CN108316849A - A kind of electric power overhaul ladder convenient for adjusting - Google Patents

Abstract

The invention discloses a kind of electric power overhaul ladders convenient for adjusting,Its structure includes reel deck,Reel,Main lifting column,Safety guide rail,Assistance for lifting column,Fixed link,Pedestal,By traditional, manually assist climbing in is designed as mechanically operated mode to the present invention,The winding rope wound on reel realizes the winding function of winding transmission gear with winding wheel,The downward compression contacts movable device of sliding compression mechanism is driven to realize the driving of motor driver while winding,Electric motor starting,While driving belt gear transmission,The driving bevel gear connection shaft rotation under being rotatably assorted of auxiliary mobile dish in the transmit process of driving belt,Main lifting column is driven to be lifted by the third transmission gear that the bevel gear of installation engages realizes that track transmission mechanism drives lifting and driving track,Convenient for adjusting the height of maintenance ladder,And worker only needs to sit up straight can easily carry out service work in safety guide rail.

Description

A kind of electric power overhaul ladder convenient for adjusting

Technical field

The present invention is a kind of electric power overhaul ladder convenient for adjusting, and belongs to electric power overhaul ladder field.

Background technology

Electric power is the energy using electric energy as power, is made of links such as power generation, transmission of electricity, power transformation, distribution and electricity consumptions Power generation and consumption system.The primary energy of nature is converted to electric power by it by mechanical energy device, then through transmission of electricity, power transformation Each user is supplied power to distribution.The transmission and power transformation of electric energy, distribution, electricity consumption together, constitute the whole work(of electric system Energy.By transmission of electricity, far apart (up to thousands of millimeters) power plant and load center are connected, make electric energy exploitation and Utilize the limitation for surmounting region.Compared with the transmission (such as defeated coal, oil transportation) of other energy, the loss of transmission of electricity is small, high efficiency, spirit Work is convenient, is easy to regulation and control, is low in the pollution of the environment；Transmission of electricity can also connect the power plant of different location, carry out peak valley and adjust. Transmission of electricity is the important embodiment of utilization of power superiority, and in modernized society, it is important energy artery.In order to make the energy Artery can be long-acting use, just need periodically to be overhauled, due to electric power installation position it is higher, maintenance when just need Maintenance ladder is used, but existing maintenance ladder needs artificially to be assisted in more traditional design and manually also needs to expense The climbing of power, adjusting its height that can not be easy is more laborsaving in use for user, and safety is poor.

Invention content

In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of electric power overhaul ladders convenient for adjusting, with solution Certainly still existing maintenance ladder needs artificially to be assisted in more traditional design and manually also needs to laborious climbing, nothing Its height of the adjusting of method simplicity is more laborsaving in use for user, and the problem that safety is poor.

To achieve the goals above, the present invention is to realize by the following technical solutions：A kind of electric power convenient for adjusting Maintenance ladder, structure include reel deck, reel, main lifting column, safety guide rail, assistance for lifting column, fixed link, pedestal, institute It states main lifting column to set there are two being mutually parallel by being fixedly connected as the safety guide rail of U-shaped structure, the safety guide rail Corresponding one end bottom parallel with main lifting column is welded with assistance for lifting column, leads between the main lifting column and assistance for lifting column It crosses fixed link and fixes its bottom end and be mounted on the base using Embedded mode, the main lifting column is equipped with for fixing reel Reel deck, the pedestal be internally provided with reel rolling-up mechanism, sliding compression mechanism, contact movable device, motor driving Device, lifting and driving track, belt gear, track transmission mechanism, gear driven mechanism, the reel rolling-up mechanism installation In the inner tip of main lifting column, one end is mechanically connected with reel, and other end activity is matched with sliding compression mechanism, the cunning The bottom end of dynamic compression mechanism is interference fitted with contact movable device, the signal end and motor driver of the contact movable device It is conducted, the signal output end of the motor driver and the belt gear for being installed on bottom are sequentially connected, the cunning Dynamic compression mechanism, contact movable device, motor driver, lifting and driving track installation are in the inside of main lifting column, the liter Driving cog in drop conveyor track is meshed with one end that safety guide rail is located inside main lifting column, the track transmission mechanism Drive input and gear driven mechanism be sequentially connected, transmission output and the lifting and driving track of the track transmission mechanism Be meshed driving, the track transmission mechanism set there are two and between by equipped with gear driven mechanism be matched with belt transmission Mechanism.

