CN105148418A - Method for achieving constant-speed descending of descent control device and constant-speed descent control device - Google Patents
Method for achieving constant-speed descending of descent control device and constant-speed descent control device Download PDFInfo
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- CN105148418A CN105148418A CN201510578033.9A CN201510578033A CN105148418A CN 105148418 A CN105148418 A CN 105148418A CN 201510578033 A CN201510578033 A CN 201510578033A CN 105148418 A CN105148418 A CN 105148418A
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Abstract
The invention discloses a method for achieving constant-speed descending of descent control device. The method comprises the steps that the load weight is applied to a rope in proportion through an adjustable lever mechanism, proper pre-friction is produced for the rope by means of matching of a friction block, the weighted rope is wound on a constant-speed wheel, and the descending speed of different weights is made to be constant by means of the property of constant rotation of the constant-speed wheel. The purpose of descending at the constant speed from high altitude is achieved through the method. The invention further discloses the constant-speed descent control device, the constant-speed descent control device comprises a base plate and a guide block, the friction block, the pressing plate, an L plate, a control handle and the lever mechanism which are sequentially arranged on the base plate from top to bottom, the constant-speed descent control device further comprises the constant-speed wheel and a constant-speed speed limiting device which are coaxially arranged on the front surface and the rear surface of the base plate respectively, and the rope penetrates through a path formed by the friction block and one side of the pressing plate and is wound on the constant-speed wheel and guided through the guide block to extend upwards. The constant-speed descent control device can be automatically locked to be suspended at the beginning or in the middle of descent, control is convenient, and use is safe.
Description
Technical field
The invention belongs to eminence lowering means technical field, be specifically related to a kind of constant speed descending lifeline, also relate to a kind of descending lifeline constant-speed descending implementation method.
Background technology
The drop device of prior art all adopts and controls reduction of speed [as (for the drop device that user declines along rope, 201220321504.X)] to the rope power that creates friction, stall during untrained layman uses and easily declines, danger out of control.Although reciprocating descent control device decrease speed is controlled (having automatic speed-limiting performance) automatically, but start in decline and can not self-locking hover halfway, particularly in the use of actual high-rise life saving, the rope other end rise cord end be very easily highlighted building wall sash and other thrust cards, tangle, have an accident.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of descending lifeline constant-speed descending implementation method is provided, avoid the generation that stall and other dangerous accidents easily occur prior art drop device, achieve the object of high-altitude constant-speed descending.
The present invention also discloses a kind of constant speed descending lifeline, declines and starts and can self-locking hover in way, and manipulation is convenient, use safety.
The technical solution adopted in the present invention is: a kind of descending lifeline constant-speed descending implementation method, it is characterized in that, load is applied on rope in proportion by an adjustable leverage, with and magnitude of load positively related pre-frictional force suitable to rope manufacture, again heavy burden rope is taken turns around the constant speed with constant speed speed limit characteristic, the constant speed speed limit characteristic of taking turns in conjunction with utilizing constant speed, makes different loads decrease speed consistent and constant speed.
Another kind of technical scheme of the present invention, a kind of constant speed descending lifeline, comprise substrate, constant speed wheel, brake pad, pressing plate, control handle, leverage, rope, constant speed speed-limiting device, L plate and guide pad, described constant speed wheel is coaxially arranged on the forward and backward surface of described substrate with constant speed speed-limiting device, described guide pad, brake pad, pressing plate, L plate, control handle and leverage from top to bottom set gradually on the substrate, walk around constant speed and take turns and to be led backward upper extension by guide pad behind the path that described rope is formed through described brake pad and pressing plate side.
Further, described constant speed is taken turns and brake pad is all shaped with the groove of drag rope, and is respectively equipped with axle with protruding at described brake pad front-back.
Further, described substrate is installed with the first minor axis, the second minor axis, the 3rd minor axis and the 4th minor axis; Described pressing plate offers rectangular opening, the first strip hole, and be installed with the 5th minor axis thereon, and its end is bent to form stitching surface; Described control handle is installed with the 6th minor axis, the 7th minor axis, and on the 7th minor axis, roller is installed; Described L plate is shaped with the 3rd circular hole, the 4th circular hole and the 3rd strip hole.
Further, described leverage is variable load plate, described variable load plate is shaped with the first circular hole, the second circular hole and the second strip hole.
Further, described pressing plate one end is sleeved on the first minor axis by the first strip hole, the other end is sleeved in the projection of brake pad by its rectangular opening, described pressing plate can along perpendicular to its stitching surface direction suitably apart from interior activity, and the groove on stitching surface described in it and described brake pad forms the path clamping rope 7.
