CN115607871B - Electric power overhauls protector - Google Patents

Abstract

The invention discloses an electric power overhaul protecting device, which comprises a waistband and an anti-falling box; waistband: the left end of the waistband is provided with a button; anti-falling box: the lower end of the inner part of the waistband is provided with a buffer mechanism, the lower ends of the buffer mechanism are symmetrically bolted with safety ropes, and the lower ends of the two safety ropes are fixedly bolted with connecting components which are correspondingly arranged at the two ends of the waistband respectively. The electric power overhauling protection device can automatically wind the winding and unwinding belt, overhauls the workers are not affected, the internal structure is more firmly connected, the workers falling down can be slowly lowered, the workers are prevented from being pulled by the waistband due to inertia when falling down at a high speed, and the use is safer.

Description

Electric power overhauls protector

Technical Field

The invention relates to the technical field of electric power overhaul, in particular to an electric power overhaul protection device.

Background

The electric power overhaul is an important part for ensuring normal power supply service, because the circuit cable is usually erected at high altitude, a ladder or other tools are usually required to be used for carrying out high-altitude operation when electric power overhaul is carried out, because the operation space is relatively narrow, the operation difficulty is high, the danger is high, workers can be caused to have the danger of falling at high altitude, in various accidents of an electric power system, the falling accident is one of the most main casualties at present, and therefore, the safety of high-altitude operation constructors is ensured, and the safety production work is of great importance. And now electric power staff when carrying out high altitude electric power maintenance, can use safety rope and waistband to fix oneself with external structure usually to avoid dropping, but safety rope and waistband are because naked hourglass is in the outside when using, influence staff's maintenance progress easily, and the staff can be pulled by the waistband because of inertia when dropping in the accident moreover, use inadequately safely.

The utility model discloses a chinese patent application that publication No. CN112688228A discloses a instrument waistband that falls is prevented to high altitude construction, including receiver, band handle instrument fixer and waistband, the receiver includes box body and lid, the lid includes holding ring, transparent soft section of thick bamboo and elasticity ring, the upper and lower both ends of transparent soft section of thick bamboo are connected with elasticity ring and holding ring respectively, the oral area of elasticity ring is sealed through the sealing member, band handle instrument fixer includes stem, supporting shoe, rope body and permanent magnetism piece, be equipped with first electro-magnet and first group battery in the block body, be equipped with first switch on the outer wall of block body, the one end and the stem or the block body of rope body are fixed mutually, a plurality of the permanent magnetism piece is fixed respectively at the middle section of rope body, box body and block body are fixed respectively on the waistband, neither influence electric power maintainer's sight, and the fastener that falls out effectively avoids longer rope body to freely remove everywhere and influence electric power maintainer's normal work again. However, this patent is used to prevent the falling of the work tool and to secure safe construction.

The utility model discloses a chinese patent with publication number CN213374829U discloses an electric power overhauls anti-falling device, including anti-falling safety belt, the outside fixed cover of anti-falling safety belt is equipped with the secondary protection connecting band, one side of the front and the back of secondary protection connecting band is fixedly connected with fixed block respectively, two the inside of fixed block has the fixed band through connecting axle swing joint, and the one end of two fixed bands has the limiting plate through connecting axle swing joint, the inside of limiting plate has two to accept the area through connecting axle swing joint. Through utilizing the outside at the safety belt of falling protection to set up secondary protection connecting band, can tie down staff's waist, adopt the fixed band and accept area cooperation connecting plate, locating plate and electro-magnet simultaneously, conveniently carry out secondary protection to the staff, avoid the staff carelessly to break away from or misoperation with the safety belt at the during operation, lead to falling the problem of emergence incident, improved the security of device. However, the anti-falling device disclosed by the patent is used for carrying out secondary protection under the condition that a worker carelessly breaks away from a safety belt or is in misoperation during working, and the situation that the anti-falling device is pulled by the worker is not considered.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the electric power overhaul protection device which can automatically roll the winding and unwinding belt, does not influence the overhaul of workers, has more firm internal structure connection, can slowly lower the dropped workers, prevents the workers from being strained by a waistband due to inertia when the workers drop at a high speed, is safer to use, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: an electric power overhauling protecting device comprises a waistband and an anti-falling box;

