CN115045487B - Lifting scaffold anti-falling braking device and protection method - Google Patents
Lifting scaffold anti-falling braking device and protection method Download PDFInfo
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- CN115045487B CN115045487B CN202210876036.0A CN202210876036A CN115045487B CN 115045487 B CN115045487 B CN 115045487B CN 202210876036 A CN202210876036 A CN 202210876036A CN 115045487 B CN115045487 B CN 115045487B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
- E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
- E04G5/142—Railings extensible or telescopic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an anti-falling braking device and a protection method for a lifting scaffold, comprising a frame, wherein the frame consists of universal wheels and a fixed plate, and the universal wheels are fixedly connected with the fixed plate, and the anti-falling braking device is characterized in that: the scaffold is characterized in that a supporting mechanism, a lifting mechanism, an anti-falling pushing mechanism, a braking mechanism and a protecting mechanism are arranged on the frame, the supporting mechanism comprises a supporting frame, the supporting frame is fixedly connected with a fixing plate, the fixing plate is connected with the lifting mechanism, the lifting mechanism comprises a steel wire rope and a lifting plate, the steel wire rope is fixedly connected with the lifting plate, a pulley is arranged between the lifting plate and the supporting mechanism, the lifting plate is connected with the anti-falling pushing mechanism, a sliding plate is arranged between the anti-falling pushing mechanism and the braking mechanism, and a sliding groove plate is arranged between the braking mechanism and the protecting mechanism.
Description
Technical Field
The invention relates to the field of building construction, in particular to an anti-falling braking device and a protection method for a lifting scaffold.
Background
The scaffold is various supports that make constructor set up in order to let construction site convenient construction, be applied to the building site on the outer wall generally, interior decoration or layer height are higher can't direct construction's place, mainly in order that constructor can operate from top to bottom, because need high altitude construction, the lift mode of general scaffold all needs power drive, and scaffold rail guard height is less than waist, just so can not influence constructor to operate, like prior art CN110778088A discloses a lift-type scaffold, the device can not carry out emergency braking to the scaffold when breaking down motor or wire rope, can cause casualties to personnel because of gravity after falling, and the device can't improve rail guard height when falling, consequently, the scaffold even when falling in low department, constructor also can fall out the scaffold because of falling and cause the focus unstability to drop out the scaffold and cause the injury.
Disclosure of Invention
The invention aims at the problems, and provides a lifting scaffold anti-falling braking device and a protection method, which solve the problems that when a scaffold is used at present, a scaffold falls due to the problems of broken steel wire ropes or motor faults and constructors fall due to vibration caused during falling braking.
The technical scheme who solves above-mentioned technical problem adoption is a lift-type scaffold anti-falling arresting gear, including the frame, the frame comprises universal wheel and fixed plate, universal wheel and fixed plate fixed connection, its characterized in that: the anti-falling device is characterized in that a supporting mechanism, a lifting mechanism, an anti-falling pushing mechanism, a braking mechanism and a protecting mechanism are arranged on the frame, the supporting mechanism comprises a supporting frame, the supporting frame is fixedly connected with a fixed plate, the fixed plate is connected with the lifting mechanism, the lifting mechanism comprises a steel wire rope and a lifting plate, the steel wire rope is fixedly connected with the lifting plate, a pulley is arranged between the lifting plate and the supporting mechanism, the lifting plate is connected with the anti-falling pushing mechanism, a sliding plate is arranged between the anti-falling pushing mechanism and the braking mechanism, and a sliding groove plate is arranged between the braking mechanism and the protecting mechanism.
Further, the lifting mechanism mainly comprises: connecting plate I, a motor, pay-off reel I, the belt pulley, straight tooth I, straight tooth II, pay-off reel II and backup pad are constituteed, connecting plate I and fixed plate fixed connection, motor rotation is installed on connecting plate I, pay-off reel I and motor fixed connection, the belt pulley rotates and installs on pay-off reel I, straight tooth I rotates and installs on connecting plate I, straight tooth I rotates with the belt pulley to be connected, straight tooth II rotates and installs on connecting plate I, straight tooth II and straight tooth I meshing, pay-off reel II fixed mounting is on straight tooth II, backup pad and lifter plate fixed connection.
