CN113858093B - Mounting and positioning tool for internal components of actuating cylinder for aircraft maintenance - Google Patents
Mounting and positioning tool for internal components of actuating cylinder for aircraft maintenance Download PDFInfo
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- CN113858093B CN113858093B CN202111252134.9A CN202111252134A CN113858093B CN 113858093 B CN113858093 B CN 113858093B CN 202111252134 A CN202111252134 A CN 202111252134A CN 113858093 B CN113858093 B CN 113858093B
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- safety
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses an installation and positioning tool for an inner component of an actuating cylinder for aircraft maintenance, which comprises a tool main body, wherein the lower surface of the tool main body is arc-shaped, a stepped arc-shaped surface is formed at the front end and the rear end of the lower surface of the tool main body, a first strip-shaped groove is formed in the upper surface of the tool main body along the length direction, step grooves are formed in two sides of the first strip-shaped groove, a first limiting part is arranged on the outer side of the front end of the step groove, a second limiting part is arranged on the outer side of the rear end of the step groove, a safety cushion positioning groove is formed in the position where the rear end of the first limiting part is connected with the second limiting part, and a nut positioning groove is formed in the side surface of the first strip-shaped groove in the safety cushion positioning groove; compared with the prior art, the invention has the beneficial effects that: when the actuating cylinder is assembled, the safety nut is placed in the first strip-shaped groove and the nut positioning groove of the tool main body, the arc-shaped limiting piece is buckled and placed in the safety pad positioning groove, the front end of the tool main body is inserted into the safety bushing, and finally the safety bolt downwards penetrates through the plurality of parts to be fixedly connected.
Description
Technical Field
The invention relates to the technical field of aircraft actuator cylinder repair, in particular to an installation and positioning tool for an inner component of an actuator cylinder for aircraft maintenance.
Background
When the aircraft nose landing gear retraction actuator cylinder is assembled, the safety bush and the lock nut in the cylinder type piston are required to be fixed through the semicircular safety pad, the safety bolt and the safety nut, and particularly, the safety bolt is connected with the safety nut through threads after passing through the safety hole in the safety bush, the slotted hole in the lock nut and the semicircular safety pad.
Disclosure of Invention
The invention solves the technical problem of inconvenient assembly of internal parts of a cylinder type piston in the prior art, and provides an installation and positioning tool for internal components of an actuating cylinder for aircraft maintenance.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an aircraft maintenance is used as actuating cylinder inner assembly installation location frock, includes the frock main part, the lower surface of frock main part is arc, just the radius of frock main part front end is less than the radius of rear end, the front and rear end of the lower surface of frock main part has formed echelonment arc profile, and the front end radius of frock main part is the same with the internal diameter of the interior insurance bush of barrel type piston, and frock main part rear end radius is greater than the internal diameter of insurance bush, first bar groove has been seted up along length direction to the upper surface of frock main part, the both sides of first bar groove are provided with the ladder groove, the front end outside of ladder groove is first spacing portion, the rear end outside of ladder groove is second spacing portion, the width and the height of second spacing portion are greater than first spacing portion, and after first spacing portion inserts in the insurance bush during the use, second spacing portion plays spacing effect; the rear end of the first limiting part is connected with the second limiting part, a safety pad positioning groove is formed in the position, connected with the second limiting part, of the rear end of the first limiting part, a semicircular safety pad is placed in the safety pad positioning groove, a nut positioning groove is formed in the side face of the first strip-shaped groove in the safety pad positioning groove, and a safety nut is placed in the nut positioning groove.
Preferably, the rear end of the first bar-shaped groove is internally provided with a first through hole, the arc-shaped limiting piece is arranged on the lower surface of the rear end of the tool main body in a fitting mode, the bottom of the arc-shaped limiting piece is provided with a first threaded through hole, a connecting bolt arranged at the rear end of the first bar-shaped groove penetrates through the first through hole to be connected in the first threaded through hole in a threaded mode, the arc-shaped limiting piece is connected with the rear end of the tool main body, the thickness is increased, and the function of further limiting is achieved.
