CN114101566B - Riveting tool for narrow close to inner wall of stabilizer and application method of riveting tool - Google Patents

Riveting tool for narrow close to inner wall of stabilizer and application method of riveting tool Download PDF

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Publication number
CN114101566B
CN114101566B CN202111342252.9A CN202111342252A CN114101566B CN 114101566 B CN114101566 B CN 114101566B CN 202111342252 A CN202111342252 A CN 202111342252A CN 114101566 B CN114101566 B CN 114101566B
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CN
China
Prior art keywords
riveting
stabilizer
boss
positioning sleeve
press head
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Active
Application number
CN202111342252.9A
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Chinese (zh)
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CN114101566A (en
Inventor
熊健
余华
黄德敏
杨进
安月平
唐学江
邱树彬
汤华
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AECC Guizhou Liyang Aviation Power Co Ltd
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AECC Guizhou Liyang Aviation Power Co Ltd
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Priority to CN202111342252.9A priority Critical patent/CN114101566B/en
Publication of CN114101566A publication Critical patent/CN114101566A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/20—Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/36—Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • B21J15/42—Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes

Abstract

A narrow-abutted stabilizer inner wall staking tool comprising: riveting pressure head, support plate and positioning sleeve; a groove with one side open is arranged on the pressure head body so that the pressure head body is in a C-shaped structure; the positioning sleeve is provided with a through hole; a first boss is arranged on the top surface of the supporting plate, and a second boss and a third boss are arranged on the top surface of the first boss; the using method of the riveting tool comprises the following steps of S1: positioning a riveting tool; step S2: removing the positioning sleeve; step S3: and (5) riveting. Through set up the recess that one side was uncovered form on the riveting pressure head and make the pressure head body be "C" style of calligraphy structure, when carrying out the riveting operation, the upper wall of stabilizer casing and go up the installation limit can embolia in the recess of riveting pressure head, and the last pressure head of riveting pressure head can stretch into and rivet in the inner chamber of stabilizer casing, and riveting pressure head can the atress perpendicularly, dashes riveting force and rivet axis parallel, and the rivet atress is even, avoids the rivet crooked, has guaranteed riveted quality.

Description

Riveting tool for narrow close to inner wall of stabilizer and application method of riveting tool
Technical Field
The invention relates to the technical field of assembly riveting of aero-engine parts, in particular to a riveting tool for a narrow close-proximity stabilizer inner wall and a using method thereof.
Background
As shown in fig. 1 and 2, the integrated stabilizer assembly of the certain aeroengine consists of a stabilizer shell, double-lug floating self-locking nuts and rivets. The stabilizer component is of a semi-open box structure, the front end and the left side of the stabilizer component are open, and the rear end and the right side of the stabilizer component are closed; the upper and lower installation edges of the front end of the stabilizer shell are provided with double-lug moving self-locking nut assemblies in a staggered manner in the length direction, the double-lug moving self-locking nut assemblies are riveted on the stabilizer shell, and the thick end of the rivet pier is positioned in the inner cavity of the box body. The right rivet axis of the double-lug floating self-locking nut assembly on the rightmost side of the lower mounting edge is 4.02mm away from the inner wall, 7mm away from the front outer side surface, and the height between the upper mounting edge and the lower mounting edge is 23mm.
The stabilizer housing right side has welded a strap, and the strap inwards bends, and the outstanding stabilizer housing 7.8mm of double-lug swimming self-locking nut subassembly leads to the space narrower and smaller, increases the riveting degree of difficulty, and this belongs to the new structure of aeroengine integration afterburner.
When riveting, the rivet needs to be axially stressed to generate plastic deformation, and two conventional riveting methods are adopted: the first is to support the lower end, and the upper end is manually impacted and riveted by using a punch; the other is riveting using a hydraulic press. Manual punching and riveting are performed, the rivet is located in the inner cavity, the space of the stabilizer is small, the punch can only extend into the inner cavity of the stabilizer at a certain angle, the punching and riveting force and the axis of the rivet cannot be parallel, collineation cannot be achieved, the rivet is subjected to oblique force to cause non-uniform deformation of the rivet along the radial direction, the rivet is bent, and the riveting quality cannot meet the riveting requirement. If hydraulic riveting is adopted, the pressure head and the rivet are required to be on the same axis, hydraulic press riveting cannot be directly implemented due to interference of the upper end of the stabilizer, obviously the two riveting methods are difficult to complete riveting, and no referent riveting technology exists in the industry at present for the new structure.
