CN113858093A - Aircraft maintenance is used as a movable section of thick bamboo inner assembly installation location frock - Google Patents
Aircraft maintenance is used as a movable section of thick bamboo inner assembly installation location frock Download PDFInfo
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- CN113858093A CN113858093A CN202111252134.9A CN202111252134A CN113858093A CN 113858093 A CN113858093 A CN 113858093A CN 202111252134 A CN202111252134 A CN 202111252134A CN 113858093 A CN113858093 A CN 113858093A
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- safety
- groove
- main body
- rear end
- tool main
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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 internal component of a movable cylinder for aircraft maintenance, which comprises a tool main body, wherein the lower surface of the tool main body is arc-shaped, stepped arc-shaped surfaces are 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 each step groove, a second limiting part is arranged on the outer side of the rear end of each step groove, a safety pad positioning groove is formed in the position where the rear end of each 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 pad 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 in the safety pad positioning groove, the front end of the tool main body is inserted into the safety bush, and finally the safety bolt penetrates through the plurality of components downwards to be connected and fixed.
Description
Technical Field
The invention relates to the technical field of aircraft actuator cylinder repair, in particular to a tool for installing and positioning an internal component of a movable cylinder for aircraft maintenance.
Background
When the aircraft nose landing gear is assembled by the retractable actuating cylinder, the safety bushing and the lock nut in the cylinder-shaped piston need to be fixed through the semicircular safety pad, the safety bolt and the safety nut, in particular, the safety bolt passes through the safety hole on the safety bushing, the slotted hole on the lock nut and the semicircular safety pad and then is connected with the safety nut through threads, in actual assembly, because the inner space of the cylinder-type piston is very small, and the requirements on the installation positions of the safety bushing, the lock nut, the semicircular safety pad, the safety bolt and the safety nut are higher, at present, workers can only stretch into the cylinder-type piston by one hand during installation, the mounting is carried out by means of feeling and experience, the mounting power is low, great energy is required to be consumed, and the assembly efficiency of the retractable actuator cylinder of the nose landing gear is affected.
Disclosure of Invention
The technical problem solved by the invention is to overcome the problem of inconvenient assembly of parts inside a cylinder-type piston in the prior art, and provide the tool for installing and positioning the components inside the movable cylinder for aircraft maintenance.
In order to achieve the purpose, the invention provides the following technical scheme: a tool for installing and positioning internal components of a movable cylinder for airplane maintenance comprises a tool main body, wherein the lower surface of the tool main body is arc-shaped, the radius of the front end of the tool main body is smaller than that of the rear end, the front end and the rear end of the lower surface of the tool main body form a step-shaped arc-shaped surface, the radius of the front end of the tool main body is the same as the inner diameter of a safety bush in the cylindrical piston, the radius of the rear end of the tool main body is larger than the inner diameter of the safety bush, the upper surface of the tool main body is provided with a first strip-shaped groove along the length direction, two sides of the first strip-shaped groove are provided with step grooves, the outer side of the front end of the stepped groove is provided with a first limiting part, the outer side of the rear end of the stepped groove is provided with a second limiting part, the width and the height of the second limiting part are larger than those of the first limiting part, when the safety bushing is used, the second limiting part plays a limiting role after the first limiting part is inserted into the safety bushing; the rear end of the first limiting portion is connected with the second limiting portion in position, a safety pad positioning groove is formed in the position, a semicircular safety pad is arranged in the safety pad positioning groove, a nut positioning groove is formed in the side face of the first bar-shaped groove in the safety pad positioning groove, and a safety nut is arranged in the nut positioning groove.
Preferably, a first through hole is formed in the rear end of the first bar-shaped groove and located an arc-shaped limiting piece is arranged on the lower surface of the rear end of the tool main body in a laminating mode, a first threaded through hole is formed in the bottom of the arc-shaped limiting piece, a connecting bolt arranged at the rear end of the first bar-shaped groove penetrates through the first through hole and is screwed in the first threaded through hole, the arc-shaped limiting piece is connected with the rear end of the tool main body, the thickness is increased, and further limiting effect is achieved.
