CN202654570U

CN202654570U - Safety hickory nut picking device

Info

Publication number: CN202654570U
Application number: CN 201220320540
Authority: CN
Inventors: 王永维; 王俊; 陈常威; 吴月波
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2012-07-04
Filing date: 2012-07-04
Publication date: 2013-01-09
Anticipated expiration: 2022-07-04

Abstract

The utility model discloses a safety hickory nut picking device comprising a safety belt, a falling protector, a binding rope and a trip prevention hook. The falling protector is in sleeved connection on the safety belt, and the binding rope is connected with the falling protector and the trip prevention hook; the safety belt comprises left and right shoulder belts, left and right half waist belts, and left and right leg belts; the left and right half waist belts are sewn to the left and right shoulder belts, and the left and right leg belts and a leg base belt are connected with the right and left shoulder belts; and the falling protector comprises a safety rope, a pawl, ratchet wheels, a rotating wheel, a rotating wheel shaft and a coiled spring, one end of the coiled spring is fixed with the inner wall of the rotating wheel, the other end of the coiled spring is fixed with the rotating shaft wheel, two sides of the rotating wheel are provided with the ratchet wheels, the safety rope is wounded on the rotating wheel, the rotating wheel is arranged on the rotating wheel shaft, and two ends of the rotating wheel shaft and a pawl shaft are fixed with a casing and a cover, and the pawl is arranged on the pawl shaft and in protection contact with the ratchet wheel. The safety hickory nut picking device close fits a wearer and is comfortable in wearing and reliable and convenient to use, is difficultly wound, and can be locked in time when the wearer falls, and falling impact force is borne by the thigh and the hip.

Description

A kind of hickory nut is plucked safety device

Technical field

The utility model relates to safety guard, especially relates to a kind of hickory nut and plucks safety device.

Background technology

Hickory nut picking season property is strong, labour intensity is high, the amount of labour used is large, is a breakneck work high above the ground project, and only person between twenty and fifty can be competent at this job task.The work safety that how to guarantee the personnel of plucking is the significant problem of being badly in need of solution in the hickory nut harvesting work always.At present, for guaranteeing to pluck personal security, to hickory nut plucked staffing common three-point belt and protection rope, common safety belt is connected with rope, during work the rope knotting is being set on the bar, has certain safety guarantee function, but this kind safety belt adopts simple braces, waistband to sew up structure, when falling, the staff utilizes the waistband power that withstands shocks, very easily cause waist injury, save front waist belt tie tight waist or chest the staff always, staff's life is constituted a serious threat; Main is, adopts rope and the simple connected mode of safety belt, during harvesting the rope redundance easily and the branch winding, very inconvenient to the harvesting task that often needs mobile operating, also the staff has been consisted of potential potential safety hazard.Because the above-mentioned shortcoming of common security system causes and uses inconvenience, security is relatively poor, and the harvesting personnel are reluctant originally to wear, and now wears proportioning example less than 1%, is having a strong impact on staff's life security.Along with rural laborer and hickory nut harvesting personnel are astogeny, pluck safety for ensureing hickory nut, need especially a kind of safety belt load-bearing of research and development even, next to the skin, tied rope is scalable and antiwind, use safety, easily hickory nut harvesting safety device, to guarantee hickory nut results production safety.

Summary of the invention

The purpose of this utility model is for the security that improves the hickory nut harvesting and the convenience of safe handling, provides a kind of hickory nut to pluck safety device.

In order to achieve the above object, the technical solution adopted in the utility model is:

Hickory nut is plucked safety device and comprises safety belt, catching device, tied rope, anti-drop hook; The housing of catching device articulates left shoulder belt and the right shoulder belt infall that ring set is connected on safety belt, and tied rope one end is connected with the safety rope of catching device, and the tied rope other end is connected with anti-drop hook;

Described safety belt comprises right shoulder belt, locating rack, catching device, snap close, right half back belt, rectangle T-Ring, leg base band, right leg belt, left leg belt, bracelet, draw ring, left half back belt, left shoulder belt; Left shoulder belt and right shoulder belt pass locating rack and intersect at the back of safety belt;

One end of right leg belt, an end of left leg belt all are seamed in the middle part of leg base band;

Left shoulder belt rear end is connected with the other end of right leg belt by the rectangle T-Ring, left shoulder belt front end and leg base band right-hand member by bracelet, draw ring is nested is connected;

Right shoulder belt rear end is connected with the other end of left leg belt by the rectangle T-Ring, right shoulder belt front end and leg base band left end by bracelet, draw ring is nested is connected;

It is anterior that right half back belt one end is seamed in right shoulder belt, and it is anterior that left half back belt one end is seamed in left shoulder belt, and the other end of left half back belt, the other end of right half back belt are by bracelet, the nested connection of draw ring;

Described catching device has safety rope, pawl axis, ratchet, spring, ratchet, runner, runner shaft, coiled springs, housing, lid; Coiled springs is installed in the runner inner chamber, and coiled springs one end is fixed on the runner inwall, and the coiled springs other end is fixed on the runner shaft, and the runner both sides are fixed with ratchet, and runner is installed on the runner shaft by bearing, and the runner shaft two ends are separately fixed at housing and cover; Safety rope one end is fixed on the runner, and safety rope is wrapped on the runner; The pawl axis two ends are separately fixed at housing and cover, and two ratchets are installed on the pawl axis, and two spring one ends are connected with ratchet, and the two spring other ends are separately fixed at housing and cover.

