CN206395641U - A kind of permanent magnetism anti-fall device on steel guide rail - Google Patents
A kind of permanent magnetism anti-fall device on steel guide rail Download PDFInfo
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- CN206395641U CN206395641U CN201720024605.3U CN201720024605U CN206395641U CN 206395641 U CN206395641 U CN 206395641U CN 201720024605 U CN201720024605 U CN 201720024605U CN 206395641 U CN206395641 U CN 206395641U
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- rotating shaft
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- housing
- gear
- guide rail
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Abstract
The utility model proposes a kind of permanent magnetism anti-fall device on steel guide rail, including housing, in addition to first rotating shaft in housing, rotating bar, torsion spring, drawstring, bevel gear, gear, the second rotating shaft, the permanent magnet for adsorbing steel guide rail.The beneficial effects of the utility model:The utility model is safe and reliable, requires relatively low to use environment, without frequent maintenance.
Description
Technical field
The utility model is related to jacking system field, and in particular to a kind of permanent magnetism anti-fall device on steel guide rail.
Background technology
Traditional jacking system includes steel guide rail, hand basket, power set.Wherein hand basket, which is used for carrying, needs to carry by jacking system
The equipment of predetermined altitude is raised to, steel guide rail is used in hand basket running limit hand basket running orbit, prevents it from rocking, power
Device is to provide the power in hand basket rise/fall.
The Wedge-type anti-falling safety device that conventional elevator system is used is strict to use environment requirement, it is necessary to use machine oil for a long time
Lubricate to meet the sensitivity that voussoir reacts, machine oil can be then rinsed out after raining, if the upper dust dirt of contamination is then needed in time clearly
Reason.This kind of safety needs frequent maintenance, the long-term easy corrosion that do not work under use environment out of doors, slow in reacting, is
To failure.This kind of safety reliability is relatively low, if not in time, falling accident easily occurs for maintaining.
Also there are the means using pinion and-rack anti-falling safety device, this kind of safety reliability is higher, but internal structure is multiple
Miscellaneous, cost is higher, and if place for a long time without using the corrosion of gear and rack is also brought along, so as to bring such as catching device reliable
Property reduction so that fail the problems such as, cause unnecessary loss.And this kind of safety needs the place run in catching device to pacify
Corresponding high intensity rack is filled, rack installation number is increased with lowering or hoisting gear using the increase of height, therefore it is used into
Originally also increase as.This kind of catching device internal structure is complicated, and itself cost is higher.Gear and rack do not work for a long time out of doors
In the case of easily corrosion, cause unnecessary loss.
Both the above safe fall-proof is respectively provided with following shortcoming:Embraced 1. being both needed to the additional catching device beyond steel guide rail and installing
Rail, causes steel to waste;2. needing bigger space on the projection surface when installing, whole jacking system space-consuming is caused more
Greatly, the space of miscellaneous equipment has been tied up;If 3. catching device, which is installed to embrace on rail, small foreign matter, making guide rail surface rough smooth,
Anti-falling safety device misoperation is easily caused, causes jacking system to be blocked when running;4. catching device, which is installed, embraces rail in work progress
Installation accuracy requires higher.If deviation occurs in the perpendicularity that catching device installs armful rail, anti-falling safety device operationally easily occurs
Misoperation, causes jacking system to be blocked when running.
Utility model content
Therefore the utility model proposes a kind of permanent magnetism anti-fall device on steel guide rail, existing jacking system institute is solved
The anti-fall means used are strict to use environment requirement, need frequent maintenance, reliability is relatively low, cost is higher, waste material
Material and space, easily make the problem of jacking system is blocked.
