comprise the following steps as shown in the figure：
1) rotational-like larynx lining 1 is divided into N (N is the integer in 10~30) block larynx pad 2 along its ring to be added Work, every piece of N block larynxs pad 2 are led to by cuboid blank (regular cuboid blank made of C/C composites) on CNC milling machine Milling Machining is crossed into the isosceles trapezoid body structure with an angle of chamfer 2.1, along its length on the both sides trapezoidal inclined plane of every piece of larynx pad 2 Degree direction is machined with strip groove 2.2；
2) the assembled bonding of N block larynxs pad 2 is served as a contrast 1 into rotational-like larynx using adhesive asserably frock 3, adjacent two pieces of larynxs lining Filled with adhesive (be preferably superhigh temperature resistant organic adhesion agent) between block 2, in the strip groove 2.2 of every piece of both sides of larynx pad 2 Filled with strip anti-yaw damper material, strip anti-yaw damper material is elastic strip component made of soft graphite or carbon fibre material, " blind area " structure is formed, prevents that wearing fire causes engine operational failure；
3) the circumferential reinforcing of pressure progress is applied until adhesive is fully cured to larynx lining 1 using frock 4 of pressurizeing, guarantee larynx serves as a contrast The uniformity being bonded between block 2,；
4) after pressurization frock 4 is dismantled, the larynx lining 1 after taking-up bonding solidification carries out machine according to the shape and size of design and added Work is molded, and in machining process, larynx serves as a contrast the 1 containing ring 5 by being set on its outer ring and clamped, and contain has on ring 5 The opening 5.1 of adjustable-tightness.
In above-mentioned technical proposal, in step 2, adhesive asserably frock 3 includes base 3.1, is arranged on the middle part of base 3.1 and its The mandrel 3.2 that is vertically fixedly connected, the bushing 3.3 for being set in the outer ring of mandrel 3.2；The upper surface of base 3.1 is provided with for putting Larynx pad 2 and the annular groove 3.11 arranged around the periphery of mandrel 3.2 are put, the cross section of annular groove 3.11 is in chamfer trapezoidal shape, And the trapezoidal inclined plane of annular groove 3.11 can offset conjunction with the angle of chamfer 2.1 of larynx pad 2.The middle part of base 3.1 is provided with spacing hole 3.12, the bottom of mandrel 3.2 is provided with for the positive stop lug boss 3.21 mutually chimeric with spacing hole 3.12.
In above-mentioned technical proposal, in step 2, the assembly of N block larynxs pad 2 is bonded into revolving body using adhesive asserably frock 3 Shape larynx lining 1 specific method be：
2.1) by mandrel 3.2 from the bottom to top through base 3.1 spacing hole 3.12 until bottom positive stop lug boss 3.21 with Spacing hole 3.12 is chimeric, then bushing 3.3 is sleeved on mandrel 3.2；
2.2) adhesive will be smeared on the both sides trapezoidal inclined plane of larynx pad 2, and anti-yaw damper material is filled in strip groove It is 2.2 interior；
2.3) larynx pad 2 is circumferentially placed in annular groove 3.11 successively, and by the angle of chamfer 2.1 and ring of larynx pad 2 The trapezoidal inclined plane of shape groove 3.11 offsets conjunction, until the assembling of last block larynx pad 2 is completed, the trapezoidal bulk area of larynx pad 2 is minimum A side end face be bonded towards bushing 3.3 and with its outer wall, be bonded to each other between the trapezoidal inclined plane of adjacent two pieces of larynx pads 2, larynx The width of pad 2 gradually increases from one end towards bushing 3.3 to one end towards garter spring 4.1.
