CN217514907U - Aircraft hydraulic jack traction mechanism capable of achieving tandem traction walking - Google Patents

Abstract

The utility model discloses an aircraft hydraulic jack drive mechanism that can be got in cluster and pull walking, which comprises a frame, tip rotates under the frame and is connected with the traction lever, the one end that the traction lever deviates from the frame is equipped with the traction connector, the one end of frame is equipped with the connection bulb, the traction connector is equipped with the ball hinge cap, the loose-leaf rotates and is connected with first pivot, the ball hinge cap is connected with the screw rod, the screw rod includes connection piece and montant, the connection piece rotates with first pivot and is connected, the montant deviates from the one end threaded connection of first pivot and has the nut, the loose-leaf rotates and is connected with the cardboard, the loose-leaf is close to the one end and the fixed plate looks butt of ball hinge cap, the cardboard is equipped with the couple, the fixed plate is seted up with the square groove of couple looks adaptation, tip is equipped with the second pivot under the ball hinge cap, the second pivot rotates and is connected with the ball fender, the ball keeps off and is located inside the cap. This application has the effect of carrying out the simultaneous movement to many aircraft hydraulic jack.

Description

Aircraft hydraulic jack traction mechanism capable of achieving tandem traction walking

Technical Field

The utility model belongs to the technical field of aircraft hydraulic jack and specifically relates to an aircraft hydraulic jack drive mechanism that can pull walking in cluster.

Background

With the economic development, the aviation industry is also developing at a rapid pace, both military aircrafts and civil aircrafts need to be regularly maintained and maintained to ensure the normal flight of the aircrafts, and as the aircrafts have large sizes, hydraulic jacks of the aircrafts are generally used for supporting the aircrafts during maintenance and maintenance of the aircrafts.

The Chinese patent with the reference publication number CN206970100U in the related art discloses an aircraft hydraulic jack, which comprises a hydraulic system and at least three groups of supporting systems arranged on the hydraulic system; the hydraulic system comprises a hydraulic oil cylinder, a mandril and an oil filling exhaust port which are arranged on the hydraulic oil cylinder, and a manual pump connected with the hydraulic oil cylinder; each group of supporting systems comprises a supporting plate, a supporting cylinder and a pull rod which are movably connected with the supporting plate, and a wheel seat assembly connected with the supporting cylinder; the other end of each supporting cylinder is simultaneously connected with an upper bracket arranged on the hydraulic oil cylinder, and the other end of each pull rod is simultaneously connected with a lower bracket arranged on the hydraulic oil cylinder.

According to the related technology, when the airplane is maintained, a plurality of airplane hydraulic jacks are often needed to support the airplane, an operator needs to move the airplane hydraulic jacks to the lower portion of the airplane, when the airplane hydraulic jacks are used, only a single airplane hydraulic jack can be moved, more time is needed, and the maintenance time of the airplane is longer.

SUMMERY OF THE UTILITY MODEL

In order to carry out simultaneous movement to many aircraft hydraulic jack, this application provides an aircraft hydraulic jack drive mechanism that can pull walking in cluster.

The application provides an aircraft hydraulic jack traction mechanism that can pull walking in cluster adopts following technical scheme:

a traction mechanism of an airplane hydraulic jack capable of being towed and walking in a string comprises a rack, wherein the lower end part of the rack is rotatably connected with a traction rod, one end of the traction rod, which is far away from the rack, is provided with a traction connector, one end of the rack, which is far away from the traction connector, is provided with a connecting ball head, the traction connector is provided with a spherical hinge cap, the upper end surface of the spherical hinge cap is fixedly connected with a fixed plate, the fixed plate is abutted with a hinge, the hinge is rotatably connected with a first rotating shaft, one end, which is far away from the first rotating shaft, of the spherical hinge cap is provided with a placing cavity, one end, which is close to the placing cavity, of the spherical hinge cap is provided with a first arc-shaped part matched with the connecting ball head, the upper end surface of the spherical hinge cap is provided with a first through groove, the fixed plate is provided with a second through groove, the spherical hinge cap is connected with a screw rod, the screw rod comprises a connecting piece and a vertical rod, the first through piece is rotatably connected with the first through groove and the second through groove, one end, which is far away from the first rotating shaft, is in a nut in a threaded connection way, the loose-leaf rotates and is connected with the cardboard, and the loose-leaf is close to the one end and the fixed plate looks butt of ball hinge cap, and the cardboard is equipped with the couple, and the fixed plate has set firmly the kink, and the kink sets up the square groove with couple looks adaptation, and the tip is equipped with the second pivot under the ball hinge cap, and the second pivot rotates and is connected with the ball fender, and the ball fender is located inside the ball hinge cap, and the round hole with montant looks adaptation is seted up to the ball fender, and the ball fender deviates from the one end fixedly connected with baffle of second pivot.