waistband: the left end of the waistband is provided with a button;

anti-falling box: the lower ends of the inner parts of the belt are symmetrically bolted with the safety ropes, the lower ends of the two safety ropes are fixedly bolted with the connecting components which are correspondingly arranged at the two ends of the belt respectively, the winding and unwinding belt can be automatically wound, the maintenance of workers is facilitated, the connection of the inner structure is firmer, the workers who drop can be slowly lowered, the workers are prevented from being strained by the belt due to inertia when the workers drop at high speed, and the belt is safer to use;

the buffer mechanism comprises a first belt wheel, a first fixed shaft and a buffer belt, wherein the first fixed shaft is arranged at the lower end of the inside of the anti-falling box, the first belt wheel is rotationally connected with the middle part of the first fixed shaft, the second spring is symmetrically arranged on the left side and the right side of the outer side of the first fixed shaft, the outer end head of the second spring is fixedly connected with the inner wall of a groove of the inner cambered surface of the first belt wheel, the buffer belt is wound inside the first belt wheel, the inner end head of the buffer belt is fixedly connected with the first belt wheel, the lower end of the buffer belt penetrates through a strip-shaped groove at the lower end of the anti-falling box, and safety ropes are symmetrically bolted at the end head, so that the buffer belt is conveniently wound and unwound.

Further, the inside upper end of preventing weighing down the box is equipped with the second fixed axle, and the middle part of second fixed axle rotates and is connected with the second band pulley, and the lateral surface middle part of second fixed axle is equipped with first strip spring, and the outside end of first strip spring and the inner wall fixed connection of second band pulley, the inside winding of second band pulley have receive and releases the area, receive and releases the inboard end and the second band pulley fixed connection of area, receive and releases the upper end of area and pass the bar mouth of preventing weighing down the box upper end and be equipped with solid fixed ring in end department, conveniently receive and releases the receipts of area.

Further, symmetrical sliding connection has the internal thread ring in the inside recess of first band pulley, through the spring fixed connection that the movable cover was established in first fixed axle middle part between two internal thread rings, the middle part bilateral symmetry of first fixed axle is provided with the screw thread with internal thread ring threaded connection, can play the cushioning effect to the outer putting of buffer zone.

Furthermore, the screw threads at the left end and the right end of the first fixed shaft are opposite in direction, so that synchronous movement of the two inner threaded rings is facilitated.

Further, the groove arranged on the inner cambered surface of the first belt wheel is internally and uniformly provided with a limiting groove, and the outer side surface of the inner threaded ring is uniformly provided with a limiting lug which is in sliding connection with the limiting groove, so that the limiting effect on the inner threaded ring is achieved.

Further, coupling assembling includes fixed plate and go-between, the fixed plate all is located the inside of waistband, and rivet and waistband fixed connection are all passed through in the four corners of fixed plate, and the opening that the front end of go-between corresponds and with the fixed plate middle part fixed connection that homonymy corresponds are passed to the rear end of waistband, and the lower extreme of safety rope ties up and fixes at the go-between middle part that homonymy corresponds, makes the connection more firm.

Further, the waistband comprises a waistband body, wherein the waistband body is woven by PBO fibers, and a pad is arranged at the center inside the waistband body.