Further, the supporting mechanism mainly comprises: the support rod and the R angle plate are formed, the support rod is fixedly connected with the support frame, the R angle plate is fixedly connected with the support rod, and the R angle plate is in sliding fit with the steel wire rope.
Further, the anti-falling pushing mechanism mainly comprises: connecting plate II, reducing pipeline, the brake housing, the transfer case, connecting line I, connecting line II, the push pedal, the limiting plate, connecting rod and spring I constitute, connecting plate II fixed mounting is in the backup pad, reducing pipeline fixed mounting is on connecting plate II, brake housing fixed mounting is on the lifter plate, transfer case fixed mounting is on the brake housing, connecting line I both ends respectively with reducing pipeline and transfer case fixed connection, connecting line II both ends respectively with brake housing and transfer case fixed connection, push pedal and brake housing sliding fit, limiting plate fixed mounting is on the brake housing, connecting rod and limiting plate sliding fit, connecting rod and push pedal fixed connection, spring I installs on the connecting rod.
Further, the braking mechanism mainly comprises: connecting plate III, spring hold up pole, spring II and braking board and constitute, connecting plate III and push pedal fixed connection, and spring hold up the pole and pass sliding plate and connecting plate III fixed connection, spring II installs on spring hold up the pole, and braking board fixed mounting is on the sliding plate.
Further, the protection mechanism mainly comprises: stop lever, fixed frid, spout I, slide bar, locking groove, spring III and connecting plate IV constitute, stop lever and frid sliding fit, fixed frid and brake housing fixed connection are equipped with spout I on the fixed frid, spout I and gag lever post sliding fit, slide bar slidable mounting is equipped with the locking groove in the backup pad on the slide bar, spring III rotates to be installed on the slide bar, connecting plate IV and slide bar fixed connection, guard plate and connecting plate IV fixed connection, slider and guard plate fixed connection.
Further, the supporting mechanism further comprises: the support frame is provided with a plurality of groups of braking grooves, and the braking grooves are provided with a straight braking surface and a reset inclined surface.
Further, the elevating mechanism further comprises: the rotating shaft is rotatably installed on the supporting plate, the rotating shaft is fixedly installed on the pulley, the lifting plate is provided with the sliding groove II, and the sliding groove II is in sliding fit with the sliding block.
Further, the anti-falling pushing mechanism further comprises: the brake channel is arranged on the brake box, and the brake plate can penetrate through the brake channel and be inserted into the brake groove to brake.
The protection method of the falling prevention braking device of the lifting scaffold comprises the following specific protection steps of:
step one: when the steel wire rope is broken or the motor fails, the lifting plate rapidly drops, and when the lifting plate drops, the reducing pipeline is driven to synchronously drop;
step two: when the reducing pipeline rapidly drops, air rapidly enters the reducing pipeline and enters the conversion box through the connecting pipeline I, gas in the conversion box enters the brake box through the connecting pipeline II, the entering gas pushes the push plate to move in the brake box, and when the push plate moves, the sliding plate is driven to synchronously move, and when the sliding plate moves, the brake plate is driven to move;
step three: when the gas pushes the push plate and enables the brake plate to overlap with the brake channel, the limit plate enables the brake plate to stop moving, at the moment, the brake plate is pushed out due to the relationship of the spring II, the brake plate passes through the brake channel and enters the brake groove, and the lifting plate can stop falling when the brake groove is contacted with the straight brake surface;
step four: when the push plate moves through air pushing, the sliding groove plate can be driven to synchronously move, the sliding groove plate slides on the limiting rod when moving, when the braking plate is pushed out, the braking plate moves the limiting rod to slide in the sliding groove I through the sliding groove plate, the limiting rod moves to be in contact with limiting of the locking groove, at the moment, the spring III contracts to drive the connecting plate IV and the protection plate to move, the protection plate can protect an operator after moving, and the operator is prevented from falling caused by vibration generated when the lifting plate stops falling.
