CN103638609A - Descent controller damping device for metal particle medium - Google Patents
Descent controller damping device for metal particle medium Download PDFInfo
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- CN103638609A CN103638609A CN201310656418.3A CN201310656418A CN103638609A CN 103638609 A CN103638609 A CN 103638609A CN 201310656418 A CN201310656418 A CN 201310656418A CN 103638609 A CN103638609 A CN 103638609A
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- 238000013016 damping Methods 0.000 title claims abstract description 98
- 239000002923 metal particle Substances 0.000 title abstract 2
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 11
- 239000013528 metallic particle Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000004080 punching Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention discloses a descent controller damping device for a metal particle medium. A forward direction damping wheel and a reverse direction damping wheel are movably assembled inside the inner circle face of a box body at the same time, are opposite to each other at a certain interval and rotate in the reverse directions, wherein the diameter of the forward direction damping wheel and the diameter of the reverse direction damping wheel are equal, the opposite inner side faces of the two damping wheels are provided with a plurality of protruding edges which are evenly distributed, the part between the two damping wheels is filled with a certain number of steel balls, when the two damping wheels are driven by a rope winding mechanism or an acceleration mechanism of the rope winding mechanism to reversely rotate, the steel balls mutually collide and are squeezed with one another through the protruding edges on the side faces of the damping wheels, the damping function is formed for the rotation of the two damping wheels and cannot be effected or be out of operation even when water, oil and other lubricating media are added, the damping effect is obvious, and manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of high-altitude slow-descending equipment, be specifically related to a kind of descending lifeline damping unit of metallic particles medium.
Background technology
High-altitude lifesaving slow descender of the prior art, is generally comprised of three parts, i.e. rope winding mechanism, speed increasing mechanism (gear train) and damping unit.Damping unit majority is friction-type, and the centrifugal force by high-speed rotary part (centrifugal body) makes to produce friction between friction pair, and the rotary speed of restriction rope winding mechanism, reaches the slow object of falling.Friction-type damping unit is mainly comprised of the driver part and the friction pair (between centrifugal body and box body inner headed face) that drive centrifugal body to rotate, existing problems are: the descending lifeline that utilizes friction-type damping unit all water funk, be afraid of oil, once have between water, wet goods medium engaging friction pair, damping significantly reduces, and the even slow effect of falling was lost efficacy.
Non-friction type descending lifeline damping unit also has multiple, and as hydraulic damper, air damping device etc., its resisting medium is respectively liquid, gas, and damping operation principle is while utilizing liquid, gas flow, to run into catwalk drive unit is produced to resistance.Existing problems are that general structure is more complicated, and relatively high to the seal requirement after assembly precision, long-term placement, cost is also higher.
Summary of the invention
The deficiency existing for overcoming existing friction-type, hydraulic damping and air damping device, the invention provides a kind of descending lifeline damping unit of metallic particles medium, utilize the metallic particles of some to produce resistance and then reach the slow object of falling the fin on high-speed rotating component (drive unit).
The present invention adopts following technical scheme:
A kind of descending lifeline damping unit of metallic particles medium, comprise box body, axis, counter gear group, damping wheel, metallic particles, its major measure is: it is forward damping wheel and reverse damping wheel that two damping wheels that diameter is identical are set in box body, the two is oppositely arranged, at regular intervals, and assemble with box body inner headed face is movable simultaneously, two damping wheels and the equal concentric of box body inner headed face, the equally distributed fin of some quantity is set on the relative medial surface of two damping wheels, the metallic particles that packs some quantity in the space that two damping wheel medial surfaces and box body inner headed face surround into, two damping wheels are driven by rope winding mechanism or its speed increasing mechanism and always rotate backward each other while rotating.
Wherein, for two damping wheels are rotated backward each other, rope winding mechanism or its speed increasing mechanism are being in transmission connection in process with two damping wheels respectively, should make it at damping wheel, first be connected with counter gear group again and be fixedly connected with rope winding mechanism or its speed increasing mechanism, and then realize two damping wheels and rotate backward each other.
When two damping wheels reverse each other, near the metallic particles that the fin of each damping wheel by its side all can promote it is done circumferencial direction motion and axially traversing, in result box body, the metallic particles of both sides mutually clashes into, pushes, form thus the inhibition to two damping wheels, and this inhibition can be because not being affected or losing efficacy adding of water, wet goods lubricant medium.Damping wheel rotating speed is higher, and the interaction force between metallic particles is larger, also larger to the inhibition of damping wheel, finally reaches descending lifeline and travels at the uniform speed, and human body or weight at the uniform velocity fall.