In electric power overhauls overhead operation, because the operation space is narrow and small relatively, the operation degree of difficulty is high, and the danger is great, and the accident that will take place to fall slightly carelessly, the safety belt just is that the operating personnel wears when overhead operation, prevents that the operating personnel from taking place the overhead to fall and protect operating personnel to avoid or reduce the personal protection articles for use that causes the injury because of falling, and the safety belt comprises waistband, safety rope, various metal fittings etc. its operation requirement is: 1. all work performed at a place 2 m or above from the ground should be regarded as overhead work, and the overhead work should use a safety belt; 2. the safety belt is hung on an electric pole, a firm member or a steel frame or a steel wire rope specially used for hanging the safety belt; 3. when the safety belt is hung, the force bearing part of the hanging point is required to be confirmed to be firm and then the safety belt can be hung; also, for example, the patent CN213374829U, CN203235198U and CN206964915U mainly ensure the personal safety of the maintainer in the operation process by specific protection principles and protection structures, prevent the falling of the high place caused by the problems of unlocked safety belt lock catch, deformed hook or unreliable tying point in the operation process, so as to realize the prior precaution and provide safe and reliable guarantee for the staff. Some electric power overhauls protector mainly used prevents that electric power operation instrument from falling to prevent producing the incident, for example patent CN112688228A, CN215025472U, CN209628863U, CN111037527B and CN114794713A, mainly solve electric power and overhaul high altitude working in-process operation instrument and conveniently take at any time, improve work efficiency, can be safely fixed when not using. Therefore, the existing electric power overhauling protection device basically can meet the requirements of preventing the working tools and operators from falling, the problem that the operators are injured in the process of falling prevention under the accidental condition, especially the situation of waist sprain happens during electric power overhauling operation, a buffer is arranged on a safety belt in the prior art, the safety belt is combined with the buffer for use, when a falling accident happens, the safety belt can prevent the operators from falling, the operators are pulled by the combined action of the safety belt, the safety rope and the metal fittings, the operators cannot fall down, the impact force can be generated due to the mass and falling height of the human body, the greater the mass and the greater the falling distance of the human body, the greater the impact force acted on the human body is, and the important function of the safety belt is that the impact force exceeding the limit part of the impact force born by the human body is absorbed through the stretching deformation of the safety rope, the safety belt, the deformation, friction, damage and other forms of the internal components of the buffer, so that the impact force acted on the human body is below the safety belt, thereby playing the role of protecting the operators from falling and reducing the injury limit. In addition, the safety rope and the waistband of the existing electric safety belt are exposed outside when in use, so that the overhaul progress of workers is easily affected.

The invention provides an anti-drop protection device for electric power overhaul, which is comfortable to contact with a human body and has long service life, and solves the problem that a worker is pulled by a waistband due to inertia when the worker falls unexpectedly under the condition of not affecting the overhaul progress of the worker, and is detailed as follows:

1. according to the invention, the fixing ring at the upper end of the winding and unwinding belt is fixedly connected with the external safety hook, and the second belt wheel at the middle part of the second fixing shaft rotates to wind and unwind the winding and unwinding belt along with the movement of a worker, so that the first strip spring between the second fixing shaft and the second belt wheel can automatically wind and unwind the winding and unwinding belt under the action of elasticity, the maintenance of the worker is facilitated, and the use is more convenient. When the staff accidentally drops, the receive and release area in the second band pulley outside is put fast, the first band pulley at first fixed axle middle part rotates simultaneously and makes the buffering outband put, first band pulley pivoted is second clockwork spring takes place elastic deformation, simultaneously two spacing grooves of first band pulley inside rotate in step under the spacing effect of spacing groove, because the thread threaded connection that internal thread ring and first fixed axle middle part bilateral symmetry set up, so two internal thread rings are close to in opposite directions along the spacing groove when rotating, the spring is compressed constantly, thereby make internal thread ring pivoted resistance constantly increase, and then play the buffering effect to the rotation of first band pulley, because inertia is strained by the waistband when avoiding the staff to drop at a high speed, it is safer to use. The electric power overhauling protection device can automatically wind the winding and unwinding belt, overhauls the workers are not affected, the internal structure is more firmly connected, the workers falling down can be slowly lowered, the workers are prevented from being pulled by the waistband due to inertia when falling down at a high speed, and the use is safer.

2. The four corners of the fixing plate are fixedly connected with the waistband through rivets, the rear ends of the connecting rings penetrate through the openings corresponding to the front ends of the waistband and are fixedly connected with the middle parts of the fixing plates corresponding to the same sides, and the lower ends of the safety ropes are respectively fixedly bolted with the connecting rings corresponding to the same sides, so that the connection between the connecting rings and the waistband is firmer.

