CN103252026B - The using method of descending lifeline and this descending lifeline - Google Patents
The using method of descending lifeline and this descending lifeline Download PDFInfo
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- CN103252026B CN103252026B CN201310169319.2A CN201310169319A CN103252026B CN 103252026 B CN103252026 B CN 103252026B CN 201310169319 A CN201310169319 A CN 201310169319A CN 103252026 B CN103252026 B CN 103252026B
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Abstract
The invention provides the using method of a kind of descending lifeline and this descending lifeline, comprise rotatable rope sheave (110), for described rope sheave (110) being fixed on the first fixture (140) in building structure, described rope sheave (110) periphery is wound with life line, and described rope sheave (110) middle part offers storage tank (112); The damping unit (130) for limiting described rope sheave (110) rotary speed is provided with in this storage tank (112); Descending lifeline provided by the invention, low price, using simple, by the damping unit in the present invention, making when not having Artificial Control and external force (as electric power) is auxiliary, make escape personnel safe, controlled, drop to ground rapidly.
Description
Technical field
The present invention relates to escape device for high-rise buildings, particularly relate to a kind of descending lifeline for high-rise life saving.
Background technology
Along with the development of urbanization process, skyscraper also gets more and more.Being used in of skyscraper improves urban land use rate, while representing cityscape, also brings some potential safety hazards.Such as, when the disaster such as breaking out of fire, earthquake, the people being in building high level generally not easily escape.
At present, seldom escaping tool is equipped with in skyscraper, when there is disaster, people on building high level can only be escaped by escape way or the mode waited for rescue substantially, when escape way blocks or rescue and relief work personnel fail to arrive in time, the life security of indicator of trapped personnel will be made to be subject to great threat, for the problems referred to above, be developed the escaping tools such as descending lifeline, but existing descending lifeline has some deficiency following: 1. original state damping is minimum, glide with maximal rate, cause escape personnel that the mode increasing damping can only be adopted to slow down decrease speed, as misoperation or descending lifeline break down, the potential safety hazard such as easily cause gliding speed too fast, 2. most descending lifeline all needs Artificial Control to decline, and generally is first actuation when escape personnel escapes, and easily flurried during escape, error easy to operate causes escapes unsuccessfully, 3. complex structure, manufacturing cost is high, is difficult to be widely applied, and is not generally accepted by masses.
Therefore, a kind of new escape device for high-rise buildings need be developed, when making it not need Artificial Control to decline, also escape personnel can be avoided to occur the phenomenon declined at a high speed, simultaneously, the cost of this kind of escape device for high-rise buildings also should reduce as far as possible, thus is convenient to popularize, and meets the level of consumption of all kinds of crowd.
Summary of the invention
The object of this invention is to provide a kind of descending lifeline, when making it not need Artificial Control to decline, there will not be the phenomenon that escape personnel declines at a high speed.
The technological means that the present invention solves its technical problem to be provided is:
The invention provides a kind of descending lifeline, comprise rotatable rope sheave, for described rope sheave being installed to the first fixture in building structure, described rope sheave periphery is wound with life line, offers storage tank in the middle part of described rope sheave; The damping unit for limiting described rope sheave rotary speed is provided with in this storage tank;
This damping unit comprises cylindrical shell, the slide bar that is fixed in described building structure; Upper surface and the lower surface of described cylindrical shell are respectively provided with sliding eye; Described slide bar is arranged in described sliding eye slidably, and is filled with heavy oil between described cylindrical shell and described slide bar; The two ends of described slide bar support on the inwall of the described storage tank of described rope sheave with can be movable relatively; Slidably the second piston is also arranged with in the middle part of described slide bar; This second piston is installed in described cylindrical shell, and the periphery of this second piston and the inwall of described cylindrical shell can relative sliding ground close contacts, and this second piston offers the oilhole that the described heavy oil of one or more confession passes through;
The inwall that the described slide bar of confession of described storage tank supports is a smooth surface closed, and under described rope sheave turning effort, described slide bar can be moved on the inwall of described storage tank with supporting, thus cause the relative sliding of described slide bar and described cylindrical shell.
In the descending lifeline that the present invention is above-mentioned, described rope sheave wheel face both sides are provided with the baffle plate departed from from described rope sheave for preventing described life line to be wrapped in the part on described rope sheave.
In the descending lifeline that the present invention is above-mentioned, described first fixture comprises a limiting plate; The side of described rope sheave is close in described limiting plate one end, and the other end vertically bends towards described building structure side, and extends at least one first column; This first column can be fixedly installed in described building structure, thus stops described rope sheave to slide axially along self.
