CN2762831Y

CN2762831Y - Extension safety rig

Info

Publication number: CN2762831Y
Application number: CN 200520003508
Authority: CN
Inventors: 葛俭玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-14
Filing date: 2005-01-14
Publication date: 2006-03-08
Anticipated expiration: 2015-01-14

Abstract

The utility model relates to an extension safety rig for connecting the extension of steel cables on general safety belts. The utility model is characterized in that the structure of the utility model comprises a buffering hanging ring arranged at the top of a casing, a main shaft arranged in the casing, a lock block arranged in the main shaft section in the casing, and steel cables coiled on a ratchet coiling cylinder, wherein the buffering hanging ring is composed of a left ear plate, a right ear plate, a hanging ring rod, a buffering body, a spring, a slide plate and a shaft, both shaft ends of the main shaft extend out of the casing, the lock block is provided with the ratchet coiling cylinder and is meshed with a ratchet, and the steel cables can extend and are provided with clamping rings. The main shaft section which extends out of one side of the casing is provided with a clutch locking mechanism which is composed of an outer cover, a small inner ratchet wheel, an eccentric block, a shaft, a centrifugal claw, a spring, an ear ring, a connecting rod, a storing spring, a spacing fender, a lock block and a small shaft. The main shaft section which extends out of the other side of the casing is provided with a rocking handle and a brake sticking speed controlling mechanism which is composed of a brake wheel, an outer cover, a brake sticking sheet, a clamping spring, a knob, an arc slide groove, a slide shaft, a slide groove frame and a restoring spring. The utility model is widely used in various high altitude work points and has the advantages of convenient installation, safe and reliable safe tying performance and convenient use.

Description

Extend safety rigging

Technical field

The utility model relates to the appurtenance that ensures constructor's safety in the work high above the ground, and specifically: being engaged in the work high above the ground constructor is a kind of extension safety rigging that connection can make steel wire rope extend on the common safety belt that has.

Background technology

At present, construction, Mountaineering, exploring expedition, high-altitude fire-fighting, aviation relief and high-lager building repair that meals are kept a public place clean, the installation and maintenance of large-scale steel structure and in all work high above the ground, be extensive use of common safety belt, only 1.5 meters of its length, the one end is fastened on setting top, the other end is banded on constructor's the waist, is used for safeguarding the safety of constructor in work progress.But this its length of common safety belt is too short, restricted by length, can not adjust the length of safety belt with the variation of construction height position arbitrarily, simultaneously, because safety belt is too short, sometimes be difficult to find suitable fastening a little at setting, and common safety belt can't be realized, cause the work high above the ground constructor that safety guarantee can not be arranged.

Summary of the invention

The utility model is intended to the defective and the weak point that exist in above-mentioned technology, connect the construction that both helps work high above the ground that steel wire rope is extended on the common safety belt and offer, and can ensure a kind of extension safety rigging of constructor's safety again.

