CN102008789B

CN102008789B - Air landing device

Info

Publication number: CN102008789B
Application number: CN2010101735098A
Authority: CN
Inventors: 何少敦
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-24
Filing date: 2010-04-24
Publication date: 2012-05-30
Anticipated expiration: 2030-04-24
Also published as: WO2011131022A1; CN102008789A

Abstract

An air landing device. In order to overcome the disadvantage of causing potential hazards to the users as a result of the unreasonable stress structure of the crankshaft of existing air landing devices which adopt a crankshaft and a speed limit piston, the present invention provides an air landing device, the technical scheme of which is that the gravity member is supported by a carrier; the carrier is fixedly connected with a rope; the rope is enwound on a winding disc; the winding disc is fixed on a rotation shaft; the rotation shaft is mounted on a bearer by a shaft base; a rotating member is disposed on the rotation shaft; a crankshaft is disposed on the rotating member; the crankshaft is connected with the piston rod of the speed limit piston; the speed limit piston is fixed on the bearer. The invention is characterized in that a supporting pedestal, which is muff-coupled on the outer side of the rotating member, is disposed; when rotating the rotating member, the inner surface of the supporting pedestal cooperates with the outer surface of the rotating member and the supporting pedestal plays a supporting role to the rotating member. The beneficial effect of the present invention is to provide a more reasonable stress structure of the crankshaft and ensure safe use.

Description

A kind of aerial landing-gear

Technical field

The present invention relates to a kind of landing-gear, relate in particular to a kind of aerial landing-gear.

Background technology

In daily life or work, people face a danger through regular meeting aloft, if when not having other method to escape; Need be by the escape of aerial landing-gear, 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, and CN87216143 discloses and a kind ofly plays the aerial landing-gear of speed limit effect with piston and cam, but cam only bears pressure; Do not bear pulling force, in the landing process, exist speed limit inhomogeneous; 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 disclosed file of ZL2007201397042, because diagram is indeterminate, be difficult to confirm the canoe of life line, do not know that its structure was the rope formula or hid the rope formula; 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, the shortcoming to the user causes potential danger the present invention proposes a kind of aerial landing-gear; Its principle is: bent axle is connected with the piston rod of speed limit piston; Bent axle is mounted on the tumbler, and tumbler is installed on the turning cylinder of rope drum, and the rotation of rope drum drives turning cylinder and rotates; The moving axis revolution thereby the drive bent axle rotates; Drive piston operation thus, it is characterized in that: supporting seat of socket also in the outside of tumbler, supporting seat is fixed on the bearing.

The technical solution adopted for the present invention to solve the technical problems is, mainly comprises weight member, carries part, rope, rope drum, turning cylinder, tumbler, bent axle, axle bed, bearing and speed limit piston, and weight member is carried part through one and carried; Carry part and be connected with rope and fix, lanyard also is wrapped on the rope drum, and the rope drum is fixed on the turning cylinder; Turning cylinder is installed on the bearing through axle bed, and a tumbler is installed on turning cylinder, and a bent axle is installed on tumbler; Bent axle is connected with the piston rod of speed limit piston, and the speed limit piston is fixed on the bearing, when weight member descends; Rope drives the rope drum and rotates, and the rope drum drives tumbler when driving the turning cylinder rotation and rotates, thereby drives crank up; Drive the piston rod operation during crank up, it is characterized in that: a supporting seat also is set, and supporting seat is socketed in the outside and supporting seat inner surface and the tumbler outer surface of tumbler and works in coordination; When tumbler rotated, supporting seat played a supportive role to tumbler.

The invention has the beneficial effects as follows that a kind of aerial landing-gear that the present invention proposes is owing to be employed in the structure of tumbler outside socket supporting seat; When tumbler rotates; Supporting seat plays a supportive role to tumbler, makes the force structure of bent axle more reasonable, guarantees the safety of using.

Description of drawings

Fig. 1 is a kind of structural shape of existing product.

Fig. 2 is the another kind of structural shape of existing product.

Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the structure charts of first embodiment of the invention.

Fig. 7, Fig. 8 are the structure charts of second embodiment of the invention.

Fig. 9, Figure 10 are the structure charts of third embodiment of the invention.

