CN208820356U - A kind of electrification aerial cable moving trolley - Google Patents

Abstract

The utility model discloses a kind of electrification aerial cable moving trolleys, including traction sheave and vehicle body, the traction sheave is mounted on the wheel carrier that Open Side Down, pass through motor drive, the wheel carrier is mounted on the top of vehicle body by column, it is provided with elevation angle remote adjustment mechanism on the vehicle body, is provided with lifting button in elevation angle remote adjustment mechanism.The utility model adjusts the position of lifting button by elevation angle remote adjustment mechanism to change the impetus of vehicle body, to change the elevation angle of vehicle body to avoid cable, its principle is most simple, structure is most succinct, operation is most reliable, is no longer limited by ground place, greatlys improve operation ease.

Description

A kind of electrification aerial cable moving trolley

Technical field

The utility model relates to electric power and communication line construction equipment fields, and in particular to a kind of electrification aerial cable walking Vehicle.

Background technique

It is frequently necessary to during power line construction and communication optical cable construction across important navigation channel, railway, closing high speed The obstacles such as highway, house, green house of vegetables, crossed construction building site are needed to suspend to progress at obstacle for a long time in many cases, be sealed The correlation cooperating such as road, it is various that correlation coordinates formality, it is big to negotiate difficulty, and often serious because being difficult to reach an agreement requirement Therefore schedule delays, production cost also remain high for a long time.

And traditional cable laying construction be mostly by setting up scaffold, using the construction with showing and placing of the tension formula reach cable across More purpose has that at high cost, time-consuming, some construction sites such as navigation channel two sides do not have the condition of built construction, And it is larger with the difficulty that hitching machinery needed for the construction of showing and placing of the tension formula is transported to construction site；In addition the band tension of long range It is careless slightly to cause the serious consequence that can not be retrieved across very stringent to construction machinery and construction technical requirement；In addition, External interference is frequently encountered in work progress, this requires before construction terminates, it is necessary to which someone nurses each point, to ensure safety.

In view of the above problems, applicant discloses in the Chinese utility model patent that notification number is CN 103138205B No-station pole canopy cable laying crossover device will be connected to existing high-tension line by series connection traction rope or carry the elastic insulated of steel cable Ring or insulation coaster connect to form an aerial channels, drive construction cable by aerial channels with cable strop, not by The influence of the crossed over environment in lower section, reduces the time of co-ordination, and production cost is greatly reduced.

But the technical solution, which needs ground staff that series connection traction rope front end is pulled to destination, makes elastic insulated ring or exhausted Edge coaster is uniformly distributed to form aerial channels, and the traction problems for the first time of cable laying construction are unresolved, still will receive the ring of construction site Border influences, and some special, complex barriers can not even pass through from below.For this problem, applicant is CN in notification number Aerial cable laying tractor and its Special-purpose lifting tool are disclosed in the Chinese utility model patent of 103872622B, pass through wireless controlled The aerial cable laying tractor of system solves the problems, such as crossing over for the first time for no-station pole canopy cable laying crossover device, greatly overcomes construction site environment The difficulty and cost of cable laying construction is effectively reduced in influence to cable laying construction, improves construction efficiency, in aerial cable laying, in the air patrols Line and route block removing etc. are multi-field to be commonly employed.But in the mistake being hanging to tractor by elevator bucket on cable Cheng Zhong, ropes directly generate friction with conducting wire, and resistance is big in lifting process, and rely on the dedicated messenger in elevator bucket lower part Lateral traction guiding function control vehicle body upper portion evacuation cable operated, applied to up to tens meters even up to a hundred meters defeated When electric line, often ground does not have good working space, is very inconvenient to operate.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of electrification aerial cable moving trolleys, can solve existing lead Draw vehicle to need to be hanging on cable by elevator bucket, controls vehicle by the lateral traction guiding function of the dedicated messenger in elevator bucket lower part Body top evacuation cable is operated, and is caused to the demanding problem of ground working space.

The utility model is achieved through the following technical solutions:

A kind of electrification aerial cable moving trolley, including traction sheave and vehicle body, the traction sheave are mounted on the wheel that Open Side Down On frame, by motor drive, the wheel carrier is mounted on the top of vehicle body by column, and it is long-range to be provided with the elevation angle on the vehicle body Regulating mechanism is provided with lifting button in elevation angle remote adjustment mechanism.