In the descending lifeline that the present invention is above-mentioned, described storage tank bottom surface offers a fixing hole; The lid of assembly hole is offered in the middle part of fixedly embedded one in this fixing hole;
Described first fixture comprises a substrate, and this substrate one end is provided with the first flange towards described rope sheave, and the other end forms fixing second column on the substrate; Described first flange is slidably mounted in described assembly hole, and described second column for being fixed on wall, thus prevents described rope sheave along self to slide axially or along described building structure campaign.
In the descending lifeline that the present invention is above-mentioned, described slide bar comprises a guide post and two pulleys, and described two pulleys are rotatably installed in described guide post two ends respectively, and the second rotating shaft of described two pulleys is all vertical with described guide post; Described two pulleys rollably support on the inwall of the described storage tank of described rope sheave.
In the descending lifeline that the present invention is above-mentioned, the inwall that the described pulley of confession of described storage tank rollably supports be one close and have the smooth surface of a recess at least.
In the descending lifeline that the present invention is above-mentioned, described rope sheave also comprises rope sheave seat and one second fixture;
Described cylindrical shell is fixed on described building structure by described second fixture and described rope sheave seat.
In the descending lifeline that the present invention is above-mentioned, described rope sheave seat comprises cylinder base; This cylinder base is also provided with the first holddown groove; Described rope sheave seat is respectively provided with two the first pin holes in described cylinder base both sides;
Described second fixture comprises the fixed head of a U-shaped and is connected to two extension boards of this fixed head two-arm end, and this fixed head madial wall is provided with two the second holddown grooves; Extension board described in two is respectively arranged with two second pin holes corresponding with described first pin hole on described rope sheave seat;
Described cylindrical shell is cylindrical, outer wall is provided with second flange and two the 3rd flanges, the bearing of trend of described second flange is mutually vertical with the bearing of trend of two described 3rd flanges, described second flange embeds described first holddown groove on described cylinder base, described two the 3rd flanges embed described two second holddown grooves of described second fixture respectively, thus described second fixture and described cylinder base are closely fixed together with described cylindrical shell respectively;
Described second fixture penetrates described second pin hole of its extension board described in two again by pin, corresponding to described first pin hole on described rope sheave seat again, hammer into described building structure, thus described cylindrical shell and described rope sheave seat are fixed in described building structure.
In the descending lifeline that the present invention is above-mentioned, described guide post comprise one in the axial direction on be provided with the outer bar of piston hole, described piston hole two opening part of this outer bar is each is airtightly built-in with slidably first piston, the inner in the described piston hole of described outer bar of first piston described in two is linked together by spring, and the outer end that first piston described in two stretches out piston hole described in described outer bar is respectively provided with described pulley;
Described spring is in compressive state, makes the described pulley on described slide bar all rollably support on the inwall of the described storage tank of described rope sheave;
Described outer bar is arranged in the described sliding eye on the upper and lower surface of described cylindrical shell slidably, is filled with described heavy oil between itself and described cylindrical shell;
Slidably described second piston is also arranged with in the middle part of described outer bar.
In the descending lifeline that the present invention is above-mentioned, between the described sliding eye on described outer bar and the upper and lower surface of described cylindrical shell, being provided with leak-proof device, spilling for preventing the described heavy oil in described cylindrical shell.
In the descending lifeline that the present invention is above-mentioned, the solid line that be projected as figure shown in of inner wall edge in the plane perpendicular to described rope sheave first rotating shaft that the described storage tank of described rope sheave rollably supports for described pulley.
In the descending lifeline that the present invention is above-mentioned, described slide bar comprises a guide post and is arranged on the hemispheric slip flange at these guide post two ends coaxially.
In the descending lifeline that the present invention is above-mentioned, the inwall that the confession described slip flange of described storage tank supports slidably is projected as circle, its center of circle and the projection non-overlapping copies of described first rotating shaft in the plane perpendicular to the first rotating shaft described in described rope sheave in the plane perpendicular to described rope sheave first rotating shaft.
In the descending lifeline that the present invention is above-mentioned, described rope sheave also comprises the rope sheave seat be fixedly mounted in by screw or pin in described building structure;
Described rope sheave seat is provided with the defining flange of vertical bar shaped; Described cylinder body outer wall offers and this defining flange stopper slot accordingly, described defining flange is embedded in described stopper slot slidably, thus described cylindrical shell is slidably mounted on described rope sheave seat.
