CN217801454U

CN217801454U - Cartridge receiver installation switching device

Info

Publication number: CN217801454U
Application number: CN202221955165.0U
Authority: CN
Inventors: 王向辉; 蒋平; 何鸣
Original assignee: AECC Commercial Aircraft Engine Co Ltd
Current assignee: AECC Commercial Aircraft Engine Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-15
Anticipated expiration: 2032-07-27

Abstract

The utility model provides a machine casket installation switching device for install the machine casket, it includes: the fixing components are arranged at the top ends of the corresponding upright posts; one end part of the adapter rod is provided with a first connecting part which is rotationally connected with the corresponding fixed component; a second connecting part is arranged at the other end of the adapter rod and is rotatably connected with one side of the corresponding fixed flange; the outer wall surface of the casing is provided with a plurality of mounting holes, and the other side of the fixed flange is provided with a plurality of mounting pieces which are connected with the corresponding mounting holes through the mounting pieces. The utility model discloses can be at the installation of machine casket, dismantle and deposit the in-process, it is portable to connect, the installation is adjusted the clearance big, assembly stress is little and the reliability is high.

Description

Cartridge receiver installation switching device

Technical Field

The utility model relates to an aeroengine installation frock field, in particular to casket installation switching device.

Background

In the field of aircraft engines, during the assembly process of the engines, the engine casing piece is usually designed with a flange plate which is fixed by holes on the mounting edge of the casing. The mounting and connecting mode needs to disassemble the bolt on the mounting edge of the casing, the dismounting process is complicated, the mounting and adjusting clearance is small, the assembly stress is large, and the reliability is low.

Fig. 1 is a schematic view of a mounting structure of a casing in the prior art. As shown in fig. 1, the mounting device for the casing member includes a casing mounting tool 10 and a mounting flange 20, wherein the mounting flange 20 is mounted on the casing mounting tool 10, and the mounting flange 20 is connected through a hole on a casing mounting edge 31 of a casing 30.

When the aero-engine casing is installed, the casing is usually fixed by the installation edge of the casing, and the fixing process is complex and the reliability is low.

In view of the above, the present inventors have devised a casing mounting adapter device to overcome the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the dismouting process for overcoming cartridge receiver installation switching structure among the prior art is loaded down with trivial details, and the installation regulation clearance is little, and assembly stress is big, and reliability low grade defect provides a cartridge receiver installation switching device.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

a cartridge mounting and adapting device for mounting a cartridge, the cartridge mounting and adapting device comprising:

the fixing components are arranged at the top ends of the corresponding upright columns;

one end of each of the switching rods is provided with a first connecting part which is rotatably connected with the corresponding fixing component;

the other end of the adapter rod is provided with a second connecting part which is rotatably connected with one side of the corresponding fixed flange;

the outer wall surface of the casing is provided with a plurality of mounting holes, the other side of the fixed flange is provided with a plurality of mounting pieces, and the mounting pieces are connected with the corresponding mounting holes.

According to the utility model discloses an embodiment, fixed subassembly includes buckle and base, the buckle with the lock is connected about the base, forms a hollow cavity, the bottom plate of base with stand fixed connection, first connecting portion are installed in the cavity.

According to the utility model discloses an embodiment, first connecting portion are the concave piece of polygon, concave piece is provided with the round draw-in groove, concave piece with the mutual matching of cavity.

According to the utility model discloses an embodiment, the draw-in groove includes first draw-in groove and the second draw-in groove of mutual disposition, be provided with first boss in the buckle, be provided with the second boss in the base, first draw-in groove with first boss built-up connection, the second draw-in groove with second boss built-up connection.

According to the utility model discloses an embodiment, first draw-in groove with the second draw-in groove satisfies following relation:

m11＜m1≤1.5×m11；m13＜m12≤1.5×m13；

L1＜L2＜1.5×L1；h2＜h1＜h2+5mm；

wherein h1 and L1 are respectively the height and width of the first card slot; h2 and L2 are respectively the height and width of the second card slot;

m11 is the width of the bottom of the first card slot; m13 is the distance from the first card slot to the outer edge of the first connecting part; m1 is the width of the bottom of the second card slot; m12 is a distance from the second card slot to an outer edge of the first connecting portion.

