CN102019047A

CN102019047A - Falling device in air

Info

Publication number: CN102019047A
Application number: CN 201010562187
Authority: CN
Inventors: 何少敦
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-19
Filing date: 2010-11-19
Publication date: 2011-04-20
Anticipated expiration: 2030-11-19
Also published as: EE201300020A; LT2013042A; EE05736B1; LT5975B; WO2012065396A1; CN102019047B

Abstract

The invention relates to a falling device in the air. Aiming at overcoming the defects that the falling device in the air adopting crankshafts and speed-limiting pistons has unreasonable structure and causes potential hazards to a user, the invention provides the falling device in the air, and the principle thereof is as follows: the two sides of rope winding discs are provided with transmission components with synchronous rotation, the crankshafts are arranged on rotating pieces of the transmission components with synchronous rotation; when the winding disc rotates, the rotating components are driven to rotate synchronously and drive the crankshafts to rotate reversely; when the crankshafts rotate reversely, hydraulic speed-limiting components are driven to act; when acting, the hydraulic speed-limiting components apply resistance on the crankshafts, therefore, the rotation of winding disc components is limited, and the rotating speed of the winding disc components can be adjusted by adjusting piston speed adjusting pieces.

Description

A kind of aerial downfall equipment

Technical field

The utility model relates to a kind of landing-gear, relates in particular to the aerial downfall equipment of a kind of hydraulic pressure speed limit.

Background technology

In daily life or work, people face a danger aloft through regular meeting, if when not having other method to escape, need be by aerial landing-gear escape, known aerial landing-gear is to comprise friction speed-limited, hand brake speed-limited and hydraulic damping speed-limited, the above two shortcomings are poor reliability, the latter is relatively simple for structure, performance is also reliable, CN87216143 discloses a kind of aerial landing-gear that plays the speed limit effect with piston and cam, but cam only bears pressure, does not bear pulling force, exists speed limit inhomogeneous in the landing process; ZL2003101127389 discloses a kind of principle that adopts bent axle to be connected with Hydraulic Adjustable Speed formula controller respectively with ZL2003201232361, but owing to adopt chain ladder, descent altitude is restricted; ZL2007202016917 discloses the aerial downfall equipment of a kind of hydraulic pressure speed-limited, and its structure was the rope formula, must at first correctly put on the lifesaving rope during use, causes certain trouble to the user; In the aerial downfall equipment that adopts bent axle and speed limit piston now, because the speed limit piston is a Passive part, therefore the discontinuity of crankshaft two end, exists the irrational problem of bent axle force structure, causes certain potential danger to the user.

Summary of the invention

Exist the bent axle force structure unreasonable in order to overcome the aerial downfall equipment that adopts bent axle and speed limit piston now, cause the shortcoming of potential danger to the user, the present invention proposes a kind of aerial landing-gear, its principle is: the transmission component that synchronous rotation is set in the both sides of rope drum, bent axle is mounted on the tumbler of synchronous runner assembly, drive runner assembly when drum rotates and rotate and drive crank up synchronously, drive the action of hydraulic pressure speed limit assembly during crank up, during the action of hydraulic pressure speed limit assembly bent axle is applied resistance, thereby the rotation of restriction drum assembly, the velocity of rotation that regulating piston speed governing part can be regulated the drum assembly.

The technical scheme of the aerial downfall equipment that the present invention proposes is mainly to comprise body 1, rope drum assembly 2, hydraulic pressure speed limit assembly 3; Rope drum assembly 2 mainly comprises drum 2.1A and 2.1B, central part 2.2, rope 2.31, end fixture 2.41 and central shaft 2.5, rope 2.31 is wrapped on the rope drum and end fixture 2.41 is set endways, and drum is installed on bearing 1A and the 1B by central shaft 2.5; Hydraulic pressure speed limit assembly 3 mainly comprises bent axle 3.1, speed limit piston 3.2, rod end connector 3.3, piston fulcrum 3.4A and 3.4B, fixture 3.5A and 3.5B, piston speed governing part 3.6, piston fulcrum 3.4A and 3.4B are fixed on the speed limit piston 3.2, piston fulcrum 3.4A and 3.4B cooperate with piston fixture 3.5A and 3.5B respectively, piston fixture 3.5A and 3.5B are separately fixed on bearing 1A and the 1B, bent axle 3.1 is connected with rod end coupling 3.3, it is characterized in that:

