A kind of hoistable platform for electric equipment maintenance
Technical field
The present invention relates to electrical equipment technical field, a kind of hoistable platform for electric equipment maintenance.
Background technology
Power equipment mainly includes generating equipment and the big class of power supply unit two, generating equipment be mainly station boiler, steam turbine,
Gas turbine, the hydraulic turbine, electromotor, transformator etc., and power supply unit is mainly the transmission line of electricity of various electric pressure, mutual inductance
Device, catalyst etc..
Power equipment usual each a period of time will safeguard and overhaul, and existing maintenance mode is essentially all electrician to be passed through
Electric power maintenance vehicle jacking equipment or double ladder complete, and electric power maintenance vehicle carries out safeguarding and maintenance mode one operator of needs
Controlling jacking equipment on electric car, another operator keep in repair, this process operation complexity, length maintenance time, work
Inefficiency, and electric power maintenance vehicle often works and is also required to periodic maintenance, increases maintenance cost;And double ladder carry out safeguard and
Maintenance mode often occurs the phenomenon of shake during supporting, and rigid support poor performance, stability is poor, and adjustable height is not
Scalable, the scope of application is little.In consideration of it, be badly in need of one have simple to operate, rigid support performance is good, stability is good, rise
Fall height adjustable, the applied widely and power equipment Special lifting platform of work efficiency advantages of higher.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of hoistable platform for electric equipment maintenance, existing electricity can be solved
During power maintenance of equipment jacking equipment used exist operation complexity, rigid support poor performance, stability are poor, adjustable height can not
Adjust, the scope of application is little and the difficult problem such as inefficiency, and the present invention can realize the adjustable function of high degree of rigidity, and has operation letter
Just, rigid support performance is good, stability is good, applied widely and work efficiency advantages of higher.
To achieve these goals, the present invention realizes by the following technical solutions: a kind of lifting for electric equipment maintenance is put down
Platform, including fixed frame, described fixed frame includes fixed station, is symmetrically welded with four support panels outside the upper surface of fixed station,
The upper end of four support panels is welded with annular round platform, and support panel plays the effect supporting annular round platform, the middle part of annular round platform
It is provided with circular open;Four L-type support, the upper end of four L-type support it is symmetrically welded with inside the upper surface of described fixed station
Being provided with erecting bed by screw, four L-type support play installs and the effect of fixed installation platform, and the lower surface of erecting bed is passed through
Motor cabinet is provided with driving motor, drives the outfan of motor to be connected with drive shaft by shaft coupling, and axle is passed through in the lower end of drive shaft
Hold and be arranged on fixed station;The middle part of described drive shaft is provided with driving gear by key, drives gear to rise descending branch with four respectively
Chain is meshed, and by driving driven by motor drive shaft turns, drive shaft drives and drives pinion rotation, drives gear driven four to rise
Descending branch chain movement, described lifting side chain includes and the travelling gear driving gear to be meshed, and travelling gear is arranged on transmission by key
On axle, the lower end of power transmission shaft is arranged on fixed station by bearing, and the upper end of power transmission shaft is welded with leading screw, and the top of leading screw is passed through
Bearing is arranged on the lower surface of annular round platform, and the middle part of leading screw is provided with slide block by screw thread, and the outer wall of slide block is provided with straight line
Slide rail, the outer wall of line slide rail is arranged on support panel by screw, and line slide rail plays the function limiting slide block movement direction,
Make what slide block can be stable to move at leading screw;It is separately installed with four first on four slide block inwalls of described four lifting side chains
Side chain in parallel, the top of four first side chains in parallel is provided with operating board;Described first side chain in parallel includes being welded on slide block inwall
On an ear mount, by bearing pin, a number hydraulic cylinder is installed between an ear mount, the top of a hydraulic cylinder is installed by bearing pin
