CN209752005U - Helicopter fire-fighting bucket controlled by air cylinder - Google Patents
Helicopter fire-fighting bucket controlled by air cylinder Download PDFInfo
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- CN209752005U CN209752005U CN201920313926.4U CN201920313926U CN209752005U CN 209752005 U CN209752005 U CN 209752005U CN 201920313926 U CN201920313926 U CN 201920313926U CN 209752005 U CN209752005 U CN 209752005U
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Abstract
The utility model discloses a helicopter fire-fighting bucket controlled by a cylinder, which comprises a micro air pressure source, a bucket body and a cylinder control valve port device, the micro air pressure source comprises an air compressor, an air storage bottle and a control electromagnetic valve which are connected in sequence, the air cylinder control valve port device comprises an air cylinder, a valve plate sealing ring, a plurality of guide columns, a plurality of guide sleeves, a pressing plate sealing ring and a valve seat, the cylinder is arranged on the valve plate, the valve seat is fixedly connected with a piston rod of the cylinder, the valve plate and the valve plate sealing ring are glued into a whole, a hole is arranged on the valve plate, the guide sleeve is arranged on the hole, the pressure plate and the valve seat are fixed on the upper side and the lower side of the bottom of the barrel body, a pressure plate sealing ring is arranged between the pressure plate and the bottom of the barrel body, the bottom end of the guide column is fixed on the valve seat, and the guide post is in sliding fit with the guide sleeve on the valve plate, and the air outlet of the control electromagnetic valve is connected with the upper joint of the air cylinder through an air path. The utility model discloses a well-bucket leakproofness is good, and the release flow is controllable, and easy operation.
Description
Technical Field
The utility model belongs to the technical field of the aviation fire control, concretely relates to helicopter fire control well-bucket who adopts cylinder control.
Background
forest fires or field fires have the characteristics of strong burst and high destructiveness, and because ground fire extinguishing equipment and a manual fire extinguishing mode have large limitations, the natural disaster difficult to dispose is realized. Forest fires may quickly develop into a disaster when no effective early warning is given to the forest fire or effective control is not given at the early stage of the fire. Because the fire is fierce, the burning area of the fire scene is large, the fire development can not be controlled by the conventional fire extinguishing method, and the great advantages of the aviation fire extinguishing means can be exerted. The helicopter has strong maneuverability, is not limited by terrain, and can reach mountainous areas which can not be reached by general fire extinguishing force; the helicopter that puts out a fire delivery ability is relatively stronger, and the fire extinguishing agent volume that once flight carried is big, can effectively shop front fire head, reduces the intensity of a fire, prevents the intensity of a fire to spread, moreover, compares with the direct fire line of pounding a fire, and the helicopter is put out a fire relatively safely.
However, current aviation fire extinguishment still has various defects, and one of the defects is low fire extinguishment efficiency. Generally, the helicopter is far away in the position of supplementing the fire extinguishing agent, long in the time required for reciprocating, poor in the sealing performance of the fire extinguishing bucket, large in loss of the fire extinguishing agent, and incapable of realizing efficient application of the fire extinguishing agent because the release flow of the bucket is not adjustable and can be released only once. Therefore, the development of the helicopter fire extinguishing bucket with small water loss and controllable release flow has important significance in technical and economic aspects.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing an adopt helicopter fire control well bucket of cylinder control. The bucket has good sealing performance, controllable release flow and simple operation.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a cylinder controlled helicopter fire-fighting bucket comprises a micro air pressure source, a bucket body and a cylinder control valve port device, the micro air pressure source comprises an air compressor, an air storage bottle and a control electromagnetic valve which are connected in sequence, the air cylinder control valve port device comprises an air cylinder, a valve plate sealing ring, a plurality of guide columns, a plurality of guide sleeves, a pressing plate sealing ring and a valve seat, the cylinder is arranged on the valve plate, the valve seat is fixedly connected with a piston rod of the cylinder, the valve plate and the valve plate sealing ring are glued into a whole, a hole is arranged on the valve plate, the guide sleeve is arranged on the hole, the pressure plate and the valve seat are fixed on the upper side and the lower side of the bottom of the barrel body, a pressure plate sealing ring is arranged between the pressure plate and the bottom of the barrel body, the bottom end of the guide column is fixed on the valve seat, and the guide post is in sliding fit with the guide sleeve on the valve plate, and the air outlet of the control electromagnetic valve is connected with the upper joint of the air cylinder through an air path.