synchronous runner assembly

4A and 4B also are set,

runner assembly

4A and 4B are separately positioned on the both sides of rope drum assembly 2, runner assembly 4A mainly comprises tumbler 4A11 and 4A12 and the fixture 4A3 that is used to install and fix, tumbler 4A11 is fixed on rope drum one side, tumbler 4A12 is mounted on the fixture 4A3, and fixture 4A3 is fixed on the bearing 1A; In like manner, runner assembly 4B mainly comprises tumbler 4B11 and 4B12 and the fixture 4B3 that is used to install and fix, and tumbler 4B11 is fixed on the opposite side of rope drum, and tumbler 4B12 is installed on the fixture 4B3, and fixture 4B3 is fixed on the bearing 1B; Bent axle 3.1 is arranged between tumbler 4A12 and the 4B12.Under the gravity effect, rope 2.31 drives drum assembly 2 and rotates, drive

runner assembly

4A and 4B simultaneously and rotate and drive bent axle 3.1 revolutions synchronously, drive 3 actions of hydraulic pressure speed limit assembly during bent axle 3.1 revolutions, during 3 actions of hydraulic pressure speed limit assembly bent axle 3.1 is applied resistance, thereby the rotation of restriction drum assembly 3, the velocity of rotation that regulating piston speed governing part 3.6 can be regulated drum assembly 3.

The present invention also proposes the subordinate scheme: also be provided with conductor rope assembly 5 on body 1, conductor rope assembly 5 divides upside and downside to be installed on the body 1 by Connection Block by two rolling assemblies at least, according to the winding direction of rope be provided with in the rolling assembly of upper and lower side by the force direction contraposition, upside rolling assembly and downside rolling assembly be cross-shaped attitude in the space, always presses from the surface of upside rolling assembly and downside rolling assembly when rope 2.31 moves; Its preferred example is: conductor rope assembly 5 mainly comprises rolling assembly 5.1A1 and 5.1B1, axle 5.1A12 and 5.1B12 and Connection Block 5.2A and 5.2B, rolling assembly 5.1A1 mainly comprises rolling member 5.1A11 and the axle 5.1A12 that tape spool holds, rolling assembly 5.1B1 mainly comprises rolling member 5.1B11 and the axle 5.1B12 that tape spool holds, rolling assembly 5.1A1 and axle 5.1A12 are arranged on upside, rolling assembly 5.1B1 and axle 5.1B12 are groined type and are arranged on downside, rope 2.31 passes from the hollow position of groined type, when rope 2.31 rotates from rolling member 5.1A11 and 5.1B11 surface pressure out-of-date drive rolling assembly 5.1A1 and 5.1B1, form the wearing and tearing that rolling friction can reduce rope between rope 2.31 and the assembly, the hollow position that rope 2.31 is limited in groined type can make the downfall equipment held stationary.

Preferred version of the present invention: be arranged at rope drum both sides runner assembly 4A and the transmission of runner assembly 4B preference chain; The present invention's prompting also can be selected gear drive or known other kind of drive.

Preferred version of the present invention: during use, downfall equipment body 1 is fixed on eminence, landing part (human body) is fixed together with end fixture 2.41, and rope 2.31 moves down under the gravity effect.

Preferred version of the present invention: body 1 is to be connected and fixed by several carrier link 1.1 by bearing 1A that is platy structure and 1B to constitute, fixture 3.5A, the 4A3 and 3.5B, the 4B3 that are used to install and fix are separately fixed at

bearing

1A and 1B, and fixed form can adopt blind rivet to fix; The present invention's prompting also can be adopted bolt or other known fixed form.

