CN202609891U - Protection frame for high-altitude suspension work - Google Patents
Protection frame for high-altitude suspension work Download PDFInfo
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- CN202609891U CN202609891U CN 201220171245 CN201220171245U CN202609891U CN 202609891 U CN202609891 U CN 202609891U CN 201220171245 CN201220171245 CN 201220171245 CN 201220171245 U CN201220171245 U CN 201220171245U CN 202609891 U CN202609891 U CN 202609891U
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Abstract
The utility model discloses a protection frame for high-altitude suspension work. The protection frame comprises a load frame, a safety belt, a suspension rope and a speed limiter, wherein the speed limiter is fixed on the load frame; the safety belt is fixed on the load frame; and the suspension rope is wound on the speed limiter. According to the protection frame, the suspension rope is wound on the speed limiter, so that the dropping speed of the load frame is kept constant, abrasion to the suspension rope is reduced, and safety is improved. The speed limiter is provided with a brake device, and the brake device is in an often-brake state; and a worker controls a brake handle, so that the safety of the worker is guaranteed. The diameter of a winch or a groove wheel in the speed limiter is greater than the diameter of the suspension rope, so that the service life of the suspension rope is greatly prolonged. A friction ring and a friction block are arranged in the speed limiter; a high-speed shaft in the speed limiter drives the friction block to rotate, and the friction block frictionizes the friction ring; and the friction power consumption has a mechanical negative feedback characteristic, so that the dropping kinetic energy can be effectively consumed, and the dropping speed is kept constant.
Description
Technical field
The utility model relates to a kind of aerial platform, relates in particular to a kind of high-altitude suspension operation protective frame.
Background technology
Along with day by day increasing of skyscraper, some new industries relevant that have been born with building, one of them is exactly the high-altitude suspension operation, roughly comprises high-altitude installation and maintenance and exterior wall cleaning operation.And be used for the modal equipment of aloft work is exactly lifting rope+boatswain chair, and lifting rope is controlled through a slip-knot, as long as one section rope under the upwards loosening slip-knot just can make boatswain chair and workman descend.Compare with the high-risk character of aloft work, this cover equipment is to have begun in too simple and crude, Taiyuan really.According to supervision department's statistics, annual all have the workman to weigh down the case of dying.Analyze wherein reason, any rope all has a minimum bending spring that allows, and this radius should be greater than the rope footpath more than 10 times, if the bending spring of rope less than License Value, then rope is impaired easily causes the rupture strength rapid drawdown.And the radius of the slip-knot that aloft work is beaten only equals 1 times of rope footpath, much smaller than License Value, must quicken the damage of lifting rope, shorten its service life, and the impaired situation of lifting rope can't see from the outside, is easy to cause the generation of accident.
The utility model content
The purpose of the utility model provides a kind of later-model high-altitude suspension operation protective frame, can be used for various aloft work, and safer, easy operating has multiple function.
The technical scheme of the utility model is: a kind of high-altitude suspension operation protective frame, comprise load frame, safety strap, lifting rope and velocity limiter, and velocity limiter is fixed on the load frame, and safety strap is fixed on the load frame, and lifting rope is on velocity limiter.Need the staff of aloft work to be fixed on the load frame with safety strap; Lifting rope is on the velocity limiter that is fixed on the load frame; The upper end is fixed on the building element; The speed that velocity limiter control load frame descends, or, the safety of high-altitude suspension operation protective frame is guaranteed in required control position realization brake.Lifting rope has guaranteed that the bending spring of lifting rope meets the requirements, and has reduced the wearing and tearing of lifting rope on velocity limiter.
Said velocity limiter comprises capstan winch, main shaft, big gear wheel, miniature gears, high speed shaft, hub and brake gear; Main shaft is fixed on the capstan winch, and big gear wheel is fixed on the main shaft, miniature gears and the engagement of acceleration big gear wheel; High speed shaft and miniature gears one are also coaxial; Hub is fixed on the high speed shaft, and brake gear is fixed on the hub, and lifting rope is on capstan winch.Lifting rope is coiled on the capstan winch, and lifting rope is released when capstan winch drives main axis rotation, and load frame descends.
