CN113500561B - Front wheel turning actuating cylinder disassembling tool assembly - Google Patents
Front wheel turning actuating cylinder disassembling tool assembly Download PDFInfo
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- CN113500561B CN113500561B CN202110691510.8A CN202110691510A CN113500561B CN 113500561 B CN113500561 B CN 113500561B CN 202110691510 A CN202110691510 A CN 202110691510A CN 113500561 B CN113500561 B CN 113500561B
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- sleeve
- dismounting device
- front wheel
- positioning
- piston
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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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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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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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a front wheel turning actuator cylinder decomposition tool assembly which comprises a positioning device, an end head dismounting device, a nut dismounting device and a piston dismounting device, and compared with the prior art, the front wheel turning actuator cylinder decomposition tool assembly has the beneficial effects that: use nut dismounting device and positioner to decompose between first barrel and the second barrel, use positioner and end dismounting device when dismantling the end, use positioner and piston dismounting device when decomposing the sealed piston of external screw thread, through positioner, end dismounting device, nut dismounting device, the combined use of a plurality of frocks such as piston dismounting device makes the difficult realization decomposition piece that turns round on the pressurized strut of front wheel can make things convenient for quick decomposition, the decomposition efficiency of the pressurized strut that turns round of front wheel has been improved, shorten man-hour, and can avoid the part to appear the damage at the decomposition in-process.
Description
Technical Field
The invention relates to the technical field of aircraft component repair, in particular to a front wheel turning actuator cylinder disassembling tool assembly.
Background
B737NG aircraft direction control that slides on the ground is provided and realized through front wheel system that turns, and front wheel turns the actuating cylinder and is the actuating mechanism of front wheel system, and it is higher to the stability requirement of front wheel system when using, and the wearing and ageing of using for a period of time can cause the fluid seepage because of the obturating, further influence the user state of part, need in time to tear the machine open and repair; at present, when the front wheel turning actuator cylinder is repaired, because two main cylinders of the actuator cylinder are special-shaped pieces and the two cylinders are connected through nuts, pipelines are further arranged on the cylinders, the cylinders are complicated and troublesome to disassemble, and are inconvenient for repair personnel to work, the maintenance time is increased, and meanwhile, the work efficiency is greatly reduced.
Disclosure of Invention
The invention provides a tool assembly for disassembling a front wheel turning actuating cylinder, which aims to solve the technical problem that a plurality of parts are fastened and are not easy to disassemble when the front wheel turning actuating cylinder in the prior art is disassembled. The front wheel turning actuator cylinder disassembling tool assembly is convenient to use, can disassemble parts quickly, improves working efficiency and shortens working hours.
In order to achieve the purpose, the invention provides the following technical scheme: a front wheel turning actuating cylinder decomposition tool assembly comprises a positioning device, an end head dismounting device, a nut dismounting device and a piston dismounting device, wherein the positioning device comprises a base, arc-shaped grooves are formed in two side plates of the base, a bushing is placed in each arc-shaped groove, the bushing is sleeved on an electric plug of the front wheel turning actuating cylinder when in use and plays a role in protection, connecting seats are installed on the front side and the rear side of the base, first threaded through holes are formed in the connecting seats, first positioning bolts are screwed in the first threaded through holes from outside to inside, can rotate and move back and forth, a bottom plate is laid on the bottom in the base, and a convex strip is arranged upwards in the middle of the bottom plate;
the end head dismounting device comprises an installation sleeve, a side hole is formed in one side of the installation sleeve, a first through hole is formed in the center of the other side of the installation sleeve, a connecting rod is inserted into the first through hole in a penetrating mode, a connecting nut is screwed at the outer end of the connecting rod, a reset spring is connected between the connecting nut and the outer side face of the installation sleeve, a pressure plate is installed at the inner end of the connecting rod, a circular groove corresponding to the position of the side hole is formed in the inner side of the pressure plate, a plurality of second threaded through holes are symmetrically formed in the other side of the installation sleeve, a second positioning bolt is screwed in the second threaded through hole from outside to inside, and the second positioning bolt can rotate to move into the installation sleeve; the upper end of the mounting sleeve is provided with a first hexagonal head, a cover plate at the lower end of the first hexagonal head is mounted at the upper end of the mounting sleeve through a first connecting screw, an inner groove is formed in the first hexagonal head, and a third positioning bolt is screwed downwards in the inner groove;
