CN101843957B - Reciprocating hydraulic slow drop device - Google Patents
Reciprocating hydraulic slow drop device Download PDFInfo
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- CN101843957B CN101843957B CN2010101818796A CN201010181879A CN101843957B CN 101843957 B CN101843957 B CN 101843957B CN 2010101818796 A CN2010101818796 A CN 2010101818796A CN 201010181879 A CN201010181879 A CN 201010181879A CN 101843957 B CN101843957 B CN 101843957B
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Abstract
The invention relates to a reciprocating hydraulic slow drop device. The invention adopts the scheme that: steel wire ropes connected with a first escape box 20 and a second escape box 21 are reversely wound on a first bobbin 17 and a second bobbin 19; and a first shaft 18 is connected with a second shaft 15 provided with a first friction disc 12, and a second friction disc 11 is arranged on a piston rod 8. A gearwheel 14 on the second shaft 15 is engaged with a pinion 22 on a third shaft 13; a reverse sprocket wheel 7 and a positive sprocket wheel 6 on the third shaft 13 are connected with a third sprocket wheel 26 on a fourth shaft 25 and a fourth sprocket wheel 28 on a fifth shaft 27, and a third gear 23 on the fourth shaft 25 is engaged with a fourth gear 24 on the fifth shaft 27; and the fifth shaft 27 is connected with a hydraulic pump 3. An oil outlet of the hydraulic pump 3 is connected with a rod-free cavity of a hydraulic cylinder 9 through a one-way valve 5, and the rod-free cavity of the hydraulic cylinder 9 is communicated with an oil tank 1 through an overflow valve or a ball valve 30. The device has the advantages of strong reliability, wide practicability and capability of ensuring the safety of crowd escape personnel without external power.
Description
Technical field
The invention belongs to a kind of slow descending device technical field.Be specifically related to a kind of reciprocating hydraulic slow drop device.
Background technology
Along with quickening of urbanization process, skyscraper increases rapidly like the mushrooms after rain.Escape problem during accidental disasters such as skyscraper breaking out of fire, earthquake receives people's pay attention to day by day.The fact that the dead crowd of crowd hinders is told us, and the danger and disaster that takes place in fire or earthquake must be paid attention to saving oneself constantly! The high-rise life saving slow descending device be a kind of after breaking out of fire, earthquake the lifesaving appliance of the high-rise trapped personnel of rescue, also the goods and materials applicable to skyscraper transport, aspects such as building decoration and cleaning.
Existing most descending lifelines people that once can only escape, and have easily and cause " secondary " to injure, be not suitable for special populations such as the old,weak,sick and disabled and women and children to use and do not have a defective such as collective's escaping function.
Present employed escape device for high-rise buildings has following several big type: one, the rope descending lifeline of single single usefulness relies on the guider (CN200720201691) of rope, though simple in structure, operation requires high, and causes " secondary " injury easily; Two, Rope ladder for escaping (CN200420056941.9) is characterized in that being fixedly connected with carrier therebetween by two hawsers, is not suitable for old man and child; Three, the escape sliding sleeve will lean on human body and the fricative resistance of sliding sleeve to reach slow purpose of falling, and what the old,weak,sick and disabled and body weight were light can not use per capita, hurts sb.'s feelings easily; Four, collective's escape device designs according to aerodynamic principle, costs an arm and a leg, and uses less.
Summary of the invention
The present invention is intended to overcome existing technological deficiency, and purpose provides the reciprocating hydraulic slow drop device that a kind of good reliability, applicability are wide, when the external power-free source, can ensure the escape personnel of colony safety.This device is applicable to the emergency escape of various skyscrapers.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: an end of two steel wire ropes respectively be used for the first manned escape case and the second escape case is connected; The other end of two steel wire ropes is wrapped on corresponding first reel and second reel with opposite direction respectively, and first reel and second reel are fixedly mounted on first; An end of first is connected through the end of shaft coupling with second, and second the other end is equipped with first frictional disk, and second frictional disk that is complementary with first frictional disk is installed in the end of the piston rod of hydraulic cylinder through screw thread.
Hydraulic cylinder, second and first coaxial line installation.
Be installed with gear wheel on second, gear wheel be fixedly mounted on the pinion on the 3rd; Reverse sprocket wheel and forward sprocket wheel also are installed on the 3rd from right to left successively.