Another kind of velocity limiter comprises two sheaves, two low speed gears, a high speed gear, two slow-speed shafts, a high speed shaft, hub and brake gear; One sheave and a low speed gear are fixed as one and rotate around a slow-speed shaft; Another sheave and another low speed gear are fixed as one and rotate around another slow-speed shaft; High speed gear meshes with low speed gear between two low speed gears, and high speed gear is fixed on the high speed shaft, and hub is fixed on the high speed shaft; Brake gear is fixed on the hub, and lifting rope is on two sheave outer rims.The lifting rope upper end is connected with building element, encloses around n in two sheave outer rims of velocity limiter, and hypomere is dragged to ground always.Allow on the same lifting rope two at the most the people in the differing heights operation.
The axis of two slow-speed shafts is not parallel.
Two kinds of velocity limiters all also comprise friction shoe, friction ring, towing plate and draft arm; Draft arm is fixed on the hub, and is vertical with high speed shaft, and friction shoe and draft arm are hinged through towing plate; Have groove on the friction shoe, friction ring embeds the groove and the friction shoe frictional connection of friction shoe.Because high speed shaft drives friction shoe, friction shoe is close to the friction ring inwall and is slided under centrifugal action, when capstan winch descends quickening; High speed shaft rotates also to be accelerated; Rotating speed high centrifugal force more is big more, and friction shoe is big more to the pressure of friction ring, has mechanical inverse feedback characteristic; Thereby effectively consume the kinetic energy that descends, making descends keeps constant speed.
The brake gear structure of two kinds of velocity limiters is identical, and said brake gear comprises brake disc, brake spiral and brake handle, and brake handle is fixed on the brake spiral, and brake disc is fixed on the hub, and when brake gear was in braking state, the brake spiral compressed brake disc.
Said brake disc is the brake disc of blade construction.
Said brake gear is in the state of often stopping, and promptly has only and when the user pulls brake handle, just removes braking state.
Said lifting rope is a steel rope.
Said high-altitude suspension operation protective frame also comprises emergency stop, and emergency stop is fixedly connected on the load frame.Emergency stop is fixed on the load frame through frame plate structure.
Emergency stop comprises secondary lifting rope, secondary capstan winch, counterweight, arm, pivot, spring, bumping post and spacing ring; Secondary lifting rope is on secondary capstan winch, and an end of arm is enclosed within on the pivot and pivots, and counterweight is fixed on the other end of arm; Pivot is fixed on the card of secondary capstan winch one side; Spacing ring is arranged on the outer rim of pivot, and bumping post is fixed on the frame plate structure by pivot one side, and spring housing is being arranged on the pivot between arm and the secondary capstan winch card.
Said emergency stop also comprises recoil spring, and recoil spring is arranged on frame plate structure and load frame is fixedly coupled the place.
Said load frame comprises a support tube, a backup plate and a seat, and backup plate is fixed on the support tube, and seat is fixed on the below that is positioned at backup plate on the support tube and vertical with backup plate.
The beneficial effect of the utility model:
Adopt lifting rope on velocity limiter, make the descending speed of load frame keep constant speed, and reduced the wearing and tearing of lifting rope, improved safety.
Have brake gear on the velocity limiter, brake gear often is in (the often stopping) state of stopping, and controls brake handle by the staff, has guaranteed staff's safety.
The capstan winch in the velocity limiter or the diameter of sheave increase the work life of lifting rope greater than the rope footpath of lifting rope greatly, have guaranteed safety of operators.
Have friction ring and friction shoe in the velocity limiter, the high speed shaft in the velocity limiter drives friction shoe and rotates, and with the friction ring friction, this friction energy-dissipating has mechanical inverse feedback characteristic, can effectively consume decline kinetic energy, and making descends keeps constant speed.