Further, the second circular hole on described variable load plate and the 3rd minor axis hinged, and its second strip hole is sleeved on roller.
Further, gear wheel, pinion, escape wheel and escapement lever that described constant speed speed-limiting device comprises shell and arranges in the enclosure, described constant speed speed-limiting device is also included in the screw hole be arranged on by shell on substrate that in described shell, corner is arranged, described gear wheel is coaxially fixed on constant speed takes turns upper and engages with pinion, described escape wheel is coaxially fixed on pinion, and described escapement lever and gear wheel are coaxially installed and engaged with escape wheel.
Further, the 5th circular hole on described L plate and the second minor axis hinged, described 3rd strip hole is enclosed within the 5th minor axis of pressing plate, and described 3rd circular hole is articulated with on the 6th minor axis on control handle.
Further, described constant speed descending lifeline also comprises backplate, hinged with described 4th stud ends in the middle part of described backplate, and described backplate both ends oppositely offer U-lag, and described U-lag respectively with the axle activity clamping of guide pad central shaft and brake pad.
The beneficial effect that the present invention compared with prior art has: no matter the large fine descent rate of user's body weight all will by desin speed constant-speed descending, easily there is the generation of stall and other dangerous accidents in the drop device avoiding prior art, decline and start and also can self-locking hover in way, and manipulation is convenient, use safety.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present invention;
Fig. 2 be figure mono-A-A to sectional view;
Fig. 3 be figure mono-B-B to sectional view;
Fig. 4 is structural representation two of the present invention;
Fig. 5 is board structure schematic diagram of the present invention;
Fig. 6 is brake pad structural representation of the present invention;
Fig. 7 be Fig. 6 C-C to sectional view;
Fig. 8 is pressure plate structure schematic diagram of the present invention;
Fig. 9 be Fig. 8 E-E to sectional view;
Figure 10 is control handle structural representation of the present invention;
Figure 11 be Figure 10 E-E to sectional view;
Figure 12 is variable load plate structure schematic diagram of the present invention;
Figure 13 is constant speed speed-limiting device structural representation of the present invention;
Figure 14 is L plate structure schematic diagram of the present invention;
Figure 15 is another embodiment of the present invention structural representation;
Figure 16 Figure 15 H-H to sectional view;
Figure 17 is Figure 15 center platen structural representation;
Figure 18 be Figure 17 K-K to sectional view.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of descending lifeline constant-speed descending implementation method, it is characterized in that, load is applied on rope in proportion by an adjustable leverage, with and magnitude of load positively related pre-frictional force suitable to rope manufacture, again heavy burden rope is taken turns around the constant speed with constant speed speed limit characteristic, the constant speed speed limit characteristic of taking turns in conjunction with utilizing constant speed, makes different loads decrease speed consistent and constant speed.
A kind of constant speed descending lifeline, structure as shown in Figure 1, described constant speed descending lifeline comprises substrate 1, constant speed wheel 2, brake pad 3, pressing plate 4, control handle 5, leverage, rope 7, constant speed speed-limiting device 8, L plate 9 and guide pad 10, before described constant speed wheel 2 is coaxially arranged on described substrate 1 with constant speed speed-limiting device 8, on rear surface, described guide pad 10, brake pad 3, pressing plate 4, L plate 9, control handle 5 and leverage are successively set on described substrate 1 from top to bottom, walk around constant speed behind the path that described rope 7 is formed through described brake pad 3 and pressing plate 4 side to take turns 2 and to be led backward upper extension by guide pad 10.
In embodiments of the present invention, as shown in Fig. 1, Fig. 6 and Fig. 7, described constant speed takes turns the groove 31 2 and brake pad 3 being all shaped with drag rope 7, and is respectively equipped with axle 32 and protruding 33 at described brake pad 3 front-back.Described groove 31 surface is shaped with the anti-slip veins increasing coefficient of friction, produces and slides, or make the V-shaped groove preventing it from sliding for clamping rope to suppress rope 7 on constant speed wheel 2 with brake pad 3.
In embodiments of the present invention, as shown in Figure 5, described substrate 1 is installed with the first minor axis 11, second minor axis 12, the 3rd minor axis 13 and the 4th minor axis 14.Described first minor axis 11, second minor axis 12, the 3rd minor axis 13 and the 4th minor axis 14 play the effect connecting positioning pressuring plate 4, variable load plate 6, L plate 9 and backplate 15.