Further, the above-mentioned helicopter fire-fighting bucket that adopts cylinder control, miniature air pressure source still includes the pressure controller who connects between air compressor and gas bomb.
Further, the above-mentioned helicopter fire control well bucket that adopts cylinder control, the miniature air pressure source still includes the casing, air compressor, gas bomb, control solenoid valve and pressure controller install in the casing.
Furthermore, according to the helicopter fire-fighting bucket controlled by the air cylinder, the plurality of suspension buckles are arranged on the outer side of the shell, and the micro air pressure source is fixedly connected to the helicopter and/or the bucket through the suspension buckles.
Furthermore, the helicopter fire bucket controlled by the air cylinder further comprises a retainer, and the top ends of all the guide columns are fixed on the retainer.
Further, according to the helicopter fire-fighting bucket controlled by the air cylinder, the pressing plate and the valve seat are fixedly connected to the upper side and the lower side of the bottom of the bucket through bolts, gaskets and nuts.
Further, according to the helicopter fire bucket controlled by the air cylinder, the bottom end of the guide column is fixed on the valve seat through a bolt.
Further, above-mentioned helicopter fire control well bucket that adopts cylinder control, the uide bushing passes through the bolt and is connected with the valve plate.
Furthermore, the top ends of all the guide columns are fixedly connected with the retainer into a whole through bolts and gaskets.
Further, above-mentioned helicopter fire control well bucket that adopts cylinder control, the guide post is 4.
The beneficial effects of the utility model reside in that: the utility model discloses a cylinder control valve port device can effectively improve the well-bucket leakproofness, reduces water loss, and release flow can be regulated and control in a flexible way moreover, improves fire extinguishing effect and efficiency greatly. The utility model discloses a helicopter fire control well-bucket of this cylinder control valve port device makes operating personnel can carry out direct control to the switching of well-bucket bottom in the control room, and the open degree can be regulated and control at will moreover, and is nimble, simple and convenient.
Drawings
FIG. 1 is a schematic diagram of a control route of a control cylinder of the micro air pressure source system of the present invention;
FIG. 2 is a front view of a cylinder control valve port arrangement;
FIG. 3 is a perspective view of a cylinder controlled valve port arrangement;
FIG. 4 is an exploded view of the cylinder control valve port assembly;
FIG. 5 is an axial cross-sectional view of a fire bucket with a cylinder control valve port device installed;
FIG. 6 is an exploded view of the assembly of FIG. 5;
Fig. 7 is a structural diagram of the micro air pressure source system of the present invention.
The device comprises a gas pipe 1, a gas cylinder 2, a retainer 3, a guide sleeve 4, a valve plate 5, a valve plate seal ring 6, a pressure plate 7, a pressure plate seal ring 8, a bucket bottom 9, a valve seat 10, a guide post 11, a sling 12, a bucket body 13, an air compressor 14, an air storage tank 15, a pressure controller 16, a control solenoid valve 17, a quick air valve 18, a shell 19 and a suspension buckle 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which include but are not limited to the following examples.
The utility model provides an adopt helicopter fire-fighting bucket of cylinder control, including miniature atmospheric pressure source, staving 13 and cylinder control valve port device, miniature atmospheric pressure source passes through the gas circuit with the cylinder of cylinder control valve port device and is connected, and cylinder control valve port device installs the bottom at staving 13. The cylinder control valve port device not only has a better barrel body sealing function, but also can control the release of the fire extinguishing agent at the bottom of the bucket, as shown in figures 5 and 6. The micro air pressure source provides an air source for the air cylinder movement of the air cylinder control valve port device, and an operator can control the release of the fire extinguishing agent in the bucket by controlling the air source. The route of the micro air pressure source system for controlling the air cylinder refers to fig. 1.