What the technical solution of the utility model was realized in:A kind of permanent magnetism anti-fall device on steel guide rail, including
Housing, in addition to first rotating shaft, rotating bar, torsion spring, drawstring, bevel gear, gear, the second rotating shaft, use in the housing
In the permanent magnet of absorption steel guide rail, the permanent magnet determines magnet, relative to the dynamic magnet for determining magnet rotation including what is be fixedly installed,
The second rotating shaft through dynamic magnet is provided with the dynamic magnet, the end of the second rotating shaft one, which is connected to, determines magnet, second rotating shaft
The other end connects gear, and the gear is in the second rotating shaft and drives the second axis of rotation, and the bevel gear is engaged in gear
It is engaged above and with gear, the first rotating shaft that can be rotated with dynamic bevel gear is set in the bevel gear, the first rotating shaft two is terminated
In inner walls, the first rotating shaft, the second rotating shaft axis it is orthogonal, the end of rotating bar one is connected to first rotating shaft, institute
The rotating bar other end is stated to pass housing and can be located in first rotating shaft relative to the upper and lower motion of housing, the torsion spring set, it is described to turn round
The end of spring one is connected to rotating bar, and the torsion spring is another to be terminated at away from rotating bar side body inwall, and the drawstring, which is connected to, passes housing
Rotating bar.When rotating bar motion upper and lower relative to housing, first rotating shaft is driven to rotate, first rotating shaft band dynamic bevel gear turns
Dynamic, bevel gear drives the pinion rotation being engaged with, and meshed gears, bevel gear are worked in coordination, by Bevel Gear Transmission, drives
The second axis of rotation on gear, is finally reached the purpose for driving dynamic magnet to rotate, when dynamic magnet turns to dynamic magnet
When magnetic induction line direction is consistent with the magnetic induction line direction for determining magnet, that is, move magnet it is consistent with the pole orientation for determining magnet when, the two group
Into permanent magnet externally show ferromagnetism, permanent magnet will be made tightly to adsorb on steel guide rail.It is arranged such, unlike traditional wedge
Block formula anti-falling safety device needs other means to protect sensitivity, requires relatively low to use environment, without frequent maintenance;The utility model
It can directly adsorb on steel guide rail, be installed without additional catching device and embrace a rail, not only saving steel but also save installing space, can make
Jacking system design is more flexible;There is no additional catching device to install and embrace rail, then anti-falling safety device will not be brought to embrace rail with catching device
Between interim card, precision controlling requirement can relax in jacking system work progress, and jacking system installs more simple and fast;Will not be because of
The jacking system operation that catching device self reason maloperation occurs and brought is blocked, and reliability is higher.And the utility model knot
Structure is simple, and existing steel guide rail is adsorbed using permanent magnet, and holistic cost is reduced.
Further, described to determine to set yoke at the top of magnet, described to determine magnet bottom and set yoke, the upper yoke is connected to
Case top, the lower yoke is connected to housing bottom, and the dynamic magnet can be rotated between upper yoke, lower yoke.Upper yoke is matched somebody with somebody
Close lower yoke, play a part of preferably determining magnet, and can preferably magnetic conduction, permanent magnet is externally shown strong magnetic
Property so as to which to adsorb steel guide rail closer.
Further, more than the limited block in precalculated position when rotation stop lever of being set up defences in the inner walls is rotated.Limited block
When coordinating rotational angle, number of teeth in bevel gears and hypoid gears, number of gear teeth the guarantee rotating bar arrival final position of rotating bar, the magnetic strength of magnet is moved
Line direction is consistent with the magnetic induction line direction for determining magnet.
By above disclosure, the beneficial effects of the utility model are:
1, the utility model is safe and reliable, requires relatively low to use environment, without frequent maintenance;
2, the utility model can be directly adsorbed in steel guide rails, installed without additional catching device and embraced rail, brought
Beneficial effect has:A. saving steel;B. installing space is saved, jacking system design can be made more flexible;C. it is anti-due to that will not bring
Falling safety device and catching device, which embrace precision controlling requirement in the interim card between rail, jacking system work progress, to be relaxed, jacking system peace
Fill more simple and fast;D. the utility model is simple in construction, and existing steel guide rail is adsorbed using permanent magnet, and holistic cost is dropped
It is low;
3, the jacking system operation that will not occur maloperation because of catching device self reason and bring is blocked, and reliability is more
It is high.
Brief description of the drawings
Fig. 1 is the structure chart under the lifting state of the permanent magnetism anti-fall device on steel guide rail.
Fig. 2 is the structure chart under the stopping of the permanent magnetism anti-fall device on steel guide rail.
Fig. 3 is the structural representation of the permanent magnetism anti-fall device on steel guide rail.
Reference is as follows:
1 housing, 2 first rotating shafts, 3 rotating bars, 4 torsion springs, 5 drawstrings, 6 bevel gears, 7 gears, 8 second rotating shafts, 9 dynamic magnets,
10 determine yoke on magnet, 11,12 lower yokes, 13 steel guide rails, 14 hand baskets, 15 power set, 16 limited blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in Figures 1 to 3, the permanent magnetism anti-fall device on steel guide rail, including housing 1, in addition to located at the housing 1
Interior first rotating shaft 2, rotating bar 3, torsion spring 4, drawstring 5, bevel gear 6, gear 7, the second rotating shaft 8, for adsorbing steel guide rail 13
Permanent magnet.
