CN106362325B

CN106362325B - Protector for preventing hurry descent

Info

Publication number: CN106362325B
Application number: CN201611052614.XA
Authority: CN
Inventors: 刘文辉
Original assignee: Fujian Dongshan County Huiyongtai Sports Goods Co ltd
Current assignee: Fujian Dongshan County Huiyongtai Sports Goods Co ltd
Priority date: 2016-11-25
Filing date: 2016-11-25
Publication date: 2021-11-16
Anticipated expiration: 2036-11-25
Also published as: CN106362325A

Abstract

The invention relates to a panic-descending protector, which comprises a fixed plate, a movable side plate, a rope pulley, a rope winding seat and a control handle, wherein the rope winding seat is arranged on the fixed plate; the rope wheel is provided with a semicircular wheel surface, a straight-edge stopping surface and a rope feeding guide surface, the straight-edge stopping surface is provided with a first stopping part and a second stopping part, the first stopping part forms stopping in an initial state, the second stopping part forms stopping protection when the control handle swings to the whole stroke, and slow speed descending is realized only when the control handle swings in a half-stroke interval; protecting descending personnel in a panic, and continuing descending after the emotion is stable; this descender also can use as the protector is climbed to the top rope, and when the climbing person falls down the building suddenly at the climbing in-process, this product can produce the braking state automatically to do benefit to the control of ground personnel.

Description

Protector for preventing hurry descent

The technical field is as follows:

the invention belongs to the field of high-altitude protection equipment, and particularly relates to a panic-descending prevention protector which is particularly suitable for the fields of rescue, escape, rock climbing and the like.

Background art:

patent application No.: 201510584717.X, discloses a controllable lifting protector, which comprises a fixed plate, a movable side plate positioned by a first pin shaft, a rope winding seat arranged between the fixed plate and the movable side plate and a rope wheel positioned on the fixed plate by a second pin shaft; the rope winding seat is enclosed outside the first pin shaft and is provided with a braking surface and a rope winding arc surface, and the braking surface faces one side of the rope wheel; the section of the rope wheel is an asymmetric polygon, and the rope wheel is provided with a wheel surface with more than three round edges, and the wheel surface is provided with a rope groove; the rope wound around the rope wheel is initially stressed, the rope wheel is driven to rotate by a small angle, and one of the round edges can press the rope against the braking surface of the rope winding seat to stop; at the moment, an angle is opened between the control arm linked with the rope pulley and the fixing plate, so that manual control can be realized. This application both can realize the safety protection of automatic braking with the help of polygon rope sheave and the cooperation of wiring seat, but manual control descends again, and polygon rope sheave also has the characteristics that slowly descend moreover, in a hurry if the control handle is gripped to the hand tension, descends still can continue, lacks due protection. How to provide a more perfect descender is the subject of the present invention.

The invention content is as follows:

the invention aims to provide a panic descender which is provided with a first stopping part and a second stopping part correspondingly at an initial position and a maximum stroke position of a rope pulley.

The technical scheme of the invention is realized as follows: a panic-descending protector comprises a fixed plate, a movable side plate, a rope wheel, a rope winding seat and a control handle; a first pin shaft and a second pin shaft are sequentially fixed on the fixing plate from top to bottom; the rope winding seat is locked at the top of the fixing plate by a first pin shaft, the rope pulley is movably positioned on a second pin shaft, and a large torsion spring is sleeved on the second pin shaft; the movable side plate is movably positioned at the end part of the first pin shaft, an open slot in the middle is buckled at the end part of the second pin shaft when swinging in place to form a fixed structure of the movable side plate and the fixed plate, and at the moment, hanging holes at the lower end parts of the fixed plate and the movable side plate are aligned; the method is characterized in that: the rope wheel is provided with a semicircular wheel surface, a straight-side stopping surface and a rope inlet guide surface, the semicircular wheel surface and the straight-side stopping surface are provided with rope grooves, the end part of the straight-side stopping surface is a first stopping part, and the connecting part of the straight-side stopping surface and the semicircular wheel surface is a second stopping part; the adjacent surface of the rope wheel and the fixed plate is provided with a driving groove; the control handle is positioned at the outer side of the fixed plate through a third pin shaft, a driving crank is arranged between the control handle and the rope wheel, a convex pin at one end of the driving crank is inserted into an embedded groove of the control handle, a convex pin at the other end of the driving crank penetrates through a hollow groove of the fixed plate and then is inserted into a driving groove of the rope wheel, the control handle swings for a half stroke, the distance between a straight edge stopping surface of the rope wheel and a rope winding seat is the largest, and a second stopping part of the straight edge stopping surface of the rope wheel is close to the rope winding seat during the whole swinging process.

The caulking groove on the control handle is an arc-shaped groove; the third pin shaft is sleeved with a small torsion spring which keeps the control handle in a storage state.

The driving groove on the rope wheel is an arc-shaped groove.

The rope groove of the sheave is formed with a triangular narrowing at the rope-feeding guide surface 33.

