CN102145867B - Lifting platform for switching on/off handcart - Google Patents

Lifting platform for switching on/off handcart Download PDF

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Publication number
CN102145867B
CN102145867B CN 201110049722 CN201110049722A CN102145867B CN 102145867 B CN102145867 B CN 102145867B CN 201110049722 CN201110049722 CN 201110049722 CN 201110049722 A CN201110049722 A CN 201110049722A CN 102145867 B CN102145867 B CN 102145867B
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CN
China
Prior art keywords
bracing frame
screw mandrel
switching
handcart
fixed
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CN 201110049722
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Chinese (zh)
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CN102145867A (en
Inventor
宋敬峰
俞沛宙
汤栋
李光军
张彦
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JINZHOU POWER SUPPLY BUREAU NINGBO
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JINZHOU POWER SUPPLY BUREAU NINGBO
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Publication of CN102145867A publication Critical patent/CN102145867A/en
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Abstract

The invention provides a lifting platform for switching on/off a handcart. The lifting platform comprises a door-shaped frame body, wherein the two ends of a first support frame and a second support frame are inserted into a chute of which the opening is formed inwards in the door-shaped frame body, and can move up and down along the chute; an electric driving mechanism is fixed on the rear part of the door-shaped frame body and is used for driving a drive screw rod which is extended in the vertical direction and of which one end passes through the electric driving mechanism to move up and down; the other end of the drive screw rod is fixedly connected with an stretching mechanism; two chain wheels are arranged at the left and right ends of the stretching mechanism; one end of a left chain and one end of a right chain are fixed on an upper beam of the door-shaped frame body, and the other end of the left chain and the other end of the right chain sequentially move around the left and right chain wheels of the stretching mechanism from the lower side and two fixed chain wheels fixed on the door-shaped frame body from the upper side respectively, are extended downwards and are fixedly positioned on the first support frame on the upper side and the second support frame on the lower side sequentially; a hoisting mechanism is arranged on the front side of the first support frame; and a support mechanism is arranged on the front side of the second support frame.

Description

A kind of lifting table of switching on/off handcart
Technical field
The invention belongs to field of power, relate in particular to the switching on/off handcart lifting table of the intermediate switchgear cabinet of a kind of 10Kv of being applied to.
Background technology
The 10KV central switch cabinet is widely applied in electric system, need to use switching on/off handcart in the operation to central switch cabinet, but the weight of switching on/off handcart generally reaches 300-400kg.The jacking system of existing switching on/off handcart is because the reason of design can not be down to ground with switching on/off handcart in switch cubicle, when switching on/off handcart arrives position apart from ground 5-10 centimetre, need manually switching on/off handcart to be carried off, because the switching on/off handcart volume is large, Heavy Weight, so need 5-6 name personnel jointly to pull together just to finish switching on/off handcart is lifted operation to ground, whole process wastes time and energy.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of lifting table of switching on/off handcart, can switching on/off handcart be down to lower from eminence time saving and energy savingly.
For achieving the above object, one embodiment of the present of invention provide a kind of lifting table of switching on/off handcart, it is characterized in that, comprise a type framework, be provided with the chute to inner opening about described door type framework in two frameworks, the two ends of the first bracing frame and the second bracing frame are inserted into described door type framework in interior chute, and can move up and down along chute, and the first bracing frame is positioned at the top of the second bracing frame;
An electric driving mechanism is fixed at rear portion in door type framework, the driving screw mandrel that electric driving mechanism be used for to drive that vertical direction extends and an end passes electric driving mechanism moves up and down, the other end that drives screw mandrel is captiveed joint with drawing mechanism, the two ends, the left and right sides of described drawing mechanism are provided with two sprocket wheels, one end of two chains is fixed on a upper beam of type framework, the other end respectively successively from the below walk around drawing mechanism about two sprocket wheels, and walk around two of being fixed on the type framework from the top and decide sprocket wheel, and be fixed in successively the first bracing frame of top and be positioned at the second bracing frame of below to downward-extension;
The front of the first bracing frame is provided with derricking gear, and described derricking gear comprises two lifting arms, and the lifting post to horizontal expansion is set on two respect to one another of arms of lifting; Is connected by the first transverse shifting driver train between each lifting arm and first bracing frame, the first transverse shifting driver train lifts arm along the surperficial transverse shifting of the first bracing frame for driving;
The front of the second bracing frame is provided with supporting mechanism, and described supporting mechanism comprises two supporting guides, the vertical restriction section that each supporting guide comprises horizontal support section and stretches upwards from the horizontal support section outside; Be connected by the second transverse shifting driver train between each supporting guide and the second bracing frame, the second transverse shifting driver train is used for driving supporting guide along the surperficial transverse shifting of the second bracing frame.