the nut dismounting device comprises a sleeve, wherein one side of the sleeve is longitudinally cut from top to bottom to form an edge groove, the edge groove is convenient for an oil pipe to penetrate into the sleeve, a second hexagonal head is arranged at the upper end of the sleeve, a lower connecting seat is arranged at the outer edge of the lower end of the sleeve, two grooves are symmetrically formed in the bottom of the lower connecting seat, a positioning block is arranged in each groove through a second connecting screw, and the positioning block extends into the sleeve;
the piston dismounting device comprises a sleeve seat, a third hexagonal head is arranged at the upper end of the sleeve seat, an inner gear sleeve is connected to the lower end of the third hexagonal head through a third connecting screw, and teeth are arranged in the inner gear sleeve.
Preferably, the front end of the first positioning bolt is provided with a sleeve head, and the sleeve head is made of nylon materials and plays a role in protecting components.
Preferably, the lower ends of the two sides of the mounting sleeve are provided with third threaded through holes, fourth positioning bolts are screwed in the third threaded through holes from outside to inside, and the fourth positioning bolts are used for positioning the ends of the front wheel turning actuating cylinders.
Preferably, the number of the second positioning bolts is four, and the four second positioning bolts can push the pressure plate to stably move.
Preferably, an inner bushing is further arranged in the sleeve seat and plays a role in protecting the components.
Compared with the prior art, the invention has the beneficial effects that:
the difficult decomposition piece on the front wheel turning actuator cylinder can be conveniently and quickly decomposed by using the combination of a plurality of tools such as the positioning device, the end head dismounting device, the nut dismounting device and the piston dismounting device, the decomposition efficiency of the front wheel turning actuator cylinder is improved, the working time is shortened, and the damage of the part in the decomposition process can be avoided.
When the front wheel turning actuator cylinder is disassembled, firstly, the first cylinder body and the second cylinder body are disassembled by using the nut disassembling device and the positioning device, the positioning device is clamped on a vice to be fixed, then the end head direction of the front wheel turning actuator cylinder is downwards inserted into the positioning device, two electric plugs are sleeved with the upper bushings and then inserted into the arc-shaped grooves to realize positioning, then two first positioning bolts are screwed, the front ends of the first positioning bolts are pressed on the second cylinder body, and further the position of the front wheel turning actuator cylinder is fixed; sleeving the sleeve on the first cylinder from top to bottom, inserting an oil pipe on the front wheel turning actuating cylinder into the side groove, respectively inserting two positioning blocks with symmetrical positions into two grooves on the connecting nut, finally rotating a second hexagonal head above the sleeve to drive the rotating sleeve and the positioning blocks to rotate, further loosening the connecting nut, and quickly disassembling the first cylinder and the second cylinder after the connecting nut is taken down;
when the end is disassembled, a positioning device and an end disassembling device are used, a bottom plate is placed in a base, a protruding strip faces upwards, the head of a piston rod of a front wheel turning actuating cylinder is downwards inserted into the base, a strip-shaped groove at the head of the piston rod is inserted into the protruding strip for positioning, two electric plugs are sleeved with upper bushings and then inserted into arc-shaped grooves for positioning, the end disassembling device is installed on the end, an installation sleeve is inserted onto the end, one surface of a ball bearing on the end is inserted into a side hole, a third positioning bolt is rotated to move downwards to position the end, a second positioning bolt is rotated to move towards the installation sleeve, a pressure plate is pushed to press the side surface of the ball bearing, the ball bearing is inserted into a circular groove, and finally, a first hexagonal head is rotated to drive the end disassembling device to move, and the end is quickly disassembled from the upper end of the piston rod;
use positioner and piston dismounting device when decomposing the sealed piston of external screw thread, insert the positioner downwards with the second barrel, insert the arc wall after two electric plug overcoat bush and realize fixing a position, put cover seat cover in the upper end of the sealed piston of external screw thread again, make the notch interlock of tooth and the sealed piston upper end of external screw thread, rotate the third hexagon head again, drive piston dismounting device and the sealed piston rotation of external screw thread through the third hexagon head, realize the quick dismantlement of the sealed piston of external screw thread.
