CN1554458A - Hydaulic speed regulating type slow landing jack ladder escape device - Google Patents
Hydaulic speed regulating type slow landing jack ladder escape device Download PDFInfo
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- CN1554458A CN1554458A CNA2003101127389A CN200310112738A CN1554458A CN 1554458 A CN1554458 A CN 1554458A CN A2003101127389 A CNA2003101127389 A CN A2003101127389A CN 200310112738 A CN200310112738 A CN 200310112738A CN 1554458 A CN1554458 A CN 1554458A
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Abstract
The emergency escape device for high rise building consists of jack ladder, guide track, chain wheel, speed varying mechanism, hydraulic speed regulating controller, etc. It is used for person in high rise building to escape in emergency. The present invention has the advantages of no need of outer driving force, relatively smooth lowering speed and no floating motion.
Description
Affiliated technical field
The present invention relates to tier building emergency escape device, refer in particular to Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus, be applicable to when public place of entertainment, office building, apartment, multi-storey building etc. are located breaking out of fire, earthquake and catastrophe, on-the-spot trapped personnel can be out of danger safely by chain ladder release apparatus of the present invention under helpless situation.
Background technology
How to solve the problem of on-the-spot trapped personnel safety escape during high-rise building emergency, perplexing the researcher of departments such as building and fire-fighting always.Up to now, the ideal product that has dropped into practical application does not almost have, and people have proposed some methods of dealing with problems from every side, have adopt rope slow that fall, have and lodge directly landing of cushion, these all are individual flight behaviors, and its security and operability are not ideal enough.When many ropes twist together mutually, confusion will take place, when the people is hung in when rocking in the air, being difficult at heart of people bears.Patent CN1212167A proposes rotary life-saving ladder for high storied buildings, adopts rope ladder to delay and falls, and its stability and operability also are difficult to satisfy actual needs.Utility model patent 2267826 proposes escape device for high-rise buildings, adopts single-stranded structure to transmit, and its balance and the long-term factors such as distortion that cause of placing are difficult to enter practical state equally.From technical elements, some are adopted concentrated slow in order program analysis of falling, how automatic adjusting problem to slow decline is all proposed, how to guarantee in actual applications by the delivery personnel under various loaded-up conditions, its reduction of speed remains in certain scope, and this technology is vital to the specific implementation of any release apparatus.
Summary of the invention
The purpose of this utility model provides a kind of practical, safe and reliable Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus that is suitable for high-rise building emergency escape.
The utility model is achieved in that
This device comprises chain ladder, last lower sprocket, the metal (upper seat, it is characterized in that: be provided with through going into the gear that the riding chain wheel shaft links to each other with upper sprocket wheel, and gear connects through bent axle and links to each other with Hydraulic Adjustable Speed formula controller, Hydraulic Adjustable Speed formula controller links to each other with generator through connecting axle, and chain ladder vertically is installed in the emergency escape passage of skyscraper reservation, and its guide rail is fixed on the wall of passage.
Gear adopts the one-level speed change, and gear wheel and pinion form gear, and pinion drives bent axle, and it is indoor reciprocating at pressure cylinder that bent axle drives piston by connecting rod.
Hydraulic Adjustable Speed formula controller comprises connecting rod, piston, pressure cylinder chamber, Flow-rate adjustment cylinder, be furnished with two hydraulic flows in a side of cylinder wall and regulate cylinder, an oily exchange current metering-orifice is arranged in its porch, at the Flow-rate adjustment cylinder interior 3 flow tapering bars are arranged, what be complementary with it is a pressure piston, three pressure piston flow oilholes are arranged on pressure piston, bar height adjusting nut is housed on screw rod, the Flow-rate adjustment spring is housed on the lower dead center push rod, has several flows to flow freely the hole in the bottom of Flow-rate adjustment cylinder.
Two upper sprocket wheels are located at the both sides at guide rail top respectively, two lower sprockets are located at the both sides of guide rail bottom respectively, chain of the common engagement of lower sprocket on every limit, on two chains, every a segment distance, and on the node of correspondence, a shaped piece is set, a crosspiece is installed on the shaped piece of two chain correspondences.