According to the utility model discloses an embodiment, the buckle with first draw-in groove satisfies following relation:

h4＜h1≤1.5×h4；L4＜L1≤1.5×L4；

wherein h4 and L4 are respectively the height and width of the first boss in the pinch plate; h1 and L1 are the height and width of the first card slot, respectively.

According to the utility model discloses an embodiment, the base with the second draw-in groove satisfies following relation:

h3 is more than h2 and less than or equal to 1.5 Xh 3; l3 is more than L2 and less than or equal to 1.5 multiplied by L3, and L3 is more than L1;

m1＜m3＜m1+6mm；a2＜a3＜a2+5°；

wherein h3 and L3 are respectively the height and width of the second boss in the base; h2 and L2 are respectively the height and width of the second card slot;

m1 is the width of the bottom of the second clamping groove; m3 is the gap distance of the top of the second boss; a2 is an included angle of an inclined plane at the bottom of the second clamping groove; and a3 is an included angle of the bottom inclined plane of the second boss.

According to an embodiment of the invention, the second connecting portion is a joint bearing.

According to the utility model discloses an embodiment, mounting flange with joint bearing is interference fit, the diameter of adapter rod with joint bearing is interference fit.

According to the utility model discloses an embodiment, the base of base with link together through bolt and nut between the stand.

The utility model discloses an actively advance the effect and lie in:

the utility model discloses machine casket installation switching device can be at the installation of machine casket, dismantle and deposit the in-process, connect portablely, the installation is adjusted the clearance big, assembly stress is little and the reliability is high.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings and embodiments, in which like reference characters refer to like features throughout, and in which:

fig. 1 is a schematic view of a mounting structure of a casing in the prior art.

Fig. 2 is a perspective view of the casing mounting and transferring device of the present invention.

Fig. 3 is a top view of the cartridge receiver mounting and transferring apparatus of the present invention.

Fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.

Fig. 5 is a perspective view of the casing mounting and switching device of the present invention.

Fig. 6 is a side view of the casing installation and conversion device of the present invention.

Fig. 7 is a cross-sectional view taken along line B-B in fig. 6.

Fig. 8 is a cross-sectional view taken along line C-C of fig. 6.

Fig. 9 is a perspective view of a fixing flange of the casing mounting adapter of the present invention.

Fig. 10 is a front view of a fixing flange of the cartridge mounting adapter of the present invention.

Fig. 11 is a perspective view of the joint bearing of the casing mounting adapter of the present invention.

Fig. 12 is an axial sectional view of the joint bearing of the cartridge mounting adapter of the present invention.

Fig. 13 is a perspective view of a connecting rod of the casing mounting and connecting device of the present invention.

Fig. 14 is a front view of the transfer rod of the cartridge mounting adapter of the present invention.

Fig. 15 is a schematic view of a transfer rod of the cartridge mounting and transferring apparatus of the present invention.

Fig. 16 is a cross-sectional view taken along line D-D of fig. 14.

Fig. 17 is a perspective view of a buckle plate of the casing mounting adapter of the present invention.

Fig. 18 is a front view of a middle buckle plate of the casing mounting adapter of the present invention.

Fig. 19 is a side view of the middle buckle plate of the casing mounting adapter of the present invention.

Fig. 20 is a top view of a buckle plate of the cartridge receiver mounting and adapting device of the present invention.

Fig. 21 is a perspective view of a base in the casing mounting and rotating device of the present invention.

Fig. 22 is a front view of a base in the casing mounting and rotating device of the present invention.

Fig. 23 is a top view of a base in the casing mounting and rotating device of the present invention.

Fig. 24 is a side view of a base in the casing mounting conversion apparatus of the present invention.

Fig. 25 is a perspective view of the center pillar of the casing mounting and transferring device of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.

Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.