The utility model adopts family band, waistband, bottom bands of trouser legs adjustable structure, uses next to the skinly, comfortable, adopts catching device to realize safety rope free-extension in the hickory nut harvesting process, has effectively avoided and branch twines, and uses just simple; Catching device is at moment locking safety rope during the human body fall, and human body fall's impulsive force is born by thigh and buttocks, and the easy damaged staff has not prevented secondary injury, use safely, reliable, convenient, be applicable to different heights and the bodily form, all ages and classes harvesting personnel wear use.The utility model also is applicable to the high-altitude of climbing the tree such as red bayberry, chestnut and plucks work.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the structural representation that hickory nut is plucked safety device;

Fig. 2 is the sectional view that hickory nut is plucked the safety device catching device;

Fig. 3 is that hickory nut is plucked the front view after the safety device catching device is uncapped;

Among the figure, right shoulder belt 1, locating rack 2, catching device 3, snap close 4, right half back belt 5, rectangle T-Ring 6, leg base band 7, right leg belt 8, left leg belt 9, bracelet 10, draw ring 11, safety rope 12, retaining ring 13, link 14, left half back belt 15, tied rope 16, anti-drop hook 17, left shoulder belt 18, pawl axis 19, ratchet 20, spring 21, ratchet 22, runner 23, runner shaft 24, coiled springs 25, housing 26, lid 27.

The specific embodiment

As shown in drawings, hickory nut harvesting safety device comprises safety belt, catching device 3, tied rope 16, anti-drop hook 17; The housing of catching device 3 articulates left shoulder belt 18 and right shoulder belt 1 infall that ring set is connected on safety belt, and tied rope 16 1 ends are connected with the safety rope 18 of catching device 3, and tied rope 16 other ends are connected with anti-drop hook 17;

Described safety belt comprises right shoulder belt 1, locating rack 2, catching device 3, snap close 4, right half back belt 5, rectangle T-Ring 6, leg base band 7, right leg belt 8, left leg belt 9, bracelet 10, draw ring 11, left half back belt 15, left shoulder belt 18; Left shoulder belt 18 and right shoulder belt 1 pass locating rack and intersect at the back of safety belt;

One end of right leg belt 8, an end of left leg belt 9 all are seamed in the middle part of leg base band 7;

Left shoulder belt 18 rear ends are connected with the other end of right leg belt 8 by rectangle T-Ring 6, and left shoulder belt 18 front ends and leg base band 7 right-hand members are by

bracelet

10,11 nested connections of draw ring;

Right shoulder belt 1 rear end is connected with the other end of left leg belt 9 by rectangle T-Ring 6, and right shoulder belt 1 front end and leg base band 7 left ends are by

bracelet

10,11 nested connections of draw ring;

Right half back belt 5 one ends are seamed in right shoulder belt 1 front portion, and left half back belt 15 1 ends are seamed in left shoulder belt 18 front portions, and the other end of the other end of left half back belt 15, right half back belt 5 is by bracelet 10, draw ring 11 nested connections;

Realize length adjustment by the bracelet 10 of regulating leg base band 7 two ends, right leg belt 8, left leg belt 9, length are regulated by the snap close 4 of socket right leg belt 8, left leg belt 9;

Described catching device 3 has safety rope 12, pawl axis 19, ratchet 20, spring 21, ratchet 22, runner 23, runner shaft 24, coiled springs 25, housing 26, lid 27; Coiled springs 25 is installed in runner 23 inner chambers, coiled springs 25 1 ends are fixed on runner 23 inwalls, coiled springs 25 other ends are fixed on the runner shaft 24, runner 23 both sides are fixed with ratchet 22, runner 23 is installed on the runner shaft 24 by bearing, and runner shaft 24 two ends are separately fixed on housing 26 and the lid 27; Safety rope 12 1 ends are fixed on the runner 23, and all safety rope 12 is wrapped on the runner 23; Pawl axis 19 two ends are separately fixed on housing 26 and the lid 27; two ratchets 20 are installed on the pawl axis 19, and two spring 21 1 ends are connected with ratchet 20, and two springs, 21 other ends are separately fixed on housing 26 and the lid 27; under spring 21 effects, ratchet 20 contacts with ratchet 22 protections.