Gear and automatic speed-limiting controller are sealed in the fuel tank, go into and adopt the mechanical seal ring sealing between riding chain wheel shaft and the fuel tank, also are to adopt the mechanical seal ring sealing between connecting axle and the fuel tank, and lower sprocket is fixed on the flexible step.
Flexible step is made up of fork-shaped pedestal, blind plate, bearing holder (housing, cover), spring, pressing plate, securing cover plate, standing screw and adjusting screw(rod), spring is housed above the bearing holder (housing, cover), pressing plate is arranged above it, the three all embeds in the fork-shaped pedestal, securing cover plate is pressed on the fork-shaped pedestal, form an integral body, blind plate is fixed on the bearing holder (housing, cover) by four screws, and adjusting screw(rod) is pushed down pressing plate.
An electric fan is settled in exit in the release apparatus bottom, and its power supply is powered by engine.
This device has following advantage:
(1) need not outer power, rely on on-the-spot salvage's deadweight acting purely, utilize this energy to generate electricity simultaneously, for illumination and blower fan provide the energy.
(2) have the Hydraulic Adjustable Speed automatic controller, can make on-the-spot salvage can realize that substantially constant speed descends, the ground of arriving safe and sound, when personnel increased, the hydraulic pressure automatic speed governor can automatically strengthen damping.Make decrease speed keep constant.
(3) adopted the chain ladder structure, the device stable working is reliable, has solved the unbalanced problem of strand, can not appear at the phenomenon that is stuck in the decline process.
(4) adopted the closed hydraulic pressure structure, because gear and speed regulator all be immersed in the oil, can be not with age and malfunctioning.Because this release apparatus ordinary circumstance all is in idle state, unavoidably by corrosion, in urgent need, loses due effect, the present invention has taken into full account this point.
(5) on the basis of the 4th characteristics, make the regular maintenance amount minimum of this device, only need a small amount of mechanism in the outside lubricating oil of adding some points is got final product.
(6) bearing base adopts flexible structure, has solved chain effectively under long-term suspension status and the telescopic variation problem that causes under all temps condition, provides assurance for this device normally moves.
Description of drawings
Below in conjunction with embodiment shown in the drawings the present invention further is illustrated.
Fig. 1 is the general structure schematic diagram of this device.
Fig. 2 is the chain ladder structure chart
Fig. 3 is the chain ladder partial top view
Fig. 4 is the schematic diagram that is in transmission connection between sprocket wheel, hydraulic oil container, gear, automatic speed-limiting controller, the generator
Fig. 5 is the structure and the fundamental diagram of gear and Hydraulic Adjustable Speed formula controller
Fig. 6 is the structure and the fundamental diagram of Flow-rate adjustment cylinder
Fig. 7 is the assembling schematic diagram of flexible step
Among Fig. 1-7,1-fuel tank wherein, 2-Hydraulic Adjustable Speed formula controller, 3-generator, the 4-upper sprocket wheel, the 5-top chock, 6-gear, 7-are gone into the riding chain wheel shaft, the 8-crosspiece, 9-chain, 10-adjusting screw(rod), 11-cable, connect wheel under the 12-, the flexible step of 13-, 14-spring, 15-bearing holder (housing, cover), the 16-electric fan, 17-steady pin, 18-shaped piece, 19-guide rail, the 20-chain ladder, 21-mechanical seal ring, 22-connecting axle, 23-gear wheel, the 24-pinion, 25-bent axle, 26-blind plate, 27, the 29-connecting rod, the 28-oil tank wall, 30-holder, 31-Flow-rate adjustment cylinder, 32-piston, 33-pressure cylinder chamber, 34-cylinder wall, 35-piston flow oilhole, the 36-casing wall, 37-oil exchange current metering-orifice, 38-pressure piston, 39-pressure piston flow oilhole, 40-flow tapering bar, 41-Flow-rate adjustment spring, 42-lower dead center push rod, the 43-flow flows freely the hole, 44-bar height adjusting nut, the 45-screw rod, 46-standing screw, 47-securing cover plate, the 48-pressing plate, 49-blind plate, 50-fork-shaped pedestal.
