CN104832377B - A kind of claw for tower drum outer wall maintenance platform - Google Patents

A kind of claw for tower drum outer wall maintenance platform Download PDF

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Publication number
CN104832377B
CN104832377B CN201510246320.XA CN201510246320A CN104832377B CN 104832377 B CN104832377 B CN 104832377B CN 201510246320 A CN201510246320 A CN 201510246320A CN 104832377 B CN104832377 B CN 104832377B
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CN
China
Prior art keywords
wall
drum outer
tower drum
support
magnet
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Expired - Fee Related
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CN201510246320.XA
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Chinese (zh)
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CN104832377A (en
Inventor
王曙辉
刘腾
朱浩
赵丹
刘伟强
彭庆国
邓元望
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Hunan University
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Hunan University
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Publication of CN104832377A publication Critical patent/CN104832377A/en
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Publication of CN104832377B publication Critical patent/CN104832377B/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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Abstract

The invention discloses a kind of claw for tower drum outer wall maintenance platform.The claw includes support, its top is connected by upper bent axle with magnet-wheel on one group, bottom is connected by lower bent axle with magnet-wheel under one group, provided with the electricity-controlled magnet disk being connected with support between upper magnet-wheel and lower magnet-wheel, provided with the brake pad being connected with support below the electricity-controlled magnet sucker, rotating shaft is additionally provided with the support and the pivoted housing that maintenance platform is connected in rotating shaft is enclosed on.Structure and principle of the present invention preferably overcome electricity-controlled magnet sucker fitted with tower drum outer wall face it is bad and the problem of cause load reduction, also increase the bearing capacity of claw, the probability that claw damages tower coating is reduced, the security that tower safeguards construction is improved.

Description

A kind of claw for tower drum outer wall maintenance platform
Technical field
Equipment field is safeguarded the invention belongs to wind-power tower, and in particular to a kind of wind-driven generator tower is safeguarded and construction is flat The claw that platform is moved in tower.
Background technology
Wind-power tower is because being chronically exposed in natural environment, and the application for being easily caused steel tower drum outer wall is stained, peeling paint, Corrosion.Therefore it is every to need to be safeguarded after a while.
The traditional maintenance mode of wind-power tower is relied on will safeguard that workmen is suspended in progress near tower by rope, this Kind mode operating efficiency is relatively low, labor intensity is big, workmen is extremely uncomfortable, to the fitness and psychological quality of workmen With high requirement, therefore, in recent years since, it is proposed that a variety of mentalities of designing that can be along wind-power tower hoistable platform and solution party Case, the maintenance for solving wind-power tower is constructed or transports article to tower top, to improve operating efficiency and security, reduction The labor intensity of staff.
In general, modern wind electricity generation system all uses steel taper tower, and the comprehensive technical thought now proposed is safeguarded The principle that platform is lifted along tower drum outer wall mainly has three classes:One class is that rope, rope are provided with the cabin positioned at atop a tower Lower end is fastened on hoistable platform, is drawn by the hoist engine that is located on cabin or hoistable platform, is put rope and can be achieved to safeguard flat The rising or decline of platform;Another class is by setting the compressible friction mechanism on tower drum outer wall on maintenance platform, utilizing Friction mechanism realizes the rise and fall of maintenance platform with the frictional force on tower drum outer wall;3rd class is to steel tower using magnet Cylinder produces the principle of suction, and magnetic suction disc is set on maintenance platform, is realized and safeguarded by the active force between sucker and tower The rise and fall of platform.In above-mentioned three class lifting principle, make the mode that maintenance platform is lifted using the mode of magnet sucking disc The structure that may be such that maintenance platform is relatively easy, weight is relatively light, be more prone to control, construction cost is relatively low excellent Gesture.
When traditional magnetic disk works, magnet produces suction Fn to steel tower and magnet sucking disc is pressed on outside tower Wall, and suction Fn directions are consistent with the contact surface normal direction of magnet sucking disc and tower drum outer wall, and effect of the maintenance platform to sucker Power Fg is approximately vertical with the contact surface normal direction of magnet sucking disc and tower drum outer wall, also, Fg size is equal to Fn and magnet and tower The product of confficient of static friction between surface, that is, Fg is the stiction between magnet sucking disc and tower.Such as to increase magnet Load, the raising safety coefficient of disk, otherwise then increase the suction Fn of magnetic disk, or between increase magnetic disk and tower Coefficient of friction.