Preferably, the distance between two symmetrical surfaces of the nut positioning groove formed in the first strip-shaped groove is smaller than the distance between the symmetrical surfaces of the two stepped grooves, so that the safety nut can be placed in the two stepped 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 pad is buckled in the safety pad positioning groove; the front end of the tool main body is inserted into the safety bushing, when the second limiting part is jacked to the end part of the safety bushing, the slotted hole of the lock nut, the safety hole of the safety bushing, the second through hole of the semicircular safety pad and the safety nut are in the same straight line, the assembly and the positioning of components are quickly realized, the safety bolt is inserted into the slotted hole of the lock nut in the barrel-shaped piston, the safety bolt is rotated through the ratchet wrench, the safety bolt downwards penetrates 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 bushing, the semicircular safety pad and the safety nut are fixedly connected;
after connection, the tool main body is withdrawn from the safety bush, the stepped groove moves outwards along the lower end of the safety nut when the tool main body is withdrawn, and the first strip-shaped groove moves outwards along the threaded rod end of the safety bolt, so that the tool main body is prevented from interfering with parts such as a locking nut and a safety bush which are well installed;
the convenient quick completion of in-process of whole installation under the assistance of frock does not need the hard operation of worker in the narrow and small space in the barrel-type piston, has promoted work efficiency and operating mass by a wide margin.
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;
fig. 4 is a cross-sectional view of the assembled actuator cylinder of the present invention.
Reference numbers in the figures: 1. the tool comprises a tool main body, 101, a first strip-shaped groove, 102, a stepped 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 locking nut, 221, a groove hole, 23, a safety bush, 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 sheet, 401 and a first threaded through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an installation and positioning tool for an internal component of a movable barrel for aircraft maintenance comprises a tool main body 1, wherein 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, stepped arc-shaped surfaces are formed at the front and rear ends of the lower surface of the tool main body 1, the radius of the front end of the tool main body 1 is the same as the inner diameter of a safety bush 23 in a barrel-shaped piston 21, the radius of the rear end of the tool main body 1 is larger than that of the safety bush 23, a first through hole 105 is formed in the rear end of a first bar-shaped groove 101, an arc-shaped limiting piece 4 is attached to the lower surface of the rear end of the tool main body 1, a first threaded through hole 401 is formed at the bottom of the arc-shaped limiting piece 4, a connecting bolt 3 arranged at the rear end in the first bar-shaped groove 101 penetrates through the first through hole 105 to be in threaded with the first threaded through hole 401, and connects the arc-shaped limiting piece 4 with the rear end of the tool main body 1, the thickness is increased, and the effect of further limiting is achieved; the upper surface of the tool main body 1 is provided with a first strip-shaped groove 101 along the length direction, two sides of the first strip-shaped groove 101 are provided with stepped grooves 102, the outer side of the front end of the stepped groove 102 is provided with a first limiting part 11, the outer side of the rear end of the stepped groove 102 is provided with a second limiting part 12, the width and height of the second limiting part 12 are larger than those of the first limiting part 11, and the second limiting part 12 plays a limiting role after the first limiting part 11 is inserted into the safety bushing 23 in use; a safety pad positioning groove 103 is formed in the 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 arranged 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 arranged in the nut positioning groove 104, 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, and the safety nut 26 can be arranged in the two stepped grooves 102; when the actuating 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 pushed 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, the assembly and positioning of the components are rapidly realized, 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 through a ratchet wrench, the safety bolt 25 downwards passes through the slotted hole 221, the safety hole 231 and the second through hole 241 and then is in threaded connection with the safety nut 26, and the lock nut 22, the safety bush 23, the semicircular safety pad 24 and the safety nut 26 are connected and fixed; after the connection, the tool body 1 is withdrawn from the safety bush 23, the stepped groove 102 moves outwards along the lower end of the safety nut 26 during the withdrawal, and the first bar-shaped groove 101 moves outwards along the threaded rod end of the safety bolt 25, so that the tool body 1 is prevented from interfering with the installed parts such as the lock nut 22 and the safety bush 23.
