CN213446116U

CN213446116U - Gate well sharing binary channels maintenance system

Info

Publication number: CN213446116U
Application number: CN202022300655.4U
Authority: CN
Inventors: 蒋建国; 顾燕菁; 汪佳琪; 郭建虎
Original assignee: Hangzhou Dajiang Machinery Co ltd
Current assignee: Hangzhou Dajiang Machinery Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-15
Anticipated expiration: 2030-10-15

Abstract

The application relates to a gate well shared double-channel maintenance system, which comprises a well platform, a horizontal transportation channel connected to the well platform, and a vertical maintenance channel arranged on the well platform and communicated with the horizontal transportation channel, wherein the horizontal transportation channel comprises a truss vehicle double-track rail which is connected with a door machine in a sliding manner; still be equipped with manned double track on the well platform, manned double track sliding connection has the manned hoist that bears the maintainer and carry out level, vertical motion, manned double track with the purlin car double track extends along same direction, just two orbital intervals in the manned double track are less than two orbital intervals in the purlin car double track. The method has the effect of sharing the double channels under the condition that the work of the original door machine is not influenced.

Description

Gate well sharing binary channels maintenance system

Technical Field

The application relates to the technical field of hydropower station maintenance, in particular to a gate well sharing double-channel maintenance system.

Background

When in the past, the maintenance personnel go down to the shaft bottom through the mode of climbing fixed cat ladder and carry out maintenance work. However, the fixed crawling ladder is easy to corrode, a maintenance worker can climb up and down inconveniently and safely, and cannot carry heavy maintenance tools and the like, so that the maintenance worker often takes the goods cage to lift under the control of the dam top gantry crane.

The dam top gantry crane is a large-scale gantry crane at the top of the dam, is a very critical part in the using process of the dam, and has irreplaceable effects in the work of part of electrical equipment, gate starting, internal maintenance and the like in the dam.

In recent years, with the gradual rise of safety awareness, inspection regulations of separating people from goods have been developed during inspection, that is, when a gantry crane is used to transport a suspended object, an inspector is required to independently lift the inspector when the suspended object is not transported, instead of lifting and inspecting the gantry crane along with the suspended object. But this kind of way can occupy the transportation time of door machine in a large number on the one hand, reduces work efficiency, and on the other hand door machine only has the safety protection system to the goods, and personnel take door machine safety also can not obtain the guarantee.

Therefore, a new solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, the purpose of this application is to provide a gate well sharing binary channels maintenance system.

The above object of the present application is achieved by the following technical solutions:

a gate well shared double-channel maintenance system comprises a well platform, a horizontal transportation channel connected to the well platform, and a vertical maintenance channel arranged on the well platform and communicated with the horizontal transportation channel, wherein the horizontal transportation channel comprises a truss car double-track, and the truss car double-track is connected with a door machine in a sliding manner; still be equipped with manned double track on the well platform, manned double track sliding connection has the manned hoist that bears the maintainer and carry out level, vertical motion, manned double track with the purlin car double track extends along same direction, just two orbital intervals in the manned double track are less than two orbital intervals in the purlin car double track.

When the old gate shaft is arranged, only the transportation part of a gantry crane lifting appliance is usually designed, and a sufficient space is not reserved on a shaft platform to arrange a second set of gantry crane lifting appliance special for transporting maintainers;

when the manned double-track is arranged for double-channel sharing, the interference between the manned lifting appliance and the original gantry crane must be considered, and in order to ensure that the manned lifting appliance does not influence the work of the gantry crane lifting appliance, the distance between the manned double-track is set to be smaller than the distance between the truss crane double-track, so that the movement of the gantry crane lifting appliance in the horizontal direction is not influenced; meanwhile, the manned double rails are arranged on the ground, so that the gantry crane can be lifted and cannot be intercepted by the manned double rails during descending, the effective transportation height of a gantry crane lifting appliance is not influenced, and finally, the horizontal movement and the lifting movement of the gantry crane are not influenced by the manned double rails, so that the manned double rails and the horizontal transportation channel and the vertical maintenance channel of the truss crane double rails can be shared, and a maintainer can transport the gantry crane only through the manned lifting appliance without occupying the gantry crane, so that the gantry crane can normally transport goods.