Present invention also offers a kind of using method of above-mentioned descending lifeline, comprise the following steps:
S1) the described escaping rope one end be wrapped on described rope sheave is tied up with it user;
S2) user is to jumping downstairs, and now described rope sheave rotates under the effect of escape personnel's gravity; Meanwhile, the inwall that the described slide bar of confession of described storage tank supports slidably rotates with same direction with described first rotating shaft of described rope sheave, thus the described slide bar slided with supporting on this storage tank inwall is slided up and down relative to described cylindrical shell;
S3) the described heavy oil and in described cylindrical shell to the generation resistance that moves up and down of described guide post, and then can produce resistance to the rotary motion of described rope sheave, thus reduces the speed that user declines;
The health gravity of the resistance that the rotary motion of heavy oil to described rope sheave S4) in described cylindrical shell produces and user reaches balance, thus makes user close to slowly declining evenly.
Descending lifeline provided by the invention, low price, using simple, by the damping unit in the present invention, making when not having Artificial Control and external force (as electric power) is auxiliary, make escape personnel safe, controlled, drop to ground rapidly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of the first embodiment of a kind of descending lifeline 100 of the present invention;
Fig. 2 is the schematic diagram of a preferred embodiment of the first fixture 140 ' of the present invention;
Fig. 3 is the schematic diagram of a preferred embodiment of the first fixture 140 of the present invention;
Fig. 4 is the schematic perspective view of the first fixture 140 described in Fig. 3;
Fig. 5 is the front view of a preferred embodiment of the first fixture 140 〞 of the embodiment of the present invention;
Fig. 6 is the view of the other direction of the first fixture 140 〞 shown in Fig. 5;
Fig. 7 is the schematic diagram of the rope sheave seat 150 of the descending lifeline 100 shown in Fig. 1;
Fig. 8 is the structural representation of the descending lifeline 100 shown in Fig. 1;
Fig. 9 is the schematic diagram of the damping unit 130 shown in Fig. 8;
Figure 10 is the schematic diagram of the second fixture 120 shown in Fig. 8;
Figure 11 is the schematic diagram of the slide bar 134 shown in Fig. 9;
The schematic diagram of the projection of inwall in the plane perpendicular to described rope sheave 110 first rotating shaft that Figure 12 rollably supports for pulley 133 for the storage tank 112 shown in Fig. 2;
Figure 13 is the schematic diagram of the first motion state of the descending lifeline 100 shown in Fig. 8;
Figure 14 is the schematic diagram of the second motion state of the descending lifeline 100 shown in Fig. 8;
The schematic diagram of the 3rd motion state that Figure 15 is the descending lifeline 100 shown in Fig. 8;
Figure 16 is the schematic diagram of the second embodiment of a kind of descending lifeline 100 of the present invention;
Figure 17 is the assembling schematic diagram of the descending lifeline 100 shown in Figure 16;
Figure 18 is the schematic diagram of the defining flange 160 shown in Figure 16;
Figure 19 is the schematic diagram of the damping unit 130 shown in Figure 16;
Figure 20 is the schematic diagram of the first motion state of the descending lifeline 100 shown in Figure 16;
Figure 21 is the schematic diagram of the second motion state of the descending lifeline 100 shown in Figure 16;
The schematic diagram of the 3rd motion state that Figure 22 is the descending lifeline 100 shown in Figure 16;
The schematic diagram of the 4th motion state that Figure 23 is the descending lifeline 100 shown in Figure 16.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
First embodiment
Fig. 1 shows the first embodiment of a kind of descending lifeline 100 of the present invention, this descending lifeline 100 comprises rotatable rope sheave 110, for this rope sheave 110 is fixed on building structure (as building exterior wall face, balcony outer wall) the first fixture 140(figure in be embodiment 140 〞 of the first fixture 140); Rope sheave 110 periphery is wound with life line (not shown); Particularly, one end of this life line ties up on the wheel face of this rope sheave 110 securely, the other end is provided with the lasso trick device (not shown) for firmly pinioning escape personnel's health; Meanwhile, rope sheave 110 wheel face both sides can also be provided with the baffle plate (not shown) departed from from rope sheave 110 for preventing life line to be wrapped in the part on rope sheave 110.
With reference to Fig. 1 or Fig. 2, in the middle part of rope sheave 110, offer the opening storage tank relative with building structure 112; This storage tank 112 bottom surface can be closed, also can offer a through hole.
When this storage tank 112 bottom surface is closed, the first fixture 140 can be designed to only to stop rope sheave 110 along self fixture in axial sliding; With reference to Fig. 3 and Fig. 4, this first fixture 140 comprises a limiting plate 141; The side of rope sheave 110 is close in limiting plate 141 one end, and the other end vertically bends towards building structure side, and extends at least one first column 1411, and this first column 1411 can be fixedly installed in building structure, thus stops rope sheave 110 to slide axially along self; Preferably, with reference to Fig. 5 and Fig. 6, this first fixture 140 〞 is a Y-delta frame, and the end of its three branches vertically bends towards the same side, and extends three the first columns 1411 '; These three the first columns 1411 ' are fixedly mounted in building structure, make the side being close to rope sheave 110 in the middle part of this Y-delta frame, thus stop rope sheave 110 to slide axially along self, as shown in Figure 1.
