CN218052413U

CN218052413U - 787 type lamp subassembly dismouting puller

Info

Publication number: CN218052413U
Application number: CN202221141929.2U
Authority: CN
Inventors: 张铮; 潘嘉锐; 蒋潇剑; 卢建伟; 陈元喜; 郭少华
Original assignee: Grand China Aviation Maintenance Services Co ltd
Current assignee: Grand China Aviation Maintenance Services Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-12-16
Anticipated expiration: 2032-05-12

Abstract

A mounting and dismounting puller for a 787 type lamp assembly comprises a first clamping arm, a second clamping arm and a limiting ring, wherein the first clamping arm and the second clamping arm are arranged oppositely, and the limiting ring is sleeved on the first clamping arm and the second clamping arm; the first clamping arm and the second clamping arm respectively comprise a clamping plate and a puller fixedly connected to the bottom end of the clamping plate; the cross-section of the puller is trapezoidal, and one end of the puller with the long edge is symmetrically provided with two V-shaped grooves at intervals, so that a protruding prying plate is formed between the two V-shaped grooves on the puller. The top ends of the first clamping arm and the second clamping arm are fixedly connected with a connecting plate. The clamping plate is an elastic plate, and the V-shaped groove is a V-shaped groove with an included angle of ninety degrees. This 787 model banks spare dismouting puller is when using, because the stress point disperses simultaneously on hoop and bracing piece, the lamp pearl is difficult to break away from the lamp stand, and banks spare dismouting in-process is difficult to impairedly.

Description

787 type lamp subassembly dismouting puller

Technical Field

The utility model relates to an aircraft ground maintenance technical field especially relates to a 787 model banks spare dismouting puller.

Background

In the routine maintenance work of an airplane repair base, a 787 model lamp assembly is frequently required to be disassembled and assembled, wherein landing lamps, taxi lamps, turn lamps and navigation emblem lamps are more disassembled and replaced. 787 six landing lights of the airplane type are respectively arranged on the root of the large wing and the nose landing gear, two runway turning lights are distributed on the root of the large wing, two glide lights are distributed on the nose landing gear, and two aviation emblem lights are arranged on the horizontal stabilizer. As shown in fig. 1, the 787-type lamp assembly includes a lamp socket 100, a clamp spring 101 is disposed on a circumferential wall of the lamp socket 100 for clamping the lamp socket 100, and a lamp bead support is disposed at an end of the lamp socket 100 for mounting a lamp bead 103. The lamp bead support comprises a hoop 104 and a plurality of support rods 105 for connecting the hoop 104 to the lamp holder 100, wherein the two ends of the hoop 104 are provided with symmetrical protrusions, and the support rods 105 are uniformly distributed along the circumferential direction of the hoop 104. When the lamp assembly needs to be detached in the maintenance work of an airplane, the whole lamp assembly needs to be pulled out with force along the axial direction of the lamp assembly, but the clamp spring 101 is clamped tightly, and the lamp assembly can only be operated in a limited space of a lampshade, so that the lamp assembly is difficult to pull out with hands in actual operation, for example, the clamp arms are used for clamping the protruding parts at the two ends of the clamp ring 104 and pulling out with force outwards, the lamp bead 103 is easy to be separated from the lamp holder 100 abnormally, the lamp assembly is easy to be damaged, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 787 model banks spare dismouting puller to overcome the shortcoming in the above-mentioned background art and not enough.

In order to achieve the purpose, the scheme is realized through the following technical scheme:

a mounting and dismounting puller for a 787 type lamp assembly comprises a first clamping arm, a second clamping arm and a limiting ring, wherein the first clamping arm and the second clamping arm are arranged oppositely, and the limiting ring is sleeved on the first clamping arm and the second clamping arm; the first clamping arm and the second clamping arm respectively comprise a clamping plate and a puller fixedly connected to the bottom end of the clamping plate; the cross-section of the puller is trapezoidal, and one end of the puller with the long edge is symmetrically provided with two V-shaped grooves at intervals, so that a protruding prying plate is formed between the two V-shaped grooves on the puller.

Furthermore, the top ends of the first clamping arm and the second clamping arm are fixedly connected with a connecting plate.

Preferably, the puller is folded back inwardly of the splint so that the splint is at a ninety degree angle to the puller.

Further, the clamping plate is an elastic plate.

Furthermore, one end of the pulling handle with the short edge is fixedly connected with the bottom end of the clamping plate.

Preferably, the V-shaped groove is a ninety-degree included angle V-shaped groove.

Preferably, the splint is made from a stainless steel plate having a thickness of 0.080 inches.

Preferably, the limiting ring is a square ring with smooth four corners.

Preferably, the connecting plate is a centering plate with smooth four corners.

Compared with the prior art, the beneficial effects of the utility model are that:

1) This 787 model banks spare dismouting puller is when using, because the stress point disperses simultaneously on hoop and bracing piece, the lamp pearl is difficult to break away from the lamp stand, and banks spare dismouting in-process is difficult to impairedly.

2) The 787 model lamp assembly dismounting puller is simple in structure, convenient and labor-saving to operate, high in efficiency and capable of effectively reducing the maintenance cost of the lamp assembly.

