CN201962030U - Lifting platform for switching handcart - Google Patents

Lifting platform for switching handcart Download PDF

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Publication number
CN201962030U
CN201962030U CN2011200523627U CN201120052362U CN201962030U CN 201962030 U CN201962030 U CN 201962030U CN 2011200523627 U CN2011200523627 U CN 2011200523627U CN 201120052362 U CN201120052362 U CN 201120052362U CN 201962030 U CN201962030 U CN 201962030U
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CN
China
Prior art keywords
bracing frame
screw mandrel
fixed
lifting
type framework
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011200523627U
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Chinese (zh)
Inventor
宋敬峰
俞沛宙
汤栋
李光军
张彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINZHOU POWER SUPPLY BUREAU NINGBO
Original Assignee
JINZHOU POWER SUPPLY BUREAU NINGBO
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Priority to CN2011200523627U priority Critical patent/CN201962030U/en
Application granted granted Critical
Publication of CN201962030U publication Critical patent/CN201962030U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a lifting platform for a switching handcart, which comprises a portal frame body; two ends of a first support frame and two ends of a second support frame are inserted in inward chutes of the portal frame body, and can move up and down along the chutes; a motor drive mechanism is fixed at the rear part of the portal frame body, and is used for driving a drive screw rod to move up and down; the drive screw rod extends in the vertical direction; one end of the drive screw rod passes through the motor drive mechanism; the other end of the drive screw rod is fixedly connected with a drawing mechanism; two sprocket wheels are arranged at the left end and the right end of the drawing mechanism respectively; ends of two chains are fixed on an upper beam of the portal frame body; the other ends of the two chains bypass the left and the right sprocket wheels of the drawing mechanism from the lower part of the upper beam in sequence, bypass two fixed sprocket wheels on the portal frame body in sequence from the upper part of the upper beam, extend downward and are fixed on the upper first support frame and the lower second support frame in sequence; a hoisting mechanism is arranged before the first support frame; and a supporting mechanism is arranged before the second support frame.