By adopting the technical scheme, the connecting ball head on one machine frame is connected with the traction connector on the other machine frame, the connecting ball head is placed in the placing cavity, the clamping plate is pulled, the loose-leaf is rotated to move the screw rod upwards, the ball baffle synchronously rotates along with the movement of the screw rod, when the hinge rotates to be parallel to the spherical hinge cap, the baffle is abutted against the connecting ball head, the connecting ball head is limited in the placing cavity, then the clamping plate is clamped into the square groove for fixing, the positioning and locking of the traction connector and the connecting ball head are realized, the traction connection between the two airplane hydraulic jacks is completed, the plurality of airplane hydraulic jacks are connected in series through the connecting ball head and the traction connector for traction, then the traction rod of the airplane hydraulic jack at the head end is pulled, the aircraft hydraulic lifting jack can be pulled to drive all the aircraft hydraulic lifting jacks to move simultaneously, and the plurality of aircraft hydraulic lifting jacks can be moved simultaneously conveniently and quickly.

Optionally, the connecting piece is connected with a safety pin in a sliding mode, and through holes matched with the safety pin are formed in the two sides of the hinge.

By adopting the technical scheme, the rotating loose-leaf and the connecting sheet are fixed through the safety pin, so that the connection stability between the connecting ball head and the traction connector is improved.

Optionally, the baffle is provided with a second arc-shaped part matched with the connecting ball head.

Through adopting above-mentioned technical scheme, second arc portion and connection bulb looks adaptation, the ball of being convenient for keep off better spacing to connecting the bulb.

Optionally, the connecting bulb is fixedly connected with a fixing rod, and one end of the fixing rod, which deviates from the connecting bulb, is in threaded connection with the rack.

By adopting the technical scheme, the connecting ball head can be detached, the damaged connecting ball head can be conveniently replaced, and the cost is saved.

Optionally, one end of the fixing rod close to the connecting ball head is provided with a third arc-shaped part.

By adopting the technical scheme, after the ball head is fixedly connected, the lower end part of the baffle is abutted against the third arc-shaped part, so that the connecting ball head is not easy to fall off, and the connection stability between the traction connector and the connecting ball head is further improved.

Optionally, the nut is fixedly connected with a spring, the spring penetrates through the ball retainer and is abutted to the lower end face of the ball hinge cap, and the spring is sleeved outside the vertical rod.

Through adopting above-mentioned technical scheme, behind the fixed connection bulb, the spring is in tensile state, and the spring is to the decurrent pulling force of cardboard, the screw rod reset when being convenient for separate, improves the stability of being connected of couple and square groove simultaneously.

Optionally, a torsion spring is arranged between the clamping plate and the hinge, and two ends of the torsion spring are respectively fixedly connected with the clamping plate and the hinge.

By adopting the technical scheme, after the hook is clamped into the square groove, the torsion spring has downward elastic action on the clamping plate, and the auxiliary hook is better fixed with the square groove.

Optionally, a round corner is arranged at one end of the hinge close to the fixing plate.