The present application may be further configured in a preferred example to: vertical maintenance passageway is including the vertical maintenance side that is close to the maintenance position, keeping away from the vertical extension side of maintenance position, manned double track is including the first manned track that is close to the vertical extension side, the second manned track that is close to the vertical maintenance side, the purlin car double track with manned double track is located same horizontal plane, the well platform in vertical extension side is provided with the support column in the side direction, first manned track supports in the support column.

When the position of the maintainer is adjusted, the maintainer needs to be close enough to the maintenance surface, and because the distance between the manned double tracks needs to be smaller than that between the trussed double tracks, therefore, the position adjustment of the maintainers is limited by the positions of the manned double tracks and is difficult to reach the close position which can be reached when the gantry crane is normally used, the support columns are arranged on the vertically extending sides to provide support, so that the first people carrying track can be supported to the position right above the vertical maintenance passage under the support of the support columns, thereby guarantee that first manned track is in between the purlin car double track, the second manned track need not too near vertical maintenance passageway this moment, just can satisfy the condition that the manned double track pitch is less than the purlin car double track, does not disturb the motion of door machine, through making manned hoist be close to the orbital mode of second manned, comes to bring the maintainer to be close to the vertical maintenance side that the second manned track belongs to afterwards.

The present application may be further configured in a preferred example to: the manned lifting appliance comprises a longitudinal moving cart sliding along manned double rails and a transverse moving trolley sliding perpendicular to the manned double rails, the longitudinal moving cart is provided with an adjusting slide rail, the adjusting slide rail extends along the horizontal direction, the extending direction is perpendicular to the extending direction of the manned double rails, and the transverse moving trolley is connected to the adjusting slide rail through an adjusting pulley device and slides along the adjusting slide rail; and a lifting device is connected between the transverse moving trolley and the sliding pulley component.

If a maintainer takes the gantry crane to lift, only a cargo falling prevention system is arranged in the structure of the gantry crane, but a brake system and a falling prevention system for the maintainer are not arranged, and the safety is lacked;

and after the manned sling enters the vertical maintenance passage, the horizontal position of the maintainer can still be adjusted by adjusting the positions of the transverse moving trolley and the longitudinal moving trolley, so that the maintainer can be close to the surface to be overhauled, and the gantry crane can be avoided for transportation, so that the manned sling does not influence the operation of the gantry crane.

The present application may be further configured in a preferred example to: the outer peripheral wall of the transverse moving trolley is provided with a plurality of anti-collision rollers, and the anti-collision rollers roll along the vertical direction; the anti-collision rollers are distributed on each outer wall of the transverse moving trolley facing the vertical maintenance passage in an evenly distributed mode.

When a maintainer goes deep into the vertical maintenance channel along with the transverse moving trolley, the transverse moving trolley needs to be close to the inner wall of the vertical maintenance channel, so that the operation of the maintainer in the vertical maintenance channel is facilitated;

simultaneously, after the lateral shifting dolly passes through the vertical maintenance passageway of anticollision gyro wheel butt, can continue elevating system to control the lift of lateral shifting dolly, anticollision gyro wheel and vertical maintenance passageway roll connection this moment, can greatly reduced frictional resistance and friction loss.

The present application may be further configured in a preferred example to: the lateral shifting dolly package mainly comprises the main frame, connects in the sub vehicle frame at main frame length direction both ends, vertical maintenance passageway is including the vertical maintenance side that is close to the maintenance position, the main frame the sub vehicle frame is on a parallel with the vertical maintenance side and expandes, two the sub vehicle frame with the junction of main frame all is equipped with a set of elevating gear.

The main frame is used for overhauling, and by adopting the technical scheme, the auxiliary frames are additionally arranged at the two ends of the main frame, so that the whole transverse moving trolley is in an open shape, the working area of an overhauling worker is increased, and the two side ends of the vertical maintenance channel can be overhauled more conveniently;

meanwhile, the two groups of lifting devices are arranged between the auxiliary vehicle and the main vehicle frame, so that the auxiliary vehicle and the main vehicle frame can be kept stable in the lifting process, and the deflection condition can not occur.