And increase the suction of magnetic disk, in the case where the magnetic field intensity of magnet is constant, it is necessary to increase the weight of magnet And volume, difficulty both was brought to design, the manufacturing cost of maintenance platform is also increased;And increase between magnet sucking disc and tower It is also a point difficulty or coefficient of friction sets up the material of increase coefficient of friction between magnet sucking disc and tower, and due to magnetic Iron hardness is much larger than the hardness of tower external coating, once producing small sliding between magnet sucking disc and tower, is easily caused suction The coating of power face destructible tower appearance.
Therefore, development is a kind of has good occlusion, the magnet sucking disc claw of skid resistance to outer wall of wind power tower to wind The maintenance and construction of electric tower have great importance.
The content of the invention
The present invention is intended to provide a kind of claw for tower drum outer wall maintenance platform, the claw is using magnet sucking disc to steel The suction of wind-power tower, by producing stiction between the element and tower drum outer wall outside sucker by jaws in tower wall On face with bear tower maintenance platform lifting needed for load, in the case where not increasing magnet suction, by increase element with Coefficient of friction between tower, thus reach increase claw to the coupling mechanism force of tower, improve safety coefficient, avoid tower drum outer wall from applying The purpose of damage layer.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of claw for tower drum outer wall maintenance platform, it is structurally characterized in that, including
One support;
Magnet-wheel on one group, on this magnet-wheel by upper bent axle mounted in frame upper close to the side of tower drum outer wall, and magnetic on this Wheel is contacted with tower drum outer wall, and can be rolled along tower drum outer wall;
Magnet-wheel under one group, the lower magnet-wheel is mounted in support bottom close to the side of tower drum outer wall by lower bent axle, and the lower magnetic Wheel is contacted with tower drum outer wall, and can be rolled along tower drum outer wall;
The one electricity-controlled magnet sucker by hinge on support, the electricity-controlled magnet sucker is needed outside promptly tower in claw During wall be powered it is attracting with the tower drum outer wall magnetic force, when claw need not firmly grasp tower drum outer wall power off and with the tower drum outer wall Keep sucker gap;
One pivoted housing for installing maintenance platform, it is mounted in side of the support away from tower drum outer wall by rotating shaft;And
One brake pad by bearing pin on the support, the brake pad when claw need not firmly grasp tower drum outer wall with it is described Tower drum outer wall keeps friction block gap, is contacted when claw needs promptly tower drum outer wall with tower drum outer wall and forms self-locking structure.
Thus, when claw is moved along tower drum outer wall, the electricity-controlled magnet sucker, brake pad do not connect with tower drum outer wall Touch;When needing claw to firmly grasp tower drum outer wall, electricity-controlled magnet sucker contacts the suction for producing Fn with tower drum outer wall, and electricity-controlled magnet is inhaled Disk is only by the consistent pulling force of magnetic force direction, without by the tangential force perpendicular to magnetic force direction, and brake pad with outside tower Wall friction self-locking produces Ff frictional force, so as to ensure that claw firmly firmly grasps tower drum outer wall.
Embodiments in accordance with the present invention, can also make further optimization, below the skill to be formed after optimization to the present invention Art scheme:
Embodiments in accordance with the present invention, preferably described support is bilateral symmetry, and tower axis is in the support The plane of symmetry on, the upper magnet-wheel, lower magnet-wheel are symmetrical both with respect to the plane of symmetry of the support;If the pivot of the pivoted housing The intersection point of line and the support plane of symmetry is A, and the intersection point of the rotation centerline of the upper bent axle and the support plane of symmetry is B, Then the line between the rotation centerline of the lower bent axle and the intersection point and A, B of the support plane of symmetry constitutes a triangle, The intersection point of the hinge rotation centerline and the support plane of symmetry is in the inside of the triangle.Thus, the electricity-controlled magnet is inhaled When disk sucks tower drum outer wall, support is in the support plane of symmetry perpendicular to tower drum outer wall as far as possible to its force direction, card The bus of pawl side, namely parallel to the magnetic line of force direction of electricity-controlled magnet sucker.
The intersection point of the bearing pin center line and the support plane of symmetry is C, then line and intersection points B, the C lines between intersection point A, C Middle vertical plane between the tangent value tan α of angle α be less than friction coefficient μ between the brake pad and tower drum outer wall, i.e. tan α < μ.