The further scheme of the utility model is that elevation angle remote adjustment mechanism includes setting in the same direction with the wheel shaft of traction sheave Pull rod set, that push rod driving is adjusted by the elevation angle, the pull rod are symmetrically disposed on extremities of body, and the lifting button is set to pull rod On.

The further scheme of the utility model, which is that the lifting is buckled, is connected with storage rope, and storage rope is provided on the vehicle body Long-range relieving mechanism；It needs to need to change release storage when being drawn by ground in aerial cable moving trolley traveling operation process to restrict for ground Face towage uses, and when construction terminates to need to remove aerial cable moving trolley, release storage rope is used as to be promoted, greatly convenient It uses.

The further scheme of the utility model is that the pull rod includes at least two upper connecting rods positioned at body top section With at least two lower pull rods for being located at body bottom, the lifting button is set on upper connecting rod, and the upper connecting rod connects jointly In upper connecting rod, lower pull rod is commonly connected to lower link, and the upper connecting rod is connected with lower link by vertical links, described vertically to connect Bar adjusts push rod driving by the elevation angle；Push rod is adjusted by an elevation angle and drives upper connecting rod, lower pull rod synchronization action, both ensures overhead line Cable moving trolley elevation angle adjustment process steadily carries out, and can ensure that and realize " process storage rope " using minimal number of structural member and " take The aerial release operation of lower storage rope ", mitigates the weight of aerial cable moving trolley, walks it in cable uplink steady, and can save About cost.

The further scheme of the utility model is that the long-range release gear of hoisting rope is equipped on the vehicle body, in electrification frame After the promotion of ceases to be busy cable moving trolley is hanging on cable, the long-range insurance sling for releasing hoisting rope is solved from ground in face of lifting rope Button, does not need operation of ascending a height, very convenient.

The further scheme of the utility model is that the long-range release gear of hoisting rope includes being separately mounted to vehicle body The one side wall of the cotter way at both ends, the cotter way runs through and slidably connects solution pin buckle, is equipped on the vehicle body and passes with solution pin buckle Dynamic unbuttons push rod, and the movement that solution pin buckle is controlled by unbuttoning push rod is capable of providing bigger effect compared to electromagnet Power, it is ensured that the accurate realization of movement is unbuttoned, it is more stable and low to current requirements, avoid high current to aerial cable moving trolley Control system adverse effect, and reduce requirement to battery capacity to mitigate the weight of aerial cable moving trolley, make its That walks on cable is steady, and can save the cost.

The further scheme of the utility model is that the movable end for unbuttoning push rod is equipped with parallel with it unbuttoning and pushes away Plate is respectively arranged with to be mounted on to unbutton on the outside of the both ends for unbuttoning push plate and unbuttons input driving lever on transmission shaft, described to unbutton Transmission shaft, which is rotationally connected with to be mounted on vehicle body, unbuttons transmission shaft pedestal, it is described unbutton to be also equipped on transmission shaft unbutton output Driving lever, it is described to unbutton output driving lever and solution pin buckle transmission；The movement that push rod drives two solution pin buckles is unbuttoned with one, is mitigated aerial The weight of cable moving trolley walks it in cable uplink steady, and can save the cost.

The further scheme of the utility model is that the cable being made of compression push rod and contact roller is equipped on the vehicle body Hold-down mechanism；By cable hold-down mechanism ensure aerial cable moving trolley on cable with conducting wire equipotential, and traction wheel with lead Have between line it is stronger grab resultant force, thus, go out when executing every complex task before car body and have well stable electric appliance and machine Tool working condition has bigger tractive force, walks more stable and safe.

The further scheme of the utility model is that the cable hold-down mechanism further includes pressure sensor, the pressure Sensor detects the pressure between contact roller and cable, and control compresses the stopping movement of push rod.

The further scheme of the utility model be further include by hanging wire hook link be connected two wire-hanging hooks, each extension The lower end of line hook is connected with lifting tackle, and across the hoisting rope for being wound with connection lifting and buckleing on the lifting tackle, the wire-hanging hook connects Hook taking rope is connected on bar；It is convenient for control coupler body direction by the wire-hanging hook that hanging wire hook link is connected, it is easy to it is suspended on cable, Aerial cable moving trolley is promoted by lifting tackle again, greatly reduces promotion resistance, hook taking rope pull back can by wire-hanging hook from It is removed on cable, does not need operation of ascending a height, it is very convenient.