The present application may be further configured in a preferred example to: the adjusting pulley device comprises a sliding seat, the lifting device comprises a lifting machine connected to the sliding seat, a safety rope with one end connected to the lifting machine, and a rope collector connected to the other end of the safety rope, wherein the rope collector is connected to the transverse moving trolley.

By adopting the technical scheme, the rope winding device and the hoister are matched to control the winding and unwinding of the safety rope in a double-insurance mode, so that the safety rope is always kept to be controlled in height in the winding and unwinding process.

The present application may be further configured in a preferred example to: the rope collecting device is arranged at the bottom of the transverse moving trolley, the transverse moving trolley is connected with a limiting pipe sleeved outside the safety rope below each lifting machine, and the safety rope extends along the limiting pipe and is connected with the rope collecting device; the limiting pipe comprises a first surrounding section and a second surrounding section, the first surrounding section is arranged on one side of the transverse moving trolley, the second surrounding section is arranged on the other side of the transverse moving trolley, the first surrounding section bypasses the transverse moving trolley on one side of the transverse moving trolley and is communicated with the rope collecting device at the bottom of the transverse moving trolley, the second surrounding section bypasses the transverse moving trolley on the other side of the transverse moving trolley and is communicated with the rope collecting device at the bottom of the transverse moving trolley, and the safety rope comprises a first safety rope penetrating through the first surrounding section and a second safety rope penetrating through the second surrounding section.

By adopting the technical scheme, the safety rope is divided into the first safety rope and the second safety rope to surround the transverse moving trolley, so that the transverse moving trolley is wound by the safety ropes in the circumferential direction and is more stably subjected to the pulling force provided by the safety ropes, the transverse moving trolley is more difficult to shake when the position is adjusted, and the working environment of a maintainer is more stable;

and carry out spacing and protection for the safety rope of winding through spacing pipe, prevent that the safety rope from taking place to slide, lead to the position skew.

The present application may be further configured in a preferred example to: the longitudinal moving cart comprises two groups of same supporting mechanisms, each group of supporting mechanisms is connected with one group of lifting devices, and the two supporting mechanisms are connected through a connecting rod; every supporting mechanism of group all includes with manned double track way complex loose pulley assembly, connect in loose pulley assembly's support erect the roof beam, connect in the actuating mechanism who supports perpendicular roof beam and drive loose pulley assembly motion, wherein manned double track way includes first manned track, second manned track, loose pulley assembly corresponds first manned track, second manned track and is equipped with a set ofly respectively, and two sets of loose pulley assembly all are connected with the support and erect the roof beam, and two supports and to connect through supporting beam between the perpendicular roof beam, the adjustment slide rail is seted up in supporting beam.

By adopting the technical scheme, each supporting mechanism supports one group of lifting devices of the transverse moving trolley, so that the transverse moving trolley can be stably supported and can be uniformly and evenly stressed and balanced under the support of the two groups of supporting mechanisms.

The present application may be further configured in a preferred example to: every group loose pulley assembly all includes at least one initiative pulley, a plurality of driven pulley, support the vertical beam including the first montant of connecting the initiative pulley, connect the second montant of driven pulley, first montant and second montant slope setting in opposite directions to crossing formation coincidence point in loose pulley assembly top, the supporting beam is connected in this coincidence point.

Through adopting above-mentioned technical scheme, when connecting loose pulley assembly, use first montant, second montant all to connect every pulley, make to support that the perpendicular roof beam of support is better to supporting beam's supporting effect, supporting beam and lateral shifting dolly can be through the more stable pulley assembly motion that follows of setting up of a plurality of support perpendicular roof beams.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the manned double rails, a safe manned lifting appliance is transformed and additionally arranged on the mine platform, so that the safety of maintainers is ensured, and the normal transportation of a gantry crane to a lifted object is not influenced;

2. through the design of anticollision gyro wheel, improve the security of lateral shifting dolly, guarantee maintainer operational environment's stability.

Drawings

Fig. 1 is a first schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the second embodiment of the present application.

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic illustration of the construction of a personal sling according to an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of an embodiment of the present application.