In above-mentioned technical proposal, in step 3, the outer ring that pressurization frock 4 includes being used to be set in larynx lining 1 can apply week to it Hollow round table shape garter spring 4.1 to restraining force, for being set on the outer ring of garter spring 4.1 it can apply circumferential restraining force to it Slip lid 4.2 with round table-like inner chamber, it is arranged on pressure sensor device of the top of slip lid 4.2 for transmitting downward pressure to it 4.3rd, the top for being arranged on pressure sensor device 4.3 is used to apply it on pressurization platform 4.4 of downward pressure, is arranged on to pressurize and puts down The guide rod 4.5 of the both sides of platform 4.4 and the support platform 4.6 for fixed guide pole 4.5, the both sides of pressurization platform 4.4 are corresponding It is provided with the pilot hole 4.41 for being passed through for guide rod 4.5.Garter spring 4.1 is by the first half garter springs 4.11 and the second half garter springs 4.12 Composition, the junction of the first half garter springs 4.11 and the second half garter springs 4.12 are serrated；The race diameter of garter spring 4.1 from top to Bottom gradually increases, and the intracavity diameter of slip lid 4.2 gradually increases from top to bottom, and the cavity shape and garter spring of slip lid 4.2 4.1 outer loop-shaped matches；Slip lid 4.2 can be in the presence of pressurization platform 4.4 applies downward pressure along the outer wall of garter spring 4.1 Slide downward forms circumferential constraint to the periphery of garter spring 4.1.
In above-mentioned technical proposal, in step 3, using pressurize frock 4 to larynx lining 1 application pressure circumferentially reinforced it is specific Step is：
3.1) larynx after step 2 processing serves as a contrast 1 outer ring and is arranged garter spring 4.1, and the inwall of garter spring 4.1 is smeared with upper and lower end face There is releasing agent, the adhesive for ensureing to be extruded bonds together itself and larynx pad 2, bottom face and the annular of garter spring 4.1 The trapezoidal inclined plane of groove 3.11 abuts against, and checks and adjusts every piece of larynx pad 2 manually and be bonded with bushing 3.3 firmly, bushing 3.3 is served as reasons Resilient nonmetallic material is made；
3.2) slip lid 4.2 is arranged on the outer ring top of garter spring 4.1, and pressure sensing is sequentially placed on the top of slip lid 4.2 Device 4.3, pressurization platform 4.4, and the pilot hole 4.41 to pressurize on platform 4.4 is passed through into corresponding guide rod 4.5；
3.3) slowly apply downward pressure to pressurization platform 4.4, until pressure value stops pressurization after reaching setting value, and protect Pressure is held until adhesive is fully cured.
The present invention, by original monoblock type larynx lining structure, is divided into the N block larynx pads of specific structure form by the way that larynx is served as a contrast, Monoblock type larynx is connected into by specific assembly technology and assembly tooling again to serve as a contrast.Single larynx pad volume is with respect to integrated throat It is small, production and the difficulty of processing of larynx lining can be effectively reduced；Because to diminish to billet size, can effectively save material, Prepared by technique and processing cost is also minimized；Simultaneously because individually larynx pad size reduces, thickness is thinned so that carburizing compared with To be uniform, the quality conformance of product is easier to ensure that.
It these are only the embodiment of the present invention, it is noted that any those skilled in the art are in this hair In bright disclosed technical scope, the change or replacement that can readily occur in should be all included within the scope of the present invention.

Claims (10)

  1. A kind of 1. ring piecemeal assembly method of insert nozzle larynx lining, it is characterised in that：It comprises the following steps：
    1) rotational-like larynx lining (1) is divided into N block larynx pads (2) along its ring to be processed, every piece of larynx pad (2) By cuboid blank on CNC milling machine by Milling Machining into the isosceles trapezoid body structure with an angle of chamfer (2.1), every piece Strip groove (2.2) is machined with along its length on the both sides trapezoidal inclined plane of the larynx pad (2)；
    2) the assembled bonding of N block larynx pads (2) is served as a contrast into (1) into rotational-like larynx using adhesive asserably frock (3), adjacent two pieces of institutes State and adhesive is filled between larynx pad (2), strip is filled with the strip groove (2.2) of every piece of larynx pad (2) both sides Anti-yaw damper material；
    3) apply pressure to larynx lining (1) using frock of pressurizeing (4) and carry out circumferential reinforcing, until adhesive is fully cured；
    4) it will pressurize after frock (4) dismounting, and take out the larynx after bonding solidification and serve as a contrast (1), machine is carried out according to the shape and size of design Machine-shaping.