As shown in fig. 2 to 25, the utility model discloses a cartridge receiver installation switching device for install the cartridge receiver, it includes: the plurality of upright posts 100, the plurality of fixing assemblies 200, the plurality of adapter rods 300 and the plurality of fixing flanges 400 ensure that the installation and connection of the casing are reliable. The fixing members 200 are mounted on the top ends of the corresponding columns 100, and one end of the adapter rod 300 is provided with a first connection portion 310, so that the first connection portion 310 is rotatably connected to the corresponding fixing member 200. The other end of the adapting rod 300 is provided with a second connecting portion 320, and the second connecting portion 320 is rotatably connected with one side of the corresponding fixing flange 400. A plurality of mounting holes 510 are formed on an outer wall surface of the casing 500, and a plurality of mounting members 410 are provided on the other side of the fixing flange 400 and connected to the corresponding mounting holes 510 through the mounting members 410.

Here, the mounting holes 510 are preferably screw holes provided at four places of the casing 500.

Preferably, the fixing assembly 200 includes a clip plate 210 and a base 220, the clip plate 210 and the base 220 are vertically fastened to form a hollow cavity, a bottom plate 222 of the base 220 is fixedly connected to the pillar 100, and the first connecting portion 310 is installed in the cavity.

Further preferably, the first connection portion 310 is a polygonal concave block, such as a hexagonal concave block, and the concave block is provided with a ring of clamping grooves, and the concave block and the cavity are matched with each other. For example, the card slot preferably includes a first card slot 311 and a second card slot 312 arranged oppositely. Be provided with first boss 211 in buckle 210, be provided with second boss 221 in the base 220, first draw-in groove 311 and first boss 211 built-up connection, second draw-in groove 312 and second boss 221 built-up connection for the installation clearance is big, the installation is convenient reliable, spacing suitable.

The combined structure of the concave block and the second boss 221 also enables the installation process to have a guiding function, and the installation is more convenient.

More preferably, the first card slot 311 and the second card slot 312 satisfy the following relationship:

m11＜m1≤1.5×m11；m13＜m12≤1.5×m13；

L1＜L2＜1.5×L1；h2＜h1＜h2+5mm；

wherein h1 and L1 are the height and width of the first card slot 311, respectively; h2 and L2 are the height and width, respectively, of second card slot 312. Here, the first card slot 311 is deep and the second card slot 312 is shallow.

m11 is the width of the bottom of the first card slot; m13 is the distance from the first card slot to the outer edge of the first connecting part; m1 is the width of the bottom of the second clamping groove; m12 is a distance from the second card slot to an outer edge of the first connection portion.

Here, the installation clearance is big for the guarantee, and the connection is reliable. The clamping groove located below is required to be mainly used for bearing, the clearance of a matching area is large, and the matching area is shallow. The clamping groove located above is mainly used for limiting, the clearance of a matching area is small, and the matching area is deep.

The card slot should possess:

1. the first card slot 311 is located above, and when being matched with the first boss 211, the first card slot has a deep matching area and less gaps;

2. the second engaging groove 312 is located below, and when being engaged with the second boss 221, it has a shallow engaging area and a large gap;

3. as shown in fig. 15, the area indicated by the angles L1, L2, and a1 is an isosceles trapezoid cross section with a small upper side and a large lower side. This area cooperates with the second boss 221 and has a function of installation guiding and positioning.

Here, as shown in fig. 15 and 16, m1 and m11; the size constraints of m12 and m13 are to define the angle a1 information in the a-direction view (fig. 15) in fig. 16, and specifically include the following:

1. as shown in fig. 16, the dimension information in the height direction of fig. 16 can be obtained by the dimension information of m1, m11, m12, and m13 and the angle calculation of a 2.

2. In conjunction with the dimensions of L1 and L2 in fig. 15, the dimensional information of the angle a1 can be calculated. Here, a1 represents a side angle of the connecting rod, and the constraint dimension L2 is greater than L1, so as to form a guiding function in the installation process of the second boss 221 and the second engaging groove 312.