Compared with the prior art, the invention has the beneficial effects that:
the invention can carry out emergency falling prevention braking when the motor fails or the steel wire rope breaks due to power failure in the use process of the scaffold, and can automatically heighten the guard rail around the scaffold while braking, thereby preventing the constructors from falling out of the scaffold due to unstable gravity centers caused by vibration generated after the emergency braking of the scaffold or rapid falling.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 and 3 are schematic views of the lifting mechanism of the present invention.
Fig. 4 and 5 are schematic structural views of the anti-falling pushing mechanism of the present invention.
Fig. 6 and 7 are schematic structural views of a brake mechanism according to the present invention.
Fig. 8 is a schematic structural view of a protection mechanism of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
101-universal wheels; 102-a fixed plate; 103-supporting frames; 104-a steel wire rope; 105-lifting plate; 106-pulley; 107-sliding plate; 108-a chute plate; 109-supporting rods; 110-R corner plates; 111-connecting plate I; 112-an electric motor; 113-pay-off reel I; 114-a pulley; 115-straight tooth I; 116-straight tooth II; 117-pay-off reel II; 118-a support plate; 119-connecting plate II; 120-reducing pipeline; 121-a brake box; 122-a transfer box; 123-connecting line I; 124-connecting line II; 125-pushing plate; 126-limiting plates; 127-connecting rod; 128-spring I; 129-connecting plate III; 130-spring rails; 131-spring II; 132-a brake plate; 133-a stop lever; 134-fixed slot plate; 135-chute I; 136-slide bar; 137-locking groove; 138-spring III; 139-connecting plate IV; 140-guard plates; 141-a slider; 142-a brake groove; 143-straight braking surface; 144-reset ramp; 145-a spindle; 146-chute II; 147-brake channel.
Detailed Description
In order that the objects and advantages of the invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that the following text is only intended to describe one or more specific embodiments of the invention and is not intended to limit the scope of the invention as defined in the appended claims.
Referring to the drawings, the invention relates to a lifting scaffold anti-falling braking device, which comprises a frame, wherein the frame consists of a universal wheel 101 and a fixed plate 102, the universal wheel 101 is fixedly connected with the fixed plate 102, a supporting mechanism, a lifting mechanism, an anti-falling pushing mechanism, a braking mechanism and a protection mechanism are arranged on the frame, the supporting mechanism comprises a supporting frame 103, the supporting frame 103 is fixedly connected with the fixed plate 102, the fixed plate 102 is connected with the lifting mechanism, the lifting mechanism comprises a steel wire rope 104 and a lifting plate 105, the steel wire rope 104 is fixedly connected with the lifting plate 105, a pulley 106 is arranged between the lifting plate 105 and the supporting mechanism, the lifting plate 105 is connected with the anti-falling pushing mechanism, a sliding plate 107 is arranged between the anti-falling pushing mechanism and the braking mechanism, and a chute plate 108 is arranged between the braking mechanism and the protection mechanism.
Specifically, the lifting mechanism mainly comprises: connecting plate I111, motor 112, pay-off reel I113, belt pulley 114, straight-tooth I115, straight-tooth II116, pay-off reel II117 and backup pad 118 are constituteed, connecting plate I111 and fixed plate 102 fixed connection, motor 112 rotates to be installed on connecting plate I111, pay-off reel I113 and motor 112 fixed connection, belt pulley 114 rotates to be installed on pay-off reel I113, straight-tooth I115 rotates to be installed on connecting plate I111, straight-tooth I115 rotates to be connected with belt pulley 114, straight-tooth II116 rotates to be installed on connecting plate I111, straight-tooth II116 meshes with straight-tooth I115, pay-off reel II117 is fixed to be installed on straight-tooth II116, backup pad 118 and lifter 105 fixed connection.
