CN113998131A

CN113998131A - Universal hanging rack for helicopter ventral

Info

Publication number: CN113998131A
Application number: CN202111427837.0A
Authority: CN
Inventors: 潘永福; 姜天增; 田尧旭; 梁伟; 王晖; 黄大玮
Original assignee: Changhe Aircraft Industries Group Co Ltd
Current assignee: Changhe Aircraft Industries Group Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-02-01
Anticipated expiration: 2041-11-26
Also published as: CN113998131B

Abstract

The invention provides a general hanging rack for a helicopter belly, which comprises: a front beam for mounting on a helicopter belly; the mounting plate is connected with the front beam and is used for being mounted on a front bracket of a helicopter fuel tank; the adapter is connected with the mounting plate and used for mounting helicopter task equipment; the invention provides a universal hanging rack for a helicopter belly, which can be suitable for helicopters with different numbers of racks, can quickly replace equipment according to different flight tasks, improves the assembly and disassembly efficiency of the equipment, reduces the cost of an equipment installation structure, and improves the use efficiency of the helicopter and the belly hanging rack.

Description

Universal hanging rack for helicopter ventral

Technical Field

The invention belongs to the technical field of helicopter hangers, and particularly relates to a universal hanger for a helicopter belly.

Background

With the expansion of the application field of the helicopter, the equipment installed on the helicopter needs to be changed correspondingly according to different tasks. If every task equipment all designs one set of mounting structure, can cause and make research and development cost increase, consequently must design a general type equipment stores pylon of a section, when changing different equipment, only need replace a small amount of parts, reduce research and development manufacturing cost, improve maintainability and commonality.

Disclosure of Invention

In view of the above technical problem, the present invention provides a universal hanger for a helicopter belly, comprising:

a front beam for mounting on a helicopter belly;

the mounting plate is connected with the front beam and is used for being mounted on a front bracket of a helicopter fuel tank;

and the adaptor is connected with the mounting plate and used for mounting helicopter task equipment.

Preferably, the front beam and the mounting plate form a T-shaped hanger.

Preferably, the front beam is connected with the mounting plate through a bolt; wherein, the mounting panel is trapezoidal shape, the mounting panel includes that aluminum alloy machine adds the frame.

Preferably, the adapter is arranged at the bottom of the mounting plate and connected with the mounting plate through a bolt.

Preferably, the adaptor is in an X shape, wherein the attaching member is further provided with a through hole for mounting the helicopter mission equipment.

Preferably, the helicopter mission apparatus includes: aerial camera, photoelectric pod, search light and air horn.

Preferably, the hanger further comprises:

the front joint is U-shaped and is connected with a connecting piece on the belly of the helicopter;

the long bolt penetrates through the bottom of the front joint;

and the tooth-shaped block is arranged at the end part of the front beam and can be connected with the long bolt.

Preferably, the front beam end has a mounting hole for mounting the rack block.

The invention has the technical effects that:

the invention provides a universal hanging rack for a helicopter belly, which can be suitable for helicopters with different numbers of racks, can quickly replace equipment according to different flight tasks, improves the assembly and disassembly efficiency of the equipment, reduces the cost of an equipment installation structure, and improves the use efficiency of the helicopter and the belly hanging rack.

Drawings

Fig. 1 is a schematic structural view of a hanger according to a first embodiment of the present application;

fig. 2 is a front view of a hanger provided in an embodiment of the present application;

FIG. 3 is a side view of a hanger provided by an embodiment of the present application;

FIG. 4 is a schematic view of a front connector installation provided by an embodiment of the present application;

FIG. 5 is a schematic view of a rear joint installation provided by an embodiment of the present application;

fig. 6 is a schematic structural view of a hanger according to a second embodiment of the present application;

fig. 7 is a schematic structural diagram of a hanger provided in the third embodiment of the present application;

the connecting structure comprises a front connector 1, a compression nut 2, a tooth-shaped block 3, a front beam 4, a mounting plate 5, a rear connector 6, a lining 7, an adapter 8, a long bolt 9 and a connecting bolt 10.

Detailed Description

The invention provides a universal hanging rack for a helicopter belly, which can meet the requirement of assembling different helicopter task devices on the helicopter belly according to different flight tasks of a helicopter.