On the upper bent axle and lower bent axle equipped with promote the support to away from tower drum outer wall direction move it is corresponding on Torsion spring and lower torsion spring.Thus, connected between described two upper magnet-wheels and support by upper bent axle, and between upper bent axle and support Provided with upper torsion spring, connected between described two lower magnet-wheels and support by lower bent axle, and also be provided between lower bent axle and support Lower torsion spring, the upper torsion spring and lower torsion spring, which all have, causes support to have the trend of remote tower drum outer wall, and ensures that support can be around The bearing pin center line does small rotation, and the upper magnet-wheel is close to tower drum outer wall all the time with lower magnet-wheel by magnetic force.
Between the electricity-controlled magnet sucker and support have make in electricity-controlled magnet sucker no power electricity-controlled magnet sucker with The tower drum outer wall keeps the holding structure in sucker gap.Further, the holding structure is extension spring;The one of the extension spring End is connected on support, and the other end of the extension spring is connected on electricity-controlled magnet sucker.Thus, in the electricity-controlled magnet sucker and branch The plane of symmetry between frame relative to support is symmetrically provided with extension spring, it is ensured that electricity-controlled magnet sucker departs from after tower drum outer wall in just True position and posture.
Preferably, the brake pad, which is used to set on the face that contact with tower drum outer wall, increases the ridge design of frictional force.
Preferably, the face that the brake pad is used to contact with tower drum outer wall is provided with sump pit.Thus, it is possible to so that outside tower Wall, which has, can also larger coefficient of friction when water or other liquid.
The upper bent axle and the design of upper torsion spring are integral, and the lower bent axle and the design of lower torsion spring are integral, make to be mounted in support On upper crankshaft two end while connect magnet-wheel, the lower crankshaft two end on support respectively and connect lower magnet-wheel respectively, double as Torsion-bar spring.
The sucker gap is 1mm-8mm.
By said structure, the present invention includes a symmetrical support, and the support is provided with two groups of magnet wheels, wherein One group of magnet wheel is located at the top of the support, i.e., upper magnet-wheel, another group of magnet wheel is located at the bottom of the support, i.e., under Magnet-wheel, on described between magnet-wheel and lower magnet-wheel be provided with electricity-controlled magnet sucker, the electricity-controlled magnet sucker by hinge with it is described Support is connected, and brake pad is provided with below the electricity-controlled magnet sucker, and the brake pad is connected by bearing pin with the support, The support is provided with outside rotating shaft, the rotating shaft and is provided with coaxial pivoted housing, and the maintenance platform is connected with pivoted housing;
Specifically, at least one set of claw always is locked on tower drum outer wall in the tower maintenance platform course of work.Work as card When pawl needs locking tower drum outer wall, electricity-controlled magnet sucker overcomes the elastic force of upper torsion spring and lower torsion spring to inhale on tower drum outer wall, simultaneously Tower drum outer wall is close to by supporting band dynamic friction block, when the pulling force effect of maintenance platform and its load is on pivoted housing, By electricity-controlled magnet sucker to the suction of tower with the collective effect of platform and its pulling force of load, the support can pass through bearing pin Brake pad is pressed on tower drum outer wall, and forms self-locking, namely no matter platform has much to the pulling force of pivoted housing, if sucker with Enough, claw both without departing from tower, will not also glide suction between tower wall along tower.
More specifically, when not needing claw to firmly grasp tower, the magnetic force on electricity-controlled magnet sucker disappears, in upper torsion spring and Under the collective effect of lower torsion spring, the support is promoted away from tower drum outer wall, so as to drive electricity-controlled magnet sucker and brake pad to leave Tower drum outer wall, and because upper and lower magnet-wheel has certain suction without departing from tower drum outer wall between tower, so as to may be such that whole Individual claw can be moved up and down along tower drum outer wall.
Compared with prior art, the beneficial effects of the invention are as follows:
1)The electricity-controlled magnet sucker is sucked after tower drum outer wall, magnet sucking disc only by the consistent pulling force of magnetic force direction, and It will not be fitted not with tower drum outer wall face by the tangential force perpendicular to magnetic force direction so as to preferably overcome electricity-controlled magnet sucker Cause the problem of circumferential load declines well, also claw can be avoided to be skidded in tower and cause danger;
2)The friction block of material can be selected as needed, and coefficient of friction can be selected larger and tower painting will not be damaged The material of layer, so as in the case of magnet sucking disc suction identical, not only increase the bearing capacity of claw, also reduces claw damage Hinder the possibility of tower coating;
3)Claw can be kept during being moved up and down along tower drum outer wall, whole card, which is led, does not depart from tower drum outer wall, and by In the guide effect of upper magnet-wheel and lower magnet-wheel, tower axis during claw is moved up and down can be reduced and drift out the claw plane of symmetry And cause all claws of maintenance platform to act inconsistent and then cause workbench to exceed tolerable injury level during moving up and down The probability of degree, so as to improve the security that tower safeguards construction.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Below in conjunction with drawings and examples, the present invention is further elaborated.