The specific embodiment
As shown in Figure 1, this device by last lower sprocket (4,12), chain ladder (20), go into riding chain wheel shaft (7), flexible step (13), hydraulic oil container (1), gear (6), Hydraulic Adjustable Speed formula controller (2), generator (3) and be located at the porch and form by the blower fan (16) of cable (11) power supply by engine (3).Wherein chain ladder (20) vertically is installed in the emergency escape passage of skyscraper reservation, and its guide rail (19) is fixed on the wall of passage.Two upper sprocket wheels (4) are located at the both sides at guide rail (19) top respectively, and two lower sprockets (12) are located at the both sides of guide rail (19) bottom respectively, the common engagement of a lower sprocket chain (9) on every limit.
Shown in Fig. 2,3, chain ladder (20) is made up of guide rail (19), shaped piece (18), crosspiece (8) and chain (9).Article two, on the chain,, and on the node of correspondence, a shaped piece (18) is set, on the shaped piece of two chain correspondences, a crosspiece (8) is installed through steady pin (17) every a segment distance.When distress personnel was pedaled chain ladder (20), under the effect of deadweight, chain ladder (20) drove upper sprocket wheel (4), upper sprocket wheel (4) drives riding chain wheel shaft (7) and rotates.
As Fig. 4, shown in 5, gear (6) and Hydraulic Adjustable Speed formula controller (2) are sealed in the fuel tank (1), adopt riding chain wheel shaft (7) to be connected between gear (6) and the upper sprocket wheel (4), go into to adopt between riding chain wheel shaft (7) and the fuel tank (1) mechanical seal ring (21) sealing, be connected with bent axle (26) between Hydraulic Adjustable Speed formula controller (2) and the gear (6), be connected with connecting axle (22) between Hydraulic Adjustable Speed formula controller (2) and the generator (3), also be to adopt mechanical seal ring (21) sealing between connecting axle (22) and the fuel tank (1), lower sprocket (12) is fixed on the flexible step (13).
As shown in Figure 5, gear (6) is made up of the one-level gear drive, and sprocket shaft (7) drives gear wheel (23), and gear wheel (23) drives pinion (24), pinion (24) drives bent axle (25) and rotates, and bent axle (25) is transformed into the reciprocating motion of piston (32) through linkage rotatablely moving.Wherein Hydraulic Adjustable Speed formula controller (2) is made up of piston (32), pressure cylinder chamber (33) and Flow-rate adjustment cylinder (31).Flow-rate adjustment cylinder (31) is made up of pressure piston (38), flow tapering bar (40), Flow-rate adjustment spring (41), lower dead center push rod (42), the high adjusting nut of bar (44) and screw rod (45).The reciprocating motion of piston (32), the oil circuit in inside are to form by piston flow oilhole (35), and oil circuit externally is to flow freely hole (43) by the flow among Fig. 6 to form.
As shown in Figure 6, Hydraulic Adjustable Speed formula controller (2) comprises connecting rod, piston (32), pressure cylinder chamber (33), Flow-rate adjustment cylinder (31), in Flow-rate adjustment cylinder (31) inside 3 flow tapering bars (40) are arranged, what be complementary with it is a pressure piston (38), three pressure piston flow oilholes (39) are arranged on pressure piston (38), bar height adjusting nut (44) is housed on screw rod (45), for guaranteeing personnel more after a little while, oil circuit has bigger aperture, is provided with Flow-rate adjustment spring (41); For guarantee personnel more for a long time oil circuit can not close extremely, be provided with lower dead center push rod (42) and the high adjusting nut of bar (44).And there are several flows to flow freely hole (43) in the bottom of Flow-rate adjustment cylinder (31).Hydraulic pressure in pressure cylinder chamber (33) increases, transmit pressure by oily exchange current metering-orifice (37), promote pressure piston (38), the position of this pressure piston (38) changes along with the size of pressure, promptly the position on flow tapering bar (40) is different, make the aperture of pressure piston flow oilhole (39) change, promptly oil circuit changes along with the size of pressure, and pressure increases, oil circuit diminishes, flowed friction increases, otherwise flowed friction reduces.
