CN209394593U - A kind of airplane starter gear stand extracting tool - Google Patents

Abstract

The utility model discloses a kind of airplane starter gear stand extracting tools, are related to aerospace field, comprising: pull rod (1)；One end of the pull rod (1) is connect with one end of suspension hook (9), and the other end of the suspension hook (9) is connect with starter gear bracket；The other end for lifting the pull rod (1) dismantles the starter gear bracket from starter.There is no the suitable point of application and supporting point when solving the disassembly of starter gear bracket, it cannot guarantee that good concentricity between equivalent substitution tooling stayed mast and starter gear bracket bearing axial direction, so the problem of disassembly time and effort consuming, can quickly finish the disassembly of the type gear stand.

Description

A kind of airplane starter gear stand extracting tool

Technical field

The utility model relates to aerospace field, specifically a kind of airplane starter gear stand extracting tool.

Background technique

The starter of aircraft engine belongs to pneumatic accessories product, in recent years major airline with aircraft introduction number Amount increases, and the maintenance capacity of starter product is also improving year by year.Shop maintenance staff decomposes to certain model starter When work, maintenance personal dismantles gear stand from exhaust casing component using equivalent substitution tool, needs at least 2-3 people every time Dismantlement work is implemented in cooperation, and time-consuming could dismantle lower tooth wheel support in about 1-2 hours completely, this had both influenced the maintenance of entire attachment Job schedule, and increase the labor intensity of maintenance work personnel；It is by shock when in addition, being dismantled with the tooling of equivalent substitution Power, this is very big to the impact force of attachment, and attachment body is be easy to cause to damage.Due to belonging between gear stand component and shell Interference fit, and there are rubber gasket, easy agings of long duration between its mating surface, therefore required pulling force is larger when disassembly；Together When workshop used in equivalent substitution tooling cannot be matched well with the type starter, when disassembly, does not have the suitable point of application and branch Support point cannot guarantee that good concentricity, institute between equivalent substitution tooling stayed mast and starter gear bracket bearing axial direction To dismantle time and effort consuming.

Summary of the invention

In view of this, the present invention provides a kind of airplane starter gear stand extracting tools, to solve starter tooth Wheel support does not have the suitable point of application and supporting point, equivalent substitution tooling stayed mast and starter gear bracket bearing axis when dismantling It cannot guarantee that good concentricity between, so the type gear branch can be quickly finished the problem of disassembly time and effort consuming The disassembly of frame.

The utility model provides a kind of airplane starter gear stand extracting tool, comprising:

Pull rod；

One end of the pull rod and one end of suspension hook connect, and the other end of the suspension hook is connect with starter gear bracket；

The other end for lifting the pull rod dismantles the starter gear bracket from starter.

Preferably, one end of the pull rod and one end of the suspension hook are connect with excessive connector respectively.

Preferably, the excessive connector is triangular plate；

The triangular plate, comprising: triangle disc main body has triangle center hole, the triangle on the triangle disc main body Outside on disc main body has suspension hook clamping device；

One end of the pull rod is connect by the triangle center hole with the triangular plate；

One end of the suspension hook is connect by the suspension hook clamping device with the triangular plate.

Preferably, the suspension hook clamping device is the convex groove structure in the outside on the triangle disc main body；

There is the cell wall of the convex groove structure suspension hook to connect through-hole；

One end of the suspension hook connects through-hole by the suspension hook and connect with the triangular plate.

Preferably, the number of the convex groove structure is 3, and 3 convex groove structures are evenly distributed on described Outside on triangle disc main body；

The number of the suspension hook is 3, and one end of 3 suspension hooks is connect with 3 convex groove structures respectively.

Preferably, one end of the suspension hook has suspension hook connecting hole, and the other end of the suspension hook is hook formation；

The suspension hook connecting hole is connect with one end of the pull rod；

The hook formation, for being connect with starter gear bracket.

Preferably, one end of the pull rod passes through support frame and connect with one end of the suspension hook；

Support frame as described above is used to support the pull rod.

Preferably, support frame as described above, comprising: disk and bracket；

The bracket is in the downside of the disk, and one end of the pull rod passes through the disk and one end of suspension hook connects.

Preferably, there is positioning mechanism on the downside of the bracket；

The positioning mechanism, for determining starter gear shell position.

Preferably, the positioning mechanism, comprising: first positioning hole and second location hole；

The first positioning hole and second location hole are on the downside of the bracket；

There is the first positioning pin in the first positioning hole；

There is the second positioning pin, second positioning pin can be inserted into the second location hole on the starter gear shell It is interior.

