CN105523473B - The crane trolley of easy access - Google Patents
The crane trolley of easy access Download PDFInfo
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- CN105523473B CN105523473B CN201410510549.5A CN201410510549A CN105523473B CN 105523473 B CN105523473 B CN 105523473B CN 201410510549 A CN201410510549 A CN 201410510549A CN 105523473 B CN105523473 B CN 105523473B
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Abstract
The invention discloses a kind of crane trolley of easy access, the movable maintenance platform arranged on trolley, car frame include two walking beams and spandrel girder of I shape setting；Reel two ends are separately positioned in two reel fixed seats；Dedicated monitoring device includes the installing rack being made up of canned paragraph and horizontal segment, and drive sprocket, driven sprocket and chain are provided with horizontal segment, is fixed with and moves horizontally platform on chain, moves horizontally platform and is rotatably connected in rotary moving；The present invention can carry out trolley production by modularization assembling mode, have the advantages that simple structure, pad it is few, from heavy and light, while welding position effectively can be reduced, it is to avoid due to the trolley vehicle wheel line error that welding deformation causes it is excessive；Can also complete have undeformed or crackle or driving wheel and the working condition of driven pulley to carry out monitor in real time to girder surface using video camera, while improving overhaul efficiency.
Description
Technical field
The present invention relates to a kind of crane trolley, more particularly to a kind of crane trolley of easy access.
Background technology
Trolley is a part for crane span structure type crane, and trolley is laterally run along the girder being laid on crane span structure,
Crane span structure space below handling material can be made full use of, is not hindered by ground installation, is widely used in indoor and outdoor warehouse, factory
Room, harbour and outdoor yard etc., existing bridge crane is used mostly trolley and realizes transverse shifting.And using
During, as the height that trolley sets up is higher, the working condition of trolley is difficult to realize monitor in real time.Existing
In the service work of trolley, totally enclosed modularization dolly is not implemented especially for some and (is not provided with wheelhouse portions
Trolley), need working condition for having undeformed or crackle, driving wheel and driven pulley to girder surface etc. to observe.
Existing repair method be typically maintainer climb up both sides it is overhead on end carriage, then climb up the maintenance platform of trolley and examined
Repair, there is security risk, overhaul efficiency is relatively low；Meanwhile, existing trolley maintenance platform is mostly fixedly mounted, and is taken up room.
And existing trolley, totally enclosed modularization dolly is particularly not implemented, is fully able to directly pass through visual observations girder
There is the working condition of undeformed or crackle or driving wheel and driven pulley on surface.
The content of the invention
It is an object of the invention to provide a kind of crane trolley of easy access, can be by modularization assembling mode
Carry out trolley production, improve production efficiency, have the advantages that simple structure, pad it is few, from heavy and light, effectively reduce welding
Position, it is to avoid due to the trolley vehicle wheel line error that welding deformation causes it is excessive, meanwhile, using movable inspection platform,
Reduction takes up room；The present invention can also carry out the regulation of position, angle and the height of video camera according to actual monitored demand, real
Now there are undeformed or crackle or driving wheel and the working condition of driven pulley to carry out monitor in real time to girder surface, while improving maintenance
Efficiency.
