CN112659062A - Assembling method for folding control surface - Google Patents
Assembling method for folding control surface Download PDFInfo
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- CN112659062A CN112659062A CN202011540298.7A CN202011540298A CN112659062A CN 112659062 A CN112659062 A CN 112659062A CN 202011540298 A CN202011540298 A CN 202011540298A CN 112659062 A CN112659062 A CN 112659062A
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- torsion spring
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Abstract
The invention relates to a folding control surface assembling method, belongs to the technical field of control surface assembling, and solves the problems that the control and alignment of the pre-tightening force of a torsion spring are difficult in the existing control surface assembling process, the positioning and clamping requirements of the front section and the rear section of a control surface are high, and the accessibility of manual operation in a narrow space is poor. The assembling method comprises the following steps: a first positioning and clamping structure is adopted to position and clamp the front section of the control surface; positioning and clamping the rear section of the control surface by adopting a second positioning and clamping structure; inserting a torsion spring positioning piece into an installation hole close to the front section of the control surface; rotating a hand wheel screw to align the screw hole at the rear section of the control surface with the screw hole at the front section of the control surface; and mounting screws to complete the mounting of the front section and the rear section of the control surface. The folding control surface assembly tool comprises a first positioning and clamping structure, a second positioning and clamping structure, a torsion spring alignment structure and a directional driving mechanism. The invention realizes the positioning, clamping, relative movement and reliable locking of the front section and the rear section of the control surface.
Description
Technical Field
The invention relates to the technical field of control surface assembly, in particular to a folding control surface assembly method.
Background
With the continuous development and progress of aircrafts in recent years, the control surface is used as a key component for adjusting the attitude of the aircrafts, and various index parameters of the control surface are continuously improved.
The folding structure control surface uses a large-torque torsion spring as a main driving force of the folding and unfolding mechanism, and the assembly space is narrow, and the assembly contact surfaces of the front section and the rear section of the control surface are longer than the installation matching surfaces of the torsion spring, so that the installation hole of the rear section of the control surface cannot be aligned when the torsion spring is in a free state, and the front section and the rear section of the control surface cannot be installed in place while the torsion spring is pre-tightened.
In the assembly process, a torsion spring needs to be pre-installed in the front section of the control surface, then the torsion spring is rotated to a pre-tightening state by using the rear section of the control surface, and then the rear section of the control surface is pushed to be installed in the front section of the control surface along a straight path under the condition that the pre-tightening state of the torsion spring is maintained; frequent knocking and vibration in the assembling process can cause the surface protective coating of the control surface to fall off, so that the design requirements are difficult to meet, and the use effect of the final control surface is influenced.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a method for assembling a folded control surface, which can solve at least one of the following technical problems: (1) the control and alignment of the pre-tightening force of the torsion spring are difficult in the control surface assembling process; (2) the front and rear sections of the control surface are positioned and clamped with high requirements, and the accessibility of manual operation in narrow space is poor; (3) the surface coating of the control surface is lack of effective protection, so that the surface coating of the control surface is damaged.
The purpose of the invention is mainly realized by the following technical scheme:
on one hand, the invention also provides a folding control surface assembling method, which is used for assembling the front section and the rear section of the control surface and comprises the following steps:
step 1: a first positioning and clamping structure is adopted to position and clamp the front section of the control surface;
step 2: rotating a hand wheel screw to enable the positioning part to be far away from the front section of the control surface;
and step 3: and positioning and clamping the rear section of the control surface by adopting a second positioning and clamping structure:
and 4, step 4: inserting a torsion spring positioning piece into an installation hole close to the front section of the control surface;
and 5: rotating a hand wheel lead screw to enable the rear section of the control surface to be close to the front section of the control surface, and enabling a torsion spring mounting handle on the front section of the control surface to be flush with the butt joint surface of the rear section of the control surface;
step 6: continuing to rotate the hand wheel screw to enable the rear section of the control surface to be further close to the front section of the control surface until the screw hole of the rear section of the control surface is aligned with the screw hole of the front section of the control surface;
and 7: and mounting screws to complete the assembly of the front section and the rear section of the control surface.
