CN110040660B - Lifting anti-falling mechanism and stacker - Google Patents
Lifting anti-falling mechanism and stacker Download PDFInfo
- Publication number
- CN110040660B CN110040660B CN201910202033.7A CN201910202033A CN110040660B CN 110040660 B CN110040660 B CN 110040660B CN 201910202033 A CN201910202033 A CN 201910202033A CN 110040660 B CN110040660 B CN 110040660B
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- roller
- lever assembly
- lever
- wire rope
- steel wire
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- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention discloses a lifting anti-falling mechanism and a stacker, which comprise a portal frame comprising upright posts, a cargo cage device which moves up and down on the portal frame, a first steel wire rope and a second steel wire rope, wherein the first steel wire rope is connected with the cargo cage device; the two sides of the cargo cage device are provided with inclined lock seats, a first lever assembly, a second roller and a third roller, and a fourth roller above the third roller and the second lever assembly; a clasping wedge block for locking the upright post is movably arranged on the inclined lock seat; the upper part of the portal frame is provided with a first roller, and the lower part of the portal frame is provided with a speed limiter; two ends of the first steel wire rope are fixed on the first lever assembly and bypass the first roller and the speed limiter to form a closed loop; one end of the second steel wire rope is fixed on the first lever assembly, and the other ends of the second, third and fourth rollers are fixed on the second lever assembly; the lever ends of the first lever assembly and the second lever assembly are respectively provided with an ejector rod for jacking up the holding wedge block. The invention has simple structure, stable and reliable operation, better safety effect and low manufacturing cost.
Description
[ Field of technology ]
The invention belongs to the technical field of lifting protection mechanisms, and particularly relates to a lifting anti-falling mechanism and a stacker.
[ Background Art ]
At present, most elevator anti-falling safety devices in the prior art adopt an electromagnet brake or mechanical car-killing structure, for example, patent application number CN201720309058.3 discloses a stacker anti-falling mechanism, and anti-falling effects are realized by locking anti-falling angle irons through left and right fool wheels; also, patent application number 201410197478.8 discloses a stacker anti-falling device, which adopts an encoder to detect the falling speed of a lifting platform in real time, and transmits an abnormal falling speed signal of the lifting platform to a hydraulic cylinder when a steel wire rope is broken, and then utilizes the upward thrust of the hydraulic cylinder to enable an anti-falling cylinder to move upwards, so that an anti-falling oblique block, the anti-falling cylinder and an upright post are locked together. In the prior art, although the electromagnet brake anti-falling device has the advantage of sensitive action, once the power supply fails or a power supply circuit goes wrong due to the fact that electricity is needed in working, the electromagnet brake of the anti-falling device loses the anti-falling effect, and in addition, the existing electromagnet anti-falling safety device has the defects of complex control circuit, difficult maintenance and high manufacturing and running costs; the prior mechanical anti-falling device has the defects of complex structure and high manufacturing cost.
Therefore, it is necessary to provide a new lifting and falling prevention mechanism and a stacker to solve the above-mentioned problems.
[ Invention ]
The invention mainly aims to provide the lifting anti-falling mechanism and the stacker, which have the advantages of simple structure, stable and reliable operation, better safety effect and low manufacturing cost.
The invention realizes the aim through the following technical scheme: a lifting anti-falling mechanism and a stacker comprise a portal frame comprising upright posts, a cargo cage device moving up and down on the portal frame, a first steel wire rope and a second steel wire rope; inclined lock seats positioned at two sides of the upright post are arranged at two sides of the cargo cage device, and a clasping wedge block which clasps the upright post from two sides of the upright post when the upright post is acted on by upward force is movably arranged on the inclined lock seats; the two sides of the cargo cage device are also provided with a first lever assembly and a second lever assembly, the upper part of the portal frame is provided with a first roller, the lower part of the portal frame is provided with a speed limiter, and the cargo cage device is provided with a second roller and a third roller which are positioned at the two sides and a fourth roller which is positioned above the third roller and the second lever assembly; both ends of the first steel wire rope are fixed on the first lever assembly and bypass the first roller and the speed limiter to form a closed loop; one end of the second steel wire rope is fixed on the first lever assembly, the second roller, the third roller and the fourth roller are bypassed, and the other end of the second steel wire rope is fixed on the second lever assembly; the lever ends of the first lever assembly and the second lever assembly are respectively provided with an ejector rod which can jack up the holding wedge block upwards when the first lever assembly and the second lever assembly are lifted upwards.
Further, the second roller is arranged below the first lever assembly, and the third roller is arranged below the second lever assembly.
Further, the portal frame comprises a top beam arranged on the upper portion of the upright post and a bottom beam arranged on the lower portion of the upright post.
