Shaft sleeve press-fitting device for undercarriage supporting rod production
By designing a bushing pressing device that includes a turntable and a pusher assembly, the problem that traditional devices cannot press two bushings at the same time is solved, and a highly efficient bushing pressing process is achieved.
Patent Information
- Application Number
- CN202520505278.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Traditional bushing press-fitting devices for landing gear strut production cannot simultaneously press-fit two bushings on the same landing gear strut, and the pressing efficiency is low.
Design a device comprising a base, a rotary drive, a turntable, a bushing feeding base, a bushing storage cylinder, a pushing assembly, and a pressing assembly. By utilizing the rotary motion of the turntable and the cooperation of the pushing assembly, automatic feeding and precise pressing of bushings can be achieved.
This allows for the simultaneous and precise pressing of two bushings on the same landing gear strut, improving pressing efficiency.
Smart Images

Figure CN223917196U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to landing gear accessory production technical field especially, relates to a landing gear stay rod production is with axle sleeve press -fitting device. BACKGROUND
[0002] Landing gear is a vital component on an aircraft, and its main functions are reflected in the following aspects: 1) support and landing cushioning: when the aircraft is parked on the ground, the landing gear plays a supporting role for the entire aircraft body, ensuring the stability of the aircraft. During the landing process, it can absorb and disperse the huge impact force when the aircraft lands, protecting the aircraft structure from damage, and also providing a safe landing experience for passengers and crew. This function is mainly achieved through the elasticity of the tires and the absorption capacity of the shock absorbers. 2) taxiing and steering: the landing gear is designed with tires and steering mechanisms, allowing the aircraft to taxi and steer flexibly on the ground, facilitating movement on the airport runway, aligning with the runway for takeoff and landing operations. For aircraft with front wheel steering systems, pilots can control the front wheel steering through the control stick, improving the flexibility and safety of ground operations. 3) retraction function: to reduce flight resistance, most aircraft landing gears are designed to be retractable. Shortly after takeoff and before landing, the landing gear is retracted or lowered according to the needs of the flight phase. Retracting the landing gear can significantly reduce air resistance, improve flight efficiency, and save fuel; while during landing and taxiing, the landing gear must be lowered to ensure safety.
[0003] The traditional landing gear stay rod production axle sleeve press -fitting device has shortcomings when in use, it cannot realize the simultaneous press -fitting of two axle sleeves on the same landing gear stay rod, and cannot realize automatic feeding, with low press -fitting efficiency. Therefore, the traditional landing gear stay rod production axle sleeve press -fitting device needs to be optimized and improved. SUMMARY
[0004] The utility model aims at overcoming the above -mentioned problems existing in the prior art, and provides a landing gear stay rod production axle sleeve press -fitting device.
[0005] To achieve the above technical purposes and effects, the utility model is realized by the following technical scheme:
[0006] A landing gear stay rod production axle sleeve press -fitting device, comprising a base, a rotary drive, a turntable, an axle sleeve feeding base, an axle sleeve storage cylinder, a pushing assembly and a press -fitting assembly, the upper side of the base is provided with a rotary drive, the movable end of the rotary drive is provided with a turntable, the axle sleeve feeding base is arranged above the turntable, the upper end of the axle sleeve feeding base is provided with two axle sleeve storage cylinders side by side, the upper side of the axle sleeve feeding base is provided with a press -fitting assembly;
[0007] The landing gear support rod is composed of a support rod base and two shaft sleeves, the support rod base comprises a support rod base body, both ends of the support rod base body are provided with shaft sleeve mounting holes for mounting the corresponding shaft sleeves, and a positioning groove is symmetrically provided in the support rod base body between the two shaft sleeve mounting holes;
[0008] The upper side of the rotating disc is provided with a plurality of support rod base positioning grooves in the circumferential direction, both ends of the support rod base positioning groove are provided with shaft sleeve avoiding holes, and a positioning protrusion is arranged in the middle of the support rod base positioning groove;
[0009] The inside of the shaft sleeve feeding base is provided with two shaft sleeve sliding grooves side by side, one end of the shaft sleeve sliding groove is provided with a material receiving port communicated with the corresponding shaft sleeve storage cylinder on the upper side, the other end of the shaft sleeve sliding groove is provided with a discharging port on the lower side for the shaft sleeve to fall, and the upper side is provided with a pressing port for facilitating the pressing assembly to press the shaft sleeve into the corresponding shaft sleeve mounting hole.
[0010] Further, in the shaft sleeve pressing device for landing gear support rod production, the rotary driver is powered by a motor, and after the rotation speed is reduced and the torque is increased through the worm gear transmission, the rotary support is driven to realize the rotary motion of the rotating disc.