The permanent magnet determines magnet 10, relative to the dynamic magnet 9 for determining the rotation of magnet 10, the dynamic magnetic including what is be fixedly installed
The second rotating shaft 8 through dynamic magnet 9 is provided with body 9, second rotating shaft 8 drives dynamic magnet 9 to be rotated relative to magnet 10 is determined, institute
State the end of the second rotating shaft 8 one and be connected to and determine the side wall of magnet 10, the other end of the second rotating shaft 8 connects gear 7, the gear 7 is located at the
In two rotating shafts 8 and drive the second rotating shaft 8 rotate, the bevel gear 6 is engaged on gear 7 and is engaged with gear 7, the cone tooth
The first rotating shaft 2 that can be rotated with dynamic bevel gear 6 is set in wheel 6, described 2 liang of ends of first rotating shaft are connected to the inwall of housing 1, described first turn
Axle 2, the second rotating shaft 8 axis it is orthogonal, the end of rotating bar 3 one is connected to first rotating shaft 2, and the other end of rotating bar 3 is worn
Go out housing 1 and can be sheathed on relative to the upper and lower motion of housing 1, the torsion spring 4 in first rotating shaft 2, the end of torsion spring 4 one is connected to
Rotating bar 3, the torsion spring 4 is another to be terminated at away from the inwall of 3 side body of rotating bar 1, and the drawstring 5, which is connected to, passes turning for housing 1
Lever 3.
It is preferably to determine magnet 10 and preferably magnetic conduction referring to Fig. 3, it is described to determine to set yoke at the top of magnet 10
11, described to determine the bottom of magnet 10 and set yoke 12, the upper yoke 11 is connected to the top of housing 1, and the lower yoke 12 is connected to housing 1
Bottom, the dynamic magnet 9 can be rotated between upper yoke 11, lower yoke 12.
During to make rotating bar 3 reach final position, the magnetic induction line direction of dynamic magnet 9 and the magnetic induction line direction one for determining magnet 10
Cause, more than the limited block 16 in precalculated position when rotation stop lever 3 of being set up defences on the inwall of housing 1 is rotated.
Referring to Fig. 1-2, jacking system includes steel guide rail 13, hand basket 14, power set 15.Wherein hand basket 14 is used to carry and needed
The equipment for leaning on jacking system lifting to arrive predetermined altitude, steel guide rail 13 is used for the limitation hand basket 14 in the running of hand basket 14 and run
Track, prevents it from rocking.The end of drawstring 5 one is connected to the rotating bar 3 for passing housing 1, and the drawstring 5 is another to be terminated at power dress
Put 15.Steel guide rail 13, hand basket 14, power set 15 and structure of the present utility model is not belonging in the present embodiment, in order to clear
Statement the utility model and its position relationship and shown in Fig. 1-2;With continued reference to Fig. 1-2, the permanent magnetism anti-fall device is
Two, it is symmetrically set in the two ends of hand basket 14.Wherein, housing 1 plays parcel masking and supports other components, and housing 1 uses spiral shell
Bolt or direct welded and installed are on hand basket 14, and first rotating shaft 2 is arranged in housing 1, and can be rotated relative to housing 1, rotate
The one end of bar 3 and first rotating shaft 2 are affixed, and the other end of rotating bar 3 passes the elongated hole that rotating bar 3 is closed in establishing on housing 1, shell wall, rotates
Bar 3 can the upper and lower motion in elongated hole, when rotating bar 3 is rotated under external force first rotating shaft 2 can be driven to rotate together.Turn round
Spring 4 is sheathed in first rotating shaft 2, and one end is fixed in rotating bar 3, and the other end is fixed on away from the inwall of 3 side body of rotating bar 1
On, when rotating bar 3 is rotated to compression torsion spring 4 direction, torsion spring 4 is compacted, and the moment of torsion of an opposite direction is produced to rotating bar 3
(pretightning force), bevel gear 6 is fixed in first rotating shaft 2, is rotated and is rotated with first rotating shaft 2.The end of second rotating shaft 8 one, which is connected to, determines magnetic
The side wall of body 10, the other end of the second rotating shaft 8 connects gear 7, and gear 7 and dynamic magnet 9 surround the second rotating shaft 8, and can be around second
Rotating shaft 8 is rotated;Gear 7 is meshed with bevel gear 6, and rotation that can be bevel gear 6 parallel to the dynamic plane of magnet 9 is converted into gear 7
Perpendicular to the rotation of the dynamic in-plane of magnet 9.Gear 7 uses bolt connection with dynamic magnet 9, can be driven when gear 7 is rotated dynamic
The common rotation of magnet 9, determines magnet 10 and is fixed on the side wall of housing 1, and to make magnetic conduction effect more preferably, upper yoke 11 and lower yoke 12 are consolidated
It is scheduled on the inwall of housing 1 and around moving magnet 9 and determining magnet 10, limited block 16 is fixed on the inwall of housing 1, for preventing rotating bar 3
Exceed precalculated position during rotation.