The present invention adopts following technical proposals：
The crane trolley of easy access, including trolley and the special monitoring that is arranged on trolley set
It is standby；Described trolley includes car frame and the elevator module being arranged in car frame, walking module and activity maintenance
Platform, car frame include two walking beams be arrangeding in parallel, have been bolted spandrel girder in the middle part of two walking beams, two
Walking beam and spandrel girder are arranged in I shape, and fixed pulley group is provided with spandrel girder；Elevator module includes two sets of hoisting mechanisms, two
Set hoisting mechanism is separately positioned on spandrel girder both sides, and often covering hoisting mechanism includes reel and be arranged on the raising electricity of reel one end
Machine, is provided with steel wire rope in reel, suspension hook is provided with steel wire rope, and reel two ends are separately positioned in two reel fixed seats,
Two reel fixed seats are bolted on two walking beam upper surfaces be arrangeding in parallel respectively；Walking module includes moving trolley
Wheel group, operation motor and operation reductor, running wheel group include the driven wheel group being made up of two driven wheels and by two
The adhesion wheel group of individual adhesion wheel composition, two driven wheels are separately positioned on table on the outside of two walking beams of spandrel girder side
Face, two adhesion wheels are separately positioned on two walking beam outer surfaces of spandrel girder opposite side, are provided with adhesion wheel side
Two walking beam ends be respectively arranged with operation motor and operation reductor, two groups of operation motors are respectively by running reductor
Drive two adhesion wheels；Described movable maintenance platform is made up of backboard, base plate and two side plates, and side plate includes that C-shaped is held
Support plate, base plate supporting plate and backboard supporting plate composition, the bottom of C-shaped loading plate are fixed with one end of base plate supporting plate, base plate supporting plate
The lower end of the other end and backboard supporting plate fix, the two ends of base plate are separately fixed on two base plate supporting plates, the two of backboard
End is separately fixed on two backboard supporting plates, and two lifting motors in two sets of hoisting mechanisms are arranged at the same of two reels
Side, in two side plates, the upper end of C-shaped loading plate is hinged with two end faces of the walking beam of two reel opposite sides or so respectively；
Described dedicated monitoring device includes the installing rack being arranged between two parallel walking beams, described installing rack
Including the horizontal segment of two canned paragraphs of two canned paragraphs and connection, canned paragraph is made up of connecting rod and inverted U-shaped buckle, U-shaped
Buckle is located on walking beam, and one end of connecting rod is fixed on the horizontal ends of U-shaped buckle, the other end and the horizontal segment of connecting rod
End bottom surface is fixed；Horizontal segment includes hollow rectangular housing, and the upper surface of housing is provided with rectangle perforate, two in housing
End is respectively arranged with drive sprocket and driven sprocket, and chain is provided between drive sprocket and driven sprocket, and drive sprocket is by water
The dynamic Motor drive of translation, is fixed with chain and moves horizontally platform, moves horizontally platform side-to-side movement in the rectangle perforate；Level is moved
Bearing block is provided with dynamic platform, bearing in bearing block, is provided with, outer ring and the bearing block of bearing are fixed, the inner ring and bull stick of bearing
Bottom fix, the top of bull stick is fixed with rotary moving, and bull stick outer ring is arranged with rotate gear, moves horizontally
Motor in rotary moving is equipped with, the output end of motor in rotary moving is provided with driving gear, and driving gear is engaged with rotate gear；Rotation
Turn to be provided with two motor mounting grooves being located along the same line in mobile station, in two motor mounting grooves, be respectively fixed with first
Linear stepping motor and second straight line stepper motor, the movable end of two linear stepping motors respectively with the afterbody of video camera and in
Portion is hinged；Move horizontally the control signal of motor, motor in rotary moving, first straight line stepper motor and second straight line stepper motor
Input connects hand-held joystick by wire respectively；The signal output part of video camera is connected to display by signal transmssion line
Screen.
The described motor that moves horizontally adopts clockwise and anticlockwise motor, motor in rotary moving to adopt step-by-step movement electric rotating machine.
The described left and right sides surface for moving horizontally platform is provided with buffering stop device, described buffering stop device bag
The buffering stop device case consistent with platform left and right sides surface size is moved horizontally is included, buffering stop device case adopts level
The hollow rectangle housing for arranging, buffering stop device case surface offer two circular opens, in each circular open
Bumper post made by yielding rubber is provided with, the front end of bumper post protrudes from buffering stop device case by circular open,
Annular stop plate is provided with the middle part of bumper post, annular stop plate is located in buffering stop device case, after the afterbody of bumper post
Side is fixed with the buffer spring being arranged in buffering stop device case, both sides inner surface before and after buffering inside stop device case
It is respectively arranged with button switch, button switch is shaped as triangle, the parallel circuit of two button switch compositions, buffering stop
The parallel circuit of relay coil and time relay coil composition is connected with power module, buffers the normally closed of drive stopping relay and touches
The parallel circuit in series that the normally opened contact of point and the time relay is constituted is on motor feed circuit is moved horizontally.
