CN102151368B - Manual control slow descending device capable of descending step by step - Google Patents
Manual control slow descending device capable of descending step by step Download PDFInfo
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- CN102151368B CN102151368B CN2011100721603A CN201110072160A CN102151368B CN 102151368 B CN102151368 B CN 102151368B CN 2011100721603 A CN2011100721603 A CN 2011100721603A CN 201110072160 A CN201110072160 A CN 201110072160A CN 102151368 B CN102151368 B CN 102151368B
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- ratchet
- cam
- control assembly
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Abstract
The invention relates to a manual control slow descending device capable of descending step by step. The slow descending device is composed of a support, a hand wheel, a shaft, a ratchet wheel, a control assembly cover, a control assembly box body, a control rope, a hanging basket, a hanging rope, a rope drum and a control assembly, wherein the control assembly is composed of a pawl, a pulling spring, a pin, a pressure spring, a cam wheel rotary shaft, a cam wheel, a control rope connecting rod, a screw I and a screw II, wherein one end of the pawl is an arc-shaped contact joint, and the pressure spring is arranged at the other end of the pawl and pushes against or trips off the ratchet wheel; one end of the pulling spring is connected with the pin, and the other end of the pulling spring is connected with the screw II; the ratchet wheel rotates for two circles in an action cycle to realize the control of descending step by step; the control rope is pulled continuously and then loosened, continuous descending is realized until the required position is reached; the frequency of pulling and loosening the control rope is controlled, thus the descending speed of the hanging bracket can be controlled; and when once rescue is finished, the hanging rope can be reset through rotating the hand wheel, thus next rescue can be carried out.
Description
Technical field
The present invention relates to the emergency relief equipment, particularly a kind of when people need or drop to the deep-well rescue from high-rise life saving the safe and efficient reliable manual control descending lifeline that step by step descends.
Background technology
Along with being on the increase of high building and deep-well; People often run into or to drop to the deep-well from high-rise life saving and rescue; But the size of decrease speed can not be regulated, can not be suspended in the decline process in the Rescue Kits ubiquity decline process that can satisfy this type needs in the market, reliability is not high, the more high deficiency of price, goes back the market demand that the more satisfactory product of neither one can satisfy emergency relief.
Summary of the invention
In order to address this problem, the present invention provides a kind of manual control descending lifeline that step by step descends, can let the user convenient, reliably save oneself or rescue other people.
The technical scheme that the present invention adopted is:
The manual control descending lifeline that step by step descends mainly is made up of bearing, handwheel, axle, ratchet, control assembly lid, control assembly casing, control rope, hanging basket, lifting rope, rope drum and control assembly, and said control assembly mainly is made up of ratchet, extension spring, pin, stage clip, cam shaft, cam, control rope connecting rod, screw I, screw II.Two installing holes are arranged on the base plate of said bearing, and there is a suspension hook centre of base plate, can utilize two installing holes to fix with screw when therefore using, and also can utilize the middle suspension hook of base plate to hang firm place with steel wire rope, uses more convenient like this.The two ends of the base plate of said bearing are connected a gripper shoe respectively with the centre.Said axle is installed in the hole of these three gripper shoes through bearing.Said axle is gone up said ratchet, said rope drum and said handwheel is installed.Said control assembly is installed above one side of the gripper shoe of the centre of the base plate of said bearing.Said ratchet one end is the circular arc contact head that contacts with said cam, and the other end is laid said stage clip and said ratchet is withstood or throws off.The two ends of said ratchet are installed in the hole of said control assembly casing both sides.Said cam is connected with the base plate of said control assembly casing through said cam shaft and can rotates around said cam shaft.One end of said extension spring is connected with said pin, and the other end is connected with said screw