CN201337768Y

CN201337768Y - Reciprocating descent control device

Info

Publication number: CN201337768Y
Application number: CNU2008202060562U
Authority: CN
Inventors: 胡玉新
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-25
Filing date: 2008-12-25
Publication date: 2009-11-04
Anticipated expiration: 2018-12-25

Abstract

The utility model relates to a reciprocating descent control device which comprises an outer shell and a principal shaft, a driving mechanism, a transmission mechanism, a damping subassembly and a bearing rope, which are arranged in the outer shell. The bearing rope is wound in a rope slot of the driving mechanism; the driving mechanism rotates around the principal shaft under the pull of the bearing rope; the driving mechanism drives the principal shaft to rotate through the transmission mechanism; and the principal shaft is connected with the damping subassembly. The reciprocating descent control device is characterized in that the driving mechanism comprises a first half shell, a second half shell and a third half shell; the first half shell and the second half shell are oppositely fixed and the rope slot is formed between the first half shell and the second half shell; the second half shell and the third half shell are oppositely buckled with each other to form an inner shell; the damping shell is arranged in the inner shell; and the first half shell matches with the transmission mechanism. The reciprocating descent control device is reliable, simple and compact in structure, low in making cost and simple to make.

Description

The reciprocation type descending lifeline

Technical field

The utility model relates to a kind of fire-extinguishing and lifesaving equipment, and is particularly a kind of for the reciprocation type descending lifeline of people in the skyscraper escape.

Background technology

Along with the skyscraper in city is on the increase, the height of floor is constantly increased, and high-rise closeness continues to increase, and how the personnel of skyscraper drop at face in critical situation, to break away from dangerous situation as early as possible, become the city speedily carry out rescue work in very important major issue.When emergency situation took place, because the high building road is limited, also possible road was not smooth, and the personnel that are confined in high building often are difficult to save oneself; The personnel that are confined in high building need the external world of specialty to rescue personnel more, use equipment such as aerial ladder, helicopter to sue and labour, though general aerial ladder reaches about 50 meters, need certain ground space, and relief modes such as helicopter can not arrive each corner by the general utmost point.Therefore, for make people can be comprehensive, promptly flee from dangerous situation, need a kind of safe and reliable, continuous, quick, volume is little, adapts to the device of skyscraper escape.

The reciprocal lifesaving descent control device of a kind of friction is disclosed in Chinese patents number is 200520082803.2 utility model, it comprises shell body, the driving mechanism that is provided with in the shell body, main shaft, transmission mechanism, damper assembly and steel cable, shell body is by a left side, right shell body is involutory to be formed by connecting, the main shaft two ends are connected on the housing of the left and right sides respectively rotationally, driving mechanism is can be around the driving wheel of main shaft rotation, transmission mechanism comprises the sun gear that is contained on the main shaft, planetary gear and internal gear, driving wheel and internal gear are connected as a single entity, be processed with on the driving wheel for head-rope around grooving.There are some bad places in this structure, and driving wheel is that die casting forms and processes grooving separately, causes processing inconvenient, and the cost height.

The utility model content

Technical problem to be solved in the utility model provides a kind of reciprocation type descending lifeline, uses in the escape of emergency situation for people, and low cost of manufacture and manufacturing are simple.

For solving the problems of the technologies described above, the utility model comprises main shaft, driving mechanism, transmission mechanism, damper assembly and the head-rope that is provided with in shell body, the shell body; Head-rope is looped around in the grooving of driving mechanism, and driving mechanism centers on the main shaft rotation with the pulling of head-rope, and driving mechanism rotates by the transmission mechanism drive shaft, and main shaft is connected with damper assembly; It is characterized in that: described driving mechanism comprises the first half housings, the second half housing and the 3 half housings; The first half housings and the second half housing is opposing fixedly installs form described grooving betwixt; The second half relative inner housings that are buckled into of housing with the 3 half housing, described damper assembly is arranged in the inner housing; The first half housings cooperate with described transmission mechanism.

By such scheme as can be known, the steel cable groove is just formed simply by the opposing connection of two and half housings, significantly reduce processing capacity, each half shell structure is simple, can contrast machined with punching press, the advantage that high conformity, the production cost that stamping parts has element precision height, part be low, can reuse, thus make that the utility model cost is low, quality conformance good.

A kind of preferred version of the present utility model is, described the first half housings are identical with the structure of described the second half housings, the 3 half housing.This scheme makes and adds man-hour at punching press contrast processing machine, only needs to use a mould, convenient widely processing.

Another kind of preferred version of the present utility model is, described shell body by left shell, right shell body is involutory is formed by connecting, described transmission mechanism comprise the sun gear of coaxial setting on the main shaft, the planetary gear that is meshed with sun gear, and described the first half housings in along the internal gear that is meshed with planetary gear of last installing, described left shell end face is provided with gear shaft, and described planetary gear is arranged on this gear shaft.By this scheme as can be known, the secondary transmission by transmission mechanism can make main shaft and driving mechanism do rightabout rotation, also drives damper assembly and driving mechanism and does rightabout rotation, thereby make friction better between the inwall of damper assembly and inner housing.