As shown in Figure 7, flexible step (13) is made up of adjusting screw(rod) (10), standing screw (46), securing cover plate (47), pressing plate (48), spring (14), bearing holder (housing, cover) (15), blind plate (49) and fork-shaped pedestal (50).Spring (14) is housed above the bearing holder (housing, cover) (15), pressing plate (48) is arranged above the spring (14), the three all embeds in the fork-shaped pedestal (50), securing cover plate (47) is pressed on the fork-shaped pedestal (50), form an integral body, bearing holder (housing, cover) (15) can be free to slide in fork-shaped pedestal (50), and blind plate (49) is fixed on the bearing holder (housing, cover) (15) by four screws.Adjusting screw(rod) (10) is pushed down pressing plate (48).Because bearing and lower sprocket (12) are fixed together, after variable elongation took place chain (9), under the effect of spring (14), impeller-hub bearing sleeve (15) drove lower sprocket (12) and makes chain (9) tension to lower slider.When chain (9) is caught a cold when shortening, spring (14) is compressed that bearing holder (housing, cover) (15) is gone up is sliding, realizes self-regulating effect.
Claims (7)
1. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus, it comprises chain ladder (20), last lower sprocket (4,12), metal (upper seat (5,13), it is characterized in that: be provided with through going into the gear (6) that riding chain wheel shaft (7) links to each other with upper sprocket wheel (4), and gear (6) links to each other with the automatic speed-limiting controller through bent axle (25), the automatic speed-limiting controller is a Hydraulic Adjustable Speed formula controller (2), it links to each other with generator (3) through connecting axle (22), chain ladder (20) vertically is installed in the emergency escape passage of skyscraper reservation, and its guide rail (19) is fixed on the wall of passage.
2. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus according to claim 1, it is characterized in that: gear (6) adopts the one-level speed change, gear wheel (23) forms gear with pinion (24), pinion (24) drives bent axle (25), and it is reciprocating in pressure cylinder chamber (33) that bent axle (25) drives piston (32) by connecting rod (27,29).
3. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus according to claim 1, it is characterized in that: Hydraulic Adjustable Speed formula controller (2) comprises connecting rod, piston (32), pressure cylinder chamber (33), Flow-rate adjustment cylinder (31), be furnished with two hydraulic flows in a side of cylinder wall (34) and regulate cylinder (31), in the porch of Flow-rate adjustment cylinder (31) an oily exchange current metering-orifice (37) is arranged, in Flow-rate adjustment cylinder (31) inside 3 flow tapering bars (40) are arranged, what be complementary with it is a pressure piston (38), three pressure piston flow oilholes (39) are arranged on pressure piston (38), bar height adjusting nut (44) is housed on screw rod (45), Flow-rate adjustment spring (41) is housed on lower dead center push rod (42), has several flows to flow freely hole (43) in the bottom of Flow-rate adjustment cylinder (31).
4. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus according to claim 1, it is characterized in that: two upper sprocket wheels (4) are located at the both sides at guide rail (19) top respectively, two lower sprockets (12) are located at the both sides of guide rail (19) bottom respectively, the common engagement of a lower sprocket chain (9) on every limit, on two chains, every a segment distance, and on the node of correspondence, a shaped piece (18) is set, a crosspiece (8) is installed on the shaped piece of two chain correspondences.
5. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus according to claim 1, it is characterized in that: gear (6) and Hydraulic Adjustable Speed formula controller (2) are sealed in the hydraulic oil container (1), go into to adopt between riding chain wheel shaft (7) and the hydraulic oil container (1) mechanical seal ring (21) sealing, also be to adopt mechanical seal ring (21) sealing between connecting axle (22) and the hydraulic oil container, connect wheel (12) down and be fixed on the flexible step (13).
6. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus according to claim 1, it is characterized in that: step is flexible step (13), it is by fork-shaped pedestal (50), blind plate (49), bearing holder (housing, cover) (15), spring (14), pressing plate (48), securing cover plate (47), standing screw (46) and adjusting screw(rod) (10) are formed, spring (14) is housed above the bearing holder (housing, cover) (15), pressing plate (48) is arranged above the spring (14), the three all embeds in the fork-shaped pedestal (50), securing cover plate (47) is pressed on the fork-shaped pedestal (50), form an integral body, blind plate (49) is fixed on the bearing holder (housing, cover) (15) by four screws, and adjusting screw(rod) (10) is pushed down pressing plate (48).
7. Hydraulic Adjustable Speed formula slow-lowering chain ladder release apparatus according to claim 1 is characterized in that: an electric fan (16) is settled in the exit in the release apparatus bottom, and its power supply is powered by engine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101127389A CN1308047C (en) | 2003-12-24 | 2003-12-24 | Hydaulic speed regulating type slow landing jack ladder escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101127389A CN1308047C (en) | 2003-12-24 | 2003-12-24 | Hydaulic speed regulating type slow landing jack ladder escape device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1554458A true CN1554458A (en) | 2004-12-15 |
| CN1308047C CN1308047C (en) | 2007-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101127389A Expired - Fee Related CN1308047C (en) | 2003-12-24 | 2003-12-24 | Hydaulic speed regulating type slow landing jack ladder escape device |
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| CN (1) | CN1308047C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920074A (en) * | 2010-08-10 | 2010-12-22 | 江苏大学 | High-rise escape machine and automatic control method for escape |
| LT5975B (en) | 2010-11-19 | 2013-11-25 | Shaodun He | An airborne descent apparatus |
| LT5976B (en) | 2011-01-31 | 2013-11-25 | Shaodun He | An airborne decent apparatus |
| CN103721351A (en) * | 2013-12-11 | 2014-04-16 | 胡瀛 | High-rise escape device |
| CN104190007A (en) * | 2014-09-22 | 2014-12-10 | 高家荣 | High-rise lifesaving chain-shaped escalator |
| CN107789754A (en) * | 2017-10-17 | 2018-03-13 | 苏州诚满信息技术有限公司 | A kind of intelligent escape system and its control method based on high-rise |
| CN110980475A (en) * | 2019-12-12 | 2020-04-10 | 天台云层自动化科技有限公司 | Automatic lift prevents falling fire ladder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558401Y (en) * | 2002-06-17 | 2003-07-02 | 蔡登凯 | Emergency ladder for lowering person from building |
-
2003
- 2003-12-24 CN CNB2003101127389A patent/CN1308047C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920074A (en) * | 2010-08-10 | 2010-12-22 | 江苏大学 | High-rise escape machine and automatic control method for escape |
| CN101920074B (en) * | 2010-08-10 | 2012-05-23 | 江苏大学 | High-rise escape machine and automatic control method for escape |
| LT5975B (en) | 2010-11-19 | 2013-11-25 | Shaodun He | An airborne descent apparatus |
| LT5976B (en) | 2011-01-31 | 2013-11-25 | Shaodun He | An airborne decent apparatus |
| CN103721351A (en) * | 2013-12-11 | 2014-04-16 | 胡瀛 | High-rise escape device |
| CN104190007A (en) * | 2014-09-22 | 2014-12-10 | 高家荣 | High-rise lifesaving chain-shaped escalator |
| CN107789754A (en) * | 2017-10-17 | 2018-03-13 | 苏州诚满信息技术有限公司 | A kind of intelligent escape system and its control method based on high-rise |
| CN110980475A (en) * | 2019-12-12 | 2020-04-10 | 天台云层自动化科技有限公司 | Automatic lift prevents falling fire ladder |
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| Publication number | Publication date |
|---|---|
| CN1308047C (en) | 2007-04-04 |
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