Reverse sprocket wheel is connected with the 3rd sprocket wheel that is installed on the 4th through chain; The forward sprocket wheel is connected through the 4th sprocket wheel of chain on the 5th; Go up the 3rd gear and the 5th the 4th gears engaged that goes up installation of installing for the 4th, an end of the 5th is connected with the axle head of hydraulic pump through shaft coupling.
The oil-in of hydraulic pump communicates with fuel tank through oil pipe and oil filter; The oil-out of hydraulic pump communicates with the oil-in of the rodless cavity of hydraulic cylinder through oil pipe and check valve; The oil-out of the rodless cavity of hydraulic cylinder communicates with fuel tank through oil pipe and overflow valve; The two-port of ball valve communicates with the oil-out and the fuel tank of check valve through oil pipe respectively, and the rod chamber of hydraulic cylinder is through exhaust outlet and atmosphere.
The cross section of described piston rod overhanging end is dolioform, and the piston rod overhanging end passes and is arranged on the outer ground way of hydraulic cylinder.
The endoporus of described forward sprocket wheel is installed with in first tooth-type and connects ratchet; The endoporus of reverse sprocket wheel is installed with in second tooth-type and connects ratchet; Connect in first tooth-type and connect ratchet in the ratchet and second tooth-type and be fixedly mounted on the 3rd, it is opposite to connect the ratchet installation direction that connects ratchet in the ratchet and second tooth-type in first tooth-type.
Described forward sprocket wheel and reverse strand tooth number equate, the number of teeth of the 3rd sprocket wheel and the 4th sprocket wheel equates, forward sprocket wheel and reverse sprocket wheel are 2.5～3.5 with the gearratio of corresponding the 4th sprocket wheel and the 3rd sprocket wheel respectively.
Described gear wheel and pinion drive ratio are that the gearratio of the 3.5～4.5, the 3rd gear and the 4th gear is 1.
Described hydraulic cylinder is a single-action hydraulic cylinder, is provided with spring in the rod chamber.
Owing to adopt technique scheme, the present invention drives first rotation that is connected with first reel if being used for the first manned escape case descends; Through the speedup transmission, the power shaft rotating speed of hydraulic pump increases, when rotating speed reaches the working speed of hydraulic pump; Hydraulic pump begins hydraulic oil is pressed in the hydraulic cylinder; The piston rod overhanging end of hydraulic cylinder stretches out along slideway, forces second frictional disk to be close to first frictional disk, and the two moment of friction constantly increases owing to the increase of pressure; Thereby stop first rotation, regulate the decrease speed of the first escape case.
When the hydraulic fluid pressure in the hydraulic cylinder reaches the preset pressure of overflow valve, can guarantee second with first torque balance, first case of escaping will at the uniform velocity descend with safe speed; In addition, be equipped with respectively on first reel and second reel around to opposite steel wire rope, when the first escape case descended, the second escape case was sling simultaneously.
Owing on the 3rd reverse sprocket wheel and forward sprocket wheel are installed, when descending as if the first escape case, the forward sprocket wheel drives the 5th forward rotation through the 4th sprocket wheel; If when the second escape case descended, reverse sprocket wheel drove the 4th backward rotation through the 3rd sprocket wheel.Through the 3rd gear and the 4th gear meshing transmission, drive the 5th forward rotation, so that the 5th rotation direction can remain is constant, it is also constant then to be input to turning to of hydraulic pump, has guaranteed the continuous operate as normal of hydraulic pump.
Start ball valve, the rodless cavity of hydraulic cylinder is communicated with fuel tank, the spring of hydraulic cylinder impels piston rod to reset; Close ball valve, the second escape case just can be realized and the same dropping process of the first escape case, realize the purpose that the escape personnel is put down from high building continuously.
The present invention integrates machine driving and hydraulic pressure FEEDBACK CONTROL, and mechanical energy is converted into the hydraulic pressure ability, relies on escape personnel's self gravitation to carry out work, does not need extra power set; In addition, the present invention adopts has two reels, can realize reciprocal escape apace, has improved the escape probability widely; The escape case adopts box-type, has effectively avoided " secondary " injury of people in the escape process, can make to comprise that the old,weak,sick and disabled and women and children arrive ground safely and reliably all groups of class.