Preferably, the distance between the symmetry planes of the two nut positioning grooves formed in the first strip-shaped groove is smaller than the distance between the symmetry planes of the two step grooves, so that the safety nut can be placed in the two step grooves.
Compared with the prior art, the invention has the beneficial effects that:
when the actuating cylinder is assembled, firstly, the safety nut is placed in the first strip-shaped groove and the nut positioning groove of the tool main body, and then the semicircular safety cushion is buckled in the safety cushion positioning groove; when the front end of the tool main body is inserted into the safety bush, and the second limiting part is propped against the end part of the safety bush, the slotted hole of the lock nut, the safety hole of the safety bush, the second through hole of the semicircular safety pad and the safety nut are on the same straight line, so that the assembly and positioning of components are realized rapidly, the safety bolt is inserted into the slotted hole of the lock nut in the cylinder-shaped piston, and the safety bolt is rotated by a ratchet wrench, so that the safety bolt downwards passes through the slotted hole, the safety hole and the second through hole and then is in threaded connection with the safety nut, and the lock nut, the safety bush, the semicircular safety pad and the safety nut are connected and fixed;
after connection, the tool main body is withdrawn from the safety bush, the step groove moves outwards along the lower end of the safety nut when withdrawn, and the first strip groove moves outwards along the threaded rod end of the safety bolt, so that interference between the tool main body and parts such as the installed lock nut, the safety bush and the like is avoided;
the whole installation process is convenient and quick to complete under the assistance of the tool, labor-consuming operation of workers in a narrow space in the cylinder-shaped piston is not needed, and the working efficiency and the working quality are greatly improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a perspective view of the present invention in an assembled state;
figure 4 is a cross-sectional view of the assembled structure of the actuator of the present invention.
Reference numerals in the drawings: 1. the tool comprises a tool body, 101, a first strip-shaped groove, 102, a step groove, 103, a safety pad positioning groove, 104, a nut positioning groove, 105, a first through hole, 11, a first limiting part, 12, a second limiting part, 2, an actuating cylinder, 21, a cylinder-shaped piston, 22, a lock nut, 221, a slot hole, 23, a safety bushing, 231, a safety hole, 24, a semicircular safety pad, 241, a second through hole, 25, a safety bolt, 26, a safety nut, 3, a connecting bolt, 4, an arc-shaped limiting piece, 401 and a first threaded through hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an aircraft maintenance is used as actuating cylinder inner assembly installation location frock, includes frock main part 1, frock main part 1's lower surface is arc, just frock main part 1 front end's radius is less than the radius of rear end, frock main part 1's lower surface front and back end has formed echelonment arc profile, and frock main part 1's front end radius is the same with the internal diameter of insurance bush 23 in the barrel piston 21, and frock main part 1 rear end radius is greater than insurance bush 23's internal diameter, first through-hole 105 has been seted up in the rear end of first bar slot 101, is located frock main part 1's rear end lower surface laminating is provided with arc spacing piece 4, first threaded through-hole 401 has been seted up to arc spacing piece 4's bottom, the connecting bolt 3 that the inner rear end set up of first bar slot 101 passes in first threaded through-hole 401 spiro union, is connected arc spacing piece 4 and frock main part 1's rear end, increases thickness, plays the effect of further spacing; the upper surface of the tool main body 1 is provided with a first strip-shaped groove 101 along the length direction, both sides of the first strip-shaped groove 101 are provided with a step groove 102, the outer side of the front end of the step groove 102 is provided with a first limit part 11, the outer side of the rear end of the step groove 102 is provided with a second limit part 12, the width and the height of the second limit part 12 are larger than those of the first limit part 11, and when the first limit part 11 is inserted into the safety bushing 23 in use, the second limit part 12 plays a limit role; a safety pad positioning groove 103 is formed in a position where the rear end of the first limiting part 11 is connected with the second limiting part 12, a semicircular safety pad 24 is placed in the safety pad positioning groove 103, a