Specifically, the supporting mechanism mainly comprises: the support rod 109 and the R angle plate 110 are formed, the support rod 109 is fixedly connected with the support frame 103, the R angle plate 110 is fixedly connected with the support rod 109, and the R angle plate 110 is in sliding fit with the steel wire rope 104.
Specifically, the anti-falling pushing mechanism mainly comprises: connecting plate II119, reducing pipeline 120, brake box 121, transfer case 122, connecting line I123, connecting line II124, push pedal 125, limiting plate 126, connecting rod 127 and spring I128 are constituteed, connecting plate II119 fixed mounting is on backup pad 118, reducing pipeline 120 fixed mounting is on connecting plate II119, brake box 121 fixed mounting is on lifter plate 105, transfer case 122 fixed mounting is on brake box 121, connecting line I123 both ends respectively with reducing pipeline 120 and transfer case 122 fixed connection, connecting line II124 both ends respectively with brake box 121 and transfer case 122 fixed connection, push pedal 125 and brake box 121 sliding fit, limiting plate 126 fixed mounting is on brake box 121, connecting rod 127 and limiting plate 126 sliding fit, connecting rod 127 and push pedal 125 fixed connection, spring I128 is installed on connecting rod 127.
Specifically, the braking mechanism mainly comprises: connecting plate III129, spring rest 130, spring II131 and braking board 132 are constituteed, connecting plate III129 and push pedal 125 fixed connection, spring rest 130 pass slide plate 107 and connecting plate III129 fixed connection, and spring II131 is installed on spring rest 130, and braking board 132 fixed mounting is on slide plate 107.
Specifically, the protection mechanism mainly comprises: stop lever 133, fixed slot board 134, spout I135, slide bar 136, locking groove 137, spring III138 and connecting plate IV139 are constituteed, stop lever 133 and slip slot board 108 sliding fit, fixed slot board 134 and brake housing 121 fixed connection are equipped with spout I135 on the fixed slot board 134, spout I135 and stop lever 133 sliding fit, slide bar 136 slidable mounting is on backup pad 118, be equipped with locking groove 137 on the slide bar 136, spring III138 rotates to be installed on slide bar 136, connecting plate IV139 and slide bar 136 fixed connection, guard plate 140 and connecting plate IV139 fixed connection, slider 141 and guard plate 140 fixed connection.
Specifically, the supporting mechanism further includes: the support frame 103 is provided with a plurality of groups of braking grooves 142, a straight braking surface 143 and a reset inclined surface 144, and the braking grooves 142 are provided with the straight braking surface 143 and the reset inclined surface 144. Specifically, elevating system still includes: the rotating shaft 145 is rotatably mounted on the supporting plate 118, the rotating shaft 145 is fixedly mounted on the pulley 106, the lifting plate 105 is provided with the sliding groove II146, and the sliding groove II146 is in sliding fit with the sliding block 141.
Specifically, the anti-falling pushing mechanism further comprises: the brake channel 147 is arranged on the brake box 121, and the brake plate 132 can pass through the brake channel 147 and be inserted into the brake groove 142 to brake.