The working principle is as follows: when the actuating 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 pushed 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, the assembly and positioning of the components are rapidly realized, 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 through a ratchet wrench, the safety bolt 25 downwards passes through the slotted hole 221, the safety hole 231 and the second through hole 241 and then is in threaded connection with the safety nut 26, and the lock nut 22, the safety bush 23, the semicircular safety pad 24 and the safety nut 26 are connected and fixed;
after the connection, the tool body 1 is withdrawn from the safety bush 23, the stepped groove 102 moves outwards along the lower end of the safety nut 26 during the 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 as moving a section of thick bamboo 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 of the tool main body, stepped arc-shaped surfaces are 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 two sides of the first strip-shaped groove (101), a first limiting part (11) is arranged on the outer side of the front end of each stepped groove (102), a second limiting part (12) is arranged on the outer side of the rear end of each stepped groove (102), and the width and the height of each second limiting part (12) are larger than those of the first limiting parts (11); the rear end of the first limiting part (11) is connected with the second limiting part (12) in position, a safety pad positioning groove (103) is formed in the position, and a nut positioning groove (104) is formed in the side face of a first strip-shaped groove (101) in the safety pad positioning groove (103).
2. The tool for installing and positioning the internal component of the movable cylinder for aircraft maintenance according to claim 1, wherein the tool comprises: set up first through-hole (105) in the rear end of first bar groove (101), be located the laminating of the rear end lower surface of frock main part (1) is provided with spacing piece of arc type (4), first screw thread through-hole (401) have been seted up to the bottom of spacing piece of arc type (4), connecting bolt (3) that the rear end set up in first bar groove (101) pass first through-hole (105) spiro union in first screw thread through-hole (401).
3. The tool for installing and positioning the internal component of the movable cylinder for aircraft maintenance according to claim 1 or 2, wherein the tool comprises: the distance between the symmetrical surfaces of the two nut positioning grooves (104) formed in the first strip-shaped groove (101) is smaller than the distance between the symmetrical surfaces 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 true CN113858093A (en) | 2021-12-31 |
| CN113858093B CN113858093B (en) | 2023-06-30 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113858093B (en) |
Citations (8)
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|---|---|---|---|---|
| US5031487A (en) * | 1989-11-02 | 1991-07-16 | Alden Corporation | Broken bolt extractor |
| US20090049618A1 (en) * | 2007-08-22 | 2009-02-26 | Brent Kemmer | Apparatus and method for installing connecting rods |
| CN201353704Y (en) * | 2009-01-04 | 2009-12-02 | 徐孝伟 | Axial center linked clamping plate |
| 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 |
| CN102873656A (en) * | 2012-09-10 | 2013-01-16 | 河南省电力公司信阳供电公司 | Nut dismounting device of transformer |
| CN105818095A (en) * | 2016-05-11 | 2016-08-03 | 常州市诚天电子有限公司 | Assembly device for low-voltage electrical appliances |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017218140B4 (en) * | 2017-10-11 | 2023-05-04 | Hawe Hydraulik Se | Printing system component, tool for disassembling a printing system component, printing system with a printing system component and 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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2021
- 2021-10-25 CN CN202111252134.9A patent/CN113858093B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5031487A (en) * | 1989-11-02 | 1991-07-16 | Alden Corporation | Broken bolt extractor |
| US20090049618A1 (en) * | 2007-08-22 | 2009-02-26 | Brent Kemmer | Apparatus and method for installing connecting rods |
| CN201353704Y (en) * | 2009-01-04 | 2009-12-02 | 徐孝伟 | Axial center linked clamping plate |
| 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 |
| CN102873656A (en) * | 2012-09-10 | 2013-01-16 | 河南省电力公司信阳供电公司 | Nut dismounting device of transformer |
| CN105818095A (en) * | 2016-05-11 | 2016-08-03 | 常州市诚天电子有限公司 | Assembly device for low-voltage electrical appliances |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113858093B (en) | 2023-06-30 |
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