Further, the reel rolling-up mechanism by winding wheel fixed plate, winding wheel driving axle center, winding wheel, winding rope, First fixed pulley, the second fixed pulley, winding transmission gear composition, the axle center of the winding wheel passes through winding wheel driving axle center screw thread It is connected in winding wheel fixed plate and is fixed on the inner tip of main lifting column, the outer surface of the winding wheel is intertwined and connected and there are receipts Serving is simultaneously matched with reel by winding one end activity of restricting, and the other end is matched with the first fixed pulley, second by winding rope and slides calmly Wheel is connected with winding transmission gear, and the sawtooth that the outer surface of the winding transmission gear is equipped with matches with sliding compression mechanism It closes.

Further, spiral shell is fixed by the first spring fixed baffle, the first spring, rack, rack by the sliding compression mechanism Bolt, rack fixed baffle, second spring, second spring fixed baffle, constrictor composition, the top of the rack passes through main lifting First spring of the fixed first spring fixed baffle by welding is fixed inside column, the rack and the winding for installing its right end Transmission gear is meshed, and the right end of the rack fixed baffle has been bolted rack by rack fixing bolt, and described second By the parallel fixation of second spring between spring fixed baffle and rack fixed baffle, there are two the constrictor is set, the pressure Contracting bar is vertically welded in second spring about one end of second spring fixed baffle and is slidably matched with contact movable device.

Further, the contact movable device by third spring, movable axle sleeve, upper fixing axle, central shaft, guide rod, Central shaft stop collar, fixed disk, connection cross bar, connection turning-bar, connection montant, movable contact composition, the activity axle sleeve it is interior Portion is nested with guide rod,.The bottom end of the guide rod is through the inside of fixed disk, the both ends of fixed axis and movable axis Set is mutually formed by welding I-shaped structure, and the junction of fixed axis and movable axle sleeve is equipped with third spring, the fixation Fixed disk is limited in by central shaft stop collar by center axis connection, the bottom end of the central shaft between disk and upper fixing axle It inner tip and is gap-matched, main lifting is fixed in the outer end of the fixed disk with the connection cross bar for constituting cross structure Inside column 2/3rds at, the central shaft pass through one end that fixed disk exposes by the connection turning-bar of welding with connect Montant is equipped with movable contact, and two signal haptic elements that the movable contact is equipped with are electrically connected with motor driver.

Further, the guide rod is equipped with piston and coordinates with constrictor activity, and the central shaft stop collar is funnel The opening of shape structure, major diameter one end is welded in fixed disk inner tip.

Further, the motor driver is by driving box, motor, accessory drive gear, motor connection shaft, connection Axis, main drive gear fixed column, main drive gear composition, the driving box are installed on motor, and the right end of the motor is equipped with The connecting shaft that motor connects shaft and form right angle structure is sequentially connected, and the main drive gear fixed column is installed vertically on pedestal Inner tip and main lifting column junction on the right side of close to lifting and driving track, the main drive gear passes through main transmission tooth Wheel fixed column is fixed and the engagement of the outer surface is in connecting shaft, and the accessory drive gear is integrated with main drive gear Structure.

Further, the belt gear is made of bent axle, mobile dish, driving belt, one end of the bent axle with Accessory drive gear is meshed, and the other end is matched with driving belt by mobile dish transmission.

Further, the track transmission mechanism is by the first transmission gear, the second transmission gear, transition wheel, transmission belt group At the inside of the transition wheel is equipped with the second transmission gear and is meshed with the first transmission gear, first transmission gear By the activity of the second transmission gear be matched with lifting and driving track be sequentially connected, second transmission gear set there are two and Between gear driven mechanism is connected with by transmission belt.

Further, the gear driven mechanism is moved by third transmission gear, bevel gear, bevel gear connection shaft, auxiliary Moving plate forms, and the third transmission gear constitutes triangle transmission system, the bevel gear by transmission belt and the second transmission gear Shaft being welded as a whole structure is connect with bevel gear, the bevel gear connection shaft vertical-transmission is matched with auxiliary mobile dish Inside, the third transmission gear are meshed with bevel gear, are passed by driving belt between auxiliary mobile dish and the mobile dish Dynamic cooperation.