In a first embodiment, storage tank 112 bottom surface offers a fixing hole 1112; The lid 111 of assembly hole 1111 is offered in the middle part of fixedly embedded one, as shown in Figure 2 in this fixing hole 1112.
Lid 111 is a transparency cover, for observing storage tank 112 inner body maintenance state.
First fixture 140 ' can be designed to the fixture stoping rope sheave 110 along self axis or building structure campaign; With reference to Fig. 2, this first fixture 140 ' comprises a substrate 1412, and this substrate 1412 one end is provided with the first flange 1413 towards rope sheave 110, and other end formation one is fixed on the second column 1414 on substrate 1412; The first flange 1413 on this substrate 1412 is slidably mounted in assembly hole 1111, and the second column 1414 is for being fixed on wall, thus the first fixture 140 ' is fixed in building structure, prevent rope sheave 110 along self axis or building structure campaign.
With reference to Fig. 7 and Fig. 8, rope sheave 110 also comprises rope sheave seat 150 and one second fixture 120;
The damping unit 130 for limiting rope sheave 110 rotary speed is provided with in storage tank 112.
This damping unit 130 comprises cylindrical shell 131, slide bar 134 that is fixed in building structure, as shown in Figure 9;
With reference to Fig. 7, rope sheave seat 150 comprises cylinder base 151; This cylinder base 151 is also provided with the first holddown groove 1511; Rope sheave seat 150 is respectively provided with two the first pin holes 1512 in cylinder base 151 both sides.
With reference to Figure 10, the second fixture 120 comprises the fixed head of a U-shaped and is connected to two extension boards of this fixed head two-arm end, and this fixed head madial wall is provided with two the second holddown grooves 1201; Two extension boards are respectively arranged with two second pin holes 1202 corresponding with the first pin hole 1512 on rope sheave seat 150;
With reference to Fig. 9, cylindrical shell 131 is cylindrical, outer wall is provided with second flange 137 and two the 3rd flanges 136, the bearing of trend of the second flange 137 is mutually vertical with the bearing of trend of two the 3rd flanges 136, second flange 137 embeds the first holddown groove 1511 on cylinder base 151, two the 3rd flanges 136 embed two the second holddown grooves 1201 of the second fixture 120 respectively, thus the second fixture 120 and cylinder base 151 are closely fixed together with cylindrical shell 131 respectively;
With reference to Fig. 8, the second fixture 120 penetrates the second pin hole 1202 of its two extension board again by pin, more corresponding the first pin hole 1512 passed on rope sheave seat 150, hammers into building structure, thus cylindrical shell 131 and rope sheave seat 150 is fixed in building structure.The upper surface of cylindrical shell 131 and lower surface are also respectively provided with a sliding eye (not shown);
With reference to Figure 11, slide bar 134 comprises a guide post 132 and two pulleys, 133, two pulleys 133 are rotatably installed in guide post 132 two ends respectively, and the second rotating shaft of two pulleys 133 is all vertical with guide post 132.
Particularly, guide post 132 comprise one in the axial direction on be provided with the outer bar 1321 of piston hole, piston hole two opening part of this outer bar 1321 is each is airtightly built-in with slidably first piston 1322, the inner in the piston hole of two first pistons 1322 bar 1321 is outside linked together by spring 1323, and the outer end that two first pistons 1322 stretch out outer bar 1321 piston hole is respectively provided with pulley 133;
Spring 1323 is in compressive state always, makes the pulley 133 on slide bar 134 all rollably support on the inwall of the storage tank 112 of rope sheave 110;
Outer bar 1321 is arranged in the sliding eye on the upper and lower surface of cylindrical shell 131 slidably, is filled with heavy oil between itself and cylindrical shell 131; Being provided with leak-proof device between the sliding eye on outer bar 1321 and the upper and lower surface of cylindrical shell 131, spilling for preventing the heavy oil in cylindrical shell 131.
Slidably the second piston 135 is also arranged with in the middle part of outer bar 1321; This second piston 135 is installed in cylindrical shell 131, and its peripheral inwall with cylindrical shell 131 can relative sliding ground close contact, and this second piston 135 offers at least one oilhole (not shown) passed through for heavy oil.