Preferably, described the first transverse shifting driver train comprises the first-hand handle that shakes that is positioned at the outside, and one end to be fixed on the first-hand handle that shakes inboard and along the first screw mandrel that laterally inwardly extends, first-handly shake handle and be connected screw mandrel and rotatably be connected with the first bracing frame, the first bracing frame front also arranges the first pilot bar that extends along the parallel direction of the first screw mandrel bearing of trend;
Form the tapped bore that matches with the first screw mandrel on the lifting arm, and the through hole that matches with the first pilot bar.
Preferably, described the second transverse shifting driver train comprises that the second-hand who is positioned at the outside shakes handle and an end is fixed on the second screw mandrel that the second-hand shakes the handle inboard and laterally inwardly extends, the second-hand shakes handle and is connected screw mandrel and rotatably is connected with the second bracing frame, and the second bracing frame front also arranges along the second pilot bar of the parallel direction flying formation of geese of the second screw mandrel bearing of trend;
Form the tapped bore that matches with the second screw mandrel and the through hole that matches with the second pilot bar on the supporting guide.
Preferably, also comprise a horizontal anchor fitting that is fixed on type framework bottom.
Preferably, the rear portion of described door type framework with push away handle and fix.
The lifting table that the embodiment of the invention provides can lift by crane switching on/off handcart time saving and energy savingly from eminence, and is down to ground.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the axonometric drawing of an embodiment of the lifting table of switching on/off handcart provided by the invention;
Fig. 2 is the right elevation of the switching on/off handcart lifting table among Fig. 1.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 is the axonometric drawing of an embodiment of the lifting table of switching on/off handcart provided by the invention; Fig. 2 is the right elevation of the switching on/off handcart lifting table among Fig. 1.
Please be simultaneously referring to Fig. 1 and Fig. 2, the switching on/off handcart lifting table in the present embodiment comprises a type framework 1, this type framework 1 comprise put the beams in place 13, about two frameworks (12,11) and lower frame 14.Therefore whole switching on/off handcart lifting table is a type substantially.
Be formed with in two frameworks 12 and 11 about door type framework 1 to inner opening, and the chute 121 and 111 that vertically extends.The two ends of the first bracing frame 2 are inserted in a left frame of type framework 1 12 and correct frame 11 chute separately, and can slide up and down along chute, the two ends of the second bracing frame 4 also are inserted in left frame 12 and correct frame 11 chute separately, and can slide up and down along chute.The first bracing frame 2 is positioned at the top of the second bracing frame 4.
The front of the first bracing frame 2 is provided with derricking gear 3, and derricking gear 3 is used for the lifting switching on/off handcart to finish the action of bringing up to or carrying off to switching on/off handcart.Below describe the concrete mechanism of derricking gear 3 in detail.Derricking gear 3 comprises two lifting arms 31, lifting post 32 to horizontal expansion all is set on two respect to one another of arms of lifting, lifting post 32 is used for being inserted in the hole for hoist of switching on/off handcart in lifting switching on/off handcart process, realizes lifting to switching on/off handcart with this.In order to adapt to the switching on/off handcart of various different models, lifting post 32 can arrange small one and large one two lifting posts simultaneously, is designated as respectively 32a and 32b among Fig. 1, in order to adapt to the switching on/off handcart with the hole for hoist of different pore size.