In the figure, 1, a shaft platform; 2. a horizontal transport channel; 21. a truss car double track; 3. a vertical maintenance channel; 31. a vertical maintenance side; 32. a vertically extending side; 33. a support pillar; 4. a manned double track; 5. a manned sling; 6. longitudinally moving the cart; 61. adjusting the slide rail; 62. adjusting the pulley device; 621. a sliding seat; 63. a support mechanism; 631. a sheave assembly; 632. supporting the vertical beam; 633. a support beam; 634. a driving pulley; 635. a passive pulley; 636. a first vertical bar; 637. a second vertical bar; 638. a drive motor; 64. a connecting rod; 7. transversely moving the trolley; 71. a limiting pipe; 72. a first surrounding section; 73. a second surrounding section; 74. a main frame; 75. an auxiliary frame; 76. anti-collision rollers; 8. a lifting device; 81. a hoist; 82. a safety cord; 83. a rope retracting device.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, for a gate well sharing binary channels maintenance system that this application discloses, including well platform 1, connect in the horizontal transportation passageway 2 of 1 top surfaces of well platform, set up in well platform 1 and communicate the vertical maintenance passageway 3 of horizontal transportation passageway 2, wherein horizontal transportation passageway 2 is promptly the purlin car double track way 21 of connecting at well platform 1 top, and vertical maintenance passageway 3 is vertical maintenance, the transportation passageway of opening downwards.

The gantry crane moves along the truss double track 21 to transport the hoisted objects. The manned double-track rail 4 is arranged between the two rails of the truss double-track rail 21, the manned lifting appliance 5 is connected to the manned double-track rail 4 in a sliding mode, and when the gantry crane carries out material transportation, the manned lifting appliance 5 can be avoided in a lifting mode of a lifted object, so that the manned lifting appliance 5 does not influence the transportation of the gantry crane and the lifted object. In order to enable the manned lifting appliance 5 not to influence the transportation of the gantry crane, the manned double rails 4 are also directly arranged on the top surface of the hoistway platform 1 instead of additionally modifying the rails in a suspension manner, so that the lifting heights of the gantry crane and the hoisted object are not influenced, and the gantry crane and the hoisted object are prevented from being intercepted by the suspended rails.

Referring to fig. 1 and 2, when the overhaul personnel overhaul, the overhaul personnel and the to-be-overhauled surface are close enough, and because the distance between the manned double rails 4 needs to be smaller than the truss vehicle double rails 21, the position adjustment of the overhaul personnel is limited by the positions of the manned double rails 4, and the access position which can be reached when the door machine is used normally is difficult to reach.

Thus, the side of the vertical maintenance aisle 3 close to the maintenance position is called the vertical service side 31, the side far from the maintenance position is called the vertical extension side 32, the two rails of the people mover double rail 4 are respectively called the first people mover rail close to the vertical extension side 32, and the second people mover rail close to the vertical service side 31. Support columns 33 are arranged on the vertically extending sides 32 to provide support, and the support columns 33 extend vertically upwards, so that the first manned track can be supported to be right above the vertical maintenance channel 3 under the support of the support columns 33, and the first manned track is ensured to be located between the two trussed vehicle tracks 21.

At this time, even if the second manned track has a longer reserved distance from one end of the vertical maintenance channel 3, the distance between the two manned tracks 4 is still far smaller than that between the two trussed vehicle tracks 21, so that the movement of the gantry crane is not interfered. The reserved distance between the second manned track and the vertical maintenance channel 3 can be used for enabling maintenance personnel to conveniently lift the manned lifting appliance 5 from top to bottom, the reserved distance can also be used for stopping the part of the manned lifting appliance 5 on the shaft platform 1, and space is reserved for the transportation of the gantry crane in the vertical maintenance channel 3.

As shown in fig. 1 and 3, the people sling 5 includes a longitudinal moving cart 6 sliding along the people double-rail 4, and a transverse moving cart 7 sliding perpendicular to the people double-rail 4, wherein the longitudinal moving cart 6 is provided with an adjusting slide rail 61, the adjusting slide rail 61 extends along the horizontal direction, and the extending direction is perpendicular to the extending direction of the people double-rail 4. The transversely moving trolley 7 is connected to the adjusting slide rails 61 by using the adjusting pulley device 62, so that the adjustment of each position of the transversely moving trolley 7 in the horizontal direction is realized by the sliding of the transversely moving trolley 7 along the adjusting slide rails 61 and the sliding of the longitudinally moving trolley 6 along the manned double rails 4. A lifting device 8 is connected between the transverse moving trolley 7 and the sliding pulley assembly 631, and the lifting device 8 is used for realizing the lifting of the transverse moving trolley 7 in the vertical direction.

