CN2208541Y - Portable pneumatic rope throw device - Google Patents

Abstract

The utility model discloses a portable pneumatic rope throw device, which is composed of an ejector, a projectile body, and a traction rope. The utility model is characterized in that an air storage chamber is arranged on the ejector. Air storage can be implemented by using a common air source. Air pressure is only required to be 0.7-1.2 Ma. Meanwhile, a speed increasing mechanism is adopted for matching. The use efficiency of compressed air is enhanced. The utility model which can be widely used for rescue of water surface, fire ground, tall buildings has the advantages of simple structure, light weight, and convenient carrying. A distance for throwing a rope can reach 50-90 m. The portable pneumatic rope throw device can also be used for the throw of the dragnet rope of a fishing boat, the steel cable traction rope of a towboat and the cable traction rope of a ship, and the throw of wiring hoist ropes in mountain areas, rivers, tunnels, etc.

Description

Portable pneumatic rope throw device

The utility model relates to the impelling instrument of a kind of remote lifeline and hauling rope, particularly a kind of portable air line throwing appliance.

In the prior art, the impelling instrument that is used for lifeline, hauling rope has rifle or pedestal type life rope gun, rocket throwing rope gun, air type life rope gun, they all are made up of projector, projectile, hauling rope three parts, rifle or pedestal type life rope gun are by the high temperature and high pressure gas that gunpowder produces power valve to be released in the projectile when emission, and obtain required nozzle speed, by the projectile with band to the desired location.Penetrating of such life rope gun restricted apart from far away, but owing to adopt gunpowder to make the energy, emission principle is identical with general firearms, thereby makes that the weight of system is big, inconvenient operation, and storage, transportation and operating needs are higher; The propulsion source of rocket throwing rope gun mainly relies on rocket engine, and its characteristics also are the shooting rope distance, and system weight is lighter relatively, but its every shooting rope once all need consume one piece of rocket engine, use cost height; Record in air type life rope gun " Chinese fire protection complete works " the 3rd volume, it is to be propulsion source with the pressurized air, dish out in the projectile that utilizes the pressurized air expansion working will have hauling rope, its feature is to be propulsion source with the pressurized air, safety, long service life and cost are low, but the deficiency of present this air type life rope gun is: because it is directly to promote the projectile with gas, so require bleed pressure higher, generally will reach 150～200 barometric pressures and could satisfy the shooting rope required distance, therefore this air type life rope gun must have special air feed equipment.In addition, whole feedway weight is bigger, and it is convenient inadequately to use.

The purpose of this utility model is based on existing air type life rope gun, provides a kind of and can utilize general source of the gas, under lower air pressure, launch, and simple in structure, weight is light, portable air line throwing appliance safe in utilization.

The purpose of this utility model realizes by following technical measures.The air type line throwing appliance is to be made of projector, projectile and hauling rope three parts, and projector includes trigger mechanism and canister launcher, and the projectile is connected with an end of hauling rope.Its technical characterstic is that the tail end at projector has a gas dome and trigger mechanism to join, and air inlet valve and safety valve are housed on the gas dome, and a speed increasing mechanism also is housed between trigger mechanism and canister launcher.Line throwing appliance described in the utility model is inflated to gas dome by air inlet valve by source of the gas in use, and source of the gas adopts general source of the gas, can be provided by compressor, gas cylinder or gas cylinder.During emission, owing to there is speed increasing mechanism to cooperate with the air pressure of gas dome, so the requirement of the air pressure of gas dome is less, reaches 0.7～1.2MPa and get final product, safety valve is to be no more than safe pressure in order to ensure the gas dome gaseous tension.There is the front loaded canister launcher of the projectile of hauling rope from projector in system, need only the actuating trigger mechanism during emission, gas in the gas dome will be after the speed increasing mechanism speedup, reach the hyprsonic state, supersonic airstream produces impact effect to the projectile, make the projectile obtain the initial velocity of 25～30m/s when going out nozzle, flying rapidly after flying away from projector in the projectile, drives hauling rope and arrive target.

The utility model is compared with existing shooting rope technology, the good effect that has is: (1) is penetrated under the prerequisite of rope distance in assurance, has enlarged use source of the gas kind, and it not only can adopt high-pressure gas bottle, also can adopt normal air compressor and high pressure manual inflator, air pressure only needs 0.7～1.2MPa; (2) structurally adopt gas dome after, can use completely charged line throwing appliance to carry out shooting rope at any time, and cooperate with speed increasing mechanism, improved the service efficiency of pressure gas, penetrate rope distance and can reach 50～90m; (3) simple in structure, in light weight, then detachable between the about 3kg, power valve and speed increasing mechanism as adopt and be threaded, safety easy to carry.Can be fit to waterborne, the scene of a fire, skyscraper lifesaving, also can be used for fishing for the impelling of the impelling of fishing boat trawlnet rope, towboat hauling rope, steamer heaving pile hauling rope and mountain area, river stringing messenger.

Concrete structure of the present utility model is provided by the following drawings and embodiment.

Accompanying drawing is the integral structure scheme drawing of portable air line throwing appliance.

With reference to the accompanying drawings the utility model is described in further detail.According to the portable air life line throwing gun that the utility model is made, form by gas dome (3), trigger mechanism (5), speed increasing mechanism (6), canister launcher (7), projectile (8) and hauling rope (9).The internal diameter of gas dome (3) is 80mm, long 380mm, make by No. 25 steel thin-wall steel tubes that 2mm is thick, a breather cheek valve door (1) and safety valve (2) are housed on the gas dome (3), for ease of being connected with trigger mechanism (5), between gas dome (3) and trigger mechanism (5), adopt a connection pipe (4), trigger mechanism (5) is by a support (10), emission switch (11), connection for bbreather pipe (12), limit spring (13) and fixed cap (14) are formed, the vertical and horizontal of support (10) have the hole that communicates, transverse holes is the air communication pore, vertically place connection for bbreather pipe (12) in the hole, connection for bbreather pipe (12) laterally have a through hole identical with the air extractor vent aperture, connection for bbreather pipe (12) is controlled by emission switch (11), connection for bbreather pipe (12) is stopped up induction opening by top under limit spring (13) effect at ordinary times, and spring (13) is fixing by a fixed cap (14).During emission, with connection for bbreather pipe (12) jack-up, the through hole of connection for bbreather pipe (12) is communicated by emission switch (11) with air extractor vent on the support (10), then air-flow passes through smoothly, enters canister launcher (7) behind speed increasing mechanism (6).What speed increasing mechanism (6) adopted is the Laval nozzle theory structure.Canister launcher (7) is made by thin-wall aluminium pipe, it with speed increasing mechanism (6) between be to adopt to be threaded.The skin of projectile (8) adopts polytetrafluoroethylene or bakelite material, and inner core is steel, after metallic core is manufactured, non-metallic material is compressed on its surface, and it can avoid injury and the damage of simple metal material to the person and equipment.Hauling rope (9) gets final product with common nylon rope.

Claims (2)

1, a kind of portable air line throwing appliance, it is to be made of projector, projectile [8] and hauling rope [9] three parts, projector includes trigger mechanism [5] and canister launcher [7], projectile [8] is connected with an end of hauling rope [9], it is characterized in that also having a gas dome [3] and trigger mechanism [5] to join, air inlet valve [1] and safety valve [2] are housed on the gas dome [3] at the tail end of projector; Between trigger mechanism [5] and canister launcher [7], a speed increasing mechanism [6] is housed also.

2, portable air line throwing appliance according to claim 1 is characterized in that above-mentioned speed increasing mechanism (6) adopts Laval nozzle.