Drawings
FIG. 1 is an exploded view of a first cartridge of the present invention;
FIG. 2 is a sectional view of the positioning device of the present invention in a top view;
FIG. 3 is a top view of a bottom plate of the fixture of the present invention;
FIG. 4 is a side view of a bottom plate of the fixture of the present invention;
FIG. 5 is a top view of the nut remover of the present invention;
FIG. 6 is a front sectional view of the nut remover of the present invention;
FIG. 7 is a side sectional view of the nut remover of the present invention;
FIG. 8 is an exploded view of the tip of the present invention;
FIG. 9 is a front sectional view of the tip remover of the present invention;
FIG. 10 is a side view of the tip remover of the present invention;
FIG. 11 is an exploded view of the externally threaded sealing piston of the present invention;
FIG. 12 is a top view of the piston remover of the present invention;
FIG. 13 is a bottom view of the piston remover of the present invention;
FIG. 14 is a sectional view showing the structure of the piston removing apparatus according to the present invention;
FIG. 15 is a perspective view of the front wheel steering actuator cylinder of the present invention;
fig. 16 is a front view of the front wheel steering actuator of the present invention;
fig. 17 is a front structural cross-sectional view of the front wheel steering ram of the present invention.
Reference numbers in the figures: 1. front wheel steering actuator cylinder 11, first cylinder 12, second cylinder 13, connecting nut 14, electric plug 15, external thread sealing piston 16, piston rod 161, groove 17, oil pipe 18, end 2, positioning device 21, base 211, arc groove 22, bushing 23, connecting seat 231, first screw through hole 24, first positioning bolt 25, sleeve head 26, bottom plate 261, protruding strip 3, end dismounting device 31, mounting sleeve 311, side hole 312, second screw through hole 313, third screw through hole 314, first through hole 32, connecting rod 33, connecting nut 34, return spring 35, pressure plate 351, circular groove 36, second positioning bolt 37, first hexagonal head 371, cover plate 372, internal groove 38, third positioning bolt 39, first connecting bolt 310, fourth positioning bolt, 4. the nut dismounting device comprises a nut dismounting device 41, a sleeve, 411, an edge groove 42, a second hexagonal head 43, a lower connecting seat 431, a groove 44, a positioning block 45, a second connecting screw 5, a piston dismounting device 51, a sleeve seat 52, a third hexagonal head 53, an inner gear sleeve 531, a tooth 54, a third connecting screw 55 and an inner lining sleeve.