Among the figure: 1. weight member, 2. year part, 3. rope, 4. rope drum, 5. turning cylinder; 5.1 bent axle, 5.2 tumblers, 5.2.1 tumbler outer surface, 6.1,6.2 axle beds, 7 pistons; 7.1 piston rod, 8. bearing, 9. supporting seat, 9.1 supporting seat inner surfaces, 10 built-in parts; 10.1 the built-in part inner surface, 11 transmissions, 11.1A, 11.1B transmission driving member, 11.2 power transmission shafts, 11.3A, 11.3B transmission axle bed.

The specific embodiment

Fig. 1 is a kind of structural shape of existing product, shows among the figure, and weight member 1 is carried through carrying part 2; Carry part 2 and be connected with rope 3 and fix, rope 3 is wrapped on the rope drum 4, and rope drum 4 is fixed on the turning cylinder 5; Turning cylinder 5 is installed on the bearing 8 through axle bed 6.1 and 6.2, and the piston rod 7.1 of piston 7 is connected with bent axle 5.1, and rope 3 drives rope drum 4 and rotates; Thereby drive turning cylinder 5 and rotate and drive bent axle 5.1 revolutions, drive piston rod 7.1 operations during bent axle 5.1 revolutions, in this structure; Because rope drum 4 is driving links and piston 7 is Passive parts, bent axle 5.1 two ends discontinuity, so the force structure of bent axle 5.1 is unreasonable; Because the unreasonable problem of bent axle force structure causes certain potential danger to the user; This structure is different with the automobile engine crankshaft structure, and the automobile engine piston is a driving link with respect to bent axle, so the automobile engine crankshaft two ends are stressed evenly.

Fig. 2 is the another kind of structural shape of existing product, shows among the figure, and a tumbler 5.2 is installed on the turning cylinder 5, and a bent axle 5.1 is installed on the tumbler 5.2; Therefore, rope 3 drives rope drum 4 and rotates, and rotates thereby drive turning cylinder 5; Turning cylinder 5 drives tumbler 5.2 and rotates when rotating, thereby drives bent axle 5.1 revolutions, and the piston rod 7.1 of piston 7 is connected with bent axle 5.1; Drive piston rod 7.1 operations during bent axle 5.1 revolutions, in this structure, because tumbler 5.2 is mounted in the axle head of rotating shaft 5; Be a kind of hanging structure, cause mounted thereto bent axle 5.1 force structures unreasonable, cause certain potential danger to the user.

The structural representation of Fig. 3, Fig. 4, Fig. 5, Fig. 6 first embodiment of the invention;

Show among Fig. 3 that weight member 1 is carried through carrying part 2, carries part 2 and is connected fixing with rope 3; Rope 3 is fixing and is wrapped on the rope drum 4 that rope drum 4 is fixed on the turning cylinder 5, and turning cylinder 5 is installed on the bearing 8 through axle bed 6.1 and 6.2; A tumbler 5.2 is installed on the turning cylinder 5, a bent axle 5.1 is installed on the tumbler 5.2, the piston rod 7.1 of piston 7 is connected with bent axle 5.1; When weight member 1 descended, rope 3 drove rope drum 4 and rotates, and rotated thereby drive turning cylinder 5; Turning cylinder 5 drives tumbler 5.2 and rotates when rotating, thereby drives bent axle 5.1 revolutions, drives piston rod 7.1 operations during bent axle 5.1 revolutions; It is characterized in that, supporting seat 9 of socket also in tumbler 5.2 outsides, supporting seat 9 is fixed on the bearing 8;

Fig. 4 is the structural representation behind local the amplification; Show among the figure that when supporting seat 9 was socketed in tumbler 5.2 outsides, the outer surface 5.2.1 of the inner surface of supporting seat 9 and tumbler 5.2 worked in coordination; When tumbler 5.2 rotated, 9 pairs of tumblers 5.2 of supporting seat played a supportive role;

Fig. 5 is the three-dimensional effect diagram after tumbler 5.2 is taken apart with supporting seat 9;

Fig. 6 is that supporting seat 9 is socketed in the three-dimensional effect diagram on the tumbler 5.2;

In first embodiment, rope 3 is fixing and is wrapped on the rope drum 4, is to hide rope-like structure; 1 of gravity can be people or object, and bearing 8 can be a housing, during use; Bearing 8 is fixed on eminence, and weight member 1 can be through carrying part 2 from the eminence safe falling.

The structure chart of Fig. 7, Fig. 8 second embodiment of the invention, wherein Fig. 7 is a structural representation, Fig. 8 is the structural representation behind local the amplification; Show among the figure that different with first embodiment is, in the present embodiment; Supporting seat 9 inside also are provided with a built-in part 10; The inner surface 10.1 of built-in part 10 is worked in coordination with the outer surface 5.2.1 of tumbler 5.2, and when tumbler 5.2 rotated, supporting seat 9 played a supportive role through 10 pairs of tumblers 5.2 of built-in part; Built-in part 10 can be a bearing, also can be axle sleeve.

Fig. 9, Figure 10 are the structure charts of third embodiment of the invention, and wherein Fig. 9 is a structural representation, and Figure 10 is the structural representation behind local the amplification, shows among the figure; Different with first embodiment is in the present embodiment, also to set up a transmission 11; Mainly comprise transmission driving member 11.1A and 11.1B, power transmission shaft 11.2, transmission axle bed 11.3A and 11.3B, wherein, transmission driving member 11.1A is installed on the turning cylinder 5; And transmission driving member 11.1B is installed on the power transmission shaft 11.2, and power transmission shaft 11.2 is installed on the bearing 8, in the present embodiment through transmission axle bed 11.3A and 11.3B; Tumbler 5.2 is mounted on the power transmission shaft 11.2, and bent axle 5.1 is installed on the tumbler 5.2, supporting seat 9 of socket also in tumbler 5.2 outsides; Supporting seat 9 is fixed on the bearing 8, and the outer surface 5.2.1 of the inner surface of supporting seat 9 and tumbler 5.2 works in coordination, when weight member 1 descends; Rope 3 drives rope drum 4 and rotates, and rotates thereby drive turning cylinder 5, and turning cylinder 5 drives transmission 11 when rotating driving member 11.1A rotates; Rotate thereby drive driving member 11.1B, and then drive power transmission shaft 11.2 rotates and drive tumbler 5.2 rotates, make bent axle 5.1 revolutions; Drive piston rod 7.1 operations during bent axle 5.1 revolutions, when tumbler 5.2 rotated, 9 pairs of tumblers 5.2 of supporting seat played a supportive role;

In the 3rd embodiment, transmission can be the chain transmission, also can be band transmission or gear drive, or known other transmission;

In the 3rd embodiment, transmission driving member 11.1A also can select directly to be fixed on the rope drum 4;

In the 3rd embodiment, can also increase by second characteristic among the embodiment, at supporting seat 9 set inside built-in parts.

Claims

1. an aerial landing-gear mainly comprises weight member, carries part, rope, rope drum, turning cylinder, tumbler, bent axle, axle bed, bearing and speed limit piston, and weight member is carried part through one and carried; Carry part and be connected with rope and fix, lanyard also is wrapped on the rope drum, and the rope drum is fixed on the turning cylinder; Turning cylinder is installed on the bearing through axle bed, and a tumbler is installed on turning cylinder, and a bent axle is installed on tumbler; Bent axle is connected with the piston rod of speed limit piston, and the speed limit piston is fixed on the bearing, under the effect of weight member; Rope drives the rope drum and rotates, and the rope drum drives tumbler when driving the turning cylinder rotation and rotates, thereby drives crank up; Drive the piston rod operation during crank up, it is characterized in that: a supporting seat also is set, and said supporting seat is socketed in the outside and supporting seat inner surface and the tumbler outer surface of tumbler and works in coordination; When tumbler rotated, supporting seat played a supportive role to tumbler.

2. aerial landing-gear according to claim 1 is characterized in that: said supporting seat is fixed on the bearing.

3. aerial landing-gear according to claim 1; It is characterized in that: said supporting seat inside also is provided with a built-in part; Said built-in part is socketed in the outside and built-in part inner surface and the tumbler outer surface of tumbler and works in coordination; When tumbler rotated, supporting seat played a supportive role to tumbler through built-in part.

4. aerial landing-gear according to claim 3 is characterized in that: said built-in part can be a bearing, also can be axle sleeve.

5. aerial landing-gear according to claim 1; It is characterized in that: also set up a transmission, said transmission mainly comprises transmission driving member, power transmission shaft and transmission axle bed, and a driving member of transmission is installed on the turning cylinder of said rope drum; And another driving member of transmission is installed on the power transmission shaft of said transmission; Power transmission shaft is installed on the bearing through the transmission axle bed, and said tumbler is mounted on the power transmission shaft, and bent axle is installed on tumbler; Bent axle is connected with the piston rod of speed limit piston, and the speed limit piston is fixed on the bearing.