The cylinder control valve port device of the helicopter fire-fighting bucket is shown in fig. 2-4 and mainly comprises an air pipe 1, an air cylinder 2, a guide sleeve 4, a valve plate 5, a valve plate sealing ring 6, a pressure plate 7, a pressure plate sealing ring 8, a valve seat 10, a guide post 11 and the like, wherein the air cylinder 2 is arranged on the valve plate 5, the air pipe 1 is connected with an upper joint of the air cylinder 2, the valve seat 10 is fixedly connected with a piston rod of the air cylinder 2, the valve plate 5 and the valve plate sealing ring 6 are glued into a whole, a hole is formed in the valve plate 5, the guide sleeve 4 is arranged on the hole, the pressure plate 7 and the valve seat 10 are fixed on the upper side and the lower side of a bucket bottom 9, the pressure plate sealing ring 8 is arranged between the pressure plate 7 and the bucket bottom 9. The number of the guide posts 11 is a plurality, and the number of the guide sleeves 4 is matched with that of the guide posts. The connection between the fittings includes, but is not limited to, the use of a bolt and nut connection and the provision of shims as may be required.
In a preferred embodiment, the cylinder control valve port device further comprises a retainer 3, and the top ends of all guide pillars 11 are fixed on the retainer 3 to enhance the stability of the guide pillars.
The structure of the micro air pressure source is shown in fig. 7, and the micro air pressure source comprises an air compressor 14, an air storage bottle 15 and a control electromagnetic valve 17 which are connected in sequence, wherein an air outlet of the control electromagnetic valve 17 is connected with an upper joint of an air cylinder through an air path. In a preferred embodiment, the micro air pressure source further comprises a pressure controller 16 disposed between the air compressor 14 and the air cylinder 15, and the pressure controller automatically switches on the air compressor to add air to the air cylinder when the compressed air in the air cylinder is lower than a set pressure value, so as to meet the requirement of the air flow required by the operation of the air cylinder.
In one embodiment, the air outlet of the control solenoid valve 17 is connected to the air pipe 1, and the air pipe 1 is connected to the upper joint of the air cylinder 2. The control solenoid valve 17 has two air outlets, and is connected with two joints of the cylinder 2 through two air paths. One air channel enables compressed air to flow into one side of the rodless cavity of the air cylinder, and the air cylinder extends out to drive the valve plate to be opened upwards so as to release the fire extinguishing agent in the bucket; the other gas circuit enables compressed air to flow into one side of the rod cavity of the cylinder, the cylinder retracts and drives the valve plate to be closed downwards, and the valve plate sealing ring and the valve seat are compressed and sealed, so that the fire extinguishing agent is prevented from leaking. The release control of the fire extinguishing agent can be realized by connecting the start key and the release key on the operator control box with the control solenoid valve 17 through circuits. When the release button is intermittently operated, the extending stroke of the cylinder can be controlled, and then the release flow of the fire extinguishing agent is adjusted.
in a preferred embodiment, the micro air pressure source further comprises a housing 19, two quick connection air valves 18 are arranged on the housing 19, and an air outlet of the control electromagnetic valve 17 is connected with the quick connection air valves 18 and then connected with the air pipe 1. In a preferred embodiment, the housing 19 is provided with a plurality of hooks 20, and the hooks 20 connect the micro-pneumatic source to the helicopter cargo hook and/or the upper ring of the bucket via the suspension cable 12 to form a complete cylinder controlled helicopter fire bucket.
Use the utility model discloses a mode of well-bucket does: an operator starts a starting button on the control box to start an air compressor in the miniature air pressure source, and compressed air is stored in the air storage tank through the air pipe; an operator opens a release button on the control box, compressed air in the storage air tank flows to one side of a rodless cavity of the air cylinder through the control electromagnetic valve and the air pipe, the air cylinder extends out and drives the valve plate to be opened upwards, and then fire extinguishing agents loaded in the barrel body are released; an operator can control the extending stroke of the cylinder by discontinuously operating the release button so as to adjust and control the release amount of the fire extinguishing agent; when an operator closes a closing key on the control box, compressed air in the miniature air pressure source flows to one side of the rod cavity of the air cylinder through the air pipe and the control electromagnetic valve, the air cylinder retracts and drives the valve plate to be closed downwards, and the valve plate sealing ring and the valve seat are compressed and sealed to prevent the fire extinguishing agent from leaking.
