CN217148391U - Deformable mechanism of tower assembling hoisting equipment - Google Patents

Abstract

The application discloses but group tower lifting device's flexible mechanism, including the base section landing leg, telescopic joint landing leg and drive assembly, the telescopic joint landing leg rotates with the work shaft of the tower to be connected, base section landing leg and telescopic joint landing leg sliding connection, drive assembly sets up on the base section landing leg, and drive assembly is suitable for adjusting the coincidence length between base section landing leg and the telescopic joint landing leg, and this group tower lifting device's flexible mechanism can freely stretch out and draw back and change length to support the work shaft of the tower, make things convenient for the hoist and mount of work shaft of the tower.

Description

Deformable mechanism of tower assembling hoisting equipment

Technical Field

The application relates to the technical field of power transmission line tower assembling construction, in particular to a deformable mechanism of tower assembling hoisting equipment.

Background

The power transmission line tower assembling is a basic operation, and due to the influence of external factors such as terrain environment, meteorological conditions, adjacent interference, mechanical permission and the like, the tower assembling operation modes are various, and the construction conditions, the selected machinery and the like are complicated.

The tower assembling operation environment comprises various terrain fields such as cities, villages, lakes and marshes, islands, mountains and the like, and various adjacent interferences such as iron facing, electricity facing, construction facing and the like, so that the tower assembling operation mode comprises different operation modes such as pole holding operation, crane operation, cantilever operation and the like.

However, the existing tower-assembling operation mode has the following defects: above-mentioned purpose of group tower operation mode is all for making the work tower body reach the assigned position, conveniently hoist and mount the operation, if the supporter structural strength of work tower body is not enough, may lead to the work tower body to fall and take place dangerously to conventional supporter is fixed mounting, can not help the work tower body to remove after setting up the completion, changes the operating position of work tower body and need demolish it and reinstall, reduces the operating efficiency.

Disclosure of Invention

An object of this application is to provide a structural strength is high and can freely stretch out and draw back the flexible mechanism of group tower lifting device who changes length.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a but group tower lifting device's deformation mechanism, includes base section landing leg, telescopic joint landing leg and drive assembly, the telescopic joint landing leg rotates with the work body of the tower to be connected, the base section landing leg with telescopic joint landing leg sliding connection, drive assembly set up in on the base section landing leg, drive assembly is suitable for the regulation the base section landing leg with coincidence length between the telescopic joint landing leg.

As an improvement, the telescopic joint supporting leg is nested in the base joint supporting leg, a sliding opening is formed in one side of the base joint supporting leg, a connecting rack is arranged on the telescopic joint supporting leg along the sliding direction, the connecting rack is installed in the sliding opening in a matched mode, and the connecting rack is connected with the driving assembly in a matched mode.

As an improvement, a guide assembly is arranged on the base section supporting leg, the guide assembly comprises guide rollers, and the guide rollers are suitable for being matched with the telescopic section supporting leg on two sides of the driving assembly in a rotating mode.

As an improvement, the both ends of telescopic joint landing leg are provided with spacing portion, be provided with the inductor on the base section landing leg, the inductor is suitable for sensing make when spacing portion drive assembly stop operation, the tip cover of base section landing leg is equipped with the detachable connector, the mounting hole has been seted up on the connector.

As an improvement, the deformable mechanism is suitable for moving in the radial direction of the working tower body, the periphery of the working tower body is provided with a limiting stopper, an included angle formed between the deformable mechanism and the working tower body is alpha, and the limiting stopper is suitable for enabling alpha to be less than 90 degrees.

Compared with the prior art, the beneficial effect of this application lies in: this flexible mechanism structural strength is high, use electrical control to realize automatic flexible change length, reduce the manpower and use, improve the operation security, set up flexible mechanism around the work tower body, utilize the extension of flexible mechanism can realize the operation such as the self-standing of group tower lifting device, from warping, self-climbing and translation, this flexible mechanism is simple and convenient with the equipment of work tower body, flexible mechanism can help the work tower body to reach the optional position of group tower operation, increase the operating efficiency.

Drawings

FIG. 1 is a front view of a preferred embodiment according to the present application;

FIG. 2 is a front view of a deformable mechanism according to a preferred embodiment of the present application as it opens;

FIG. 3 is a front view of a work tower according to a preferred embodiment of the present application;

FIG. 4 is a structural view of a full circumferential pulley according to a preferred embodiment of the present application;

FIG. 5 is a structural view of a telescoping joint leg according to a preferred embodiment of the present application;

FIG. 6 is a structural view of a base section leg according to a preferred embodiment of the present application;

FIG. 7 is an enlarged view at a in FIG. 5 according to a preferred embodiment of the present application;

FIG. 8 is an enlarged view at b of FIG. 6 in accordance with a preferred embodiment of the present application;

FIG. 9 is a schematic illustration of a standing process according to a preferred embodiment of the present application;

FIG. 10 is a schematic illustration before climbing in accordance with a preferred embodiment of the present application;

FIG. 11 is a schematic view of a deformable mechanism according to a preferred embodiment of the present application after it has been fully deployed;

FIG. 12 is a schematic view of a deformable mechanism attached to a tower section in accordance with a preferred embodiment of the present application;

FIG. 13 is a schematic view of two deformable mechanisms attached to a tower section in accordance with a preferred embodiment of the present application;

FIG. 14 is a schematic illustration of when climbing is completed according to a preferred embodiment of the present application;

FIG. 15 is a schematic view of a use state according to another preferred embodiment of the present application;

FIG. 16 is a schematic illustration of substrate detection according to a preferred embodiment of the present application.