The protection method of the falling prevention braking device of the lifting scaffold comprises the following specific protection steps of:
step 1: when the steel wire rope 104 is broken or the motor 112 fails, the lifting plate 105 drops rapidly, and when the lifting plate 105 drops, the reducing pipeline 120 is driven to drop synchronously;
step 2: when the reducer pipeline 120 drops rapidly, air rapidly enters the reducer pipeline 120 and enters the conversion box 122 through the connecting pipeline I123, gas of the conversion box 122 enters the brake box 121 through the connecting pipeline II124, the entering gas pushes the push plate 125 to move in the brake box 121, when the push plate 125 moves, the sliding plate 107 is driven to synchronously move, and when the sliding plate 107 moves, the brake plate 132 is driven to move;
step 3: when the gas pushes the push plate 125 and makes the brake plate 132 and the brake channel 147 overlap, the stop plate 126 stops moving the brake plate 132, at this time, the brake plate 132 is pushed out due to the relationship of the spring II131, the brake plate 132 passes through the brake channel 147 and enters the brake groove 142, and the brake groove 142 and the straight brake surface 143 contact to stop the lifting plate 105 from falling;
step 4: when the push plate 125 moves through air pushing, the chute plate 108 can be driven to synchronously move, the chute plate 108 slides on the limiting rod 133 when moving, when the brake plate 132 is pushed out, the brake plate 132 moves and can drive the limiting rod 133 to slide in the chute I135 through the chute plate 108, the limiting rod 133 contacts the limiting of the locking groove 137 when moving, at the moment, the spring III138 contracts to drive the connecting plate IV139 and the protection plate 140 to move, the protection plate 140 can protect operators after moving, and the operators are prevented from falling caused by vibration generated in the moment that the lifting plate 105 stops falling.
In carrying out the invention: the motor 112 runs and drives the belt pulley 114 to drive through the pay-off reel I113, the belt pulley 114 drives the straight-tooth II116 to drive through the straight-tooth I115, the straight-tooth II116 drives the pay-off reel II117 to rotate, the lifting plate 105 is driven to lift through the steel wire rope 104 to move when the pay-off reel I113 and the pay-off reel II117 rotate, the lifting plate 105 moves to drive the supporting plate 118 to synchronously move, the rotating shaft 145 is driven to synchronously move when the supporting plate 118 moves, and the pulley 106 slides on the supporting frame 103 when the rotating shaft 145 moves.
When the steel wire rope 104 breaks or the motor 112 fails, the lifting plate 105 drops rapidly, the reducing pipeline 120 is driven to drop synchronously when the lifting plate 105 drops, at the moment, air enters the reducing pipeline 120 rapidly and enters the conversion box 122 through the connecting pipeline I123, the gas of the conversion box 122 enters the brake box 121 through the connecting pipeline II124, the entering gas pushes the push plate 125 to move in the brake box 121, the push plate 125 drives the sliding plate 107 to synchronously move when the push plate 125 moves, the sliding plate 107 drives the brake plate 132 to move when the sliding plate 107 moves, the brake plate 132 stops moving when the gas pushes the push plate 125 and the brake plate 132 is overlapped with the brake channel 147, at the moment, the brake plate 132 is pushed out due to the relation of the spring II131, the brake plate 132 passes through the brake channel 147 and enters the brake groove 142, and the lifting plate 105 stops falling when the brake groove 142 is contacted with the straight brake surface 143.
When push plate 125 passes through the air pushing and removes, can drive the draw runner plate 108 and carry out synchronous movement, slide on gag lever post 133 when draw runner plate 108 removes, when brake block 132 is released, brake block 132 removes accessible draw runner plate 108 and drives gag lever post 133 and slide in spout I135, the spacing of locking groove 137 is contacted when gag lever post 133 removes, spring III138 shrink can drive connecting plate IV139 and guard plate 140 and remove this moment, guard plate 140 removes the back and can protect constructor, prevent that constructor from stopping the vibrations that produce in the twinkling of an eye that falls at lifter plate 105 from causing the staff to fall.
When the faults of the steel wire rope 104 and the motor 112 are repaired, the motor 112 rotates to drive the lifting plate 105 to move upwards, the sliding groove plate 108 can drive the braking plate 132 to move when the lifting plate 105 moves, the braking plate 132 is pushed downwards after the sliding groove plate 108 contacts with the supporting rod 109, the braking plate 132 is pushed downwards, meanwhile, the braking plate 132 moves laterally due to the inclined plane of the braking plate 132 and the relation of the braking channel 147, the braking plate 132 can reset when the braking plate 132 moves laterally, the locking groove 137 can be driven to move synchronously when the lifting plate 105 moves, and the locking groove 137 is pushed downwards after contacting with the supporting rod 109 and resets the locking groove 137.