Through adopting above-mentioned technical scheme, the fillet makes the loose-leaf more convenient laborsaving when conflicting with the fixed plate and rotating.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting ball head on one rack is connected with a traction connector on the other rack, the connecting ball head is placed in a placing cavity, a clamping plate is pulled, a hinge is rotated to enable a screw rod to move upwards, a ball baffle rotates synchronously along with the movement of the screw rod, when the hinge rotates to be parallel to a spherical hinge cap cover, a baffle plate is abutted against the connecting ball head at the moment, the connecting ball head is limited in the placing cavity, the clamping plate is clamped into a square groove to be fixed, the positioning and locking of the traction connector and the connecting ball head are realized, the traction connection between two airplane hydraulic jacks is completed, a plurality of airplane hydraulic jacks are connected in series and pulled through the connecting ball head and the traction connector, and then a traction rod of a head-end airplane hydraulic jack is pulled, so that all the airplane hydraulic jacks can be pulled to move simultaneously, and the movement of the airplane hydraulic jacks is convenient and fast;

2. the rotated loose-leaf and the connecting sheet are fixed through the safety pin, so that the connection stability between the connecting ball head and the traction connector is improved;

3. after the ball head is fixedly connected, the spring is in a stretching state, the spring applies downward tension to the clamping plate, the screw rod is convenient to reset during separation, and meanwhile, the connection stability of the hook and the square groove is improved.

Drawings

Fig. 1 is a schematic view of a plurality of aircraft hydraulic jacks connected in series by a traction mechanism.

Fig. 2 is a position schematic diagram of a hydraulic jack traction mechanism of an airplane capable of being towed and walking in a string.

FIG. 3 is a schematic view of the connection of the hitch ball to the towing hitch.

Fig. 4 is a schematic sectional view of the coupling ball and the traction coupling in a highlighted state.

FIG. 5 is an exploded view aimed at highlighting the torsion spring position

Fig. 6 is an enlarged schematic view of a portion a in fig. 4.

Description of reference numerals: 1. a frame; 2. a draw bar; 3. a traction coupling; 4. connecting a ball head; 31. a spherical hinge cap; 32. a fixing plate; 33. loose leaves; 34. a first rotating shaft; 311. a placement chamber; 312. a first arcuate portion; 321. a first through groove; 324. a second through groove; 351. connecting sheets; 352. a vertical rod; 353. a nut; 36. clamping a plate; 361. hooking; 322. a bending section; 323. a square groove; 313. a second rotating shaft; 37. a ball retainer; 372. a baffle plate; 331. a through hole; 373. a second arcuate portion; 41. fixing the rod; 411. a third arc-shaped portion; 354. a spring; 362. a torsion spring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses an aircraft hydraulic jack traction mechanism capable of realizing tandem traction walking.

Examples

Referring to fig. 1 and 2, the aircraft hydraulic jack traction mechanism capable of achieving tandem traction walking comprises a frame 1, wherein a traction rod 2 is rotatably connected to the lower end portion of the frame 1, a traction connector 3 is arranged at one end, deviating from the frame 1, of the traction rod 2, and a connecting ball head 4 is arranged at one end, deviating from the traction connector 3, of the frame 1. When a plurality of airplane hydraulic jacks need to be moved, a worker rotates the traction rod 2 to enable the traction connector 3 to descend to the position close to the connecting ball head 4, the traction connector 3 is sequentially connected with the connecting ball head 4 of another airplane hydraulic jack, series connection of the airplane hydraulic jacks is achieved, and the airplane hydraulic jacks can be moved conveniently.

Referring to fig. 3 and 4, the traction connector 3 (fig. 1) is provided with a spherical hinge cap 31, the upper end surface of the spherical hinge cap 31 is fixedly connected with a fixing plate 32, the fixing plate 32 is abutted with a hinge 33, the hinge 33 is rotatably connected with a first rotating shaft 34, one end of the spherical hinge cap 31 is provided with a placing cavity 311, and one end of the spherical hinge cap 31 close to the placing cavity 311 is provided with a first arc-shaped part 312 matched with the connecting ball head 4. When a plurality of aircraft hydraulic jacks are connected, a worker places the connecting ball head 4 in the spherical hinge cap cover 31 of another aircraft hydraulic jack, and the connecting ball head 4 is located in the placing cavity 311 and is abutted to the inner wall of the first arc-shaped part 312.