In No. two ear mount, No. two ear mount are arranged on the lower surface of operating board, a revolute pair R when ear mount rotates, a hydraulic cylinder
Revolute pair R when moving sets P time flexible rotates with No. two ear mount defines the first parallel connection side chain of RPR structure, fixed frame,
The first of four RPR structures side chain in parallel and operating board form 4-RPR parallel institution, and it is good, firm that parallel institution has dynamic response
Degree is high, bearing capacity big, good stability and kinematic accuracy advantages of higher, drives four first respectively also by four lifting side chains
Connection side chain makees elevating movement, drives the present invention to make elevating movement for the first time by operating board, carries out the bearing height of the present invention
Regulation for the first time, then four hydraulic cylinders on four first side chains in parallel start simultaneously at work, four hydraulic cylinder bands
Elevating movement made smoothly by dynamic operating board, drives the present invention to make second time elevating movement by operating board, and the support to the present invention is high
Degree has carried out second time regulation, and 4-RPR parallel institution makes the present invention for the first time by the advantage of parallel institution, for the second time
Remaining plateau in lifting process, stability is good, and rigid support performance is good;The upper surface of described operating board is along operation
Platform axis direction is evenly arranged with three second side chains in parallel, and three second side chain upper ends in parallel are arranged on support platform, support platform
Upper surface plate of standing is installed, the described second side chain in parallel includes No. three ear mount being welded on operating board upper surface, No. three ear mount
Between by bearing pin, No. two hydraulic cylinders are installed, the top of No. two hydraulic cylinders is arranged in No. four ear mount by bearing pin, No. four ear mount
It is arranged on the lower surface supporting platform, moving sets P when revolute pair R when No. three ear mount rotate, No. two hydraulic cylinder extensions and No. four
Revolute pair R when ear mount rotates defines the second side chain in parallel of RPR structure, operating board, three RPR second side chains in parallel with
Support platform and form 3-RPR parallel institution, parallel institution has that dynamic response is good, rigidity is high, bearing capacity is big, good stability and
Kinematic accuracy advantages of higher, time the most not high enough after regulating through first time, for the second time bearing height, three second in parallel
Three No. two hydraulic cylinders on side chain are started working, and three No. two hydraulic cylinders drive support platform to make elevating movement, by supporting platform band
The dynamic present invention makees third time elevating movement, the bearing height of the present invention has been carried out third time regulation, and 3-RPR parallel institution is borrowed
The advantage helping parallel institution makes the present invention remain plateau in third time lifting process, and stability is good, and rigidity is propped up
Support performance is good;The lower surface of described plate of standing is symmetrically installed with four expansion links, and the lower end of four expansion links is arranged on annular round platform
On, four expansion links play and limit stand the plate direction of motion and the function of supporting station riser;About the upper surface of described plate of standing two
Side and front side all uniform weldings have column, and the upper surface of all columns is welded with matrix and holds up frame, and operator sets at maintenance electric power
Standby is to have only to stand at plate of standing, and column and matrix hold up frame to play the function of protection operator's personal safety, prevent behaviour
Make the phenomenon accidentally dropped in workman's maintenance process;The lower surface of described fixed station is provided with base plate, and base plate is symmetrically arranged with four
Individual installing hole, is arranged on the present invention on operation ground by four installing holes on base plate.
As a preferred technical solution of the present invention, described fixed station, operating board and support platform are circular configuration, and fixing
The central axis of platform, operating board central axis with support platform central axis overlap mutually, by 4-RPR parallel institution,
The advantages such as the rigidity of 3-RPR parallel institution is high and stability is good can make fixed station, operating board, support platform remain all the time
It is parallel to each other, so that the present invention and can remain plateau during power equipment maintaining during lift adjustment, stable
Performance is good, and rigid support performance is good, is greatly improved work efficiency.