  2. 2. the ring piecemeal assembly method of insert nozzle larynx lining according to claim 1, it is characterised in that：The step 2) in, adhesive asserably frock (3) includes base (3.1), is arranged on the perpendicular mandrel being fixedly connected in the middle part of base (3.1) (3.2), it is set in the bushing (3.3) of mandrel (3.2) outer ring；
    The upper surface of the base (3.1) is provided with for placing larynx pad (2) and around the annular of mandrel (3.2) periphery arrangement Groove (3.11), the cross section of the annular groove (3.11) are in chamfer trapezoidal shape, and the trapezoidal inclined plane of annular groove (3.11) can be with The angle of chamfer (2.1) of larynx pad (2) offsets conjunction.
  3. 3. the ring piecemeal assembly method of insert nozzle larynx lining according to claim 2, it is characterised in that：The base (3.1) spacing hole (3.12) is provided with the middle part of, the bottom of the mandrel (3.2) is provided with for mutually embedding with spacing hole (3.12) The positive stop lug boss (3.21) of conjunction.
  4. 4. the ring piecemeal assembly method of insert nozzle larynx lining according to claim 3, it is characterised in that：The step 3) in, the outer ring that pressurization frock (4) includes being used to be set in larynx lining (1) can apply the hollow round table shape hoop of circumferential restraining force to it Ring (4.1), the cunning with round table-like inner chamber that circumferential restraining force can be applied for being set on the outer ring of garter spring (4.1) to it Lid (4.2), the top of slip lid (4.2) is arranged on for transmitting the pressure sensor device (4.3) of downward pressure to it and setting It is used for the pressurization platform (4.4) for applying downward pressure to it in the top of pressure sensor device (4.3)；
    The garter spring (4.1) is made up of the first half garter springs (4.11) and the second half garter springs (4.12), the first half garter spring (4.11) junction with the second half garter springs (4.12) is serrated；The race diameter of the garter spring (4.1) is from top to bottom Gradually increase, the intracavity diameter of the slip lid (4.2) gradually increases from top to bottom, and the inner chamber shape of the slip lid (4.2) The outer loop-shaped of shape and garter spring (4.1) matches；The slip lid (4.2) can apply the work of downward pressure in pressurization platform (4.4) Circumferential constraint is formed to the periphery of garter spring (4.1) with the lower outer wall slide downward along garter spring (4.1).
  5. 5. the ring piecemeal assembly method of insert nozzle larynx lining according to claim 4, it is characterised in that：The pressurization Frock (4) also includes being arranged on the guide rod (4.5) of pressurization platform (4.4) both sides and the branch for fixed guide pole (4.5) Platform (4.6) is supportted, the both sides of the pressurization platform (4.4) are correspondingly arranged on the pilot hole for being passed through for guide rod (4.5) (4.41)。
  6. 6. the ring piecemeal assembly method of insert nozzle larynx lining according to claim 3, it is characterised in that：The step 2) in, the assembled bonding of N block larynx pads (2) is served as a contrast to the specific method of (1) using adhesive asserably frock (3) into rotational-like larynx For：
    2.1) mandrel (3.2) is passed through to the spacing hole (3.12) of base (3.1) from the bottom to top until the positive stop lug boss of bottom (3.21) it is chimeric with spacing hole (3.12), then bushing (3.3) is sleeved on mandrel (3.2)；
    2.2) adhesive will be smeared on the both sides trapezoidal inclined plane of larynx pad (2), and anti-yaw damper material is filled in strip groove (2.2) in；
    2.3) larynx pad (2) is circumferentially placed in annular groove (3.11) successively, and by the angle of chamfer (2.1) of larynx pad (2) Offseted conjunction with the trapezoidal inclined plane of annular groove (3.11), the trapezoidal inclined plane of adjacent two pieces of larynx pads (2) fits, until last block Larynx pad (2) assembling is completed.
