Helicopter fire extinguishing bucket with adjusting mechanism

Abstract

The utility model discloses a helicopter fire-extinguishing bucket with an adjusting mechanism, which relates to the field of fire-extinguishing bucket equipment and comprises a bucket body, a bucket cavity is arranged at the upper end of the bucket body, a partition plate is fixedly connected to the lower side of the inner wall of the bucket cavity, and the bucket cavity is divided into a first cavity and a second cavity by the partition plate. The second cavity is formed in the lower portion of the first cavity, a water volume adjusting assembly is arranged at the inner end of the second cavity, the right side of the upper end of the partition plate fixedly communicates with a first water outlet pipe, the lower end of the bucket body fixedly communicates with a second water outlet pipe, and the second water outlet pipe is arranged in the second cavity; a plurality of water outlet holes which are circumferentially distributed are formed in the upper end of the rotating circular plate, and the inner diameters of the water outlet holes are different. According to the utility model, when the falling water quantity of the bucket body is adjusted, the phenomenon that water falls into the second cavity is avoided, and the service life of the motor is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire -extinguishing bucket equipment field, concretely is a kind of helicopter fire -extinguishing bucket with adjusting mechanism. BACKGROUND

[0002] Helicopter fire -extinguishing bucket is a kind of special device for fire -extinguishing task, it is usually composed of a large capacity water tank and a suspension system, can be installed below or side of helicopter, when fire occurs, helicopter can fly to the vicinity of fire, utilize fire -extinguishing bucket to release a large amount of water or extinguishing agent above fire field, this operation can quickly cover large area of fire source, and the water volume and range of spraying are controlled by the design and operating mode of bucket;

[0003] As the utility model patent with the publication number CN220572535U discloses a kind of helicopter fire -extinguishing bucket with adjusting mechanism, it is related to fire -extinguishing bucket equipment field, helicopter fire -extinguishing bucket with adjusting mechanism includes fire -extinguishing bucket body, adjusting device for adjusting the size of outlet is equipped in fire -extinguishing bucket body, start drive piece makes it drive limit disc to rotate, when limit disc rotates, support rod will be rotated along with the movement track of limit disc, when support rod is rotated to the slide groove opened in the surface of rotating disc, it will drive rotating disc to carry out intermittent motion by slide groove, rotating disc motion will drive support column and connecting column to rotate, so that connecting column drives multiple movable pieces to rotate, make multiple movable pieces on which different sizes of outlet are opened align the one end of outlet pipe and drain pipe, by the above structure, the size of outlet can be conveniently adjusted, improve the practicability of fire -extinguishing bucket to some extent, but there is the problem that movable piece will appear certain spacing between outlet pipe and drain pipe in the process of rotating, it can cause the water flowing down through outlet pipe to enter the space where adjusting device is placed, finally lead to water to motor and adjusting device will produce long-time corrosion result, for this, we propose a kind of helicopter fire -extinguishing bucket with adjusting mechanism. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of helicopter fire -extinguishing bucket with adjusting mechanism to solve the problems raised in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A helicopter fire bucket with adjusting mechanism, including bucket body, the bucket body upper end is equipped with bucket cavity, the bucket cavity inner wall lower side is fixedly connected with the partition plate, the partition plate is divided into first cavity and second cavity, the second cavity sets up in the first cavity lower part, the second cavity inner end is provided with water quantity adjusting assembly, the partition plate upper end right side is fixedly connected with first water outlet pipe, the bucket body lower end is fixedly connected with second water outlet pipe and is provided with second water outlet pipe in the second cavity, the water quantity adjusting assembly includes the rotation round plate of setting in the first water outlet pipe lower end, the rotation round plate upper end is equipped with a plurality of round distribution water outlet hole, the inner diameter of each water outlet hole is not identical, the rotation round plate lower end middle part is fixedly connected with second shaft, the second shaft outer end middle part is fixedly connected with rotation gear, the rotation gear left side is engagedly connected with incomplete gear.

[0006] Preferably, the second cavity inner end lower side is fixedly connected with the step motor, the step motor output end is fixedly connected with the first shaft, and the first shaft upper end is fixedly connected with the incomplete gear.

[0007] Preferably, the rotation round plate outer end is fixedly connected with the outer limit ring, the rotation round plate upper end inner side is fixedly connected with the inner limit ring, and the first water outlet pipe is arranged between the outer limit ring and the inner limit ring.

[0008] Preferably, the outer limit ring inner end abuts against the first water outlet pipe outer end, and the inner limit ring outer end abuts against the first water outlet pipe outer end.

[0009] Preferably, the bucket body upper end is fixedly connected with a plurality of circumferentially distributed pull ropes.

[0010] Preferably, the rotation round plate is arranged between the first water outlet pipe and the second water outlet pipe, the first water outlet pipe lower end abuts against the rotation round plate, and the second water outlet pipe upper end abuts against the rotation round plate.