During work, first passing through on base plate four installing holes and the present invention be arranged on operation ground, then operator stands
Standing on plate, operator hand steered matrix hold up frame, after operator be ready, carry out for the first time altitude mixture control, drive
Motor is first started working, and drives driven by motor drive shaft turns, and drive shaft drives and drives pinion rotation, drives gear to pass through transmission
Gear driven four lifting chain movement, travelling gear first drives guide screw movement, and the rotational band movable slider of leading screw moves, and slide block exists
Drive first in parallel chain movement under the assisted movement of line slide rail, four first side chains in parallel thus drive operating board to make lifting fortune
Dynamic, drive the operator on plate that stands to make elevating movement for the first time by operating board, the bearing height of the present invention has been carried out the
Primary regulation;When after first time altitude mixture control, operator feels insufficient height, four on four first side chains in parallel
Number hydraulic cylinder starts simultaneously at work, and four hydraulic cylinders drive operating board to make elevating movement smoothly, drive station by operating board
Operator on riser makees second time elevating movement, and the bearing height of the present invention has been carried out second time regulation;When through second
When also feeling insufficient height after secondary altitude mixture control, three No. two hydraulic cylinders on three second side chains in parallel are started working, three
No. two hydraulic cylinders drive support platform to make elevating movement, drive the operator on plate that stands to make third time elevating movement by supporting platform,
The bearing height of the present invention has been carried out third time regulation;And due to fixed frame, the first side chain in parallel of four RPR structures and
Operating board defines 4-RPR parallel institution, and operating board, three RPR second side chains in parallel are in parallel with supporting platform formation 3-RPR
Mechanism, the present invention defines two-in-parallel mechanism, and the present invention has dynamically sound by 4-RPR parallel institution, 3-RPR parallel institution
Ying Hao, rigidity are high, bearing capacity big, good stability and kinematic accuracy advantages of higher make operator at lifting process and electric power
Plateau can be remained during maintenance of equipment, solve the behaviour that during existing electric equipment maintenance, jacking equipment used exists
Make complexity, rigid support poor performance, stability is poor, adjustable height is non-adjustable, the scope of application is little and the difficult problem such as inefficiency,
The present invention can realize the adjustable function of high degree of rigidity.
The invention has the beneficial effects as follows:
1, the present invention is by driving the planetary gears of four travelling gear motions of gear driven, thus drives four first parallel connections
Side chain is stable moving up and down on slide block, it is achieved thereby that the function of present invention lift in height regulation for the first time;
2, the present invention drives operating board to make lifting fortune smoothly by four hydraulic cylinders on four first side chains in parallel simultaneously
Dynamic, drive the operator stood on plate to make elevating movement by operating board, it is achieved thereby that present invention second time lift in height is adjusted
The function of joint;
3, the present invention drives support platform to make elevating movement by three No. two hydraulic cylinders on three second side chains in parallel simultaneously, passes through
Supporting platform drives the operator on plate that stands to make third time elevating movement, it is achieved thereby that present invention third time lift in height regulation
Function;
4, the fixed frame in the present invention, the first side chain in parallel of four RPR structures and operating board define 4-RPR parallel institution,
Operating board, three RPR second side chains in parallel form 3-RPR parallel institution with supporting platform, and the present invention defines two-in-parallel mechanism,
By 4-RPR parallel institution, 3-RPR parallel institution, the present invention has that dynamic response is good, rigidity is high, bearing capacity is big, stable
Property good and kinematic accuracy advantages of higher make operator can remain steady during lifting process and electric equipment maintenance
State;
5, the present invention solve operation complexity that jacking equipment used during existing electric equipment maintenance exists, rigid support poor performance,
Stability is poor, adjustable height is non-adjustable, the scope of application is little and the difficult problem such as inefficiency, it is achieved that the adjustable merit of high degree of rigidity
Can, and have easy and simple to handle, rigid support performance is good, stability is good, applied widely and work efficiency advantages of higher.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the full sectional view of the present invention;
Fig. 3 is that the A-A of Fig. 2 of the present invention is to sectional view;
Fig. 4 is operating board of the present invention, the second side chain in parallel and the structural representation supported between platform.
Specific embodiment
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with tool
Body illustrates, and the present invention is expanded on further.