  7. 7. the ring piecemeal assembly method of insert nozzle larynx lining according to claim 5, it is characterised in that：The step 3) in, concretely comprised the following steps using frock of pressurizeing (4) to what larynx lining (1) application pressure was circumferentially reinforced：
    3.1) larynx lining (1) outer ring after step 2 processing is arranged garter spring (4.1), and the inwall of garter spring (4.1) applies with upper and lower end face Releasing agent is wiped with, the trapezoidal inclined plane of the bottom face and annular groove (3.11) of garter spring (4.1) abuts against, and adjusts every piece of larynx pad (2) It is bonded firmly with bushing (3.3)；
    3.2) slip lid (4.2) is arranged on the outer ring top of garter spring (4.1), and pressure biography is sequentially placed on the top of slip lid (4.2) Induction device (4.3), pressurization platform (4.4), and the pilot hole (4.41) that will be pressurizeed on platform (4.4) passes through corresponding guide rod (4.5)；
    3.3) slowly apply downward pressure to pressurization platform (4.4), until pressure value stops pressurization after reaching setting value, and keep Pressure is until adhesive is fully cured.
  8. 8. the ring piecemeal assembly method of the insert nozzle larynx lining according to any one of claim 1~7, its feature exist In：In the step 4), in machining process, larynx lining (1) is clamped by the containing ring (5) being set on its outer ring, It is described to contain the opening (5.1) on ring (5) with adjustable-tightness.
  9. 9. the ring piecemeal assembly method of the insert nozzle larynx lining according to any one of claim 1~7, its feature exist In：In the step 1), N is the integer in 10~30；The cuboid blank is blank made of C/C composites.
  10. 10. the ring piecemeal assembly method of the insert nozzle larynx lining according to any one of claim 1~7, its feature exist In：In the step 2), strip anti-yaw damper material is elastic strip component made of soft graphite or carbon fibre material.
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CN113153581A (en) * 2021-04-28 2021-07-23 哈尔滨工程大学 Flexible double-bell-shaped spray pipe with structure of flow charging pipeline coated by extensible material
CN113323770A (en) * 2021-05-18 2021-08-31 湖北三江航天江北机械工程有限公司 Special device for precisely bonding throat linings of large solid rocket engine in blocks
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CN114962406A (en) * 2022-07-29 2022-08-30 常州金戎华机械有限公司 Packaging material handling device

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Publication number Priority date Publication date Assignee Title
CN113153581A (en) * 2021-04-28 2021-07-23 哈尔滨工程大学 Flexible double-bell-shaped spray pipe with structure of flow charging pipeline coated by extensible material
CN113153581B (en) * 2021-04-28 2022-11-15 哈尔滨工程大学 Flexible double-bell-shaped spray pipe with structure of flow charging pipeline coated by extensible material
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CN113339373A (en) * 2021-05-18 2021-09-03 湖北三江航天江北机械工程有限公司 Method for forming throat insert of large solid rocket engine
CN113339373B (en) * 2021-05-18 2022-06-10 湖北三江航天江北机械工程有限公司 Method for forming throat insert of large solid rocket engine
CN113323770B (en) * 2021-05-18 2022-08-09 湖北三江航天江北机械工程有限公司 Special device for precisely bonding throat linings of large solid rocket engine in blocks
CN114962406A (en) * 2022-07-29 2022-08-30 常州金戎华机械有限公司 Packaging material handling device
CN114962406B (en) * 2022-07-29 2022-11-15 常州金戎华机械有限公司 Packaging material handling device

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