Further, the shape of cross section of the fin of damping wheel side is isosceles triangle or isosceles trapezoid or symmetrical arc line shaped; The surface configuration of fin is even surface or is provided with some the longitudinal grooves that are arranged in parallel thereon.The object that some the longitudinal grooves that are arranged in parallel are set on fin surface is to increase damping action, reduce the slow reduction of speed degree of human body or weight, or when body weight is larger, use the descending lifeline with the fin of longitudinal groove, its falling speed of descending lifeline of comparing even surface fin can be relatively low; Fin height is larger, and damping action is also stronger.
Further, the fin of damping side wheel adopts punching press, casting or welding manner all can be made.
Further, the metallic particles packing into is more, and damping action is larger, but must not fill up, otherwise damping wheel rotational resistance is excessive, maybe cannot rotate.Metallic particles accounts for 80%～90% of space, the inner place of box body and can satisfy the demand.Metallic particles is steel ball or other metallic material particles.
Further, filling lubricating oil between metallic particles, is mainly to prevent that the serious corrosion of parts, the damping actions such as metallic particles, box body, damping wheel from increasing and causing human body or weight not to fall.
The invention has the beneficial effects as follows: descending lifeline damping unit that the metallic particles of take is resisting medium is not water funk, be not afraid of oil, slowly fall function and can not lose efficacy, and assembly precision and mechanism's seal require all lowlyer, overall cost is low.In metallic particles medium, add lubricating oil, when not affecting damping, can also prevent corrosion.
Below in conjunction with Fig. 1 to Fig. 8, the present invention is further described.
Accompanying drawing explanation
The descending lifeline structural representation of Fig. 1: embodiment 1;
The damping unit partial structurtes schematic diagram of Fig. 2: embodiment 1;
Fig. 3: punching structure fin longitudinal sectional view;
Fig. 4: entity structure fin longitudinal sectional view;
Fig. 5: the transverse views of fluted punching structure fin is established on surface;
Fig. 6: the transverse views of fluted entity structure fin is established on surface;
The counter gear group assembly relation schematic diagram of Fig. 7: embodiment 1;
The descending lifeline structural representation of Fig. 8: embodiment 2.
In each figure: 1: box body, 2: axis, 3: rope sheave, 4: planetary gear, 5: ring gear, 6: forward damping wheel, 7: metallic particles, 8: box body inner headed face, 9: reverse damping wheel, 10: gear C, 11: gear B, 12: gear A, 13: reversion driving gear, 14: reversion driven gear, 15: hollow shaft, 16: position-limiting tube, 17: fin, 18: central gear, 19: gear fixed axis, 20: fin groove.
Embodiment 1
Fig. 2 is descending lifeline damping unit (hereinafter to be referred as damping unit) the partial structurtes schematic diagram of a kind of granule medium provided by the invention, and the descending lifeline consisting of this damping unit and rope winding mechanism, speed increasing mechanism (gear train) and counter gear group as shown in Figure 1.The structure of this damping unit, as follows with assembly relation and the operation principle of other mechanism:
As shown in Figure 1, rope winding mechanism mainly comprises rope sheave 3 and axis 2; Speed increasing mechanism comprises planetary gear 4, ring gear 5 and central gear 18; As shown in Figure 1, Figure 7 shows, counter gear group is mainly comprised of reversion driving gear 13, gear A 12, gear B 11, gear C 10 and reversion driven gear 14.
In Fig. 1, rope sheave 3 and the movable assembling of axis 2, the gear shaft of planetary gear 4 (2 or 3) is fixedly mounted on rope sheave 3, planetary gear 4 meshes, meshes with central gear 18 with the ring gear 5 of box body respectively, central gear 18, forward damping wheel 6 all (are processed gap with the fixing assembling of hollow shaft 15 in hollow shaft, the axis hole of central gear 18, forward damping wheel 6 is driven respectively a keyway, adopts key connected mode between three).The other end of hollow shaft 15 is fixedly connected with reversion driving gear 13, assembles with reversion driven gear 14 is movable, the gear shaft of gear A 12 is fixed on box body, gear B 11, gear C 10 are structure as a whole and assemble with gear fixed axis 19 is movable, gear fixed axis 19 is fixed on box body, reversion driving gear 13 and gear A 12 engagements, gear A 12 meshes with gear B 11, and gear C 10 is fixedly connected with, synchronizes rotation with reversion driven gear 14 engagements, reversion driven gear 14 with reverse damping wheel 9.Forward damping wheel 6, oppositely 9 whiles of damping wheel and the movable assembling of box body inner headed face 8, the position-limiting tube 16 between forward damping wheel 6, reverse damping wheel 9 and hollow shaft 15 activity assemblings, for limiting the minimum spacing of two damping wheels.Rope sheave 3 is 1:4～1:5 with the rotating ratio of damping wheel.