The step surface exists between the stabilizer shell and the upper and lower mounting edges of the front end, and the included angle exists between the connecting edge between the upper and lower mounting edges and the front outer side surface and is not vertical, so that the stabilizer shell is difficult to position during riveting.
Disclosure of Invention
The invention mainly aims to provide a riveting tool for narrowly abutting against the inner wall of a stabilizer and a use method thereof, and aims to solve the technical problems.
To achieve the above object, the present invention provides a riveting tool for narrowly abutting against an inner wall of a stabilizer, comprising: riveting pressure head, support plate and positioning sleeve;
the riveting press head comprises a press head body, a press head handle arranged at the upper end of the press head body and used for being connected with a main shaft of the hydraulic riveting machine, and a press head arranged at the lower end of the press head body; a groove with one side being open is arranged on the pressure head body so that the pressure head body is in a C-shaped structure;
the positioning sleeve is provided with a through hole;
the distance from the center of the through hole to the front of the positioning sleeve is equal to the distance from the axis of the right rivet of the rightmost double-lug swimming self-locking nut component on the lower mounting edge of the stabilizer shell to the front of the lower mounting edge;
the distance from the center of the through hole to the right side surface of the positioning sleeve is equal to the distance from the axis of the right rivet of the rightmost double-lug swimming self-locking nut assembly on the lower mounting edge of the stabilizer shell to the right side surface of the connecting edge of the stabilizer shell;
the included angle between the front surface and the right side surface of the positioning sleeve is equal to the included angle between the front surface of the lower mounting edge of the stabilizer shell and the right side surface of the connecting edge of the stabilizer shell;
a first boss is arranged on the top surface of the supporting plate, and a second boss and a third boss are arranged on the top surface of the first boss;
the included angle between the vertical step surface of the second boss and the vertical step surface of the left side of the third boss is equal to the included angle between the front surface of the lower mounting edge of the stabilizer shell and the right side surface of the connecting edge of the stabilizer shell;
the top surface of the first boss, the vertical step surface of the second boss and the vertical step surface on the left side of the third boss jointly form a positioning sink.
Preferably, the whole riveting press head is a revolving body, and the upper press head body, the press head handle and the press head of the riveting press head are integrally formed.
Preferably, empty slots are arranged on two sides of the connection part of the lower end of the pressure head body and the compression head.
Preferably, the pressing head and the pressing head handle are coaxially arranged.
Preferably, the lower end surface of the pressing head is perpendicular to the axis of the pressing head handle.
Preferably, the pressing head is in clearance fit with the through hole on the positioning sleeve, and the unilateral clearance is not more than 0.05mm.
Preferably, the height of the first boss is greater than the distance between the lower surface of the stabilizer housing and the lower surface of the lower mounting-edge of the stabilizer housing.
Preferably, the width of the first boss is smaller than the width of the lower mounting edge of the stabilizer housing.
Preferably, two sides of the lower periphery of the pressure head body are flattened to form a pair of mutually parallel open surfaces.