In order to make the present invention more clearly understood, preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a lamp assembly of the 787 model of the prior art;

FIG. 2 is a reference diagram of the present invention in use;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a side view schematic structural diagram of the present invention;

fig. 5 is a schematic bottom view of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.

Referring to fig. 2 to 5, a mounting and dismounting puller for a 787 model lamp assembly includes a first clamping arm 1 and a second clamping arm 2 disposed oppositely, and a limiting ring 3 sleeved on the first clamping arm 1 and the second clamping arm 2, wherein a connecting plate 4 is fixedly connected to the top ends of the first clamping arm 1 and the second clamping arm 2. Preferably, in this embodiment, the connecting plate 4 is a centering plate with smooth four corners; the limiting ring 3 is a square ring with smooth four corners.

Furthermore, the first clamping arm 1 and the second clamping arm 2 have the same structure, and both comprise a clamping plate 11 and a pulling handle 12 fixedly connected to the bottom end of the clamping plate 11, and the pulling handle 12 is folded back towards the inner side of the clamping plate 11, so that the clamping plate 11 and the pulling handle 12 form an included angle. Preferably, in this embodiment, the splint 11 forms an included angle of ninety degrees with the plucker 12.

Further, splint 11 is the elastic plate, and splint 11 of first arm lock 1 and splint 11 of second arm lock 2 open to the outside respectively for the bottom of this dismouting puller becomes the loudspeaker shape and opens. Preferably, in this embodiment, the clamping plate 11 is made of stainless steel plate with a thickness of 0.080 inch and a size of 15-5PH to ensure the strength and elasticity of the clamping arms.

Further, the cross-section of the puller 12 becomes trapezoidal setting for this puller 12 has a minor face, a long limit and two hypotenuses, and the one end fixed connection that has a minor face of the puller 12 splint 11 bottom, the one end that has a long limit of the puller 12 is served the interval symmetry and is provided with two V type grooves 13, makes to lie in on the puller 12 and forms a prominent crow plate 14 between two V type grooves 13. Preferably, in this embodiment, the V-shaped groove 13 is a ninety degree included angle V-shaped groove 13.

Referring to fig. 2, when the 787 model lamp assembly is used for disassembling and assembling the puller in an actual working condition, the disassembling and assembling puller is sleeved outside a lamp bead 103, the clamping plate 11 of the first clamping arm 1 and the clamping plate 11 of the second clamping arm 2 are forcibly held, so that the prying plates 14 on the two pulling hands 12 are respectively clamped below the bottom surfaces of the convex parts of the hoop rings 104, the four V-shaped grooves 13 on the two pulling hands 12 are respectively clamped inside the four supporting rods 105, then the limiting ring 3 is slid downwards, the flared clamping plate 11 is contracted inwards, the pulling hands 12 are fastened on a lamp bead support, and finally the lamp assembly can be pulled out from the lamp shade by exerting force. Because the stress points are dispersed on the hoop 104 and the supporting rod 105 at the same time, the lamp bead 103 is not easy to be separated from the lamp holder 100.

Compared with the prior art, the beneficial effects of the utility model are that: this 787 model banks spare dismouting puller is when using, because the stress point disperses simultaneously on shroud 104 and bracing piece 105, lamp pearl 103 is difficult to break away from lamp stand 100, is difficult to impaired in the banks spare dismouting in-process. Meanwhile, the dismounting puller for the 787 type lamp assembly is simple in structure, convenient and labor-saving to operate, high in efficiency and capable of effectively reducing the maintenance cost of the lamp assembly.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a 787 model banks spare dismouting puller which characterized in that: the clamping device comprises a first clamping arm, a second clamping arm and a limiting ring, wherein the first clamping arm and the second clamping arm are oppositely arranged, and the limiting ring is sleeved on the first clamping arm and the second clamping arm; the first clamping arm and the second clamping arm respectively comprise a clamping plate and a puller fixedly connected to the bottom end of the clamping plate; the section of the puller is trapezoidal, and two V-shaped grooves are symmetrically arranged at intervals at one end of the puller with the long edge, so that a protruding prying plate is formed between the two V-shaped grooves on the puller.

2. A 787 model lamp assembly disassembly and assembly puller as claimed in claim 1, wherein: the top ends of the first clamping arm and the second clamping arm are fixedly connected with a connecting plate.

3. A 787 model lamp assembly disassembly and assembly puller as claimed in claim 1, wherein: the puller is folded back inward of the splint so that the splint is at a ninety degree angle to the puller.

4. A 787 model lamp assembly disassembly and assembly puller as claimed in claim 1, wherein: the clamping plate is an elastic plate.

5. A 787 model lamp assembly disassembly and assembly puller as claimed in claim 1, wherein: one end of the puller with the short edge is fixedly connected with the bottom end of the clamping plate.

6. A mounting and dismounting puller for a 787 type lamp assembly according to claim 1, wherein: the V-shaped groove is a V-shaped groove with an included angle of ninety degrees.

7. A 787 model lamp assembly disassembly and assembly puller as claimed in claim 1, wherein: the splint was made from a 0.080 inch thick stainless steel plate.

8. A mounting and dismounting puller for a 787 type lamp assembly according to claim 1, wherein: the limiting ring is a square ring with smooth four corners.

9. A mounting and dismounting puller for a 787 type lamp assembly according to claim 2, wherein: the connecting plate is a centering plate with smooth four corners.