CN102743829A

CN102743829A - Safety device for picking pecans

Info

Publication number: CN102743829A
Application number: CN2012102293281A
Authority: CN
Inventors: 王俊; 王永维; 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: 2012-10-24

Abstract

The invention discloses a safety device for picking pecans, which comprises a safety belt, a falling protector, a binding rope and an anti-dropping pothook, wherein the falling protector is sleeved on the safety belt; the binding rope is connected with the falling protector and the anti-dropping pothook; the safety belt is composed of left and right shoulder girdles, left and right semi-waistbands and left and right leg belts; the left and right semi-waistbands are respectively sewn on the left and right shoulder girdles; the left and right leg belts and a leg base belt are connected with the right and left shoulder girdles; the falling protector is composed of a safety rope, a pawl, ratchet wheels, a turning wheel, a turning wheel shaft and a crimping spring; one end of the crimping spring is fixed with an inner wall of the turning wheel while the other end is fixed with the turning wheel shaft; the ratchet wheels are arranged on two sides of the turning wheel; the safety rope is wound on the turning wheel; the turning wheel is mounted on the turning wheel shaft; the two ends of the turning wheel shaft and a pawl shaft are fixed with a shell and a cover; and the pawl is mounted on the pawl shaft and is in protecting contact with the ratchet wheels. The safety device for picking pecans is close-fitted and comfortable to wear, is difficult to intertwine and is capable of timely locking when a user is dropping; a falling impact force is endured by thighs and buttocks; and the safety device for picking pecans is safe, reliable and convenient to use.

Description

Hickory nut is plucked safety device

Technical field

The present invention relates to safety guard, especially relate to a kind of hickory nut and pluck safety device.

Background technology

Hickory nut picking season property is strong, labour intensity is high, the amount of labour used is big, 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 a significant problem of being badly in need of solution in the hickory nut harvesting work always.At present, pluck for guaranteeing personal security, to hickory nut plucked staffing common three-point belt and protection rope; Common safety belt is connected with rope; During work rope is tied a knot on the tree bar, have 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 always, staff's life is constituted a serious threat the staff; Main is, adopts rope and the simple connected mode of safety belt, and the rope redundance is prone to twine with branch during harvesting, very inconvenient to the harvesting task that often needs mobile operating, also the staff has been constituted 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 wear mixing ratio less than 1% at present, are 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 a kind of safety belt load-bearing of research and development even, next to the shin especially; Tie up scalable and antiwind, safe in utilization, the safety device of hickory nut harvesting easily of restricting, to guarantee hickory nut results production safety.

Summary of the invention

The objective of the invention is in order to improve the security and the convenience of safe handling that hickory nut is plucked, a kind of hickory nut harvesting safety device is provided.

In order to achieve the above object, the technical scheme of the present invention's employing is:

Hickory nut plucks that safety device comprises safety belt, catching device, ties up rope, anticreep is linked up with; The housing of catching device articulates left shoulder belt and the right shoulder belt infall that ring set is connected on safety belt, ties up rope one end and is connected with the safety rope of catching device, ties up the rope other end and is connected with the anticreep 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 side 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;

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

Right shoulder belt rear end is connected with the other end of left leg belt through the rectangle T-Ring, right shoulder belt front end and leg base band left end through 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 through 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 through 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 present invention adopts family band, waistband, bottom bands of trouser legs adjustable structure, uses next to the shinly, comfortable, adopts catching device to realize that safety rope freely stretch in the hickory nut harvesting process, has effectively avoided and branch twines, and use is 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 the secondary injury; Safe in utilization, reliable, convenient, be applicable to that the different heights and the bodily form, all ages and classes harvesting personnel wear use.The present invention also is applicable to that the high-altitude of climbing the tree such as red bayberry, chestnut plucks work.

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Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention 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, tie up rope 16, anticreep 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

Shown in accompanying drawing, hickory nut plucks that safety device comprises safety belt, catching device 3, ties up rope 16, anticreep hook 17; The housing of catching device 3 articulates the left shoulder belt 18 and right shoulder belt 1 infall that ring set is connected on safety belt, ties up rope 16 1 ends and is connected with the safety rope 18 of catching device 3, ties up rope 16 other ends and is connected with anticreep 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 side shoulder belt 18 passes locating rack with right shoulder belt 1 and intersects 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;

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

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 through rectangle T-Ring 6, and right shoulder belt 1 front end and leg base band 7 left ends are through

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 through bracelet 10, draw ring 11 nested connections;

Bracelet 10 through regulating leg base band 7 two ends is realized length adjustment, and right leg belt 8, left leg belt 9, length are regulated through 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, and runner 23 is installed on the runner shaft 24 through bearing, and runner shaft 24 two ends are separately fixed at housing 26 and cover on 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 at housing 26 and cover on 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 at housing 26 and cover on 27; Under spring 21 effects, ratchet 20 contacts with ratchet 22 protections.

During use;

Open bracelet

10,11 nested cooperations of draw ring of right half back belt 5 and left half back belt 15 ends; The staff places 7 of left leg belt 9 and leg base band with left leg, and 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 side shoulder; Regulate snap close 4, bracelet 10 and make 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 anticreep and link up with 17 self-locking mechanisms and anticreep is linked up with 17 and hang on the link 14, climb Chinese walnut then.When climbing to the height of Chinese walnut needs; The staff stands firm, and opens anticreep and links up with 17 self-locking mechanisms and take off anticreep hook 17 from link 14, will tie up after rope 16 is walked around the bruly wood bar anticreep hook 17 to be hung on the retaining ring 13; Tying up rope 16 bindings place should just can pluck being higher than staff's height then.During operate as normal, 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 under coiled springs 25 effects, is in slightly tensioning state, and the staff does not have the pulling force sense; When meeting accident, safety rope 12 is pulled out rapidly, and ratchet 22 rotational line speed increase; The bump of 22 pairs of ratchets 20 of ratchet is striven increasing severely and is added, and ratchet 20 rotates and ratchet 22 engagements, and runner 22 just stops operating; Aerial when making the staff outstanding, this moment, institute was born by thigh and buttocks effectively by right leg belt 8, left leg belt 9, leg base band 7 withstand shocks power and body weight; 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 being contracted to catching device 3 housings automatically.After plucking completion, 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), ties up rope (16), anticreep links up with (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, ties up rope (16) one ends and is connected with the safety rope (18) of catching device (3), ties up rope (16) other end and is connected with anticreep 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 side 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);

Shoulder belt (18) rear end, a left side is connected with the other end of right leg belt (8) through rectangle T-Ring (6), and left shoulder belt (18) front end and leg base band (7) right-hand member are through 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) through rectangle T-Ring (6), and right shoulder belt (1) front end and leg base band (7) left end are through 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 side 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 through 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), and runner (23) is installed on the runner shaft (24) through 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).