Fig. 3 is the fin longitudinal sectional view of punching structure; Fig. 4 is entity structure fin longitudinal sectional view, can adopt casting or welding manner to be made; The transverse views that Fig. 5 establishes fluted punching structure fin for surface; The transverse views that Fig. 6 establishes fluted entity structure fin for surface, when steel ball is when the surface sliding of fin moves, groove makes steel ball increase the inhibition of fin, and damping strengthens; Fig. 7 is the counter gear group assembly relation schematic diagram in Fig. 1.
The spacing 17mm of two damping wheel relative inner faces, the fin quantity of each damping wheel is 4, and the shape of cross section of fin 17 is isosceles triangle, and fin highest point height is 8mm, and the width of fin the widest part is 12mm, fin length 28mm.When without punching press and Casting Equipment, can adopt welding manner to make the fin on damping wheel.In box body, pack metallic particles 7 into, metallic particles 7 is selected the steel ball of diameter 3mm, and all steel balls account for 85～90% of place spatial volume.By above-mentioned size, the minimum clearance between the fin on two damping wheels is 1mm.When if the spacing of two damping wheel relative inner faces is 20mm, both sides fin minimum clearance 4mm, can only pass through 1 steel ball.Fin gap is larger, and damping action is less.
When rope sheave 3 drives two damping wheels to rotate backward each other by speed increasing mechanism, counter gear group, near the steel ball that the fin of each damping wheel by its side all can promote it is done circumferencial direction motion and axially traversing, in result box body, the steel ball of both sides mutually clashes into, pushes, and forms thus the inhibition to two damping wheels.
As shown in Figure 8, whole descending lifeline is compared with the descending lifeline of embodiment 1, and rope winding mechanism, gear speed increasing mechanism, damping unit be not on same axis, but parallel separately layout interconnecting separately.In whole descending lifeline, all gears are external toothing common cylinder gear, advantage be easy to processing and fabricating, cost is low, shortcoming is that descending lifeline overall dimension is slightly large, but rotating speed specific energy realizes higher value, the rope sheave 3 in the present embodiment is 1:6 with the rotating ratio of damping wheel.Counter gear group is simplified, mainly reversion driving gear 13 and reversion driven gear 14, consists of.The speed increasing gear of rope sheave 3 by left side directly drives forward damping wheel 6 to rotate, rope sheave 3 by counter gear group after again the speed increasing gear by right side drive reverse damping wheel 9 to rotate, and two damping wheel concentrics, rotate backward each other.The movable assembling of box body inner headed face 8 and two damping wheels, and box body inner headed face is the inner surface of a unsteady pipe, do not need to fix.The operation principle of damping unit and effect are identical with embodiment 1.
Claims (3)
1. the descending lifeline damping unit of a metallic particles medium, comprise box body, axis, counter gear group, damping wheel, metallic particles, it is characterized in that: in box body, be provided with forward damping wheel and reverse damping wheel that diameter is identical, the two is oppositely arranged, at regular intervals, and assemble with box body inner headed face is movable simultaneously, two damping wheels and the equal concentric of box body inner headed face, on the relative medial surface of two damping wheels, be also provided with the equally distributed fin of some quantity, the metallic particles of some quantity is also housed in the space that two damping wheel medial surfaces and box body inner headed face surround, two damping wheels are driven by rope winding mechanism or its speed increasing mechanism and always rotate backward each other while rotating.
2. the descending lifeline damping unit of a kind of metallic particles medium according to claim 1, is characterized in that: the shape of cross section of the fin of damping wheel side is isosceles triangle or isosceles trapezoid or symmetrical arc line shaped.
