CN219341592U

CN219341592U - Emergency wheel axle jack for airplane

Info

Publication number: CN219341592U
Application number: CN202320239916.7U
Authority: CN
Inventors: 曹广龙
Original assignee: Dalian Dete United Industrial Technology Co ltd
Current assignee: Dalian Dete United Industrial Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-14
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of jacks, in particular to an airplane emergency wheel axle jack, wherein an operation fixing mechanism extends from a groove to enable the fixing mechanism to be tightly attached to the ground, so that a device is fixed; including bottom plate, electric hydraulic cylinder jack, electric hydraulic pressure socket, arc notch and universal wheel, the bottom plate top is provided with electric hydraulic cylinder jack, and electric hydraulic cylinder jack's top removes the end and rotates through the bearing and be provided with electric hydraulic pressure socket, and electric hydraulic pressure socket's top is provided with the arc notch, and the bottom four corners of bottom plate is provided with the universal wheel respectively, still includes fixed establishment and pushes away the mechanism, and the bottom of bottom plate is provided with the recess, and fixed establishment sets up in the recess, and demountable installation pushes away the mechanism on the bottom plate.

Description

Emergency wheel axle jack for airplane

Technical Field

The utility model relates to the technical field of jacks, in particular to an airplane emergency wheel axle jack.

Background

In the daily maintenance of an aircraft, a lateral jacking support is generally adopted for jacking the front point of the aircraft, so that torque can be generated on the aircraft fuselage structure, in the jacking scheme of the aircraft refitting and maintenance, under the condition that the front landing gear is in place, the front point of the aircraft is required to be vertically jacked, namely, a jacking device is required to be used at the vertex of a wheel shaft of the front landing gear, and currently, the wheel shaft jack is generally used as a replacement wheel or a compression shock absorption strut in the aircraft maintenance, and the integral jacking of the aircraft to a horizontal state cannot be met.

In the prior art, the Chinese patent with the bulletin number of CN203998793U discloses a high-reliability wheel axle jack for aircraft maintenance or refitting, which comprises a wheel axle jack base, a wheel axle jack screw rod, a locking device and a wheel axle jack shell, wherein the center of the locking device is provided with a through hole, the screw rod of the wheel axle jack screw rod penetrates through the through hole, the locking device consists of a cushion block group and a support frame, the lower end of the support frame is fixedly connected with the wheel axle jack base, the top of the support frame is connected with the bottom of the cushion block group, and the top of the cushion block group is provided with a locking nut.

In the use process, the device is not provided with a structure which can stably lift the bottom of the airplane wheel shaft through the arc surface, is not provided with a structure which is convenient for integrally removing sliding friction with the ground, is more stable, and is not provided with a structure which is convenient for removing fixation after the device is used to realize movement.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the airplane emergency wheel axle jack for improving convenience.

The utility model relates to an airplane emergency wheel axle jack, which comprises a bottom plate, an electric hydraulic cylinder jack, an electric hydraulic bearing seat, arc-shaped notches and universal wheels, wherein the electric hydraulic cylinder jack is arranged at the top end of the bottom plate; the staff makes the bottom plate remove to the assigned position through pushing away the cooperation of mechanism at four sets of universal wheels, and operation fixed establishment extends to from the recess to make fixed establishment and ground paste tightly, thereby make the device fixed, when using, during the staff operation fixed establishment gets into the recess, thereby make the device carry out convenient removal through four sets of universal wheels, improve the convenience, improve fixed and remove fixed convenience.

Preferably, the fixing mechanism comprises a servo motor, a support, a screw rod, a feed rod, a lifting plate, a connecting rod and a stabilizing seat, wherein the servo motor is arranged at the top end of the groove, the support is arranged in the groove, the bottom end of the support is flush with the bottom end of the bottom plate, the output end of the servo motor is provided with the screw rod, the bottom end of the screw rod is rotationally connected with the top end of the support through a bearing, a plurality of groups of feed rods are arranged on the support, the top ends of the plurality of groups of feed rods are all connected with the top ends of the groove, the lifting plate is in threaded connection with the screw rod, the lifting plate is in sliding connection with the plurality of groups of feed rods, the bottom ends of the lifting plate are provided with a plurality of groups of connecting rods, and the bottom ends of the plurality of groups of connecting rods are respectively provided with the stabilizing seat; when the device needs to be fixed, a worker operates the servo motor, so that the lead screw is matched with the support and the multiple groups of bars to enable the lifting plate to move downwards in the groove, the multiple groups of connecting rods respectively drive the corresponding stable seats to extend out of the groove and cling to the ground, the device is fixed, when the device needs to be moved, the worker reversely operates the servo motor, and therefore the lifting plate drives the multiple groups of connecting rods and the multiple groups of stable seats to enter the groove, and convenience is improved.