The purpose of this utility model realizes with following technical scheme: a kind of extension safety rigging, be characterised in that: its structure is mainly by shell, main shaft, the buffering link, steel wire rope, snap ring, the reel of band ratchet, lock dog, ratchet clutch locking mechanism in little, band-type brake control speed mechanism, crank is formed, in cover top portion, the left side of both sides, hinged buffering link on the auris dextra plate, dress main shaft in the shell, the main shaft two axial ends stretches outside the shell, the reel of suit band ratchet on the shell inner main axis section, corresponding with the ratchet position of reel, the horizontal lock dog that can be meshed between the biside plate of outer casing underpart one side with the reel ratchet, package steel wire rope on the reel, the steel wire rope tail end passes steel wire rope track roller Joining clasp, on the spindle end that stretches out shell one side, adorn little in ratchet clutch locking mechanism, dress band-type brake control connects mechanism and crank on the main shaft section of stretching out the shell opposite side.Left side in the cover top portion both sides of sheet material system, hinged buffering link on the auris dextra plate, described buffering link is by a left side, the auris dextra plate, axle, spring, slide plate, the rectangle buffer body, eye bar is formed, be provided with a left side that fuses with shell in the cover top portion both sides, the auris dextra plate, pass a left side with axle, the auris dextra plate, rectangle buffer body lower hinge is in cover top portion, rectangle buffer body built-in spring, touch mutually with slide plate on being loaded on the rectangle buffer body spring bottom, its slide plate is contained in the chute of rectangle buffer body, make eye bar pass slide plate, spring stretches outside buffering cuboid top, the buffering link is subjected to the external force effect can make spring compression and resets, in case the impulsive force that is used for being buffered in when falling and is produced; The reel of described band ratchet, there is flange at the reel two ends, symmetry is furnished with or along clockwise or in the counterclockwise direction tilting on the two flange circumference faces, the ratchet in the same way that its angle of inclination is all identical, its in the same way ratchet can be meshed with the lock dog that activity is loaded on shell one side lower part, being used for pinning reel can not rotate along the same direction of ratchet, but do not restrict the backward rotation of reel, the steel wire rope that package can be extended between two flanges of reel, described steel wire rope, be extensible safety rope, it adopts the steel wire rope of Φ more than 3 to make, and its length is more than 50 meters; Described little interior ratchet clutch locking mechanism is loaded on the main shaft shaft part that stretches out shell one side, mainly rotate the centrifugal force that produces and come controlled lock piece be meshed with the ratchet of reel locking and unlatching by main shaft, it is by outer cover, little inner ratch gear, the core shift piece, centrifugal pawl, spring, eccentric shaft, earrings, connecting rod, limiting block, back-moving spring, supporting lock dog plate, little axle is formed, be equipped with in shell side on the main shaft shaft part of outer cover and adorn little inner ratch gear in regular turn, the centrifugal pawl that can be meshed with little interior ratchet, eccentric block, eccentric block face one side is connected with centrifugal pawl face one side with eccentric shaft, one end of another side-line hook spring of centrifugal pawl face, the other end system of spring is hooked in the opposite side of eccentric block face, corresponding with the position that centrifugal pawl and interior ratchet are meshed, on the periphery of little inner ratch gear, be provided with the earrings that fuses with it, earrings connects an end of connecting rod, the connecting rod stage casing is provided with the spring limiting block, retaining is the suit back-moving spring down, the other end of connecting rod is hinged on an end that supports the lock dog plate with little axle, and the other end of supporting lock dog plate is fixed on the end of lock dog; The other end of lock dog passes the groove that shell side plate movable transverse places the shell another side, and lock dog can be meshed with the ratchet on reel two end boss; The fast mechanism of described band-type brake control is loaded on the main shaft shaft part that stretches out the shell opposite side, come elasticity to hold the control reel tightly with it and have at the uniform velocity velocity of rotation, it is by the brake wheel outer cover, brake wheel, semicircle band-type brake sheet, fastening spring, turn-knob, arc chute, runner frame, the slide-bar that in arc chute, slides, back-moving spring is formed, be equipped with at the shell side plate on the main shaft section of brake wheel outer cover and adorn brake wheel, form circular band-type brake along filling the span of a man's arms with two semicircle band-type brake sheets on the brake wheel periphery, the flange of two semicircle band-type brake sheet one ends is sentenced the fastening spring clamping connection and even tightly is integral, and between flange the plug-in mounting turn-knob, turn-knob can be made the elasticity of control band-type brake sheet; In between the flange of the two semicircle band-type brake sheet other ends, be connected with slide-bar with loose-leaf, slide-bar one end passes the shell side plate and stretches its head, and on the shell side plate, have an arc chute that slide-bar is slided, corresponding with the arc chute position, the other end in slide-bar is provided with the runner frame that parallels with it, also have in the runner frame face and can make slide arc chute in it of slide-bar, be slide-bar can along on the shell side plate and runner frame on arc chute carry out arcuate movement, it on the slide-bar end that connects back-moving spring, the other end system of back-moving spring is connected on the pillar of runner frame, thereby assist lock dog to reset by back-moving spring system control reel, and the crank of receiving rope usefulness is housed on the spindle end outside the brake wheel outer cover, the turn-knob of opening between flange just can be wrapped on the reel with extending in outer steel wire rope with hand rotation crank trippingly, at this moment, if will carry out the work high above the ground construction, the constructor at first should hang the buffering link top of jail at setting, because the very long steel wire rope that can extend is arranged, it is not subjected to the restriction of length, the place that can in the zone of work high above the ground point, select system to hang, have only and reliably to fasten the buffering link just passable, that is to say, arbitrary place in the zone of work high above the ground point all can be fastened, then, the snap ring of steel wire rope tail end is connected on the common safety belt, the constructor again should common safety belt be banded in fasten between waist after, can construct in the place at standpoint, if there is not the standpoint, construct outward as the wall of mansion, also must outfit can bear the main rope of safety of constructor's body wt; When using as under half way up the mountain or abrupt slope state, depending on, the buffering link is fixed on the oblique upper of setting or operating point, if the slope can be climbed, it is descending then snap ring to be buckled on the safety belt between waist climbing, if be difficult to climbing, then must as the outer construction of mansion wall, be equipped with the main rope of safety and make the both sides of shell be sure not to touch mutually, to guarantee normal trouble free service of the present utility model with depending on face.When the constructor slightly one accidentally or other reason cause slipping when falling, just as freely falling body falls, steel wire rope extends landing downwards rapidly, just driving main shaft rotates rapidly, and the drive eccentric block rotates, thereby make centrifugal pawl produce outside centrifugal force, the pawl of centrifugal pawl is meshed with ratchet in the little inner ratch gear, thereby just driving little inner ratch gear rotates, earrings on the little inner ratch gear also rotates thereupon, with regard to the drivening rod motion, can not rotate with regard to making ratchet engagement on lock dog and reel two end boss lock reel by connecting rod, be steel wire rope moment on the reel to stop downward extension, therefore falling moment from the constructor stopped to extend to steel wire rope moment, between 15cm～60cm,, can ensure constructor's safety, in case the releasing security incident, promptly freely falling body gravity velocity solution is down removed, and is subjected to the action of reset spring on the connecting rod, lock dog is not meshed with regard to leaving the ratchet on the reel, and the steel wire rope on the reel can continue to extend standby again.Combine the above technical measures of being taked, realize the purpose of this utility model.