nut positioning groove 104 is formed in the side surface of the first strip-shaped groove 101 in the safety pad positioning groove 103, a safety nut 26 is placed in the nut positioning groove 104, and the distance between the symmetrical surfaces of the two nut positioning grooves 104 is smaller than the distance between the symmetrical surfaces of the two stepped grooves 102, so that the safety nut 26 can be placed in the two stepped grooves 102; when the actuator cylinder 2 is assembled, firstly, the safety nut 26 is placed in the first strip-shaped groove 101 and the nut positioning groove 104 of the tool main body 1, and then the semicircular safety pad 24 is buckled in the safety pad positioning groove 103; when the front end of the tool main body 1 is inserted into the safety bush 23 and the second limiting part 12 is propped against the end part of the safety bush 23, the slotted hole 221 of the lock nut 22, the safety hole 231 of the safety bush 23, the second through hole 241 of the semicircular safety pad 24 and the safety nut 26 are on the same straight line, so that the assembly and positioning of components are realized rapidly, the safety bolt 25 is inserted into the slotted hole 221 of the lock nut 22 in the cylinder-shaped piston 21, the safety bolt 25 is rotated by a ratchet wrench, the safety bolt 25 passes through the slotted hole 221, the safety hole 231 and the second through hole 241 downwards and then is connected with the safety nut 26 through threads, and the lock nut 22, the safety bush 23, the semicircular safety pad 24 and the safety nut 26 are connected and fixed; after connection, the tool main body 1 is withdrawn from the safety bush 23, the step groove 102 moves outwards along the lower end of the safety nut 26 during withdrawal, and the first strip-shaped groove 101 moves outwards along the threaded rod end of the safety bolt 25, so that interference between the tool main body 1 and parts such as the installed lock nut 22, the safety bush 23 and the like is avoided.
Working principle: when the actuator cylinder 2 is assembled, firstly, the safety nut 26 is placed in the first strip-shaped groove 101 and the nut positioning groove 104 of the tool main body 1, and then the semicircular safety pad 24 is buckled in the safety pad positioning groove 103; when the front end of the tool main body 1 is inserted into the safety bush 23 and the second limiting part 12 is propped against the end part of the safety bush 23, the slotted hole 221 of the lock nut 22, the safety hole 231 of the safety bush 23, the second through hole 241 of the semicircular safety pad 24 and the safety nut 26 are on the same straight line, so that the assembly and positioning of components are realized rapidly, the safety bolt 25 is inserted into the slotted hole 221 of the lock nut 22 in the cylinder-shaped piston 21, the safety bolt 25 is rotated by a ratchet wrench, the safety bolt 25 passes through the slotted hole 221, the safety hole 231 and the second through hole 241 downwards and then is connected with the safety nut 26 through threads, and the lock nut 22, the safety bush 23, the semicircular safety pad 24 and the safety nut 26 are connected and fixed;
after connection, the tool main body 1 is withdrawn from the safety bushing 23, the step groove 102 moves outwards along the lower end of the safety nut 26 during withdrawal, and the first bar-shaped groove 101 moves outwards along the threaded rod end of the safety bolt 25, so that the tool is disassembled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an aircraft maintenance is used as actuating cylinder inner assembly installation location frock, includes frock main part (1), its characterized in that: the lower surface of the tool main body (1) is arc-shaped, the radius of the front end of the tool main body (1) is smaller than that of the rear end, a stepped arc-shaped surface is formed at the front end and the rear end of the lower surface of the tool main body (1), a first strip-shaped groove (101) is formed in the upper surface of the tool main body (1) along the length direction, stepped grooves (102) are formed in the two sides of the first strip-shaped groove (101), a first limiting part (11) is arranged at the outer side of the front end of the stepped groove (102), a second limiting part (12) is arranged at the outer side of the rear end of the stepped groove (102), and the width and the height of the second limiting part (12) are larger than those of the first limiting part (11); safety pad positioning grooves (103) are formed in the positions, connected with the second limiting parts (12), of the rear ends of the first limiting parts (11), and nut positioning grooves (104) are formed in the two side faces, located in the middle of the first strip-shaped groove (101), between the two safety pad positioning grooves (103).