A convex pin is further arranged on the adjacent surface of the rope wheel and the fixed plate, the fixed plate is correspondingly provided with an arc-shaped limiting groove, and the convex pin is inserted into the arc-shaped limiting groove to limit the swing stroke of the rope wheel.

The rope wheel is provided with two stopping parts which respectively correspond to the initial position and the maximum stroke position of the rope wheel, the initial state is automatically stopped, the handle is controlled to swing for half-stroke descending and for whole-stroke stopping, descending personnel in a hurry are protected, and descending action is continued after the emotion is stable; this descender also can use as the protector is climbed to the top rope, and when the climbing person falls down the building suddenly at the climbing in-process, this product can produce the braking state automatically to do benefit to the control of ground personnel.

Description of the drawings:

the invention is further illustrated with reference to the following specific figures:

FIG. 1 is a schematic view of the direction of the control handle of the panic descender

FIG. 2 is a schematic view of the direction of the movable side plate of the panic descender

FIG. 3 is a diagram of the opening state of the movable side plate of the panic descender

FIG. 4 is an exploded view of the descender control handle

FIG. 5 is an exploded view of the descending device with the movable side plate oriented

FIG. 6 is a schematic view of the descender and rope bypass relationship

Wherein

1-fixed plate 11-hollow groove 12-arc limiting groove 2-movable side plate

21-open slot 22-hanging hole 23-limiting pin 3-rope wheel

31-semicircular wheel surface 32-straight edge stopping surface 321-first stopping part 322-second stopping part

33-rope feeding guide surface 34-rope groove 341-triangular narrow opening 35-large torsion spring

36-driving groove 37-convex pin 38-counter bore 4-rope winding seat

41-braking surface 42-arc angle 43-limiting arc groove 5-control handle

51-driving crank 511-convex pin 52-small torsion spring 53-caulking groove

6-first pin 7-second pin 8-third pin 9-rope

The specific implementation mode is as follows:

referring to fig. 1 to 6, the panic-fall protector comprises a fixed plate 1, a movable side plate 2, a rope pulley 3, a rope winding seat 4 and a control handle 5.

A first pin shaft 6, a second pin shaft 7 and a third pin shaft 8 are sequentially fixed on the fixing plate 1 from top to bottom; the rope winding seat 4 is locked at the top of the fixing plate 1 by a first pin shaft 6, the rope pulley 3 is movably positioned on a second pin shaft 7, and the control handle 5 is movably positioned on a third pin shaft 8; the movable side plate 2 is movably positioned at the end part of the first pin shaft 6, the open slot 21 in the middle part is buckled at the end part of the second pin shaft 7 when swinging in place to form a fixed structure of the movable side plate 2 and the fixed plate 1, and at the moment, the hanging holes 22 at the lower end parts of the fixed plate 1 and the movable side plate 2 are aligned to allow a mountain climbing hook to pass through and be hung on the waist or other objects; then, a limiting pin 23 is arranged on the surface of the movable side plate 2 adjacent to the rope winding seat 4, and a limiting arc groove 43 taking the first pin shaft 6 as the center of circle is arranged on the surface of the rope winding seat 4 to restrict the opening range of the movable side plate 2; in addition, the rope winding seat 4 is a round-corner triangular block, the surface adjacent to the rope wheel 3 is a braking surface 41, and the top angle is an arc angle 42 capable of winding the rope, so that the rope 9 can conveniently enter by winding the arc surface 42.

The rope wheel 3 is provided with a semicircular wheel surface 31, a straight-edge stopping surface 32 and a rope inlet guide surface 33, the semicircular wheel surface 31 and the straight-edge stopping surface 32 are provided with rope grooves 34, the rope 9 is wound around the rope grooves, the rope is restrained from deviating, and the rope 9 slides smoothly when the semicircular wheel surface 31 descends; the end part of the straight edge stopping surface 32 is a first stopping part 321, and the connecting part of the straight edge stopping surface and the semicircular wheel surface 31 is a second stopping part 322; the adjacent surface of the rope pulley 3 and the fixed plate 1 is provided with a driving groove 36 which is an arc-shaped groove taking the second pin shaft 7 as the center of a circle and provides a certain rotation allowance to meet the requirement of rope winding operation; the shaft hole at the side is a counter bore 38 and can accommodate a large torsion spring 35, the large torsion spring 35 is sleeved on the second pin shaft 7, one end of the large torsion spring is abutted against the rope pulley 3, the other end of the large torsion spring is buckled on the fixing plate 1, and the first braking part 321 of the rope pulley is always kept to approach the rope winding seat 4, namely in a braking state; furthermore, a convex pin 37 is arranged on the adjacent surface of the rope pulley 3 and the fixed plate 1, the fixed plate 1 is correspondingly provided with an arc-shaped limiting groove 12 taking the second pin shaft 7 as the center of a circle, and the convex pin 37 is inserted into the arc-shaped limiting groove 12 to limit the swing stroke of the rope pulley 3 and keep three continuous states of stopping, loosening and stopping in cooperation with the rope winding seat 4. The rope groove 34 of the sheave 3 is formed with a triangular narrowing 341 in the rope-in guide surface 33, so that the resistance to the rope-end-out of the suspension rope is increased, and the first stopper 321 of the sheave 3 is pressed against the rope winding seat 4 quickly to stop the rope.