Brake disc is the brake disc of blade construction, and cooling friction ring and friction shoe can ventilate.
Load frame has backup plate and seat, and through safety strap the staff is fixed on the load frame, and the mode of operation relative comfort that makes the staff is with stable.
Description of drawings
Fig. 1 is the side schematic view of the high-altitude suspension operation protective frame of the utility model.
Fig. 2 is the schematic rear view of the high-altitude suspension operation protective frame of the utility model.
Fig. 3 is the position view of velocity limiter of the high-altitude suspension operation protective frame of embodiment 1.
Fig. 4 is the structural representation of velocity limiter of the high-altitude suspension operation protective frame of embodiment 1.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the B-B cutaway view of Fig. 4.
Fig. 7 is the C-C cutaway view of Fig. 4.
Fig. 8 is the structural representation of emergency stop on the high-altitude suspension operation protective frame of embodiment 1.
Fig. 9 is the spring scheme of installation of emergency stop.
Figure 10 is the operation scheme drawing of emergency stop.(arm and counterweight are not opened among the figure)
Figure 11 is the operation scheme drawing of emergency stop.(arm and counterweight are opened among the figure)
Figure 12 is the position view of velocity limiter of the high-altitude suspension operation protective frame of embodiment 2.
Figure 13 is the structural representation of velocity limiter of the high-altitude suspension operation protective frame of embodiment 2.
Figure 14 is the high speed gear of the velocity limiter among the embodiment 2 and the engagement figure of low speed gear.
Figure 15 is the friction ring of the velocity limiter among the embodiment 2 and the annexation figure of friction shoe.
Figure 16 is the structural representation of the brake disc of the velocity limiter among the embodiment 2.
Figure 17 is the scheme drawing that concerns between two slow-speed shafts of the velocity limiter among the embodiment 2.
The specific embodiment
Be elaborated below in conjunction with the high-altitude suspension operation protective frame of accompanying drawing to the utility model.
As depicted in figs. 1 and 2, a kind of high-altitude suspension operation protective frame comprises load frame 1, safety strap 2, lifting rope 3 and velocity limiter 100, and velocity limiter 100 is fixed on the top of load frame 1, and safety strap 2 is fixed on the middle part of load frame 1, and lifting rope 3 is on velocity limiter.Lifting rope 3 is a steel rope.
Load frame 1 comprises support tube 4, backup plate 5, seat 6, spring 7 and buffer tube 8, and backup plate 5 is fixed on the support tube 4, and seat 6 is fixed on the below that is positioned at backup plate 5 on the support tube 4 and vertical with backup plate 5.Buffer tube 8 is enclosed within the support tube 4 slidably, and spring 7 is fixed on buffer tube 8 upper ends and is positioned at support tube 4.
Under the normal circumstances, lifting rope 3 makes the load frame band the staff under the effect of body weight and descends slowly through velocity limiter 100, and the staff carries out high-altitude application.
Velocity limiter 100 can be fixed on the load frame through frame plate structure.The concrete frame plate structure embodiment of face is as follows described.
The utility model can adopt two kinds of different velocity limiters; Those skilled in the art know through velocity limiter can make the descending speed of load frame controlled; And velocity limiter is except the type that the utility model adopts; Other velocity limiter that it may occur to persons skilled in the art that also can apply to the utility model, but the velocity limiter of the preferred following two kinds of structures of the embodiment of the utility model.