Referring to fig. 1-7, the present invention includes a front connector 1, a compression nut 2, a tooth block 3, a front beam 4, a mounting plate 5, a rear connector 6, a bushing 7, an adapter 8, a long bolt 9, a connecting bolt 10, etc.

The front connector 1 and the compression nut 2 are matched with each other, are provided with two parts, are respectively assembled with a left connecting piece and a right connecting piece on the machine body, can be adjusted according to the widths of the left connecting piece and the right connecting piece on the machine body, eliminate structural gaps and prevent shaking; the front joint 1 and the tooth-shaped blocks 3 are matched with each other and can be adjusted according to the distance between a left connecting piece and a right connecting piece on the helicopter body, and 2 tooth-shaped blocks 3 are arranged and are respectively arranged at two ends of a front beam 4 to meet the requirements of helicopters with different erection times; the front beam 4 and the mounting plate 5 form a T-shaped structure and are connected with the adapter 8 in an installing way; the rear joint 6 and the bush 7 are arranged on the joint of the front bracket of the oil tank, the universal hanger is arranged on the machine body together with the front joint, and 2 bushes 7 are respectively arranged on the joints of the front bracket of the oil tank; the adapter 8 is adjusted and replaced according to the equipment to be installed, so that the hanging rack can be suitable for installation of different equipment.

The present invention is described in further detail below with reference to figures 1-7.

Referring to fig. 1-7, the general helicopter belly pylon provided by the invention comprises a front joint 1, a compression nut 2, a tooth block 3, a front beam 4, a mounting plate 5, a rear joint 6, a bushing 7, an adapter 8, a long bolt 9 and a connecting bolt 10.

The front connector 1 is of a U-shaped structure, one side of the front connector is provided with a threaded hole, the front connector is combined with the compression nut 2, the width of the left connector/the right connector of the machine body can be adjusted, the bottom surface of the U-shaped groove is provided with a through hole which is a countersunk hole, the countersunk area is a waist-shaped clamping groove, the hexagonal head of the long bolt 9 can be clamped, the bottom of the front connector 1 is of a tooth-shaped structure and is matched with the tooth-shaped block 3, and the front connector can be adjusted according to the distance between the left connector and the right connector of the machine body.

In the embodiment of the application, one surface of the tooth-shaped block 3 is of a tooth-shaped structure and is matched with the front joint 1, the other surface of the tooth-shaped block is of a plane structure and is attached to the front beam 4, the tooth-shaped block 3 is provided with a kidney-shaped through hole and a plurality of bolt through holes, wherein the bolt through holes are countersunk holes, and the countersunk areas are positioned on the tooth-shaped surface; two ends of the front beam 4 are respectively provided with a waist-shaped through hole which is fixedly connected by a long bolt 9 in a penetrating way, and the side of the waist-shaped hole is provided with a plurality of bolt through holes which are used for connecting the tooth-shaped block 3; the rear joint 6 is matched with the bush 7 and is arranged on the front bracket joint of the oil tank of the machine body through a mounting bolt 10; the front beam 4 is assembled with the mounting plate 5, the tooth-shaped block 3 and the adapter 8 to form a T-shaped hanging frame which is connected with the front joint 1 and the rear joint 6 and used for mounting the helicopter mission equipment.

When the invention is used for connecting helicopter mission equipment, the mounting and dismounting steps are as follows:

step 1: a long bolt 9 penetrates through a through hole of a U-shaped groove of the front joint 1 and is placed on the front joint 1, wherein a hexagonal head of the long bolt 9 is placed in a kidney-shaped clamping groove of the front joint 1;

step 2: connecting a front connector 1 with a compression nut 2, placing the left connector on a machine body, adjusting the compression nut 2 according to the internal width of the connector, then sequentially penetrating a bolt through the left connector, the compression nut 2 and the front connector 1 on the machine body, and connecting and fixing the bolts by using nuts, as shown in fig. 4;

and step 3: the connection method of the front joint 1, the compression nut 2, the long bolt 9 and the right connecting piece on the machine body is carried out according to the

steps

1 and 2;

and 4, step 4: the method comprises the following steps of putting 2 bushings 7 on front bracket joints of an oil tank of a machine body, respectively putting the bushings on the front side and the rear side of the joints, putting a rear joint 6 into a U-shaped structure of the joints, sequentially penetrating mounting bolts 10 through the bushings 7 and the rear joint 6, and fixedly mounting the mounting bolts on the machine body by using nuts, wherein the mounting bolts are shown in figure 5;