2. An aircraft repair pod inner assembly mounting and locating fixture according to claim 1, wherein: the novel tool comprises a tool body (1), and is characterized in that a first through hole (105) is formed in the rear end of the first bar-shaped groove (101), an arc-shaped limiting piece (4) is arranged on the lower surface of the rear end of the tool body in a fitting mode, a first threaded through hole (401) is formed in the bottom of the arc-shaped limiting piece (4), and a connecting bolt (3) arranged at the rear end in the first bar-shaped groove (101) penetrates through the first through hole (105) and is in threaded connection with the first threaded through hole (401).
3. An aircraft repair pod inner assembly mounting location fixture according to claim 1 or 2, wherein: the distance between the symmetrical planes of the two nut positioning grooves (104) arranged in the first strip-shaped groove (101) is smaller than the distance between the symmetrical planes of the two stepped grooves (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252134.9A CN113858093B (en) | 2021-10-25 | 2021-10-25 | Mounting and positioning tool for internal components of actuating cylinder for aircraft maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252134.9A CN113858093B (en) | 2021-10-25 | 2021-10-25 | Mounting and positioning tool for internal components of actuating cylinder for aircraft maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113858093A CN113858093A (en) | 2021-12-31 |
| CN113858093B true CN113858093B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111252134.9A Active CN113858093B (en) | 2021-10-25 | 2021-10-25 | Mounting and positioning tool for internal components of actuating cylinder for aircraft maintenance |
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| CN (1) | CN113858093B (en) |
Citations (3)
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|---|---|---|---|---|
| CN201353704Y (en) * | 2009-01-04 | 2009-12-02 | 徐孝伟 | Axial center linked clamping plate |
| DE102017218140A1 (en) * | 2017-10-11 | 2019-04-11 | Hawe Hydraulik Se | A printing system component, a tool for disassembling a printing system component, a printing system with a printing system component, and a method for disassembling a printing system component |
| CN210968724U (en) * | 2019-12-03 | 2020-07-10 | 王世勇 | Disassembling tool for maintaining engine cylinder cover |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5031487A (en) * | 1989-11-02 | 1991-07-16 | Alden Corporation | Broken bolt extractor |
| US7836571B2 (en) * | 2007-08-22 | 2010-11-23 | Gm Global Technology Operations, Inc. | Apparatus and method for installing connecting rods |
| CN101992398A (en) * | 2009-08-10 | 2011-03-30 | 上海后盾塑胶模具有限公司 | Workpiece fixture for multi-functional machine tool |
| CN102873656B (en) * | 2012-09-10 | 2015-08-19 | 国家电网公司 | Transformer nut remover |
| CN105818095B (en) * | 2016-05-11 | 2018-01-19 | 常州市诚天电子有限公司 | A kind of low-voltage electrical apparatus assembling device |
| CN210830101U (en) * | 2019-08-20 | 2020-06-23 | 浙江清华长三角研究院 | Moving self-locking nut assembly |
| CN213088462U (en) * | 2020-07-25 | 2021-04-30 | 祺达轨道交通科技有限责任公司 | Quick locking nut |
-
2021
- 2021-10-25 CN CN202111252134.9A patent/CN113858093B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201353704Y (en) * | 2009-01-04 | 2009-12-02 | 徐孝伟 | Axial center linked clamping plate |
| DE102017218140A1 (en) * | 2017-10-11 | 2019-04-11 | Hawe Hydraulik Se | A printing system component, a tool for disassembling a printing system component, a printing system with a printing system component, and a method for disassembling a printing system component |
| CN210968724U (en) * | 2019-12-03 | 2020-07-10 | 王世勇 | Disassembling tool for maintaining engine cylinder cover |
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| CN113858093A (en) | 2021-12-31 |
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