Fastening bolt is provided with described U-shaped buckle.
The diameter of described driving gear is less than rotate gear diameter.
The present invention crosses and modular elevator module and walking module is arranged on the car frame being bolted to connection
On, trolley production can be carried out by modularization assembling mode, improve production efficiency, with simple structure, pad it is few,
From the advantage of heavy and light, while welding position effectively can be reduced, it is to avoid due to the trolley vehicle wheel line that welding deformation causes
Error is excessive.Elevator module and walking module are set directly on two walking beams, and the stress that can improve car frame is put down
, extend the service life of trolley；The movable maintenance platform arranged on trolley, can be suitable for tight in some structures
Gather, inconvenience or the trolley used in the space of maintenance platform, save space cannot be arranged；The present invention is additionally provided with special prison
Control equipment, can be with moving horizontally motor, motor in rotary moving, first straight line stepper motor and second straight line step motor control
The regulation of camera position, angle and height, and complete to whether there is girder surface by the respective outer side edges video camera of particular design
The working condition of deformation or crackle or driving wheel and driven pulley carries out monitor in real time, while improving overhaul efficiency.
Description of the drawings
Fig. 1 is the structural representation of trolley of the present invention；
Fig. 2 is structural representation when movable maintenance platform puts down；
Fig. 3 is structural representation when movable maintenance platform is packed up；
Structural representations of the Fig. 4 for dedicated monitoring device；
Fig. 5 is the structural representation for moving horizontally platform；
Fig. 6 is the overlooking the structure diagram for buffering stop device；
Fig. 7 is the connection circuit diagram of button switch, buffering drive stopping relay coil and time relay coil；
Fig. 8 is to move horizontally motor feed circuit control schematic diagram.
Specific embodiment
As shown in Figures 1 to 8, the crane trolley of easy access of the present invention, including trolley and set
Put the dedicated monitoring device on trolley.
Described trolley includes car frame and the elevator module, walking module and the activity that are arranged in car frame
Maintenance platform, described car frame include two walking beams 25 be arrangeding in parallel, solid by bolt in the middle part of two walking beams 25
Surely there are spandrel girder 26, two walking beams 25 and spandrel girder 26 to arrange in I shape, two walking beams 25 and load-bearing can either be ensured
The reliability and versatility of the connection of beam 26, while welding position effectively can also be reduced, it is to avoid as welding deformation causes lifting
The excessive phenomenon of car wheel wheel line error.Fixed pulley group 27 is provided with spandrel girder 26.Elevator module includes two sets of hoist engines
Structure, two sets of hoisting mechanisms are separately positioned on 26 both sides of spandrel girder, and often covering hoisting mechanism includes reel 28 and be arranged on reel 28
The lifting motor 29 of one end, is provided with steel wire rope in reel 28, and suspension hook is provided with steel wire rope, and 28 two ends of reel pass through spiral shell respectively
Bolt is arranged in two reel fixed seats 30, and two reel fixed seats 30 are bolted on two rows be arrangeding in parallel respectively
Walk 25 upper surface of beam.Walking module include running wheel group, operation motor 31 and operation reductor 32, running wheel group include by
The driven wheel group and the adhesion wheel group being made up of two adhesion wheels of two driven wheel compositions, two driven wheel difference
Two 25 outer surfaces of walking beam of 26 side of spandrel girder are arranged on, two adhesion wheels are separately positioned on 26 opposite side of spandrel girder
Two 25 outer surfaces of walking beam, two 25 ends of walking beam for being provided with adhesion wheel side are respectively arranged with operation motor
31 drive two adhesion wheels by running reductor 32 respectively with operation reductor 32, two groups of operation motors 31.