The utility model compared with prior art the advantages of be:

The position of lifting button is adjusted by elevation angle remote adjustment mechanism to change the impetus of vehicle body, to change vehicle body The elevation angle is to avoid cable, and principle is most simple, structure is most succinct, operation is most easy, is no longer limited by ground place, greatly mentions The security reliability of operation is risen.

Detailed description of the invention

Fig. 1 is the rear structure schematic diagram of the utility model.

Fig. 2 is the front side structure schematic diagram of the utility model.

Fig. 3 is that the elevation angle of aerial cable moving trolley changes schematic diagram.

Fig. 4 is elevation angle remote adjustment mechanism and cable hold-down mechanism structural schematic diagram.

Fig. 5 is the long-range release gear structural schematic diagram of hoisting rope.

In figure, 1 is traction sheave, and 2 be wheel carrier, and 3 be column, and 4 be vehicle body, and 5 be upper connecting rod, and 6 be lifting button, and 7 be elevation angle tune Push rod is saved, 8 be contact roller, and 9 be to compress push rod, and 10 be pressure sensor, and 11 be compression spring, and 12 be wire-hanging hook, and 13 be hanging wire Hook link, 14 be lifting tackle, and 15 be hoisting rope, and 16 be hook taking rope, and 17 be cotter way, and 18 be storage rope, and 19 be mousing-hook hangers, 20 It is cable, 21 be lower pull rod, and 22 be upper connecting rod, and 23 be lower link, and 24 be vertical links, and 25 be chain, and 26 be motor, and 27 are Push rod is unbuttoned, 28 be contact roller guide rod, and 29 be that storage rope ties up tightening latch, and 30 be storage rope release shifting block, and 31 be to unbutton push plate, and 32 are Transmission shaft is unbuttoned, 33 be to unbutton input driving lever, and 34 be to unbutton output driving lever, and 35 be to unbutton shifting block, and 36 be solution pin buckle, and 37 be to unbutton Reset spring, 38 be to unbutton push plate guide rod, and 39 be to unbutton push plate guide pad, and 40 be to unbutton transmission shaft pedestal, and 41 be clamping plate.

Specific embodiment

A kind of electrification aerial cable moving trolley as depicted in figs. 1 and 2, including two traction sheaves 1 and a vehicle body 4, are draged 1 preferred elastomeric material of running wheel is made, and reduces while improving the grasp with cable 20 to 20 friction damage of cable, vehicle body 4 It is made of the conductive metal frame and embedding car body in the frame of cuboid, two traction sheaves 1 are mounted side by side on out Between two vertical portions of the downward cross section of mouth in the wheel carrier 2 of n font, the 2 side vertical portion of wheel carrier is mounted on by column 3 On the frame of vehicle body 4, two traction sheaves 1 is made to be located at same level above the both ends of 4 length direction of vehicle body, wheel shaft and vehicle body 4 width direction is parallel；Battery is installed on the car body of the vehicle body 4 and is configured with the motor of planet sprocket deceleration mechanism 26, sprocket wheel is separately installed on the output shaft of the motor 26 and the wheel shaft of two traction sheaves 1, is driven by chain 25.