3. the descending lifeline damping unit of a kind of metallic particles medium according to claim 1, is characterized in that: the surface configuration of fin is even surface or is provided with some the longitudinal grooves that are arranged in parallel thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656418.3A CN103638609B (en) | 2013-11-30 | 2013-11-30 | A kind of descending lifeline damping unit of metallic particles medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656418.3A CN103638609B (en) | 2013-11-30 | 2013-11-30 | A kind of descending lifeline damping unit of metallic particles medium |
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| CN103638609A true CN103638609A (en) | 2014-03-19 |
| CN103638609B CN103638609B (en) | 2016-01-20 |
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| CN201310656418.3A Active CN103638609B (en) | 2013-11-30 | 2013-11-30 | A kind of descending lifeline damping unit of metallic particles medium |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760840A (en) * | 2016-11-30 | 2017-05-31 | 中国建筑第八工程局有限公司 | Low Yield Point Steel consumes energy and particle energy-consumption damper |
| CN114100013A (en) * | 2021-12-07 | 2022-03-01 | 北华大学 | Friction and impact type descent control device damping device |
| CN114129921A (en) * | 2021-12-07 | 2022-03-04 | 北华大学 | Conical surface friction and impact type descent control device damping device |
| CN114642838A (en) * | 2022-03-10 | 2022-06-21 | 苏州普瑞川传动科技有限公司 | Damping mechanism, transmission mechanism and high-altitude slow descending device |
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| CN102423512A (en) * | 2011-12-29 | 2012-04-25 | 刘晓桐 | Slowly descending life saving device for high-rise building |
| CN102671315A (en) * | 2012-06-05 | 2012-09-19 | 刘晓桐 | Slowly-dropping escape device |
| CN202682587U (en) * | 2012-07-17 | 2013-01-23 | 张德芳 | Hydraulic damping type descending rescue device |
| CN203577163U (en) * | 2013-11-30 | 2014-05-07 | 北华大学 | Damping device using metal particles as damping medium for descent control device |
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2013
- 2013-11-30 CN CN201310656418.3A patent/CN103638609B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451032A (en) * | 1993-09-22 | 1995-09-19 | Bc Industrial Supply, Inc. | Dual purpose crane block |
| CN2386837Y (en) * | 1999-08-10 | 2000-07-12 | 孔庆成 | Electromagnetic slowly-landing appts. for building fire disaster |
| CN2519677Y (en) * | 2001-10-05 | 2002-11-06 | 赵英斌 | Life saving rope for ultrahigh storied building |
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| US20060207829A1 (en) * | 2005-03-16 | 2006-09-21 | Mauthner Kirk M | Combination descender, pulley and force limiting rope brake |
| CN201353383Y (en) * | 2009-02-20 | 2009-12-02 | 项怀韬 | Hydraulic damping high-rise escape slow descending device |
| CN101920073A (en) * | 2010-07-27 | 2010-12-22 | 福州大学 | Damping drum device and ball damping tall-building escape apparatus with same |
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| CN102671315A (en) * | 2012-06-05 | 2012-09-19 | 刘晓桐 | Slowly-dropping escape device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760840A (en) * | 2016-11-30 | 2017-05-31 | 中国建筑第八工程局有限公司 | Low Yield Point Steel consumes energy and particle energy-consumption damper |
| CN114100013A (en) * | 2021-12-07 | 2022-03-01 | 北华大学 | Friction and impact type descent control device damping device |
| CN114129921A (en) * | 2021-12-07 | 2022-03-04 | 北华大学 | Conical surface friction and impact type descent control device damping device |
| CN114100013B (en) * | 2021-12-07 | 2023-03-21 | 北华大学 | Friction and impact type descent control device damping device |
| CN114642838A (en) * | 2022-03-10 | 2022-06-21 | 苏州普瑞川传动科技有限公司 | Damping mechanism, transmission mechanism and high-altitude slow descending device |
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| Publication number | Publication date |
|---|---|
| CN103638609B (en) | 2016-01-20 |
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Inventor after: Zhang Xiaoqin Inventor before: Fang Limin Inventor before: Lv Xuehan Inventor before: Liu Hualing |
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Effective date of registration: 20170830 Address after: 300000 38 North Central North Road, Tianjin Binhai New Area, 2 Gate 401, Tanggu Patentee after: Zhang Xiaoqin Address before: 132013 Binjiang East Road, Fengman District, Jilin, China, No. 3999, No. Patentee before: Beihua University |
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Effective date of registration: 20180306 Address after: 223000 Beijing North Road, Huaian, Huaian, Jiangsu Patentee after: Jiangpu Huaian District Science and technology transformation service center Address before: 300000 38 North Central North Road, Tianjin Binhai New Area, 2 Gate 401, Tanggu Patentee before: Zhang Xiaoqin |
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Effective date of registration: 20220119 Address after: 223001 No. 58, Qinghe South Road, qingjiangpu District, Huai'an City, Jiangsu Province Patentee after: Huai'an qingjiangpu district market supervision comprehensive service center Address before: 223000 No.103, Beijing North Road, Huai'an City, Jiangsu Province Patentee before: Jiangpu Huaian District Science and technology transformation service center |