The invention also provides a using method of the riveting tool which is closely abutted against the inner wall of the stabilizer, comprising the following steps:
step S1: positioning of the riveting tool: connecting a riveting pressure head with a hydraulic riveting machine, and inserting a pressure head handle of the riveting pressure head into a spindle hole of the hydraulic riveting machine; placing a supporting plate on a workbench of a hydraulic riveting machine; placing the positioning sleeve on the positioning sink of the supporting plate, and enabling the front face of the positioning sleeve to be attached to the vertical step face of the second boss, and enabling the right side face of the positioning sleeve to be attached to the vertical step face of the left side of the third boss; adjusting the riveting pressure head to enable the pressing head to be arranged in the through hole of the positioning sleeve; a fixed support plate; positioning of the riveting tool is completed;
step S2: and (5) removing the positioning sleeve: the riveting pressure head is moved upwards, and the positioning sleeve is removed from the supporting plate;
step S3: riveting: the upper wall and the upper mounting edge of the stabilizer shell are sleeved in the groove of the riveting press head, and the lower surface of the stabilizer shell is supported on the top surface of the supporting plate; the lower surface of the lower mounting edge of the stabilizer housing is supported on the upper surface of the first boss; the front of the lower mounting edge of the stabilizer shell is attached to the vertical step surface of the second boss; the right side surface of the connecting edge of the stabilizer shell is attached to the left vertical step surface of the third boss; and the right rivet of the rightmost double-lug moving self-locking nut assembly on the lower mounting edge is pressed by the downward moving riveting press head to complete riveting.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) The riveting press head is provided with the groove with one side being open, so that the press head body is of a C-shaped structure, when riveting operation is carried out, the upper wall and the upper mounting edge of the stabilizer shell can be sleeved in the groove of the riveting press head, the pressing head on the riveting press head can extend into the inner cavity of the stabilizer shell to rivet, the riveting press head can be vertically stressed when the hydraulic press is used for riveting, the riveting force is parallel to the axis of the rivet, the rivet stress is even, the bending of the rivet is avoided, and the riveting quality is ensured.
(2) According to the invention, the riveting press head and the supporting plate can be rapidly positioned by utilizing the positioning sleeve, the stabilizer shell is supported and positioned by utilizing the top surface on the supporting plate and the positioning sinking groove formed by the first boss, the second boss and the third boss on the supporting plate, the problem that the stabilizer shell is difficult to position when riveting is caused by the step surface between the stabilizer shell and the upper and lower mounting edges and the included angle between the connecting edge between the upper and lower mounting edges and the front outer side surface is solved, and the supporting plate is convenient and rapid to support and position the stabilizer shell when riveting operation is performed, so that the riveting efficiency is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an integrated stabilizer assembly of an aircraft engine;
FIG. 2 is an enlarged view of the structure at I in FIG. 1;
FIG. 3 is a schematic view of a joint of a binaural swimming self-locking nut assembly;
FIG. 4 is a schematic diagram of the structure of the riveting press head, the positioning sleeve and the supporting plate when the riveting press head, the positioning sleeve and the supporting plate are matched for positioning;
FIG. 5 is a schematic view of another direction of the riveting press head, the positioning sleeve and the supporting plate when being matched for positioning;
FIG. 6 is a schematic perspective view of a riveting ram according to the present invention;
FIG. 7 is a schematic view showing another perspective structure of a riveting press head according to the present invention
FIG. 8 is a front view of a riveting ram of the present invention;
FIG. 9 is a right side view of the riveting ram of the present invention;
FIG. 10 is a bottom view of the riveting ram of the present invention;
FIG. 11 is a schematic perspective view of a positioning sleeve according to the present invention;
FIG. 12 is a schematic view of another perspective view of a positioning sleeve according to the present invention;
FIG. 13 is a schematic view showing the structure of a support plate according to the present invention;
FIG. 14 is a schematic view showing the structure of the positioning sleeve and the supporting plate of the present invention;
FIG. 15 is a schematic view of the structure of the stabilizer assembly during a staking operation;
FIG. 16 is a schematic view of the structure of the stabilizer assembly in another direction during a staking operation;
reference numerals illustrate: 10-stabilizer housing; 101-a double-lug floating self-locking nut assembly; 102-riveting; 103-upper mounting edge; 104-lower mounting edge; 105-connecting edges; 106-a strap; 20-riveting pressure heads; 201-a ram body; 202-pressing a head handle; 203-a compaction head; 204-grooves; 205-blank grooving; 206-blank face; 30-supporting plates; 301-a first boss; 302-a second boss; 303-a third boss; 304-positioning a sink; 40, positioning sleeve; 401-via.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 and 2, a schematic diagram of an integrated stabilizer assembly of an aeroengine is shown, wherein the assembly comprises a stabilizer housing 10, a double-lug swimming self-locking nut 101 and a rivet 102; the stabilizer housing 10 is a semi-open housing structure, the front end and the left side of which are open, and the rear end and the right side of which are closed; an upper mounting edge 103 is arranged at the front end of the upper wall of the stabilizer housing 10, a lower mounting edge 104 is arranged at the front end of the lower wall of the stabilizer housing 10, and the right end of the upper mounting edge 103 is connected with the right end of the lower mounting edge 104 through a connecting edge 105; the upper mounting edge 103 and the lower mounting edge 104 are provided with double-lug moving self-locking nuts 101 in a staggered manner along the length direction, and the double-lug moving self-locking nuts 101 are riveted on the upper mounting edge 103 and the lower mounting edge 104 through rivets 102; a tower tab 106 is welded to the left of the connecting edge 105 of the stabilizer housing 10.