Elevation angle remote adjustment mechanism and cable hold-down mechanism as shown in Figure 4 are provided on the vehicle body 4；Wherein the elevation angle is remote Journey regulating mechanism includes two upper connecting rods 5, the two lower pull rods 21 extended along the width direction of vehicle body 4 and an electronic elevation angle Push rod 7 is adjusted, two upper connecting rods 5 are mounted on the both ends top in the lengths of frame direction of vehicle body 4 by linear bearing respectively, and two Lower pull rod 21 is mounted on the both ends bottom of the frame of vehicle body 4 by linear bearing respectively, and the outer end of two upper connecting rods 5 connects jointly In upper connecting rod 22, the outer end of two lower pull rods 21 is commonly connected to lower link 23, the upper connecting rod 22 and lower link 23 by hanging down Straight connecting rod 24 is connected, and the movable end rotary shaft that the vertical links 24 adjusts push rod 7 with the elevation angle is dynamic or is fixedly connected with realization driving； The middle part of two upper connecting rods 5 is also fixedly installed with the lifting button 6 of ring groove shape respectively, has twice slot, the company of being respectively used on lifting button 6 Lifting rope 15 and storage rope 18 are connect, is also fixedly installed with two storages parallel with lower pull rod 21 in the bottom at the frame both ends of vehicle body 4 Rope ties up tightening latch 29, and interval is fixedly installed with two pieces of storage rope release shifting blocks 30 on the lower pull rod 21, and the storage rope ties up tightening latch 29 both ends extend through and are slidably connected to two pieces of storage rope release shifting blocks 30, and amounting on two lifting buttons 6 can connect two One end of storage rope 18, two storage ropes 18 is respectively fixedly connected in two lifting buttons 6, and the other end is coiled in respectively extends to storage downwards Two storages rope in 30 liang of outsides of rope release shifting block is tied up between tightening latch 29.The cable hold-down mechanism is by an electronic compression Push rod 9 and two contact rollers 8 form, described two contact rollers 8 by clamping plate 41 be set in parallel in vehicle body 4 and traction sheave 1 it Between, for its spacing less than the spacing of two traction sheaves 1, the rotating middle part axis of clamping plate 41 is dynamic or is fixedly connected on oneself for compressing push rod 9 By holding, both ends pass through linear bearing respectively and are slidably connected to two contact roller guide rods 28, the contact roller guide rod 28 and pressure Tight push rod 9 is vertically arranged, and wherein contact roller guide rod 28 is fixedly connected on the frame of vehicle body 4, compresses the lower end installation of push rod 9 In L-shaped bracket, pressure sensor 10, the bracket are installed between the horizontal part of the bottom surface and bracket that compress push rod 9 Vertical portion be upward through the base of frame of vehicle body 4, the vertical portion of the bracket is cased with pressure between top and the frame of vehicle body 4 Power spring 11, the output signal of the pressure sensor 10 are used to control the stopping movement for compressing push rod 9.What contact roller 8 used Metal wheel, cooperation conduction brush realize that aerial cable moving trolley, with route equipotential always, is the control on vehicle on alive circuit Unit and the steady operation of telecommunication circuit provide good electromagnetic environment.

The long-range release gear of hoisting rope as shown in Figure 5 is also equipped on the vehicle body 4, the hoisting rope remotely solves deduction Structure includes two cotter ways 17 for being separately mounted to the frame both ends of vehicle body 4, and the one side wall of each cotter way 17 runs through and slides It is connected with the solution pin buckle 36 of the width direction extension along vehicle body 4, the end of the solution pin buckle 36, which is connected with, L-shaped unbuttons shifting block 35, it is also cased in the solution pin buckle 36 and unbuttons reset spring 37, unbutton the metal framework one that vehicle body 4 is withstood in 37 one end of reset spring Side, the other end withstand solution pin buckle 36 and are located at the lug boss of 17 side of cotter way so that solve pin buckle have it is original to 17 direction of cotter way Reset latching force；It further include being mounted on the electronic of frame side of vehicle body 4 along the length direction of vehicle body 4 and unbuttoning push rod 27, The movable end for unbuttoning push rod 27, which is equipped with, unbuttons push plate guide pad 39, and the push plate guide pad 39 of unbuttoning is slidably connected to solution Push plate guide rod 38 is detained, described to unbutton push plate guide rod 38 and be arranged in parallel with push rod 27 is unbuttoned, both ends are connected separately with and unbutton Transmission shaft pedestal 40, it is described unbutton be rotatably connected on transmission shaft pedestal 40 it is vertical unbutton transmission shaft 32, it is described to unbutton transmission 32 lower part of axis is fixedly installed on the travel track on the outside of the both ends for being located at and unbuttoning push plate 31 and unbuttons input driving lever 33, and top is solid Dingan County be equipped with unbutton shifting block 35 cooperation unbutton output driving lever 34.

For the frictional force for reducing ascend a height workload and lifting process and cable 20, this programme is used to be connected by wire-hanging hook Two connected wire-hanging hooks 12 of bar 13, the spacing of two wire-hanging hooks 12 are greater than the length of vehicle body 4, and the lower end of each wire-hanging hook 12 connects Lifting tackle 14 is connected to, across the hoisting rope 15 for being wound with connection lifting and buckleing 6 on the lifting tackle 14, on the hanging wire hook link 13 It is connected with hook taking rope 16；The shaking of wire-hanging hook 12 in order to prevent falls off, and mousing-hook hangers 19 is equipped on the bill of wire-hanging hook 12.