Referring to fig. 4 and 5, in an initial state, the hinge 33 is perpendicular to the spherical hinge cap 31, the hinge 33 is rotatably connected with the clamping plate 36, one end of the hinge 33, which is far away from the clamping plate 36, abuts against the fixing plate 32, and the clamping plate 36 and the fixing plate 32 are in a separated state. The catch plate 36 is provided with a hook 361, a torsion spring 362 is arranged between the catch plate 36 and the hinge 33, and two ends of the torsion spring 362 are respectively fixedly connected with the catch plate 36 and the hinge 33.

Referring to fig. 4 and 5, when the torsion spring 362 is in a natural state, the card 36 and one end of the hinge 33 away from the first rotating shaft 34 form a certain angle, a worker holds the card 36 to rotate the card 36, the angle between the card 36 and one end of the hinge 33 away from the first rotating shaft 34 is reduced, the torsion spring 362 is compressed, the hook 361 is far away from the first rotating shaft 34, the distance between the hook 361 and the first rotating shaft 34 is increased, and the fixing plate 32 can conveniently enter between the hook 361 and the hinge 33.

Referring to fig. 4 and 6, the fixing plate 32 is fixedly provided with a bending portion 322, the bending portion 322 is provided with a square groove 323 matched with the hook 361, a worker holds the clamping plate 36 to keep the clamping plate 36 away from the first rotating shaft 34, the hinge 33 rotates around the first rotating shaft 34, one end of the hinge 33 close to the fixing plate 32 is provided with a round angle, and the round angle can enable the hinge 33 to always keep abutting against the fixing plate 32 when rotating, so that the rotation is more labor-saving and convenient. The hinge 33 rotates to the bending part 322 and is located between the hook 361 and the hinge 33, the hook 361 corresponds to the square groove 323 at the moment, the worker loosens the clamping plate 36, the clamping plate 36 rotates under the action of the elastic force of the torsion spring 362, the angle between the clamping plate 36 and one end of the hinge 33 departing from the first rotating shaft 34 is increased, and the hook 361 enters the square groove 323, so that the clamping plate 36 is connected with the fixing plate 32, and further the clamping plate 36 is connected with the ball hinge cap cover 31.

Referring to fig. 4 and 6, a first through groove 321 is formed in the upper end surface of the spherical hinge cap 31, a second through groove 324 is formed in the fixing plate 32, the spherical hinge cap 31 is connected with a screw rod, the screw rod includes a connecting sheet 351 and a vertical rod 352, the connecting sheet 351 penetrates through the first through groove 321 and the second through groove 324 to be rotatably connected with the first rotating shaft 34, and when the hinge 33 rotates, the height of the first rotating shaft 34 moves upwards along with the rotation of the hinge 33, so that the connecting sheet 351 and the vertical rod 352 are driven to move upwards together. The end of the vertical rod 352, which is away from the first rotating shaft 34, is connected with a nut 353 through a thread, the nut 353 moves upwards along with the vertical rod 352, the lower end of the spherical hinge cap 31 is provided with a second rotating shaft 313, the second rotating shaft 313 is rotatably connected with a ball stopper 37, the ball stopper 37 is located inside the spherical hinge cap 31, the ball stopper 37 is provided with a round hole matched with the vertical rod 352, and the vertical rod 352 is located in the round hole to slide.

Referring to fig. 4, when the nut 353 moves upwards, the ball stopper 37 is pushed to rotate around the second rotating shaft 313, the ball stopper 37 deviates from the one end fixedly connected with baffle 372 of the second rotating shaft 313, the baffle 372 is provided with a second arc-shaped portion 373 connected with the ball head 4 in a matched manner, the baffle 372 rotates along with the ball stopper 37, the ball head 4 connected in the placing cavity 311 is in contact with the baffle 372, the connecting ball head 4 is matched with the second arc-shaped portion 373, and the limiting effect of the ball stopper 37 on the connecting ball head 4 is improved.