The utility model at least has the following beneficial effects:

The utility model does not have the suitable point of application and supporting point when can solve the disassembly of starter gear bracket, equivalent to replace It cannot guarantee that good concentricity between foundry dress stayed mast and starter gear bracket bearing axial direction, so disassembly time-consuming is taken The problem of power, can quickly finish the disassembly of the type gear stand.

Detailed description of the invention

By the description below with reference to attached drawing to the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage it is apparent, in the accompanying drawings:

Fig. 1 is a kind of main view of airplane starter gear stand extracting tool of the utility model embodiment；

Fig. 2 is a kind of top view of airplane starter gear stand extracting tool of the utility model embodiment；

Fig. 3 is an a kind of left side (right side) view of airplane starter gear stand extracting tool of the utility model embodiment；

Fig. 4 is a kind of triangular plate top view of airplane starter gear stand extracting tool of the utility model embodiment；

Fig. 5 is the revolved sectional view along A-A of the utility model embodiment Fig. 4；

Fig. 6 is a kind of disk top view of airplane starter gear stand extracting tool of the utility model embodiment；

Fig. 7 be a kind of disk of airplane starter gear stand extracting tool of the utility model embodiment along the sectional view of A-A；

Fig. 8 is a kind of bracket cross-sectional view of airplane starter gear stand extracting tool of the utility model embodiment；

Fig. 9 is a kind of Suspension hook structure schematic diagram of airplane starter gear stand extracting tool of the utility model embodiment.

Specific embodiment

The utility model is described below based on embodiment, but it is worth noting that, the utility model is simultaneously unlimited In these embodiments.It is detailed to describe some specific detail sections below in the datail description of the utility model.So And for the part of no detailed description, the utility model can also be understood completely in those skilled in the art.

In addition, it should be understood by one skilled in the art that provided attached drawing is simply to illustrate that the utility model Objects, features and advantages, attached drawing are not to be actually drawn to scale.

Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being " including but not limited to " Meaning.

Fig. 1 is a kind of main view of airplane starter gear stand extracting tool of the utility model embodiment.Fig. 2 is this A kind of top view of airplane starter gear stand extracting tool of utility model embodiment.Fig. 3 is the utility model embodiment one A left side (right side) view of kind airplane starter gear stand extracting tool.In fig. 1-3, a kind of airplane starter gear stand is torn open Unload tool, comprising: pull rod 1；One end of pull rod 1 is connect with one end of suspension hook 9, the other end and starter gear bracket of suspension hook 9 Connection；The other end for lifting pull rod 1, starter gear bracket is dismantled from starter.

In fig. 1-3, one end of pull rod 1 and one end of suspension hook 9 are connect with excessive connector respectively.

In fig. 1-3, excessive connector is triangular plate 7.One end of pull rod 1 passes through support frame and connect with one end of suspension hook 9； Support frame is used to support pull rod 1.

In fig. 1-3, support frame, comprising: disk 2 and bracket 5；Bracket 5 passes through disk 2 in the downside of disk 2, one end of pull rod 1 It is connect with one end of suspension hook 9.

In fig. 1-3, there is positioning mechanism on the downside of bracket 5；Positioning mechanism, for determining starter gear shell position.

Fig. 4 is a kind of triangular plate top view of airplane starter gear stand extracting tool of the utility model embodiment.Fig. 5 It is the revolved sectional view along A-A of the utility model embodiment Fig. 4.In figs. 1-5, triangular plate 7, comprising: triangle disc main body, three There is triangle center hole 4-2, the outside on triangle disc main body has suspension hook clamping device on the disc main body of angle；One end of pull rod 1 It is connect by triangle center hole 4-2 with triangular plate 7；One end of suspension hook 9 is connect by suspension hook clamping device with triangular plate 7.

In figs. 1-5, suspension hook clamping device is the convex groove structure in the outside on triangle disc main body；Convex groove structure Cell wall have suspension hook connect through-hole 4-1；One end of suspension hook 9 connects through-hole 4-1 by suspension hook and connect with triangular plate 7.

In figs. 1-5, the number of convex groove structure is 3, and 3 convex groove structures are evenly distributed on triangle disc main body On outside；The number of suspension hook 9 is 3, and one end of 3 suspension hooks 9 is connect with 3 convex groove structures respectively.