By modular elevator module and walking module are arranged in the car frame being bolted to connection, energy
It is enough that trolley production is carried out by modularization assembling mode, improve production efficiency, with simple structure, pad be few, deadweight
Light advantage, while welding position effectively can be reduced, it is to avoid due to the trolley vehicle wheel line error that welding deformation causes
It is excessive.Meanwhile, elevator module and walking module are set directly on two walking beams 25, can improve the stress of car frame
Averagely, extend the service life of trolley.
Consider some compact conformations, inconvenience or the use space of maintenance platform cannot be arranged, the present invention is additionally provided with activity
Maintenance platform, described movable maintenance platform are made up of backboard, base plate and two side plates, and side plate includes C-shaped loading plate 33, bottom
Plate supporting plate 34 and backboard supporting plate 35 are constituted, and the bottom 36 of C-shaped loading plate 33 is fixed with one end of base plate supporting plate 34, bottom plate support
The lower end of the other end of plate 34 and backboard supporting plate 35 is fixed, and the two ends of base plate are separately fixed on two base plate supporting plates 34, after
The two ends of baffle plate are separately fixed on two backboard supporting plates 35, and two lifting motors 29 in two sets of hoisting mechanisms are arranged at two
The same side of individual reel 28, the upper end 37 of C-shaped loading plate 33 walking respectively with two 28 opposite sides of reel in two side plates
25 or so two end faces of beam are hinged.For the ease of being fixed to the movable maintenance platform under different conditions, C-shaped loading plate 33
Middle part is provided with locating piece 38, is provided with C-shaped loading plate pin-and-hole 39, when base plate supporting plate 34 is horizontally situated on locating piece 38
And base plate supporting plate 34 be located at vertical position when, at two 25 endface positions of walking beam corresponding with C-shaped loading plate pin-and-hole 39
Offer two walking beam end face pin holes.When need to put down movable maintenance platform overhauled when, it is only necessary to 90 ° of rotate counterclockwise,
Base plate supporting plate 34 is horizontally situated, you can carry out the use of movable maintenance platform；Enter when movable maintenance platform need not be put down
During row maintenance, it is only necessary to turn clockwise 90 °, base plate supporting plate 34 is made to be located at vertical position, you can to pack up movable maintenance platform.The bottom of at
When plate supporting plate 34 is horizontally situated or when base plate supporting plate 34 is located at vertical position, it is only necessary to be inserted into corresponding C-shaped using pin
In loading plate pin-and-hole 39 and walking beam end face pin hole, you can the fixation of realization activity maintenance platform position.
Described dedicated monitoring device includes the crane trolley of easy access, including being arranged on two parallel rows
The installing rack between beam 25 is walked, described installing rack includes the horizontal segment 1 of two canned paragraphs of two canned paragraphs and connection, canned paragraph
It is made up of connecting rod 2 and inverted U-shaped buckle 3, U-shaped buckle 3 is located on walking beam, versatility is high, can be by dismantling peace
Dress is used on multiple stage crane span structure type crane trolley respectively.Fastening bolt 4 is additionally provided with U-shaped buckle 3, can be further
Ensure that the position between installing rack and walking beam is fixed.One end of connecting rod 2 is fixed on the horizontal ends of U-shaped buckle 3, connecting rod 2
The end bottom surface of the other end and horizontal segment 1 fix.Horizontal segment 1 includes hollow rectangular housing, and the upper surface of housing sets
There is rectangle perforate 5, two ends are respectively arranged with drive sprocket and driven sprocket in housing, set between drive sprocket and driven sprocket
Chain 6 is equipped with, drive sprocket is fixed with chain 6 and moves horizontally platform 7, moved horizontally platform 7 and existed by motor M drivings are moved horizontally
Side-to-side movement in rectangle perforate 5；Move horizontally and on platform 7, be provided with bearing block 8, in bearing block 8, be provided with bearing 9, bearing 9
Outer ring is fixed with bearing block 8, and the inner ring of bearing 9 is fixed with the bottom of bull stick 10, and the top of bull stick 10 is fixed with rotary moving
11,10 outer ring of bull stick is arranged with rotate gear 12, moves horizontally and motor in rotary moving 13 is additionally provided with platform 7, electricity in rotary moving
The output end of machine 13 is provided with driving gear 14, and driving gear 14 is engaged with rotate gear 12；In order to realize rotational angle