Preferred version of the present invention: bearing 1A and 1B go to upper and lower half shell-like structure, body 1 is the shelly body that is made of after superimposed bearing 1A and 1B, bearing 1A and 1B adopt to comprise that the mode manufacturing of punching press forms, fixture 3.5A, the 4A3 and 3.5B, the 4B3 that are used to install and fix are separately fixed at

bearing

Preferred version of the present invention: bearing 1A and 1B go to upper and lower half shell-like structure, body 1 is the shelly body that is made of after superimposed

bearing

1A and 1B, the mode manufacturing of bearing 1A and the preferred die casting of 1B forms, and fixture 3.5A, the 4A3 that is used to install and fix and 3.5B, 4B3 are cast into one with

bearing

1A and 1B respectively.

Preferred version of the present invention: also be provided with braces 6, braces 6 is fixed on the body 1, during use, end fixture 2.41 is fixed on eminence, and be fixed together by will land part (human body) and body 1 of braces 6, under the gravity effect, downfall equipment lands with the landing part.In this scheme, adopt braces 6 to fix between bearing and the landing part, landing part (human body) is in the mode of having a burden with the downfall equipment back of the body together.

Preferred version of the present invention: on body 1, also be provided with and be used for connector that human body and downfall equipment are connected and fixed; The preferred structure of described connector mainly comprises rope 2.32 and end fixture 2.42, and rope 2.32 one ends and body 1 are fixing and the other end and end fixture 2.42 are connected and fixed.During use, end fixture 2.41 is fixed on eminence, and end fixture 2.42 is fixing with landing part (human body), under the gravity effect, downfall equipment lands with the landing part.

The invention has the beneficial effects as follows, the aerial downfall equipment that the present invention proposes, simple in structure, crankshaft installed is between two tumblers that rotate synchronously, and is stressed reasonable, and dependable performance can be guaranteed safe handling.

Description of drawings

Fig. 1 to Fig. 4 is the structural representation of first embodiment of the invention, and Fig. 2 is the A-A cutaway view of this embodiment, and Fig. 3 is the B-B cutaway view of this embodiment.

Fig. 5 is the structural representation of second embodiment of the invention.

Fig. 6, Fig. 7 are the structural representation of third embodiment of the invention.

Fig. 8-Figure 12 is the structural representation of four embodiment of the invention, and wherein Figure 10, Figure 11, Figure 12 are partial perspective view.

Figure 13 is the structural representation of fifth embodiment of the invention.

Figure 14 is the structural representation of sixth embodiment of the invention.

Among the figure:

1 body, 1A, 1B bearing, 1.1 carrier link;

2 drum assemblies, 2.1A, 2.1B drum, 2.2 central parts, 2.3A wearing piece, 2.31,2.32 ropes, 2.41,2.42 end fixtures, 2.5 central shafts;

3 hydraulic pressure speed limit assemblies, 3.1 bent axles, 3.2 pistons, 3.3 rod end edge joint spares, 3.4A, 3.4B piston fulcrum, 3.5A, 3.5B, 4A3,4B3 fixture, 3.6 piston speed governing parts;

4A, 4B runner assembly, 4A11,4A12,4B11,4B12 tumbler, 4A2,4B2 chain;

5. conductor rope assembly, 5.1A1,5.1B1 rolling assembly, 5.1A11,5.1B11 rolling member, 5.1A12,5.1B12 axle, 5.2A, 5.2B Connection Block;

6 braces, 6.11,6.12,6.13,6.14,6.15,6.21,6.22,6.23,6.24,6.25 braces links.