Based on the further improvement of the assembly method, the step 1 specifically comprises the following steps: and inserting the rotating shaft at the front section of the control surface into the rotating shaft hole of the mounting seat and inserting the positioning bolt.
Based on the above further improvement of the assembling method, the step 1 further comprises: and the upper pressure plate is arranged on the screws at the two sides and is fixed through nuts.
Based on the further improvement of the assembly method, the step 2 specifically comprises the following steps: and the hand wheel screw rod is rotated anticlockwise, the tightening rod drives the positioning part to move along the guide rod until the positioning part is farthest away from the front section of the control surface.
Based on the further improvement of the assembling method, the step 3 specifically comprises the following steps: and mounting the rear section of the control surface between the second clamping part and the first side plate, and then screwing the screw on the pressing part.
Based on the further improvement of the assembling method, the step 4 specifically includes: and (4) mounting a torsion spring positioning piece to a first mounting hole close to the butt joint surface of the front section of the rudder surface, and fixing.
Based on the above further improvement of the assembling method, the step 7 further comprises the following steps: and taking down the assembled folded control surface.
Based on the further improvement of the assembling method, the assembling of the folding control surface is completed by adopting an assembling tool.
Based on the further improvement of the assembling method, the assembling tool comprises a first positioning and clamping structure, a second positioning and clamping structure, a torsion spring alignment structure and a directional driving mechanism.
Based on further improvement of the assembly method, the folding control surface assembly tool further comprises a torsion spring alignment structure, and the torsion spring alignment structure is used for aligning a torsion spring mounting handle on the front section of the control surface and a torsion spring mounting hole on the rear section of the control surface; the torsion spring alignment structure is located between the first positioning and clamping structure and the second positioning and clamping structure.
Based on the further improvement of the assembly method, the first positioning and clamping structure comprises a positioning and clamping assembly, the positioning and clamping assembly comprises a base and a mounting seat, and the mounting seat is fixed on the base.
Based on the further improvement of the assembling method, the method between the step 2 and the step 3 further comprises the following steps: and loosening the fixing screw on the pressing part to increase the distance between the second clamping part and the first side plate of the positioning part.
Based on the further improvement of the assembling method, the following steps are also included between the step 5 and the step 6:
step a: pulling the torsion spring alignment lever until the torsion spring mounting handle is aligned with a torsion spring mounting hole on the rear section of the control surface;
step b: continuing to rotate the hand wheel screw clockwise until the rear section of the control surface is contacted with the torsion spring positioning piece;
step c: and loosening the screw on the torsion spring positioning piece to take down the torsion spring positioning piece from the front section of the control surface.
Based on the further improvement of the assembling method, the step of taking down the assembled folded control surface comprises the following steps:
step i: loosening a fixing screw on the pressing plate to enable the second clamping part to be completely separated from the rear section of the control surface;
step ii: loosening the nut on the upper pressure plate, and drawing the upper pressure plate out of the screw;
step iii: drawing out the positioning bolt in the mounting seat;
step iv: and (5) arranging all parts of the control surface assembly tool, and returning and storing.
Based on the further improvement of the assembly method, the first positioning and clamping structure is used for positioning and clamping the front section of the control surface, the second positioning and clamping structure is used for positioning and clamping the rear section of the control surface, and the torsion spring alignment structure is used for aligning a torsion spring mounting handle on the front section of the control surface and a torsion spring mounting hole on the rear section of the control surface; the directional driving mechanism is connected with the second positioning and clamping structure and is used for driving the second positioning and clamping structure to move; the torsion spring alignment structure is located between the first positioning and clamping structure and the second positioning and clamping structure.
Based on the further improvement of the assembly method, the mounting seat comprises a lower part and an upper part, the upper part is provided with a rotating shaft hole for inserting a rotating shaft at the front section of the control surface, and the lower part is connected with the base.
Based on the further improvement of the assembling method, the side wall of the upper part is provided with a positioning hole.