As shown in Figures 1 to 4, a kind of hoistable platform for electric equipment maintenance, including fixed frame 1, described fixed frame
1 includes fixed station 11, is symmetrically welded with four support panels 12 outside the upper surface of fixed station 11, four support panels 12
Upper end is welded with annular round platform 13, and support panel 12 plays the effect supporting annular round platform 13, and the middle part of annular round platform 13 sets
It is equipped with circular open;Four L-type support 14, four L-type support 14 it are symmetrically welded with inside the upper surface of described fixed station 11
Upper end by screw erecting bed 15 is installed, four L-type support 14 play installs and the effect of fixed installation platform 15, installs
The lower surface of platform 15 is provided with driving motor 16 by motor cabinet, drives the outfan of motor 16 by shaft coupling and drive shaft 17
Being connected, the lower end of drive shaft 17 is arranged on fixed station 11 by bearing;The middle part of described drive shaft 17 is provided with by key drives
Moving gear 18, drives gear 18 to be meshed with four lifting side chains 19 respectively, by driving motor 16 to drive drive shaft 17 turns
Dynamic, drive shaft 17 drives and drives gear 18 to rotate, and drives gear 18 to drive four lifting side chains 19 to move, described liter of descending branch
Chain 19 includes and the travelling gear 191 driving gear 18 to be meshed, and travelling gear 191 is arranged on power transmission shaft 192 by key,
The lower end of power transmission shaft 192 is arranged on fixed station 11 by bearing, and the upper end of power transmission shaft 192 is welded with leading screw 193, leading screw 193
Top by bearing be arranged on annular round platform 13 lower surface, the middle part of leading screw 193 is provided with slide block 194 by screw thread, cunning
Being provided with line slide rail 195 on the outer wall of block 194, the outer wall of line slide rail 195 is arranged on support panel 12 by screw,
Line slide rail 195 plays the function limiting slide block 194 direction of motion so that what slide block 194 can be stable moves at leading screw 193;
Being separately installed with four first side chains 2 in parallel on four slide block 194 inwalls of described four lifting side chains 19, four first in parallel
The top of side chain 2 is provided with operating board 3;Described first side chain 2 in parallel includes the ear mount being welded on slide block 194 inwall
21, by bearing pin, a number hydraulic cylinder 22 is installed between an ear mount 21, the top of a hydraulic cylinder 22 is arranged on by bearing pin
In No. two ear mount 23, No. two ear mount 23 are arranged on the lower surface of operating board 3, revolute pair R when an ear mount 21 rotates,
It is first in parallel that revolute pair R when moving sets P when number hydraulic cylinder 22 stretches and No. two ear mount 23 rotate defines RPR structure
Side chain 2, the first of 1, four RPR structures of fixed frame side chain 2 in parallel and operating board 3 form 4-RPR parallel institution, in parallel
Mechanism has that dynamic response is good, rigidity is high, bearing capacity is big, good stability and kinematic accuracy advantages of higher, by four liftings
Side chain 119 drives four first side chains 2 in parallel to make elevating movement respectively, drives the present invention to make for the first time by operating board 3 and lifts
Motion, has carried out regulation for the first time, then four hydraulic pressure on four first side chains 2 in parallel to the bearing height of the present invention
Cylinder 22 starts simultaneously at work, and four hydraulic cylinders 22 drive operating board 3 to make elevating movement smoothly, are carried by operating board 3
The dynamic present invention makees second time elevating movement, the bearing height of the present invention has been carried out second time regulation, and 4-RPR parallel institution is borrowed
The advantage helping parallel institution makes the present invention remain plateau in first time, for the second time lifting process, and stability is good,
Rigid support performance is good;The upper surface of described operating board 3 is evenly arranged with three second side chains in parallel along operating board 3 axis direction
4, three second side chain 4 upper ends in parallel are arranged on support platform 5, support the upper surface of platform 5 and are provided with plate 6 of standing, and described the
Two side chains 4 in parallel include No. three ear mount 41 being welded on operating board 3 upper surface, are provided with by bearing pin between No. three ear mount 41
No. two hydraulic cylinders 42, the top of No. two hydraulic cylinders 42 is arranged in No. four ear mount 43 by bearing pin, and No. four ear mount 43 are arranged on
Support the lower surface of platform 5, revolute pair R when No. three ear mount 41 rotate, moving sets P and four time No. two hydraulic cylinders 42 stretch
Revolute pair R when number ear mount 43 rotates defines the second side chain 4 in parallel of RPR structure, and 3, three RPR second of operating board are also
Connection side chain 4 forms 3-RPR parallel institution with supporting platform 5, parallel institution has that dynamic response is good, rigidity is high, bearing capacity is big,
Good stability and kinematic accuracy advantages of higher, time the most not high enough after regulating through first time, for the second time bearing height, three
Three No. two hydraulic cylinders 42 on individual second side chain 4 in parallel are started working, and three No. two hydraulic cylinders 42 drive support platform 5 to rise
Fall motion, drives the present invention to make third time elevating movement by supporting platform 5, has carried out adjusting for the third time to the bearing height of the present invention
Joint, and 3-RPR parallel institution makes the present invention remain steady shape in third time lifting process by the advantage of parallel institution
State, stability is good, and rigid support performance is good;The described lower surface standing plate 6 is symmetrically installed with four expansion links 7, four
The lower end of expansion link 7 is arranged on annular round platform 13, and four expansion links 7 play restriction and stand plate 6 direction of motion and supported standing
The function of plate 6;The left and right sides, upper surface of described plate 6 of standing and front side all uniform weldings have a column 8, and all columns 8
Upper surface is welded with matrix and holds up frame 9, and operator is to have only to stand at plate 6 of standing at maintenance power equipment, column 8
Hold up frame 9 to play the function of protection operator's personal safety with matrix, prevent the phenomenon accidentally dropped in operator's maintenance process;
The lower surface of described fixed station 11 is provided with base plate 10, and base plate 10 is symmetrically arranged with four installing holes, by base plate 10
Four installing holes the present invention is arranged on operation ground on.