[0011] Further, in the shaft sleeve pressing device for landing gear support rod production, the specifications of the shaft sleeve avoiding holes in the rotating disc and the corresponding shaft sleeves are matched with each other, and the specifications of the positioning protrusions and the corresponding positioning grooves are matched with each other.
[0012] Further, in the shaft sleeve pressing device for landing gear support rod production, the inside of the shaft sleeve storage cylinder is provided with a cylindrical storage cavity, the upper and lower ends of the cylindrical storage cavity are open, and the opening diameter value is equal to the outer diameter value of the corresponding shaft sleeve.
[0013] Further, in the shaft sleeve pressing device for landing gear support rod production, the height value of the shaft sleeve sliding groove in the shaft sleeve feeding base is matched with the axial thickness value of the corresponding shaft sleeve, and the positions of the two discharging ports in the shaft sleeve feeding base are one-to-one corresponding to the positions of the two shaft sleeve avoiding holes in the rotating disc which are in the pressing station.
[0014] Further, in the shaft sleeve pressing device for landing gear support rod production, the pushing assembly comprises a horizontal pushing rod, a first mounting plate, a horizontal pushing shaft and a pushing head, the movable end of the horizontal pushing rod is provided with two horizontal pushing shafts through the first mounting plate, and the end of the horizontal pushing shaft which extends into the corresponding shaft sleeve sliding groove is provided with a pushing head.
[0015] Further, in the shaft sleeve pressing device for landing gear support rod production, the pressing assembly comprises a vertical pushing rod, a second mounting plate, a vertical pushing shaft and a pressing head, the movable end of the vertical pushing rod is provided with two vertical pushing shafts through the second mounting plate, and the lower end of the vertical pushing shaft is provided with a pressing head matched with the specification of the corresponding shaft sleeve.
[0016] Further, in the axle sleeve press-fitting device for landing gear strut production, the cylinder bodies of the horizontal push rod and the vertical push rod are directly or indirectly fixed with the axle sleeve feeding base.
[0017] The utility model discloses the beneficial effect is:
[0018] The utility model discloses reasonable in structure, it is mainly by base, rotary driver, carousel, axle sleeve feeding base, axle sleeve storage cylinder, push material subassembly and press -fitted component constitute, utilize carousel to carry the strutting base, utilize rotary driver to drive carousel and its on strutting base continuous interval rotation, make strutting base can enter press -fitted station in turn, utilize push material subassembly can fall into axle sleeve storage cylinder axle sleeve in axle sleeve feeding base, slip to press -fitted station from one end to another end, and then utilize press -fitted component and press in strutting base axle sleeve, when push material subassembly resets, axle sleeve in axle sleeve storage cylinder automatic replacement, can realize two axle sleeves on same landing gear strut accurate press -fitted simultaneously through this mode, and the press -fitted efficiency is higher.
[0019] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages above. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.
[0021] Figure 1 It is the structure schematic diagram of the utility model whole;
[0022] Figure 2 It is the structure exploded schematic diagram of the utility model landing gear strut;
[0023] Figure 3 It is the structure schematic diagram of the utility model landing gear strut;
[0024] Figure 4 It is the structure schematic diagram of the utility model rotary driver;
[0025] Figure 5 It is the structure schematic diagram of the utility model carousel;
[0026] Figure 6 It is the structure schematic diagram of the utility model axle sleeve storage cylinder;
[0027] Figure 7 It is the structure schematic diagram of the utility model push material subassembly;
[0028] Figure 8 is the structure schematic diagram of the pressure assembly in the utility model;
[0029] In the drawings, the components represented by each reference numeral are explained as follows:
[0030] 1-base, 2-rotary driver, 3-rotating disc, 301-brace rod seat positioning groove, 302-shaft sleeve avoiding hole, 303-positioning protrusion, 4-shaft sleeve feeding base, 401-shaft sleeve sliding slot, 402-discharging port, 403-pressing port, 5-shaft sleeve storage cylinder, 6-pushing assembly, 601-horizontal push rod, 602-first mounting plate, 603-horizontal push shaft, 604-pushing head, 7-pressing assembly, 701-vertical push rod, 702-second mounting plate, 703-vertical push shaft, 704-pressing head, 8-brace rod seat, 801-brace rod seat body, 802-shaft sleeve mounting hole, 803-positioning groove, 9-shaft sleeve. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0032] As shown in Figures 1-8 The embodiment provides a shaft sleeve pressing device for landing gear brace rod production, which comprises a base 1, a rotary driver 2, a rotating disc 3, a shaft sleeve feeding base 4, a shaft sleeve storage cylinder 5, a pushing assembly 6 and a pressing assembly 7. The rotary driver 2 is installed on the upper side of the base 1, the rotating disc 3 is installed on the movable end of the rotary driver 2, the shaft sleeve feeding base 4 is arranged above the rotating disc 3, two shaft sleeve storage cylinders 5 are installed in parallel on the upper end of the shaft sleeve feeding base 4, and the pressing assembly 7 is installed above the shaft sleeve feeding base 4.