II.Said pin is squeezed in the upper wall of said control assembly casing, and said screw II is connected with said cam.One of said control rope is connected with the said control connecting rod of restricting.Said control rope connecting rod is connected with said cam through said screw I.Said hanging basket hangs over the middle part of the length of said lifting rope.Two of said lifting rope is fixed on the said rope drum.Said lifting rope is on said rope drum.During use, said control rope is put down,, also can also connect two strands of control ropes, respectively by survivor and superincumbent people control by superincumbent people's control by survivor's control.This moment, said ratchet withstood said ratchet.During use, spur said control rope, said cam rotates counterclockwise around said cam shaft; When the peak of said cam contacted with the circular arc contact head of said ratchet, the circular arc contact head that promotes said ratchet outwards moved to ultimate range, thereby said ratchet and said ratchet are thrown off; Said ratchet rotates, and said rope drum rotates, and said lifting rope lays out; Said hanging basket descends, and continues the said control rope of pulling, and said cam will be rotated further up to the downside that comes to said control assembly casing and stop; The circular arc contact head of said ratchet slides to minimum point from the peak of said cam, and promote said ratchet and reset this moment under the effect of said stage clip; Thereby make said ratchet withstand said ratchet, said ratchet stops operating.If this moment, the survivor was owing to reasons such as anxiety continue the said control rope of tension, said ratchet continues to withstand said ratchet, and said ratchet continues to stop operating, and said hanging basket stops to descend.If loosen said control rope this moment, said cam will clockwise rotate under the effect of said extension spring, when the peak of said cam contacts with the circular arc contact head of said ratchet; The circular arc contact head that promotes said ratchet outwards moves to ultimate range, from and said ratchet and said ratchet are thrown off, said ratchet rotates; Said rope drum rotates; Said lifting rope lays out, and said hanging basket descends, and said extension spring continues the said cam of pulling; Said cam stops up to the upside that comes to said control assembly casing or owing to said extension spring is got back to nature and stopped continuing to clockwise rotate; The circular arc contact head of said ratchet slides to the minimum point of said cam opposite side from the peak of said cam, and promote said ratchet and reset this moment under the effect of said stage clip; Thereby make said ratchet withstand said ratchet again, said ratchet stops operating.So just accomplished an action cycle, rotated two circles at ratchet described in the action cycle.So realized the control that descends step by step.Continue pulling and unclamp said control rope then, can realize continuing to descend till arrival needs the position.The frequency of said control rope is unclamped in the control pulling, can control the decrease speed of said hanging basket.After accomplishing once rescue, can said lifting rope be resetted through rotating said handwheel, thereby can rescue next time.
The invention has the beneficial effects as follows:
When people in use, the said manual control descending lifeline dependable performance, easy to use that step by step descends.The said manual control descending lifeline simple structure that step by step descends; Practicality rational in infrastructure; Easy to operate; Can control at any time and descend or stop, the speed of decrease speed can arbitrarily be controlled, survivor in the decline process since nervous and tightly drag said control when restricting step by step the descend said rope drum of descending lifeline of said manual control stop operating and embodied high reliability.
Description of drawings
Further specify below in conjunction with figure of the present invention:
Fig. 1 is step by step the descend structural representation of descending lifeline of said manual control.
Fig. 2 is the structural representation that said control assembly amplifies.
Fig. 3 is the structural representation that said ratchet amplifies.
Fig. 4 is the structural representation that said cam amplifies.
Among the figure, 1. bearing, 2. handwheel, 3. spool, 4. ratchet, 5. control assembly lid, 6. control assembly casing; 7. control rope, 8. hanging basket, 9. lifting rope, 10. rope drum, 11. ratchets, 12. extension springs, 13. pins; 14. stage clip, 15. cam shafts, 16. cams, 17. control rope connecting rods, 18. screw I, 19. screw II.