Further, the assistance for lifting column is internally provided with the mutually nested expansion fit of more than two lifting columns, can It freely stretches, the main lifting column that both ends connect behind four under the safety guide rail angle is realizing that the while of lifting drives The assistance for lifting column at front both ends realizes synchronization lifting.

Further, the reel rolling-up mechanism, sliding compression mechanism, contact movable device, motor driver, lifting Conveyor track, belt gear, track transmission mechanism be all provided with there are two and, structure symmetrical by gear driven mechanism Magnitude function all same.

Advantageous effect

A kind of electric power overhaul ladder convenient for adjusting of the present invention, the machine driving lifting that the present invention designs, by main lifting Be welded and fixed between column and assistance for lifting column be U-shaped structure safety guide rail can be provided for worker one it is more comfortable Environment is overhauled, can also be sat up straight in the case where need not manually assist in, solving to stand, it is arduous to bring, and worker is overhauling When operation, the reel being rotatably installed on main lifting column realizes the winding of reel rolling-up mechanism, is twined on winding wheel on reel Around winding rope can effectively realize winding, under the cooperation by first pulley and second pulley, winding rope pull winding transmission Gear, which is realized, to be rotated forward, and band carry-over bar declines while winding transmission gear rotates forward pinion rack, passes through what is designed in rack upper end First spring prevents from being difficult in the case of resetting after being detached from tracks in rack, realizes effective reset, the mistake that rack declines It pushes rack fixed baffle compression second spring driving second spring fixed baffle to synchronize in journey to move downward, and then second spring The constrictor connected under fixed baffle and movable axle sleeve are symmetrical, compress the guide rod inside movable axis set downwards in constrictor Piston while movement, generated inside movable axle sleeve since the piston on its guide rod is in interference fit with movable axle sleeve Pressure is flowed through by the channel of upper fixing axle and movable axle sleeve junction and is moved down with the internal drive central shaft of upper fixing axle, Therefore realize that movable contact and the signal of the stationary contact in terminal box are connected, and then driving motor works, it, should while motor works Signal connects shaft output by motor, and motor drives connecting shaft rotation, connecting shaft to pass through engagement while connecting shaft rotation Main drive gear drive accessory drive gear to rotate indirectly, the work of the drive belt gear of accessory drive gear, transmission The centre of belt drives bevel gear rotation during realizing transmission, and then third transmission gear is formed by triangle biography Dynamic system work engagement the first transmission gear driving, the first transmission gear, which then engages, drives the transmission of lifting and driving track to realize maintenance The lifting of ladder, when being elevated to suitable height, as long as worker can move reel fixing card on reel deck The height for stopping maintenance ladder being adjusted, and when needing to decline, which is removed, and rotation counterclockwise can be gradually reduced, Zhi Daofu The initial conditions of position, movement stop.

By traditional, manually assist climbing in is designed as mechanically operated mode to the present invention, the winding rope wound on reel and receipts Rolling wheel realizes the winding function of winding transmission gear, and sliding compression mechanism downward compression contacts movable device is driven while winding The driving of realization motor driver, electric motor starting, while driving belt gear transmission, the transmit process of driving belt In the driving bevel gear connection shaft rotation under being rotatably assorted of auxiliary mobile dish, passed by the third that the bevel gear of installation engages Moving gear realizes track transmission mechanism driving lifting and driving track and then main lifting column is driven to be lifted, convenient for adjusting maintenance ladder Height, and worker only needs to sit up straight can easily carry out service work in safety guide rail.

Description of the drawings

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon：

Fig. 1 is that the present invention is a kind of convenient for the surface structure schematic diagram of the electric power overhaul ladder adjusted.

Fig. 2 is that the present invention is a kind of convenient for the internal structure schematic diagram of the electric power overhaul ladder adjusted.

Fig. 3 is the detailed construction schematic diagram of Fig. 2 of the present invention.

Fig. 4 is the structural schematic diagram of A in Fig. 3 of the present invention.

Fig. 5 is the structural schematic diagram of B in Fig. 3 of the present invention.