Brief description of the drawings
Drawings below is used for providing a further understanding of the present invention, and it is used to solve together with following embodiments The present invention is released, but protection scope of the present invention is not limited to following examples shown in the drawings and embodiment.In accompanying drawing:
Front view of Fig. 1 devices of the present invention in the case of promptly tower drum outer wall;
Front view of Fig. 2 devices of the present invention in the case of tower drum outer wall is not firmly grasped;
Fig. 3 Fig. 1 A direction views;
Fig. 4 Fig. 1 B direction views;
Fig. 5 Fig. 3 C-C is to sectional view;
Stress diagram of Fig. 6 devices of the present invention in promptly tower drum outer wall.
Wherein, the corresponding relation between the reference and component names in each figure is:
The upper magnet-wheels of 1-;The upper bent axles of 2-;3- tower drum outer walls;4- electricity-controlled magnet suckers;5- hinges;6- supports;7- rubs Block;Bent axle under 8-;Magnet-wheel under 9-;10- suckers gap;11- friction block gaps;The upper torsion springs of 12-;13- pivoted housings;14- rotating shafts; Torsion spring under 15-;16- extension springs;17- bearing pins.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real Applying example, the present invention is described in further detail.It should be appreciated that embodiment described herein is only used for The bright and explanation present invention, protection scope of the present invention is not limited to following embodiments.
It should be noted that, first, in the description of technical scheme, in order to which the skill of the present invention is explicitly described Some nouns of locality used in art feature, are according to the wind tower of the invention such as " on ", " under ", " interior ", " outer " Cylinder maintenance platform operation when for the normal orientation of wind-power tower, for example, the orientation of relatively close tower top for " on ", It is " interior ", etc. close to tower center line side;Second, the claw of wind-power tower maintenance platform of the invention is primarily adapted for use in wind The maintenance equipment of power generator tower drum outer wall, but it is not meant to that the claw is not applied for other aerial lift devices, Available for such as:Steel smokestack, water tower, and steel plane other buildings etc. in maintained equipment.
A kind of claw for outer wall of wind power tower maintenance platform, on the basis of Fig. 1, with reference to Fig. 3, Fig. 4, Fig. 5, it is wrapped A symmetrical support 6 is included, the support 6 is provided with two groups of magnet wheels, and one of which is upper magnet-wheel 1, at upper bent axle 2 In the top of support 6, another group is lower magnet-wheel 9, and the bottom of support 6, magnet-wheel 1 and lower magnetic on described are in by lower bent axle 8 Electricity-controlled magnet disk 4 is provided between wheel 9, the electricity-controlled magnet sucker 4 is connected by hinge 5 with support 6, in the electricity-controlled magnet The lower section of disk 4 is provided with brake pad 7, and the brake pad 7 is connected by bearing pin 17 with support, and the support 6 is provided with rotating shaft 14, The rotating shaft 14 the wind-power tower maintenance platform and is connected with pivoted housing 13 coaxially in the pivoted housing 13, and most load at last It is carried on pivoted housing 13, namely on claw.
The support 6 is symmetrical structure, and the axis of tower is in the symmetrical plane of support 6 during work, and described The plane of symmetry that upper magnet-wheel 2, lower magnet-wheel 9 are all respectively relative to support 6 is symmetrical, and the electricity-controlled magnet sucker 4, brake pad 7 are also relative It is symmetrical in the plane of symmetry of support 6.