The specific embodiment
The said manual control descending lifeline that step by step descends mainly is made up of with the control assembly bearing (1), handwheel (2), axle (3), ratchet (4), control assembly lid (5), control assembly casing (6), control rope (7), hanging basket (8), lifting rope (9), rope drum (10), and said control assembly is mainly by ratchet (11), extension spring (12), pin (13), stage clip (14), cam shaft (15), cam (16), control rope connecting rod (17), screw I (18), screw II (19) formation.Two installing holes are arranged on the base plate of said bearing (1), and there is a suspension hook centre of base plate, can utilize two installing holes to fix with screw when therefore using, and also can utilize the middle suspension hook of base plate to hang firm place with steel wire rope, uses more convenient like this.The two ends of the base plate of said bearing (1) are connected a gripper shoe respectively with the centre.Said axle (3) is installed in the hole of these three gripper shoes through bearing.Said axle (3) is gone up said ratchet (4), said rope drum (10) and said handwheel (2) is installed.Said control assembly is installed above one side of the gripper shoe of the centre of the base plate of said bearing (1).Said ratchet (11) one ends are the circular arc contact heads that contact with said cam (16), and the other end is laid said stage clip (14) and said ratchet (4) is withstood or throws off.The two ends of said ratchet (11) are installed in the hole of said control assembly casing (6) both sides.Said cam (16) is connected with the base plate of said control assembly casing (6) through said cam shaft (15) and can rotates around said cam shaft (15).One end of said extension spring (12) is connected with said pin (13), and the other end is connected with said screw II (19).Said pin (13) is squeezed in the upper wall of said control assembly casing (6), and said screw II (19) is connected with said cam (16).One of said control rope (7) is connected with the said control connecting rod (17) of restricting.Said control rope connecting rod (17) is connected with said cam (16) through said screw I (18).Said hanging basket (8) hangs over the middle part of the length of said lifting rope (9).Two of said lifting rope (9) is fixed on the said rope drum (10).Said lifting rope (9) is on said rope drum (10).During use, said control rope (7) is put down, by survivor's control, also can also connect two strands of control ropes, respectively by survivor and top people's control by superincumbent people's control.Said ratchet this moment (11) withstands said ratchet (4).During use, spur said control rope (7), said cam (16) rotates counterclockwise around said cam shaft (15); When the peak of said cam (16) contacted with the circular arc contact head of said ratchet (11), the circular arc contact head that promotes said ratchet (11) outwards moved to ultimate range, thereby said ratchet (11) and said ratchet (4) are thrown off; Said ratchet (4) rotates, and said rope drum (10) rotates, and said lifting rope (9) lays out; Said hanging basket (8) descends; Continue the said control rope of pulling (7), said cam (16) will be rotated further up to the downside that comes to said control assembly casing (6) and stop, and the circular arc contact head of said ratchet (11) slides to minimum point from the peak of said cam (16); This moment is under the effect of said stage clip (14); Promote said ratchet (11) and reset, thereby make said ratchet (11) withstand said ratchet (4) again, said ratchet (4) stops operating.If this moment, the survivor was owing to reasons such as anxiety continue the said control rope of tension (7), said ratchet (11) continues to withstand said ratchet (4), and said ratchet (4) continues to stop operating, and said hanging basket (8) stops to descend.If loosen said control rope (7) this moment; Said cam (16) will clockwise rotate under the effect of said extension spring (12), and when the peak of said cam (16) contacted with the circular arc contact head of said ratchet (11), the circular arc contact head that promotes said ratchet (11) outwards moved to ultimate range; From and said ratchet (11) and said ratchet (4) are thrown off; Said ratchet (4) rotates, and said rope drum (10) rotates, and said lifting rope (9) lays out; Said hanging basket (8) descends; Said extension spring (12) continues pulling said cam (16), and said cam (16) stops up to the upside that comes to said control assembly casing (6) or gets back to nature and stop owing to said extension spring (12) continuing to clockwise rotate, and the circular arc contact head of said ratchet (11) slides to the minimum point of said cam (16) opposite side from the peak of said cam (16); This moment is under the effect of said stage clip (14); Promote said ratchet (11) and reset, thereby make said ratchet (11) withstand said ratchet (4), said ratchet (4) stops operating.So just accomplished an action cycle, rotated two circles at ratchet (4) described in the action cycle.So realized the control that descends step by step.Continue pulling and unclamp said control rope (7) then, can realize continuing to descend till arrival needs the position.Control spurs the frequency of unclamping said control rope (7), can control the decrease speed of said hanging basket (8).After accomplishing once rescue, can said lifting rope (9) be resetted through rotating said handwheel (2), thereby can rescue next time.