The inwall rollably supported for pulley 133 of storage tank 112 be one close and have the smooth surface of a recess 1110 at least.Particularly, in a first embodiment, the solid line that be projected as Figure 12 shown in of inner wall edge in the plane perpendicular to rope sheave 110 first rotating shaft that rollably support for pulley 133 of the storage tank 112 of rope sheave 110.
Solid line shown in Figure 12 is formed by following means: first draw the first circle that three radiuses are less and tangent between two, draw the second larger circle of three radiuses again in described three first circle outsides, each second circle is circumscribed with two first circles in three first circles respectively; Described first circle and the adjacent part-circular periphery of the second circle form described solid line, for determining the inner wall shape of described storage tank 112.
Using method in first embodiment of descending lifeline 100 comprises the following steps:
S1) the escaping rope one end be wrapped on rope sheave 110 is tied up with it user;
S2) user is to jumping downstairs, and now rope sheave 110 is rotated counterclockwise under the effect of escape personnel's gravity; Simultaneously, storage tank 112 inwall that rope sheave 110 is close to by one of them pulley 133 rolls, storage tank 112 inwall recess along rope sheave 110 climbs, guide post 132 is moved downward along the sliding eye of cylindrical shell 131 upper surface and lower surface, and then drive fixed cover the second piston 135 be located on guide post 132 to be close to cylindrical shell 131 inwall slide downward, as shown in figure 13; And the heavy oil in cylindrical shell 131 can produce resistance to the motion that guide post 132 is downward, and then resistance is produced to the rotary motion of rope sheave 110, reduce the speed that user declines;
S3) with reference to Figure 14, when the position of the recess that pulley 133 moves to storage tank 112 inwall of rope sheave 110 near the first rotating shaft of rope sheave 110, this pulley 133 just starts to glide along the recess of storage tank 112 inwall of rope sheave 110, guide post 132 is moved upward along the sliding eye of cylindrical shell 131 upper surface and lower surface, and then drive fixed cover the second piston 135 be located on guide post 132 to be close to cylindrical shell 131 inwall upward sliding, as shown in figure 15; And the heavy oil in cylindrical shell 131 can produce resistance to guide post 132 motion upwards, and then resistance is produced to the rotary motion of rope sheave 110, reduce the speed that user declines;
The health gravity of the resistance that the rotary motion of heavy oil to rope sheave 110 S4) in cylindrical shell 131 produces and user reaches balance, thus makes user close to slowly declining evenly.
Second embodiment
Figure 16 shows the second embodiment of a kind of descending lifeline 100 of the present invention, and this descending lifeline 100 comprises rotatable rope sheave 110, not shown in the figures for the first fixture 140(this rope sheave 110 being fixed on building structure (as building exterior wall face, balcony outer wall)); Rope sheave 110 periphery is wound with life line (not shown); Particularly, one end of this life line ties up on the wheel face of this rope sheave 110 securely, the other end is provided with the lasso trick device (not shown) for firmly pinioning escape personnel's health; Meanwhile, rope sheave 110 wheel face both sides can also be provided with the baffle plate (not shown) departed from from rope sheave 110 for preventing life line to be wrapped in the part on rope sheave 110.
With reference to Figure 16, rope sheave 110 offers the opening storage tank relative with building structure 112; This storage tank 112 bottom surface can be closed, also can offer a through hole.
When this storage tank 112 bottom surface is closed, the first fixture 140 can be designed to only to stop rope sheave 110 along self fixture in axial sliding; With reference to Fig. 3 and Fig. 4, this first fixture 140 comprises a limiting plate 141; The side of rope sheave 110 is close in limiting plate 141 one end, and the other end vertically bends towards building structure side, and extends at least one first column 1411, and this first column 1411 can be fixedly installed in building structure, thus stops rope sheave 110 to slide axially along self; Preferably, with reference to Fig. 5 and Fig. 6, this first fixture 140 〞 is a Y-delta frame, and the end of its three branches vertically bends towards the same side, and extends three the first columns 1411 '; These three the first columns 1411 ' are fixedly mounted in building structure, make the side being close to rope sheave 110 in the middle part of this Y-delta frame, thus stop rope sheave 110 to slide axially along self.
With reference to Figure 17, in a second embodiment, storage tank 112 bottom surface offers a fixing hole 1112; Fixedly embedded in this fixing hole 1112 have lid 111; This lid 111 is a transparency cover, for observing storage tank 112 inner body maintenance state.
Further, this lid 111 offers assembly hole 1111, make this assembly hole 1111 when this lid 111 is fixedly embedded in fixing hole 1112, be in the middle part of rope sheave 110.