If the intersection point of the plane of symmetry of the rotation centerline of the pivoted housing 13 and the support 6 is in A, the rotation of upper bent axle 2 The intersection point of heart line and the support plane of symmetry is B, then connects the rotation centerline and the support 6 of A, B and lower bent axle 8 The intersection point of the plane of symmetry constitutes a triangle, and the center line of the hinge 5 is in the triangle with the intersection point of the plane of symmetry of support 6 Inside;
Referring to Fig. 3, upper torsion spring 12 is provided between the upper bent axle 2 and support 6, is also set between the lower bent axle 8 and support 6 There is lower torsion spring 15, the upper torsion spring 12 and lower torsion spring 15, which all have, causes support 6 to have the trend of remote tower drum outer wall 3, and protects Card support 6 can do small rotation in its symmetrical plane.The upper magnet-wheel 1 is inhaled with lower magnet-wheel 9 because having to steel tower Power, therefore be attached to all the time on tower drum outer wall 3, so as to ensure that claw does not depart from tower when being moved along tower drum outer wall 3;
The upper bent axle 2 may be designed to one with upper torsion spring 12, and integrally, i.e., the lower bent axle 8 designs with lower torsion spring 15 While the two ends of upper bent axle 2 fixed on the frame 6 connect magnet-wheel 9 under upper magnet-wheel 1, the connection of the two ends of lower bent axle 8, also respectively simultaneous To the effect of torsion-bar spring;
Referring to Fig. 4 and Fig. 5, except being connected by hinge 5 between the electricity-controlled magnet sucker 4 and support 6, also in hinge 5 Top provided with the extension spring 16 for connecting the support 6 and electricity-controlled magnet sucker 4 so that claw is along along tower moving process, electricity Can keep correct posture between control magnet sucking disc 4 and tower drum outer wall 3, it is ensured that claw move by property, and avoid automatically controlled magnetic The application on the injury tower drum outer wall 3 of iron sucker 4 surface;
Referring to Fig. 6, if the intersection point of the center line of the bearing pin 17 and the plane of symmetry of support 6 is C, then between intersection point A, C Line is less than the coefficient of friction between brake pad 7 and tower drum outer wall 3 with intersection points B, the tangent value of the angle α of the middle vertical plane of C lines μ, i.e. tan α < μ.
When claw needs locking tower drum outer wall 3, electricity-controlled magnet sucker 4 overcomes the elastic force of upper torsion spring 12 and lower torsion spring 15 to inhale On tower drum outer wall 3, and produce suction Fn, while drive brake pad 3 to be also close on tower drum outer wall 3 by support 6, once dimension When shield platform and its pulling force Fg of load are acted on pivoted housing 13, it can cause the support 6 that brake pad 7 is pressed on into tower drum outer wall On 3, and produce stiction Ff and pressure Fc, it is desirable to tan a≤Ff/Fc, due to tan α < μ, then brake pad 7 and tower drum outer wall Self-locking can be formed between 3, namely no matter platform has much to the pulling force Fg of pivoted housing 13, as long as outside electricity-controlled magnet sucker 4 and tower Enough, claw both without departing from tower drum outer wall 3, will not also glide suction Fn between wall 3 along tower drum outer wall 3.
In order to increase friction, the coefficient of friction between brake pad 7 and tower drum outer wall 3 can be in brake pad 7 and tower drum outer wall 3 Contact surface be provided with ridge design;In order to solve on tower drum outer wall 3 to reduce brake pad 7 and tower with water or other liquid Coefficient of friction between outer wall 3, the position that can be contacted in brake pad 7 with tower drum outer wall 3, or sump pit is set on contact surface;Institute Stating the principle of the material selection of brake pad 7 includes:Coefficient of friction between tower drum outer wall 3 is sufficiently large, with moderate hardness It is unlikely to injury tower coating, with preferable wearability.
Referring to Fig. 2, when not needing claw to firmly grasp tower, such as claw along tower drum outer wall 3 move when, electricity-controlled magnet sucker 4 On magnetic force disappear, under the collective effect of upper torsion spring 12 and lower torsion spring 15, promote the support 6 to the outer sidesway of tower drum outer wall 3 It is dynamic, so that formation gap 10 between electricity-controlled magnet sucker 4 and brake pad 7 and tower drum outer wall 3 is driven, and due to upper magnet-wheel 1, lower magnetic Respectively there is suction without departing from tower drum outer wall 3 in wheel 9, between tower drum outer wall 3 so as to may be such that whole claw can be along tower Outer wall 3 is moved up and down.
A kind of claw for outer wall of wind power tower maintenance platform that the present invention is provided is described in detail above in association with accompanying drawing Preferred embodiment and operation principle, it should be noted, however, that the explanation of above example, which is only intended to help, understands the present invention Method and its core concept, the present invention is not limited to detail in above-mentioned embodiment, for the general of the art For logical technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, this A little improvement and modification are also fallen into the protection domain of the claims in the present invention.