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. 1-17, the present invention provides a technical solution: a front wheel turning actuator cylinder disassembling tool assembly comprises a positioning device 2, an end head disassembling device 3, a screw cap disassembling device 4 and a piston disassembling device 5, the positioning device 2 comprises a base 21, two side plates of the base 21 are provided with arc-shaped grooves 211, a bush 22 is arranged in the arc-shaped groove 211, the bush 22 is sleeved on the electric plug 14 of the front wheel turning actuating cylinder 1 when in use to play a role of protection, the front and rear sides of the base 21 are provided with a connecting seat 23, the connecting seat 23 is provided with a first threaded through hole 231, a first positioning bolt 24 is screwed in the first threaded through hole 231 from outside to inside, the first positioning bolt 24 can rotate to move back and forth, the front end of the first positioning bolt 24 is provided with a sleeve head 25, the sleeve head 25 is made of nylon material, the bottom of the base 21 is paved with a bottom plate 26, and the middle of the bottom plate 26 is provided with a convex strip 261 upwards;
the end head dismounting device 3 comprises a mounting sleeve 31, a side hole 311 is formed in one side of the mounting sleeve 31, a first through hole 314 is formed in the center of the other side of the mounting sleeve 31, a connecting rod 32 penetrates through the first through hole 314, a connecting nut 33 is screwed to the outer end of the connecting rod 32, a return spring 34 is connected between the connecting nut 33 and the outer side face of the mounting sleeve 31, a pressure plate 35 is mounted at the inner end of the connecting rod 32, a circular groove 351 corresponding to the position of the side hole 311 is formed in the inner side of the pressure plate 35, four second threaded through holes 312 are symmetrically formed in the other side of the mounting sleeve 31, a second positioning bolt 36 is screwed into the second threaded through hole 312 from outside to inside, and the four second positioning bolts 36 can rotate to push the pressure plate 35 into the mounting sleeve 31 to stably move; the lower ends of the two sides of the mounting sleeve 31 are respectively provided with a third threaded through hole 313, a fourth positioning bolt 310 is screwed in the third threaded through hole 313 from outside to inside, and the fourth positioning bolt 310 is used for positioning the end 18 of the front wheel steering actuating cylinder 1; a first hexagonal head 37 is arranged at the upper end of the mounting sleeve 31, a cover plate 371 at the lower end of the first hexagonal head 37 is mounted at the upper end of the mounting sleeve 31 through a first connecting screw 39, an inner groove 372 is formed in the first hexagonal head 37, and a third positioning bolt 38 is screwed downwards in the inner groove 372;
the nut dismounting device 4 comprises a sleeve 41, wherein one side of the sleeve 41 is longitudinally cut from top to bottom to form a side groove 411, the side groove 411 is convenient for an oil pipe 17 to penetrate into the sleeve 41, a second hexagonal head 42 is arranged at the upper end of the sleeve 41, a lower connecting seat 43 is arranged at the outer edge of the lower end of the sleeve 41, two grooves 431 are symmetrically formed in the bottom of the lower connecting seat 43, a positioning block 44 is arranged in each groove 431 through a second connecting screw 45, and the positioning block 44 extends into the sleeve 41;
the piston dismounting device 5 comprises a sleeve seat 51, a third hexagonal head 52 is arranged at the upper end of the sleeve seat 51, the lower end of the third hexagonal head 52 is connected with an inner gear sleeve 53 through a third connecting screw 54, teeth 531 are arranged in the inner gear sleeve 53, an inner bushing 55 is further arranged in the sleeve seat 51, and the inner bushing 55 plays a role in protecting components.