According to the above embodiment, the present invention can be well realized. It is worth explaining, based on the above-mentioned structural design premise, in order to solve the same technical problem, even if some insubstantial changes or retouching are made on the basis of the utility model, the essence of the technical scheme adopted still remains the same as the utility model, so it should also be in the protection scope of the utility model.
Claims (10)
1. A fire bucket of helicopter controlled by cylinder is characterized by comprising a micro air pressure source, a bucket body and a cylinder control valve port device, the micro air pressure source comprises an air compressor, an air storage bottle and a control electromagnetic valve which are connected in sequence, the air cylinder control valve port device comprises an air cylinder, a valve plate sealing ring, a plurality of guide columns, a plurality of guide sleeves, a pressing plate sealing ring and a valve seat, the cylinder is arranged on the valve plate, the valve seat is fixedly connected with a piston rod of the cylinder, the valve plate and the valve plate sealing ring are glued into a whole, a hole is arranged on the valve plate, the guide sleeve is arranged on the hole, the pressure plate and the valve seat are fixed on the upper side and the lower side of the bottom of the barrel body, a pressure plate sealing ring is arranged between the pressure plate and the bottom of the barrel body, the bottom end of the guide column is fixed on the valve seat, and the guide post is in sliding fit with the guide sleeve on the valve plate, and the air outlet of the control electromagnetic valve is connected with the upper joint of the air cylinder through an air path.
2. A cylinder controlled helicopter fire bucket according to claim 1 wherein said micro air pressure source further comprises a pressure controller connected between the air compressor and the air cylinder.
3. A cylinder controlled helicopter fire bucket according to claim 2 wherein said micro air pressure source further comprises a housing, said air compressor, air cylinder, control solenoid valve and pressure controller being mounted within said housing.
4. A cylinder controlled helicopter fire bucket according to claim 3 wherein said housing has a plurality of hangers positioned on the outside of said housing through which a source of micro air pressure is connected to the helicopter and/or bucket.
5. A fire bucket for helicopters, which is controlled by cylinders, according to any one of claims 1 to 4, further comprising a retainer to which the top ends of all the guide posts are fixed.
6. a cylinder controlled helicopter fire bucket according to claim 1 wherein said pressure plate and valve seat are fixedly attached to the upper and lower sides of the bucket bottom using bolts, washers and nuts.
7. A cylinder controlled helicopter fire bucket as defined in claim 1 wherein the bottom end of said guide post is bolted to a valve seat.
8. A cylinder controlled helicopter fire bucket as defined in claim 1 wherein said guide sleeve is bolted to the valve plate.
9. A cylinder controlled helicopter fire bucket as defined in claim 1 wherein the top ends of all the guide posts are fixedly connected to the retainer by bolts and spacers.
10. a cylinder controlled helicopter fire bucket as defined in claim 1 wherein said guide posts are 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313926.4U CN209752005U (en) | 2019-03-13 | 2019-03-13 | Helicopter fire-fighting bucket controlled by air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313926.4U CN209752005U (en) | 2019-03-13 | 2019-03-13 | Helicopter fire-fighting bucket controlled by air cylinder |
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| Publication Number | Publication Date |
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| CN209752005U true CN209752005U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920313926.4U Active CN209752005U (en) | 2019-03-13 | 2019-03-13 | Helicopter fire-fighting bucket controlled by air cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806524A (en) * | 2019-03-13 | 2019-05-28 | 中国民用航空总局第二研究所 | A kind of helicopter fire-fighting well-bucket controlled using cylinder |
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2019
- 2019-03-13 CN CN201920313926.4U patent/CN209752005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806524A (en) * | 2019-03-13 | 2019-05-28 | 中国民用航空总局第二研究所 | A kind of helicopter fire-fighting well-bucket controlled using cylinder |
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