Preferably, the pushing handle mechanism comprises circular plates, slots, round holes, connecting plates, threaded holes, bolts and handles, wherein the circular plates are respectively arranged at the front end and the rear end of the bottom plate, the slots are respectively arranged on each circular plate, the round holes are respectively arranged at the outer ends of the two circular plates, the round holes are respectively communicated with the slots, the connecting plates are matched with the slots, the threaded holes are formed in the connecting plates, the bolts are in threaded connection with the slots, and the handles are arranged between the two groups of connecting plates; when need install even board and handle, the staff inserts the slot respectively with two sets of even boards, and screw hole and round hole coincidence simultaneously, later the staff makes the bolt pass the round hole and with screw hole threaded connection to accomplish the fixed of two sets of even boards and handle, when not using, can demolish two sets of even boards, reduce storage space.

Preferably, the novel bicycle handle further comprises a handle sleeve, wherein the handle sleeve is arranged on the handle; the handle is held by a person through the handle sleeve, so that the condition that the handle is taken off is reduced.

Preferably, the screw bolt fixing device further comprises a flat pad, and each group of screw bolts is sleeved with a group of flat pads; when the bolt passes through the round hole and is in threaded connection with the threaded hole, the contact area between the bolt and the outer end of the connecting plate is increased through the flat pad, and the abrasion between the bolt and the outer end of the connecting plate is reduced.

Preferably, the stabilizer further comprises anti-slip cone blocks, and a plurality of groups of anti-slip cone blocks are arranged at the bottom end of the stabilizer seat; the plurality of groups of anti-slip cone blocks are tightly attached to the ground, so that the device is fixed, and the firmness is improved.

Preferably, a non-slip mat is arranged in the arc-shaped notch.

Compared with the prior art, the utility model has the beneficial effects that: the staff makes the bottom plate remove to the assigned position through pushing away the cooperation of mechanism at four sets of universal wheels, and operation fixed establishment extends to from the recess to make fixed establishment and ground paste tightly, thereby make the device fixed, when using, during the staff operation fixed establishment gets into the recess, thereby make the device carry out convenient removal through four sets of universal wheels, improve the convenience, improve fixed and remove fixed convenience.

Drawings

FIG. 1 is a schematic view of a first axial structure of the present utility model;

FIG. 2 is a schematic view of a second axial structure of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of the present utility model;

FIG. 4 is a partially enlarged schematic illustration of the structure of portion A in FIG. 3;

FIG. 5 is a first enlarged schematic view of the securing mechanism;

FIG. 6 is a second enlarged schematic view of the securing mechanism;

the reference numerals in the drawings: 1. a bottom plate; 2. an electro-hydraulic jack; 3. a socket; 4. an arc-shaped notch; 5. a universal wheel; 6. a servo motor; 7. a bracket; 8. a screw rod; 9. a light bar; 10. a lifting plate; 11. a connecting rod; 12. a stabilizing seat; 14. a circular plate; 15. a slot; 16. a round hole; 17. a connecting plate; 18. a threaded hole; 19. a bolt; 20. a handle; 21. a handle sleeve; 22. a flat pad; 23. an anti-slip cone block.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 and 2, the aircraft emergency wheel axle jack comprises a bottom plate 1, an electric hydraulic cylinder jack 2, an electric hydraulic bearing seat 3, an arc notch 4 and universal wheels 5, wherein the electric hydraulic cylinder jack 2 is arranged at the top end of the bottom plate 1, the electric hydraulic bearing seat 3 is rotatably arranged at the top moving end of the electric hydraulic cylinder jack 2 through a bearing, the arc notch 4 is arranged at the top end of the electric hydraulic bearing seat 3, the universal wheels 5 are respectively arranged at four corners of the bottom end of the bottom plate 1, the aircraft emergency wheel axle jack further comprises a fixing mechanism and a pushing handle mechanism, a groove is arranged at the bottom end of the bottom plate 1, the fixing mechanism is arranged in the groove, and the pushing handle mechanism is detachably arranged on the bottom plate 1;