Based on the further improvement of the assembly method, the first positioning and clamping structure further comprises a first clamping portion, the first clamping portion comprises a screw rod and a nut upper pressing plate, the screw rod is fixed on the base, and the upper pressing plate is fixed on the screw rod.
Based on the further improvement of the assembly method, the number of the screws is two, and the two screws are respectively positioned on two sides of the front section of the control surface.
Based on a further improvement of the assembling method, the second positioning and clamping structure comprises a positioning part, the positioning part comprises a first side plate and a second side plate which are opposite, a cavity is formed between the first side plate and the second side plate, and the first side plate is higher than the second side plate.
Based on the further improvement of the assembling method, the second positioning and clamping structure further comprises a pressing part, and the pressing part is arranged on the outer wall of the second side plate and used for fixing the rear section of the control surface.
Based on the further improvement of the assembly method, the bottom of the positioning part is provided with a bulge, and the base is provided with a groove matched with the bulge.
Based on the further improvement of the assembling method, the assembling tool further comprises a guide rod assembly for enhancing the movement stability of the positioning part.
Based on a further improvement of the assembling method, the second positioning and clamping structure further comprises a second clamping part; the second clamping portion is located in the cavity and close to the second side plate, the rear section of the control surface is installed between the first side plate and the second clamping portion, and the outer shape surface of the second clamping portion is matched with the shape of the outer shape surface of the rear section of the control surface.
Based on the further improvement of the assembly method, the guide rod assembly comprises a guide rod and a support plate, and the support plate is fixed on the base and is positioned between the first positioning and clamping structure and the torsion spring alignment structure; the thrust bearing with all be equipped with in the backup pad and be used for the installation the hole of guide bar, the third side plate of location portion is equipped with the confession the guide hole that the guide bar passed.
Based on the further improvement of the assembly method, the torsion spring alignment structure comprises a torsion spring positioning piece and a torsion spring lever, wherein the torsion spring positioning piece is provided with a through hole corresponding to the first mounting hole of the front section of the control surface and a pin hole used for being connected with one end of the torsion spring alignment lever.
Based on the further improvement of the assembly method, the front section of the control surface comprises a front section rotating shaft of the control surface, a front section butting surface of the control surface and a front section separating surface of the control surface, a torsion spring extends out of the front section butting surface of the control surface, three mounting holes are formed in the front section separating surface of the control surface, the mounting hole close to the front section butting surface of the control surface is a first mounting hole, and the torsion spring comprises a torsion spring mounting handle.
Based on the further improvement of the assembly method, the control surface rear section comprises a control surface rear section butt joint surface and a control surface rear section separation surface, three mounting holes corresponding to the three mounting holes on the control surface front section separation surface are formed in the control surface rear section separation surface, a torsion spring mounting hole extending into the control surface rear section is formed in the control surface rear section butt joint surface, a torsion spring mounting handle enters the torsion spring mounting hole, and the control surface rear section separation surface is lower than the surface of the control surface rear section.
Based on the further improvement of the assembly method, according to the sequence from far to near from the positioning part, the directional driving mechanism comprises a hand wheel lead screw, a hand wheel base, a thrust seat and a tightening rod, the hand wheel base is fixed on the thrust seat, the bottom of the thrust seat is fixed on the base, the hand wheel lead screw is matched with the hand wheel base through a shaft hole, the hand wheel lead screw is connected with the tightening rod, the tightening rod is connected with a third side plate of the positioning part, and the hand wheel lead screw drives the positioning part to move.
Based on the further improvement of the assembling method, the lower surface of the upper pressure plate is provided with a protection part, and the protection part is used for preventing the front section of the control surface from being damaged in the clamping process.
Based on a further improvement of the above assembly method, the surface of the second clamping portion is provided with a protection portion.