Specifically, the longitudinal movement cart 6 comprises two sets of same supporting mechanisms 63, each set of supporting mechanism 63 is connected with one set of adjusting pulley device 62 and one set of lifting device 8, and the transverse movement cart 7 is pulled by two stress points through the two sets of adjusting pulley devices 62 and the two sets of lifting devices 8, so that the movement is safer and more stable. The two supporting mechanisms 63 are connected through a connecting rod 64, so that a unified longitudinal moving cart 6 is formed.

As shown in fig. 4, each set of supporting mechanism 63 includes a pulley assembly 631 cooperating with the manned double rails 4, a supporting vertical beam 632 connected to the pulley assembly 631, and a driving mechanism connected to the supporting vertical beam 632 and driving the pulley assembly 631 to move, wherein the pulley assembly 631 corresponds to the first manned rail and the second manned rail and is provided with a set of rail, the two sets of pulley assemblies 631 are connected to the supporting vertical beam 632 extending vertically and upwardly, and the top portions of the two supporting vertical beams 632 are connected through a supporting beam 633. The adjusting slide rail 61 is arranged on one side of the supporting beam 633 along the length direction of the supporting beam 633, and the adjusting pulley device 62 drives the transverse moving trolley 7 to move along the adjusting slide rail 61.

Each set of pulley assemblies 631 includes a drive pulley 634 and a driven pulley 635, and the drive mechanism uses a drive motor 638 coupled to the drive pulley 634. The supporting vertical beam comprises a first vertical rod 636 connected with the driving pulley 634 and a second vertical rod 637 connected with the driven pulley, the first vertical rod 636 and the second vertical rod 637 are arranged obliquely in opposite directions and intersect above the pulley component 631 to form a coincident point, and the supporting cross beam 633 is connected to the coincident point, so that the supporting vertical beam 632 is supported more stably. In order to prevent the first vertical rod 636 and the second vertical rod 637 from being connected firmly after tilting, a reinforcing rod extending in the horizontal direction is connected between the first vertical rod 636 and the second vertical rod 637.

As shown in fig. 3 and 5, the adjusting pulley device 62 includes a sliding seat 621 slidably connected to the adjusting slide rail 61, and the sliding seat 621 is driven by a motor to move along the adjusting slide rail 61. The lifting device 8 includes a lifter 81 connected to the slider 621, a safety rope 82 having one end connected to the lifter 81, and a rope retractor 83 connected to the other end of the safety rope 82, and when the safety rope 82 is retracted, the lifter 81 performs operations of retracting and releasing the rope, and the rope retractor 83 keeps the safety rope 82 taut at all times.

As shown in fig. 4 and 5, in order to enable the traverse car 7 to be in sufficient contact with the safety rope 82, in particular, in order to enable the safety rope 82 to be stressed stably at the position of the safety rope 82, the rope take-up device 83 is arranged at the bottom of the traverse car 7, the limiting pipe 71 is arranged below each lifting machine 81, the limiting pipe 71 is connected to the traverse car 7 and sleeved outside the safety rope 82, and the safety rope 82 extends along the limiting pipe 71 until extending to the bottom of the traverse car 7 and then is connected into the rope take-up device 83.

The limit pipe 71 comprises a first surrounding section 72 arranged at one side of the transverse moving trolley 7 and a second surrounding section 73 arranged at the other side of the transverse moving trolley 7, the first surrounding section 72 surrounds the transverse moving trolley 7 at one side of the transverse moving trolley 7, the bottom of the transverse moving trolley 7 is communicated with a rope collecting device 83, the second surrounding section 73 is arranged on the other side of the transverse moving trolley 7 to surround the transverse moving trolley 7, and the bottom of the transverse moving trolley 7 is communicated with another rope collecting device 83, the safety rope 82 comprises a first safety rope 82 penetrating the first surrounding section 72 and a second safety rope 82 penetrating the second surrounding section 73, the first safety rope 82 and the second safety rope 82 are respectively collected through one rope collecting device 83, thereby the realization makes the motion of lateral shifting dolly 7 more stable to surrounding and winding of lateral shifting dolly 7, is difficult for appearing rocking, satisfies manned demand.