Referring to Fig. 1, the one end of drawstring 5 is fixed on rotating bar 3 and passes the end of housing 1, and the other end of drawstring 5 is connected to power set 15
On.When power set 15 and drawstring 5 are connected firmly, drawstring 5 is in tensioned state, and now rotating bar 3 will laterally divide in drawstring 5
Horizontal by certain angle under power effect;Referring to Fig. 2, when power set 15, which are connected appearance with drawstring 5, to be broken or relax, draw
Rope 5 is in relaxed state, and now rotating bar 3 will be under self gravitation and/or the effect of the reverse pretightning force of torsion spring 4 to horizontal plane direction
Rotate.
The workflow of the present embodiment:
Referring to Fig. 1, if jacking system normal operation, drawstring 5 will be exceptionally straight, rotating bar 3 is horizontal by certain angle.This is moved
The magnetic induction line direction of magnet 9 and the magnetic induction line direction for determining magnet 10 are inconsistent, that is, move magnet 9 and determine the pole orientation of magnet 10 not
Unanimously, the permanent magnet of the two composition externally shows weak magnetic, that is to say, that the magnetic induction line direction of dynamic magnet 9 is with determining magnet 10
Magnetic induction line constitutes the closed-loop path of magnetic circuit inside permanent magnet, is come out without magnetic induction line from permanent magnet, so to steel guide rail
13 will not produce suction, and hand basket 14 can normally lift operation.
Referring to Fig. 2, if jacking system falls, now drawstring 5 be in relaxed state, rotating bar 3 will deadweight and/or
The lower rotation occurred towards horizontal plane of the effect of torsion spring 4.Because the rotation of rotating bar 3 drives first rotating shaft 2 and is connected to first turn
Bevel gear 6 on axle 2 rotates, and drives dynamic magnet 9 to rotate after gear 7.The rotation process by the rotational angle of rotating bar 3,
Dynamic magnet 9 turns to dynamic magnetic when the number of teeth of bevel gear 6, the number of teeth of gear 7 and the common guarantee rotating bar 3 of limited block 16 reach limited block 16
The magnetic induction line direction of body 9 is consistent with the magnetic induction line direction for determining magnet 20, i.e., dynamic magnet 9 is consistent with the pole orientation for determining magnet 10,
The permanent magnet of the two composition externally shows ferromagnetism, that is to say, that the magnetic induction line for determining magnet 9 comes out from the N poles for determining magnet, leads to
Yoke 11 is crossed, by steel guide rail 13, lower yoke 12 is returned and enters the S poles for determining magnet 9, magnet 10 is moved similarly, with regard to that can make forever
Magnet is tightly adsorbed on steel guide rail 13, even if the utility model is tightly adsorbed in steel with being fixed in hand basket 14 of the present utility model
On guide rail 13, hand basket 14 is prevented to continue to drop.
