CN116176839A - A grenade continuous feeding device - Google Patents

Abstract

The invention discloses a grenade continuous feeding device, which belongs to the technical field of unmanned aerial vehicles and is used for continuously feeding grenades when the grenades are put on a target area in an air-drop mode. The device comprises a shell, a flexible cable, an automatic cable collecting box, a sliding rail, a top spring block, a pull ring fixing frame and the like. The serial connection of a plurality of grenades can be realized through the sliding rail by only adding a matched pull ring fixing frame to each grenade, and the structure is simple and the reliability is high; the automatic rope collecting box, the flexible rope and the ejection block provide pretightening force for the serially connected grenades, so that continuous bullet supply can be realized.

Description

A grenade continuous feeding device

technical field

The invention discloses a grenade continuous feeding device, which belongs to the technical field of unmanned aerial vehicles and is used for continuously feeding grenades when dropping grenades over a target area.

Background technique

At present, the use of UAV platforms is very mature, and a complete system has been established. UAVs can be used for material delivery and regional investigation. Limited by the weight of the delivery device and the complexity of the mechanism. The automatic bomb-dropping device found for drones has a main structure of one bomb and one barrel, that is, one grenade is stored in one bomb-throwing barrel. After the grenade in the bomb-throwing barrel is dropped, the barrel is empty. If you want to carry multiple grenades, you need to mount multiple bombs, which increases the invalid load quality of the drone and reduces the overall bomb carrying capacity. Therefore, the existing grenade delivery device mounted on this type of unmanned aerial vehicle platform has the disadvantage of not being able to continuously supply bombs.

Contents of the invention

The object of the present invention is to solve the problem of continuous bomb feeding of the grenade delivery device, and provide a continuous grenade feeding device suitable for mounting on the unmanned aerial vehicle platform.

The technical solution adopted by the present invention to solve the above-mentioned problems: the grenade continuous feeding device includes a housing 1, a flexible cable 2, an automatic cable receiving box 3, a slide rail 4, a top bullet block 5, and a pull ring fixing frame 6; The rail 4 and the automatic cable receiving box 3 are fixed on the housing 1; the flexible cable 2 protrudes from the automatic cable receiving box 3, and the free end of the flexible cable 2 is fixed on the top elastic block 5; the housing 1 is provided with Bottom upper limit surface 101 , bottom lower limit surface 103 , bottom side limit surface 102 , top side limit surface 104 , top upper limit surface 105 ; Freely sliding guide mechanism 502, the other end of the top bomb block 5 is a curved surface structure 501 that fits with the pull ring type grenade shell 701; the pull ring fixing frame 6 is fixed with the pull ring type grenade pull ring 702, and the pull ring The ring fixing frame 6 can slide freely along the lower opening chute 401 of the slide rail 4 .

An annular groove 601 is provided in the middle of the pull ring fixing frame 6, and symmetrical protrusions 602 are provided on both outer sides, and the ring groove 601 and the pull ring 702 of the pull ring grenade are fixed by an interference fit or a buckle. The symmetrical protrusion 602 forms a moving pair with the slide rail 4 in a clearance fit manner.

A scroll spring or a torque motor is used as an executive power element for automatic cable retraction in the automatic cable retraction box 3 .

The guide mechanism 502 of the top spring block 5 is two sets of pulleys or smooth circular protrusions arranged front and back, and the guide mechanism 502 can slide along the double slide grooves 402 .

The housing 1, slide rail 4, and top bullet 5 are made of aluminum alloy or fiber composite material.

Beneficial effects of the present invention: the formed grenade continuous feeding device only needs to embed each grenade pull ring into a matching pull ring fixing frame, and then realize the series connection of multiple grenade through the slide rail, with simple structure and high reliability High; through the automatic cable receiving box, flexible cable, and the top bomb block, the preload is provided for the series grenade, which can realize continuous feeding; the aluminum alloy material, glass fiber composite material or carbon fiber composite material is used, with high structural strength and light weight. Meet the lightweight requirements of unmanned aerial vehicles.

Description of drawings

Figure 1 Schematic diagram of the side-section structure of the grenade continuous feeding device

Figure 2 Schematic diagram of B-B section of the grenade continuous feeding device

Figure 3 Schematic diagram of the C-C section of the grenade continuous feeding device

Figure 4 Schematic diagram of the structure of the top bullet

Figure 5 Schematic diagram of the structure of the pull ring fixing frame

In the figure: 1. shell, 101. bottom upper limit surface, 102. bottom side limit surface, 103. bottom lower limit surface, 104. top side limit surface, 105. top upper limit surface, 2. flexible cable, 3. Automatic cable receiving box, 4. Slide rail, 401. Lower opening chute, 402. Double chute, 5. Top spring block, 501. Fitting curved surface structure, 502. Guide mechanism, 6. Pull ring fixing frame, 601. Annular groove, 602. Symmetrical protrusion, 7. Pull ring type grenade, 701. Pull ring type grenade shell, 702. Pull ring.