Compared with the prior art, the invention can realize at least one of the following beneficial effects:
(1) the second clamping part (clamping block) is designed in the limited cavity space of the positioning part, and the rear section of the control surface is fixed between the side plate of the positioning plate and the clamping block by using the pressing part (pressing plate), so that the effective positioning and clamping functions of the rear section of the control surface are realized;
(2) by arranging the torsion spring alignment lever, the torque originally applied to the torsion spring mounting handle is converted into the acting force of manually pulling the torsion spring alignment lever, and the mounting position of the torsion spring is aligned through the angular displacement of the torsion spring alignment lever (namely, the position of the torsion spring mounting handle is adjusted by pulling the torsion spring alignment lever to align the torsion spring mounting handle with a torsion spring mounting hole on the rear section of the control surface), so that the application and the directional alignment of the pre-tightening force of the torsion spring are realized;
(3) the rear section of the rudder surface is driven to move forwards along a straight line and assembled in place by arranging the directional driving mechanism, and finally, the positioning, clamping, relative movement and reliable locking of the front section and the rear section of the rudder surface are realized;
(4) the protection part (such as a bonded conformal rubber pad) is arranged on the surface of the second clamping part (clamping block), so that the surface coating of the control surface is prevented from being collided and damaged due to direct contact with a metal piece in the moving process of the rear section of the control surface, and the surface coating of the control surface is effectively protected;
(5) the protective part (such as a bonded conformal rubber pad) is arranged on the lower surface of the lower pressing plate, so that the surface coating of the front section of the control surface is prevented from being damaged in the clamping process;
(6) by adopting a specific driving mode (namely, hand wheel lead screw driving), the positioning part can overcome resistance caused by torsional moment and friction force in the moving process after a torsional spring with pretightening force is installed, and the positioning part drives the rear section of the control surface to stably move and is fixedly locked according to needs;
(7) by providing a guide bar assembly, the stability of the movable second positioning and clamping structure during movement is increased.
(8) The assembly tool disclosed by the invention realizes the control and alignment of the pre-tightening force of the torsion spring, the positioning, clamping, relative movement and reliable locking of the front section and the rear section of the control surface, the surface coating of the control surface is protected, the equipment number of assembly operators is reduced, the assembly operation difficulty is reduced, the assembly accessibility in a narrow space is improved, and the assembly quality is ensured;
(9) the folding structure control surface assembled by the assembly method has excellent assembly quality and use effect.
In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth 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 drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a schematic structural view of a control surface assembly fixture;
FIG. 2 is a schematic view of a control surface assembled by using the assembly tool of FIG. 1; (ii) a
FIG. 3 is a schematic view of an alignment structure of the torsion spring;
FIG. 4 is a front-end structure diagram of a control surface;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
FIG. 6 is a rear section structure diagram of a control surface;
fig. 7 is a flow chart of an assembly method.
Reference numerals:
1-a base; 2-a support plate; 3-torsion spring alignment lever; 4-a compression part; 5-clamping the block; 6-a guide rod; 7-hand wheel lead screw; 8-hand wheel base; 9-a thrust block; 10-a tightening rod; 11-a first side panel; 12-a torsion spring retainer; 13-a screw; 14-a rubber pad; 15-a nut; 16-an upper platen; 17-a mounting seat; 18-positioning bolts; 19-a screw; 20-a torsion spring mounting shank; 21-front butt joint surface of control surface; 22-a first mounting hole; 23-a rudder surface front section separating surface; 24-torsion spring mounting holes; 25-a butt joint surface at the rear section of the control surface; 26-rear section separation surface of control surface; 27-a front-section rotating shaft of the control surface; 28-rotating shaft hole; 29-a second side panel; 30-a third side panel; 31-a through hole; 32-pin hole.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope.
The control surface is generally formed by assembling a front control surface section and a rear control surface section, when the rear control surface section is assembled, the front control surface section is reliably fixed, and the rear control surface section is aligned with the front control surface section according to a theoretical position, so that the effective positioning and clamping of the front and rear control surface sections are met; when the torsion spring is adjusted from a free state to a pre-tightening state, an operator can flexibly adjust the position of a torsion spring mounting handle according to an actual assembly state, so that the control and alignment of the pre-tightening force of the torsion spring are realized; in addition, a directional driving mechanism is required to be arranged when the rear section of the rudder surface is assembled to enable the rear section of the rudder surface to move along a straight line and be assembled in place, and finally positioning, clamping, relative movement and reliable locking of the front section and the rear section of the rudder surface are achieved; meanwhile, the tool needs to be provided with a control surface coating protection measure to avoid collision and damage.