The working principle is as follows: when the front wheel turning actuator cylinder is disassembled, firstly, the first cylinder body 11 and the second cylinder body 12 are disassembled by using the nut disassembling device 4 and the positioning device 2, the positioning device 2 is clamped on a vice to be fixed, then the end head 18 of the front wheel turning actuator cylinder 1 is downwards inserted into the positioning device 2, the two electric plugs 14 are sleeved with the upper bushings 22 and then inserted into the arc-shaped groove 211 to realize positioning, then the two first positioning bolts 24 are screwed down, the front ends of the first positioning bolts 24 are pressed on the second cylinder body 12, and further the position of the front wheel turning actuator cylinder 1 is fixed; sleeving the sleeve 41 on the first cylinder 11 from top to bottom, inserting the oil pipe 17 on the front wheel turning actuator cylinder 1 into the side groove 411, respectively inserting the two positioning blocks 44 with symmetrical positions into the two grooves on the connecting nut 13, finally rotating the second hexagonal head 42 above the sleeve 41 to drive the rotating sleeve 41 and the positioning blocks 44 to rotate, further loosening the connecting nut 13, and quickly disassembling the first cylinder 11 and the second cylinder 12 after taking down the connecting nut 13;
when the end 18 is dismounted, the positioning device 2 and the end dismounting device 3 are used, the bottom plate 26 is placed in the base 21, the convex strip 261 faces upwards, the head of the piston rod 16 of the front wheel turning actuating cylinder 1 is downwards inserted into the base 21, the strip-shaped groove at the head of the piston rod 16 is inserted into the convex strip 261 for positioning, the two electric plugs 14 are sleeved with the bushings 22 and then are inserted into the arc-shaped groove 211 for positioning, the end dismounting device 3 is installed on the end 18, the installation sleeve 31 is inserted into the end 18, one surface of a ball bearing on the end 18 is inserted into the side hole 311, the third positioning bolt 38 is rotated downwards to position the end 18, the second positioning bolt 36 is rotated to move inwards the installation sleeve 31, the pressure plate 35 is pushed to press the side surface of the ball bearing, the ball bearing is inserted into the circular groove 351, and finally the first hexagonal head 37 is rotated to drive the end dismounting device 3 to drive the end 18 to move, and the end 18 is quickly dismounted from the upper end of the piston rod 16;
use positioner 2 and piston dismounting device 5 when decomposing external thread sealing piston 15, insert second barrel 12 in positioner 2 downwards, insert the arc groove 211 after two electric plugs 14 overcoat bush 22 and realize the location, put the upper end at external thread sealing piston 15 with cover seat 51 cover again, make tooth 531 and the notch interlock of external thread sealing piston 15 upper end, rotate third hexagonal head 52 again, drive piston dismounting device 5 and external thread sealing piston 15 through third hexagonal head 52 and rotate, realize the quick dismantlement of external thread sealing piston 15.
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 (5)
1. The utility model provides a front wheel turns round pressurized strut and decomposes frock subassembly, includes positioner (2), end dismounting device (3), nut dismounting device (4) and piston dismounting device (5), its characterized in that: the positioning device (2) comprises a base (21), two side plates of the base (21) are provided with arc-shaped grooves (211), bushings (22) are placed in the arc-shaped grooves (211), connecting seats (23) are installed on the front side and the rear side of the base (21), the connecting seats (23) are provided with first threaded through holes (231), first positioning bolts (24) are screwed in the first threaded through holes (231) from outside to inside, a bottom plate (26) is laid at the bottom in the base (21), and a protruding strip (261) is upwards arranged in the middle of the bottom plate (26);
the end head dismounting device (3) comprises a mounting sleeve (31), a side hole (311) is formed in one side of the mounting sleeve (31), a first through hole (314) is formed in the center of the other side of the mounting sleeve (31), a connecting rod (32) is inserted into the first through hole (314), a connecting nut (33) is screwed to the outer end of the connecting rod (32), a reset spring (34) is connected between the connecting nut (33) and the outer side face of the mounting sleeve (31), a pressure plate (35) is installed at the inner end of the connecting rod (32), a circular groove (351) corresponding to the side hole (311) is formed in the inner side of the pressure plate (35), a plurality of second threaded through holes (312) are symmetrically formed in the other side of the mounting sleeve (31), and a second positioning bolt (36) is screwed into the second threaded through hole (312) from outside to inside; a first hexagonal head (37) is arranged at the upper end of the mounting sleeve (31), a cover plate (371) at the lower end of the first hexagonal head (37) is mounted at the upper end of the mounting sleeve (31) through a first connecting screw (39), an inner groove (372) is formed in the first hexagonal head (37), and a third positioning bolt (38) is screwed downwards in the inner groove (372);
the nut dismounting device (4) comprises a sleeve (41), a side groove (411) is formed in one side of the sleeve (41) in a longitudinal cutting mode from top to bottom, a second hexagonal head (42) is arranged at the upper end of the sleeve (41), a lower connecting seat (43) is arranged on the outer edge of the lower end of the sleeve (41), two grooves (431) are symmetrically formed in the bottom of the lower connecting seat (43), a positioning block (44) is installed in each groove (431) through a second connecting screw (45), and the positioning block (44) extends into the sleeve (41);
the piston dismounting device (5) comprises a sleeve seat (51), a third hexagonal head (52) is arranged at the upper end of the sleeve seat (51), the lower end of the third hexagonal head (52) is connected with an inner gear sleeve (53) through a third connecting screw (54), and teeth (531) are arranged in the inner gear sleeve (53).