3. Passing through m1 and m11; and the angle range of a1 can be calculated by the size constraints of m12 and m 13.

4. The areas L1, L2, and a1 in fig. 15 have a cross section of an isosceles trapezoid with a small upper part and a large lower part. The area is matched with the second boss 221, and has the function of installation guiding and positioning.

In addition, the buckle 210 and the first slot 311 satisfy the following relationship:

h4 is more than h1 and less than or equal to 1.5 multiplied by h4; l4 is more than L1 and less than or equal to 1.5 multiplied by L4; here, the size is restricted, and in order to ensure that the first card slot 311 and the first boss 211 are convenient to install and are in clearance fit.

Wherein h4 and L4 are the height and width of the first boss 211 in the gusset plate 210, respectively; h1 and L1 are the height and width of the first card slot 311, respectively.

The base 220 and the second card slot 312 satisfy the following relationship:

h3 is more than h2 and less than or equal to 1.5 Xh 3; this dimensional constraint places the primary force-bearing area on the bottom surface of the connector rod 300, rather than relying on the slot (221) to bear the force of gravity.

L3 is more than L2 and less than or equal to 1.5 xL 3, and L3 is more than L1; this size constraint for when connecting rod 300 and second draw-in groove 312 cooperate, it is convenient to install, clearance fit, and not the jamming.

m1 is more than m3 and more than m1+6mm; a2 is more than a3 and less than a2+5 degrees; wherein h3 and L3 are the height and width of the second boss 221 in the base 220, respectively; h2 and L2 are the height and width, respectively, of second card slot 312.

m1 is the width of the bottom of the second clamping groove; m3 is the gap distance of the top of the second boss; a2 is an included angle of the bottom inclined plane of the second clamping groove; and a3 is an included angle of the bottom inclined plane of the second boss.

The angle size conditions of a3 and a2 enable the first protrusion 221 and the second slot 312 of the base to be smoothly matched without an excessively large gap.

The dimension of m3 and m1 is constrained, so that the first boss 221 and the second slot 312 of the base can be smoothly matched, and the gap is not too large.

For example: and if m3 is less than m1, the installation is unsuccessful.

Further, the second connection portion 320 is preferably a joint bearing. The fixing flange 400 and the knuckle bearing are in interference fit, and the diameter d4 of the adapter rod 300 and the knuckle bearing are in interference fit. Through the connection structure of the knuckle bearing and the adapter rod 300, the installation process of the casing has adjustment margin.

In addition, the bottom plate 222 of the base 220 and the upright 100 are connected together by a bolt 222 and a nut 223.

According to the above structure description, the installation and operation process of the cartridge receiver installation switching device of the present invention is as follows:

1. the fixing flange 400 and the adapter rod 300 are connected together by a knuckle bearing, which requires the following requirements:

a) The diameter d5 of the fixing flange 400 is in interference fit with the outer diameter d7 of the joint bearing, so that the operation is reliable;

b) The diameter d4 of the adapter rod 300 is in interference fit with the inner diameter d6 of the joint bearing, so that the operation is reliable.

2. The pinch plate 210 and the base 220 are connected by two bolts 222 and two nuts 223.

3. The adapter rod 300 is provided with a circle of clamping grooves, wherein the first clamping groove 311 has a height h1 and a width L1, the second clamping groove 312 has a height h2 and a width L2, and the cross section of the clamping groove is provided with a hexagonal concave block (wherein the bottom angle is a 2). Wherein the size information of the concave block satisfies the following:

m11＜m1≤1.5×m11；m13＜m12≤1.5×m13；

L1＜L2＜1.5×L1；h2＜h1＜h2+5mm。

4. when the adapter rod 300 is connected in a load-bearing manner, it is located between the pinch plate 210 and the base 220. The buckle plate 210 has a first boss 211 with a height h4 and a width L4, and is clamped on a first clamping groove 311 (with a height h1 and a width L1) of the adapter lever 300.

The fit size requirement is as follows: h4 is more than h1 and less than or equal to 1.5 multiplied by h4; l4 is more than L1 and less than or equal to 1.5 multiplied by L4;

the base 220 has a second boss 221 with a height h3 and a width L3, and is clamped in a second clamping groove 312 (with a height h2 and a width L2) of the adapter lever 300.