The structure of the front section of the control surface is shown in fig. 4 and 5, the front section of the control surface comprises a front section rotating shaft 27 of the control surface, a front section butting surface 21 of the control surface and a front section separating surface 23 of the control surface, a torsion spring extends out of the front section butting surface 21 of the control surface, three mounting holes are formed in the front section separating surface 23 of the control surface, a first mounting hole 22 is formed in the mounting hole close to the front section butting surface of the control surface, and the torsion spring comprises a torsion spring mounting handle 20.
As shown in fig. 6, the control surface rear section includes a control surface rear section butt-joint surface 25 and a control surface rear section separation surface 26, three mounting holes corresponding to the three mounting holes on the control surface front section separation surface 23 are formed on the control surface rear section separation surface 26, a torsion spring mounting hole 24 extending into the control surface rear section is formed on the control surface rear section butt-joint surface 25, a torsion spring mounting shank 20 enters the torsion spring mounting hole 24, and the control surface rear section separation surface 26 is lower than the surface of the control surface rear section.
Example one
The invention discloses a control surface assembly tool, which is used for assembling a front control surface section and a rear control surface section. As shown in fig. 1, the rudder surface assembling tool comprises a first positioning and clamping structure, a second positioning and clamping structure, a torsion spring alignment structure and a directional driving mechanism.
The structure and function of each part in the control surface assembly tool will be described in detail below.
The first positioning and clamping structure is used for positioning and clamping the front section of the control surface and providing a foundation for a subsequent structure. The first positioning and clamping structure comprises a positioning and clamping assembly and a first clamping part.
As shown in fig. 1, the positioning and clamping assembly comprises a base 1, a mounting seat 17, a positioning bolt 18 and a screw 19. The mounting seat 17 comprises a lower part and an upper part, and the lower part is fixed on the base 1 through 4 screws. Upper portion is equipped with confession rudder face anterior segment pivot 27 male pivot hole 28, and after rudder face anterior segment pivot 27 inserted pivot hole 28, through location bolt 18 restriction rudder face anterior segment position, the removal takes place for the rudder face anterior segment in avoiding the assembling process.
In a possible embodiment, the side wall of the upper part of the mounting seat 17 is provided with a through positioning hole, and the positioning bolt 18 passes through the positioning hole to position the front section of the control surface.
In another possible embodiment, the first clamping portion includes a screw 13, a rubber pad 14, a nut 15, and an upper platen 16. The screw rods 13 are fixed on the base 1 through nuts 15, the upper pressing plate 16 is fixed on the two screw rods 13 through the nuts 15, and the rubber pads 14 are arranged on the lower surface of the upper pressing plate 16 to prevent damage to a control surface in the clamping process. Illustratively, the number of screws 13 is two.
It should be noted that, in order to increase the stability of the positioning and clamping of the front section of the control surface, the support surface adopts two distributed supports and is designed symmetrically with the clamping point. Specifically, two screws 13 are respectively positioned on two sides of the front section of the control surface, so that the uniform stress of the control surface is ensured, and the inclination of the control surface caused by the unilateral stress is avoided.
The in-process of clamping the control surface anterior segment in location using above-mentioned location clamping assembly to the rudder shaft of control surface anterior segment is fixed center, and control surface anterior segment lower surface is as the holding surface, and control surface anterior segment upper surface is as pressing from both sides tight face, location locking control surface anterior segment.
Referring to fig. 1 and 2, the second positioning and clamping structure is used for positioning and clamping the rear section of the control surface and is connected with the directional driving mechanism to realize directional movement of the rear section of the control surface.
In a preferred embodiment, the second positioning and clamping structure comprises a positioning part, a second clamping part and a pressing part, wherein the positioning part comprises a first side plate 11, a second side plate 29 and a third side plate 30 which are opposite. The first side plate 11, the second side plate 29 and the third side plate 30 enclose a cavity, and the first side plate 11 is higher than the second side plate 29. Exemplarily, the second clamping part may be a clamping block 5.