Description

A kind of lifting table of switch handcart
Technical field
The utility model belongs to field of power, relates in particular to the switch handcart lifting table of the intermediate switchgear cabinet of a kind of 10Kv of being applied to.
Background technology
The mid-switch cubicle of 10KV is widely applied in electric system, need to use the switch handcart in the operation to mid-switch cubicle, but the weight of switch handcart generally reaches 300-400kg.The jacking system of existing switch handcart is because the design-calculated reason can not be reduced to ground with the switch handcart in switch cubicle, when the switch handcart arrives position apart from ground 5-10 centimetre, need manually the switch handcart to be carried off, because switch handcart volume is big, Heavy Weight, so need 5-6 name personnel to pull together jointly just can finish the switch handcart is lifted to ground-surface operation, whole process wastes time and energy.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of lifting table of switch handcart, can the switch handcart be reduced to lower from eminence time saving and energy savingly.
For achieving the above object, an embodiment of the present utility model provides a kind of lifting table of switch handcart, it is characterized in that, comprise a type framework, be provided with chute about described door type framework in two frameworks to inner opening, the two ends of first bracing frame and second bracing frame are inserted into described door type framework in interior chute, and can move up and down along chute, and first bracing frame is positioned at the top of second bracing frame;
An electric driving mechanism is fixed at rear portion in door type framework, electric driving mechanism is used to drive the driving screw mandrel that vertical direction extends and an end passes electric driving mechanism and 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 extension downwards is fixed in first bracing frame of top successively and is positioned at second bracing frame of below;
The front of first bracing frame is provided with derricking gear, and described derricking gear comprises two lifting arms, and the lifting post to horizontal extension is set on two respect to one another of arms of lifting; Be connected by the first side travel driver train between each lifting arm and first bracing frame, the first side travel driver train is used to drive and lifts the surperficial side travel of arm along first bracing frame;
The front of second bracing frame is provided with supporting mechanism, and described supporting mechanism comprises two supporting guides, and each supporting guide comprises Horizontal Branch support part and the vertical restrictions that stretches from lateral, Horizontal Branch support part; Be connected by the second side travel driver train between each supporting guide and second bracing frame, the second side travel driver train is used to drive the surperficial side travel of supporting guide along second bracing frame.
Preferably, the described first side travel 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 first screw mandrel that laterally inwardly extends, the first-hand handle that shakes rotatably is connected with first bracing frame with first screw mandrel, and the first bracing frame front also is provided with first pilot bar that extends along the parallel direction of the first screw mandrel bearing of trend;
Form the tapped bore that matches with first screw mandrel on the lifting arm, and the through hole that matches with first pilot bar.
Preferably, the described second side travel driver train comprises that the second-hand who is positioned at the outside shakes handle and an end is fixed on second screw mandrel that the second-hand shakes the handle inboard and laterally inwardly extends, the second-hand shakes handle and rotatably is connected with second bracing frame with second screw mandrel, and the second bracing frame front also is provided with along second pilot bar of the parallel direction flying formation of geese of the second screw mandrel bearing of trend;
Form tapped bore that matches with second screw mandrel and the through hole that matches with second pilot bar on the supporting guide.
Preferably, also comprise a horizontal fixed device 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 utility model embodiment provides can lift by crane the switch handcart time saving and energy savingly from eminence, and reduces to ground.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the axonometric drawing of an embodiment of the lifting table of the switch handcart that provides of the utility model;
Fig. 2 is the right elevation of the switch handcart lifting table among Fig. 1.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the axonometric drawing of an embodiment of the lifting table of the switch handcart that provides of the utility model; Fig. 2 is the right elevation of the switch handcart lifting table among Fig. 1.
Please be simultaneously referring to Fig. 1 and Fig. 2, the switch 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 switch 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 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 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.First bracing frame 2 is positioned at the top of second bracing frame 4.
The front of first bracing frame 2 is provided with derricking gear 3, and derricking gear 3 has been used for the pendent switch handcart to finish the action of bringing up to or carrying off to the switch 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 extension 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 switch handcart playing a pendent switch handcart process, realizes lifting to the switch handcart with this.In order to adapt to the switch handcart of various different models, lifting post 32 can be provided with small one and large one two lifting posts simultaneously, is designated as 32a and 32b among Fig. 1 respectively, so that adapt to the switch handcart of the hole for hoist that has different apertures.