The control handle 5 is positioned at the outer side of the fixed plate 1 through the third pin shaft 8, the shaft hole on the surface adjacent to the fixed plate 1 also has a sinking structure, a small torsion spring 52 is accommodated, the side surface is also provided with an embedded groove 53, the embedded groove 53 is an arc-shaped groove taking the third pin shaft 8 as the center of a circle, and the initial swinging allowance of the control handle 5 is provided, namely the control handle can be easily swung by a small angle, so as to be beneficial to holding operation; the small torsion spring 52 is sleeved on the third pin shaft 8, one end of the small torsion spring is abutted against the control handle 5, the other end of the small torsion spring is buckled on the fixing plate 1, and the small torsion spring 52 keeps the control handle 5 in a storage state.

A driving crank 51 is arranged between the control handle 5 and the rope wheel 3, a convex pin 511 at one end of the driving crank 51 is inserted into an embedded groove 52 of the control handle 5, a convex pin 511 at the other end of the driving crank 51 penetrates through a hollow-out groove 11 of the fixing plate 1 and then is inserted into a driving groove 36 of the rope wheel 3, the control handle 5 swings for a half stroke, the distance between the straight edge stopping surface 32 of the rope wheel and the rope winding seat 4 is the largest, a second stopping part 322 of the straight edge stopping surface 32 of the rope wheel is close to the rope winding seat 4 during the whole swinging process, the rope 9 is pressed tightly, the second stopping is realized, and the over-head swinging stopping state during confusion prevention is realized.

Claims

1. A protector for preventing confusion and descent comprises a fixed plate (1), a movable side plate (2), a rope wheel (3), a rope winding seat (4) and a control handle (5); a first pin shaft (6) and a second pin shaft (7) are sequentially fixed on the fixing plate (1) from top to bottom; the rope winding seat (4) is locked at the top of the fixing plate (1) by a first pin shaft (6), the rope pulley (3) is movably positioned on a second pin shaft (7), and a large torsion spring (35) is sleeved on the second pin shaft (7); the movable side plate (2) is movably positioned at the end part of the first pin shaft (6), an open slot (21) in the middle of the movable side plate (2) is buckled at the end part of the second pin shaft (7) when swinging in place to form a fixed structure of the movable side plate (2) and the fixed plate (1), and at the moment, hanging holes (22) at the lower end parts of the fixed plate (1) and the movable side plate (2) are aligned; the method is characterized in that: the rope wheel (3) is provided with a semicircular wheel surface (31), a straight-edge stopping surface (32) and a rope feeding guide surface (33), the semicircular wheel surface (31) and the straight-edge stopping surface (32) are provided with rope grooves (34), the end part of the straight-edge stopping surface (32) is provided with a first stopping part (321), the connecting part of the straight-edge stopping surface (32) and the semicircular wheel surface (31) is provided with a second stopping part (322), and the rope wheel (3) always keeps the trend that the first stopping part (321) approaches to the rope winding seat (4) under the action of a large torsion spring (35); a driving groove (36) is arranged on the adjacent surface of the rope pulley (3) and the fixed plate (1); the control handle (5) is positioned at the outer side of the fixing plate (1) through a third pin shaft (8), a driving crank (51) is arranged between the control handle (5) and the rope wheel (3), a convex pin (511) at one end of the driving crank (51) is inserted into an embedded groove (53) of the control handle (5), a convex pin at the other end of the driving crank (51) penetrates through a hollow groove (11) of the fixing plate (1) and then is inserted into a driving groove (36) of the rope wheel (3), the control handle (5) swings for a half stroke, the distance between a straight edge stopping surface (32) of the rope wheel and the rope winding seat (4) is maximum, and a second stopping part (322) of the straight edge stopping surface (32) of the rope wheel is close to the rope winding seat (4) during the whole swing process; the rope groove (34) of the rope wheel (3) forms a triangular narrowing opening (341) on the rope inlet guide surface (33); the caulking groove (53) on the control handle (5) is an arc-shaped groove; the driving groove (36) on the rope pulley (3) is an arc-shaped groove; a convex pin (37) is further arranged on the surface, adjacent to the fixed plate (1), of the rope wheel (3), an arc-shaped limiting groove (12) is correspondingly arranged on the fixed plate (1), and the convex pin (37) is inserted into the arc-shaped limiting groove (12) to limit the swing stroke of the rope wheel (3).

2. A panic fall protector according to claim 1 wherein: a small torsion spring (52) is sleeved on the third pin shaft (8), and the small torsion spring (52) keeps the control handle (5) in a storage state.