The clamping block 5 is located in the cavity and close to the second side plate 29, the rear section of the control surface is installed between the first side plate 11 and the clamping block 5, the outer profile of the clamping block 5 is matched with the outer profile of the rear section of the control surface in shape, and the rear section of the control surface is stably clamped through a combined positioning mode of the outer profile of the rear section of the control surface and the mounting hole.
The compressing part 4 is arranged on the outer wall of the second side plate 29 and used for fixing the rear section of the control surface. Illustratively, the pressing portion 4 may be a pressing plate.
In order to realize the movement of the second positioning and clamping structure, in a possible embodiment, a protrusion is arranged at the bottom of the positioning part, the protrusion is matched with the groove of the base 1, and is used as a limiting device for the movement of the positioning part together with the guide rod 6 of the guide rod assembly, so that the positioning part is ensured to move along a straight line all the time.
Illustratively, the protrusion is rectangular in cross-section, referred to as a rectangular key block, and the corresponding recess is referred to as a rectangular key slot.
The orientation drive mechanism is described below. The orientation driving mechanism is used for driving the second positioning and clamping structure to move. According to the order from far to near apart from location portion, this directional drive mechanism includes hand wheel lead screw 7, hand wheel base 8, thrust bearing 9 and puller bar 10, and hand wheel base 8 passes through the fix with screw on thrust bearing 9, is the shaft hole cooperation between hand wheel lead screw 7 and the hand wheel base 8, and hand wheel lead screw 7 passes through threaded connection with puller bar 10, and puller bar 10 passes through pin joint with the third side panel 30 of location portion, when rotating hand wheel lead screw 7, drives location portion through threaded connection and makes linear motion.
The directional driving mechanism is driven by a hand wheel lead screw, so that the resistance caused by the torsional moment and the friction force in the moving process can be overcome after the positioning part is provided with the torsional spring with the pretightening force, the positioning part drives the rear section of the control surface to stably move, and the control surface is fixedly locked according to the requirement.
In consideration of the possibility of the positioning part shaking during the movement, in one possible embodiment, a guide rod assembly is arranged on the front positioning and clamping assembly of the control surface. Through setting up the guide bar subassembly, increased the stability of portable rudder face back end locating piece removal in-process.
Specifically, the guide bar assembly includes the guide bar 6 and the support plate 2. In a possible embodiment, the support plate 2 is fixed to the base 1 by screws or by welding.
The thrust block 9 and the support plate 2 are provided with coaxial holes for mounting the guide rods 6, the guide rods 6 passing through the guide holes of the third side plate 30.
Next, referring to fig. 3, a torsion spring alignment structure will be described. The torsion spring alignment structure is used for aligning a torsion spring mounting handle on the front section of the control surface and a torsion spring mounting hole on the rear section of the control surface.
In a possible embodiment, the torsion spring alignment structure comprises a torsion spring positioning piece 12 and a torsion spring alignment lever 3, wherein the torsion spring positioning piece 12 is provided with a through hole 31 corresponding to the first mounting hole of the front section of the control surface and a pin hole 32 for connecting with one end of the torsion spring alignment lever.
It should be noted that, in the process of designing the torsion spring alignment lever, the torsion spring needs to be pre-installed in the front section of the control surface, and is axially stationary relative to the front section of the control surface, and when applying a pre-tightening force, the torsion spring mounting handle needs to rotate by a certain angle along the axis. Therefore, the mounting holes of the front section and the rear section of the control surface are selected as force application points, a torsion spring alignment lever structure is designed, an operator flexibly adjusts the lever position according to the actual assembly state, the torsion spring mounting handle is aligned to the mounting hole of the rear section of the control surface, and the pre-tightening force control and alignment of the torsion spring are achieved.
In order to avoid the surface coating layer from falling off in the assembly process of the rear section of the control surface, the conformal rubber pad is adhered to the surface of the clamping block 5, so that the surface coating layer is effectively prevented from being collided and damaged due to direct contact with a metal piece in the movement process of the rear section of the control surface, and the surface protection coating of the control surface is protected.