Therefore, it is wide and when the external power-free source, can ensure the characteristics of the escape personnel of colony safety that the present invention has good reliability, applicability.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the A-A generalized section of Fig. 1;
Fig. 3 is the B-B generalized section of Fig. 1;
Fig. 4 is the C-C generalized section of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention being further described, is not the restriction to protection domain:
A kind of reciprocating hydraulic slow drop device: its structure is as shown in Figure 1; One end of two steel wire ropes respectively be used for the manned first escape case 20 and second case 21 of escaping and be connected; The other end of two steel wire ropes is wrapped on corresponding first reel 17 and second reel 19 with opposite direction respectively, and first reel 17 and second reel 19 are fixedly mounted on first 18; An end of first 18 is connected through the end of shaft coupling 16 with second 15, and second 15 the other end is equipped with first frictional disk 12, and second frictional disk 11 that is complementary with first frictional disk 12 is installed in the end of the piston rod 8 of hydraulic cylinder 9 through screw thread.
Be installed with gear wheel 14 on second 15, gear wheel 14 and pinion 22 engagements that are fixedly mounted on the 3rd 13; Reverse sprocket wheel 7 and forward sprocket wheel 6 also are installed on the 3rd 13 from right to left successively.
The oil-in of hydraulic pump 3 communicates with fuel tank 1 through oil pipe and oil filter 2; The oil-out of hydraulic pump 3 communicates with the oil-in of the rodless cavity of hydraulic cylinder 9 through oil pipe and check valve 5; The oil-out of the rodless cavity of hydraulic cylinder 9 communicates with fuel tank 1 through oil pipe and overflow valve 4; The two-port of ball valve 30 communicates with the oil-out and the fuel tank 1 of check valve 5 through oil pipe respectively, and the rod chamber of hydraulic cylinder 9 is through exhaust outlet and atmosphere.
As shown in Figure 2, the cross section of piston rod 8 overhanging ends is dolioform, and piston rod 8 overhanging ends pass the ground way 10 that is arranged on outside the hydraulic cylinder 9.
Like Fig. 3 and shown in Figure 4; The endoporus of forward sprocket wheel 6 is installed with and connects ratchet 31 in first tooth-type; The endoporus of reverse sprocket wheel 7 is installed with and connects ratchet 32 in second tooth-type; Connect in first tooth-type and connect ratchet 32 in the ratchet 31 and second tooth-type and be fixedly mounted on the 3rd 13, it is opposite to connect the ratchet installation direction that connects ratchet 32 in the ratchet 31 and second tooth-type in first tooth-type.
The described forward sprocket wheel of present embodiment 6 equates with reverse sprocket wheel 7 numbers of teeth, and the number of teeth of the 3rd sprocket wheel 26 and the 4th sprocket wheel 28 equates, forward sprocket wheel 6 and reverse sprocket wheel 7 are 2.5～3.0 with the gearratio of corresponding the 4th sprocket wheel 28 and the 3rd sprocket wheel 26 respectively.
Described gear wheel 14 of present embodiment and pinion 22 gearratios are that the gearratio of the 4.0～4.5, the 3rd gear 23 and the 4th gear 24 is 1.
The described hydraulic cylinder 9 of present embodiment is a single-action hydraulic cylinder, is provided with spring in the rod chamber.
A kind of reciprocating hydraulic slow drop device: forward sprocket wheel 6 and reverse sprocket wheel 7 are 3.0～3.5 with the gearratio of corresponding the 4th sprocket wheel 28 and the 3rd sprocket wheel 26 respectively; Gear wheel 14 is 3.5～4.0 with pinion 22 gearratios.
All the other are with embodiment 1
In this specific embodiment, descend if be used for the first manned escape case 20, then drive first 18 rotation that is connected with first reel 17, through the speedup transmission, the power shaft rotating speed of hydraulic pump 3 increases; When rotating speed reaches the working speed of hydraulic pump 3; Hydraulic pump 3 begins hydraulic oil is pressed in the hydraulic cylinder 9; Piston rod 8 overhanging ends of hydraulic cylinder 9 stretch out along slideway 10, force second frictional disk 11 to be close to first frictional disk 12, and the two moment of friction constantly increases owing to the increase of pressure; Thereby stop first 18 rotation, regulate the decline of the first escape case 20.