Fig. 6 is a kind of disk top view of airplane starter gear stand extracting tool of the utility model embodiment.Fig. 7 is this A kind of disk of airplane starter gear stand extracting tool of utility model embodiment is along the sectional view of A-A.In Fig. 1-3 and Fig. 6,7 In, disk 2, comprising: disc main body has disc main body slot 5-3 on disc main body, has disc main body through-hole 5- in disc main body slot 5-3 4,3 scallop hole 5-2 and 3 disc main body fixation hole 5-1 are also uniform-distribution on disc main body, 3 brackets 5 pass through 3 respectively First bolt 6 and 3 disc main body fixation hole 5-1 is fixedly connected with disk 2, and pull rod 1 passes through disc main body through-hole 5-4, and gasket 3, which passes through, to be drawn Bar 1 is placed in disc main body slot 5-3, and bearing 4 is installed in the upside of gasket 3, and pull rod 1 also passes through bearing 4.

Specifically, disk 2 is determining the equal counter sink of diameter 3 diameters of circumferentially spaced about 120 degree of settings (that is, disk master Body fixation hole 5-1), and 3 octagon 5-5 are set in the counter sink opposite side (that is, disc main body fixation hole 5-1), for fixed branch Frame 5.3 scallop hole 5-2 are arranged in 2 surface of disk, on the one hand scallop hole 5-2 can mitigate 2 weight of disk, on the other hand can be in order to pacifying Fill process observation.At 2 center of disk, the disc main body slot 5-3 of certain diameter and depth is set, for placing bearing 4；In addition it also sets The through-hole disc main body through-hole 5-4 for setting certain diameter makes pull rod 1 pass through disc main body through-hole 5-4, realizes the company of pull rod 1 and triangular plate 7 Connect cooperation.

In figures 1-7, specifically, pull rod 1 sequentially passes through the triangle center hole of disk 2, gasket 3, bearing 4, triangular plate 7 4-2, pull rod 1 can be threadedly coupled with triangle center hole 4-2.Bearing 4 reduces pull rod 1 and disk 2 is frictional force.Between 3 brackets 5 It is 120 °, 35 support plates 2 of bracket.3 the first bolts 6 are fixed by 3 brackets 5 and disk 2.

Fig. 8 is a kind of bracket cross-sectional view of airplane starter gear stand extracting tool of the utility model embodiment.Scheming In 1-3 and Fig. 8, there is bracket connecting hole 6-1 on the upside of bracket 5, bracket 5 passes through the first bolt 6 and bracket connecting hole 6-1 and disk 2 Connection；There is positioning mechanism on the downside of bracket 5；Positioning mechanism, for determining starter gear shell position.Positioning mechanism, packet It includes: first positioning hole 6-2 and second location hole 6-3；First positioning hole 6-2 and second location hole 6-3 is in 5 downside of bracket；First There is the first positioning pin 11 on location hole 6-2；There is the second positioning pin, the second positioning pin can be inserted into the on starter gear shell In two location hole 6-3.Specifically, each 5 both ends of the surface of bracket are 8 side shapes, the fixing end inside of each bracket 5 and disk 2 is pre- The bracket connecting hole 6-1 of fixed value processed；The first positioning hole 6-2 of two different-diameters is respectively set in each 5 other end of bracket With second location hole 6-3, first positioning hole 6-2 is for installing the first positioning pin 11, and second location hole 6-3 is for cooperating starter The alignment hole of ontology or the second positioning pin, first positioning hole 6-2 and second location hole 6-3 play the role of positioning.

Fig. 9 is a kind of Suspension hook structure schematic diagram of airplane starter gear stand extracting tool of the utility model embodiment. In Fig. 1-3 and Fig. 9, one end of suspension hook 9 has suspension hook connecting hole 7-1, and the other end of suspension hook 9 is hook formation 7-2；Suspension hook connects Hole 7-1 is met to connect with one end of pull rod 1；Hook formation 7-2, for being connect with starter gear bracket.Hook formation 7-2's is interior Side 7-3 and horizontal plane are at 5 degree of angles (toward upwarping).Specifically, suspension hook 9 is connect by the second bolt 8 with triangular plate 7, hook The medial surface 7-3 of shape structure 7-2 is 5 degree angles of inclination upwards, which should not be too large, make as far as possible under loaded-up condition suspension hook and Starter gear bracket keeps face contact, to reduce stress contact.