Example two
In another embodiment of the invention, a control surface assembly method is disclosed, as shown in fig. 7, which is suitable for the assembly process of a control surface with a folding structure containing a high-torque torsion spring element. Specifically, the assembling method comprises the following steps:
(1) the rotating shaft 27 of the front section of the control surface is inserted into the rotating shaft hole of the mounting seat 17, the angular position of the front section of the control surface is adjusted, the positioning bolt 18 is inserted for restraint, and the screw rods 13 on the two sides are avoided in the process of inserting the front section of the control surface, so that the screw rods are prevented from rubbing the surface coating of the control surface;
(2) installing an upper pressing plate 16 on screw rods 13 at two sides and fixing the upper pressing plate by nuts 15, checking whether a rubber pad 14 at the bottom surface of the upper pressing plate 16 exists before installation, and installing the upper pressing plate at the rear side without errors to avoid damaging a surface coating of a control surface;
(3) the hand wheel screw 7 is rotated anticlockwise, and at the moment, the tightening rod 10 drives the positioning part to move along the guide rod, so that the positioning part is gradually far away from the front section of the control surface to the maximum distance;
(4) loosening the fixing screw on the pressure plate to increase the distance between the clamping block 5 and the first side plate 11;
(5) the rear section of the control surface is arranged between the clamping block 5 and the first side plate 11 to ensure that the molded surfaces are completely attached, and at the moment, the fixing screw on the pressing plate is screwed down to tightly fix the rear section of the control surface by the clamping block 5 and the positioning plate 11;
(6) a torsion spring positioning piece 12 is arranged in a first mounting hole 22 close to the front butt joint surface 21 of the control surface and is fixed by screws; the torsion spring positioning piece 12 and the torsion spring alignment lever 3 are fixedly connected through a pin, and the torsion spring alignment lever 3 can be pulled to rotate smoothly;
(7) the hand wheel screw 7 is clockwise rotated, the puller rod 10 drives the positioning part to move along the guide rod 6, so that the rear section of the control surface fixed on the positioning part is gradually close to the front section of the control surface, the control surface is stopped when the control surface is moved until the torsion spring mounting handle 20 on the front section of the control surface is flush with the butt joint surface 25 of the rear section of the control surface, and the separation surface 23 of the front section of the control surface is completely contacted with the separation surface 26 of the rear section of the control surface in the movement process;
(8) pulling the torsion spring alignment lever 3 to drive the position of the torsion spring mounting handle 20 to change, so that the torsion spring mounting handle is aligned with the torsion spring mounting hole 24 on the rear section of the control surface;
(9) continuing to rotate the hand wheel screw 7 clockwise to enable the rear section of the control surface to be further close to the front section of the control surface, and at the moment, gradually inserting the torsion spring mounting handle 20 into the torsion spring mounting hole 24 on the rear section of the control surface until the rear section of the control surface is contacted with the torsion spring positioning piece 12 to stop moving;
(10) at the moment, the fixing screw on the torsion spring positioning piece 12 is loosened and taken down from the front section of the control surface;
(11) continuing to rotate the hand wheel screw 7 clockwise, so that the rear section of the control surface is further close to the front section of the control surface, and stopping moving until the rear section of the control surface is in contact with the butt joint surface of the front section of the control surface, and at the moment, it can be observed that the screw hole of the rear section of the control surface is aligned with the screw hole of the front section of the control surface;
(12) mounting fixing screws at the front section and the rear section of the rudder surface to completely fix the rear section of the rudder surface on the front section of the rudder surface;
(13) loosening the fixing screw on the pressing plate to enable the clamping block 5 to be completely separated from the rear section of the control surface;
(14) loosening two fixing nuts on the upper pressing plate 16, and drawing the upper pressing plate 16 and the rubber pad 14 out of the screw 13;
(15) drawing out a positioning bolt 18 which is used for restraining the front section of the control surface in the mounting seat 17;
(16) the control surface is taken down from the mounting seat 17, and the control surface is taken out of the positioning plate 11 and the screw 13 in the taking-down process so as to avoid scratching the surface coating;
(17) and arranging all parts of the control surface assembly tool, returning and storing, and finishing the control surface assembly.