Compared with prior art, the utility model not only helps the work high above the ground construction, is applicable to the work high above the ground point of various occasions, and can ensures constructor's safety.Use very convenient.

Description of drawings

The utility model has four width of cloth accompanying drawings, wherein:

Accompanying drawing 1 is the main apparent structure schematic diagram of the utility model specific embodiment

Accompanying drawing 2 is that the A of Fig. 1 is to view

Accompanying drawing 3 is that the B of Fig. 1 is to view

Accompanying drawing 4 is C-C views of Fig. 1

Among the figure: 1, link bar 2, buffer body 3, spring 4, slide plate 5, axle 6, a left side, auris dextra plate 7, ratchet 8, brake wheel outer cover 9, ratchet reel 10, fastening spring 11, turn-knob 12, brake wheel 13, semicircle band-type brake sheet 14, main shaft 15, crank 16, arc chute 17, slide-bar 18, shell 19, lock dog 20, steel-wire track roller 21, steel wire rope 22, snap ring 23, supporting lock dog plate 24, back-moving spring 25, spring limiting block 26, connecting rod 27, earrings 28, centrifugal pawl 29, eccentric block 30, eccentric shaft 31, outer cover 32, little inner ratch gear 33, spring 34, runner frame 35, back-moving spring 36, little axle

The specific embodiment

Fig. 1,2,3, it shown in 4 specific embodiment of the utility model, the length overall of the steel wire rope 21 of package Φ 3mm is 100 meters on ratchet reel 9, its tail end is connected on the common safety belt with snap ring 22, its structure is mainly by steel plate system shell 18, main shaft 14, the buffering link, steel wire rope 21, snap ring 22, the reel 9 of band ratchet 7, lock dog 19, ratchet clutch locking mechanism in little, band-type brake control speed mechanism, crank 15 is formed, left side in the both sides, top of steel plate system shell 18, hinged on the auris dextra plate 6 by link bar 1, buffer body 2, spring 3, slide plate 4, the buffering link that axle 5 is formed, dress main shaft 14 in the shell 18, the two axial ends of main shaft 14 stretches outside

shell

18,14 sections reels 9 of going up suit band ratchet 7 of main shaft in the shell 18, the two ends of reel 9 are arranged with flange, be furnished with clockwise direction on the periphery of flange, its inclination angle is 8 ° ratchet in the same way 7, the horizontal lock dog 19 that can be meshed in the bottom, left side of shell 18 with the ratchet 7 on the reel 9, the two ends activity of lock dog 19 is loaded in the groove on the biside plate of bottom, shell 18 left side, package steel wire rope 21 on the reel 9, the tail end of steel wire rope 21 passes steel wire rope roller 20, Joining clasp 22, and dress is by outer cover 31 on the axle head of the main shaft 14 that stretches out shell 18 left sides, little internal diameter gear 32, eccentric block 29, eccentric shaft 30, centrifugal pawl 28, spring 33, earrings 27, connecting rod 26, limiting block 25, back-moving spring 24, supporting lock dog plate 23, the little interior ratchet clutch locking mechanism that little axle 36 is formed, on main shaft 14 shaft parts on the right side of stretching out shell 18, adorn by brake wheel outer cover 8 brake wheel 12, semicircle band-type brake sheet 13, fastening spring 10, turn-knob 11, arc chute 16, runner frame 34, slide-bar 17, the band-type brake control speed mechanism that back-moving spring 35 is formed, assembled cranking bar 15 on main shaft 14 axle heads of brake wheel outer cover 8.