The specific embodiment

As seen, present embodiment mainly comprises body 1, rope drum assembly 2, hydraulic pressure speed limit assembly 3,

synchronous runner assembly

4A and 4B in Fig. 1 to Fig. 4;

In Fig. 1 to Fig. 4 as seen, body 1 is to be connected and fixed by several carrier link 1.1 by bearing 1A that is platy structure and 1B to constitute, fixture 3.5A, the 4A3 and 3.5B, the 4B3 that are used to install and fix are separately fixed at

bearing

1A and 1B, and the preferred blind rivet of fixed form is fixed; The present invention's prompting also can be adopted bolt or other known fixed form;

In Fig. 1 and Fig. 2 as seen, rope drum assembly 2 mainly comprises drum 2.1A and 2.1B, central part 2.2, rope 2.31, end fixture 2.41 and turning cylinder 2.5, rope 2.31 is wrapped on the rope drum and end fixture 2.41 is set endways, and drum is installed on bearing 1A and the 1B by turning cylinder 2.5;

As seen, hydraulic pressure speed limit assembly 3 mainly comprises bent axle 3.1, speed limit piston 3.2, rod end connector 3.3, piston fulcrum 3.4A and 3.4B, fixture 3.5A and 3.5B, piston speed governing part 3.6 in Fig. 1 and Fig. 2; In Fig. 3, piston fulcrum 3.4A and 3.4B are fixed on the speed limit piston 3.2, and piston fulcrum 3.4A and 3.4B cooperate with fixture 3.5A and 3.5B respectively, and fixture 3.5A and 3.5B are separately fixed on bearing 1A and the 1B; In Fig. 2, bent axle 3.1 is connected with rod end coupling 3.3, in the present embodiment, and the rod end connector of rod end coupling 3.3 preferred band oscillating bearings;

In Fig. 1 to Fig. 4 as seen, the present embodiment difference with the prior art is characterised in that:

runner assembly

4A and 4B that synchronous rotation also is set in the both sides of rope drum assembly 2, runner assembly 4A mainly comprises tumbler 4A11 and 4A12 and the fixture 4A3 that is used to install and fix, tumbler 4A11 is fixed on rope drum one side, tumbler 4A12 is installed on the fixture 4A3, and fixture 4A3 is fixed on the bearing 1A; In like manner, runner assembly 4B mainly comprises tumbler 4B11 and 4B12 and the fixture 4B3 that is used to install and fix, and tumbler 4B11 is fixed on the opposite side of rope drum, and tumbler 4B12 is installed on the fixture 4B3, and fixture 4B3 is fixed on the bearing 1B; Bent axle 3.1 is arranged between tumbler 4A12 and the 4B12; Rope drives the drum assembly and rotates, and drives runner assembly 4A and runner assembly 4B simultaneously and rotates and drive bent axle 3.1 revolutions synchronously, drives piston rod during bent axle 3.1 revolutions and moves;

In the present embodiment, runner assembly 4A and the transmission of runner assembly 4B preference chain, as seen, 4A2 and 4B2 are chain transmissions in Fig. 2; The present invention's prompting, runner assembly 4A and runner assembly 4B can also adopt gear drive or other known transmission;

Present embodiment is fit in use downfall equipment is fixed on eminence.During use, downfall equipment is fixed on eminence, the landing part is that human body passes through end fixture 2.41 and rope 2.31 is fixing, under the effect of human body gravity, rope 2.31 moves down and drives 2 rotations of drum assembly, drum assembly 2 rotates and drives runner assembly 4A and runner assembly 4B rotation synchronously and drive bent axle 3.1 revolutions, drive 3 actions of hydraulic pressure speed limit assembly during bent axle 3.1 revolutions, during 3 actions of hydraulic pressure speed limit assembly bent axle 3.1 is applied resistance, thereby the rotation of restriction drum assembly 3, the velocity of rotation that regulating piston speed governing part 3.6 can be regulated drum assembly 3.