Fine-tune, the diameter of driving gear 14 is less than 12 diameter of rotate gear.It is provided with rotary moving 11 and is located at always
Two motor mounting grooves on line, are respectively fixed with first straight line stepper motor 15 and second straight line step in two motor mounting grooves
The movable end of stepper motor 16, first straight line stepper motor 15 and second straight line stepper motor 16 respectively with the afterbody of video camera 17 and
Middle part is hinged；Move horizontally motor M, motor in rotary moving 13, first straight line stepper motor 15 and second straight line stepper motor 16
Control signal input hand-held joystick is connected by wire respectively；The signal output part of video camera 17 passes through signal transmission
Line is connected to display screen.In the present embodiment, move horizontally motor M and adopt clockwise and anticlockwise motor, motor in rotary moving 13 to adopt stepping
Formula electric rotating machine.The present invention when in use, testing staff can using hand-held joystick control move horizontally motor M rotate forward or
Reversion, so as to control regulation of the video camera 17 on right position, so that testing staff can observe trolley or so
The real-time pictures of both sides；Testing staff can utilize hand-held joystick to control the rotation of motor in rotary moving 13, to realize shooting
The regulation of the observed direction in 10 circumference of bull stick of machine 17；Testing staff can be using hand-held joystick control first straight line stepping electricity
Machine 15 and second straight line stepper motor 16 are moved, so as to adjust the angle of 17 camera lens of video camera.
Excessively make to move horizontally the left and right two ends that platform 7 bumps against rectangle perforate 5 in order to avoid moving horizontally motor M rotations,
The present invention is also provided with buffering stop device 24, described buffering stop device 24 on the left and right sides surface for moving horizontally platform 7
Including the buffering stop device case 18 consistent with 7 left and right sides surface size of platform is moved horizontally, buffering stop device case 18
Using horizontally disposed hollow rectangle housing, buffer 18 surface of stop device case and offer two circular opens 19, often
Bumper post 20 made by yielding rubber are provided with individual circular open 19, the front end of bumper post 20 is projected by circular open 19
In buffering stop device case 18, the middle part of bumper post 20 is provided with annular stop plate 21, and annular stop plate 21 is located at buffering stop
In dynamic device case 18, the afterbody rear of bumper post 20 is fixed with the buffer spring being arranged in buffering stop device case 18
22, before and after buffering inside stop device case 18, both sides inner surface is respectively arranged with button switch 23, the shape of button switch 23
For triangle, the parallel circuit of two compositions of button switch 23, buffering drive stopping relay coil KM and time relay coil KT
The parallel circuit of composition is connected with power module, and the normally opened of normally-closed contact KM1 and the time relay for buffering drive stopping relay touches
The parallel circuit in series of point KT1 compositions is on motor M power supply circuits are moved horizontally.
When the left or right for moving horizontally platform 7 and moving to extreme position and rectangle perforate 5 collides, two are delayed
Rush post 20 or one of bumper post 20 elder generation is collided with the left or right of rectangle perforate 5, due to bumper post 20, buffering elastic
Spring 22 can provide certain stroke, will be prevented effectively from that to move horizontally platform 7 direct with the left or right of rectangle perforate 5
Collision.Meanwhile, when bumper post 20 is to buffering stop 18 internal motion of device case, annular stop plate 21 will in motion process
Switch 23 is pressed the button, drive stopping relay coil KM and time relay coil KT is now buffered and is obtained electric, be connected on and move horizontally
The normally-closed contact KM1 of the buffering drive stopping relay coil KM on motor M power supply circuits disconnects, and moves horizontally motor M power-off stopping
Work, ensure that trolley stops movement.When move horizontally motor M power-off quit work a period of time after, due to the time
The normally opened contact KT1 of relay will timing closing, now move horizontally motor M will again it is electric, now testing staff is
Motor M counter motions can be moved horizontally by the control of hand-held joystick.During 7 counter motion of platform is moved horizontally, annular
Limiting plate 21 will press the button switch 23 in motion process again, now buffer alarm relay coil and time relay line
Circle KT power-off, returns to original state.Two bumper posts 20 that left and right is arranged can improve the accuracy and promptness of warning, keep away
Exempt from the warning caused because the left or right of rectangle perforate 5 avoids out-of-flatness too late, cause production accident.