3. The prior art safety belt is made of terylene materials or nylon materials, and the materials have enough mechanical strength and wear resistance, but are tight in waist tightening, uncomfortable in contact with a human body, heavy in weight and heavy in wearing. The waistband comprises a waistband body, wherein the outside of the waistband body is coated with an outer sleeve, the waistband body is woven by PBO fibers, and the PBO fibers are excellent in strength, modulus, heat resistance, ageing resistance, impact resistance, friction resistance and dimensional stability, light and soft, easy to weave, comfortable to contact with a human body and light and convenient to wear; the cushion plate is arranged at the center inside the waistband body, so that the waist of a worker is supported, and the human body is prevented from being too tight.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic plan view in cross-section of a waistband according to the present invention;

FIG. 3 is a schematic view of the internal cross-sectional structure of the fall arrest box of the present invention;

FIG. 4 is a schematic side cross-sectional view of a cushioning mechanism of the present invention;

FIG. 5 is a second schematic plan view of the waistband of the present invention.

In the figure: 1 waistband, 2 connecting components, 21 fixing plate, 22 connecting ring, 3-mesh word button, 4 backing plate, 5 anti-falling box, 6 buffer mechanism, 61 first belt wheel, 62 internal thread ring, 63 first fixed axle, 64 spring 65 limit grooves, 66 buffer belts, 7 second fixing shafts, 71 first strip springs, 8 second belt pulleys, 9 winding and unwinding belts, 10 fixing rings, 11 second spring springs, 12 safety ropes, 13 waistband bodies and 14 jackets.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-4, the present embodiment provides a technical solution: an electric power overhauling protection device comprises a waistband 1 and an anti-falling box 5;

waistband 1: the waistband 1 comprises a waistband body 13, wherein the waistband body 13 is woven by PBO fiber with the density of 1.54-1.55g/cm ³ The strength at break is 3.7-3.9N/tex, the elongation at break is 3-3.5%, the moisture regain is 1-2%, the center of the inside of the waistband body is provided with a base plate 4, the left end of the waistband 1 is provided with a letter button 3, the connection and fixation of the two ends of the waistband 1 are facilitated, the center of the inside of the waistband 1 is provided with the base plate 4, and the waistband has a supporting function on the waist of a worker;

anti-falling box 5: the inside lower extreme is equipped with buffer gear 6, buffer gear 6's lower extreme symmetry bolt has safety rope 12, the fixed bolt of coupling assembling 2 that two safety ropes 12 lower extreme set up with waistband 1 both ends respectively, coupling assembling 2 includes fixed plate 21 and go-between 22, fixed plate 21 all is located waistband 1's inside, the four corners of fixed plate 21 all passes through rivet and waistband 1 fixed connection, the opening that the front end of go-between 22 corresponds and with the fixed plate 21 middle part fixed connection that the homonymy corresponds, the lower extreme of safety rope 12 ties up and fixes at the go-between 22 middle part that the homonymy corresponds, make the connection between go-between 22 and the waistband 1 more firm.

The inside upper end of anti-falling box 5 is equipped with second fixed axle 7, the middle part of second fixed axle 7 rotates and is connected with second band pulley 8, the lateral surface middle part of second fixed axle 7 is equipped with first strip spring 71, the outside end of first strip spring 71 and the inner wall fixed connection of second band pulley 8, the inside winding of second band pulley 8 has a receive and release area 9, receive and release area 9's inboard end and second band pulley 8 fixed connection, receive and release area 9's upper end passes the bar mouth of anti-falling box 5 upper end and is equipped with solid fixed ring 10 in end department, when the high altitude maintenance, with receive and release area 9's solid fixed ring 10 and outside safety hook fixed connection, along with staff's removal, second band pulley 8 at second fixed axle 7 middle part rotates and receive and releases area 9, first strip spring 71 between second fixed axle 7 and the second band pulley 8 can receive and release area 9 automatic rolling under the elasticity effect, make things convenient for the staff to overhaul.