[0033] In the embodiment, the landing gear brace rod is composed of a brace rod seat 8 and two shaft sleeves 9, the brace rod seat 8 comprises a brace rod seat body 801, shaft sleeve mounting holes 802 for mounting corresponding shaft sleeves 9 are formed at both ends of the brace rod seat body 801, and two positioning grooves 803 are symmetrically formed on the upper and lower surfaces of the brace rod seat body 801 between the two shaft sleeve mounting holes 802.
[0034] In the embodiment, the rotary driver 2 is powered by a motor, drives a rotary support after reducing the rotating speed and increasing the torque through a worm gear transmission, so as to realize the rotary motion of the rotating disc 3.
[0035] In the embodiment, a plurality of support rod seat positioning grooves 301 are formed in the upper side of the rotating disc 3 in the circumferential direction, shaft sleeve avoiding holes 302 are formed at both ends of the support rod seat positioning grooves 301, and a positioning protrusion 303 is arranged at the middle part of the support rod seat positioning groove 301. The specifications of the shaft sleeve avoiding holes 302 in the rotating disc 3 and the specifications of the corresponding shaft sleeves 9 are matched with each other, and the specifications of the positioning protrusion 303 and the corresponding positioning groove 803 are matched with each other.
[0036] In the embodiment, two shaft sleeve sliding grooves 401 are arranged side by side in the inside of the shaft sleeve feeding base 4, a feeding port is arranged at one end of the upper side of the shaft sleeve sliding groove 401 and is communicated with the corresponding shaft sleeve storage cylinder 5, a discharging port 402 is arranged at the other end of the lower side of the shaft sleeve sliding groove 401 and is used for the falling of the shaft sleeve 9, a pressing port 403 is arranged at the upper side and is used for the pressing of the shaft sleeve 9 into the corresponding shaft sleeve mounting hole 802 by the pressing assembly 7. The height value of the shaft sleeve sliding groove 401 in the shaft sleeve feeding base 4 and the axial thickness value of the corresponding shaft sleeve 9 are matched with each other, and the positions of the two discharging ports 402 in the shaft sleeve feeding base 4 and the positions of the two shaft sleeve avoiding holes 302 in the rotating disc 3 in the pressing station are one-to-one corresponding.
[0037] In the embodiment, a cylindrical storage cavity is arranged in the inside of the shaft sleeve storage cylinder 5, the upper and lower ends of the cylindrical storage cavity are open, and the open diameter value is equal to the outer diameter value of the corresponding shaft sleeve 9.
[0038] In the embodiment, the pushing assembly 6 includes a horizontal pushing rod 601, a first mounting plate 602, a horizontal pushing shaft 603 and a pushing head 604, two horizontal pushing shafts 603 are mounted on the movable end of the horizontal pushing rod 601 through the first mounting plate 602, and the pushing head 604 is mounted on the end of the horizontal pushing shaft 603 which extends into the corresponding shaft sleeve sliding groove 401.
[0039] In the embodiment, the pressing assembly 7 includes a vertical pushing rod 701, a second mounting plate 702, a vertical pushing shaft 703 and a pressing head 704, two vertical pushing shafts 703 are mounted on the movable end of the vertical pushing rod 701 through the second mounting plate 702, the pressing head 704 which is matched with the specifications of the corresponding shaft sleeve 9 is mounted on the lower end of the vertical pushing shaft 703, and the axis of the pressing head 704 and the axis of the corresponding discharging port 402 are coincided with each other.
[0040] In the embodiment, the cylinder bodies of the horizontal pushing rod 601 and the vertical pushing rod 701 are directly or indirectly fixed with the shaft sleeve feeding base 4.