Claims (10)

1. a kind of claw for tower drum outer wall maintenance platform, it is characterised in that including
One support(6);
Magnet-wheel on one group(1), magnet-wheel on this(1)Pass through upper bent axle(2)Mounted in support(6)Top is close to tower drum outer wall(3)One Side, and magnet-wheel on this(1)With tower drum outer wall(3)Contact, and can be along tower drum outer wall(3)Roll;
Magnet-wheel under one group(9), the lower magnet-wheel(9)Pass through lower bent axle(8)Mounted in support(6)Bottom is close to tower drum outer wall(3)One Side, and the lower magnet-wheel(9)With tower drum outer wall(3)Contact, and can be along tower drum outer wall(3)Roll;
One passes through hinge(5)Mounted in support(6)On electricity-controlled magnet sucker(4), the electricity-controlled magnet sucker(4)Need to grab in claw Tight tower drum outer wall(3)Shi Tong electricity and the tower drum outer wall(3)Magnetic force is attracting, and tower drum outer wall need not be firmly grasped in claw(3)Shi Duan Electricity and with the tower drum outer wall(3)Keep sucker gap(10);
One pivoted housing for installing maintenance platform(13), it passes through rotating shaft(14)Mounted in support(6)Away from tower drum outer wall(3)One Side;And
One passes through bearing pin(17)Mounted in support(6)On brake pad(7), the brake pad(7)It need not be firmly grasped in claw outside tower Wall(3)When with the tower drum outer wall(3)Keep friction block gap(11), promptly tower drum outer wall is needed in claw(3)When and tower Outer wall(3)Contact and form self-locking structure.
2. it is used for the claw of tower drum outer wall maintenance platform according to claim 1, it is characterised in that the support(6)For a left side Right symmetrical structure, tower axis is in the support(6)The plane of symmetry on, the upper magnet-wheel(1), lower magnet-wheel(9)It is relative In the support(6)The plane of symmetry it is symmetrical;If the pivoted housing(13)Rotation centerline and the support(6)The plane of symmetry friendship Point is A, the upper bent axle(2)Rotation centerline and the support(6)The plane of symmetry intersection point be B, then connect A, B and Lower bent axle(8)Rotation centerline and the support(6)The plane of symmetry intersection point constitute a triangle, the hinge(5)'s Rotation centerline and support(6)The plane of symmetry intersection point be in the triangle inside.
3. it is used for the claw of tower drum outer wall maintenance platform according to claim 2, it is characterised in that the bearing pin(17)In Heart line and support(6)The plane of symmetry intersection point be C, then between the line and intersection points B, the middle vertical plane of C lines between intersection point A, C The tangent value tan α of angle α are less than the brake pad(7)With tower drum outer wall(3)Between friction coefficient μ.
4. it is used for the claw of tower drum outer wall maintenance platform according to one of claim 1-3, it is characterised in that the upper bent axle (2)With lower bent axle(8)Upper be equipped with promotes the support(6)To away from tower drum outer wall(3)The torsion spring upper accordingly of direction movement (12)With lower torsion spring(15).
5. it is used for the claw of tower drum outer wall maintenance platform according to one of claim 1-3, it is characterised in that the automatically controlled magnetic Iron sucker(4)With support(6)Between have in electricity-controlled magnet sucker(4)Make electricity-controlled magnet sucker during no power(4)With the tower Drum outer wall(3)Keep sucker gap(10)Holding structure.
6. it is used for the claw of tower drum outer wall maintenance platform according to claim 5, it is characterised in that the holding structure is drawing Spring(16);The extension spring(16)One end be connected to support(6)On, the extension spring(16)The other end be connected to electricity-controlled magnet sucker (4)On.
7. it is used for the claw of tower drum outer wall maintenance platform according to one of claim 1-3, it is characterised in that the brake pad (7)For with tower drum outer wall(3)The ridge design of increase frictional force is set on the face of contact.
8. it is used for the claw of tower drum outer wall maintenance platform according to one of claim 1-3, it is characterised in that the brake pad (7)For with tower drum outer wall(3)The face of contact is provided with sump pit.
9. it is used for the claw of tower drum outer wall maintenance platform according to claim 4, it is characterised in that the upper bent axle(2)With Upper torsion spring(12)Design is integral, the lower bent axle(8)With lower torsion spring(15)Design is integral, makes to be mounted in support(6)On it is upper Bent axle(2)Two ends connect magnet-wheel respectively(1), mounted in support(6)On lower bent axle(8)Two ends connect lower magnet-wheel respectively(9)'s Meanwhile, as torsion-bar spring.
10. it is used for the claw of tower drum outer wall maintenance platform according to one of claim 1-3, it is characterised in that the sucker Gap is 1mm-8mm.
CN201510246320.XA 2015-05-15 2015-05-15 A kind of claw for tower drum outer wall maintenance platform Expired - Fee Related CN104832377B (en)

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