and 5: the tooth-shaped blocks 3 are arranged at two ends of the front beam 4 and are fixedly connected to the front beam 4 by adopting a plurality of groups of bolts to penetrate through the tooth-shaped blocks, wherein the waist-shaped holes in the centers of the tooth-shaped blocks 3 are aligned with the waist-shaped holes of the front beam 4;

step 6: connecting and fixing the mounting plate 5 and the front beam 4 through a plurality of groups of bolts and nuts;

and 7: connecting and fixing the adaptor 8 and the mounting plate 5 through a plurality of groups of bolts and nuts to complete the connection of the hanging rack, as shown in fig. 6;

and 8: a long bolt 9 arranged on the front joint 1 penetrates through the tooth-shaped block 3 and the front beam 4 and is connected and fixed by using a nut, and two sides of the front beam 4 are connected and fixed;

and step 9: the rear end of the mounting plate 5 and the rear joint 6 are fixedly connected through 2 groups of bolts and nuts, as shown in fig. 7;

step 10: connecting the helicopter task equipment with the adapter 8 through a bolt, and completing installation;

step 11: the removal of the helicopter task equipment is realized by removing the connecting bolt between the helicopter task equipment and the adapter 8, and removing the helicopter task equipment to finish the removal of the helicopter task equipment;

step 12: replacing the helicopter task equipment, namely removing the original helicopter task equipment according to step 11, and installing new helicopter task equipment according to step 10;

step 13: the dismounting of the belly hanging frame is opposite to the mounting, the connecting bolt of the helicopter mission equipment and the adapter 8 is dismounted, and the helicopter mission equipment is taken down;

step 14: the connection between the long bolt 9 and the front beam 4 is removed, 2 groups of bolt nuts of the rear joint 6 and the mounting plate 5 are removed, and the hanging frame is taken down;

step 15: dismantling a connecting bolt of the front joint 1 and a left connecting piece of the machine body, and taking down the front joint 1;

step 16: dismantling a connecting bolt of the front joint 1 and a right connecting piece of the machine body, and taking down the front joint 1;

and step 17: and (3) removing the connecting bolt 10 of the rear joint 6 and the front bracket joint of the oil tank of the airplane body, and removing the rear joint 6, the bush 7 and the connecting bolt 10 to finish the removal of the universal rack for the airplane belly.

In other embodiments of the present application, the installation method of the present invention:

1. connecting the front joint 1, the long bolt 9 and the compression nut 2 with the machine body connecting piece through bolts and nuts, as shown in fig. 4;

2. the rear joint 6, the bush 7 and the mounting bolt 10 are connected with the front bracket joint of the oil tank of the fuselage through bolts and nuts, as shown in figure 5;

3. connecting the toothed block 3, the front beam 4, the mounting plate 5 and the adapter 8 through bolts and nuts to form a T-shaped hanging rack, as shown in fig. 6;

4. connecting the T-shaped hanging rack with the front joint 1 and the rear joint 6 through bolts and nuts, as shown in FIG. 7;

5. and connecting the helicopter task equipment with the adapter 8 to complete the installation of the helicopter task equipment.

Claims

1. A universal pylon for a helicopter belly, the pylon comprising:

a front beam for mounting on a helicopter belly;

2. A universal pylon for a helicopter belly according to claim 1 wherein the front beam and the mounting plate form a T-shaped pylon.

3. A universal helicopter belly pylon according to claim 2 wherein said front beam is bolted to said mounting plate; wherein, the mounting panel is trapezoidal shape, the mounting panel includes that aluminum alloy machine adds the frame.

4. A universal helicopter belly pylon according to claim 3 wherein said adapter is positioned on the bottom of said mounting plate and is bolted to said mounting plate.

5. A universal helicopter belly pylon according to claim 4 wherein said adaptor is X-shaped, wherein said attachment member further comprises a through hole for mounting said helicopter mission equipment.

6. A universal helicopter belly pylon according to claim 5 wherein said helicopter mission equipment includes: aerial camera, photoelectric pod, search light and air horn.

7. The universal mount pylon for a helicopter belly of claim 1 wherein said pylon further comprises:

the long bolt penetrates through the bottom of the front joint;

8. A universal pylon for a helicopter belly according to claim 7 wherein the forward beam end has mounting holes for mounting the blocks.