The buffer mechanism 6 comprises a first belt wheel 61, a first fixed shaft 63 and a buffer belt 66, wherein the first fixed shaft 63 is arranged at the lower end of the inside of the anti-falling box 5, the middle part of the first fixed shaft 63 is rotationally connected with the first belt wheel 61, the outer side surface of the first fixed shaft 63 is symmetrically provided with a second spring 11 in a left-right mode, the outer end head of the second spring 11 is fixedly connected with the inner wall of a groove of the inner cambered surface of the first belt wheel 61, the buffer belt 66 is wound in the inside of the first belt wheel 61, the inner end head of the buffer belt 66 is fixedly connected with the first belt wheel 61, the lower end of the buffer belt 66 penetrates through a strip-shaped groove at the lower end of the anti-falling box 5 and is symmetrically bolted with a safety rope 12 at the end head, the inner groove of the inside of the first belt wheel 61 is symmetrically and slidingly connected with an internal thread ring 62, the middle part of the first fixed shaft 63 is symmetrically provided with threads connected with the internal thread ring 62 in a left-right mode through a spring 64 movably sleeved at the middle part of the first fixed shaft 63, the screw threads at the left and right ends of the first fixed shaft 63 are opposite in direction, the grooves formed in the inner cambered surface of the first belt wheel 61 are uniformly provided with limit grooves 65, the outer side surface of the inner thread ring 62 is uniformly provided with limit bumps which are in sliding connection with the limit grooves 65, when a worker accidentally drops, the retracting belt 9 at the outer side of the second belt wheel 8 is rapidly released, meanwhile, the first belt wheel 61 at the middle part of the first fixed shaft 63 rotates to enable the buffer belt 66 to be externally released, the first belt wheel 61 rotates and simultaneously the second spring 11 elastically deforms, meanwhile, under the limit action of the limit grooves 65, the two limit grooves 65 in the first belt wheel 61 synchronously rotate, because the inner thread ring 62 is in threaded connection with the screw threads symmetrically arranged at the middle part of the first fixed shaft 63, the two inner thread rings 62 are oppositely close along the limit grooves 65 while rotating, the spring 64 is continuously compressed, the resistance to rotation of the internally threaded ring 62 is thereby increased, and the rotation of the first pulley 61 is buffered, avoiding the operator from being pulled by the belt 1 due to inertia when falling at high speed.

The working principle of the electric power overhaul protecting device provided by the invention is as follows: the waistband 1 is wound to the waist by a worker, then the end of the waistband 1 penetrates into the eye-shaped buckle 3, so that the end of the waistband 1 is fixedly connected, then the two safety ropes 12 at the lower end of the buffer belt 66 are fixedly bolted with the connecting rings 22 corresponding to the same side, when the waistband is overhauled at high altitude, the fixing rings 10 at the upper end of the winding and unwinding belt 9 are fixedly connected with the external safety hooks, along with the movement of the worker, the winding and unwinding belt 9 is wound and unwound by the rotation of the second belt pulley 8 in the middle of the second fixed shaft 7, and the winding and unwinding belt 9 can be automatically wound and unwound by the first spring 71 between the second fixed shaft 7 and the second belt pulley 8 under the action of elasticity, so that the overhaul of the worker is facilitated; when the staff accidentally drops, the winding and unwinding belt 9 outside the second belt pulley 8 is rapidly unwound, meanwhile, the first belt pulley 61 in the middle of the first fixed shaft 63 rotates to enable the buffer belt 66 to be outwards unwound, the first belt pulley 61 rotates and simultaneously the second clockwork spring 11 elastically deforms, meanwhile, under the limiting effect of the limiting grooves 65, the two limiting grooves 65 in the first belt pulley 61 synchronously rotate, because the internal thread rings 62 are in threaded connection with threads symmetrically arranged in the middle of the first fixed shaft 63, the two internal thread rings 62 are oppositely close to each other along the limiting grooves 65 while rotating, the springs 64 are continuously compressed, so that the rotating resistance of the internal thread rings 62 is continuously increased, the buffer effect is achieved on the rotation of the first belt pulley 61, the phenomenon that the staff falls at a high speed due to inertia is damaged by the waistband 1 is avoided, and meanwhile, the backing plate 4 at the rear end of the waistband 1 can play a supporting role on the waist of the staff, and the use is safer.