Described fixed station 11, operating board 3 and support platform 5 are circular configuration, and the central axis of fixed station 11, operating board 3
Central axis with support platform 5 central axis overlap mutually, by 4-RPR parallel institution, 3-RPR parallel institution firm
The advantages such as degree height is good with stability can make fixed station 11, operating board 3, support platform 5 remain and be parallel to each other all the time, from
And make the present invention during lift adjustment and plateau can be remained during power equipment maintaining, stability is good, rigidity
Support performance is good, is greatly improved work efficiency.
During work, first pass through on base plate 10 four installing holes and the present invention is arranged on operation ground, then operator station
Stand in and stand on plate 6, operator hand steered matrix hold up frame 9, after operator is ready, carry out for the first time altitude mixture control,
Driving motor 16 first to start working, drive motor 16 to drive drive shaft 17 to rotate, drive shaft 17 drives and drives gear 18 to rotate,
Driving gear 18 to drive four lifting side chains 19 to move by travelling gear 191, travelling gear 191 first drives leading screw 193 to transport
Dynamic, the rotational band movable slider 194 of leading screw 193 moves, and slide block 194 drives first also under the assisted movement of line slide rail 195
Connection side chain 2 moves, four first side chains 2 in parallel thus drive operating board 3 to make elevating movement, driven by operating board 3 and stand
Operator on plate 6 makees elevating movement for the first time, and the bearing height of the present invention has been carried out regulation for the first time;When first is second highest
When after degree regulation, operator feels insufficient height, four hydraulic cylinders 22 on four first side chains 2 in parallel start simultaneously at
Work, four hydraulic cylinders 22 drive operating board 3 to make elevating movement smoothly, are driven by operating board 3 and stand on plate 6
Operator makees second time elevating movement, and the bearing height of the present invention has been carried out second time regulation;When adjusting through second time height
When also feeling insufficient height after joint, three No. two hydraulic cylinders 42 on three second side chains 4 in parallel are started working, three No. two
Hydraulic cylinder 42 drives support platform 5 to make elevating movement, drives the operator on plate 6 that stands to make third time by support platform 5 and lifts
Motion, has carried out third time regulation to the bearing height of the present invention;And due to 1, four RPR structures of fixed frame first also
Connection side chain 2 and operating board 3 define 4-RPR parallel institution, and 3, three RPR of operating board second side chain 4 in parallel with support
Platform 5 forms 3-RPR parallel institution, and the present invention defines two-in-parallel mechanism, and the present invention is by 4-RPR parallel institution, 3-RPR
Parallel institution has that dynamic response is good, rigidity is high, bearing capacity is big, good stability and kinematic accuracy advantages of higher make operative employee
People can remain plateau during lifting process and electric equipment maintenance, solves existing electric equipment maintenance time institute
By operation complexity, the rigid support poor performance of jacking equipment existence, stability is poor, adjustable height is non-adjustable, the scope of application is little
With difficult problems such as inefficiencys, the present invention can realize the adjustable function of high degree of rigidity, has reached purpose.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry,
The present invention is not restricted to the described embodiments, the principle that the present invention is simply described of the description in above-described embodiment and description,
Without departing from the spirit and scope, the present invention also has various changes and modifications, and these changes and improvements both fall within
In scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.