2. The front wheel steering actuator cylinder disassembly tool assembly of claim 1, wherein: the front end of the first positioning bolt (24) is provided with a sleeve head (25).
3. The front wheel steering actuator cylinder disassembly tool assembly of claim 1, wherein: third threaded through holes (313) are formed in the lower ends of the two sides of the mounting sleeve (31), and fourth positioning bolts (310) are screwed in the third threaded through holes (313) from outside to inside.
4. The front wheel steering actuator cylinder disassembly tool assembly of claim 1, wherein: the number of the second positioning bolts (36) is four.
5. The front wheel steering actuator cylinder disassembly tool assembly of claim 1, wherein: an inner bushing (55) is further arranged in the sleeve seat (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691510.8A CN113500561B (en) | 2021-06-22 | 2021-06-22 | Front wheel turning actuating cylinder disassembling tool assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691510.8A CN113500561B (en) | 2021-06-22 | 2021-06-22 | Front wheel turning actuating cylinder disassembling tool assembly |
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| Publication Number | Publication Date |
|---|---|
| CN113500561A CN113500561A (en) | 2021-10-15 |
| CN113500561B true CN113500561B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110691510.8A Active CN113500561B (en) | 2021-06-22 | 2021-06-22 | Front wheel turning actuating cylinder disassembling tool assembly |
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| CN209335495U (en) * | 2018-10-26 | 2019-09-03 | 海航航空技术股份有限公司 | The handler of Boeing-737 type aircraft nose landing gear pressurized strut nut |
| KR20200000028U (en) * | 2018-06-26 | 2020-01-06 | 주식회사 한국가스기술공사 | Disassembling jig for valve actuator cylinder |
| CN210210101U (en) * | 2019-05-31 | 2020-03-31 | 沈阳北方飞机维修有限公司 | Repairing tool for airplane actuating cylinder |
| CN111070118A (en) * | 2018-10-18 | 2020-04-28 | 南京龙航国健电子科技有限公司 | Disassembling and assembling clamp of hydraulic actuator cylinder |
| CN212351818U (en) * | 2020-04-10 | 2021-01-15 | 广州飞机维修工程有限公司 | Auxiliary device for disassembling and assembling actuator cylinder of valve on airplane |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1261177A (en) * | 1969-02-08 | 1972-01-26 | Maschf Augsburg Nuernberg Ag | Hydraulic device for lifting an element |
| CN201149071Y (en) * | 2007-08-25 | 2008-11-12 | 陕西燎原航空机械制造公司 | Locking apparatus of dynamoelectric deploying and retracting actuating cylinder |
| CN103465216A (en) * | 2013-08-20 | 2013-12-25 | 广州飞机维修工程有限公司 | Device for disassembling piston in aircraft engine sheath opening actuator cylinder |
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| CN205184673U (en) * | 2015-10-20 | 2016-04-27 | 中国人民解放军第五七二一工厂 | Aircraft undercarriage backplate receive and releases pressurized strut piston assembling instrument |
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| Publication number | Publication date |
|---|---|
| CN113500561A (en) | 2021-10-15 |
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