Referring to fig. 4 and 6, the connection ball 4 is fixedly connected with a fixing rod 41, and one end of the fixing rod 41 close to the connection ball 4 is provided with a third arc-shaped portion 411. The one end that baffle 372 deviates from ball fender 37 offsets with third arc portion 411, increased ball fender 37 and the stability of being connected of bulb 4, nut 353 fixedly connected with spring 354, spring 354 wears to establish ball fender 37 and ball hinge cap lid 31 terminal surface and offsets, the spring 354 cover is located the montant 352 outside, spring 354 one end is along with nut 353 rebound, make spring 354 compress, spring 354 is to the decurrent pulling force of screw, make couple 361 and square groove 323 be connected more stably.

Referring to fig. 3 and 5, the connecting piece 351 is slidably connected with the safety pin 38, through holes 331 matched with the safety pin 38 are formed in two sides of the hinge 33, the safety pin 38 is taken down before installation, the hinge 33 is rotated, the hook 361 enters the square groove 323 (fig. 5), the safety pin 38 penetrates through one through hole 331, the connecting piece 351 is penetrated and enters the other through hole 331, the hinge 33 is connected with the connecting piece 351, when the hook 361 is separated from the square groove 323 (fig. 5) due to vibration, the safety pin 38 can fix the hinge 33, the connection ball 4 is further prevented from being separated from the traction connector 3 (fig. 1), and the separation between aircraft hydraulic jacks during movement is avoided.

Referring to fig. 2 and 3, the frame 1 is provided with the connecting ball 4 and the traction connector 3, the connection operation of the connecting ball 4 and the traction connector 3 is simple, a plurality of airplane hydraulic jacks can be connected in series by a worker, the first-end airplane hydraulic jack is pulled, all the airplane hydraulic jacks can be driven to move simultaneously by traction, and the connecting ball 4 is matched with the first arc-shaped portion 312, so that the connecting ball 4 can flexibly rotate when moving, and the movement such as turning is convenient.

Referring to fig. 4 and 6, when the hydraulic jack of the aircraft moves to a destination, a worker takes down the safety pin 38, holds the catch plate 36 to rotate the catch plate 36, separates the hook 361 from the square groove 323, releases the catch plate 36 when the hinge 33 rotates to a vertical state, resets the catch plate 36 under the elastic force of the torsion spring 362 (fig. 4), lowers the height of the first rotating shaft 34, lowers the screw along with the first rotating shaft 34, lowers one end of the spring 354 along with the nut 353, presses the other end of the spring 354 against the lower end of the connecting piece 351, move with connection piece 351 together, ball catch 37 rotates around second pivot 313, baffle 372 with connect bulb 4 separation, the staff can take out from placing chamber 311 connecting bulb 4, accomplish the separation between two aircraft hydraulic jack, adjust the position of single aircraft hydraulic jack respectively again, make things convenient for follow-up maintenance and the maintenance to the aircraft.

Referring to fig. 2 and 4, the fixing rod 41 is connected with the rack 1 through threads at the end away from the connecting ball head 4, and when the connecting ball head 4 is worn or deformed, the fixing rod 41 can be screwed down to replace the connecting ball head 4, so that convenience and rapidness are achieved.