Further, the two sides of the cargo cage device are further provided with anti-falling leaning wheel assemblies, each anti-falling leaning wheel assembly comprises a first mounting seat, a first leaning wheel arranged on the first mounting seat and leaning against the inner side surface of the upright post, a rotating shaft rotatably erected on the first mounting seat, and connecting plates fixed at two ends of the rotating shaft, and the ejector rods are fixed at two ends of the connecting plates and aligned with the clamping wedge blocks.
Further, a second leaning wheel leaning against the side surface of the upright post is arranged on the inclined plane lock seat, and the second leaning wheel is arranged on the inclined plane lock seat through an eccentric shaft.
Further, an inclined chute is arranged in the inclined lock seat, and the holding wedge block is vertically and movably arranged in the inclined chute.
Further, the first lever component and the second lever component have the same structure and comprise a second mounting seat and levers, one ends of the levers are hinged to the second mounting seat, and the other ends of the levers are propped against the lower surface of the connecting plate.
Further, one side of the lever, which is close to the hinge point, is pulled downwards through the first elastic piece, the other end of the lever is pulled upwards through the second elastic piece, the other end of the first elastic piece is connected to the second mounting seat, and the other end of the second elastic piece is connected with the connecting plate.
Another main object of the present invention is to provide a stacker based on the lifting and falling preventing mechanism.
Compared with the prior art, the lifting anti-falling mechanism and the stacker have the beneficial effects that: simple structure, stable and reliable operation, reduced cost, convenient disassembly and convenient maintenance, has the functions of speed measurement and speed limitation, and can play a role in protecting overspeed caused by any faults of the stacker, thereby having better safety effect.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a cargo cage device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the anti-falling principle in the embodiment of the present invention;
the figures represent the numbers:
100 stacker;
1, a portal frame; 2, a cargo cage device; 3, a first steel wire rope; 4, a second steel wire rope; 5, an inclined plane lock base; 6, clasping the wedge blocks; a first lever assembly; 8 a second lever assembly; 9, a first roller; 10, a speed limiter; 11a second roller; 12 third roller; 13 fourth roller; 14, a push rod; 15 upright posts; 16 top beams; 17 bottom beams; 18. an anti-falling leaning wheel assembly; 19 a first mount; 20 a first leaning wheel; a 21-axis rotation; 22 connecting plates; a second leaning wheel 23; 24 eccentric shafts; 25a second mount; a 26 lever; a first elastic member 27; 28 a second elastic member; 29 ground rails; 30 walking rollers; 31a driving member; 32 limit rollers; 33 weight blocks.
[ Detailed description ] of the invention
Examples:
Referring to fig. 1-3, the embodiment is a lifting anti-falling mechanism, which comprises a portal frame 1, a cargo cage device 2 moving up and down on the portal frame 1, a first steel wire rope 3 and a second steel wire rope 4, wherein the portal frame 1 comprises two upright posts 15, two pairs of inclined lock seats 5 positioned at two sides of the upright posts 15 are arranged at two sides of the cargo cage device 2, a holding wedge block 6 which holds the upright posts 15 from two sides of the upright posts 15 when being acted by upward force is movably arranged on the inclined lock seats 5, a first lever component 7 and a second lever component 8 are further arranged at two sides of the cargo cage device 2, a first roller 9 and a speed limiter 10 are arranged at the upper part of the portal frame 1, a second roller 11 and a third roller 12 positioned at two sides are arranged at the lower part of the cargo cage device 2, a fourth roller 13 positioned above the third roller 12 and the second lever component 8, two ends of the first steel wire rope 3 are both fixed on the first lever component 7 and bypass the first roller 9 and the speed limiter 10 to form a closed loop, one end of the second steel wire rope 4 is fixed on the first lever component 7, the second roller 11 and the second roller component is lifted up by the second lever component 7 and the second roller component is wound around the second lever component 11 and the fourth roller component 11 and the second roller component is lifted up by the second roller component and the second roller component is arranged on the second roller component 8.
The second roller 11 is arranged below the first lever assembly 7 and the third roller 12 is arranged below the second lever assembly 8.
The portal frame 1 comprises a top beam 16 arranged at the upper part of the upright 15 and a bottom beam 17 arranged at the lower part of the upright 15.
The speed limiter 10 is locked to a weight 33 by screws, and the weight 33 is fixed to the bottom beam 17.
The two sides of the cargo cage device 2 are also provided with anti-falling leaning wheel assemblies 18, each anti-falling leaning wheel assembly 18 comprises a first mounting seat 19, a first leaning wheel 20 arranged on the first mounting seat 19 and leaning against the inner side surface of the upright post 15, a rotating shaft 21 rotatably erected on the first mounting seat 19, connecting plates 22 fixed at two ends of the rotating shaft 21, and ejector rods 14 are fixed at two ends of the connecting plates 22 and are aligned with the holding wedge blocks 6.