[0011] Preferably, the second shaft lower end is rotatably connected to the bucket body through a bearing.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model provides a set with bucket body, drawstring, bucket cavity, partition, first cavity, second cavity, water quantity adjusting assembly, first water outlet pipe and second water outlet pipe can complete when the flow of water quantity needs to be adjusted, at this time can through outside power supply to step motor power supply, the step motor output end drives first pivot to rotate and in turn drives incomplete gear to rotate motion, the incomplete gear drives rotation gear to rotate and in turn drives second pivot to rotate motion, the relative rotation motion of second pivot and bucket body is generated at this time, the rotation motion of rotation disc, outer limit ring and inner limit ring is driven by second pivot at this time, because a plurality of water outlet holes with different inner diameter sizes are seted up on rotation disc, when incomplete gear rotates a circle, the rotation gear rotates a quarter of a circle at this time, the water outlet hole and first water outlet pipe and second water outlet pipe position alignment at this time, the water in the first cavity will flow out directly through first water outlet pipe and second water outlet pipe, in the process of rotation disc rotation, the water will not fall into the second cavity, the utility model realizes when the falling water quantity of bucket body is adjusted, the phenomenon that the water will not fall into the second cavity is not appeared, improve the service life of motor.

[0014] 2. The utility model provides a set with bucket body and drawstring can complete drawstring and the fixed installation of the lifting component on the helicopter, when needing to hoist and lower action to bucket body, the drawstring will pull up and put down action to bucket body at this time. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole section structure schematic diagram of the utility model;

[0017] Figure 3 It is the utility model Figure 2 A part structure of the utility model is enlarged diagram;

[0018] Figure 4 It is the water quantity adjusting assembly structure schematic diagram of the utility model.

[0019] In the drawing: 1, bucket body; 2, drawstring; 3, bucket cavity; 4, partition; 5, first cavity; 6, second cavity; 7, water quantity adjusting assembly; 71, step motor; 72, first pivot; 73, incomplete gear; 74, rotation gear; 75, second pivot; 76, rotation disc; 77, water outlet hole; 78, outer limit ring; 79, inner limit ring; 8, first water outlet pipe; 9, second water outlet pipe. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figure 1 - Figure 4 The utility model provides a kind of technical scheme: a helicopter fire bucket with adjusting mechanism, including bucket body 1, bucket cavity 3 is set in bucket body 1 upper end, the lower side of the inner wall of bucket cavity 3 is fixedly connected with partition plate 4, partition plate 4 divides bucket cavity 3 into first cavity 5 and second cavity 6, second cavity 6 is arranged in the lower part of first cavity 5, and water quantity adjusting assembly 7 is arranged in the inner end of second cavity 6, first water outlet pipe 8 is fixedly connected with the right side of the upper end of partition plate 4, and second water outlet pipe 9 is fixedly connected with the lower end of bucket body 1 and is arranged in second cavity 6, water quantity adjusting assembly 7 includes rotating disc 76 arranged in the lower end of first water outlet pipe 8, a plurality of water outlet holes 77 are set in the upper end of rotating disc 76 and are distributed in a circle, the inner diameter of each water outlet hole 77 is inconsistent, second shaft 75 is fixedly connected with the lower end of rotating disc 76, second shaft 75 is fixedly connected with rotating gear 74 in the middle of outer end, and incomplete gear 73 is engagedly connected with the left side of rotating gear 74.

[0022] In the embodiment, the lower side of the inner end of second cavity 6 is fixedly connected with stepping motor 71, the output end of stepping motor 71 is fixedly connected with first shaft 72, and incomplete gear 73 is fixedly connected with the upper end of first shaft 72.

[0023] Specifically, the stepping motor 71 is powered by an external power supply, and at this time, the output end of the stepping motor 71 drives the first shaft 72 to rotate and in turn drives the incomplete gear 73 to rotate.

[0024] In the embodiment, the outer end of rotating disc 76 is fixedly connected with outer limiting ring 78, and the inner end of rotating disc 76 is fixedly connected with inner limiting ring 79, and first water outlet pipe 8 is arranged between outer limiting ring 78 and inner limiting ring 79.

[0025] Specifically, the outer limiting ring 78 and the inner limiting ring 79 can complete the limiting action of the first water outlet pipe 8.

[0026] In the embodiment, the inner end of outer limiting ring 78 abuts against the outer end of first water outlet pipe 8, and the outer end of inner limiting ring 79 abuts against the outer end of first water outlet pipe 8.

[0027] Specifically, it is ensured that the first water outlet pipe 8 is always between the outer limiting ring 78 and the inner limiting ring 79.

[0028] In the embodiment, the plurality of pull ropes 2 are fixedly connected to the upper end of the bucket body 1 in a circumferential distribution.

