CN104800980A

CN104800980A - Novel descending device

Info

Publication number: CN104800980A
Application number: CN201410041958.5A
Authority: CN
Inventors: 连军
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-24
Filing date: 2014-01-24
Publication date: 2015-07-29
Also published as: WO2015109745A1

Abstract

Disclosed is a novel descending device. The rotating speed of a transmission component is controlled by a novel escapement mechanism, so that a human body descends at a uniform speed. The novel descending device comprises a rope clamping wheel component, a planetary transmission wheel train, an escapement mechanism component, an upper fixing plate, a lower fixing plate and auxiliary parts such as a rope wheel, escapement wheel teeth in the escapement mechanism are isosceles triangles, the number of the teeth can vary within the range of 4-10, and roller type slip components are assembled at the upper end and the lower end of an escapement wheel. The novel descending device is high in reliability, constant in human body descending control speed, resistant to water and oil and convenient to use, and cannot be affected by various external environments in storage.

Description

A kind of novel descending lifeline

(1) technical field

The present invention is a kind of novel descending lifeline, belongs to fire life-saving device for high building material.

(2) background technology

The fire disaster escaping descending lifeline of single use in the world at present it is all the order ground adopting a kind of centrifugal friction mechanism to control escape human body uniform descent.The shortcoming of this mechanism is: reliability is low, and when particularly using and reused after depositing certain hour, centrifugal friction mechanism there will be failure of removal, causes the casualty accident of user; This centrifugal mechanism is in the fire hazard environment having spray head, hydraulic giant to spray as intake, be stained with oil all cannot work; During use, this kind of descending lifeline Installation posture has strict demand again, makes troubles to user; Its another shortcoming is that safe handling resting period is unstable, the factors such as the non-metallic friction materials moisture-sensitive in descending lifeline on centrifugal friction block, aging, chemical volatilization gas and dust all can make the coefficient of friction of brake pad change, and make the descending lifeline used at present there is the problem of reliability, security both at home and abroad always.

Be order of the present invention a kind of reliability of design high, control human body decrease speed constant, not water funk, be not afraid of oil, easy to use, when depositing by the novel descending lifeline of one of extraneous various ambient influnence.

(3) summary of the invention

For achieving the above object, the present invention adopts novel escapement to control descending lifeline, thus reaches the order ground controlling human body uniform descent, novel descending lifeline is made up of auxiliary members such as pressing from both sides rope wheel component, Gear Planet Transmission train, escapement assembly and upper bottom plate, rope sheave, folder rope wheel component is formed by alloy-steel plate stamping riveting, indulges mechanism's one side be fastened with three planetary gears towards Wield, the ring gear of Gear Planet Transmission train is made by alloy-steel plate punching press, and multilayer is riveted into and is integrated, the central gear of planet circular system is fastened on escape wheel, it is isosceles triangle that Wield in escapement indulges form of gear tooth, the number of teeth can change between 4 tooth-10 teeth according to rotation speed requirements, the upper and lower two ends of escape wheel are furnished with roller type slip assemblies, in the middle part of roller type slip assemblies, Kai You rotation turns hole, and by roller, upper lower slips sheet, roller shaft, balancer shaft forms, upper lower slips sheet is by balancer shaft, roller shaft riveted joint is integrated, this roller type slip assemblies can according to the rotating speed needing to control, moment etc. require to select 2-4 group configuration, ring gear is fastening by upper bottom plate by riveting post, and be positioned at two fixed head centre positions, folder rope wheel component, central gear, upper bottom plate center all have hole to be passed through for central shaft, escape wheel also rotates centered by this axle, upper bottom plate upper end is fastened with bolster stake, this column sleeve is equipped with annular vibration damping sheet, and on this sheet, the drag hook of fixing descending lifeline is equipped with in perforate, is fastened with shell dust-proof outside two fixed heads, steel wire rope for carrying human body weight is fixed by pressing from both sides rope sheave, can rotate with folder rope sheave both forward and reverse directions, complete and move up and down function, rope two ends are fixed with the safety belt of fastening human body, and this steel wire rope one end and safety belt are wrapped on rope sheave, rope sheave is mounted with the metal framework that anti-steel wire rope is deviate from, metal framework divides two, and frame mid portion is welded with fixing short tube, and two short tubes are fastening with the hollow rotating shaft two ends of rope sheave respectively, the upper and lower two ends of framework are by tightening of rivet, and rope sheave can rotate on hollow rotating shaft.During use, rope sheave is on the ground, need not worry wirerope-winding problem, after user arrives ground, on rope sheave, another safety belt departs from rope sheave, and next survivor can continue to use, and after such steel wire rope one end lands, the other end is just in time back to starting point upstairs and supplies another user escape.