Claims (5)
1. the crane trolley of easy access, it is characterised in that：Including trolley and be arranged on it is special on trolley
Use monitoring device；Described trolley include car frame and be arranged in car frame elevator module, walking module and
Movable maintenance platform, car frame include two walking beams be arrangeding in parallel, be bolted and hold in the middle part of two walking beams
Weight beam, two walking beams and spandrel girder are arranged in I shape, and fixed pulley group is provided with spandrel girder；Elevator module includes two sets of volumes
Mechanism is raised, two sets of hoisting mechanisms are separately positioned on spandrel girder both sides, often covering hoisting mechanism includes reel and be arranged on reel one
The lifting motor at end, is provided with steel wire rope in reel, suspension hook is provided with steel wire rope, and reel two ends are separately positioned on two reels
In fixed seat, two reel fixed seats are bolted on two walking beam upper surfaces be arrangeding in parallel respectively；Walking module
Including running wheel group, operation motor and operation reductor, running wheel group include by two driven wheels constitute from motor-car
Wheel group and the adhesion wheel group being made up of two adhesion wheels, two driven wheels are separately positioned on two rows of spandrel girder side
Beam outer surface is walked, two adhesion wheels are separately positioned on two walking beam outer surfaces of spandrel girder opposite side, are provided with master
Two walking beam ends of motor car wheel side are respectively arranged with operation motor and operation reductor, and two groups of operation motors pass through respectively
Operation reductor drives two adhesion wheels；Described movable maintenance platform is made up of backboard, base plate and two side plates, side plate
Constitute including C-shaped loading plate, base plate supporting plate and backboard supporting plate, the bottom of C-shaped loading plate is fixed with one end of base plate supporting plate,
The lower end of the other end of base plate supporting plate and backboard supporting plate is fixed, and the two ends of base plate are separately fixed on two base plate supporting plates, after
The two ends of baffle plate are separately fixed on two backboard supporting plates, and two lifting motors in two sets of hoisting mechanisms are arranged at two volumes
The same side of cylinder, in two side plates the upper end of C-shaped loading plate respectively with two ends of the walking beam of two reel opposite sides or so
Face is hinged；
Described dedicated monitoring device includes the installing rack being arranged between two parallel walking beams, and described installing rack includes
The horizontal segment of two canned paragraphs of two canned paragraphs and connection, canned paragraph are made up of connecting rod and inverted U-shaped buckle, U-shaped buckle
Be located on walking beam, one end of connecting rod is fixed on the horizontal ends of U-shaped buckle, the other end of connecting rod and the end of horizontal segment
Bottom surface is fixed；Horizontal segment includes hollow rectangular housing, and the upper surface of housing is provided with rectangle perforate, two ends point in housing
Drive sprocket and driven sprocket are not provided with, chain between drive sprocket and driven sprocket, is provided with, drive sprocket is moved by level
Dynamic Motor drive, is fixed with chain and moves horizontally platform, moves horizontally platform side-to-side movement in the rectangle perforate；Move horizontally platform
On be provided with bearing block, bearing is provided with bearing block, outer ring and the bearing block of bearing are fixed, the inner ring of bearing and the bottom of bull stick
End is fixed, and the top of bull stick is fixed with rotary moving, and bull stick outer ring is arranged with rotate gear, moves horizontally
Motor in rotary moving, the output end of motor in rotary moving are provided with driving gear, and driving gear is engaged with rotate gear；Rotation is moved
Two motor mounting grooves being located along the same line are provided with dynamic platform, in two motor mounting grooves, first straight line is respectively fixed with
Stepper motor and second straight line stepper motor, the movable end of two linear stepping motors are cut with scissors with the afterbody of video camera and middle part respectively
Connect；Move horizontally the control signal input of motor, motor in rotary moving, first straight line stepper motor and second straight line stepper motor
End connects hand-held joystick by wire respectively；The signal output part of video camera is connected to display screen by signal transmssion line.