Another preferred version of the present utility model is, described damper assembly also comprise be set on the connecting rod, to replace described centrifugal spring away from major axes orientation.This scheme has increased the certain initial frictional between damper assembly and the inner housing, has reduced the acceleration when personnel have just fallen.

Description of drawings

Fig. 1 is the cutaway view of the utility model embodiment one;

Fig. 2 is the schematic diagram of the utility model embodiment one transmission mechanism;

Fig. 3 is a kind of structural representation of second housing of the utility model embodiment one;

Fig. 4 is the outside drawing of the utility model embodiment one;

Fig. 5 is the cutaway view of the utility model embodiment two.

The specific embodiment

In conjunction with Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of specific embodiment of the utility model is: the reciprocation type descending lifeline comprises main shaft 3, driving mechanism, transmission mechanism, damper assembly and the head-rope 8 that is provided with in suspension ring 5, shell body 101, the shell body.Wherein, shell body 101 constitutes by the identical left shell 1 of structure, right shell body 2 are involutory; Driving mechanism comprises the first half identical housings 11 of structure, the second half housing the 12, the 3 half housings 13; Transmission mechanism comprises sun gear 21, planetary gear 22 and internal gear 23; Damper assembly comprises connecting rod 32, spring 33 and centrifugal 31.

Suspension ring 5 fixedly are connected on the shell body upper end, main shaft is arranged in the shell body rotationally, match with bearing 4 on left shell 1 and the right shell body 2 respectively in its two ends, the main shaft left part is provided with sun gear 21, sun gear 21 is connected for flat axle with main shaft 3, left shell 1 inner face is provided with two rooted tooth wheel shafts 24, on the two rooted tooth wheel shafts 24 planetary gear 22 is set respectively, planetary gear 22 is meshed with sun gear 21, the first half housings 11, the second half housing the 12, the 3 half housing 13 covers are through on the main shaft, and matching with bearing 4 merges and can rotate around main shaft 3.The first half housings 11 are provided with limit circular hole 123 (combining Fig. 3) with the second half housings 12, the opposing connection forms " V " type grooving 9 to the first half housings 11 at limit circular hole 123 places by bolt 7 with the second half housings 12, the first half housings 11, the second half housings 12 select to have certain flexible material, make " V " type groove clamp head-rope 8 better, prevent that head-rope 8 from skidding; The second half housings, the 3 half housing have last circular hole 121 (in conjunction with Fig. 3), the second half housings 12 and the 3 half housing 13 by bolt at the involutory inner housing 102 that connects and composes in last circular hole 121 places, circular hole 122 (in conjunction with Fig. 3) during the interior edge of the first half housings 11 is provided with, middle circular hole 122 places by screw with internal gear 23 installing within it along on, internal gear 23 is meshed with planetary gear 22.

Installing suppresses the damper assembly of main shaft 3 quick rotation in inner housing 102; Damper assembly comprises that be contained on the main shaft two turn moving connecting rod 32 by main shaft 3, and connecting rod 32 is provided with centrifugal 31 that can do to radially slide; Between main shaft 3 and centrifugal 31 spring 33 is housed on the connecting rod, spring 33 two ends are being replaced main shaft 3 and centrifugal 31 respectively, make centrifugal 31 and described inner housing between have certain initial frictional; Head-rope 8 is looped around on the grooving 9 and passes rope pipe 6 on left shell 1 bottom, and head-rope 8 two ends are equipped with the safety belt (not shown), and the length of head-rope 8 is set according to different floors.

When the skyscraper floor has an accident and when needing self-lifesaving, suspension ring 5 of the present utility model are connected with fixed hook in being located at floor, the safety belt of steel head-rope 8 one ends is placed in people's waist and tightens up, Salvee person breaks away to fall from floor, spur head-rope 8 by the gravity effect of human body, drive described driving mechanism unitary rotation by grooving 9 and since centrifugal 31 with inner housing 102 between have certain initial frictional, reduced the human body acceleration of whereabouts just; Internal gear 23 rotates along with the rotation of driving mechanism, thereby drive two planetary gears 22 and do the speedup rotation, and make sun gear 21 quick rotation, main shaft 3 is along with sun gear 21 is done to rotate on the contrary with driving mechanism, and drivening rod 32 and centrifugal 31 do centrifugal rotation, the inwall of centrifugal 31 outer surface and inner housing 102 is fitted produce the also moment of friction that increases with rotating speed of corresponding formation of the frictional force that increases with rotating speed, moment of friction forces main shaft 3 to slow down and does slowly to rotate, making driving mechanism do even the deceleration by described transmission mechanism simultaneously rotates, be slowed to until the driving mechanism rotating speed that can to make weight be 35KG does at the uniform velocity to fall with the slow reduction of speed degree that meets national regulation to the personnel between the 100KG, realized that Salvee person is by head-rope 8 bottom surfaces of arriving safe and sound that slowly descend; The safety belt of the other end of head-rope 8 rises to personnel simultaneously and breaks away from the floor place, and other Salvee persons proceed oneself's relief.So come and go, can make a plurality of Salvee persons flee from the scene of the accident fast.

