CN101966371B - Mechanical descent control device - Google Patents

Mechanical descent control device Download PDF

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Publication number
CN101966371B
CN101966371B CN2010102787210A CN201010278721A CN101966371B CN 101966371 B CN101966371 B CN 101966371B CN 2010102787210 A CN2010102787210 A CN 2010102787210A CN 201010278721 A CN201010278721 A CN 201010278721A CN 101966371 B CN101966371 B CN 101966371B
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CN
China
Prior art keywords
handle
rope
housing
connecting rod
pair
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Expired - Fee Related
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CN2010102787210A
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Chinese (zh)
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CN101966371A (en
Inventor
谷勇霞
郭舜福
杨奇
徐洪源
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Beijing Technology and Business University
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Beijing Technology and Business University
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Priority to CN2010102787210A priority Critical patent/CN101966371B/en
Publication of CN101966371A publication Critical patent/CN101966371A/en
Application granted granted Critical
Publication of CN101966371B publication Critical patent/CN101966371B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a mechanical descent control device which comprises a main descent control device, a connecting rod, a handle, a rope wheel, a pair of guide clamping wheels, a long bearing fireproof rope and a hanging ring, wherein the main descent control device is provided with a conical shell, and the lower end of a side wall of the shell is provided with a hole for the handle to extend out; a brake shoe pair is fixed at the upper edge of the connecting rod, and the lower edge is provided with a branch shaft connected with the handle; the handle is vertically connected with the connecting rod, and the long end of the handle transversely extends out of the shell, while the other end is connected with the shell through a small shaft; the rope wheel is floated between the brake shoe pair and the handle; the pair of the guide clamping wheels are fixed at the opening at the upper end of the shell, and a circuity guide wheel is arranged below the right guide clamping wheel; the long bearing fireproof rope is wound around the rope wheel, and one end of the rope is drawn out by the pair of guide clamping devices, while the other end is led out through the circuity guide wheel; the hanging ring used for hanging a human body is fixedly arranged in the middle at the lower end of the shell; and two sides of the rope wheel are provided with brake sheets fixed on the shell. The mechanical descent control device has the advantages of small volume, light weight, controllable speed, safety, reliability, convenient carrying and use and low manufacturing cost. Users need to be trained and can carry out self rescue and escape while fire hazards, earthquakes, and the like occur.