In embodiments of the present invention, as shown in Figure 8, Figure 9, described pressing plate 4 offers rectangular opening 41, first strip hole 42, and be installed with the 5th minor axis 43 thereon, and its end is bent to form stitching surface 44, described pressing plate 4 one end is sleeved on the first minor axis 11 by the first strip hole 42, the other end is sleeved in the projection 33 of brake pad 3 by its rectangular opening 41, described pressing plate 4 can along perpendicular to its stitching surface 44 direction suitably apart from interior activity, and described in it, stitching surface 44 forms with the groove 31 on described brake pad 3 path clamping rope 7.
In embodiments of the present invention, as shown in Fig. 1, Figure 10, Figure 11, described control handle 5 is installed with the 6th minor axis 51, the 7th minor axis 52, and on the 7th minor axis 52, roller 53 is installed.
In embodiments of the present invention, as shown in Fig. 1 and Figure 12, described leverage is variable load plate 6, described variable load plate 6 is shaped with the first circular hole 61, second circular hole 62 and the second strip hole 63.The second circular hole 62 on described variable load plate 6 and the 3rd minor axis 13 hinged, and its second strip hole 63 is sleeved on roller 53.
In embodiments of the present invention, as shown in figure 13, described constant speed speed-limiting device 8 comprises shell 81 and is arranged on gear wheel 82, pinion 83, escape wheel 84 and the escapement lever 85 in shell 81, described constant speed speed-limiting device 8 is also included in the screw hole 86 installed by shell 81 on substrate 1 that in described shell 81, corner is arranged, described gear wheel 82 be coaxially fixed on constant speed wheel 2 on and engage with pinion 83, described escape wheel 84 is coaxially fixed on pinion 83, and described escapement lever 85 is installed with gear wheel 82 is coaxial and engages with escape wheel 84.
In embodiments of the present invention, as shown in Fig. 1, Figure 14, described L plate 9 is shaped with the 3rd circular hole 91, the 4th circular hole 92 and the 3rd strip hole 93.The 4th circular hole 92 on described L plate 9 and the second minor axis 12 hinged, described 3rd strip hole 93 is enclosed within the 5th minor axis 43 of pressing plate 4, and described 3rd circular hole 91 is articulated with on the 6th minor axis 51 on control handle 5.
In embodiments of the present invention, as Figure 1 and Figure 4, described constant speed descending lifeline also comprises backplate 15, hinged with described 4th minor axis 14 end in the middle part of described backplate 15, and described backplate 15 both ends oppositely offer U-lag 151, described U-lag 151 respectively with the axle 32 activity clamping of guide pad 10 central shaft and brake pad 3.
In embodiments of the present invention, its working mechanism is: body wt is hung on the first circular hole 61 of variable load plate 6 by safety belt and connecting ring by user.The body weight of user can be passed to pressing plate 4 by L plate 9, control handle 5, variable load plate 6, and passes through the transmission ratio of control handle 5 adjustable user's body weight power.Variable load plate 6 is equal to a lever, second circular hole 62 is equal to the fulcrum of lever, operation control handle 5 can change the distance of roller 53 to fulcrum, when not pressing control handle 5, roller 53 can automatically near fulcrum under the effect of human bady gravitational, and the pulling force now uploading to pressing plate 4 is maximum, otherwise, when user presses control handle 5, when roller 53 is away from fulcrum, the pulling force uploading to pressing plate 4 is minimum.Design the parameters such as suitable size, can realize roller 53 near fulcrum time produce enough power, rope 7 is clamped by brake pad 3 and pressing plate 4 and does not produce slide (floating state); When roller 53 is away from fulcrum, rope 7 start to slide between brake pad 3 and the gap of pressing plate 4 and can not cause rope 7 and constant speed take turns 2 between produce slide (constant-speed descending state).As Figure 1 and Figure 4.
In embodiments of the present invention, due to pressing plate 4 and the size of seizing the frictional force of generation on both sides by the arms of brake pad 3 pairs of ropes 7 and the body weight size positive correlation of user, and due to constant speed wheel 2 constant speed effect, the decrease speed of this constant speed descending lifeline is not affected by the body weight size of user substantially, namely no matter the large fine descent rate of body weight all will by desin speed constant-speed descending, and the generation of stall and other dangerous accidents easily occurs the drop device avoiding prior art.