Detailed ways

The present invention will be further described below in conjunction with drawings and embodiments.

Example 1

The device is installed before use. First install the pull ring fixing frame 6: first take the pull ring type grenade 7 out of the packaging tube or bag, remove the protective cap, expose the pull ring 702, and align the pull ring 702 with the ring groove of the pull ring fixing frame 6 601, and squeeze it hard, so that the pull ring 702 is buckled into the annular groove 601, and the installation action can be completed. A plurality of pull ring type hand grenades 7 are correspondingly installed with pull ring fixing brackets 6 respectively to form a group.

Then the top bomb block 5 is taken out from the double chute of the slide rail 4, and the ring-type hand grenade 7 of the assembled ring fixing frame 6 is sequentially loaded into the shell 1: as shown in Figure 1, first fix the ring The frame 6 is loaded into the slide rail 4, and the symmetrical protrusion (602) is loaded into the lower opening chute 401, and the pull ring 702 is extended downward along the slotted part of the opening chute 401; the pull ring type grenade shell 701 The bottom is fitted with the bottom upper limit surface 101, the bottom lower limit surface 103, and the bottom side limit surface 102 of the housing 1, and the top of the pull-ring grenade 7 is fitted with the top side limit surface 104 and the top upper limit surface of the housing 1. 105 fit. After the installation is completed, the pull ring fixing frame 6 can slide freely in the lower opening chute 401, and at the same time drive the pull ring type hand grenade 7 to slide.

After loading a set of ring-pull hand grenades 7 in sequence, then load the top bullet block 5: first, fit the curved surface structure 501 of the top bullet block 5 to the outermost grenade shell 701, and then install the guide mechanism 502 of the top bullet block 5 , slide inwards along the double chute 402. Under the contraction action of automatic cable receiving box 4, a plurality of pull ring type hand grenades 7 are gathered to the left side of Fig. 2 and Fig. 3 by flexible cable 2 traction top projectile.

For the 48mm ring-pull grenade, an automatic feeding shell that can hold 8 ring-pull grenades is designed. The automatic cable receiving box 3 fixed on the shell 1 uses a scroll spring as an energy storage element inside. Under no-load conditions, the preload force is about 5N, and the maximum tension force is 20N. It can provide a stroke of 800mm in total, which can not only ensure that all bullets are supplied in place. , but also to ensure the feeding speed. The flexible cable 2 adopts a steel wire rope, and the top elastic block and the energy storage box are connected together by a steel wire rope; the guide mechanism 502 is two sets of pulleys arranged before and after, which can reduce the resistance during the movement of the push elastic block 5; The rail 4 and the top bullet block 5 are made of fiber composite material.

Claims (5)

1. The continuous grenade feeding device is characterized by comprising a shell (1), a flexible rope (2), an automatic rope collecting box (3), a sliding rail (4), a bullet ejecting block (5) and a pull ring fixing frame (6); the sliding rail (4) and the automatic rope collecting box (3) are fixed on the shell (1); the flexible cable (2) extends out of the automatic cable collecting box (3), and the free end of the flexible cable (2) is fixed on the ejection block (5); the shell (1) is provided with a bottom upper limit surface (101), a bottom lower limit surface (103), a bottom side limit surface (102), a top side limit surface (104) and a top upper limit surface (105); one end of the ejection block (5) is a guide mechanism (502) which freely slides along the double sliding grooves (402) of the sliding rail (4), and the other end of the ejection block (5) is a curved surface structure (501) attached to the pull ring grenade shell (701); the pull ring fixing frame (6) is fixed with the pull ring type grenade pull ring (702), and the pull ring fixing frame (6) freely slides along a lower opening sliding groove (401) of the sliding rail (4).

2. The grenade continuous feed device of claim 1, wherein: the novel pull ring grenade is characterized in that an annular groove (601) is formed in the middle of the pull ring fixing frame (6), symmetrical protrusions (602) are arranged on two outer side faces of the annular groove (601) and the pull ring (702) of the pull ring grenade are fixed in an interference fit or buckling mode, and the symmetrical protrusions (602) and the sliding rail (4) form a moving pair in a clearance fit mode.

3. The grenade continuous feed device of claim 1, wherein: the automatic cable winding box (3) adopts a spiral spring or a torque motor as an execution power element for automatically winding cables.

4. The grenade continuous feed device of claim 1, wherein: the guiding mechanism (502) of the ejection block (5) is two groups of pulley blocks or smooth round protrusions which are arranged front and back, and the guiding mechanism (502) slides along the double sliding grooves (402).

5. The grenade continuous feed device of claim 1, wherein: the shell (1), the sliding rail (4) and the ejection block (5) are made of aluminum alloy materials or fiber composite materials.

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