Be connected by the first side travel driver train between each lifting arm 31 and first bracing frame 2, the first side travel driver train is used to drive and lifts the surperficial side travel of arm 3 along first bracing frame 2.The first side travel 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 first screw mandrel 72 that laterally inwardly extends of handle 71 that shake.The first-hand handle 71 that shakes rotatably is connected with first bracing frame 2 with first screw mandrel 72, particularly, first screw mandrel 72 is not threaded near near one section the surface first-hand end that shakes handle 71, and the diameter of this section has the diameter of male thread portion less than other, first screw mandrel 72 passes the through hole of first inhibiting device 73 that is fixed on first bracing frame, 2 front surfaces, and first inhibiting device 73 is enclosed within the outside that first screw mandrel 72 does not have one section of outside thread, the diameter that the aperture of the through hole of first inhibiting device 73 and first screw mandrel 72 do not have one section of outside thread adapts, like this, because the restriction of first inhibiting device 73, first screw mandrel 72 and the first-hand handle 71 that shakes substantially can not side travels.The front of first bracing frame 2 also fixedly installs first pilot bar 74 that the direction parallel with the bearing of trend of first screw mandrel 72 extended.The two ends of first pilot bar 74 can be separately fixed on two fixed mounts that stretch out from the front surface of first bracing frame 2, and one of them fixed mount can be one-body molded with above-mentioned first inhibiting device 73.Form the tapped bore 33 that matches with first screw mandrel 72 on the lifting arm 31, also form the through hole 34 that matches with first pilot bar 74.Like this, by the hand first-hand handle 71 that shakes, rotate in the lump with first-hand handle 71 bonded assemblys first screw mandrel 72 that shakes, because the effect of first inhibiting device 73, first screw mandrel 72 only rotates and can side travel, cooperation by the tapped bore 33 on first screw mandrel 72 and the lifting arm 31, lifting arm 31 side travel under the directional tagging of 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 switch 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 switch handcart of various sizes.
The front of 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 Branch support part 511 and vertical restrictions 512, and vertically restrictions 512 is fixed on the outside of Horizontal Branch support part 511 and stretches upwards.Horizontal Branch support part 511 is used for holding out the bottom of switch handcart after playing the pendent switch handcart, so that alleviate the pulling force of switch handcart to lifting arm 31, increases the stability of lifting process.Vertically restrictions 512 is used for preventing that in long process apart from the transfer switch handcart switch handcart from arbitrarily rocking.
Connect by the second side travel driver train between each supporting guide 51 and second bracing frame 4, the second side travel drive mechanism supporting guide 51 is along the surperficial side travel of second bracing frame 4.
The second side travel 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 second screw mandrel 82 that laterally inwardly extends.The second-hand shakes handle 81 and rotatably is connected with second bracing frame 4 with second screw mandrel 82.Particularly, second screw mandrel 82 shakes near the end of handle 81 one section surface and is not threaded near second-hands, and the diameter of this section has the diameter of male thread portion less than other, second screw mandrel 82 passes the through hole of second inhibiting device 83 that is fixed on second bracing frame, 4 front surfaces, second inhibiting device 83 is enclosed within the outside that second screw mandrel 82 does not have one section of outside thread, the diameter that the aperture of the through hole of second inhibiting device 83 and second screw mandrel 82 do not have one section of outside thread adapts, owing to the restriction of second inhibiting device 83, second screw mandrel 82 and second-hand shake handle 81 substantially can not side travel like this.The front of second bracing frame 4 also fixedly installs second pilot bar 84 that the direction parallel with the bearing of trend of second screw mandrel 82 extended.The two ends of second pilot bar 84 can be separately fixed on two fixed mounts that stretch out from the front surface of second bracing frame 4, and one of them fixed mount can be one-body molded with above-mentioned second inhibiting device 83.Form the tapped bore 52 that matches with second screw mandrel 82 on the supporting guide 51, also form the through hole 53 that matches with second pilot bar 84.Like this, shake handle 81 by hand second-hand, shaking handle 81 bonded assemblys second screw mandrel 82 with the second-hand rotates in the lump, because the effect of second inhibiting device 83, second screw mandrel 82 only rotates and can side travel, cooperation by the tapped bore 52 on second screw mandrel 82 and the supporting guide 51, supporting guide 51 is side travel under the directional tagging of 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 so that adapt to the switch handcart of different size.In addition, when needs are lifted the switch handcart to the ground, also can reserve decline passway by increasing the distance between the supporting guide.
Fix an electric driving mechanism 6 at the rear portion of door type framework 1, this electric driving mechanism 6 is used to drive 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, also be provided with two chain 13a and 13b in the lifting table in the present embodiment to the lifting of switch handcart or the operation of carrying off.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 the sprocket wheel 11a of drawing mechanism 10 left ends respectively successively 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 extend downwards, be fixed in first bracing frame 2 and second bracing frame 4 that is positioned at the below of top successively.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 the sprocket wheel 11b of drawing mechanism 10 right-hand members respectively 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 extend downwards, be fixed in first bracing frame 2 and second bracing frame 4 that is positioned at the below of top successively.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 first bracing frame 2 and 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, first bracing frame 2 and second bracing frame 4 move down under the action of gravity of self, drive a chain 13a and 13b end fixed thereon simultaneously 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 fixed device 16 can also be set, horizontal fixed device 16 can prevent from the switch handcart is being carried out toppling in the hoisting process, thereby causes electrical verification 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 the switch handcart is lifted, check other positions with the handled easily personnel.