Is connected by the first transverse shifting driver train between each lifting arm 31 and first bracing frame 2, the first transverse shifting driver train lifts arm 3 along the surperficial transverse shifting of the first bracing frame 2 for driving.The first transverse shifting driver train can comprise that being positioned at the first-hand of the outside shakes handle 71, and an end is fixed on first-hand the inboard also along the first screw mandrel 72 that laterally inwardly extends of handle 71 that shake.First-handly shake handle 71 and be connected screw mandrel 72 and rotatably be connected with the first bracing frame 2, particularly, the first screw mandrel 72 near near one section the surface first-hand end that shakes handle 71 without screw thread, and the diameter of this section has the diameter of male thread portion less than other, the first screw mandrel 72 passes the through hole of the first inhibiting device 73 that is fixed on the first bracing frame 2 front surfaces, and the first inhibiting device 73 is enclosed within the first screw mandrel 72 without the outside of one section of outside thread, the aperture of the through hole of the first inhibiting device 73 and the first screw mandrel 72 adapt without the diameter of one section of outside thread, like this, because the restriction of the first inhibiting device 73, the first screw mandrel 72 and the first-hand handle 71 that shakes substantially can not transverse shiftings.The front of the first bracing frame 2 also is fixedly installed the first pilot bar 74 that the direction parallel with the bearing of trend of the first screw mandrel 72 extended.The two ends of the first pilot bar 74 can be separately fixed on two fixed mounts that stretch out from the front surface of the first bracing frame 2, and one of them fixed mount can be one-body molded with above-mentioned the first inhibiting device 73.Form the tapped bore 33 that matches with the first screw mandrel 72 on the lifting arm 31, also form the through hole 34 that matches with the first pilot bar 74.Like this, by the hand first-hand handle 71 that shakes, shake the first screw mandrel 72 that handle 71 is connected and rotate in the lump with first-hand, because the effect of the first inhibiting device 73, the first screw mandrel 72 only rotates and can transverse shifting, cooperation by the tapped bore 33 on the first screw mandrel 72 and the lifting arm 31, lifting arm 31 is laterally mobile under the directional tagging of the first pilot bar 74, thus by two first-hand handles that shake about shaking, about can realizing two the lifting arm between distance increase or dwindle, so that control lifting post is inserted in the hole for hoist of switching on/off handcart or shifts out from hole for hoist, thereby realize the lifting state and unload switching between the state.In addition, owing to the distance between the lifting arm can be adjusted flexibly, so can lift by crane the switching on/off handcart of various sizes.
The front of the second bracing frame 4 is provided with supporting mechanism 5, and support comprises two supporting guides 51 with regard to 5, and each supporting guide 51 comprises horizontal support section 511 and vertical restriction section 512, and vertically restriction section 512 is fixed on the outside of horizontal support section 511 and stretches upwards.Horizontal support section 511 is used for holding out the bottom of switching on/off handcart behind the lifting switching on/off handcart, in order to alleviate switching on/off handcart to the pulling force of lifting arm 31, increases the stability of lifting process.Vertically restriction section 512 is used for preventing that in long process apart from the transfer switch handcart switching on/off handcart from arbitrarily rocking.
Connect by the second transverse shifting driver train between each supporting guide 51 and the second bracing frame 4, the second transverse shifting driver train drives supporting guide 51 along the surperficial transverse shifting of the second bracing frame 4.
The second transverse shifting driver train can comprise that the second-hand who is positioned at the outside shakes that handle 81 and an end are fixed on that the second-hand shakes the inboard of handle 81 and along the second screw mandrel 82 that laterally inwardly extends.The second-hand shakes handle 81 and is connected screw mandrel 82 and rotatably is connected with the second bracing frame 4.Particularly, the second screw mandrel 82 shakes near the end of handle 81 one section surface without screw thread near second-hands, and the diameter of this section has the diameter of male thread portion less than other, the second screw mandrel 82 passes the through hole of the second inhibiting device 83 that is fixed on the second bracing frame 4 front surfaces, the second inhibiting device 83 is enclosed within the second screw mandrel 82 without the outside of one section of outside thread, the aperture of the through hole of the second inhibiting device 83 and the second screw mandrel 82 adapt without the diameter of one section of outside thread, owing to the restriction of the second inhibiting device 83, the second screw mandrel 82 and second-hand shake handle 81 substantially can not transverse shifting like this.The front of the second bracing frame 4 also is fixedly installed the second pilot bar 84 that the direction parallel with the bearing of trend of the second screw mandrel 82 extended.The two ends of the second pilot bar 84 can be separately fixed on two fixed mounts that stretch out from the front surface of the second bracing frame 4, and one of them fixed mount can be one-body molded with above-mentioned the second inhibiting device 83.Form the tapped bore 52 that matches with the second screw mandrel 82 on the supporting guide 51, also form the through hole 53 that matches with the second pilot bar 84.Like this, shake handle 81 by hand second-hand, shaking the second screw mandrel 82 that handle 81 is connected with the second-hand rotates in the lump, because the effect of the second inhibiting device 83, the second screw mandrel 82 only rotates and can transverse shifting, cooperation by the tapped bore 52 on the second screw mandrel 82 and the supporting guide 51, supporting guide 51 is laterally mobile under the directional tagging of the second pilot bar 84, thus, the increase of the distance about shaking handle 81 etchings and realize by two second-hands about shaking between two supporting guides 51 or dwindle is in order to adapt to the switching on/off handcart of different size.In addition, when needs are lifted switching on/off handcart to the ground, also can by increasing the distance between the supporting guide, reserve decline passway.