Compared with the traditional pure tool assembly method, the folding structure control surface assembled by the assembly method has excellent assembly quality and use effect, and the assembly method is simple and easy to operate, and greatly improves the assembly efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A folding rudder surface assembling method is characterized in that the method is used for assembling a folding rudder surface containing a torsion spring and comprises the following steps:
step 1: a first positioning and clamping structure is adopted to position and clamp the front section of the control surface;
step 2: rotating a hand wheel screw to enable the positioning part to be far away from the front section of the control surface;
and step 3: and positioning and clamping the rear section of the control surface by adopting a second positioning and clamping structure:
and 4, step 4: inserting a torsion spring positioning piece into an installation hole close to the front section of the control surface;
and 5: rotating a hand wheel lead screw to enable the rear section of the control surface to be close to the front section of the control surface, and enabling a torsion spring mounting handle on the front section of the control surface to be flush with the butt joint surface of the rear section of the control surface;
step 6: continuing to rotate the hand wheel screw to enable the rear section of the control surface to be further close to the front section of the control surface until the screw hole of the rear section of the control surface is aligned with the screw hole of the front section of the control surface;
and 7: and mounting screws to complete the assembly of the front section and the rear section of the control surface.
2. The folded control surface assembly method according to claim 1, wherein the step 1 specifically comprises the steps of: and inserting the rotating shaft at the front section of the control surface into the rotating shaft hole of the mounting seat and inserting the positioning bolt.
3. The folded control surface assembly method according to claim 2, wherein the step 1 further comprises: and the upper pressure plate is arranged on the screws at the two sides and is fixed through nuts.
4. The folded control surface assembly method according to claim 1, wherein the step 2 specifically comprises the steps of: and the hand wheel screw rod is rotated anticlockwise, the tightening rod drives the positioning part to move along the guide rod until the positioning part is farthest away from the front section of the control surface.
5. The folded control surface assembly method according to claim 1, wherein the step 3 specifically comprises: and mounting the rear section of the control surface between the second clamping part and the first side plate, and then screwing the screw on the pressing part.
6. The folded control surface assembly method according to claim 1, wherein the step 4 specifically comprises: and (4) mounting a torsion spring positioning piece to a first mounting hole close to the butt joint surface of the front section of the rudder surface, and fixing.
7. The folded rudder surface assembling method according to claim 1, further comprising, after the step 7: and taking down the assembled folded control surface.
8. The assembly method of the folded control surface according to the claims 1 to 7, characterized in that the assembly of the folded control surface is completed by an assembly tool.
9. The folded control surface assembling method according to claim 8, wherein the assembling tool comprises a first positioning and clamping structure, a second positioning and clamping structure and a directional driving mechanism.
10. The folded rudder surface assembling method according to claim 9, wherein the first positioning and clamping structure includes a positioning and clamping assembly, the positioning and clamping assembly includes a base and a mounting seat, and the mounting seat is fixed on the base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011540298.7A CN112659062B (en) | 2020-12-23 | 2020-12-23 | Assembling method for folding control surface |
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| CN202011540298.7A CN112659062B (en) | 2020-12-23 | 2020-12-23 | Assembling method for folding control surface |
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| CN112659062B CN112659062B (en) | 2022-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659011A (en) * | 2020-11-12 | 2021-04-16 | 北京星航机电装备有限公司 | Control surface folding and releasing tool and control surface folding and releasing method |
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| US20120234983A1 (en) * | 2009-12-08 | 2012-09-20 | Eric Wildman | Control surface assembly |
| CN205166825U (en) * | 2015-12-09 | 2016-04-20 | 贵州航天风华精密设备有限公司 | Rudder face skeleton and bush assembly quality |
| CN109732328A (en) * | 2019-03-14 | 2019-05-10 | 北方导航控制技术股份有限公司 | A kind of folding rudder wing assembly device and assembly method |
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| CN112659062B (en) | 2022-10-14 |
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