Description

The machinery descending lifeline
Technical field
The present invention relates to a kind of life-saving equipment, relate in particular to a kind of mechanical descending lifeline.
Background technology
The rescue descending lifeline that generally uses at present mainly contains following two types: one type is XJSl type planet gear type skyscraper descending lifeline, and volume is big, Heavy Weight; Need fixed installation in use; Be not easy to carry, speed can not be controlled, and in the decline process, is prone to problem such as fall.Another kind of is GJH type high-altitude lifesaving slow descender, its novel structure is compact, volume is little, in light weight, join hang easy to carry, can supply the fireman in the lifesaving of the skyscraper scene of a fire, withdraw and use when evacuating material.Owing to must could use through special training, so be difficult to carry out civilian popularization.
And the burst fire-disaster that takes place in the daily life makes people's life and property loss heavy; Many people are owing to missed best escape time; And bury in disaster; So demand urgently particularly supplying people from dropping to ground device upstairs safely, fast in a kind of popular escaping tool appearance that is beneficial to is arranged.
Summary of the invention
The purpose of this invention is to provide a kind of mechanical descending lifeline, it can be life and work and is provided at the guarantee of self-help escape in the burst fire-disasters such as fire the crowd of skyscraper.
For realizing above-mentioned purpose, the present invention takes following design:
A kind of mechanical descending lifeline, it comprises:
One main slow descending device has the housing of a upper and lower opening, and lateral cross section is tapered, has on lower end one sidewall of housing to supply handle to prolong the hole that; One connecting rod is positioned in the middle of the housing; The fixing brake rubber block in the upper end of connecting rod is secondary, and bottom is provided with a branched shaft; One handle, the handle right-hand member is connected with housing through little axle, and the left end of handle laterally prolongs outside the housing, and handle is connected with connecting rod is vertical through branched shaft, is the fulcrum rotation with little of right-hand member when spurring handle, and connecting rod moves downward simultaneously; One rope sheave floats between brake rubber block pair and handle; Establish a circuitous directive wheel below the fixing a pair of driven folding wheel at housing open upper end place, one of them driven folding wheel; Article one, long load-bearing fire prevention rope centered on rope sheave, and an end is by pulling out between a pair of driven folding wheel, and the other end is derived through circuitous directive wheel;
The suspension ring that are used to hang human body in the housing lower end of main slow descending device fixed installation one.
On two side bodies of rope sheave, also be provided with brake block.
Described rope sheave floats between brake rubber block pair and handle.
The said suspension ring that are used to hang human body can be U type suspension ring.
The present invention machinery descending lifeline is simple in structure, small volume and less weight, speed-controllable, safe and reliable, and easy to carry and use, manufacturing cost is lower.The user of service need not pass through special training, can carry out effective self-help escape when meeting burst fire-disasters such as fire, earthquake.Also can be used as special personnel and carry out special duty.When the burst disaster, rope one end is fixed on the indoor fixture, the people catches descending lifeline, is integrated with descending lifeline, can slowly drop to ground safely.
Advantage of the present invention is:
1, safe and reliable.Safety coefficient of the present invention is high, even if operation is accidentally dropped, also can not fall, and the rope sheave that floats under the effect of gravity self-locking can take place, and guarantees safety.
2, simple in structure.Simplicity of design of the present invention is practical, compact conformation.The mechanism that not control system etc. are complicated.Therefore fault rate is almost nil.
3, easy to use.The user need not pass through any professional training, as long as handle a little firmly just can slowly descend.Stop firmly then can to stop automatically falling.Firmly size is directly proportional with operator's deadweight.
4, with low cost.Volume of the present invention is little, in light weight, part is few, simple in structure, low cost of manufacture.As produce by batch and adopt stamping parts and the moulding cost can be lower.Retail price can be controlled in below 50 yuan.
5, be convenient for carrying.Because compact conformation, parts are simplified, so occupy little space, in light weight, be beneficial to and carry.
Description of drawings
Fig. 1 is the present invention's machinery descending lifeline structural representation (front view).
Fig. 2 is the present invention's machinery descending lifeline structural representation (side view).
Below in conjunction with accompanying drawing and specific embodiment the present invention is explained further details:
The specific embodiment
The present invention machinery descending lifeline is aimed at the deficiency on the prior art, the innovation and creation that characteristics such as be based on delicate structure, simple to operate, speed-controllable and can hover are aloft carried out.
Consult Fig. 1, shown in Figure 2, the present invention's machinery descending lifeline mainly includes main slow descending device and hangs the suspension ring two large divisions that human body is used.
Described main slow descending device is constituted by handle 1, housing 2, long load-bearing fire prevention rope 3, rope sheave 4, connecting rod 5, brake block 6, the secondary 7 and one groups of directive wheels 8~10 of bicycle brake rubber block.
Described housing 2 upper and lower openings, lateral cross section (in the present embodiment, being illustrated main line of vision cross section) is tapered, has on lower end one sidewall of housing to supply handle 1 to prolong the hole that.
Described connecting rod 5 is fixed in the housing middle through pitman shaft; Secondary 7 (having adopted bicycle brake rubber block pair in the present embodiment) of the fixing brake rubber block in the upper end of connecting rod, bottom is provided with a branched shaft.