Example 2

The electric power overhaul protecting device of this embodiment is basically the same as embodiment 1, and the same points are not repeated, and some differences are that: referring to fig. 5, the waistband 1 comprises a waistband body 13, the waistband body 13 is woven by PBO fibers, a cushion plate 4 is arranged at the center inside the waistband body, a sheath 14 is wrapped on the periphery of the waistband body 13, the sheath is made of dampproof silk threads, the dampproof silk threads are soft and elastic, wear-resistant, light in weight, high in tensile force, good in heat resistance and excellent in insulating property, the waistband body is protected, and meanwhile, the comfort of the waistband in contact with a human body is further improved.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims (3)

1. The electric power overhaul protection device is characterized by comprising a waistband (1) and an anti-falling box (5);

waistband (1): the left end of the waistband (1) is provided with a button (3);

anti-falling box (5): the lower end of the inner part of the belt is provided with a buffer mechanism (6), the lower ends of the buffer mechanism (6) are symmetrically bolted with safety ropes (12), and the lower ends of the two safety ropes (12) are fixedly bolted with connecting components (2) which are arranged at the two ends of the belt (1) respectively;

the buffer mechanism (6) comprises a first belt wheel (61), a first fixed shaft (63) and a buffer belt (66), the first fixed shaft (63) is arranged at the lower end of the inside of the anti-falling box (5), the first belt wheel (61) is rotationally connected to the middle of the first fixed shaft (63), second spring springs (11) are symmetrically arranged on the outer side surface of the first fixed shaft (63) left and right, the outer side ends of the second spring springs (11) are fixedly connected with the inner wall of a groove of the inner cambered surface of the first belt wheel (61), the buffer belt (66) is wound inside the first belt wheel (61), the inner side end of the buffer belt (66) is fixedly connected with the first belt wheel (61), and the lower end of the buffer belt (66) penetrates through a strip-shaped groove at the lower end of the anti-falling box (5) and is symmetrically bolted with a safety rope (12) at the end;

the anti-falling box is characterized in that a second fixed shaft (7) is arranged at the upper end of the inside of the anti-falling box (5), a second belt wheel (8) is rotationally connected to the middle part of the second fixed shaft (7), a first strip spring (71) is arranged at the middle part of the outer side surface of the second fixed shaft (7), the outer end head of the first strip spring (71) is fixedly connected with the inner wall of the second belt wheel (8), a winding and unwinding belt (9) is wound inside the second belt wheel (8), the inner end head of the winding and unwinding belt (9) is fixedly connected with the second belt wheel (8), and the upper end of the winding and unwinding belt (9) penetrates through a strip-shaped opening at the upper end of the anti-falling box (5) and is provided with a fixing ring (10) at the end head;

an inner threaded ring (62) is symmetrically and slidingly connected in a groove in the first belt wheel (61), the two inner threaded rings (62) are fixedly connected through a spring (64) movably sleeved at the middle part of a first fixed shaft (63), and threads in threaded connection with the inner threaded rings (62) are symmetrically arranged at the middle part of the first fixed shaft (63) left and right;

the screw threads at the left end and the right end of the first fixed shaft (63) are opposite in direction;

limiting grooves (65) are uniformly formed in grooves formed in the inner cambered surface of the first belt wheel (61), and limiting protruding blocks which are in sliding connection with the limiting grooves (65) are uniformly arranged on the outer side face of the inner threaded ring (62).

2. The electric power overhauling protection device according to claim 1, wherein the connecting assembly (2) comprises a fixing plate (21) and a connecting ring (22), the fixing plate (21) is located in the waistband (1), four corners of the fixing plate (21) are fixedly connected with the waistband (1) through rivets, the rear end of the connecting ring (22) penetrates through an opening corresponding to the front end of the waistband (1) and is fixedly connected with the middle part of the fixing plate (21) corresponding to the same side, and the lower end of the safety rope (12) is bound and fixed in the middle part of the connecting ring (22) corresponding to the same side.

3. An electrical overhaul protection device according to claim 1 or 2, characterized in that the waistband (1) comprises a waistband body (13), the waistband body (13) is woven from PBO fibres, and a pad (4) is arranged in the center of the inside of the waistband body.

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