Embodiment 1
Velocity limiter such as Fig. 3-7 that the high-altitude suspension operation protective frame of embodiment 1 adopts, Fig. 3 has shown that velocity limiter is positioned at the top of the support tube 4 of load frame 1, adopts the frame plate structure of left deckle board 15, middle deckle board 16 and right deckle board 17 to fix.Fig. 4-7 structure that has specifically shown the velocity limiter that present embodiment adopts comprises capstan winch 9, main shaft 10, quickens big gear wheel 11, quickens miniature gears 12, high speed shaft 13, hub 14 and brake gear, and main shaft 10 passes capstan winch 9 centers and capstan winch 9 is fixing; Main shaft 10 is rotatably mounted between left deckle board 15 and the middle deckle board 16, fixes but capstan winch 9 is connected with main shaft 10 keys, and also can pinning, it is fixing to connect; Quickening big gear wheel 11 is fixed on the main shaft 10; Acceleration big gear wheel 11 can be connected fixing with main shaft 10 keys, also can pin to connect and fix, and quickens miniature gears 12 and quickens big gear wheel 11 engagements; High speed shaft 13 and acceleration miniature gears 12 one and coaxial (high speed shaft 13 passes and quickens miniature gears 12 centers and quicken miniature gears 12 to be fixed as one); Hub 14 is fixed on the high speed shaft 13, and brake gear is fixed on the hub 14, and lifting rope 3 is on capstan winch 9; Tail end is fixed on the capstan winch 9, and the upper end is fixed on the building element.
Velocity limiter also comprises friction shoe 18, friction ring 19, towing plate 20 and draft arm 21; Draft arm 21 is fixed on the hub 14; Vertical with high speed shaft 13, friction shoe 18 is hinged through towing plate 20 with draft arm 21, has groove on the friction shoe 18; Friction ring 19 embeds the groove and friction shoe 18 frictional connectiones of friction shoe 18, referring to Fig. 5.Friction shoe 18 and towing plate 20 are connected by bearing pin; Towing plate 20 other ends and draft arm 21 are connected by bearing pin; Why friction shoe 18 directly is not connected with draft arm 21, is anti-attrition after to a certain degree, friction shoe 18 have only an end can with friction ring 19 contact frictions; The other end is unsettled, through the hinged back of towing plate 20 friction shoes 18 just all the time with friction ring 19 full face contacts.
Brake gear then comprises brake disc 22, brake spiral 23 and brake handle 24, and brake handle 24 is fixed on the brake spiral 23, and brake disc 22 is fixed on the hub 14, and when brake gear was in braking state, brake spiral 23 compressed brake disc 22.On the brake disc 22 be the brake disc of blade construction, as shown in Figure 7.Brake gear is in the state of often stopping.
When operation began, lifting rope 3 was coiled on the capstan winch 9, had only that lifting rope 3 just is released when capstan winch 9 drives main shafts 10 rotations, and workman's height just can reduce.And main shaft 10 is through quickening big gear wheel 11 and quickening miniature gears 12 driving high speed shafts 13; High speed shaft 13 drives friction shoe 18 and brake disc 22 high speed revolutions; Friction shoe 18 rubs with fixing friction ring 19 under centrifugal action, is converted into heat energy to decline kinetic energy, plays the effect that consumes the kinetic energy constant speed; The effect that the friction of friction ring 19 and friction shoe 18 consumes heat energy has mechanical inverse feedback characteristic, so can descend slowly by proof load frame 1.Brake handle 24 often is in and stops (often stopping) state, and when just not touching it at ordinary times, brake spiral 23 is pressed on brake disc 22 on the backing plate 25; Make high speed shaft 13 stalls, when the workman upwards lifted brake handle 24, brake spiral 23 discharged brake disc 22; High speed shaft 13 rotates capstan winch 9 with the design speed rotation, discharges lifting rope 3 with design speed; When putting down brake handle 24, stop once again.
Certainly, rise in order to make high-altitude suspension operation protective frame, can set up motor 53, the 300w motor can be realized the ascending velocity of 0.35m/s, on protective frame, rewiring plate 54 need be set for this reason.