Specific operation process is as follows:

Upper wire-hanging hook: a piece lightweight insulating cord will be promoted across cable 20 with lightweight insulating cord by small drone The both ends of rope 15 are drawn simultaneously across cable 20 is bypassed, and are hung upside down with hoisting rope 15 and are promoted wire-hanging hook 12, make lifting tackle 14, wire-hanging hook Connecting rod 13 climbs over cable 20, and wire-hanging hook 12 is hung on cable 20, applies opposition by hook taking rope 16 in the process Control the stability that wire-hanging hook 12 rises.

Trailer: hoisting rope 15 hangs down from 14 two sides of lifting tackle, and 15 middle part of hoisting rope of wherein side is connected with knot that can be undone by a pull In lifting button 6, lower section is beaten insurance sling again and is locked in cotter way 17 by solving pin buckle 36；Then the hoisting rope of the other side is pulled 15, promote aerial cable moving trolley；It is in an intermediate position that the elevation angle adjusts 7 normality of push rod, when aerial cable moving trolley is close to cable When 20, the control elevation angle adjusts push rod 7 and extends, and the position of lifting button 6 is deviated outward, and the stress point of aerial cable moving trolley changes There is elevation angle variation as shown in Figure 3, get out of the way cable 20, pulls on hoisting rope 15 until traction sheave 1 is higher than cable 20, then control The elevation angle processed adjusts push rod 7 and resets, and aerial cable moving trolley returns to vertical state, and loopback hoisting rope 15 hangs over line until traction sheave 1 On cable 20；It is in an intermediate position to unbutton 27 normality of push rod, stretched out respectively when unbuttoning, retract to maximum, minimum stroke, drive two Solution pin buckle 36 is extracted out from cotter way 17, and the knot that can be undone by a pull for pulling hoisting rope 15 to be connected to lifting button 6 is unlocked, and realizes hoisting rope 15 and frame The separation of ceases to be busy cable moving trolley；Each associated components such as pin buckle 36 are solved under the active force for unbuttoning reset spring 37 and are executed resets fortune It is dynamic；It unbuttons reset spring 37 while can guarantee the safety locking of the long-range release gear of hoisting rope, prevent ground staff from accidentally drawing and mention It rises rope 15 and unbuttons caused maloperation.Start motor 26 at this time, the traction sheave 1 of driving aerial cable moving trolley ground wire-hanging hook 12, it is driven out to the range of wire-hanging hook 12.Then, compressing the stretching of push rod 9 makes contact roller 8 be close to cable 20 from below, returns from cable 20 The active force returned acts on pressure sensor 10 through contact roller 8, compression push rod 9, and push rod 9 is compressed when reaching preset pressure value and is stopped Only and keep current state；Vehicle enters stable forward working condition in this way, carries out the construction operations such as unwrapping wire, line walking or block removing Process.

Pick up the car: aerial cable moving trolley drives into before two wire-hanging hooks 12, compresses push rod 9 and bounces back, makes contact roller 8 from cable 20 lower sections move down into the nearest face of car body 4, to allow line operation to leave sufficient space to pick up the car.The elevation angle adjusts push rod 7 and stretches respectively Length bounces back to maximum, minimum stroke, and two pieces of storages rope release shifting block 30 on lower pull rod 21, which respectively restricts storage, ties up 29 both ends of tightening latch The storage rope 18 of winding, which pushes to slide, realizes storage rope release, and surface personnel is by wherein the one of the lower end of storage rope 18 and hoisting rope 15 End is connected to form pick-up rope, is first lifted up aerial cable moving trolley, then adjusts the elevation angle and avoids cable 20, will then make somebody a mere figurehead Cable moving trolley is down to ground, completes pick-up process.

Take wire-hanging hook: in upper wire-hanging hook, hook taking rope 16 takes wire-hanging hook then as hanging wire hook link 13 is across around cable 20 Hook taking rope 16 is pulled to be lifted up hanging wire hook link 13, wire-hanging hook 12 is separated with cable 20, pulls on hook taking rope 16, makes to hang Line hook 12, hanging wire hook link 13, lifting tackle 14 are across cable 20, and slow release, which is picked up the car, restricts, by wire-hanging hook 12 and its relevant group Part is steady, safely removes.