The implementation principle of the aircraft hydraulic jack traction mechanism capable of realizing serial traction walking in the embodiment of the application is as follows: the worker firstly places the connecting ball 4 in the placing cavity 311 of another traction connector 3, then holds the clamping plate 36 to rotate the clamping plate 36, the angle between the clamping plate 36 and one end of the hinge 33 departing from the first rotating shaft 34 is reduced, the hook 361 is far away from the first rotating shaft 34, the hinge 33 is rotated to be parallel to the spherical hinge cap 31, the hook 361 enters the square groove 323 to loosen the clamping plate 36, the hook 361 abuts against the bending part 322 of the fixing plate 32 to connect the clamping plate 36 with the fixing plate 32, meanwhile, the screw rod moves upwards along with the first rotating shaft 34, the nut 353 abuts against the ball baffle 37 to drive the ball baffle 37 to rotate around the second rotating shaft 313, so that the ball baffle 37 limits the connecting ball 4 in the placing cavity 311, the connecting ball 4 is connected with the spherical hinge cap 31 to complete the connection of two aircraft hydraulic jacks, the traction connector 3 and the connecting ball 4 are arranged on each rack 1, and can connect a plurality of aircraft hydraulic jacks in series, the simultaneous movement of a plurality of aircraft hydraulic jacks is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an aircraft hydraulic jack drive mechanism that can pull walking in cluster, includes frame (1), its characterized in that: the traction device is characterized in that a traction rod (2) is rotatably connected to the lower end of the rack (1), a traction connector (3) is arranged at one end, deviating from the rack (1), of the traction rod (2), a connecting ball head (4) is arranged at one end, deviating from the traction connector (3), of the rack (1), a spherical hinge cap (31) is arranged on the traction connector (3), a fixing plate (32) is fixedly connected to the upper end face of the spherical hinge cap (31), a hinge (33) is abutted to the fixing plate (32), a first rotating shaft (34) is rotatably connected to the hinge (33), a placing cavity (311) is arranged at one end, deviating from the first rotating shaft (34), of the spherical hinge cap (31), a first arc-shaped part (312) matched with the connecting ball head (4) is arranged at one end, close to the placing cavity (311), a first through groove (321) is formed in the upper end face of the spherical hinge cap (31), a second through groove (324) is formed in the fixing plate (32), ball pivot cap (31) is connected with the screw rod, the screw rod includes connection piece (351) and montant (352), first logical groove (321) and second are worn to establish by connection piece (351) and are led to groove (324) and rotate with first pivot (34) and be connected, one end threaded connection that montant (352) deviates from first pivot (34) has nut (353), loose-leaf (33) rotate and are connected with cardboard (36), cardboard (36) are equipped with couple (361), fixed plate (32) have set firmly kink (322), kink (322) set up with square groove (323) of couple (361) looks adaptation, the tip is equipped with second pivot (313) under ball pivot cap (31), second pivot (313) rotate and are connected with ball fender (37), ball fender (37) are located inside ball pivot cap (31), the round hole with montant (352) looks adaptation is seted up in ball fender (37), ball fender (37) deviate from one end fixedly connected with baffle (372) of second pivot (313).

2. The aircraft hydraulic jack traction mechanism capable of being towed in series according to claim 1, wherein: connection piece (351) sliding connection has safety catch (38), and loose-leaf (33) both sides all are seted up with through-hole (331) of safety catch (38) looks adaptation.

3. The aircraft hydraulic jack traction mechanism capable of being towed in series according to claim 1, wherein: the baffle (372) is provided with a second arc-shaped part (373) matched with the connecting ball head (4).

4. The aircraft hydraulic jack traction mechanism capable of realizing traction walking in a string way according to claim 1, is characterized in that: the connecting ball head (4) is fixedly connected with a fixing rod (41), and one end, deviating from the connecting ball head (4), of the fixing rod (41) is in threaded connection with the rack (1).

5. The aircraft hydraulic jack traction mechanism capable of achieving traction walking in series according to claim 4, is characterized in that: one end of the fixing rod (41) close to the connecting ball head (4) is provided with a third arc-shaped part (411).

6. The aircraft hydraulic jack traction mechanism capable of being towed in series according to claim 1, wherein: the nut (353) is fixedly connected with a spring (354), the spring (354) penetrates through the ball stop (37) to be abutted against the ball hinge cap cover (31), and the spring (354) is sleeved outside the vertical rod (352).

7. The aircraft hydraulic jack traction mechanism capable of being towed in series according to claim 1, wherein: a torsion spring (362) is arranged between the clamping plate (36) and the hinge (33), and two ends of the torsion spring (362) are fixedly connected with the clamping plate (36) and the hinge (33) respectively.

8. The aircraft hydraulic jack traction mechanism capable of being towed in series according to claim 1, wherein: one end of the hinge (33) close to the fixing plate (32) is provided with a round angle.

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