In embodiments of the present invention, its using method is: rope 7 upper end is fixed, and by above-mentioned wiring path wiring on constant speed descending lifeline, health hangs on the first circular hole 61 of variable load plate 6 by safety belt and connecting ring by user, after pressure control handle 5, drop device starts constant-speed descending with user, and after unclamping control handle 5, drop device can self-locking stop declining (hovering).
At embodiments of the invention one, as Figure 1 and Figure 4, wiring can be carried out when backplate 15 is horizontal or remove wiring operation, after backplate 15 rotating positioning is closed, the side-closed entrance and exit position of wiring 7, in work, rope can not deviate from the groove 31 of brake pad 3 and guide pad 10.
At embodiments of the invention two, as shown in figure 16, adopt vertical layout, eliminate the guide pad 10 in embodiment one and L plate 9, the backplate 11 adding minor axis 12, minor axis 13 and be articulated with on minor axis 12, wiring can be carried out when backplate 11 is horizontal or remove wiring operation.The structure of its center platen 4 is as shown in Figure 17, Figure 18.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting practical range of the present invention, therefore all equivalent variations done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (10)
1. descending lifeline constant-speed descending implementation method, it is characterized in that, load is applied on rope in proportion by an adjustable leverage, with and magnitude of load positively related pre-frictional force suitable to rope manufacture, again heavy burden rope is taken turns around the constant speed with constant speed speed limit characteristic, the constant speed speed limit characteristic of taking turns in conjunction with utilizing constant speed, makes different loads decrease speed consistent and constant speed.
2. realize the constant speed descending lifeline of method described in claim 1, it is characterized in that, described constant speed descending lifeline comprises substrate (1), constant speed wheel (2), brake pad (3), pressing plate (4), control handle (5), leverage, rope (7), constant speed speed-limiting device (8), L plate (9) and guide pad (10), before described constant speed wheel (2) is coaxially arranged on described substrate (1) with constant speed speed-limiting device (8), on rear surface, described guide pad (10), brake pad (3), pressing plate (4), L plate (9), control handle (5) and leverage are successively set on described substrate (1) from top to bottom, walk around constant speed behind the path that described rope (7) is formed through described brake pad (3) and pressing plate (4) side to take turns (2) and to be led backward upper extension by guide pad (10).
3. constant speed descending lifeline according to claim 2, it is characterized in that, described constant speed takes turns the groove (31) (2) and brake pad (3) being all shaped with drag rope (7), and is respectively equipped with axle (32) and protruding (33) at described brake pad (3) front-back.
4. constant speed descending lifeline according to claim 3, is characterized in that, described substrate (1) is installed with the first minor axis (11), the second minor axis (12), the 3rd minor axis (13) and the 4th minor axis (14);
Described pressing plate (4) offers rectangular opening (41), the first strip hole (42), and be installed with the 5th minor axis (43) thereon, and its end is bent to form stitching surface (44);
Described control handle (5) is installed with the 6th minor axis (51), the 7th minor axis (52), and on the 7th minor axis (52), roller (53) is installed;
Described L plate (9) is shaped with the 3rd circular hole (91), the 4th circular hole (92) and the 3rd strip hole (93).
5. constant speed descending lifeline according to claim 4, is characterized in that, described leverage is variable load plate (6), described variable load plate (6) is shaped with the first circular hole (61), the second circular hole (62) and the second strip hole (63).
6. constant speed descending lifeline according to claim 5, it is characterized in that, described pressing plate (4) one end is sleeved on the first minor axis (11) by the first strip hole (42), the other end is sleeved in the projection (33) of brake pad (3) by its rectangular opening (41), described pressing plate (4) can along perpendicular to its stitching surface (44) direction suitably apart from interior activity, and stitching surface described in it (44) forms with the groove (31) on described brake pad (3) path clamping rope (7).
7. constant speed descending lifeline according to claim 6, is characterized in that, the second circular hole (62) on described variable load plate (6) is hinged with the 3rd minor axis (13), and its second strip hole (63) is sleeved on roller (53).
8. constant speed descending lifeline according to claim 7, it is characterized in that, described constant speed speed-limiting device (8) comprises shell (81) and is arranged on the gear wheel (82) in shell (81), pinion (83), escape wheel (84) and escapement lever (85), described constant speed speed-limiting device (8) is also included in the screw hole (86) be arranged on by shell (81) on substrate (1) that the interior corner of described shell (81) is arranged, described gear wheel (82) is coaxially fixed on constant speed wheel (2) and goes up and engage with pinion (83), described escape wheel (84) is coaxially fixed on pinion (83), described escapement lever (85) is installed with gear wheel (82) is coaxial and engages with escape wheel (84).