As shown in fig. 2, the front faces of the upper mounting side 103, the lower mounting side 104, and the connecting side 105 of the stabilizer housing 10 are flush; the distance from the axis of the right rivet 102 of the rightmost binaural swimming self-locking nut assembly 101 on the lower mounting edge 104 of the stabilizer housing 10 to the right side W2 of the connecting edge 105 is Lw2; the distance from the axis of the right rivet 102 of the rightmost binaural swimming self-locking nut assembly 101 on the lower mounting edge 104 of the stabilizer housing 10 to the front face W1 of the lower mounting edge 104 of the stabilizer housing 10 is Lw1; the included angle between the front surface W1 of the lower mounting edge 104 and the right side surface W2 of the connecting edge 105 is alpha W; the space between the lower surface of the upper mounting edge 103 and the upper surface of the lower mounting edge 104 is Hw.
As shown in fig. 3, the structure of the binaural swimming self-locking nut assembly 101 in the stabilizer assembly is schematically shown, the height of the binaural swimming self-locking nut assembly 101 is H1, and the radius of gyration from the sharp angle at the binaural pallet at two sides to the center of the riveting hole is R.
As shown in fig. 4 and 5, a narrow-tight stabilizer inner wall staking tool, comprising: riveting ram 20, support plate 30 and locating sleeve 40.
As shown in fig. 6 to 9, the riveting ram 20 includes a ram body 201, a ram handle 202 disposed at an upper end of the ram body 201 for connection with a main shaft of a hydraulic riveting machine, and a pressing head 203 disposed at a lower end of the ram body 201; a groove 204 with one side open is arranged on the pressure head body 201, so that the pressure head body 201 is in a C-shaped structure. The diameter of the pressing head 203 is phi dy, and the height is Ly1; the height of the groove 204 is Ly3; the distance between the lower groove surface of the groove 204 and the lower end surface of the pressing head 203 is Ly2.
As shown in fig. 11 and 12, the positioning sleeve 40 is provided with a through hole 401; the distance from the center of the through hole 401 to the front face T2 of the positioning sleeve 40 is Lt2; the distance from the center of the through hole 401 to the right side surface T1 of the positioning sleeve 40 is Lt1; the diameter of the through hole 401 is phi Dt; the angle between the front face T2 and the right side face T1 of the positioning sleeve 40 is αt.
As shown in connection with fig. 2 and 11, the distance Lt2 from the center of the through hole 401 to the front face T2 of the positioning sleeve 40 is equal to the distance Lw1 from the axis of the right rivet 102 of the rightmost binaural swimming self-locking nut assembly 101 on the lower mounting edge 104 of the stabilizer housing 10 to the front face W1 of the lower mounting edge 104, i.e., lt2=lw1. The distance Lt1 from the center of the through hole 401 to the right side T1 of the positioning sleeve 40 is equal to the distance Lw2 from the axis of the right rivet 102 of the rightmost binaural swimming self-locking nut assembly 101 on the lower mounting edge 104 of the stabilizer housing 10 to the right side W2 of the connecting edge 105 of the stabilizer housing 10, i.e., lt1=lw2. The angle αt between the front face T2 and the right side face T1 of the positioning sleeve 40 is equal to the angle αw between the front face W1 of the lower mounting edge 104 of the stabilizer housing 10 and the right side face W2 of the connecting edge 105 of the stabilizer housing 10, i.e., αt=αw.