First fixture 140 ' can be designed to the fixture stoping rope sheave 110 along self axis or building structure campaign; With reference to Figure 17, this first fixture 140 ' comprises a substrate 1412, and this substrate 1412 one end is provided with the first flange 1413 towards rope sheave 110, and other end formation one is fixed on the second column 1414 on substrate 1412; The first flange 1413 on this substrate 1412 is slidably mounted in assembly hole 1111, and the second column 1414 is for being fixed on wall, thus the first fixture 140 ' is fixed in building structure, prevent rope sheave 110 along self axis or building structure campaign.
With reference to Figure 16, in storage tank 112, be provided with the damping unit 130 for limiting rope sheave 110 rotary speed.
This damping unit 130 comprises cylindrical shell 131, slide bar 134 that is fixed in building structure, as shown in figure 16;
With reference to Figure 18, rope sheave 110 also comprises the rope sheave seat 150 be fixedly mounted in by screw or pin (not shown) in building structure; This rope sheave seat 150 is provided with the defining flange 160 of vertical bar shaped;
With reference to Figure 19, cylindrical shell 131 outer wall offers and this defining flange 160 stopper slot 161 accordingly, defining flange 160 is embedded in stopper slot 161 slidably, thus make cylindrical shell 131 be slidably mounted on rope sheave seat 150; The upper surface of cylindrical shell 131 and lower surface are also respectively provided with a sliding eye (not shown);
With reference to Figure 19, slide bar 134 comprises a guide post 132 and is arranged on the hemispheric slip flange 138 at these guide post 132 two ends coaxially.
With reference to Figure 19, guide post 132 is arranged in the sliding eye on the upper and lower surface of cylindrical shell 131 slidably, and the slip flange 138 on it supports all slidably on the inwall of the storage tank 112 of rope sheave 110; Heavy oil is filled with between itself and cylindrical shell 131; Being provided with leak-proof device between the sliding eye on guide post 132 and the upper and lower surface of cylindrical shell 131, spilling for preventing the heavy oil in cylindrical shell 131.
With reference to Figure 16, in the middle part of guide post 132, be also arranged with slidably the second piston 135; This second piston 135 is installed in cylindrical shell 131, and its peripheral inwall with cylindrical shell 131 can relative sliding ground close contact, and this second piston 135 offers multiple oilhole (not shown) passed through for heavy oil;
The inwall supported slidably for slip flange 138 of storage tank 112 is projected as circle, its center of circle and the projection non-overlapping copies of the first rotating shaft in the plane perpendicular to rope sheave 110 first rotating shaft in the plane perpendicular to rope sheave 110 first rotating shaft.
The using method of the second embodiment of descending lifeline 100 comprises the following steps:
S1) the escaping rope one end be wrapped on rope sheave 110 is tied up with it user;
S2) user is to jumping downstairs, and now rope sheave 110 is rotated counterclockwise under the effect of escape personnel's gravity; Simultaneously, the inwall supplying slip flange 138 to support slidably of storage tank 112 is rotated counterclockwise with rope sheave 110 first rotating shaft, thus the slide bar 134 slided with supporting on this storage tank 112 inwall is slided up and down, as shown in Figure 20, Figure 21, Figure 22 and Figure 23 relative to cylindrical shell 131;
S3) heavy oil and in cylindrical shell 131 to the generation resistance that moves up and down of guide post 132, and then can produce resistance to the rotary motion of rope sheave 110, reduces the speed that user declines;
The health gravity of the resistance that the rotary motion of heavy oil to rope sheave 110 S4) in cylindrical shell 131 produces and user reaches balance, thus makes user close to slowly declining evenly.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (15)
1. a descending lifeline, comprise rotatable rope sheave (110), for described rope sheave (110) being installed to the first fixture (140) in building structure, described rope sheave (110) periphery is wound with life line, it is characterized in that, described rope sheave (110) middle part offers storage tank (112); The damping unit (130) for limiting described rope sheave (110) rotary speed is provided with in this storage tank (112);
This damping unit (130) comprises cylindrical shell (131), the slide bar (134) that is fixed in described building structure; Upper surface and the lower surface of described cylindrical shell (131) are respectively provided with sliding eye; Described slide bar (134) is arranged in described sliding eye slidably, and is filled with heavy oil between described cylindrical shell (131) and described slide bar (134); The two ends of described slide bar (134) support on the inwall of the described storage tank (112) of described rope sheave (110) with can be movable relatively; Described slide bar (134) middle part is also arranged with slidably the second piston (135); This second piston (135) is installed in described cylindrical shell (131), the periphery of this second piston (135) and the inwall of described cylindrical shell (131) can relative sliding ground close contacts, and this second piston (135) offer the oilhole that the described heavy oil of one or more confession passes through;
The inwall that the described slide bar of confession (134) of described storage tank (112) supports is a smooth surface closed, can under described rope sheave (110) turning effort, described slide bar (134) is moved on the inwall of described storage tank (112) with supporting, thus causes the relative sliding of described slide bar (134) and described cylindrical shell (131).