Described handle 1 right-hand member is connected with housing through little axle, and the left end of handle laterally prolongs outside the housing, and handle is connected with connecting rod is vertical through bearing pin, is the fulcrum rotation with little of right-hand member when spurring handle, and connecting rod moves downward simultaneously.
Described rope sheave 4 floats between a pair of brake rubber block secondary 7 and handle 1.
Described one group of directive wheel 8~10 comprise a pair of be fixed on housing open upper end place and side by side near driven folding wheel 8,9 and be positioned at the circuitous directive wheel 10 below the driven folding wheel.
Described long load-bearing fire prevention rope 3 upwards centered on rope sheave 4, one ends is pulled out by 8,9 above-mentioned on a pair of driven folding wheel, and the other end is derived through circuitous directive wheel 10, leans on the deadweight of restricting and sagging.
The present invention also designs on two side bodies of rope sheave and is provided with brake block 6.
The present invention machinery descending lifeline below the housing of main slow descending device, fixedly mount one be used to hang human body suspension ring 11, can be fixed on the housing wall through the suspension ring axle, it is good that suspension ring are the U type.
In Fig. 1; When burst fire-disasters such as breaking out of fire, the people can put on the safety harness of establishing fully in addition with an end bolt of restricting on indoor fixture (like steam heating pipe, footpost etc.);, climb out of on the U-shaped suspension ring 11 that oneself are hung on descending lifeline with the hook on the safety harness from window.This moment, handle 1 was horizontal, and promptly the people does not apply external force to it as yet.Under the effect of people's deadweight, rope sheave 4 is to conical shell 2 little end motions, through with two inclined-planes on the effect of brake block 6, extruding wedging load-bearing fire prevention rope 3 has produced very big frictional force, thereby has stoped rope sheave 4 to rotate, and realizes the auto-lock function of descending lifeline.When this function guaranteed that the operator does not apply external force to descending lifeline, mechanical descending lifeline can not descend along the load-bearing rope 3 of preventing fires, thus guarantor's safety.
When the people firmly spurred handle 1 downwards, handle 1 moved downward through pitman shaft drivening rod 5, made rope sheave 4 receive downward active force through brake rubber block secondary 7; Make rope sheave 4 move downward, promptly the big extreme direction towards conical shell 2 moves, and housing 2 and 6 wedging pressure declines to load-bearing fire prevention rope 3 of brake block; Frictional force reduces; Make that rope sheave 4 can normal rotation, descending lifeline descends with certain acceleration along load-bearing fire prevention rope 3, promptly accomplishes the function that descends.The mediator just can adjust the speed of decline to the size of handle 1 active force at this moment.
The present invention machinery descending lifeline structural design be to have considered that human body can not bear very big speed and the cause of acceleration, so the function that this device should possess deceleration and stop, promptly decrease speed is controlled.For making simple and convenient use of device, and guarantee safety, then design this device and have above-mentioned auto-lock function, realize self-locking through frictional force.
The control of descending lifeline decrease speed is that the effect through the secondary 7 pairs of rope sheaves 4 of bicycle brake rubber block realizes.When the people firmly spurs handle 1 downwards; Handle 1 drivening rod 5 moves downward, and connecting rod 5 drives bicycle brake rubber block secondary 7 and moves downward simultaneously, and this moment, bicycle brake rubber block secondary 7 was to pressing down the rope sheave 4 that floats; Make the rope sheave 4 that rotates receive certain function of friction; Thereby hindered the rotation of rope sheave 4, rope sheave 4 velocities of rotation reduce, thereby have reduced the decrease speed of descending lifeline.Can control descending lifeline thus evenly descends along certain speed.
In the decline process, when being in an emergency, or because of the panic handle 1 that unclamped that is nervous, descending lifeline can be realized self-locking, stop to descend, so the people does not fall with regard to not meeting accident.So descending lifeline has played the effect of safeguard protection.
The operation principle and the process of the present invention's machinery descending lifeline are: when mechanical descending lifeline is in off working state; Be that the people does not hang on the U type suspension ring 11 through safety harness; This moment, handle 1 was horizontal; Rope sheave 4 floats between brake rubber block pair and handle 1, and load-bearing fire prevention rope can freely-movable.Among Fig. 1, when burst fire-disasters such as breaking out of fire, the people will own be hung on the U-shaped suspension ring 11 through safety harness; Rope will receive very big impulsive force this moment, thereby make rope sheave 4 toward housing 2 little end motions, push load-bearing fire prevention rope 3 this moment; Produced very big frictional force on the fire prevention rope 3, down moved, promptly accomplished the function of self-locking in order to hinder rope sheave 4; This function can guarantee when not applying external force, and mechanical descending lifeline can not descend along the load-bearing rope 3 of preventing fires.
When firmly spurring handle 1 downwards; Handle 1 drivening rod 5 moves downward; Rope sheave 4 receives downward active force, make the rope sheave 4 and the pressure of 2 pairs of ropes of housing descend to some extent, thereby frictional force reduces; Can guarantee that then descending lifeline descends with certain acceleration along load-bearing fire prevention rope 3, promptly accomplishes the function that descends.The mediator just can adjust the speed of decline to the size of handle 1 active force at this moment.
In the decline process, staff release handle 1 when being in an emergency, people and descending lifeline just stop to descend because of self-locking, play the effect of safeguard protection.
Above-mentioned each embodiment can not depart from the scope of the present invention down in addition some variations, thus above explanation comprises and accompanying drawing shown in structure should be regarded as exemplary, but not in order to limit the protection domain that the present invention applies for a patent.