Claims (1)
1. manual control descending lifeline that step by step descends; Mainly be made up of bearing, handwheel, axle, ratchet, control assembly lid, control assembly casing, control rope, hanging basket, lifting rope, rope drum and control assembly, said control assembly mainly is made up of ratchet, extension spring, pin, stage clip, cam shaft, cam, control rope connecting rod, screw I, screw II, it is characterized in that: two installing holes are arranged on the base plate of said bearing; There is a suspension hook centre of base plate; The two ends of the base plate of said bearing are connected a gripper shoe respectively with the centre, and said axle is installed in the hole of these three gripper shoes through bearing, and said axle is gone up said ratchet, said rope drum and said handwheel are installed; Said control assembly is installed above one side of the gripper shoe of the centre of the base plate of said bearing; Said ratchet one end is the circular arc contact head that contacts with said cam, and the other end is laid said stage clip and said ratchet is withstood or throws off, and the two ends of said ratchet are installed in the hole of said control assembly casing both sides; Said cam is connected with the base plate of said control assembly casing through said cam shaft and can rotates around said cam shaft; One end of said extension spring is connected with said pin, and the other end is connected with said screw II, and said pin is squeezed in the upper wall of said control assembly casing; Said screw II is connected with said cam; One of said control rope is connected with said control rope connecting rod, and the said control connecting rod of restricting passes through said screw I and is connected with said cam, and said hanging basket hangs over the middle part of the length of said lifting rope; Two of said lifting rope is fixed on the said rope drum, and said lifting rope is on said rope drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100721603A CN102151368B (en) | 2011-03-16 | 2011-03-16 | Manual control slow descending device capable of descending step by step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100721603A CN102151368B (en) | 2011-03-16 | 2011-03-16 | Manual control slow descending device capable of descending step by step |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102151368A CN102151368A (en) | 2011-08-17 |
| CN102151368B true CN102151368B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100721603A Expired - Fee Related CN102151368B (en) | 2011-03-16 | 2011-03-16 | Manual control slow descending device capable of descending step by step |
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| Country | Link |
|---|---|
| CN (1) | CN102151368B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239809B (en) * | 2012-06-22 | 2015-05-13 | 宿州学院 | High-rise escape device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075970U (en) * | 1988-05-03 | 1991-05-01 | 贾涛 | Lifeline |
| US5379858A (en) * | 1993-09-20 | 1995-01-10 | Sandoval; Alfredo R. | Compact emergency descender system |
| CN2902329Y (en) * | 2006-01-12 | 2007-05-23 | 中国船舶重工集团公司第七○二研究所 | Escape device |
| CN201997010U (en) * | 2011-03-16 | 2011-10-05 | 金华职业技术学院 | Manual slow-descending device capable of step by step descending |
-
2011
- 2011-03-16 CN CN2011100721603A patent/CN102151368B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075970U (en) * | 1988-05-03 | 1991-05-01 | 贾涛 | Lifeline |
| US5379858A (en) * | 1993-09-20 | 1995-01-10 | Sandoval; Alfredo R. | Compact emergency descender system |
| CN2902329Y (en) * | 2006-01-12 | 2007-05-23 | 中国船舶重工集团公司第七○二研究所 | Escape device |
| CN201997010U (en) * | 2011-03-16 | 2011-10-05 | 金华职业技术学院 | Manual slow-descending device capable of step by step descending |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102151368A (en) | 2011-08-17 |
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Granted publication date: 20120704 Termination date: 20130316 |