The fit size requirement is as follows: h3 is more than h2 and less than or equal to 1.5 multiplied by h3; l3 is more than L2 and less than or equal to 1.5 multiplied by L3;

m1＜m3＜m1+6mm；a2＜a3＜a2+5°

5. the base 220 and the mast 100 are connected by four bolts 222 and four nuts 223.

6. The installation and operation process is as follows:

1) The fixing flange 400 and the adapting rod 300 are connected together by a joint bearing.

2) The base 220 and the mast 100 are coupled together by bolts 222 and nuts 223.

3) The receiver 500 moves by a lifting means (e.g., a strap, a hanger), etc., the adaptor rod 300 is mounted to the base 200,

the adaptor 300 may be axially rotated or adjusted during installation due to the spherical plain bearing.

4) The pinch plate 210 is mounted on the base 220 to clamp the adapter rod 300.

In addition, in order to ensure the stable and reliable installation of the casing, the installation structure can be not limited to two, and can be provided with three or four installation structures, which are all within the protection scope of the application.

To sum up, the utility model discloses machine casket installation switching device can be at the installation of machine casket, dismantle and deposit the in-process, connects portablely, the installation regulation clearance is big, assembly stress is little and the reliability is high.

Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. A cartridge mounting adapter for mounting a cartridge, the cartridge mounting adapter comprising:

the outer wall surface of the casing is provided with a plurality of mounting holes, and the other side of the fixed flange is provided with a plurality of mounting pieces which are connected with the corresponding mounting holes through the mounting pieces.

2. The mounting adapter of claim 1, wherein the fixing member comprises a buckle plate and a base, the buckle plate and the base are vertically fastened to form a hollow cavity, a bottom plate of the base is fixedly connected to the upright, and the first connecting portion is mounted in the cavity.

3. A casing mounting adapter according to claim 2, wherein said first connecting portion is a polygonal recess provided with a ring of slots, said recess mating with said cavity.

4. A casing mounting adapter according to claim 3, wherein said locking slot comprises a first locking slot and a second locking slot arranged oppositely, a first boss is provided in said buckle plate, a second boss is provided in said base, said first locking slot is connected with said first boss in combination, and said second locking slot is connected with said second boss in combination.

5. A cartridge mounting adapter according to claim 4, wherein said first and second card slots satisfy the following relationship:

m11＜m1≤1.5×m11；m13＜m12≤1.5×m13；

L1＜L2＜1.5×L1；h2＜h1＜h2+5mm；

wherein h1 and L1 are respectively the height and width of the first card slot; h2 and L2 are respectively the height and the width of the second clamping groove;

m11 is the width of the bottom of the first card slot; m13 is the distance from the first card slot to the outer edge of the first connecting part; m1 is the width of the bottom of the second clamping groove; m12 is a distance from the second card slot to an outer edge of the first connecting portion.

6. The receiver mounting adapter of claim 4, wherein said clip plate and said first slot satisfy the following relationship:

h4＜h1≤1.5×h4；L4＜L1≤1.5×L4；

wherein h4 and L4 are respectively the height and width of the first boss in the pinch plate; h1 and L1 are the height and width of the first card slot respectively.

7. The receiver mounting adapter of claim 4, wherein the base and the second card slot satisfy the following relationship:

m1＜m3＜m1+6mm；a2＜a3＜a2+5°；

m1 is the width of the bottom of the second card slot; m3 is the gap distance of the top of the second boss; a2 is an included angle of the bottom inclined plane of the second clamping groove; and a3 is an included angle of the bottom inclined plane of the second boss.

8. A casing mounting adapter according to claim 4, wherein said second connecting portion is a spherical plain bearing.

9. A casing mounting adapter according to claim 8, wherein said mounting flange is an interference fit with said spherical plain bearing and said adapter rod is an interference fit with said spherical plain bearing.

10. A casing mounting adapter according to claim 2, wherein the base of the base and the upright are connected together by bolts and nuts.