In Fig. 1-9, be briefly described to the assembly and use process of the utility model: pull rod 1 passes through disk 2, gasket 3, one end of the triangle center hole 4-2 of bearing 4, triangular plate 7, pull rod 1 are threadedly coupled with triangle center hole 4-2, suspension hook 9 One end is connect by suspension hook connecting hole 7-1 with the triangle center hole 4-2 of triangular plate 7, i.e., 3 bolts are (that is, the second spiral shell of Fig. 1 Bolt 8, third bolt and the 4th bolt) it is each passed through the suspension hook connecting hole 7-1 and 3 triangle center hole 4-2 of 3 suspension hooks 9, Then 3 bolts are fixed with nut (that is, the second nut 10, third nut and the 4th nut of Fig. 1)；Bearing 4 reduces pull rod 1 It is frictional force with disk 2, is 120 ° between 3 brackets 5,35 support plates 2 of bracket.3 the first bolts 6 are by 3 brackets 5 and disk 2 It is fixed.The utility model is placed on the upside of starter housing, it is fixed that the second positioning pin on starter gear shell can be inserted into second In the hole 6-3 of position, 3 suspension hooks 9 tangle starter gear bracket.Spanner turns pull rod 1, and pull rod 1 drives on triangular plate 7 and suspension hook 9 It rises, gear stand is dismantled from starter.

Embodiment described above is only to express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that the ordinary skill people of this field For member, without departing from the concept of the premise utility, several deformations, same replacement can also be made, improved etc., these Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of airplane starter gear stand extracting tool characterized by comprising

Pull rod (1)；

One end of the pull rod (1) is connect with one end of suspension hook (9), the other end and starter gear bracket of the suspension hook (9) Connection；

The other end for lifting the pull rod (1) dismantles the starter gear bracket from starter.

2. a kind of airplane starter gear stand extracting tool according to claim 1, it is characterised in that:

One end of the pull rod (1) and one end of the suspension hook (9) are connect with excessive connector respectively.

3. a kind of airplane starter gear stand extracting tool according to claim 2, it is characterised in that:

The excessive connector is triangular plate (7)；

The triangular plate (7), comprising: triangle disc main body has triangle center hole (4-2) on the triangle disc main body, described Outside on triangle disc main body has suspension hook clamping device；

One end of the pull rod (1) is connect by the triangle center hole (4-2) with the triangular plate (7)；

One end of the suspension hook (9) is connect by the suspension hook clamping device with the triangular plate (7).

4. a kind of airplane starter gear stand extracting tool according to claim 3, it is characterised in that:

The suspension hook clamping device is the convex groove structure in the outside on the triangle disc main body；

The cell wall of the convex groove structure has suspension hook connection through-hole (4-1)；

One end of the suspension hook (9) is connect by suspension hook connection through-hole (4-1) with the triangular plate (7).

5. a kind of airplane starter gear stand extracting tool according to claim 4, it is characterised in that:

The number of the convex groove structure is 3, and 3 convex groove structures are evenly distributed on the triangle disc main body Outside；

The number of the suspension hook (9) is 3, and one end of 3 suspension hooks (9) is connect with 3 convex groove structures respectively.

6. any one of -5 a kind of airplane starter gear stand extracting tool according to claim 1, it is characterised in that:

One end of the suspension hook (9) has suspension hook connecting hole (7-1), and the other end of the suspension hook (9) is hook formation (7-2)；

The suspension hook connecting hole (7-1) connect with one end of the pull rod (1)；

The hook formation (7-2), for being connect with starter gear bracket.

7. any one of -5 a kind of airplane starter gear stand extracting tool according to claim 1, it is characterised in that:

One end of the pull rod (1) passes through support frame and connect with one end of the suspension hook (9)；

Support frame as described above is used to support the pull rod (1).

8. a kind of airplane starter gear stand extracting tool according to claim 7, it is characterised in that:

Support frame as described above, comprising: disk (2) and bracket (5)；

For the bracket (5) in the downside of the disk (2), one end of the pull rod (1) passes through the one of the disk (2) and suspension hook (9) End connection.

9. a kind of airplane starter gear stand extracting tool according to claim 8, it is characterised in that:

There is positioning mechanism on the downside of the bracket (5)；

The positioning mechanism, for determining starter gear shell position.

10. a kind of airplane starter gear stand extracting tool according to claim 9, it is characterised in that:

The positioning mechanism, comprising: first positioning hole (6-2) and second location hole (6-3)；

The first positioning hole (6-2) and second location hole (6-3) are on the downside of the bracket (5)；

There are the first positioning pin (11) on the first positioning hole (6-2)；

There is the second positioning pin, second positioning pin can be inserted into the second location hole (6- on the starter gear shell 3) in.