In figure：Reel deck -1, reel -2, main lifting column -3, safety guide rail -4, assistance for lifting column -5, fixed link -6, Pedestal -7, reel rolling-up mechanism -71, sliding compression mechanism -72, contact movable device -73, motor driver -74, lifting pass Dynamic rail road -75, track transmission mechanism -77, gear driven mechanism -78, winding wheel fixed plate -711, is received belt gear -76 Rolling wheel driving axle center -712, winding wheel -713, the -714, first fixed pulley -715 of winding rope, the second fixed pulley -716, winding transmission Gear -717, the first spring fixed baffle -721, the first spring -722, rack -723, rack fixing bolt -724, rack are fixed Baffle -725, second spring -726, second spring fixed baffle -727, constrictor -728, third spring -730, movable axle sleeve - 731, upper fixing axle -732, central shaft -733, guide rod -734, central shaft stop collar -735, fixed disk -736, connection cross bar - 737, turning-bar -738, connection montant -739, movable contact -7310, driving box -741, motor -742, accessory drive gear-are connected 743, motor connection shaft -744, connecting shaft -745, main drive gear fixed column -746, main drive gear -747, bent axle -761, Mobile dish -762, driving belt -763, the first transmission gear -771, the second transmission gear -772, transition wheel -773, transmission belt - 774, third transmission gear -781, bevel gear -782, bevel gear connection shaft -783, auxiliary mobile dish -784.

Specific implementation mode

To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to Specific implementation mode, the present invention is further explained.

Embodiment

Please refer to Fig.1-Fig. 5, the present invention provides a kind of electric power overhaul ladder convenient for adjusting, structure include reel deck 1, Reel 2, main lifting column 3, safety guide rail 4, assistance for lifting column 5, fixed link 6, pedestal 7, the main lifting column 3 set that there are two logical It crosses the safety guide rail 4 for U-shaped structure and is fixedly connected and be mutually parallel, the safety guide rail 4 is parallel with main lifting column 3 right One end bottom answered is welded with assistance for lifting column 5, it is fixed by fixed link 6 between the main lifting column 3 and assistance for lifting column 5 Bottom end is installed on using Embedded mode on pedestal 7, and the main lifting column 3 is equipped with the reel deck for fixing reel 2 1, the pedestal 7 is internally provided with reel rolling-up mechanism 71, sliding compression mechanism 72, contact movable device 73, motor driving dress Set 74, lifting and driving track 75, belt gear 76, track transmission mechanism 77, gear driven mechanism 78, the reel winding Mechanism 71 is installed on the inner tip of main lifting column 3, and one end is mechanically connected with reel 2, and other end activity is matched with sliding pressure Contracting mechanism 72, bottom end and the contact movable device 73 of the sliding compression mechanism 72 are interference fitted, the contact movable device 73 Signal end be conducted with motor driver 74, the signal output end of the motor driver 74 and the skin for being installed on bottom Tape handler 76 is sequentially connected, and the sliding compression mechanism 72, contact movable device 73, motor driver 74, lifting pass Dynamic rail road 75 is installed on the inside of main lifting column 3, and the driving cog on the lifting and driving track 75 is located at master with safety guide rail 4 One end inside lifting column 3 is meshed, and drive input and the transmission of gear driven mechanism 78 of the track transmission mechanism 77 connect It connects, the transmission output of the track transmission mechanism 77 is meshed driving with lifting and driving track 75, the track transmission mechanism 77 set there are two and between by equipped with gear driven mechanism 78 be matched with belt gear 76.

The reel rolling-up mechanism 71 is by winding wheel fixed plate 711, winding wheel driving axle center 712, winding wheel 713, winding The 714, first fixed pulley 715 of rope, the second fixed pulley 716, winding transmission gear 717 form, and the axle center of the winding wheel 713 passes through Winding wheel driving axle center 712 is threadedly connected in winding wheel fixed plate 711 and is fixed on the inner tip of main lifting column 3, described The outer surface of winding wheel 713, which is intertwined and connected, to be wound rope 714 and is matched with reel 2, the other end by winding 714 one end activities of rope It is matched with the first fixed pulley 715 by winding rope 714, the second fixed pulley 716 is connected with winding transmission gear 717, the receipts The sawtooth that the outer surface of volume transmission gear 717 is equipped with is matched with sliding compression mechanism 72.