Fig. 5 is the structural representation of second embodiment of the invention.Different with first enforcement is, in the present embodiment, bearing 1A and 1B go to upper and lower half shell-like structure, the superimposed back of

bearing

1A and 1B constitutes shelly body 1, in the present embodiment, the mode of bearing 1A and the preferred die casting of 1B is made, and fixture 3.5A, 4A3 and 3.5B, 4B3 are cast into one with

bearing

1A and 1B respectively; The present invention's prompting, bearing 1A and 1B also can adopt the mode that comprises punching press to make, bearing 1A and 1B go to upper and lower half shell-like structure, and fixture 3.5A, the 4A3 that is used to install and fix and 3.5B, 4B3 are separately fixed at

bearing

1A and 1B, and the preferred blind rivet of fixed form is fixed.

Fig. 6, Fig. 7 are the structural representation of third embodiment of the invention.Implement with first different be, in the present embodiment, the drum 2.1A of drum assembly and the tumbler 4A11 of runner assembly 4A are same members, in like manner, the drum 2.1B of drum assembly and the tumbler 4B11 of runner assembly 4B are same members.

Fig. 8 to Figure 12 is the structural representation of four embodiment of the invention, and wherein Figure 10, Figure 11, Figure 12 are partial perspective view.Different with first enforcement is, this embodiment also is provided with conductor rope assembly 5, conductor rope assembly 5 mainly comprises rolling assembly 5.1A1 and 5.1B1, axle 5.1A12 and 5.1B12 and Connection Block 5.2A and 5.2B, rolling assembly 5.1A1 mainly comprises rolling member 5.1A11 and the axle 5.1A12 that tape spool holds, rolling assembly 5.1B1 mainly comprises rolling member 5.1B11 and the axle 5.1B12 that tape spool holds, in Figure 12 as seen, rolling assembly 5.1A1 and axle 5.1A12 are arranged on upside, rolling assembly 5.1B1 and axle 5.1B12 are groined type and are arranged on downside, rope 2.31 passes from the hollow position of groined type, when rope 2.31 rotates from rolling assembly 5.1A1 and 5.1B1 surface pressure out-of-date drive rolling assembly 5.1A1 and 5.1B1, the hollow position that rope 2.31 is limited in groined type can make the downfall equipment held stationary; The present invention also points out, conductor rope assembly 5 can divide upside and downside to be installed on the body 1 by Connection Block by at least two rolling assemblies to form, can and be provided with in the rolling assembly of upper and lower side by the force direction contraposition according to the winding direction of rope, upside rolling assembly and downside rolling assembly be cross-shaped attitude in the space, always presses from the surface of upside rolling assembly and downside rolling assembly when rope 2.31 moves; The present invention also points out, and the feature of conductor rope assembly also can be used in first to the 3rd embodiment in this example;

In the present embodiment, also be provided with Backpack type braces 6 on the body 1, Backpack type braces 6 be provided be used between braces 6 and the body 1 and braces 6 and human body between each link of being connected, described link comprises by human body and passes the link that then is connected and fixed in the shirtfront of human body and the link of belt type from striding down behind; In the middle of present embodiment, the preferred structure of braces 6 mainly comprises braces link 6.11,6.12,6.13,6.14,6.15,6.21,6.22,6.23,6.24,6.25, braces link 6.11,6.12,6.13,6.14 constitutes a side braces, braces link 6.11 is fixed with the Connection Block of conductor rope assembly 5, braces link 6.14 is fixed with bearing, in like manner, braces link 6.21,6.22,6.23,6.24 constitutes an other side braces, braces link 6.21 is fixed with the Connection Block of conductor rope assembly 5, and braces link 6.24 is fixed with bearing; Human body landed with downfall equipment when present embodiment was suitable for using, during use, human body is carried on the back downfall equipment on back by braces link 6.15 and 6.25, link 6.13 then is connected with 6.22 with 6.12 respectively in the shirtfront of human body from striding down to pass by human body back with 6.23, link 6.14 and 6.24 be connected to each other form with waistband with the downfall equipment tighten on the waist of human body, end fixture 2.41 is fixed on eminence, and under the effect of gravity, landing part (human body) slowly descends; In the present embodiment, the structure of braces 6 structures is a schematic diagram, can utilize known braces structure, structure and type of attachment to braces 6 are improved, each link at braces 6 can be provided with known quick fastener with convenient use, fastener often has application in daily knapsack fast, shows among the figure; In the present embodiment, can also on bearing 1A, cushion be set, can safety and comfort when the back to guarantee human body with the downfall equipment back of the body, it is a kind of known technology that cushion is set, and shows among the figure.