As shown in fig. 13, a first boss 301 is provided on the top surface Z4 of the support plate 30, and a second boss 302 and a third boss 303 are provided on the top surface of the first boss 301; the angle αz between the vertical step surface Z1 of the second boss 302 and the vertical step surface Z2 on the left side of the third boss 303 is equal to the angle αw between the front face W1 of the lower mounting edge 104 of the stabilizer housing 10 and the right side face W2 of the connecting edge 105 of the stabilizer housing 10, that is, αz=αw. The top surface Z3 of the first boss 301, the vertical step surface Z1 of the second boss 302 and the vertical step surface Z2 on the left side of the third boss 303 together form a positioning countersink 304; the support plate 30 and the first boss 301, the second boss 302 and the third boss 303 on the support plate 30 are manufactured by adopting an integral molding process.
In this embodiment, as shown in fig. 2, 3 and 8, the diameter phidy of the pressing head 203 is designed according to the radius R of gyration from the sharp corner at the two-ear supporting plate on the two-ear traveling self-locking nut assembly 101 to the center of the riveting hole, phidy=2r-0.4 mm. The height Ly1 of the compression head 203 is 1mm greater than the height H1 of the binaural swimming self-locking nut assembly 101, i.e., ly1=h1+1 mm. To ensure that the lower wall of the upper groove 204 of the riveting press head 20 and the pressing head 203 can enter the region between the upper and lower mounting sides 103, 104 of the stabilizer housing 10 and the pressing head can move up and down, the distance Hw between the lower surface of the upper mounting side 103 and the upper surface of the lower mounting side 104 is greater than the distance Ly2 between the lower groove surface of the groove 204 and the lower end surface of the pressing head 203 by 5mm, that is, ly2=hw-5 mm. The height Ly3 of the recess 204 is at least 5mm greater than the distance from the lower surface of the upper mounting edge 103 to the upper surface of the stabilizer housing 10.
In this embodiment, as shown in fig. 6, the whole of the riveting press head 20 is a revolution body, and the press head body 201, the press head handle 202, and the pressing head 203 on the riveting press head 20 are integrally formed. And the integrated forming is adopted, so that the coaxiality requirement of the pressing head handle 202 and the pressing head 203 is conveniently ensured.
In this embodiment, as shown in fig. 7, the hollow slots 205 are formed on two sides of the connection portion between the lower end of the ram body 201 and the pressing head 203, and by providing the hollow slots 205, the tower tab 106 and the column in the middle of the double-lug floating self-locking nut assembly 101 can be avoided during riveting, so that interference is avoided.
In this embodiment, as shown in fig. 8 and 9, the pressing head 203 is coaxially disposed with the pressing head handle 202, and the coaxiality is not more than 0.05mm. The lower end face of the pressing head 203 is perpendicular to the axis of the pressing head handle 202, and the perpendicularity is not more than 0.05mm.
In this embodiment, the pressing head 203 is in clearance fit with the through hole 401 on the positioning sleeve 40, and the single-side clearance is not greater than 0.05mm, so that the maximum diameter phidt of the through hole 401 is equal to the diameter phidy of the pressing head 203 plus 0.1mm, that is, phidt=phidy+0.1 mm, and the thickness of the positioning sleeve 40 is 5-8 mm.
In this embodiment, as shown in fig. 13, 15, and 16, the height of the first boss 301 is greater than the distance between the lower surface of the stabilizer housing 10 and the lower surface of the lower mounting rim 104 of the stabilizer housing 10 by 0.5mm, so that a gap of 0.5mm exists between the lower surface of the stabilizer housing 10 and the top surface Z4 of the support plate 30 when caulking is performed, the lower surface of the lower mounting rim 104 is prevented from being positioned, and the lower surface of the lower mounting rim 104 is supported on the upper surface Z3 of the first boss 301, so that good support can be formed for the stabilizer housing 10 and the lower mounting rim 104 by the height setting of the first boss 301.
In this embodiment, as shown in fig. 13, 15, and 16, the width of the first boss 301 is smaller than the width of the lower mounting edge 104 of the stabilizer housing 10 by 0.5mm. When riveting, the width of the first boss 301 can enable the lower mounting edge 104 to fully lean against the vertical step surface Z1 of the second boss 302, so that over-positioning is avoided, and a better positioning effect is achieved.