The transverse moving trolley 7 mainly comprises a main frame 74 and auxiliary frames 75 connected to the two ends of the main frame 74 in the length direction, wherein the main frame 74 and the auxiliary frames 75 are parallel to the vertical overhauling side 31 and are unfolded, so that the working area of an overhauling person is increased, and the two side ends of the vertical overhauling channel 3 can be overhauled more conveniently. Meanwhile, a group of lifting devices 8 are arranged at the joints of the two auxiliary frames 75 and the main frame 74, so that the auxiliary frames and the main frame 74 can be kept stable in the lifting process, and the deflection can not occur.

When the maintainer goes deep into the vertical maintenance passage 3 along with the transverse moving trolley 7, the transverse moving trolley 7 is required to be close to the inner wall of the vertical maintenance passage 3, so that the operation of the maintainer on the vertical maintenance passage 3 is facilitated. Therefore, a plurality of anti-collision rollers 76 are uniformly distributed on each peripheral wall of the transverse moving trolley 7, and the anti-collision rollers 76 roll along the vertical direction, so that when the transverse moving trolley 7 contacts the vertical maintenance channel 3, the transverse moving trolley 7 can be buffered through the anti-collision rollers 76, and the transverse moving trolley 7 is prevented from being unstable due to direct collision between the transverse moving trolley 7 and the vertical maintenance channel 3. Meanwhile, after the transverse moving trolley 7 abuts against the vertical maintenance channel 3 through the anti-collision roller 76, the lifting device 8 can be continuously used for controlling the lifting of the transverse moving trolley 7, and at the moment, the anti-collision roller 76 is in rolling connection with the vertical maintenance channel 3, so that the friction resistance and the friction loss can be greatly reduced.

The implementation principle of the embodiment is as follows: when the maintenance is prepared, a maintainer enters a manned lifting appliance 5 in a horizontal transportation channel 2 of a hoistway platform 1;

when overhauing, the door machine orders about to hang the thing and goes up and down at vertical maintenance passageway 3 and take the area of some vertical maintenance passageway 3, and the maintainer uses manned hoist 5 to get into vertical maintenance passageway 3 simultaneously and overhauls, occupies another part area of vertical maintenance passageway 3, and both share horizontal transport passageway 2, vertical maintenance passageway 3 to finally realize the binary channels sharing of horizontal transport passageway 2, vertical maintenance passageway 3 and use.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a gate well sharing binary channels maintenance system which characterized in that: the device comprises a well platform (1), a horizontal transportation channel (2) connected to the well platform (1), and a vertical maintenance channel (3) arranged on the well platform (1) and communicated with the horizontal transportation channel (2), wherein the horizontal transportation channel (2) comprises a truss vehicle double-track rail (21), and the truss vehicle double-track rail (21) is connected with a gantry crane in a sliding manner; still be equipped with manned double track way (4) on well platform (1), manned double track way (4) sliding connection has manned hoist (5) that bears the maintainer and carry out level, vertical motion, manned double track way (4) with purlin car double track way (21) extend along same direction, just two orbital intervals in manned double track way (4) are less than two orbital intervals in purlin car double track way (21).

2. The system of claim 1, wherein the system further comprises: vertical maintenance passageway (3) including vertical maintenance side (31) that is close to the maintenance position, keep away from vertical extension side (32) of maintenance position, manned double track way (4) including be close to vertical extension side (32) first manned track, be close to vertical maintenance side (31) second manned track, purlin car double track way (21) with manned double track way (4) are located same horizontal plane, well platform (1) in vertical extension side (32) upwards are provided with support column (33), first manned track supports in support column (33).