The sliding compression mechanism 72 is fixed by the first spring fixed baffle 721, the first spring 722, rack 723, rack Bolt 724, rack fixed baffle 725, second spring 726, second spring fixed baffle 727, constrictor 728 form, the tooth First spring 722 of the top of item 723 by the 3 fixed first spring fixed baffle 721 in inside of main lifting column by welding is solid Fixed, the rack 723 is meshed with the winding transmission gear 717 for installing its right end, and the right end of the rack fixed baffle 725 is logical Cross rack fixing bolt 724 and be bolted rack 723, the second spring fixed baffle 727 and rack fixed baffle 725 it Between by 726 parallel fixation of second spring, there are two the constrictor 728 is set, the constrictor 728 is vertically welded in and second Spring 726 about second spring fixed baffle 727 one end and be slidably matched with contact movable device 73.

The contact movable device 73 by third spring 730, movable axle sleeve 731, upper fixing axle 732, central shaft 733, lead To bar 734, central shaft stop collar 735, fixed disk 736, connection cross bar 737, connection turning-bar 738, connection montant 739, moves and touch 7310 composition of point, the activity axle sleeve 731 are nested inside with guide rod 734,.The bottom end of the guide rod 734 is through admittedly The inside of price fixing 736, the both ends of fixed axis 732 are formed by welding I-shaped structure with movable 731 phase of axle sleeve, described solid Dead axle 732 and the junction of movable axle sleeve 731 are equipped with third spring 730, between the fixed disk 736 and upper fixing axle 732 It is connected by central shaft 733, the bottom end of the central shaft 733 is limited in the inside of fixed disk 736 by central shaft stop collar 735 It top and is gap-matched, main liter is fixed in the outer end of the fixed disk 736 with the connection cross bar 737 for constituting cross structure It drops at 2/3rds inside column 3, the central shaft 733 passes through one end that fixed disk 736 exposes to turn by the connection of welding Movable contact 7310, the two signal haptic elements and motor that the movable contact 7310 is equipped with are installed with montant 739 is connect to bar 738 Driving device 74 is electrically connected.

The guide rod 734 is equipped with piston and coordinates with 728 activity of constrictor, and the central shaft stop collar 735 is funnel The opening of shape structure, major diameter one end is welded in 736 inner tip of fixed disk.

The motor driver 74 connects shaft by driving box 741, motor 742, accessory drive gear 743, motor 744, connecting shaft 745, main drive gear fixed column 746, main drive gear 747 form, and the driving box 741 is installed on motor On 742, the right end of the motor 742 is equipped with motor connection shaft 744 and the connecting shaft 745 of form right angle structure is sequentially connected, The main drive gear fixed column 746 be installed vertically on the inner tip of pedestal 7 on the right side of the junction of main lifting column 3 close to Lifting and driving track 75, the main drive gear 747 is fixed by main drive gear fixed column 746 and the sawtooth of the outer surface is nibbled Together in connecting shaft 745, the accessory drive gear 743 is integrated with main drive gear 747.

The belt gear 76 is made of bent axle 761, mobile dish 762, driving belt 763, and the one of the bent axle 761 End is meshed with accessory drive gear 743, and the other end is matched with driving belt 763 by the transmission of mobile dish 762.

The track transmission mechanism 77 is by the first transmission gear 771, the second transmission gear 772, transition wheel 773, transmission belt 774 compositions, the inside of the transition wheel 773 are equipped with the second transmission gear 772 and are meshed with the first transmission gear 771, institute State the first transmission gear 771 by the activity of the second transmission gear 772 be matched with lifting and driving track 75 be sequentially connected, it is described Second transmission gear 772 set there are two and between gear driven mechanism 78 is connected with by transmission belt 774.

The gear driven mechanism 78 is by third transmission gear 781, bevel gear 782, bevel gear connection shaft 783, auxiliary Mobile dish 784 form, and the third transmission gear 781 constitutes triangle power train by transmission belt 774 and the second transmission gear 772 System, the bevel gear 782 connect 783 being welded as a whole structure of shaft with bevel gear, and the bevel gear connection shaft 783 is vertical Transmission is matched with the inside of auxiliary mobile dish 784, and the third transmission gear 781 is meshed with bevel gear 782, and the auxiliary is moved It is driven and is coordinated by driving belt 763 between Moving plate 784 and mobile dish 762.