In this embodiment, as shown in fig. 6, two sides of the lower portion of the ram body 201 are flattened to form a pair of hollow surfaces 206 parallel to each other, and by providing the hollow surfaces 206, the interference between the lower portion of the ram body 201 and the parts on the stabilizer assembly is avoided during the riveting operation, and meanwhile, an operation space is formed to facilitate the placement of the binaural swimming self-locking nut assembly 101 by a worker.
The embodiment also provides a using method of the riveting tool for the narrow abutting against the inner wall of the stabilizer, which comprises the following steps:
step S1: positioning of the riveting tool: as shown in fig. 4, 5, 11, 13 and 14, the caulking press head 20 is connected to a hydraulic caulking machine, and the press head handle 202 of the caulking press head 20 is inserted into a main shaft hole of the hydraulic caulking machine; fixing the support plate 30 to a workbench of a hydraulic riveter; placing the positioning sleeve 40 on the positioning sink 304 of the support plate 30, and enabling the bottom surface T3 of the positioning sleeve 40 to be attached to the top surface Z3 of the first boss 301, enabling the front surface T2 of the positioning sleeve 40 to be attached to the vertical step surface Z1 of the second boss 302, and enabling the right side surface T1 of the positioning sleeve 40 to be attached to the vertical step surface Z2 on the left side of the third boss 303; adjusting the riveting ram 20 such that the compaction head 203 is disposed within the through bore 401 of the locating sleeve 40; fixing the positioning sleeve 40 on a workbench of the hydraulic riveting machine to finish positioning of a riveting tool;
step S2: the spacer 40 is removed: moving the riveting press head 20 upward to remove the positioning sleeve 40 from the support plate 30;
step S3: riveting: referring to fig. 2, 13, 15 and 16, the upper wall and the upper mounting edge 101 of the stabilizer housing 10 are fitted into the recess 204 of the riveting press head 20, and the lower surface of the stabilizer housing 10 is supported on the top surface Z4 of the support plate 30; the lower mounting edge 104 of the stabilizer housing 10 is supported on the upper surface Z3 of the first boss 301 by being positioned in the positioning countersink 304; the front face W1 of the lower mounting edge 104 of the stabilizer housing 10 is fitted to the vertical step face Z1 of the second boss 302; the right side surface W2 of the connecting edge 105 of the stabilizer housing 10 is attached to the left vertical step surface Z2 of the third boss 303; the right rivet 102 of the rightmost double-lug swimming self-locking nut assembly 101 on the lower mounting edge 104 is pressed by the downward riveting press head 20 to complete riveting.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (10)

1. A narrow-abutted stabilizer inner wall staking tool comprising: a riveting press head (20), a support plate (30) and a positioning sleeve (40);
the riveting press head (20) comprises a press head body (201), a press head handle (202) arranged at the upper end of the press head body (201) and used for being connected with a main shaft of a hydraulic riveting machine, and a pressing head (203) arranged at the lower end of the press head body (201); a groove (204) with one side being open is arranged on the pressure head body (201) to enable the pressure head body (201) to be in a C-shaped structure;
the positioning sleeve (40) is provided with a through hole (401);
the distance from the center of the through hole (401) to the front of the locating sleeve (40) is equal to the distance from the axis of the right rivet (102) of the rightmost double-lug swimming self-locking nut assembly (101) on the lower mounting edge (104) of the stabilizer shell (10) to the front of the lower mounting edge (104);
the distance from the center of the through hole (401) to the right side surface of the positioning sleeve (40) is equal to the distance from the axis of the right rivet (102) of the rightmost double-lug swimming self-locking nut assembly (101) on the lower mounting edge (104) of the stabilizer shell (10) to the right side surface of the connecting edge (105) of the stabilizer shell (10);
the included angle between the front surface and the right side surface of the positioning sleeve (40) is equal to the included angle between the front surface of the lower mounting edge (104) of the stabilizer shell (10) and the right side surface of the connecting edge (105) of the stabilizer shell (10);
a first boss (301) is arranged on the top surface of the supporting plate (30), and a second boss (302) and a third boss (303) are arranged on the top surface of the first boss (301);
an included angle between the vertical step surface of the second boss (302) and the vertical step surface on the left side of the third boss (303) is equal to an included angle between the front of the lower mounting edge (104) of the stabilizer housing (10) and the right side surface of the connecting edge (105) of the stabilizer housing (10);
the top surface of the first boss (301), the vertical step surface of the second boss (302) and the left vertical step surface of the third boss (303) jointly form a positioning countersink (304).
2. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: the whole riveting press head (20) is a revolving body, and a press head body (201), a press head handle (202) and a pressing head (203) on the riveting press head (20) are integrally formed.
3. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: and hollow grooves (205) are formed in two sides of the connection part of the lower end of the pressure head body (201) and the compression head (203).
4. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: the pressing head (203) and the pressing head handle (202) are coaxially arranged.
5. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: the lower end face of the pressing head (203) is perpendicular to the axis of the pressing head handle (202).
6. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: and the compaction head (203) is in clearance fit with a through hole (401) on the positioning sleeve (40), and the unilateral clearance is not more than 0.05mm.
7. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: the height of the first boss (301) is larger than the distance between the lower surface of the stabilizer housing (10) and the lower surface of the lower mounting edge (104) of the stabilizer housing (10).
8. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: the width of the first boss (301) is smaller than the width of the lower mounting edge (104) of the stabilizer housing (10).
9. A narrow abutment stabilizer inner wall riveting tool as set forth in claim 1 wherein: the two sides of the lower periphery of the pressure head body (201) are flattened to form a pair of mutually parallel open surfaces (206).
10. A method of using a stenotic staking tool against the inner wall of a stabilizer according to any one of claims 1 to 9 including the steps of:
step S1: positioning of the riveting tool: connecting a riveting press head (20) with a hydraulic riveting machine, and inserting a press head handle (202) of the riveting press head (20) into a spindle hole of the hydraulic riveting machine; placing a supporting plate (30) on a workbench of a hydraulic riveting machine; the positioning sleeve (40) is placed on the positioning sink groove (304) of the supporting plate (30), the front face of the positioning sleeve (40) is attached to the vertical step face of the second boss (302), and the right side face of the positioning sleeve (40) is attached to the vertical step face of the left side of the third boss (303); adjusting the riveting press head (20) to enable the pressing head (203) to be arranged in the through hole (401) of the positioning sleeve (40); a fixed support plate (30); positioning of the riveting tool is completed;
step S2: removing the positioning sleeve (40): moving the riveting press head (20) upwards, and removing the positioning sleeve (40) from the supporting plate (30);
step S3: riveting: the upper wall and the upper mounting edge (103) of the stabilizer shell (10) are sleeved in the groove (204) of the riveting press head (20), and the lower surface of the stabilizer shell (10) is supported on the top surface of the supporting plate (30); the lower surface of the lower mounting edge (104) of the stabilizer housing (10) is supported on the upper surface of the first boss (301); the front of the lower mounting edge (104) of the stabilizer shell (10) is attached to the vertical step surface of the second boss (302); the right side surface of the connecting edge (105) of the stabilizer shell (10) is attached to the left vertical step surface of the third boss (303); the riveting press head (20) is moved downwards to press the right rivet (102) of the rightmost double-lug swimming self-locking nut assembly (101) on the lower mounting edge (104) to finish riveting.
CN202111342252.9A 2021-11-12 2021-11-12 Riveting tool for narrow close to inner wall of stabilizer and application method of riveting tool Active CN114101566B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016074384A1 (en) * 2014-11-14 2016-05-19 眉山南车紧固件科技有限公司 Detachable double-locking riveting dismounting method and pulling rivet
CN112246987A (en) * 2020-09-29 2021-01-22 中国航发动力股份有限公司 Self-adaptive positioning nut riveting tool and method
CN214557107U (en) * 2020-12-16 2021-11-02 中国船舶重工集团有限公司第七一0研究所 Riveting tool for thin-wall stabilizer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016074384A1 (en) * 2014-11-14 2016-05-19 眉山南车紧固件科技有限公司 Detachable double-locking riveting dismounting method and pulling rivet
CN112246987A (en) * 2020-09-29 2021-01-22 中国航发动力股份有限公司 Self-adaptive positioning nut riveting tool and method
CN214557107U (en) * 2020-12-16 2021-11-02 中国船舶重工集团有限公司第七一0研究所 Riveting tool for thin-wall stabilizer

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