3. The system of claim 1, wherein the system further comprises: the manned lifting appliance (5) comprises a longitudinal moving cart (6) sliding along the manned double rails (4) and a transverse moving trolley (7) sliding perpendicular to the manned double rails (4), the longitudinal moving cart (6) is provided with an adjusting slide rail (61), the adjusting slide rail (61) extends along the horizontal direction, the extending direction is perpendicular to the extending direction of the manned double rails (4), and the transverse moving trolley (7) is connected to the adjusting slide rail (61) through an adjusting pulley device (62) and slides along the adjusting slide rail (61); a lifting device (8) is connected between the transverse moving trolley (7) and the sliding pulley component (631).

4. The system of claim 3, wherein the system comprises: the peripheral wall of the transverse moving trolley (7) is provided with a plurality of anti-collision rollers (76), and the anti-collision rollers (76) roll along the vertical direction; the anti-collision rollers (76) are distributed on each outer wall of the transverse moving trolley (7) facing the vertical maintenance channel (3) in an evenly distributed mode.

5. The system of claim 3, wherein the system comprises: the transverse moving trolley (7) is mainly composed of a main frame (74) and an auxiliary frame (75) connected to the two ends of the length direction of the main frame (74), a vertical maintenance channel (3) comprises a vertical maintenance side (31) close to a maintenance position, the main frame (74) and the auxiliary frame (75) are parallel to the vertical maintenance side (31) and are unfolded, and the auxiliary frame (75) and the joint of the main frame (74) are both provided with a set of lifting devices (8).

6. The system of claim 3, wherein the system comprises: the adjusting pulley device (62) comprises a sliding seat (621), the lifting device (8) comprises a lifting machine (81) connected to the sliding seat (621), a safety rope (82) with one end connected to the lifting machine (81), and a rope collecting device (83) connected to the other end of the safety rope (82), wherein the rope collecting device (83) is connected to the transverse moving trolley (7).

7. The system of claim 6, wherein the system comprises: the rope collecting device (83) is arranged at the bottom of the transverse moving trolley (7), a limiting pipe (71) sleeved outside the safety rope (82) is connected below each lifting machine (81) of the transverse moving trolley (7), and the safety rope (82) extends along the limiting pipe (71) and is connected to the rope collecting device (83); the limiting pipe (71) comprises a first surrounding section (72) arranged on one side of the transverse moving trolley (7) and a second surrounding section (73) arranged on the other side of the transverse moving trolley (7), the first surrounding section (72) bypasses the transverse moving trolley (7) on one side of the transverse moving trolley (7) and is communicated with a rope collecting device (83) at the bottom of the transverse moving trolley (7), the second surrounding section (73) bypasses the transverse moving trolley (7) on the other side of the transverse moving trolley (7) and is communicated with the rope collecting device (83) at the bottom of the transverse moving trolley (7), and the safety rope (82) comprises a first safety rope (82) penetrating through the first surrounding section (72) and a second safety rope (82) penetrating through the second surrounding section (73).

8. The system of claim 3, wherein the system comprises: the longitudinal moving cart (6) comprises two groups of same supporting mechanisms (63), each group of supporting mechanisms (63) is connected with one group of lifting devices (8), and the two supporting mechanisms (63) are connected through connecting rods (64); every supporting mechanism (63) of group all includes with manned double track way (4) complex loose pulley assembly (631), connect in loose pulley assembly (631) support erect roof beam (632), connect in supporting erect roof beam (632) and drive loose pulley assembly (631) moving actuating mechanism, wherein manned double track way (4) are including first manned track, second manned track, loose pulley assembly (631) correspond first manned track, second manned track and are equipped with a set ofly respectively, two sets of loose pulley assembly (631) all are connected with and support erect roof beam (632), two supports and connect through supporting beam (633) between erecting roof beam (632), adjustment slide rail (61) are seted up in supporting beam (633).

9. The system of claim 8, wherein the system further comprises: each group pulley assembly (631) all includes at least one driving pulley (634), a plurality of passive pulley (635), support vertical beam (632) including connect driving pulley (634) first montant (636), connect driven pulley's second montant (637), first montant (636) and second montant (637) slope setting in opposite directions to intersect and form the coincidence point above pulley assembly (631), supporting beam (633) connect in this coincidence point.