The assistance for lifting column 5 is internally provided with the mutually nested expansion fit of more than two lifting columns, can freely stretch, The main lifting column 3 that both ends connect behind four angles under the safety guide rail 4 is realizing that the while of lifting drives front two The assistance for lifting column 5 at end realizes synchronization lifting.

The reel rolling-up mechanism 71, sliding compression mechanism 72, contact movable device 73, motor driver 74, lifting Conveyor track 75, belt gear 76, track transmission mechanism 77 are all provided with symmetrically to be divided there are two and by gear driven mechanism 78 Cloth, structure size function all same.

The machine driving that the present invention designs lifts, and is by being welded and fixed between main lifting column 3 and assistance for lifting column 5 The safety guide rail 4 of U-shaped structure can provide one for worker and more comfortably overhaul environment, in the feelings that need not manually assist in It can also be sat up straight under condition, solving to stand, it is arduous to bring, and worker is rotatably installed in when carrying out upkeep operation on main lifting column 3 Reel 2 realize the winding of reel rolling-up mechanism 71, can be effective with the winding rope 714 wound on winding wheel 713 on reel 2 Realize winding, under the cooperation by first pulley 715 and second pulley 716, winding rope 714 pulls winding transmission gear 717 real It now rotates forward, band carry-over bar 723 declines while winding transmission gear 717 rotates forward pinion rack 723, by 723 upper end of rack First spring 721 of design prevents from being difficult in the case of resetting after being detached from tracks in rack 723, realizes effective reset, Rack 723 pushes rack fixed baffle 725 to compress second spring 726 and drives second spring fixed baffle 727 during declining It synchronizes and moves downward, and then the constrictor 728 of 727 times connections of second spring fixed baffle and movable axle sleeve 731 are symmetrical, Constrictor 728 compresses downwards the piston of the guide rod 734 inside movable axis set 731, due to the piston interference on its guide rod 734 It is matched with movable axle sleeve 731, while movement, the pressure that 731 inside of movable axle sleeve generates passes through upper fixing axle 732 and activity The channel of 731 junction of axle sleeve is flowed through to be moved down with the internal drive central shaft 733 of upper fixing axle 732, therefore realizes dynamic touch Point 7310 and the signal of the stationary contact in terminal box 741 are connected, and then driving motor 742 works, while motor 742 works, The signal connects shaft 744 by motor and exports, and motor, which connects while shaft 744 rotates, drives connecting shaft 745 to rotate, connection Axis 745 drives accessory drive gear 743 to rotate indirectly by the main drive gear 747 of engagement, the drive of accessory drive gear 743 Belt gear 76 works, and the centre of driving belt 763 drives bevel gear 782 to rotate during realizing transmission, And then third transmission gear 781 is formed by work engagement the first transmission gear 771 driving of triangle transmission system, the first driving cog Wheel 771, which then engages, drives lifting and driving track 75 to be driven the lifting for realizing maintenance ladder, when being elevated to suitable height, work As long as 2 fixing card of reel can be moved the height adjusting for stopping maintenance ladder by people on reel deck 1, when needing to decline, The reel 2 is removed, rotation counterclockwise can be gradually reduced, and until the initial conditions of reset, movement stops.

Its structure and principle, which are all this technology personnel, can be learnt by technical manual or be known by routine experiment method, Problems solved by the invention is that existing maintenance ladder is needed artificially to be assisted in more traditional design and manually be also needed to Laborious climbing, adjusting its height that can not be easy is more laborsaving in use for user, and safety is poor, and the present invention is logical Being combined with each other for above-mentioned component is crossed, manually assisting climbing in is designed as mechanically operated mode, the receipts wound on reel 2 by traditional Serving 714 and winding wheel 713 realize the winding function of winding transmission gear 717, and winding while drives sliding compression mechanism 72 Downward compression contacts movable device 73 realizes that the driving of motor driver 74, motor 742 start, and drives belt gear 76 While transmission, the connection of driving bevel gear turns under being rotatably assorted of auxiliary mobile dish 784 in the transmit process of driving belt 763 Axis 783 rotates, and the third transmission gear 781 engaged by the bevel gear 782 of installation is realized that track transmission mechanism 77 drives and lifted Conveyor track 75 drives main lifting column 3 to be lifted in turn, and convenient for adjusting the height of maintenance ladder, and worker only needs to sit up straight Safety guide rail 4 can easily carry out service work.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (9)