Shown in Figure 5 is another kind of embodiment of the present utility model, and present embodiment is a damper assembly with the different places of last embodiment; The damper assembly of reciprocation type descending lifeline comprises that cover is through several piece first friction plate 41 on the main shaft, is contained in several piece second friction plate, 42, the first friction plates 41 and the arrangement of second friction plate 42 of the second half housings 12 and the 3 half housing 13 junctions with being separated by extruding in the present embodiment; Also can on the face of first, second friction plate joint, be provided with wear-resisting material; When first friction plate 41 along with main shaft 3 rotates, second friction plate 42 is along with inner housing 102 rotates, produce frictional force between first, second friction plate and correspondingly form bigger moment of friction, the rotating speed of main shaft 3 and inner housing 102 is become greatly lentamente, make personal security land sinking speed before within the slow reduction of speed degree scope of national regulation.

Certainly, technical conceive of the present utility model is not limited in the foregoing description, for those of ordinary skills, without the simple replacement of creative work, still belongs to the scope that the utility model discloses based on the utility model.For example: the structure of left shell 1 and right shell body 2 can be inequality; Shell body 101 also can be assembled in the mode of upper and lower casing; Grooving 9 can be other shapes; The first half housings 11, the second half housings 12 and the 3 half housing 13 structures can not be identical; Can also be provided with second damper assembly that is connected with main shaft that is provided with in second inner housing that involutes by the 4 half housing and the 5 half housing and second inner housing in the described shell body, the second inner housing cover is through on the described main shaft, the 4 half housing and opposing the fixedly installing of described the 3 half housing, second damper assembly are the damper assembly among embodiment one or the embodiment two; Multiple sets of teeth wheel shaft 24 and corresponding planetary gear 22 can be set; Damper assembly among the embodiment one can comprise that many group connecting rods 32 reach corresponding centrifugal 31; Can enclose more wear-resisting material at the inwall of inner housing 102.

Claims

1, a kind of reciprocation type descending lifeline comprises the main shaft, driving mechanism, transmission mechanism, damper assembly and the head-rope that are provided with in shell body, the shell body; Head-rope is looped around in the grooving of driving mechanism, and driving mechanism centers on the main shaft rotation with the pulling of head-rope, and driving mechanism rotates by the transmission mechanism drive shaft, and main shaft is connected with damper assembly; It is characterized in that: described driving mechanism comprises the first half housings, the second half housing and the 3 half housings; The first half housings and the second half housing is opposing fixedly installs form described grooving betwixt; The second half relative inner housings that are buckled into of housing with the 3 half housing, described damper assembly is arranged in the inner housing; The first half housings cooperate with described transmission mechanism.

2, reciprocation type descending lifeline according to claim 1 is characterized in that: described the first half housings are identical with the structure of the second half housings, the 3 half housing.

3, reciprocation type descending lifeline according to claim 1, it is characterized in that described shell body by left shell, right shell body is involutory is formed by connecting.

4, reciprocation type descending lifeline according to claim 3, it is characterized in that: described transmission mechanism comprise the sun gear of coaxial setting on the main shaft, the planetary gear that is meshed with sun gear, and described the first half housings in along the internal gear that is meshed with planetary gear of last installing, described left shell end face is provided with gear shaft, and described planetary gear is arranged on this gear shaft.

5, reciprocation type descending lifeline according to claim 4 is characterized in that: described gear shaft and the planetary gear that upward is provided with thereof are two groups, are arranged on described sun gear both sides symmetrically.

6, reciprocation type descending lifeline according to claim 4, it is characterized in that: also be provided with second damper assembly that is connected with main shaft that is provided with in second inner housing that involutes by the 4 half housing and the 5 half housing and second inner housing in the shell body, the second inner housing cover is through on the described main shaft, the 4 half housing and opposing the fixedly installing of described the 3 half housing.

7, according to any described reciprocation type descending lifeline of claim 1 to 6, it is characterized in that: described damper assembly comprises that at least one turns moving connecting rod by main shaft and be arranged on the connecting rod centrifugal that can slide along connecting rod.

8, reciprocation type descending lifeline according to claim 7 is characterized in that: described damper assembly also comprise be set on the connecting rod, to replace described centrifugal spring away from major axes orientation.

9, according to any described reciprocation type descending lifeline of claim 1 to 6, it is characterized in that: described damper assembly comprises that cover is through several piece first friction plate on the main shaft, is contained in several piece second friction plate of the second half housings and the 3 half housing junction, the arrangement of described first friction plate and described second friction plate with being separated by extruding.