After falling accident occurs, system is through maintenance investigation failure, it is necessary to when continuing to run with, only need normal operating jacking system
Rise, now drawstring 5 is again exceptionally straight under the effect of power set 15, drive rotating bar 3 motion upwards again during this.Now
Linkage transmission through the rotating shaft 8 of 6 → gear of rotating bar 3 → first rotating shaft, 2 → bevel gear 7 → the second, dynamic magnet 9 turn to magnetic pole with
Determine the opposite position of magnet 10, permanent magnet externally shows weak magnetic, and the utility model comes off from steel guide rail 13, jacking system
Can normally it run.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (3)
1. a kind of permanent magnetism anti-fall device on steel guide rail, including housing (1), it is characterised in that:Also include being located at the shell
First rotating shaft (2), rotating bar (3), torsion spring (4), drawstring (5), bevel gear (6), gear (7), the second rotating shaft (8) in body (1),
Permanent magnet for adsorbing steel guide rail (13);
The permanent magnet determines magnet (10), relative to the dynamic magnet (9) for determining magnet (10) rotation including what is be fixedly installed, described dynamic
The second rotating shaft (8) through dynamic magnet (9) is provided with magnet (9), the end of the second rotating shaft (8) one, which is connected to, determines magnet (10), institute
The second rotating shaft (8) other end connection gear (7) is stated, the gear (7) is located in the second rotating shaft (8) and drives the second rotating shaft (8)
Rotate, the bevel gear (6) is engaged on gear (7) and is engaged with gear (7), being set in the bevel gear (6) can be with mantle
The first rotating shaft (2) that gear (6) is rotated, the end of first rotating shaft (2) two is connected to housing (1) inwall, the first rotating shaft (2),
The axis of second rotating shaft (8) is orthogonal, and the end of rotating bar (3) one is connected to first rotating shaft (2), and the rotating bar (3) is another
End passes housing (1) and can be sheathed on relative to the upper and lower motion of housing (1), the torsion spring (4) in first rotating shaft (2), described to turn round
The end of spring (4) one is connected to rotating bar (3), and the torsion spring (4) is another to be terminated at away from rotating bar (3) side body (1) inwall, the drawing
Rope (5) is connected to the rotating bar (3) for passing housing (1).
2. a kind of permanent magnetism anti-fall device on steel guide rail as claimed in claim 1, it is characterised in that:It is described to determine magnet
(10) top sets yoke (11), and described to determine magnet (10) bottom and set yoke (12), the upper yoke (11) is connected to housing (1)
Top, the lower yoke (12) is connected to housing (1) bottom, and the dynamic magnet (9) can be between upper yoke (11), lower yoke (12)
Rotate.
3. a kind of permanent magnetism anti-fall device on steel guide rail as claimed in claim 1, it is characterised in that:The housing (1)
More than the limited block (16) in precalculated position when rotation stop of being set up defences on inwall lever (3) is rotated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720024605.3U CN206395641U (en) | 2017-01-10 | 2017-01-10 | A kind of permanent magnetism anti-fall device on steel guide rail |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720024605.3U CN206395641U (en) | 2017-01-10 | 2017-01-10 | A kind of permanent magnetism anti-fall device on steel guide rail |
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CN206395641U true CN206395641U (en) | 2017-08-11 |
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CN201720024605.3U Active CN206395641U (en) | 2017-01-10 | 2017-01-10 | A kind of permanent magnetism anti-fall device on steel guide rail |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106698137A (en) * | 2017-01-10 | 2017-05-24 | 成都辟思航空科技有限公司 | Permanent magnetic anti-falling device used on steel guide rail |
CN115009952A (en) * | 2022-06-20 | 2022-09-06 | 中天建设集团第六建设有限公司 | Steel construction is with safe protection device that prevents weighing down |
-
2017
- 2017-01-10 CN CN201720024605.3U patent/CN206395641U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106698137A (en) * | 2017-01-10 | 2017-05-24 | 成都辟思航空科技有限公司 | Permanent magnetic anti-falling device used on steel guide rail |
CN106698137B (en) * | 2017-01-10 | 2023-06-06 | 成都辟思航空科技有限公司 | Permanent magnet anti-falling device for steel guide rail |
CN115009952A (en) * | 2022-06-20 | 2022-09-06 | 中天建设集团第六建设有限公司 | Steel construction is with safe protection device that prevents weighing down |
CN115009952B (en) * | 2022-06-20 | 2024-02-06 | 中天建设集团第六建设有限公司 | Safety anti-falling protection device for steel structure construction |
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Legal Events
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GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 610017 32 storeys, No. 199, Fourth Street, Tianfu, Chengdu High-tech Zone, Sichuan Province Patentee after: Chengdu ideal Aviation Technology Co., Ltd. Address before: 610017 Sichuan Chengdu high tech Zone, Shenghe 88 Road 1 Building 2 unit 23 level 2302. Patentee before: Chengdu ideal Aviation Technology Co., Ltd. |