1. a kind of electric power overhaul ladder convenient for adjusting, structure includes reel deck (1), reel (2), main lifting column (3), safety Protective fence (4), assistance for lifting column (5), fixed link (6), pedestal (7), it is characterised in that：

The main lifting column (3) sets and is mutually parallel there are two being fixedly connected by the safety guide rail (4) as U-shaped structure, institute It states safety guide rail (4) corresponding one end bottom parallel with main lifting column (3) and is welded with assistance for lifting column (5), the main liter Its bottom end is fixed by fixed link (6) between drop column (3) and assistance for lifting column (5), pedestal is installed on using Embedded mode (7) on, the main lifting column (3) is equipped with the reel deck (1) for fixing reel (2)；

The pedestal (7) be internally provided with reel rolling-up mechanism (71), sliding compression mechanism (72), contact movable device (73), Motor driver (74), lifting and driving track (75), belt gear (76), track transmission mechanism (77), gear driving Mechanism (78), the reel rolling-up mechanism (71) are installed on the inner tip of main lifting column (3), one end and reel (2) machinery Connection, other end activity are matched with sliding compression mechanism (72), bottom end and the contact moving machine of the sliding compression mechanism (72) Structure (73) is interference fitted, and signal end and the motor driver (74) of the contact movable device (73) are conducted, the motor The signal output end of driving device (74) and the belt gear (76) for being installed on bottom are sequentially connected, the sliding compression machine Structure (72), contact movable device (73), motor driver (74), lifting and driving track (75) are installed on main lifting column (3) Inside, the driving cog on the lifting and driving track (75) are located at the internal one end phase of main lifting column (3) with safety guide rail (4) Engagement, drive input and the gear driven mechanism (78) of the track transmission mechanism (77) are sequentially connected, the track transmission The transmission output of mechanism (77) is meshed driving with lifting and driving track (75), there are two the track transmission mechanism (77) sets Between and by equipped with gear driven mechanism (78) be matched with belt gear (76).

2. a kind of electric power overhaul ladder convenient for adjusting according to claim 1, it is characterised in that：The reel rolling-up mechanism (71) calmly sliding by winding wheel fixed plate (711), winding wheel driving axle center (712), winding wheel (713), winding rope (714), first (715), the second fixed pulley (716), winding transmission gear (717) composition are taken turns, the axle center of the winding wheel (713) passes through winding wheel Driving axle center (712) is threadedly connected in winding wheel fixed plate (711) and is fixed on the inner tip of main lifting column (3), described The outer surface of winding wheel (713), which is intertwined and connected, to be wound rope (714) and is matched with reel by winding rope (714) one end activity (2), the other end is matched with the first fixed pulley (715), the second fixed pulley (716) and winding transmission gear by winding rope (714) (717) it is connected, the sawtooth that the outer surface of the winding transmission gear (717) is equipped with is matched with sliding compression mechanism (72).

3. a kind of electric power overhaul ladder convenient for adjusting according to claim 1 or 2, it is characterised in that：The sliding compression Mechanism (72) is by the first spring fixed baffle (721), the first spring (722), rack (723), rack fixing bolt (724), tooth Fixed baffle (725), second spring (726), second spring fixed baffle (727), constrictor (728) composition, the rack (723) first spring of the top by the internal fixed first spring fixed baffle (721) of main lifting column (3) by welding (722) fixed, the rack (723) is meshed with the winding transmission gear (717) for installing its right end, the rack fixed baffle (725) right end has been bolted rack (723), the second spring fixed baffle (727) by rack fixing bolt (724) It is described there are two the constrictor (728) sets by second spring (726) parallel fixation between rack fixed baffle (725) Constrictor (728) is vertically welded in second spring (726) about one end of second spring fixed baffle (727) and lives with contact Motivation structure (73) is slidably matched.