Fix an electric driving mechanism 6 at the rear portion of door type framework 1, this electric driving mechanism 6 is used for driving the driving screw mandrel 9 that vertical direction extends and an end passes electric driving mechanism 6 and moves up and down, and the other end that drives screw mandrel 9 is fixed with drawing mechanism 10.Two sprocket wheels (11a and 11b) are equipped with at the two ends, the left and right sides of drawing mechanism 10.On the upper beam 13 of door type framework 1, also fixedly mount two and decide sprocket wheel 12a and 12b.
In order to finish the lifting of switching on/off handcart or the operation of carrying off, also be provided with two chain 13a and 13b in the lifting table in the present embodiment.An end that is positioned at the chain 13a on the left side is fixed on a upper beam of type framework 1 13, the other end walk around successively respectively the sprocket wheel 11a of drawing mechanism 10 left ends from the below and walk around from the top be fixed on the type framework 1 be positioned at the left side decide sprocket wheel 12a, and to downward-extension, be fixed in successively first bracing frame 2 and the second bracing frame 4 that is positioned at the below of top.An end that is positioned at the chain 13b on the right is fixed on a upper beam of type framework 1 13, the other end is walked around respectively the sprocket wheel 11b of drawing mechanism 10 right-hand members successively from the below, and walk around from the top be fixed on the type framework 1 be positioned at the right decide sprocket wheel 12b, and to downward-extension, be fixed in successively first bracing frame 2 and the second bracing frame 4 that is positioned at the below of top.Two chain 13a and 13b cooperate with each sprocket wheel that it is walked around respectively.
Thus, when moving down by electric driving mechanism 6 driving screw mandrels 9, drawing mechanism 10 moves down in the lump, and correspondingly, chain 13a and 13b will drive the first bracing frame 2 and the second bracing frame 3 moves up.When moving up by electric driving mechanism 6 driving screw mandrels 9, drawing mechanism 10 moves up in the lump, correspondingly, the first bracing frame 2 and the second bracing frame 4 move down under the Action of Gravity Field of self, drive simultaneously a chain 13a and 13b end fixed thereon and stretch downwards, thereby the sprocket wheel that still can guarantee chain 13a and 13b and drawing mechanism 10 two ends closely cooperates.
In addition, in the bottom of door type framework 1 a horizontal anchor fitting 16 can also be set, horizontal anchor fitting 16 can prevent from switching on/off handcart is being carried out toppling in the hoisting process, thereby causes electricity-testing handcart and ground or the collision of other equipment.
In addition, also be fixed with at the rear portion of door type framework 1 and push away handle 17, after switching on/off handcart is lifted, check other positions with the handled easily personnel.
Below describe the working process of the lifting table that the embodiment of the invention provides in detail, might as well describe as an example of the process of switching on/off handcart being down to ground from eminence example.The lifting table that at first embodiment of the invention is provided is near the switching on/off handcart that is positioned at eminence, driving by electric driving mechanism, lift the position that post can insert the hole for hoist of switching on/off handcart so that the first bracing frame slides into, and the second bracing frame slides into so that supporting guide can be held the position of the bottom of switching on/off handcart.Operating personal shakes handle and the second-hand shakes handle by first-hand, and two lifting arms are moved to the position that the lifting post injects the hole for hoist of switching on/off handcart, two supporting guides is moved to the position at two base angles of holding the switching on/off handcart base.Finish thus the lifting action to switching on/off handcart.The afterwards driving by electric driving mechanism, so that the first bracing frame and the second bracing frame move downward, when will being subject to during to the bottom hindering, the second support movements can not continue to move downward, and because the chain between the first bracing frame and the second bracing frame is flexible, so the first bracing frame still can continue to move down, before the second bracing frame arrives to the bottom surface, with two supporting guides on the second bracing frame by manual rocking handle separately, so that switching on/off handcart can continue earthward landing the space between two supporting guides.When switching on/off handcart is also fallen the bottom surface, two on the first bracing frame lifting arms outwards can be removed, thereby be unloaded switching on/off handcart fully.So far finish switching on/off handcart is put operation to ground from eminence.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. the lifting table of a switching on/off handcart, it is characterized in that, comprise a type framework, be provided with the chute to inner opening about described door type framework in two frameworks, the two ends of the first bracing frame and the second bracing frame be inserted into described door type framework in interior chute, and can move up and down along chute, the first bracing frame is positioned at the top of the second bracing frame;