Claims (5)
1. The utility model provides a lift scaffold prevents weighing down arresting gear, includes the frame, and the frame comprises universal wheel (101) and fixed plate (102), universal wheel (101) and fixed plate (102) fixed connection, its characterized in that: be equipped with supporting mechanism, elevating system, anti-falling pushing mechanism, brake mechanism and protection machanism in the frame, supporting mechanism contains support frame (103), support frame (103) and fixed plate (102) fixed connection, fixed plate (102) are connected with elevating system, elevating system contains wire rope (104) and lifter plate (105), wire rope (104) and lifter plate (105) fixed connection, be provided with pulley (106) between lifter plate (105) and the supporting mechanism, lifter plate (105) are connected with anti-falling pushing mechanism, be provided with sliding plate (107) between anti-falling pushing mechanism and the brake mechanism, be provided with sliding tray (108) between brake mechanism and the protection machanism, anti-falling pushing mechanism mainly by: connecting plate II (119), reducing pipeline (120), brake box (121), transfer case (122), connecting line I (123), connecting line II (124), push pedal (125), limiting plate (126), connecting rod (127) and spring I (128) are constituteed, connecting plate II (119) fixed mounting is on backup pad (118), reducing pipeline (120) fixed mounting is on connecting plate II (119), brake box (121) fixed mounting is on lifter plate (105), transfer case (122) fixed mounting is on brake box (121), connecting line I (123) both ends respectively with reducing pipeline (120) and transfer case (122) fixed connection, connecting line II (124) both ends respectively with brake box (121) and transfer case (122) fixed connection, push pedal (125) and brake box (121) sliding fit, on limiting plate (126) fixed mounting brake box (121), connecting rod (127) and limiting plate (126) sliding fit, connecting rod (127) and push pedal (125) fixed connection, spring I (128) are installed on connecting rod (127) mainly by brake mechanism: connecting plate III (129), spring rest (130), spring II (131) and braking board (132) are constituteed, connecting plate III (129) and push pedal (125) fixed connection, spring rest (130) pass slide plate (107) and connecting plate III (129) fixed connection, spring II (131) are installed on spring rest (130), braking board (132) fixed mounting is on slide plate (107), protection machanism mainly comprises: stop lever (133), fixed slot board (134), spout I (135), slide bar (136), locking groove (137), spring III (138) and connecting plate IV (139) are constituteed, stop lever (133) and slip slot board (108) sliding fit, fixed slot board (134) and brake box (121) fixed connection, be equipped with spout I (135) on fixed slot board (134), spout I (135) and stop lever (133) sliding fit, slide bar (136) slidable mounting is on backup pad (118), be equipped with locking groove (137) on slide bar (136), spring III (138) rotate and install on slide bar (136), connecting plate IV (139) and slide bar (136) fixed connection, guard plate (140) and connecting plate IV (139) fixed connection, slider (141) and guard plate (140) fixed connection, supporting mechanism still includes: braking groove (142), straight braking face (143) and inclined plane (144) reset, be equipped with multiunit braking groove (142) on support frame (103), be equipped with straight braking face (143) and inclined plane (144) reset on braking groove (142), prevent weighing down pushing mechanism still includes: and the brake channel (147) is arranged on the brake box (121), and the brake plate (132) can penetrate through the brake channel (147) and be inserted into the brake groove (142) to brake.