4. a kind of electric power overhaul ladder convenient for adjusting according to claim 3, it is characterised in that：The contact movable device (73) by third spring (730), movable axle sleeve (731), upper fixing axle (732), central shaft (733), guide rod (734), center Axis stop collar (735), fixed disk (736), connection cross bar (737), connection turning-bar (738), connection montant (739), movable contact (7310) it forms, the activity axle sleeve (731) is nested inside with guide rod (734), and the bottom end of the guide rod (734) is run through In the inside of fixed disk (736), the both ends of fixed axis (732) are mutually formed by welding I-shaped knot with movable axle sleeve (731) The junction of structure, fixed axis (732) and movable axle sleeve (731) is equipped with third spring (730), the fixed disk (736) it is connect by central shaft (733) between upper fixing axle (732), the bottom end of the central shaft (733) is limited by central shaft Position set (735) is limited in the inner tip of fixed disk (736) and is gap-matched, the outer end of the fixed disk (736) and structure It is fixed at the connection cross bar (737) of cross structure at 2/3rds of main lifting column (3) inside, the central shaft (733) Dynamic touch is equipped with montant (739) is connect by the connection turning-bar (738) of welding across one end that fixed disk (736) exposes Point (7310), two signal haptic elements that the movable contact (7310) is equipped with are electrically connected with motor driver (74).

5. a kind of electric power overhaul ladder convenient for adjusting according to claim 4, it is characterised in that：The guide rod (734) It is equipped with piston with constrictor (728) activity to coordinate, the central shaft stop collar (735) is funnel-shaped structure, major diameter one end Opening be welded in fixed disk (736) inner tip.

6. a kind of electric power overhaul ladder convenient for adjusting according to claim 1 or 4, it is characterised in that：The motor driving Device (74) is by driving box (741), motor (742), accessory drive gear (743), motor connection shaft (744), connecting shaft (745), main drive gear fixed column (746), main drive gear (747) composition, the driving box (741) are installed on motor (742) on, the right end of the motor (742) is equipped with motor connection shaft (744) and the connecting shaft (745) of form right angle structure passes Dynamic connection, the main drive gear fixed column (746) are installed vertically on the company of the inner tip and main lifting column (3) of pedestal (7) Place right side is connect close to lifting and driving track (75), the main drive gear (747) is solid by main drive gear fixed column (746) In connecting shaft (745), the accessory drive gear (743) is fixed and the outer surface engagement with main drive gear (747) Integral structure.

7. a kind of electric power overhaul ladder convenient for adjusting according to claim 1, it is characterised in that：The belt gear (76) it is made of bent axle (761), mobile dish (762), driving belt (763), one end and the accessory drive tooth of the bent axle (761) Wheel (743) is meshed, and the other end is matched with driving belt (763) by mobile dish (762) transmission.

8. a kind of electric power overhaul ladder convenient for adjusting according to claim 1, it is characterised in that：The track transmission mechanism (77) it is made of the first transmission gear (771), the second transmission gear (772), transition wheel (773), transmission belt (774), the mistake The inside of ferry boat (773) is equipped with the second transmission gear (772) and is meshed with the first transmission gear (771), and described first passes Moving gear (771) is matched with by the activity of the second transmission gear (772) and is sequentially connected with lifting and driving track (75), and described the Two transmission gears (772) set there are two and between gear driven mechanism (78) is connected with by transmission belt (774).

9. a kind of electric power overhaul ladder convenient for adjusting according to claim 1 or 8, it is characterised in that：The gear driving Mechanism (78) is by third transmission gear (781), bevel gear (782), bevel gear connection shaft (783), auxiliary mobile dish (784) group At the third transmission gear (781) constitutes triangle transmission system, institute by transmission belt (774) and the second transmission gear (772) It states bevel gear (782) and connect shaft (783) being welded as a whole structure with bevel gear, the bevel gear connection shaft (783) is hung down It direct transfers and is actively tied in the inside of auxiliary mobile dish (784), the third transmission gear (781) is meshed with bevel gear (782), institute It states to be driven by driving belt (763) between auxiliary mobile dish (784) and mobile dish (762) and coordinate.