During use, open the bracelet 10 of right half back belt 5 and left half back belt 15 ends, draw ring 11 nested cooperations, the staff places 7 of left leg belt 9 and leg base band with left leg, right leg places 7 of right leg belt 8 and leg base band, then right shoulder belt 1 is through right shoulder, left shoulder belt 18 is through left shoulder, regulate snap close 4, bracelet 10 makes right shoulder belt 1, left shoulder belt 18, right half back belt 5, left half back belt 15, right leg belt 8, left leg belt 9, leg base band 7 length and staff's body-accommodating, open anti-drop hook 17 self-locking mechanisms and anti-drop hook 17 is hung on the link 14, then climb Chinese walnut.When climbing to the height of Chinese walnut needs, the staff stands firm, and opens anti-drop hook 17 self-locking mechanisms and takes off anti-drop hook 17 from link 14, anti-drop hook 17 is hung on the retaining ring 13 after tied rope 16 is walked around the bruly wood bar, tied rope 16 bindings place should being higher than staff's height, then just can be plucked.During normal operation, under spring 21 effects, ratchet 20 contacts with ratchet 22 protections, because ratchet 22 rotational line speed are low, ratchet 22 is rotatable, and safety rope 12 can freely stretch out, and is in slightly tensioning state under coiled springs 25 effects, and the staff is without the pulling force sense; When meeting accident, safety rope 12 is pulled out rapidly, ratchet 22 rotational line speed increase, the bump of 22 pairs of ratchets 20 of ratchet is striven increasing severely and is added, ratchet 20 rotates and ratchet 22 engagements, runner 22 just stops operating, aerial when making the staff outstanding, this moment is by right leg belt 8, left leg belt 9, leg base band 7 withstand shocks power and body weight, institute is born by thigh and buttocks effectively, after suing and labouring or saving oneself, ratchet 20 resets and no longer meshes with ratchet 22 under spring 21 effects, runner 22 reverse rotations under coiled springs 25 effects, the safety rope 12 of catching device 3 can be reworked in automatic folding is reduced to catching device 3 housings.After harvesting is finished, take off safety device by above-mentioned inverse process.

Claims

1. a hickory nut is plucked safety device, it is characterized in that comprising safety belt, catching device (3), tied rope (16), anti-drop hook (17); The housing of catching device (3) articulates left shoulder belt (18) and right shoulder belt (1) infall that ring set is connected on safety belt, and tied rope (16) one ends are connected with the safety rope (18) of catching device (3), and tied rope (16) other end is connected with anti-drop hook (17);

Described safety belt comprises right shoulder belt (1), locating rack (2), catching device (3), snap close (4), right half back belt (5), rectangle T-Ring (6), leg base band (7), right leg belt (8), left leg belt (9), bracelet (10), draw ring (11), left half back belt (15), left shoulder belt (18); Left shoulder belt (18) and right shoulder belt (1) pass locating rack and intersect at the back of safety belt;

One end of one end of right leg belt (8), left leg belt (9) all is seamed in the middle part of leg base band (7);

Left shoulder belt (18) rear end is connected with the other end of right leg belt (8) by rectangle T-Ring (6), and left shoulder belt (18) front end and leg base band (7) right-hand member are by bracelet (10), the nested connection of draw ring (11);

Right shoulder belt (1) rear end is connected with the other end of left leg belt (9) by rectangle T-Ring (6), and right shoulder belt (1) front end and leg base band (7) left end are by bracelet (10), the nested connection of draw ring (11);

Right half back belt (5) one ends are seamed in right shoulder belt (1) front portion, left half back belt (15) one ends are seamed in left shoulder belt (18) front portion, and the other end of the other end of left half back belt (15), right half back belt (5) is by bracelet (10), the nested connection of draw ring (11);

Described catching device (3) has safety rope (12), pawl axis (19), ratchet (20), spring (21), ratchet (22), runner (23), runner shaft (24), coiled springs (25), housing (26), lid (27); Coiled springs (25) is installed in runner (23) inner chamber, coiled springs (25) one ends are fixed on runner (23) inwall, coiled springs (25) other end is fixed on the runner shaft (24), runner (23) both sides are fixed with ratchet (22), runner (23) is installed on the runner shaft (24) by bearing, and runner shaft (24) two ends are separately fixed on housing (26) and the lid (27); Safety rope (12) one ends are fixed on the runner (23), and safety rope (12) is wrapped on the runner (23); Pawl axis (19) two ends are separately fixed on housing (26) and the lid (27), two ratchets (20) are installed on the pawl axis (19), two spring (21) one ends are connected with ratchet (20), and two springs (21) other end is separately fixed on housing (26) and the lid (27).