The inclined lock seat 5 is provided with four pairs, one pair being provided on both sides of one of the upright posts 15, and the other pair being provided on both sides of the other upright post 15. The inclined lock seat 5 is provided with a second leaning wheel 23 leaning against the side surface of the upright post 15, and the second leaning wheel 23 is arranged on the inclined lock seat 5 through an eccentric shaft 24. An inclined chute is arranged in the inclined lock seat 5, and the holding wedge block 6 is vertically movably arranged in the inclined chute.
The first lever assembly 7 and the second lever assembly 8 are basically identical in structure and each comprise a second mounting seat 25 and a lever 26 with one end hinged to the second mounting seat 25, and the other end of the lever 26 abuts against the lower surface of the connecting plate 22. One side of the lever 26 close to the hinge point is pulled downwards through a first elastic piece 27, the other end of the lever is pulled upwards through a second elastic piece 28, the other end of the first elastic piece 27 is connected to the second mounting seat 25, and the other end of the second elastic piece 28 is connected with the connecting plate 22.
The present embodiment further provides a stacker 100, which includes the lifting anti-falling mechanism, a ground rail 29, a walking roller 30 disposed on the bottom beam 17 and moving on the ground rail 29, a driving member 31 for driving the walking roller 30 to rotate, and limiting rollers 32 disposed on the bottom beam 17 and abutting against two side surfaces of the ground rail 29.
When the cargo cage device 2 is working normally, the speed limiter 10 and the first wire rope 3 rotate at a rated speed. In the event of an accident, the cargo cage device 2 drops rapidly, the speed exceeds the rated speed of the speed limiter 10, and the speed limiter 10 is triggered. Due to the effect of centrifugal force, the speed limiter 10 stops rotating, the first steel wire rope 3 also stops rotating, the cargo cage device 2 drops, the first steel wire rope 3 pulls the lever 26 in the first lever assembly 7 to rotate upwards around the hinging point, the movable end of the lever 26 lifts the connecting plate 22 in the anti-falling leaning wheel assembly 18 upwards, the connecting plate 22 turns upwards around the rotating shaft 21 and rotates with the rotating shaft 21, at the moment, the connecting plate 22 fixed at the other end of the rotating shaft 21 is driven to turn upwards, the ejector rods 14 on the two connecting plates 22 are lifted upwards, and a pair of locking wedge blocks 6 on one side of the cargo cage device 2 simultaneously move upwards to lock the upright post 15; meanwhile, as the lever 26 in the first lever assembly 7 moves upwards, the second steel wire rope 4 is fixed at one end of the first lever assembly 7 and pulled upwards, the lever 26 in the second lever assembly 8 is lifted upwards after bypassing the second roller 11, the third roller 12 and the fourth roller 13, the pair of holding wedge blocks 6 at the other side of the cargo cage device 2 simultaneously move upwards to lock the upright post 15, and the four holding wedge blocks 6 simultaneously lock the upright post, so that the cargo cage device 2 is prevented from falling.
The embodiment has the advantages of simple structure, stable and reliable operation, reduced cost, convenient disassembly and maintenance, speed measurement and speed limiting functions, and better safety effect, and overspeed phenomenon caused by any faults of the stacker can be protected.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (3)
1. A lifting anti-falling mechanism which is characterized in that: the device comprises a portal frame comprising upright posts, a cargo cage device which moves up and down on the portal frame, a first steel wire rope and a second steel wire rope; inclined lock seats positioned at two sides of the upright post are arranged at two sides of the cargo cage device, and a clasping wedge block which clasps the upright post from two sides of the upright post when the upright post is acted on by upward force is movably arranged on the inclined lock seats; the two sides of the cargo cage device are also provided with a first lever assembly and a second lever assembly, the upper part of the portal frame is provided with a first roller, the lower part of the portal frame is provided with a speed limiter, and the cargo cage device is provided with a second roller and a third roller which are positioned at the two sides and a fourth roller which is positioned above the third roller and the second lever assembly; both ends of the first steel wire rope are fixed on the first lever assembly and bypass the first roller and the speed limiter to form a closed loop; one end of the second steel wire rope is fixed on the first lever assembly, the second roller, the third roller and the fourth roller are bypassed, and the other end of the second steel wire rope is fixed on the second lever assembly; the lever ends of the first lever assembly and the second lever assembly are respectively provided with a push rod which can push up the holding wedge block upwards when being lifted upwards; the second roller is arranged below the first lever assembly, and the third roller is arranged below the second lever assembly; the two sides of the cargo cage device are also provided with anti-falling leaning wheel assemblies, each anti-falling leaning wheel assembly comprises a first mounting seat, a first leaning wheel, a rotating shaft and connecting plates, the first leaning wheel is arranged on the first mounting seat and leans against the inner side surface of the upright post, the rotating shaft is rotatably erected on the first mounting seat, the connecting plates are fixed at the two ends of the rotating shaft, and the ejector rods are fixed at the two ends of the connecting plates and are aligned with the holding wedge blocks; the inclined lock seat is provided with a second leaning wheel leaning against the side surface of the upright post, and the second leaning wheel is arranged on the inclined lock seat through an eccentric shaft; the inclined plane lock seat is internally provided with an inclined plane chute, and the holding wedge block is vertically movably arranged in the inclined plane chute; the first lever assembly and the second lever assembly are identical in principle and comprise a second mounting seat and a lever, one end of the lever is hinged to the second mounting seat, and the other end of the lever is propped against the lower surface of the connecting plate; one side of the lever, which is close to the hinge point, is pulled downwards through a first elastic piece, the other end of the lever is pulled upwards through a second elastic piece, the other end of the first elastic piece is connected to the second mounting seat, and the other end of the second elastic piece is connected with the connecting plate.