When the hydraulic fluid pressure in the hydraulic cylinder 9 reaches the preset pressure of overflow valve 4, can guarantee second 15 and first 18 torque balance, first case 20 of escaping will at the uniform velocity descend with safe speed; In addition, be equipped with respectively on first reel 17 and second reel 19 around to opposite steel wire rope, when the first escape case 20 descended, the second escape case 21 was sling simultaneously.
Because reverse sprocket wheel 7 and forward sprocket wheel 6 are installed on the 3rd 13, when descending as if the first escape case 20, forward sprocket wheel 6 drives the 5th 27 forward rotation through the 4th sprocket wheel 28; When if the second escape case 21 descends, reverse sprocket wheel 7 drives the 4th 25 backward rotation through the 3rd sprocket wheel 26, through the engaged transmission of the 3rd gear 23 and the 4th gear 24, drives the 5th 27 forward rotation.So it is constant that the 5th 27 rotation direction can remain, it is also constant then to be input to turning to of hydraulic pump 3, has guaranteed the continuous operate as normal of hydraulic pump 3.
Start ball valve 30, the rodless cavity of hydraulic cylinder 9 is communicated with fuel tank 1, the spring of hydraulic cylinder 9 impels piston rod 8 to reset; Close ball valve 30, the second escape casees 21 and just can realize and the first the same dropping process of case 20 of escaping, realized the purpose that the escape personnel is put down from high building continuously.
This specific embodiment integrates machine driving and hydraulic pressure FEEDBACK CONTROL, and mechanical energy is converted into the hydraulic pressure ability, relies on escape personnel's self gravitation to carry out work, does not need extra power set; In addition, this device adopts has two reels, can realize reciprocal escape apace, has improved the escape probability widely; The escape case adopts box-type, has effectively avoided " secondary " injury of people in the escape process, can make to comprise that the old,weak,sick and disabled and women and children arrive ground safely and reliably all groups of class.
Therefore, this device reliability is strong, and applicability is wide, when the external power-free source, can ensure the escape personnel's of colony safety.
Claims (6)
1. reciprocating hydraulic slow drop device; An end that it is characterized in that two steel wire ropes respectively be used for the manned first escape case (20) and second case (21) of escaping and be connected; The other end of two steel wire ropes is wrapped on corresponding first reel (17) and second reel (19) with opposite direction respectively, and first reel (17) and second reel (19) are fixedly mounted on first (18); One end of first (18) is connected with an end of second (15) through first shaft coupling (16); The other end of second (15) is equipped with first frictional disk (12), and second frictional disk (11) that is complementary with first frictional disk (12) is installed in the end of the piston rod (8) of hydraulic cylinder (9) through screw thread;
Hydraulic cylinder (9), second (15) and first (18) coaxial line are installed;
Be installed with gear wheel (14) on second (15), gear wheel (14) and pinion (22) engagement that is fixedly mounted on the 3rd (13); Reverse sprocket wheel (7) and forward sprocket wheel (6) also are installed on the 3rd (13) from right to left successively;
Reverse sprocket wheel (7) is connected with the 3rd sprocket wheel (26) on being installed in the 4th (25) through chain; Forward sprocket wheel (6) is connected with the 4th sprocket wheel (28) on the 5th (27) through chain; The 4th (25) are gone up the 3rd gear of installing (23) and are gone up the 4th gear (24) engagement of installing with the 5th (27), and an end of the 5th (27) is connected with the axle head of hydraulic pump (3) through second shaft coupling (29);
The oil-in of hydraulic pump (3) communicates with fuel tank (1) through oil pipe and oil filter (2); The oil-out of hydraulic pump (3) communicates with the oil-in of the rodless cavity of hydraulic cylinder (9) through oil pipe and check valve (5); The oil-out of the rodless cavity of hydraulic cylinder (9) communicates with fuel tank (1) through oil pipe and overflow valve (4); The two-port of ball valve (30) communicates with the oil-out and the fuel tank (1) of check valve (5) through oil pipe respectively, and the rod chamber of hydraulic cylinder (9) is through exhaust outlet and atmosphere.
2. reciprocating hydraulic slow drop device according to claim 1 is characterized in that the cross section of described piston rod (8) overhanging end is dolioform, and piston rod (8) overhanging end passes and is arranged on the outer ground way (10) of hydraulic cylinder (9).