2. descending lifeline according to claim 1, it is characterized in that, described rope sheave (110) wheel face both sides are provided with the baffle plate departed from from described rope sheave (110) for preventing described life line to be wrapped in the part on described rope sheave (110).
3. descending lifeline according to claim 2, is characterized in that, described first fixture (140) comprises a limiting plate (141); The side of described rope sheave (110) is close in described limiting plate (141) one end, and the other end vertically bends towards described building structure side, and extends at least one first column (1411); This first column (1411) can be fixedly installed in described building structure, thus stops described rope sheave (110) to slide axially along self.
4. descending lifeline according to claim 2, is characterized in that, described storage tank (112) bottom surface offers a fixing hole (1112); The lid (111) of assembly hole (1111) is offered in the middle part of fixedly embedded one in this fixing hole (1112);
Described first fixture (140) comprises a substrate (1412), this substrate (1412) one end is provided with the first flange (1413) towards described rope sheave (110), and other end formation one is fixed on the second column (1414) on described substrate (1412); Described first flange (1413) is slidably mounted in described assembly hole (1111), described second column (1414) for being fixed on wall, thus prevents described rope sheave (110) along self to slide axially or along described building structure campaign.
5. the descending lifeline according to claim 3 or 4, it is characterized in that, described slide bar (134) comprises a guide post (132) and two pulleys (133), described two pulleys (133) are rotatably installed in described guide post (132) two ends respectively, and the second rotating shaft of described two pulleys (133) is all vertical with described guide post (132); Described two pulleys (133) rollably support on the inwall of the described storage tank (112) of described rope sheave (110).
6. descending lifeline according to claim 5, it is characterized in that, the inwall that the described pulley of confession (133) of described storage tank (112) rollably supports be one close and have the smooth surface of a recess (1110) at least.
7. descending lifeline according to claim 6, is characterized in that, described rope sheave (110) also comprises rope sheave seat (150) and one second fixture (120);
Described cylindrical shell (131) is fixed on described building structure by described second fixture (120) and described rope sheave seat (150).
8. descending lifeline according to claim 7, is characterized in that, described rope sheave seat (150) comprises cylinder base (151); This cylinder base (151) is also provided with the first holddown groove (1511); Described rope sheave seat (150) is respectively provided with two the first pin holes (1512) in described cylinder base (151) both sides;
Described second fixture (120) comprises the fixed head of a U-shaped and is connected to two extension boards of this fixed head two-arm end, and this fixed head madial wall is provided with two the second holddown grooves (1201); Extension board described in two is respectively arranged with two second pin holes (1202) corresponding with described first pin hole (1512) on described rope sheave seat (150);
Described cylindrical shell (131) is for cylindrical, outer wall is provided with second flange (137) and two the 3rd flanges (136), the bearing of trend of described second flange (137) is mutually vertical with the bearing of trend of two described 3rd flanges (136), described second flange (137) embeds described first holddown groove (1511) on described cylinder base (151), described two the 3rd flanges (136) embed described two second holddown grooves (1201) of described second fixture (120) respectively, thus described second fixture (120) and described cylinder base (151) are closely fixed together with described cylindrical shell (131) respectively,
Described second fixture (120) penetrates described second pin hole (1202) of its extension board described in two again by pin, corresponding to described first pin hole (1512) on described rope sheave seat (150) again, hammer into described building structure, thus described cylindrical shell (131) and described rope sheave seat (150) are fixed in described building structure.
9. descending lifeline according to claim 8, it is characterized in that, described guide post (132) comprise one in the axial direction on be provided with the outer bar (1321) of piston hole, described piston hole two opening part of this outer bar (1321) is each is airtightly built-in with slidably first piston (1322), first piston described in two (1322) the inner in the described piston hole of described outer bar (1321) is linked together by spring (1323), the outer end that first piston described in two (1322) stretches out the described piston hole of described outer bar (1321) is respectively provided with described pulley (133),
Described spring (1323) is in compressive state, makes the described pulley (133) on described slide bar (134) all rollably support on the inwall of the described storage tank (112) of described rope sheave (110);
Described outer bar (1321) is arranged in the described sliding eye on described cylindrical shell (131) upper and lower surface slidably, is filled with described heavy oil between itself and described cylindrical shell (131);
Described outer bar (1321) middle part is also arranged with slidably described second piston (135).