[0029] Specifically, the pull ropes 2 can be fixedly installed with the lifting assembly on the helicopter, and when the bucket body 1 needs to be lifted and lowered, the pull ropes 2 pull up and lower the bucket body 1.

[0030] In the embodiment, the rotating disc 76 is arranged between the first water outlet pipe 8 and the second water outlet pipe 9, the lower end of the first water outlet pipe 8 abuts against the rotating disc 76, and the upper end of the second water outlet pipe 9 abuts against the rotating disc 76.

[0031] Specifically, the rotating disc 76 is tightly fitted with the first water outlet pipe 8 and the second water outlet pipe 9.

[0032] In the embodiment, the lower end of the second rotating shaft 75 is rotatably connected to the bucket body 1 through a bearing.

[0033] Specifically, the second rotating shaft 75 does not interfere with the bucket body 1 during rotation.

[0034] Working principle: when the flow of the water flow needs to be adjusted, the step motor 71 is powered by an external power source at this time, the output end of the step motor 71 drives the first rotating shaft 72 to rotate and in turn drives the incomplete gear 73 to rotate, the incomplete gear 73 drives the rotating gear 74 to rotate and in turn drives the second rotating shaft 75 to rotate, the second rotating shaft 75 and the bucket body 1 rotate relative to each other at this time, the second rotating shaft 75 drives the rotating disc 76, the outer limiting ring 78 and the inner limiting ring 79 to rotate, because the rotating disc 76 is provided with a plurality of water outlet holes 77 with different inner diameters, when the incomplete gear 73 rotates one circle, the rotating gear 74 rotates one quarter of a circle at this time, the water outlet holes 77 are aligned with the first water outlet pipe 8 and the second water outlet pipe 9 at this time, the water in the first cavity 5 will flow out directly through the first water outlet pipe 8 and the second water outlet pipe 9, and the water will not fall into the second cavity 6 during the rotation of the rotating disc 76, the utility model realizes that the water will not fall into the second cavity 6 when the falling water of the bucket body 1 is adjusted, and the service life of the motor is improved.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A helicopter fire bucket with a regulation mechanism, comprising a bucket body (1), characterized in that: The upper end of the bucket body (1) is provided with a bucket cavity (3), the lower side of the inner wall of the bucket cavity (3) is fixedly connected with a partition plate (4), the partition plate (4) divides the bucket cavity (3) into a first cavity (5) and a second cavity (6), the second cavity (6) is arranged at the lower part of the first cavity (5), the inner end of the second cavity (6) is provided with a water amount adjusting assembly (7), the upper end of the partition plate (4) is fixedly connected with a first water outlet pipe (8) on the right side, the lower end of the bucket body (1) is fixedly connected with a second water outlet pipe (9) and the second water outlet pipe (9) is arranged in the second cavity (6), the water amount adjusting assembly (7) comprises a rotating disc (76) arranged at the lower end of the first water outlet pipe (8), a plurality of water outlet holes (77) are arranged on the upper end of the rotating disc (76) in a circumferential distribution, the inner diameters of each of the water outlet holes (77) are inconsistent, the lower end of the rotating disc (76) is fixedly connected with a second rotating shaft (75) at the middle part, the outer end of the second rotating shaft (75) is fixedly connected with a rotating gear (74), and the left side of the rotating gear (74) is engagedly connected with an incomplete gear (73).

2. A helicopter bucket with a regulating mechanism according to claim 1, characterized in that: The inner end of the second cavity (6) is fixedly connected with a stepping motor (71) on the lower side, and the output end of the stepping motor (71) is fixedly connected with a first rotating shaft (72).

3. A helicopter bucket with a regulating mechanism according to claim 1, characterized in that: The outer end of the rotating disc (76) is fixedly connected with an outer limiting ring (78), and the inner end of the rotating disc (76) is fixedly connected with an inner limiting ring (79) on the inner side of the upper end.

4. A helicopter bucket with a regulating mechanism according to claim 3, characterized in that: The inner end of the outer limiting ring (78) abuts against the outer end of the first water outlet pipe (8), and the outer end of the inner limiting ring (79) abuts against the outer end of the first water outlet pipe (8).

5. A helicopter bucket with a regulating mechanism according to claim 1, characterized in that: The upper end of the bucket body (1) is fixedly connected with a plurality of pull ropes (2) arranged in a circumferential distribution.

6. A helicopter bucket with a regulating mechanism according to claim 1, characterized in that: The rotating disc (76) is arranged between the first water outlet pipe (8) and the second water outlet pipe (9), the lower end of the first water outlet pipe (8) abuts against the rotating disc (76), and the upper end of the second water outlet pipe (9) abuts against the rotating disc (76).

7. A helicopter bucket with a regulating mechanism according to claim 1, characterized in that: The lower end of the second rotating shaft (75) is rotatably connected with the bucket body (1) through a bearing.

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