2. The lifting scaffold anti-falling braking device according to claim 1, wherein: the lifting mechanism mainly comprises: connecting plate I (111), motor (112), pay off reel I (113), belt pulley (114), straight tooth I (115), straight tooth II (116), pay off reel II (117) and backup pad (118) are constituteed, connecting plate I (111) and fixed plate (102) fixed connection, motor (112) rotate and install on connecting plate I (111), pay off reel I (113) and motor (112) fixed connection, belt pulley (114) rotate and install on pay off reel I (113), straight tooth I (115) rotate and install on connecting plate I (111), straight tooth I (115) rotate with belt pulley (114) to be connected, straight tooth II (116) rotate and install on connecting plate I (111), straight tooth II (116) mesh with straight tooth I (115), pay off reel II (117) fixed mounting is on straight tooth II (116), backup pad (118) and lifter plate (105) fixed connection.
3. The lifting scaffold anti-falling braking device according to claim 1, wherein: the supporting mechanism mainly comprises: the support rod (109) and the R angle plate (110) are formed, the support rod (109) is fixedly connected with the support frame (103), the R angle plate (110) is fixedly connected with the support rod (109), and the R angle plate (110) is in sliding fit with the steel wire rope (104).
4. The lifting scaffold anti-falling braking device according to claim 1, wherein: the lifting mechanism further comprises: the rotating shaft (145) and the sliding groove II (146), the rotating shaft (145) is rotatably arranged on the supporting plate (118), the rotating shaft (145) is fixedly arranged on the pulley (106), the lifting plate (105) is provided with the sliding groove II (146), and the sliding groove II (146) is in sliding fit with the sliding block (141).
5. A protection method for a lifting scaffold anti-falling braking device, which is applicable to the lifting scaffold anti-falling braking device according to any one of claims 1-4, and is characterized in that: the specific protection steps are as follows:
step 1: when the steel wire rope (104) is broken or the motor (112) fails, the lifting plate (105) rapidly drops, and when the lifting plate (105) drops, the reducing pipeline (120) is driven to synchronously drop;
step 2: when the reducing pipeline (120) rapidly drops, air rapidly enters the reducing pipeline (120) and enters the conversion box (122) through the connecting pipeline I (123), gas of the conversion box (122) enters the brake box (121) through the connecting pipeline II (124), the entering gas pushes the push plate (125) to move in the brake box (121), and when the push plate (125) moves, the sliding plate (107) is driven to synchronously move, and when the sliding plate (107) moves, the brake plate (132) is driven to move;
step 3: when the gas pushes the push plate (125) and enables the brake plate (132) and the brake channel (147) to be overlapped, the limit plate (126) enables the brake plate (132) to stop moving, at the moment, the brake plate (132) is pushed out due to the relationship of the spring II (131), the brake plate (132) passes through the brake channel (147) and enters the brake groove (142), and the lifting plate (105) can stop falling when the brake groove (142) and the straight brake surface (143) are contacted;
step 4: when push pedal (125) are through air pushing removal, can drive draw runner plate (108) and carry out synchronous movement, slide on gag lever post (133) when draw runner plate (108) are removed, when brake block (132) are released, brake block (132) remove accessible draw runner plate (108) drive gag lever post (133) and slide in spout I (135), the spacing of contact pair locking groove (137) when gag lever post (133) remove, spring III (138) shrink can drive connecting plate IV (139) and guard plate (140) and remove this moment, guard plate (140) remove the back and can protect operating personnel, prevent that operating personnel from stopping falling at the vibrations that produce in the twinkling of an eye of lifting plate (105) from causing the staff's fall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210876036.0A CN115045487B (en) | 2022-07-22 | 2022-07-22 | Lifting scaffold anti-falling braking device and protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210876036.0A CN115045487B (en) | 2022-07-22 | 2022-07-22 | Lifting scaffold anti-falling braking device and protection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115045487A CN115045487A (en) | 2022-09-13 |
| CN115045487B true CN115045487B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210876036.0A Active CN115045487B (en) | 2022-07-22 | 2022-07-22 | Lifting scaffold anti-falling braking device and protection method |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6015028A (en) * | 1997-05-14 | 2000-01-18 | Smith; Andrew C. | Pump jack hoisting apparatus including a safety railing for protecting workers from accidental falling |
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