Simultaneously, high-altitude suspension operation protective frame also is provided with emergency stop in order further to ensure the safety of operating personal, and emergency stop is arranged on the top of the support tube 4 of load frame 1, is fixed on the support tube 4 through the first left deckle board 26 and the first right deckle board 27.Be the destructive dynamic load that prevents that the secondary capstan winch 29 unexpected stalls of emergency stop from causing; The first left deckle board 26 and the first right deckle board 27 that are used for fixing are connected on the support tube 4 through two bolt; The support tube 4 of load frame 1 is passed in two bolt lower ends, and recoil spring 35 is arranged between support tube 4 and nut.The setting of recoil spring 35 is because in case main lifting rope 3 ruptures, load is added in suddenly on the secondary lifting rope 28, and a destructive dynamic load is arranged this moment.Recoil spring 35 can be alleviated this dynamic load, like Fig. 3 and shown in Figure 8.
As shown in Figure 8; Emergency stop comprises secondary lifting rope 28, secondary capstan winch 29, counterweight 30, arm 31, pivot 32, spring 55, bumping post 33 and spacing ring 34, and secondary capstan winch 29 is rotatably mounted on the first left deckle board 26 and the first right deckle board 27 through bearing axle 36, and secondary lifting rope 28 tail ends are fixed on the secondary capstan winch 29; One end of arm 31 is enclosed within on the pivot 32 and rotates around pivot 32; Counterweight 30 is fixed on the other end of arm 31, and pivot 32 is fixed on the card of secondary capstan winch 29 1 sides, and spacing ring 34 is arranged on the outer rim of pivot 32; Bumping post 33 is fixed on the right deckle board 27; Spring 55 is enclosed within and is arranged on the pivot 32 between arm 31 and secondary capstan winch 29 cards, and two is separately fixed on arm 31 and secondary capstan winch 29 cards, and is as shown in Figure 9.Counterweight 30, arm 31, pivot 32 and spacing ring 34 all are two covers, and the center symmetry is installed on the card of secondary capstan winch 29, and counterweight 30 can be rotated around pivot 32 with arm 31 flexibly, but slewing area receives spacing ring 34 restrictions.Inside has a spring 53 to make counterweight 30 and arm 31 trend axle center.Secondary lifting rope 28 also is a steel rope.
Secondary lifting rope 28 upper ends are fixed on the building element, and all the other are on secondary capstan winch 29, and tail end is fixed on the secondary capstan winch 29.During normal the operation, load frame 1 descending speed is constant, (for example≤1.5m/s); Like lifting rope 3 fracture or come off, then descending speed increases suddenly, secondary capstan winch 29 faster rotational speed; When the decline linear speed reaches threshold value (as>=2.5m/s), centnifugal force makes counterweight 30 and arm 31 open (shown in Figure 10 and 11), blocked by shelves post 33; Secondary lifting rope 28 no longer discharges, and realizes safety guard-safeguard.
Embodiment 2
The velocity limiter that the high-altitude suspension operation protective frame of embodiment 2 adopts is shown in Figure 12-17, and Figure 12 has shown that velocity limiter is positioned at the position on the support tube 4 of load frame 1, and is identical with the velocity limiter position among the embodiment 1.Velocity limiter is fixed on the support tube 4 through the second left deckle board 51 and the second right deckle board 52.
The structure of the velocity limiter of embodiment 2 is shown in figure 13; Comprise two sheaves 37, two low speed gears 38, a high speed gear 39, two slow-speed shafts 40, a high speed shaft 41, hub 42 and brake gear, two slow-speed shafts 40 are rotatably mounted on the second left deckle board 51 and the second right deckle board 52 with high speed shaft 41.One sheave 37 and a low speed gear 38 are fixed as one and rotate around a slow-speed shaft 40, and another sheave 37 is fixed as one with another low speed gear 38 and rotates around another slow-speed shaft 40, and high speed gear 39 meshes (referring to Figure 14) with low speed gear 38 between two low speed gears 38; High speed gear 39 is fixed on the high speed shaft 41; Hub 42 is fixed on the high speed shaft 41, and brake gear is fixed on the hub 42, and lifting rope 3 middle parts are on sheave 37; The axis of two slow-speed shafts 40 is not parallel, and is shown in figure 17.Lifting rope 3 upper ends are connected with building element, and sagging through the ring that is fixed on the support tube 4 of load frame 1 around n circle back in two sheaves, 37 outer rims, rear is dragged to ground, allow on the lifting rope 3 two at the most the people in the differing heights operation.