Figure 13 is the structural representation of fifth embodiment of the invention.Different with the 4th embodiment is that this embodiment is provided with wearing piece 2.3A in the position that rope 2.31 is positioned near end connector 2.41; In the middle of present embodiment, preferred wear-resistant sleeve of wearing piece 2.3A such as rubber tube or PTFE heat-shrinkable T bush, also can adopt other known sleeve component, the length of wearing piece 2.3A can be preferably 1.5 to 3 meters, the wearability when wearing piece 2.3A is used to strengthen rope and contacts with windowsill or corner.

Figure 14 is the structural representation of sixth embodiment of the invention.Different with the 4th embodiment is, this embodiment is not provided with braces, is used for connector that human body and downfall equipment are connected and fixed but also be provided with on body 1; The preferred structure of described connector mainly comprises rope 2.32 and end fixture 2.42, and rope 2.32 one ends and body 1 are fixing and the other end and end fixture 2.42 are connected and fixed.During use, end fixture 2.41 is fixed on eminence, and end fixture 2.42 is fixing with landing part (human body), under the gravity effect, downfall equipment lands with the landing part.

The present invention's prompting, can also a protective sleeve be set at engine body exterior, because people in use, because downfall equipment is that the back of the body is on back, protective sleeve can prevent that hair from entering internal body and producing accident, also can prevent that finger is rotated the assembly injury because of carelessness when people need save piston speed governing part with hand adjustment simultaneously; Protective sleeve can adopt the knapsack pattern, slide fastener can be set on protective sleeve be used for the protective sleeve open and close.

Claims

1. an aerial downfall equipment mainly comprises body (1), rope drum assembly (2), hydraulic pressure speed limit assembly (3); Rope drum assembly (2) mainly comprise drum (2.1A) and (2.1B), central part (2.2), rope (2.31), end fixture (2.41) and central shaft (2.5), rope (2.31) is wrapped on the rope drum and is provided with endways end fixture (2.41), drum by central shaft (2.5) be installed in bearing (1A) and (1B) on; Hydraulic pressure speed limit assembly (3) mainly comprises bent axle (3.1), speed limit piston (3.2), rod end connector (3.3), piston fulcrum (3.4A) and (3.4B), fixture (3.5A) and (3.5B), piston speed governing part (3.6), piston fulcrum (3.4A) and (3.4B) be fixed on the speed limit piston (3.2), piston fulcrum (3.4A) and (3.4B) cooperate with piston fixture (3.5A) with (3.5B) respectively, piston fixture (3.5A) and (3.5B) be separately fixed at bearing (1A) and (1B) on, bent axle (3.1) is connected with rod end coupling (3.3), it is characterized in that: synchronous runner assembly (4A) and (4B) also is set, runner assembly (4A) and (4B) be separately positioned on the both sides of rope drum assembly (2), runner assembly (4A) mainly comprises tumbler (4A11) and (4A12) and the fixture that is used to install and fix (4A3), tumbler (4A11) is fixed on rope drum one side, tumbler (4A12) is mounted on the fixture (4A3), fixture (4A3) is fixed on the bearing (1A), runner assembly (4B) mainly comprises tumbler (4B11) and (4B12) and the fixture that is used to install and fix (4B3), tumbler (4B11) is fixed on the opposite side of rope drum, and tumbler (4B12) is installed on the fixture (4B3), fixture (4B3) is fixed on the bearing (1B), described bent axle (3.1) be arranged on tumbler (4A12) and (4B12) between.