9. constant speed descending lifeline according to claim 8, it is characterized in that, the 4th circular hole (92) on described L plate (9) is hinged with the second minor axis (12), described 3rd strip hole (93) is enclosed within the 5th minor axis (43) of pressing plate (4), and described 3rd circular hole (91) is articulated with on the 6th minor axis (51) on control handle (5).
10. constant speed descending lifeline according to claim 9, it is characterized in that, described constant speed descending lifeline also comprises backplate (15), described backplate (15) middle part is hinged with described 4th minor axis (14) end, and described backplate (15) both ends oppositely offer U-lag (151), and described U-lag (151) respectively with axle (32) the activity clamping of guide pad (10) central shaft and brake pad (3).
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107569787A (en) * | 2017-11-09 | 2018-01-12 | 内蒙古农业大学 | Portable rope-climbing device with adaptive tensioning apparatus |
CN109835838A (en) * | 2019-03-08 | 2019-06-04 | 河南旭德隆机械有限公司 | Single rope friction hoisting machine |
CN110170116A (en) * | 2019-06-24 | 2019-08-27 | 滨州学院 | A kind of rope winding mechanism for ramp-down device |
CN111302148A (en) * | 2020-03-25 | 2020-06-19 | 翱文狄风电设备制造(上海)有限公司 | Steel wire rope pay-off device for mounting elevator in tower barrel of wind driven generator |
CN111870829A (en) * | 2020-07-08 | 2020-11-03 | 浙江唯海科技有限公司 | One-hand operation automatic protection descending device |
CN113384826A (en) * | 2020-07-08 | 2021-09-14 | 浙江唯海科技有限公司 | Single hand controlled self-protection descender |
CN115554624A (en) * | 2022-09-14 | 2023-01-03 | 金华捷科工具有限公司 | Contact type descent control device |
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CN1830500A (en) * | 2006-04-11 | 2006-09-13 | 王来勋 | Double-guarantee two-person high building lifesaving slow falling apparatus |
CN201308732Y (en) * | 2008-12-15 | 2009-09-16 | 葛畅 | Controllable friction-type tall building rapid escaping device |
CN202620513U (en) * | 2009-05-13 | 2012-12-26 | 伊尼蒂亚姆系统股份公司 | Lowering device comprising a swivel arm having contoured braking means |
CN205252341U (en) * | 2015-09-11 | 2016-05-25 | 北京宏景时代科技有限公司 | Ware slowly falls in constant speed |
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US4223761A (en) * | 1979-02-06 | 1980-09-23 | Walter Sonnberger | Apparatus for descending a rope |
CN2801205Y (en) * | 2005-06-29 | 2006-08-02 | 戚道利 | Sliding type slow lowering apparatus for user from high building |
CN1830500A (en) * | 2006-04-11 | 2006-09-13 | 王来勋 | Double-guarantee two-person high building lifesaving slow falling apparatus |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107569787A (en) * | 2017-11-09 | 2018-01-12 | 内蒙古农业大学 | Portable rope-climbing device with adaptive tensioning apparatus |
CN107569787B (en) * | 2017-11-09 | 2023-05-05 | 内蒙古农业大学 | Portable rope climbing device with self-adaptive tensioning device |
CN109835838A (en) * | 2019-03-08 | 2019-06-04 | 河南旭德隆机械有限公司 | Single rope friction hoisting machine |
CN109835838B (en) * | 2019-03-08 | 2023-10-27 | 河南旭德隆机械有限公司 | Single rope friction type elevator |
CN110170116A (en) * | 2019-06-24 | 2019-08-27 | 滨州学院 | A kind of rope winding mechanism for ramp-down device |
CN111302148A (en) * | 2020-03-25 | 2020-06-19 | 翱文狄风电设备制造(上海)有限公司 | Steel wire rope pay-off device for mounting elevator in tower barrel of wind driven generator |
CN111870829A (en) * | 2020-07-08 | 2020-11-03 | 浙江唯海科技有限公司 | One-hand operation automatic protection descending device |
CN113384826A (en) * | 2020-07-08 | 2021-09-14 | 浙江唯海科技有限公司 | Single hand controlled self-protection descender |
CN115554624A (en) * | 2022-09-14 | 2023-01-03 | 金华捷科工具有限公司 | Contact type descent control device |
CN115554624B (en) * | 2022-09-14 | 2024-06-07 | 金华捷科工具有限公司 | Contact descent control device |
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