Velocity limiter also comprises friction shoe 43, friction ring 44, towing plate 45 and draft arm 46; Draft arm 46 is fixed on the hub 42; Vertical with high speed shaft 41; Friction shoe 43 is hinged through towing plate 45 with draft arm 46, has groove on the friction shoe 43, and friction ring 44 embeds the groove and friction shoe 43 frictional connectiones (referring to Figure 15) of friction shoe 43.Because high speed shaft 41 drives friction shoe 43, friction shoe 43 rubs with friction ring 44 under centrifugal action, consumes the kinetic energy that descends, and making descends keeps constant speed.This friction shoe 43 is identical with draft arm 21 with friction shoe 18, friction ring 19, the towing plate 20 of principle of work and embodiment 1 with the structure of friction ring 44 and towing plate 45 and draft arm 46.
Brake gear is identical with the brake gear of embodiment 1; Also comprise brake disc 47, brake spiral 48 and brake handle 49; Brake handle 49 is fixed on the brake spiral 48; Brake disc 47 is fixed on the hub 42, and when brake gear was in braking state, brake spiral 48 was pressed on brake disc 47 on the pad 50.Brake disc 47 is the brake disc of blade construction, and is shown in figure 16.Because sheave 37 is an one with low speed gear 38; Can rotate around slow-speed shaft 40, high speed shaft 41 is an one with high speed gear 41, high speed gear 39 and two low speed gear 38 engagements; Lifting rope 3 has enough big cornerite on two sheaves 37, make between lifting rope 3 and the sheave 37 non-slip.Load frame 1 must drive sheave 37 and rotate when descending, thereby low speed gear 38 is rotated, and then drives high speed gear 39, and hub 42 is fixed on the high speed shaft 41, and draft arm 46 is fixed on the hub 42, and friction shoe 43 is hinged through towing plate 45 with draft arm 46.Because the number of turns＞1 that lifting rope 3 is walked around on sheave 37; For guarantee a few lifting ropes 3 on sheave 37 in order flat around; Slow-speed shaft 40 α that must have angle with the normal of deckle board; Two slow-speed shafts 40 need inclined in opposite directions, and the size of angle does not take place to laminate each other and keep reasonable distance to be advisable with the two adjacent rings steel rope, and is shown in figure 17.
When operation began, because brake gear is in the state of often stopping, brake spiral 48 was pressed on brake disc 47 on the pad 50.On the brake disc 47 be the brake disc of blade construction, shown in figure 16.When need descending, the workman also needs brake handle 49 is lifted; Downwards, lifting rope 3 drives sheave and rotates load frame 1 under the effect of body weight, and high speed shaft 41 is rotated; Thereby drive friction shoe 43; Friction shoe 43 rubs with friction ring 44 under centrifugal action, consumes the kinetic energy that descends, and making descends keeps constant speed.
The high-altitude suspension operation protective frame of this embodiment can be provided with emergency stop too above the support tube 4 of load frame 1, the structure of emergency stop is identical with structure and the principle of work of embodiment 1, repeats no more at this.
The utility model can also have other variation; Know like those skilled in the art; The foregoing description only plays the exemplary role in the above-mentioned utility model protection scope; Concerning those of ordinary skills, in the protection domain that the utility model limited, also have a lot of conventional distortion and other embodiment, these distortion and instance all will be in the protection domains of the utility model claim.
Claims (10)
1. a high-altitude suspension operation protective frame is characterized in that, comprise load frame, safety strap, lifting rope and velocity limiter, velocity limiter is fixed on the load frame, and safety strap is fixed on the load frame, and lifting rope is on velocity limiter.