After adopting novel escapement, the control assembly of descending lifeline makes moist, aging, be stained with the skidding out-of-control phenomenon that wet goods factor causes and be solved, use middle descending lifeline without fixed pose requirement, bring convenience to survivor, because transmission mechanism and the even employing alloy steel material of parts manufacture, minimum by ectocine in depositing, resting period is long, makes its reliability, security significantly improves.

(4) accompanying drawing explanation

Fig. 1 is the structure sectional view of a kind of novel descending lifeline detailed description of the invention of the present invention.

Fig. 2 is that rope sheave structure scrapes view.

(5) detailed description of the invention

The novel descending lifeline of one shown in Fig. 1 by pressing from both sides rope wheel component (10), Gear Planet Transmission train, escapement assembly and upper mounted plate (18), bottom plate (6), plastic casing (3) form.Two plastic casings are fastened on two fixed heads by screw (16), planetary gear (5) in Gear Planet Transmission train is fastened on the one side of folder rope wheel component (10) towards escapement with its turning cylinder, centre wheel (8) is fastened on escape wheel (11) center, the hole passed through for central shaft (15) is had in the middle part of centre wheel, made by alloy-steel plate punching press, multilayer is riveted into the ring gear (4) be integrated and is fixed by upper bottom plate by multiple riveting post (7), and be positioned in the middle part of two fixed heads, it is the folder rope wheel component (10) of alloy-steel plate stamping riveting below it, this folder rope sheave can prevent steel wire rope (9) from sliding in race, ring gear (4) top is escapement, escape wheel (11) profile of tooth is isosceles triangle, be convenient to positive and negative rotation, the number of teeth can change at 4-10 between cog according to rotation speed requirements, the upper and lower two ends of escape wheel are mounted with roller type slip assemblies (2), this assembly is by roller (14), upper lower plate (12), balancer shaft, roller shaft forms, and by balancer shaft, roller shaft riveted joint is integrated, roller is rotatable, in the middle part of this assembly, Kai You rotation turns hole, and be sleeved on the fixed axis (17) between upper mounted plate and ring gear, roller type slip assemblies can according to the rotating speed needing to control, moment etc. require to select 2-4 group configuration.Folder rope wheel component is all sleeved on central shaft (15) with the central gear be fastened on escape wheel, and central shaft two ends are fixed spacing by upper bottom plate.Be fastened on the bolster stake (1) on bottom plate and be set with annular vibration damping sheet (20), on this sheet, fixing descending lifeline hook (19) is equipped with in perforate.

Rope sheave shown in Fig. 2 is made up of the steel wire rope be wound around (9), safety belt (13), rope sheave (21), metal framework (22), fixing short tube (23), hollow rotating shaft (24), wherein metal framework and fixing short tube weld together, metal framework divides two, left and right, two short tubes are fastened on hollow rotating shaft (24) two ends respectively, and the upper and lower two ends of metal framework are fastening by rivet (25).During use, rope sheave can rotate on hollow rotating shaft, there will not be winding when steel wire rope is extracted out.

During use, by hook (19), descending lifeline is fixed, rope sheave is put to user and to be stood ground, then safety belt (13) is inserted on human body, by steel wire rope rotating clip rope wheel component (10) in escape personnel's decline process, when planetary gear rotates around centre wheel, centre wheel speedup is rotated, the escape wheel (11) fastening with it then with centre wheel synchronous axial system, roller (14) in escape wheel teeth and roller type slip assemblies (2) collides, pushing rolling wheels formula slip assemblies rotates backward, escape wheel teeth is collided with second roller (14) again, continuous collision in rotation makes the rotating speed of escape wheel be controlled, thus control the rotating speed of folder rope sheave, reach the order ground controlling escape personnel's constant-speed descending.

Claims

1. a novel descending lifeline, it is characterized in that: adopt novel escapement to the Gear Planet Transmission train controlled in descending lifeline and the rotating speed pressing from both sides rope wheel component, escape wheel teeth in escapement is isosceles triangle, the number of teeth can change at 4-10 between cog according to rotation speed requirements, the central gear of planet circular system is fastened on escape wheel, the upper and lower two ends of escape wheel are furnished with roller type slip assemblies, roller type slip assemblies is by roller, upper lower plate, roller shaft, counterweight, riveting axle forms, and by riveting axle, roller shaft is fastened as a whole, middle part Kai You rotation turns hole, this roller type slip assemblies can according to the rotating speed needing to control, moment etc. require to select 2-4 group configuration, ring gear in planetary drivetrain is made by alloy-steel plate punching press, and multilayer is riveted into and is integrated, upper bottom plate upper end is fastened with bolster stake, this column sleeve is equipped with annular vibration damping sheet, on this sheet, the drag hook of fixing descending lifeline is equipped with in perforate, rope sheave is mounted with the metal framework that anti-steel wire rope is deviate from, metal framework divides two, frame mid portion is welded with fixing short tube, two short tubes are fastening with the hollow rotating shaft two ends of rope sheave respectively, the upper and lower two ends of framework are by tightening of rivet.