Below describing the working process of the lifting table that the utility model embodiment provides in detail, might as well be that example describes so that the switch handcart is reduced to ground-surface process from eminence.At first the lifting table that the utility model embodiment is provided is near the switch handcart that is positioned at eminence, driving by electric driving mechanism, the bracing frame of winning is slid into make the position that the lifting post can insert the hole for hoist of switch handcart, and second bracing frame slides into and makes supporting guide can hold the position of the bottom of switch 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 switch handcart, two supporting guides is moved to the position at two base angles of holding switch handcart base.Finish lifting action thus to the switch handcart.Driving by electric driving mechanism afterwards, win bracing frame and second bracing frame are moved downward, when will being subjected to during to the bottom hindering, second support movements can not continue to move downward, and because the chain between first bracing frame and second bracing frame is flexible, so first bracing frame still can continue to move down, before second bracing frame arrives to the bottom surface, with two supporting guides on second bracing frame separately, make the switch handcart can from the space between two supporting guides, continue landing earthward by manual rocking handle.When the switch handcart is also fallen the bottom surface, two on first bracing frame lifting arms outwards can be removed, thereby be unloaded the switch handcart fully.So far finish the switch handcart is put to ground-surface operation from eminence.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. the lifting table of a switch handcart, it is characterized in that, comprise a type framework, be provided with chute about described door type framework in two frameworks to inner opening, the two ends of first bracing frame and second bracing frame are inserted into described door type framework in interior chute, and can move up and down along chute, first bracing frame is positioned at the top of second bracing frame;
An electric driving mechanism is fixed at rear portion in door type framework, electric driving mechanism is used to drive the driving screw mandrel that vertical direction extends and an end passes electric driving mechanism and 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 extension downwards is fixed in first bracing frame of top successively and is positioned at second bracing frame of below;
The front of first bracing frame is provided with derricking gear, and described derricking gear comprises two lifting arms, and the lifting post to horizontal extension is set on two respect to one another of arms of lifting; Be connected by the first side travel driver train between each lifting arm and first bracing frame, the first side travel driver train is used to drive and lifts the surperficial side travel of arm along first bracing frame;
The front of second bracing frame is provided with supporting mechanism, and described supporting mechanism comprises two supporting guides, and each supporting guide comprises Horizontal Branch support part and the vertical restrictions that stretches from lateral, Horizontal Branch support part; Be connected by the second side travel driver train between each supporting guide and second bracing frame, the second side travel driver train is used to drive the surperficial side travel of supporting guide along second bracing frame.
2. the lifting table of switch handcart according to claim 1, it is characterized in that, the described first side travel 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 first screw mandrel that laterally inwardly extends, the first-hand handle that shakes rotatably is connected with first bracing frame with first screw mandrel, and the first bracing frame front also is provided with first pilot bar that extends along the parallel direction of the first screw mandrel bearing of trend;
Form the tapped bore that matches with first screw mandrel on the lifting arm, and the through hole that matches with first pilot bar.
3. the lifting table of switch handcart according to claim 1, it is characterized in that, the described second side travel driver train comprises that the second-hand who is positioned at the outside shakes handle and an end is fixed on second screw mandrel that the second-hand shakes the handle inboard and laterally inwardly extends, the second-hand shakes handle and rotatably is connected with second bracing frame with second screw mandrel, and the second bracing frame front also is provided with along second pilot bar of the parallel direction flying formation of geese of the second screw mandrel bearing of trend;
Form tapped bore that matches with second screw mandrel and the through hole that matches with second pilot bar on the supporting guide.
4. according to the lifting table of any described switch handcart in the claim 1 to 3, it is characterized in that, also comprise being fixed on a horizontal fixed device of type framework bottom.
5. the lifting table of switch handcart according to claim 4 is characterized in that, the rear portion of described door type framework with push away handle and fix.
CN2011200523627U 2011-03-01 2011-03-01 Lifting platform for switching handcart Expired - Lifetime CN201962030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200523627U CN201962030U (en) 2011-03-01 2011-03-01 Lifting platform for switching handcart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200523627U CN201962030U (en) 2011-03-01 2011-03-01 Lifting platform for switching handcart

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CN201962030U true CN201962030U (en) 2011-09-07

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Application Number Title Priority Date Filing Date
CN2011200523627U Expired - Lifetime CN201962030U (en) 2011-03-01 2011-03-01 Lifting platform for switching handcart

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145867A (en) * 2011-03-01 2011-08-10 宁波市鄞州供电局 Lifting platform for switching on/off handcart
CN103802914A (en) * 2013-09-17 2014-05-21 浙江吉利控股集团有限公司 Lifting device for accompanying assembly of rear travellers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145867A (en) * 2011-03-01 2011-08-10 宁波市鄞州供电局 Lifting platform for switching on/off handcart
CN102145867B (en) * 2011-03-01 2013-01-02 宁波市鄞州供电局 Lifting platform for switching on/off handcart
CN103802914A (en) * 2013-09-17 2014-05-21 浙江吉利控股集团有限公司 Lifting device for accompanying assembly of rear travellers
CN103802914B (en) * 2013-09-17 2016-02-03 浙江吉利控股集团有限公司 Rear traveller retinue assembling lifting device

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