An electric driving mechanism is fixed at rear portion in door type framework, the driving screw mandrel that electric driving mechanism be used for to drive that vertical direction extends and an end passes electric driving mechanism moves up and down, the other end that drives screw mandrel is captiveed joint with drawing mechanism, the two ends, the left and right sides of described drawing mechanism are provided with two sprocket wheels, one end of two chains is fixed on a upper beam of type framework, the other end respectively successively from the below walk around drawing mechanism about two sprocket wheels, and walk around two of being fixed on the type framework from the top and decide sprocket wheel, and be fixed in successively the first bracing frame of top and be positioned at the second bracing frame of below to downward-extension;
The front of the first bracing frame is provided with derricking gear, and described derricking gear comprises two lifting arms, and the lifting post to horizontal expansion is set on two respect to one another of arms of lifting; Is connected by the first transverse shifting driver train between each lifting arm and first bracing frame, the first transverse shifting driver train lifts arm along the surperficial transverse shifting of the first bracing frame for driving;
The front of the second bracing frame is provided with supporting mechanism, and described supporting mechanism comprises two supporting guides, the vertical restriction section that each supporting guide comprises horizontal support section and stretches upwards from the horizontal support section outside; Be connected by the second transverse shifting driver train between each supporting guide and the second bracing frame, the second transverse shifting driver train is used for driving supporting guide along the surperficial transverse shifting of the second bracing frame.
2. the lifting table of switching on/off handcart according to claim 1, it is characterized in that, described the first transverse shifting driver train comprises the first-hand handle that shakes that is positioned at the outside, and one end to be fixed on the first-hand handle that shakes inboard and along the first screw mandrel that laterally inwardly extends, first-handly shake handle and be connected screw mandrel and rotatably be connected with the first bracing frame, the first bracing frame front also arranges the first pilot bar that extends along the direction parallel with the first screw mandrel bearing of trend;
Form the tapped bore that matches with the first screw mandrel on the lifting arm, and the through hole that matches with the first pilot bar.
3. the lifting table of switching on/off handcart according to claim 1, it is characterized in that, described the second transverse shifting driver train comprises that the second-hand who is positioned at the outside shakes handle and an end is fixed on the second screw mandrel that the second-hand shakes the handle inboard and laterally inwardly extends, the second-hand shakes handle and is connected screw mandrel and rotatably is connected with the second bracing frame, and the second bracing frame front also arranges the second pilot bar that extends along the direction parallel with the second screw mandrel bearing of trend;
Form the tapped bore that matches with the second screw mandrel and the through hole that matches with the second pilot bar on the supporting guide.
4. the lifting table of the described switching on/off handcart of any one in 3 according to claim 1 is characterized in that, also comprises being fixed on a horizontal anchor fitting of type framework bottom.
5. the lifting table of switching on/off handcart according to claim 4 is characterized in that, the rear portion of described door type framework with push away handle and fix.
CN 201110049722 2011-03-01 2011-03-01 Lifting platform for switching on/off handcart Active CN102145867B (en)

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Application Number Priority Date Filing Date Title
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CN102502456B (en) * 2011-11-14 2013-07-24 肖双喜 Manual lifting trolley for forking and lifting
CN103043564B (en) * 2012-12-26 2015-09-16 国家电网公司 A kind of 20kV switch transfer device
CN105070539B (en) * 2015-08-12 2018-10-26 安徽久力机械设备有限公司 Supporting rack
CN106629493B (en) * 2016-12-08 2018-12-18 泉州台商投资区新策软件开发有限公司 A kind of intelligence Handling device carried for satellite
CN108429174B (en) * 2018-05-13 2024-02-23 国网江苏省电力有限公司盐城供电分公司 Handcart overhauls platform
CN110445033A (en) * 2019-06-21 2019-11-12 常德三欣电力电子科技有限公司 A kind of movable outdoor distribution box equipment
CN114952565B (en) * 2022-05-25 2024-02-13 唐山晶玉科技股份有限公司 Feeding and sheave replacement device of multi-wire sawing machine

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