2. aerial landing-gear according to claim 1, it is characterized in that: described body (1) is to be connected and fixed formation by the bearing that is platy structure (1A) with (1B) by several carrier link (1.1), described fixture (3.5A), (4A3) and (3.5B), (4B3) be separately fixed at bearing (1A) and (1B) on.

3. aerial landing-gear according to claim 1 is characterized in that: described bearing (1A) and (1B) go to upper and lower half shell-like structure, bearing (1A) and (1B) superimposed back constitute shelly body (1).

4. aerial landing-gear according to claim 4 is characterized in that: described fixture (3.5A), (4A3) and (3.5B), (4B3) with bearing (1A) and (1B) be cast into one respectively.

5. aerial landing-gear according to claim 1, it is characterized in that: on body (1), also be provided with conductor rope assembly (5), conductor rope assembly (5) mainly comprises rolling assembly (5.1A1) and (5.1B1), axle (5.1A12) and (5.1B12) and Connection Block (5.2A) and (5.2B), rolling assembly (5.1A1) mainly comprises rolling member (5.1A11) and the axle (5.1A12) that tape spool holds, rolling assembly (5.1B1) mainly comprises rolling member (5.1B11) and the axle (5.1B12) that tape spool holds, rolling assembly (5.1A1) and axle (5.1A12) are arranged on upside, rolling assembly (5.1B1) and axle (5.1B12) are groined type and are arranged on downside, and rope (2.31) passes from the hollow position of groined type.

6. aerial landing-gear according to claim 1, it is characterized in that: on body (1), also be provided with conductor rope assembly (5), conductor rope assembly (5) divides upside and downside to be installed on the body (1) by Connection Block by two rolling assemblies at least, can and be provided with in the rolling assembly of upper and lower side by the force direction contraposition according to the winding direction of rope, upside rolling assembly and downside rolling assembly be cross-shaped attitude in the space, always presses from the surface of upside rolling assembly and downside rolling assembly when rope 2.31 moves.

7. aerial landing-gear according to claim 7, it is characterized in that: conductor rope assembly (5) mainly comprises rolling assembly (5.1A1) and (5.1B1), axle (5.1A12) and (5.1B12) and Connection Block (5.2A) and (5.2B), rolling assembly (5.1A1) mainly comprises rolling member (5.1A11) and the axle (5.1A12) that tape spool holds, rolling assembly (5.1B1) mainly comprises rolling member (5.1B11) and the axle (5.1B12) that tape spool holds, described rolling assembly (5.1A1) and axle (5.1A12) are arranged on upside, described rolling assembly (5.1B1) and axle (5.1B12) are groined type and are arranged on downside, and rope (2.31) passes from the hollow position of groined type and crosses and drive rolling assembly (5.1A1) and (5.1B1) rotation from rolling assembly (5.1A1) and surface pressure (5.1B1).

8. aerial landing-gear according to claim 1, it is characterized in that: also be provided with Backpack type braces (6) on the described body (1), Backpack type braces (6) be provided be used between braces (6) and the body (1) and braces (6) and human body between each link of being connected, described link comprises by human body and passes the link that then is connected and fixed in the shirtfront of human body and the link of belt type from striding down behind.

9. aerial landing-gear according to claim 1 is characterized in that: the position that is positioned near end connector (2.41) at described rope (2.31) is provided with wearing piece (2.3A).

10. aerial landing-gear according to claim 1, it is characterized in that: also be provided with on the described body (1) and be used for connector that human body and downfall equipment are connected and fixed, described connector mainly comprises rope (2.32) and end fixture (2.42), and rope (2.32) one ends and body (1) are connected and fixed and the other end and end fixture (2.42) are connected and fixed.