To the mode that motor 26, the elevation angle adjust push rod 7, unbutton push rod 27, the control preferred wireless for compressing push rod 9, also Miniature webcam can be installed by wireless transmission method on aerial cable moving trolley with each operation link of close-ups, mention High security can also embed corresponding observing and controlling sensor in each important execution unit, be grasped by system controlling software prevention and control Any fault on work, and can be realized the control of such as elevation angle, it is preceding go out and before driving into dial line, shooting rope important operation process from The accurate operation of dynamicization.

Claims (10)

1. a kind of electrification aerial cable moving trolley, including traction sheave (1) and vehicle body (4), the traction sheave (1) be mounted on opening to Under wheel carrier (2) on, driven by motor (26), the wheel carrier (2) is mounted on the tops of vehicle body (4) by column (3), It is characterized in that: being provided with elevation angle remote adjustment mechanism on the vehicle body (4), be provided with lifting in elevation angle remote adjustment mechanism It detains (6).

2. a kind of electrification aerial cable moving trolley as described in claim 1, it is characterised in that: elevation angle remote adjustment mechanism Including pull rod being arranged in the same direction with the wheel shaft of traction sheave (1), by elevation angle adjusting push rod (7) driving, the pull rod is symmetrical arranged In vehicle body (4) both ends, the lifting button (6) is set on pull rod.

3. a kind of electrification aerial cable moving trolley as claimed in claim 2, it is characterised in that: the pull rod includes being located at vehicle body (4) upper connecting rod (5) of at least two of top and at least two lower pull rods (21) positioned at vehicle body (4) bottom, the lifting Button (6) is set on upper connecting rod (5), and the upper connecting rod (5) is commonly connected to upper connecting rod (22), and lower pull rod is commonly connected to lower company Bar (23), the upper connecting rod (22) are connected with lower link (23) by vertical links (24), and the vertical links (24) is by the elevation angle Adjust push rod (7) driving.

4. a kind of electrification aerial cable moving trolley as described in claim 1, it is characterised in that: connected on the lifting button (6) There is storage rope (18), the long-range relieving mechanism of storage rope is provided on the vehicle body (4).

5. a kind of electrification aerial cable moving trolley as described in claim 1 or 4, it is characterised in that: installed on the vehicle body (4) There is the long-range release gear of hoisting rope.

6. a kind of electrification aerial cable moving trolley as claimed in claim 5, it is characterised in that: the hoisting rope remotely solves deduction Structure includes the cotter way (17) for being separately mounted to the both ends of vehicle body (4), and the one side wall of the cotter way (17) runs through and slidably connects It solves pin buckle (36), is equipped on the vehicle body (4) and unbuttons push rod (27) with what solution pin buckle (36) was driven.

7. a kind of electrification aerial cable moving trolley as claimed in claim 6, it is characterised in that: the work for unbuttoning push rod (27) Moved end be equipped with it is parallel with it unbutton push plate (31), be respectively arranged on the outside of the both ends for unbuttoning push plate (31) and be mounted on solution Unbuttoning input driving lever (33) on button transmission shaft (32), it is described unbutton transmission shaft (32) and be rotationally connected be mounted on vehicle body (4) Unbutton transmission shaft pedestal (40), it is described unbutton be also equipped on transmission shaft (32) unbutton output driving lever (34), it is described unbutton it is defeated Driving lever (34) and solution pin buckle (36) transmission out.

8. a kind of electrification aerial cable moving trolley as described in claim 1, it is characterised in that: be equipped on the vehicle body (4) The cable hold-down mechanism being made of compression push rod (9) and contact roller (8).

9. a kind of electrification aerial cable moving trolley as claimed in claim 8, it is characterised in that: the cable hold-down mechanism also wraps It includes pressure sensor (10), the pressure between pressure sensor (10) detection contact roller (8) and cable (20), control compresses The stopping of push rod (9) acts.

10. a kind of electrification aerial cable moving trolley as described in claim 1, it is characterised in that: further include being connected by wire-hanging hook Two connected wire-hanging hooks (12) of bar (13), the lower end of each wire-hanging hook (12) are connected with lifting tackle (14), and the promotion is slided Across the hoisting rope (15) for connecting lifting button (6) is wound on wheel (14), hook taking rope (16) are connected on the hanging wire hook link (13).