2. the crane trolley of easy access according to claim 1, it is characterised in that：Described moves horizontally electricity
Machine adopts clockwise and anticlockwise motor, motor in rotary moving to adopt step-by-step movement electric rotating machine.
3. the crane trolley of easy access according to claim 2, it is characterised in that：Described moves horizontally platform
Left and right sides surface be provided with buffering stop device, described buffering stop device includes and moves horizontally platform left and right sides table
Face buffering stop device case of the same size, buffering stop device case adopt horizontally disposed hollow rectangle housing,
Buffering stop device case surface offers two circular opens, is provided with made by yielding rubber and delays in each circular open
Post is rushed, the front end of bumper post protrudes from buffering stop device case by circular open, annular limit is provided with the middle part of bumper post
Position plate, annular stop plate are located in buffering stop device case, and the afterbody rear of bumper post is fixed with and is arranged on buffering stop dress
The buffer spring in housing is put, both sides inner surface is respectively arranged with button switch, button before and after buffering inside stop device case
What is switched is shaped as triangle, parallel circuit, buffering drive stopping relay coil and the time relay that two button switches are constituted
The parallel circuit of coil composition is connected with power module, and the normally opened of normally-closed contact and the time relay for buffering drive stopping relay touches
The parallel circuit in series of point composition is on motor feed circuit is moved horizontally.
4. the crane trolley of easy access according to claim 3, it is characterised in that：On described U-shaped buckle
It is provided with fastening bolt.
5. the crane trolley of easy access according to claim 4, it is characterised in that：Described driving gear
Diameter is less than rotate gear diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510549.5A CN105523473B (en) | 2014-09-29 | 2014-09-29 | The crane trolley of easy access |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510549.5A CN105523473B (en) | 2014-09-29 | 2014-09-29 | The crane trolley of easy access |
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| Publication Number | Publication Date |
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| CN105523473A CN105523473A (en) | 2016-04-27 |
| CN105523473B true CN105523473B (en) | 2017-04-05 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698201B (en) * | 2016-12-26 | 2017-12-15 | 上海辽清缓实业有限公司 | A kind of automatic yard high-speed track hangs safety work device |
| CN207483195U (en) * | 2017-10-17 | 2018-06-12 | 河南省大方重型机器有限公司 | A kind of European double girder overhead crane trolley |
| CN110935111A (en) * | 2019-12-31 | 2020-03-31 | 山东大学齐鲁医院 | A mobile device for tumour radiotherapy |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3342355B2 (en) * | 1997-07-30 | 2002-11-05 | 三菱重工業株式会社 | crane |
| CN101863419B (en) * | 2010-07-15 | 2012-07-18 | 天津起重设备有限公司 | Multipurpose crane trolly |
| CN102689840A (en) * | 2011-03-23 | 2012-09-26 | 大连大起产业开发有限公司 | Double-beam bridge type crane |
| CN203237935U (en) * | 2013-05-02 | 2013-10-16 | 南通润邦重机有限公司 | Crane trolley having large tonnage and low clearance |
| CN203699697U (en) * | 2014-01-28 | 2014-07-09 | 白银有色集团股份有限公司 | Bridge-type crane convenient for maintenance |
| CN204079280U (en) * | 2014-09-29 | 2015-01-07 | 河南东起机械有限公司 | The hoisting crane crane carriage of easy access |
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2014
- 2014-09-29 CN CN201410510549.5A patent/CN105523473B/en active Active
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