as shown in fig. 2, 5 and 6, the fixed establishment includes servo motor 6, support 7, lead screw 8, feed rod 9, lifter plate 10, connecting rod 11 and stable seat 12, servo motor 6 installs on the recess top, support 7 installs in the recess, the bottom of support 7 flushes with the bottom of bottom plate 1, servo motor 6's output is provided with lead screw 8, the bottom of lead screw 8 passes through the bearing and rotates with the top of support 7 to be connected, be provided with multiunit feed rod 9 on the support 7, the top of the equal connecting groove in top of multiunit feed rod 9, lifter plate 10 and lead screw 8 threaded connection, lifter plate 10 and multiunit feed rod 9 sliding connection, the bottom of lifter plate 10 is provided with multiunit connecting rod 11, the bottom of multiunit connecting rod 11 is provided with stable seat 12 respectively.

In this embodiment, the staff makes bottom plate 1 move to appointed position under the cooperation of four sets of universal wheels 5 through pushing away the handle mechanism, operation fixed establishment extends to from the recess, the staff operates servo motor 6, thereby make lead screw 8 make lifter plate 10 move downwards in the recess under the cooperation of support 7 and multiunit feed rod 9, thereby make multiunit connecting rod 11 drive corresponding stable seat 12 stretch out in the recess and paste tightly with ground respectively, accomplish the fixed of device, when the device is removed, the operation electric hydraulic cylinder jack 2 drives electric hydraulic socket 3 and rises, thereby make arc notch 4 carry out the lifting to the shaft, the staff reverse operation servo motor 6, thereby make lifter plate 10 drive multiunit connecting rod 11 and multiunit stable seat 12 get into the recess can, improve the convenience, when using, the staff operation fixed establishment gets into the recess, thereby make the device carry out convenient removal through four sets of universal wheels 5, improve the convenience, improve fixed and remove fixed convenience.

Examples

as shown in fig. 2, 5 and 6, the fixing mechanism comprises a servo motor 6, a support 7, a screw rod 8, a feed rod 9, a lifting plate 10, a connecting rod 11 and a stabilizing seat 12, wherein the servo motor 6 is arranged at the top end of a groove, the support 7 is arranged in the groove, the bottom end of the support 7 is flush with the bottom end of the bottom plate 1, the output end of the servo motor 6 is provided with the screw rod 8, the bottom end of the screw rod 8 is rotationally connected with the top end of the support 7 through a bearing, a plurality of groups of feed rods 9 are arranged on the support 7, the top ends of the plurality of groups of feed rods 9 are connected with the top ends of the grooves, the lifting plate 10 is in threaded connection with the screw rod 8, the lifting plate 10 is in sliding connection with the plurality of groups of feed rods 9, the bottom end of the lifting plate 10 is provided with a plurality of groups of connecting rods 11, and the bottom ends of the groups of connecting rods 11 are respectively provided with the stabilizing seat 12;

as shown in fig. 1, 3 and 4, the pushing handle mechanism comprises circular plates 14, slots 15, circular holes 16, connecting plates 17, threaded holes 18, bolts 19 and handles 20, wherein the front end and the rear end of the bottom plate 1 are respectively provided with the circular plates 14, each circular plate 14 is respectively provided with the slot 15, the outer ends of the two circular plates 14 are respectively provided with the circular holes 16, the circular holes 16 are respectively communicated with the slots 15, the connecting plates 17 are matched with the slots 15, the connecting plates 17 are provided with the threaded holes 18, the bolts 19 are in threaded connection with the slots 15, and the handles 20 are arranged between the two connecting plates 17;

as shown in fig. 1, 4 and 6, the anti-slip device further comprises a handle sleeve 21, flat pads 22 and anti-slip cone blocks 23, wherein the handle sleeve 21 is arranged on the handle 20, one group of flat pads 22 are sleeved on each group of bolts 19, and a plurality of groups of anti-slip cone blocks 23 are arranged at the bottom end of the stabilizing seat 12.