Claims

1, a kind of extension safety rigging, be characterised in that: its structure is mainly by shell (18), main shaft (14), the buffering link, steel wire rope (21), snap ring (22), the reel (9) of band ratchet (7), lock dog (19), ratchet clutch locking mechanism in little, band-type brake control speed mechanism, crank (15) is formed, on a left side, shell (18) both sides, top, auris dextra plate (6) is gone up hinged buffering link, dress main shaft (14) in the shell (18), main shaft (14) two axial ends stretches outside the shell, the reel (9) of suit band ratchet (7) on shell inner main axis (14) section, corresponding with ratchet (7) position of reel (9), the horizontal lock dog (19) that can be meshed between the biside plate of shell (18) bottom one side with reel ratchet (7), reel (9) is gone up package steel wire rope (21), steel wire rope (21) tail end passes steel wire rope track roller (20) Joining clasp (22), on the main shaft that stretches out shell (18) one sides (14) shaft part, adorn little in ratchet clutch locking mechanism, dress band-type brake control speed mechanism and crank (15) on main shaft (14) shaft part that stretches out shell (18) opposite side.

2, by the described extension safety rigging of claim 1, it is characterized in that: described buffering link, be loaded on the top of shell (18), it is by a left side, auris dextra plate (6), link bar (1), rectangle buffer body (2), spring (3), slide plate (4), axle (5) is formed, be provided with a left side that fuses with shell (18) in the cover top portion both sides, auris dextra plate (6), pass a left side with axle (5), auris dextra plate (6), rectangle buffer body (2) lower hinge is at the top of shell (18), rectangle buffer body (2) built-in spring (3), touch mutually with the slide plate that is loaded on rectangle buffer body (2) (4) spring (3) bottom, slide plate (4) is loaded in the chute of rectangle buffer body (2), makes eye bar (1) pass slide plate (4), spring (3) stretches outside rectangle buffer body (2) top.

3, by the described extension safety rigging of claim 1, it is characterized in that: the reel (9) of described band ratchet (7), there is flange at the reel two ends, symmetry is furnished with or along clockwise or in the counterclockwise direction tilting on the two flange circumference faces, the ratchet in the same way (7) that its angle of inclination is all identical, its in the same way ratchet (7) can be meshed with the lock dog (19) that activity is loaded on shell (18) one side lower parts.

4, by the described extension safety rigging of claim 1, it is characterized in that: described steel wire rope (21), it adopts the above steel wire rope of Φ 3mm to make, and its length is more than 50 meters.

5, by the described extension safety rigging of claim 1, it is characterized in that: described little interior ratchet clutch locking mechanism, be loaded on the shaft part of the main shaft (14) that stretches out shell (18) one sides, it is by outer cover (31), little inner ratch gear (32), eccentric block (29), eccentric shaft (30), centrifugal pawl (28), spring (33), earrings (27), connecting rod (26), spring limiting block (25), back-moving spring (24), supporting lock dog plate (23), little axle (36) is formed, on the main shaft that outer cover (31) are housed (14) section, adorn little inner ratch gear (32) in regular turn, the centrifugal pawl (28) that can be meshed with little interior ratchet, eccentric block (29), eccentric block (29) face one side is connected with centrifugal pawl (28) face one side with eccentric shaft (30), one end of another side-line hook spring (33) of centrifugal pawl (28) face, the other end system of spring (33) is hooked in the opposite side of eccentric block (29) face, corresponding with the position that centrifugal pawl (28) and interior ratchet are meshed, on the outer circumference surface of little inner ratch gear, be provided with the earrings (27) that fuses with it, earrings (27) connects an end of connecting rod (26), connecting rod (26) stage casing is provided with spring limiting block (25), and suit back-moving spring (24), the other end of connecting rod (26) is hinged on an end that supports lock dog plate (23) with little axle (36), and the other end of supporting lock dog plate (23) is fixed on the end of lock dog (19).

6, by the described extension safety rigging of claim 1, it is characterized in that: the fast mechanism of described band-type brake control, be loaded on main shaft (14) shaft part that stretches out the shell opposite side, it is by brake wheel outer cover (8), brake wheel (12), semicircle band-type brake sheet (13), fastening spring (10), turn-knob (11), arc chute (16), runner frame (34), slide-bar (17), back-moving spring (35) is formed, on the main shaft that brake wheel outer cover (8) are housed (14) shaft part, adorn brake wheel (12), form circular band-type brake along filling the span of a man's arms with two semicircle band-type brake sheets (13) on brake wheel (12) periphery, the flange of two semicircle band-type brake sheet (13) one ends is sentenced fastening spring (10) clamping connection and is fused, plug-in mounting turn-knob (11) between flange, be connected with slide-bar (17) with loose-leaf between the flange of the other end of two semicircle band-type brake sheets (13), slide-bar (17) one ends pass shell (18) side plate and stretch its folder portion; And on shell (18) side plate, have an arc chute (16) that slide-bar (17) is slided, corresponding with arc chute (16) position, the other end in slide-bar (17) is provided with the runner frame (34) that parallels with it, also have in runner frame (34) face and can make slide arc chute (16) in it of slide-bar, slide-bar (17) is gone up the end that system connects back-moving spring (35), and the other end system of back-moving spring (35) is connected on the pillar of runner frame (34).