3. reciprocating hydraulic slow drop device according to claim 1; The endoporus that it is characterized in that described forward sprocket wheel (6) is installed with and connects ratchet (31) in first tooth-type; The endoporus of reverse sprocket wheel (7) is installed with and connects ratchet (32) in second tooth-type; Connect in first tooth-type and connect ratchet (32) in the ratchet (31) and second tooth-type and be fixedly mounted on the 3rd (13), it is opposite to connect the ratchet installation direction that connects ratchet (32) in the ratchet (31) and second tooth-type in first tooth-type.
4. reciprocating hydraulic slow drop device according to claim 1; It is characterized in that the described forward sprocket wheel (6) and reverse sprocket wheel (7) number of teeth equate; The number of teeth of the 3rd sprocket wheel (26) and the 4th sprocket wheel (28) equates, forward sprocket wheel (6) and reverse sprocket wheel (7) are 2.5～3.5 with the gearratio of corresponding the 4th sprocket wheel (28) and the 3rd sprocket wheel (26) respectively.
5. reciprocating hydraulic slow drop device according to claim 1 is characterized in that described gear wheel (14) and pinion (22) gearratio are that the gearratio of the 3.5～4.5, the 3rd gear (23) and the 4th gear (24) is 1.
6. reciprocating hydraulic slow drop device according to claim 1 is characterized in that described hydraulic cylinder (9) is a single-action hydraulic cylinder, is provided with spring in the rod chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101818796A CN101843957B (en) | 2010-05-25 | 2010-05-25 | Reciprocating hydraulic slow drop device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101818796A CN101843957B (en) | 2010-05-25 | 2010-05-25 | Reciprocating hydraulic slow drop device |
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| Publication Number | Publication Date |
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| CN101843957A CN101843957A (en) | 2010-09-29 |
| CN101843957B true CN101843957B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101818796A Active CN101843957B (en) | 2010-05-25 | 2010-05-25 | Reciprocating hydraulic slow drop device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454708A (en) * | 2014-12-31 | 2015-03-25 | 桐庐松亚机械厂 | Oil path circulation system of hydraulic oil cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994895B (en) * | 2013-02-18 | 2016-08-17 | 科勒(中国)投资有限公司 | There is the slow fall performance test methods of the upset bench of slow fall function |
| CN104014081A (en) * | 2013-02-28 | 2014-09-03 | 张新 | Building fire and earthquake life saving device |
| CN109939371A (en) * | 2017-12-21 | 2019-06-28 | 中航天水飞机工业有限责任公司 | Hydraulic controlling type rope device for sliding lowering persons |
| CN108147299A (en) * | 2017-12-29 | 2018-06-12 | 应小平 | A kind of descending lifeline |
| CN110433407B (en) * | 2019-07-22 | 2020-12-15 | 江西云帆环保建材有限公司 | High-altitude buffering escape and pressurization spraying device for building |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075527U (en) * | 1990-04-26 | 1991-04-24 | 郑州工学院 | High storied building fire escaping device |
| CN1693719A (en) * | 2004-05-04 | 2005-11-09 | 沃尔沃建造设备控股（瑞典）有限公司 | Hydraulic control valve having holding valve with improved response characteristics |
| CN201445715U (en) * | 2009-06-26 | 2010-05-05 | 潍坊学院 | Constant speed building escape apparatus |
| CN201469925U (en) * | 2009-08-26 | 2010-05-19 | 林谊忠 | Hydraulic automatic speed limitting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7124576B2 (en) * | 2004-10-11 | 2006-10-24 | Deere & Company | Hydraulic energy intensifier |
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2010
- 2010-05-25 CN CN2010101818796A patent/CN101843957B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075527U (en) * | 1990-04-26 | 1991-04-24 | 郑州工学院 | High storied building fire escaping device |
| CN1693719A (en) * | 2004-05-04 | 2005-11-09 | 沃尔沃建造设备控股（瑞典）有限公司 | Hydraulic control valve having holding valve with improved response characteristics |
| CN201445715U (en) * | 2009-06-26 | 2010-05-05 | 潍坊学院 | Constant speed building escape apparatus |
| CN201469925U (en) * | 2009-08-26 | 2010-05-19 | 林谊忠 | Hydraulic automatic speed limitting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454708A (en) * | 2014-12-31 | 2015-03-25 | 桐庐松亚机械厂 | Oil path circulation system of hydraulic oil cylinder |
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| CN101843957A (en) | 2010-09-29 |
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