In this embodiment, the staff inserts two sets of link plates 17 respectively in slot 15, simultaneously screw hole 18 and round hole 16 coincide, afterwards the staff makes bolt 19 pass round hole 16 and with screw hole 18 threaded connection, thereby accomplish the fixed of two sets of link plates 17 and handle 20, the staff makes bottom plate 1 remove to appointed position under the cooperation of four sets of universal wheels 5 through handle 20, the operation fixed establishment extends to from the recess, staff's operation servo motor 6, thereby make lead screw 8 make lifter plate 10 move downwards in the recess under the cooperation of support 7 and multiunit feed beam 9, thereby make multiunit connecting rod 11 drive corresponding stable seat 12 respectively and stretch out in the recess and with ground adherence, accomplish the fixed of device, when the device is removed, operating electric hydraulic cylinder jack 2 drives electric hydraulic socket 3 and rises, thereby make arc notch 4 to the shaft lift, thereby make lifter plate 10 drive multiunit connecting rod 11 and multiunit stable seat 12 get into the recess can, improve convenience, when using, staff's operation fixed establishment gets into the recess, thereby make the device pass through four sets of universal wheels 5 and remove convenience, improve convenience and remove convenience.

The electric hydraulic cylinder jack 2 and the servo motor 6 of the airplane emergency wheel shaft jack are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an emergent shaft jack of aircraft, including bottom plate (1), electric hydraulic cylinder jack (2), electric hydraulic socket (3), arc notch (4) and universal wheel (5), bottom plate (1) top is provided with electric hydraulic cylinder jack (2), the top removal end of electric hydraulic cylinder jack (2) is provided with electric hydraulic socket (3) through the bearing rotation, the top of electric hydraulic socket (3) is provided with arc notch (4), the bottom four corners of bottom plate (1) is provided with universal wheel (5) respectively, a serial communication port, still include fixed establishment and pushing away a mechanism, the bottom of bottom plate (1) is provided with the recess, fixed establishment sets up in the recess, demountable installation pushes away a mechanism on bottom plate (1).

2. The aircraft emergency wheel axle jack according to claim 1, wherein the fixing mechanism comprises a servo motor (6), a support (7), a screw rod (8), a feed rod (9), a lifting plate (10), a connecting rod (11) and a stabilizing seat (12), wherein the servo motor (6) is installed at the top end of the groove, the support (7) is installed in the groove, the bottom end of the support (7) is flush with the bottom end of the bottom plate (1), the screw rod (8) is arranged at the output end of the servo motor (6), the bottom end of the screw rod (8) is rotatably connected with the top end of the support (7) through a bearing, a plurality of groups of feed rods (9) are arranged on the support (7), the top ends of the groups of feed rods (9) are connected with the top ends of the grooves, the lifting plate (10) is in threaded connection with the screw rod (8), the bottom ends of the lifting plate (10) are provided with a plurality of groups of connecting rods (11), and the bottom ends of the groups of the connecting rods (11) are respectively provided with the stabilizing seat (12).

3. The aircraft emergency wheel axle jack according to claim 1, wherein the pushing handle mechanism comprises circular plates (14), slots (15), round holes (16), connecting plates (17), threaded holes (18), bolts (19) and handles (20), the front end and the rear end of the base plate (1) are respectively provided with the circular plates (14), each group of circular plates (14) are respectively provided with the slots (15), the outer ends of the two groups of circular plates (14) are respectively provided with the round holes (16), the round holes (16) are respectively communicated with the slots (15), the connecting plates (17) are matched with the slots (15), the connecting plates (17) are provided with the threaded holes (18), the bolts (19) are in threaded connection with the slots (15), and the handles (20) are arranged between the two groups of connecting plates (17).

4. An aircraft emergency wheel axle jack according to claim 3, further comprising a handle sleeve (21), said handle (20) being provided with a handle sleeve (21).

5. An aircraft emergency wheel axle jack according to claim 3, further comprising flat pads (22), each set of bolts (19) being fitted with a set of flat pads (22).

6. An aircraft emergency wheel axle jack according to claim 2, further comprising anti-slip cone blocks (23), wherein the bottom end of the stabilizing seat (12) is provided with a plurality of sets of anti-slip cone blocks (23).

7. An aircraft emergency wheel axle jack according to claim 1, characterized in that a non-slip mat is provided in the arcuate slot (4).