2. The lift fall arrest mechanism of claim 1, wherein: the portal frame comprises a top beam arranged on the upper part of the upright post and a bottom beam arranged on the lower part of the upright post.
3. A stacker comprising the lift anti-fall mechanism of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202033.7A CN110040660B (en) | 2019-03-18 | 2019-03-18 | Lifting anti-falling mechanism and stacker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202033.7A CN110040660B (en) | 2019-03-18 | 2019-03-18 | Lifting anti-falling mechanism and stacker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110040660A CN110040660A (en) | 2019-07-23 |
| CN110040660B true CN110040660B (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910202033.7A Active CN110040660B (en) | 2019-03-18 | 2019-03-18 | Lifting anti-falling mechanism and stacker |
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| CN (1) | CN110040660B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200297B (en) * | 2021-04-14 | 2022-09-23 | 科捷智能科技股份有限公司 | Cargo carrying platform |
| CN113911979B (en) * | 2021-12-14 | 2022-03-15 | 萨驰智能装备股份有限公司 | Stacking machine |
| CN117049305B (en) * | 2023-10-13 | 2023-12-12 | 福建中科兰剑智能装备科技有限公司 | Be used for intelligent storage stacker to carry cargo bed anti-falling device |
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| CN201362534Y (en) * | 2009-02-05 | 2009-12-16 | 沈阳飞机工业（集团）有限公司 | Speed-limiting and rope-breaking protecting device of stacker loading platforms |
| CN102701042A (en) * | 2012-06-21 | 2012-10-03 | 中国矿业大学 | Fall-preventing brake sliding carriage and fall-preventing brake method for hoist bucket of vertical shaft |
| CN105439046A (en) * | 2015-12-16 | 2016-03-30 | 云南昆船设计研究院 | Retaining device for effectively preventing lifting platform from falling |
| CN206203799U (en) * | 2016-11-30 | 2017-05-31 | 中科国技（天津）智能***工程有限责任公司 | A kind of tunnel type single-column piler |
| CN108264001A (en) * | 2018-02-06 | 2018-07-10 | 健芮智能科技（昆山）有限公司 | Piler with safe anti-falling mechanism |
| CN207792602U (en) * | 2018-01-11 | 2018-08-31 | 无锡先导智能装备股份有限公司 | Stacker loading platforms falling proof device and piler |
| CN210029925U (en) * | 2019-03-18 | 2020-02-07 | 健芮智能科技（昆山）有限公司 | Lifting anti-falling mechanism and stacker |
-
2019
- 2019-03-18 CN CN201910202033.7A patent/CN110040660B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201362534Y (en) * | 2009-02-05 | 2009-12-16 | 沈阳飞机工业（集团）有限公司 | Speed-limiting and rope-breaking protecting device of stacker loading platforms |
| CN102701042A (en) * | 2012-06-21 | 2012-10-03 | 中国矿业大学 | Fall-preventing brake sliding carriage and fall-preventing brake method for hoist bucket of vertical shaft |
| CN105439046A (en) * | 2015-12-16 | 2016-03-30 | 云南昆船设计研究院 | Retaining device for effectively preventing lifting platform from falling |
| CN206203799U (en) * | 2016-11-30 | 2017-05-31 | 中科国技（天津）智能***工程有限责任公司 | A kind of tunnel type single-column piler |
| CN207792602U (en) * | 2018-01-11 | 2018-08-31 | 无锡先导智能装备股份有限公司 | Stacker loading platforms falling proof device and piler |
| CN108264001A (en) * | 2018-02-06 | 2018-07-10 | 健芮智能科技（昆山）有限公司 | Piler with safe anti-falling mechanism |
| CN210029925U (en) * | 2019-03-18 | 2020-02-07 | 健芮智能科技（昆山）有限公司 | Lifting anti-falling mechanism and stacker |
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| CN110040660A (en) | 2019-07-23 |
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