10. descending lifeline according to claim 9, it is characterized in that, being provided with leak-proof device between the described sliding eye on described outer bar (1321) and described cylindrical shell (131) upper and lower surface, spilling for preventing the described heavy oil in described cylindrical shell (131).
11. descending lifelines according to claim 10, it is characterized in that, the solid line that be projected as Figure 12 shown in of inner wall edge in the plane perpendicular to described rope sheave (110) first rotating shaft that the described storage tank (112) of described rope sheave (110) rollably supports for described pulley (133).
12. descending lifelines according to claim 3 or 4, it is characterized in that, described slide bar (134) comprises a guide post (132) and is arranged on the hemispheric slip flange (138) at this guide post (132) two ends coaxially.
13. descending lifelines according to claim 12, the inwall that confession described slip flange (138) of described storage tank (112) supports slidably is projected as circle, its center of circle and the projection non-overlapping copies of described first rotating shaft in the plane perpendicular to described first rotating shaft of described rope sheave (110) in the plane perpendicular to described rope sheave (110) first rotating shaft.
14. descending lifelines according to claim 13, is characterized in that, described rope sheave (110) also comprises the rope sheave seat (150) be fixedly mounted in by screw or pin in described building structure;
Described rope sheave seat (150) is provided with the defining flange (160) of vertical bar shaped; Described cylindrical shell (131) outer wall offers and this defining flange (160) stopper slot (161) accordingly, described defining flange (160) is embedded in described stopper slot (161) slidably, thus described cylindrical shell (131) is slidably mounted on described rope sheave seat (150).
The using method of 15. 1 kinds of descending lifelines as described in claim 5-14 any one, is characterized in that, comprises the following steps:
S1) the escaping rope one end be wrapped on described rope sheave (110) is tied up with it user;
S2) user is to jumping downstairs, and now described rope sheave (110) rotates under the effect of escape personnel's gravity; Simultaneously, the inwall that the described slide bar of confession (134) of described storage tank (112) supports slidably rotates with same direction with the first rotating shaft of described rope sheave (110), thus the described slide bar (134) slided with supporting on this storage tank (112) inwall is slided up and down relative to described cylindrical shell (131);
S3) the described heavy oil and in described cylindrical shell (131) can to the generation resistance that moves up and down of described guide post (132), and then resistance is produced to the rotary motion of described rope sheave (110), thus reduce the speed of user's decline;
The health gravity of the resistance that the rotary motion of heavy oil to described rope sheave (110) S4) in described cylindrical shell (131) produces and user reaches balance, thus makes user close to slowly declining evenly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310169319.2A CN103252026B (en) | 2013-05-09 | 2013-05-09 | The using method of descending lifeline and this descending lifeline |
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| CN201310169319.2A CN103252026B (en) | 2013-05-09 | 2013-05-09 | The using method of descending lifeline and this descending lifeline |
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| CN103252026B true CN103252026B (en) | 2015-12-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106364581B (en) * | 2016-08-30 | 2018-09-14 | 山东交通学院 | A kind of domestic emergency device |
| CN109573904B (en) * | 2018-10-25 | 2020-07-10 | 李才 | Lifting sliding descending device |
| CN112076402A (en) * | 2020-10-30 | 2020-12-15 | 亿安居智能科技(广东)有限公司 | Double-hydraulic-cylinder descent control device and working method thereof |
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| GB1316278A (en) * | 1970-02-03 | 1973-05-09 | Elmer J L | Descent device |
| CN2238061Y (en) * | 1995-09-06 | 1996-10-23 | 张士忠 | Slow lowering device for emergency life-saving |
| CN2420019Y (en) * | 2000-02-18 | 2001-02-21 | 邵卫东 | Life saving device for high stored building |
| CN201500387U (en) * | 2009-10-13 | 2010-06-09 | 魏宏春 | Reciprocating high building escape descending control device |
| CN202409878U (en) * | 2011-12-29 | 2012-09-05 | 刘晓桐 | Descent-control escape device for high building |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1316278A (en) * | 1970-02-03 | 1973-05-09 | Elmer J L | Descent device |
| CN2238061Y (en) * | 1995-09-06 | 1996-10-23 | 张士忠 | Slow lowering device for emergency life-saving |
| CN2420019Y (en) * | 2000-02-18 | 2001-02-21 | 邵卫东 | Life saving device for high stored building |
| CN201500387U (en) * | 2009-10-13 | 2010-06-09 | 魏宏春 | Reciprocating high building escape descending control device |
| CN202409878U (en) * | 2011-12-29 | 2012-09-05 | 刘晓桐 | Descent-control escape device for high building |
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