Claims (3)

1. mechanical descending lifeline is characterized in that comprising:
One main slow descending device has the housing of a upper and lower opening, and lateral cross section is tapered, has on the sidewall of housing to supply handle to prolong the hole that; One connecting rod is positioned in the middle of the housing, and the fixing brake rubber block in the upper end of connecting rod is secondary, and bottom is provided with a branched shaft; One handle, the handle right-hand member is connected with housing through little axle, and the left end of handle laterally prolongs outside the housing, and handle is connected with connecting rod is vertical through branched shaft, is the fulcrum rotation with little of right-hand member when spurring handle, and connecting rod moves downward simultaneously; One rope sheave floats between brake rubber block pair and handle; Establish a circuitous directive wheel below the fixing a pair of driven folding wheel at housing open upper end place, one of them driven folding wheel; Article one, long load-bearing fire prevention rope centered on rope sheave, and an end is by pulling out between a pair of driven folding wheel, and the other end is derived through circuitous directive wheel;
The suspension ring that are used to hang human body in the housing lower end of main slow descending device fixed installation one.
2. mechanical descending lifeline according to claim 1 is characterized in that: on two side bodies of rope sheave, be provided with brake block.
3. mechanical descending lifeline according to claim 1 is characterized in that: the said suspension ring that are used to hang human body are the U type.
CN2010102787210A 2010-09-09 2010-09-09 Mechanical descent control device Expired - Fee Related CN101966371B (en)

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Application Number Priority Date Filing Date Title
CN2010102787210A CN101966371B (en) 2010-09-09 2010-09-09 Mechanical descent control device

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Application Number Priority Date Filing Date Title
CN2010102787210A CN101966371B (en) 2010-09-09 2010-09-09 Mechanical descent control device

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CN101966371A CN101966371A (en) 2011-02-09
CN101966371B true CN101966371B (en) 2012-01-04

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103801032A (en) * 2012-11-10 2014-05-21 福建省连江县迅捷技术孵化有限公司 Descent control device
CN107510901B (en) * 2017-08-23 2022-11-18 西安科技大学 High-rise building emergency escape rescue speed control slow descending device and method
CN108992797A (en) * 2018-07-23 2018-12-14 安徽合众智信科技咨询有限公司 A kind of wind tower escape device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2919216A1 (en) * 1979-05-12 1980-11-20 Mittelmann Armaturen Rope speed limited abseiling mechanism - has single overhung pulley outside housing and driving gear for centrifugal brake
CN1281737A (en) * 1999-07-21 2001-01-31 杨力军 High-altitude safety flow-landing device
CN1827192A (en) * 2006-04-13 2006-09-06 杨玉申 Apparatus for descending from high-rise building safely
KR100754737B1 (en) * 2007-03-26 2007-09-03 김종익 A drop controller of emergency-escape-rope
CN201101824Y (en) * 2007-09-03 2008-08-20 常州市立元机械配件有限公司 Slowly lowering machine for escaping from high altitude
CN201799022U (en) * 2010-09-09 2011-04-20 北京工商大学 Mechanical high-building escape device

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Granted publication date: 20120104

Termination date: 20170909