[0041] One specific application of the embodiment is: the device is mainly composed of a base 1, a rotary driver 2, a rotating disc 3, a shaft sleeve loading base 4, a shaft sleeve storage cylinder 5, a pushing assembly 6 and a pressing assembly 7, the rotating disc 3 is used to carry a support rod base 8, the rotary driver 2 is used to drive the rotating disc 3 and the support rod base 8 thereon to continuously and intervally rotate, so that the support rod base 8 can enter a pressing station in sequence, the pushing assembly 6 can make the shaft sleeve storage cylinder 5 fall into the shaft sleeve 9 in the shaft sleeve loading base 4, and the shaft sleeve 9 can slide from one end to the other end to the pressing station, and then the pressing assembly 7 is used to press the shaft sleeve 9 into the support rod base 9, when the pushing assembly 6 resets, the shaft sleeve 9 in the shaft sleeve storage cylinder 5 is automatically reset, and in this way, two shaft sleeves on the same lifting frame support rod can be simultaneously and accurately pressed, and the pressing efficiency is high.
[0042] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A shaft sleeve press-fitting device for landing gear strut production, characterized by, The utility model provides a kind of axle sleeve loading base, including base, rotary driver, turntable, axle sleeve loading base, axle sleeve storage cylinder, push assembly and press-fit assembly, the upper side of the base is installed with rotary driver, the movable end of the rotary driver is installed with turntable, the upper side of the axle sleeve loading base is installed with press-fit assembly, and the upper end of the axle sleeve loading base is installed with two axle sleeve storage cylinders above the turntable; The landing gear strut is composed of a strut seat and two shaft sleeves, the strut seat includes a strut seat body, shaft sleeve mounting holes are formed at both ends of the strut seat body for mounting the corresponding shaft sleeves, and a positioning groove is symmetrically formed in the strut seat body between the two shaft sleeve mounting holes; A plurality of strut seat positioning grooves are circumferentially formed on the upper side of the turntable, shaft sleeve avoiding holes are formed at both ends of the strut seat positioning grooves, and a positioning protrusion is arranged in the middle of the strut seat positioning grooves. Two shaft sleeve sliding grooves are arranged side by side in the inside of the axle sleeve loading base, a material receiving port is arranged on the upper side of one end of the shaft sleeve sliding groove and is in communication with the corresponding shaft sleeve storage cylinder, a discharging port for the falling of the shaft sleeve is arranged on the lower side of the other end of the shaft sleeve sliding groove, and a press-fit port is arranged on the upper side of the shaft sleeve sliding groove for facilitating the press-fit of the press-fit assembly into the corresponding shaft sleeve mounting hole.
2. The axle sleeve press-fitting device for landing gear strut production according to claim 1, characterized in that, The rotary driver is powered by a motor, and the rotary support is driven to realize the rotary motion of the turntable after the rotation speed is reduced and the torque is increased through the worm gear transmission.
3. The axle sleeve press-fitting device for landing gear strut production according to claim 2, characterized in that, The specifications of the shaft sleeve avoiding holes in the turntable and the corresponding shaft sleeves are matched with each other, and the specifications of the positioning protrusion and the corresponding positioning groove are matched with each other.
4. The axle sleeve press-fitting device for landing gear strut production according to claim 3, characterized in that, A cylindrical storage cavity is arranged in the inside of the shaft sleeve storage cylinder, the upper and lower ends of the cylindrical storage cavity are open, and the open diameter value is equal to the outer diameter value of the corresponding shaft sleeve.
5. The axle sleeve press-fitting device for landing gear strut production according to claim 4, characterized in that, The height value of the shaft sleeve sliding groove in the axle sleeve loading base is matched with the axial thickness value of the corresponding shaft sleeve, and the positions of the two discharging ports in the axle sleeve loading base are one-to-one corresponding to the positions of the two shaft sleeve avoiding holes in the press-fit station of the turntable.
6. The axle sleeve press-fitting device for landing gear strut production according to claim 5, characterized in that, The push assembly includes a horizontal push rod, a first mounting plate, a horizontal push shaft and a push head, the movable end of the horizontal push rod is installed with two horizontal push shafts through the first mounting plate, and the end of the horizontal push shaft that extends into the corresponding shaft sleeve sliding groove is installed with the push head.
7. The axle sleeve press-fitting device for landing gear strut production according to claim 6, characterized in that, The press-fit assembly includes a vertical push rod, a second mounting plate, a vertical push shaft and a press-fit head, the movable end of the vertical push rod is installed with two vertical push shafts through the second mounting plate, and the lower end of the vertical push shaft is installed with the press-fit head matched with the specifications of the corresponding shaft sleeve.
8. The axle sleeve press-fitting device for landing gear strut production according to claim 7, characterized in that, The cylinder bodies of the horizontal push rod and the vertical push rod are directly or indirectly fixed with the axle sleeve loading base.