2. high-altitude according to claim 1 suspension operation protective frame is characterized in that said velocity limiter comprises capstan winch, main shaft, big gear wheel, miniature gears, high speed shaft, hub and brake gear; Main shaft is fixed on the capstan winch, and big gear wheel is fixed on the main shaft, miniature gears and big gear wheel engagement; High speed shaft and miniature gears one are also coaxial; Hub is fixed on the high speed shaft, and brake gear is fixed on the hub, and lifting rope is on capstan winch.
3. high-altitude according to claim 1 suspension operation protective frame; It is characterized in that said velocity limiter comprises two sheaves, two low speed gears, a high speed gear, two slow-speed shafts, a high speed shaft, hub and brake gear, a sheave and a low speed gear are fixed as one and rotate around a slow-speed shaft; Another sheave and another low speed gear are fixed as one and rotate around another slow-speed shaft; High speed gear meshes with low speed gear between two low speed gears, and high speed gear is fixed on the high speed shaft, and hub is fixed on the high speed shaft; Brake gear is fixed on the hub, and lifting rope is around two sheave outer rims.
4. according to claim 2 or 3 each described high-altitude suspension operation protective frame; It is characterized in that said velocity limiter also comprises friction shoe, friction ring, towing plate and draft arm, draft arm is fixed on the hub; Vertical with high speed shaft; Friction shoe and draft arm are hinged through towing plate, have groove on the friction shoe, and friction ring embeds the groove and the friction shoe frictional connection of friction shoe.
5. according to claim 2 or 3 each described high-altitude suspension operation protective frame; It is characterized in that; Said brake gear comprises brake disc, brake spiral and brake handle, and brake handle is fixed on the brake spiral, and brake disc is fixed on the hub; When brake gear was in braking state, the brake spiral compressed brake disc.
6. high-altitude according to claim 1 suspension operation protective frame is characterized in that, said high-altitude suspension operation protective frame also comprises emergency stop, and emergency stop is fixedly connected on the load frame through frame plate structure.
7. high-altitude according to claim 6 suspension operation protective frame; It is characterized in that said emergency stop comprises secondary lifting rope, secondary capstan winch, counterweight, arm, pivot, spring, bumping post and spacing ring, secondary lifting rope is on secondary capstan winch; One end of arm is enclosed within on the pivot and pivots; Counterweight is fixed on the other end of arm, and pivot is fixed on the card of secondary capstan winch one side, and spacing ring is arranged on the outer rim of pivot; Bumping post is fixed on the frame plate structure by pivot one side, and spring housing is being arranged on the pivot between arm and the secondary capstan winch card.
8. high-altitude according to claim 6 suspension operation protective frame is characterized in that said emergency stop also comprises recoil spring, and recoil spring is arranged on frame plate structure and load frame is fixedly coupled the place.
9. high-altitude according to claim 3 suspension operation protective frame is characterized in that the axis of two slow-speed shafts is not parallel.
10. high-altitude according to claim 5 suspension operation protective frame is characterized in that said brake disc is the brake disc of blade construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171245 CN202609891U (en) | 2012-04-20 | 2012-04-20 | Protection frame for high-altitude suspension work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171245 CN202609891U (en) | 2012-04-20 | 2012-04-20 | Protection frame for high-altitude suspension work |
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| CN202609891U true CN202609891U (en) | 2012-12-19 |
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| CN 201220171245 Expired - Fee Related CN202609891U (en) | 2012-04-20 | 2012-04-20 | Protection frame for high-altitude suspension work |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016244A (en) * | 2015-08-06 | 2015-11-04 | 滁州汽车与家电技术与装备研究院 | Gravity self-adaption elevator for LED television production line |
-
2012
- 2012-04-20 CN CN 201220171245 patent/CN202609891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016244A (en) * | 2015-08-06 | 2015-11-04 | 滁州汽车与家电技术与装备研究院 | Gravity self-adaption elevator for LED television production line |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20190420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |