CN102085991A

CN102085991A - Dual-brake safe lock

Info

Publication number: CN102085991A
Application number: CN2009102496142A
Authority: CN
Inventors: 张功元; 胡复中
Original assignee: Wuxi Huake Machine Equipment Co Ltd
Current assignee: Wuxi Huake Machine Equipment Co Ltd
Priority date: 2009-12-08
Filing date: 2009-12-08
Publication date: 2011-06-08
Anticipated expiration: 2029-12-08
Also published as: CN102085991B

Abstract

The invention discloses a dual-brake safe lock characterized by comprising a work box (1), a safe box (2), a work rope (10), a safe rope (11) and a control box (3). The work box (1), the safe box (2) and the control box (3) are sequentially connected together, the work rope (10) is braked by the work box (1), and the safe rope (11) is braked by the safe box (2). The invention has the advantages of simple, reasonable and compact structure and double braking force by adding the safe box (2) in the prior art and realizes the advantages of great spare part reduction and simplified structure by adopting mandril springs (6A and 6B).

Description

A kind of pair of brake safe lock

Technical field

The strong force safety that the present invention relates to use on a kind of high-lift operation hanging cradle is locked, and particularly, relates to a kind of pair of brake safe lock.

Background technology

In recent years, along with aerial work basket widespread use at home and abroad, obtained widespread use as the safety lock of main safety device, its style constantly updates, and the safety arrestment effect is constantly strengthened.Because the develop rapidly of international building industry, the style of hanging basket presents varied,, overlength hanging basket funnel-shaped as: rectangle, right angle, circular arc, deep-wall type, superelevation, overweight hanging basket etc.Requirement to braking comes height more, and is special in the idea that people-oriented, and original instrument is brake safe rope list brake safe lock only, promptly anti-inclination safety lock and centrifugal safety lock, and safety can't meet requirements; While safety lock structure complexity, the unreasonable defectives such as processing technology complexity, cost height that cause.Existing safety lock can not adapt to the safety performance needs of the various hanging baskets of domestic and international develop rapidly.

Summary of the invention

The objective of the invention is to,, propose a kind of pair of brake safe lock, with the advantage that realizes improving braking effect and simplify inner structure at the problems referred to above.

For achieving the above object, the technical solution used in the present invention is:

A kind of pair of brake safe lock comprises work box, safety box, working rope, safety rope and control box; Linking together of described work box, safety box and control box order; Described working rope is braked by work box; Described safety rope is braked by safety box, promptly settles the control box of two synchronous interactions in safety lock, and when working rope exceeded the speed limit, work box and safety box were braked simultaneously, and braking force doubles.

Further, described work box comprises: two cage plates, two nylon wheels, rope clamp, push rod spring, rope clamp spring and depression bars, and described two cage plates connect by rope clamp, make two cage plates to move simultaneously; Described depression bar is positioned at the top of two cage plates, can just prop up the cage plate that closes on when depression bar is swung; Described rope clamp is arranged on two cage plates; Described two nylon wheels are arranged at two cage plate belows; One end of described push rod spring is fixed in the work box inwall, and one in the other end and the cage plate links to each other, and the use by push rod spring can reduce the stop mechanism part three/, to compare with existing safety lock, structure is simplified greatly.

Further, described safety box comprises: two cage plates, rope clamp, push rod spring, rope clamp spring and depression bars, and described two cage plates connect by rope clamp, make two cage plates to move simultaneously; Described depression bar is positioned at the top of two cage plates, can just prop up the cage plate that closes on when depression bar is swung; Described rope clamp is arranged on two cage plates; One end of described push rod spring is fixed in the safety box inwall, and one in the other end and the cage plate links to each other, and the use by push rod spring can reduce 1/3rd with the stop mechanism part, compares with existing safety lock, and structure is simplified greatly.

Further, cage plate, rope clamp, depression bar, crucial stressed member material all adopt the 17-4PH corrosion-resistant steel, and intensity is big, non-corrosive in the working process.

Beneficial effect:

The present invention is simple and reasonable for structure, compact, mainly has the following advantages:

1) highly versatile is applicable to S type, α type gig and various hanging basket;

2) structure continuity, a safety lock has 2 cover cage plates and rope clamp to be used in combination;

3) braking force is strong, and load cable and safe steel rope are braked simultaneously, and braking force doubles;

4) simple in structure, inherent stop mechanism part number reduces 1/3rd than place where troops were originally stationed inclination safety lock.

5) durable, crucial stressed member key materials such as cage plate, rope clamp, push rod, fork and connecting rod all adopt the 17-4PH corrosion-resistant steel, and intensity is big, non-corrosive in the working process.

Description of drawings

Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification sheets, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 is the integral structure scheme drawing of the two brake safe locks of the present invention;

Fig. 2 is the logical rope form attitude scheme drawing of work box of the two brake safe locks of the present invention;

Fig. 3 is the logical rope form attitude scheme drawing of safety box of the two brake safe locks of the present invention;

Fig. 4 is the logical rope form attitude scheme drawing of control box of the two brake safe locks of the present invention;

Fig. 5 is the work box lock rope form attitude scheme drawing of the two brake safe locks of the present invention;

Fig. 6 is the safety box lock rope form attitude scheme drawing of the two brake safe locks of the present invention;

Fig. 7 is the control box lock rope form attitude scheme drawing of the two brake safe locks of the present invention.

In conjunction with the accompanying drawings, Reference numeral is as follows in the embodiment of the invention:

The 1-work box; The 2-safety box; The 3-control box; 4A, 4B-rope clamp; 5A, 5B-rope clamp spring; 6A, 6B-push rod spring; 7A, 7B-cage plate; The 8-nylon wheel; 9A, 9B-depression bar; The 10-working rope; The 11-safety rope; The 12-push rod; Centrifugal of 13-; The 14-connecting rod.

The specific embodiment

Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.

Shown in Fig. 1-7, the two brake safes locks of the present invention comprise work box 1, safety box 2, working rope 10, safety rope 11 and control box 3, the linking together of described work box 1, safety box 2 and control box 3 orders, and working rope 10 is by work box 1 braking; Safety rope 11 is promptly settled the control box of two synchronous interactions by safety box 2 brakings in safety lock, when working rope exceeded the speed limit, work box and safety box were braked simultaneously, and braking force doubles.

Work box 1 comprises: two cage plate 7A, two nylon wheels 8, rope clamp 4A, push rod spring 6A, rope clamp spring 5A and depression bar 9A, and described two cage plate 7A connect by rope clamp 4A, make two cage plate 7A to move simultaneously; Described depression bar 9A is positioned at the top of two cage plate 7A, can just prop up the cage plate 7A that closes on when depression bar 9A swings; Described rope clamp 4A is arranged on two cage plate 7A; Described two nylon wheels 8 are arranged at two cage plate 7A belows; Push rod spring 6A one end is fixed in work box 1 inwall, and one among the other end and the cage plate 7A links to each other, and the use by push rod spring can reduce 1/3rd with the stop mechanism part, compares with existing safety lock, and structure is simplified greatly.

Safety box 2 comprises: cage plate 7B, rope clamp 4B, bar spring 6B, rope clamp spring 5B and depression bar 9B, and described two cage plate 7B connect by rope clamp 4B, make two cage plate 7B to move simultaneously; Described depression bar 9B is positioned at the top of two cage plate 7B, can just prop up the cage plate 7B that closes on when depression bar 9B swings; Described rope clamp 4B is arranged on two cage plate 7B; Push rod spring 6B one end is fixed in safety box 2 inwalls, and one among the other end and the cage plate 7B links to each other, and the use by push rod spring can reduce 1/3rd with the stop mechanism part, compares with existing safety lock, and structure is simplified greatly.

Cage plate

7A, 7B;

Rope clamp

4A, 4B; The crucial stressed member key of depression bar 9A, 9B material all adopts the 17-4PH corrosion-resistant steel, and intensity is big, non-corrosive in the working process.

The algorithm of two brake safe locks is: the hypervelocity sensor of being made up of two nylon rollers in work box, two nylon rollers clamp load cable sensing rope speed, when working rope exceeds the speed limit, make the nylon roller rotate hypervelocity, thereby make coaxial centrifugal 13 of nylon roller 8 overcome back-moving spring and fly out, push rod 12 is rushed open, cause push rod 12 front ends to break away from connecting rod bearing, cause connecting rod 14 swings, the swing of connecting rod 14 drives depression bar 9A, the 9B swing, thereby drive the push rod spring 6A that is enclosed within work box 1 and the safety box 2 on the push rod, the 6B compression, cause the cage plate 7A of work box 1 and

safety box

2,7B while conter clockwise is to lower swing, make

rope clamp

4A, 4B clamps simultaneously to load cable 10 and safe steel rope 11, thereby makes whole hanging basket realize braking.When hanging basket promoted, push rod and top spring were pressed to clockwise direction with

cage plate

7A, 7B,

rope clamp

4A, 4B are divided open, and removed the braking of lock rope, realized logical rope, normal operation.

The present invention cooperates with conventional gig and is fit to use on any type of high-lift operation hanging cradle.Because this safety lock is different from the single braking fastening safety lock of existing use, synchronous clamping braking when having realized working rope and safety rope hypervelocity, so safe reliability doubles than original safety lock, and owing to adopt the push rod spring structure, total is simplified greatly than existing safety lock, and inherent stop mechanism part reduces 1/3rd.Realized two optimization that braking effect improves and immanent structure is simplified.

It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a two brake safes lock is characterized in that, comprises work box (1), safety box (2), working rope (10), safety rope (11) and control box (3), described work box (1), safety box (2) and control box (3) linking together in proper order; Described working rope (10) is braked by work box (1); Described safety rope (11) is braked by safety box (2).

2. according to claim 1 pair of brake safe lock, it is characterized in that, described work box (1) comprising: two cage plates (7A), two nylon wheels (8), rope clamp (4A), push rod spring (6A), rope clamp spring (5A) and depression bar (9A), and described two cage plates (7A) connect by rope clamp (5A); Described depression bar (9A) is arranged at the top of two cage plates (7A); Described rope clamp (4A) is arranged on two cage plates (7A); Described two nylon wheels (8) are arranged at two cage plate belows (7A); One end of described push rod spring (6A) is fixed in work box (1) inwall, and one in the other end and the cage plate (7A) links to each other.

3. according to claim 1 pair of brake safe lock, it is characterized in that, described safety box (2) comprising: two cage plates (7B), rope clamp (4B), push rod spring (6B), rope clamp spring (5B) and depression bar (9B), and described two cage plates (7B) connect by rope clamp (5B); Described depression bar (9B) is positioned at the top of two cage plates (7B); Described rope clamp (4B) is arranged on two cage plates (7B); One end of described push rod spring (6B) is fixed in safety box (2) inwall, and one in the other end and the cage plate (7B) links to each other.

4. according to claim 1 pair of brake safe lock, described cage plate (7A, 7B), rope clamp (4A, 4B), the crucial stressed member material of depression bar (9A, 9B) all adopt the 17-4PH corrosion-resistant steel.