In the figure: 1. a working tower body; 11. a stopper; 12. an upper turntable; 121. a radial pulley block; 13. a lower turntable; 131. a circumferential pulley block; 1311. a circumferential pulley; 1312. a guide hole; 14. a turntable; 15. a traction channel; 2. a traction mechanism; 3. a deformable mechanism; 31. a base section supporting leg; 311. a sliding port; 312. a guide assembly; 3121. a guide roller; 313. an inductor; 314. a connector; 3141. mounting holes; 32. a telescopic joint supporting leg; 321. connecting the racks; 322. a limiting part; 33. a drive assembly; 4. a tower foot; 5. tower sections; 6. a substrate; 7. a guy rope.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1, a preferred embodiment of the present application includes a working tower body 1, a traction mechanism 2 is disposed on the working tower body 1, the traction mechanism 2 is used for fixing and guiding a hoisting rope, a plurality of deformable mechanisms 3 are rotatably connected around the working tower body 1, deformable mechanism 3 is used for supporting work tower body 1, deformable mechanism 3 is suitable for through the liftoff position of adjusting length change work tower body 1, work tower body 1 includes light-duty work tower body 1 and heavy work tower body 1, light-duty work tower body 1 full height 1.5 meters, 3 length of deformable mechanism of connection are 8 meters, maximum working height is 15 meters, heavy work tower body 1 full height 1.8 meters, 3 length of deformable mechanism of connection are 12 meters, maximum working height is 20 meters, can set up the hank grinder on the work tower body 1, the jack-up rope is connected with the hank grinder, reserve 20 meters of surplus rope, jack-up rope tip installation lifting hook, make the jack-up rope realize the hoist and mount function.

The tower assembling and hoisting equipment consists of a working tower body 1 and a deformable mechanism 3, is driven by electric power, an action power supply is vertically transmitted to an operation mechanism from a ground control console through a cable, the occupied area range in the assembling and operation processes is small, the traffic requirement is low, the tower assembling and hoisting equipment can be used for conveying all places meeting the transportation requirements of tower materials, compared with a common tower assembling holding rod, the tower assembling and hoisting equipment is simpler, more convenient, easier and lighter to use, high in tower assembling efficiency, low in labor cost, small in risk, unlimited in operation height, suitable for assembling high-height iron towers and capable of automatically reaching any tower assembling position (including cross arm positions), is suitable for assembling long cross arm iron towers and has no operation dead angle; when the combined lifting tower is used, the working tower body 1 and the deformable mechanism 3 are quickly combined on the ground, and the operations of self-standing, self-climbing, self-balancing, self-displacement and the like can be realized after the power is turned on, so that the full-height and full-operation-surface lifting operation within the range of a tower foundation is realized.

As shown in fig. 2, the working tower body 1 is provided with a stopper 11 around, the stopper 11 preferably uses a stopper hinge pin, an included angle formed between the deformable mechanism 3 and the working tower body 1 is α, and the stopper 11 is adapted to make α < 90 °, so as to ensure that the deformable mechanism 3 can jack up the working tower body 1 when extended.

As shown in fig. 3 to 4, the working tower body 1 includes an upper rotary table 12 and a lower rotary table 13, the upper rotary table 12 is rotatably connected with the lower rotary table 13, a rotary table 14 composed of a plurality of rotary wheels is arranged between the upper rotary table 12 and the lower rotary table 13, the working tower body 1 can realize 360-degree full-rotation operation, the rotation is flexible and convenient, no operation dead angle exists, a traction channel 15 is arranged on the working tower body 1, the traction channel 15 penetrates through the upper rotary table 12 and the lower rotary table 13, the traction assembly includes a radial pulley block 121 and a circumferential pulley block 131, the radial pulley block 121 is arranged on the upper rotary table 12, the circumferential pulley block 131 is arranged on the lower rotary table 13, the hoisting rope is suitable for being introduced from the radial pulley block 121 and penetrates through the circumferential pulley block 131 from the traction channel 15, the working tower body 1 can form a fulcrum, and the hoisting rope is convenient to hoist.

The traction passage 15 is arranged at the axle center of the upper rotary table 12 and the lower rotary table 13, the radial pulley block 121 is arranged at one side of the traction passage 15, the circumferential pulley block 131 comprises a plurality of circumferential pulleys 1311, a plurality of circumferential pulley blocks 131 form a guide hole 1312 in a combining mode, the guide hole 1312 and the traction passage 15 are located on the same axle center, barrier-free passing of the hoisting rope is achieved, and dynamic balance deflection of the hoisting rope can be achieved.

As shown in fig. 5 to 8, the deformable mechanism 3 includes a base section support leg 31, an expansion section support leg 32 and a driving assembly 33, the driving assembly 33 includes a normally closed brake motor, a reducer, a gear and other assemblies, and has functions of swinging, revolving, expanding and bearing tensile load, and is a key assembly of self-standing, self-climbing and self-deformation of the tower crane assembly, the expansion section support leg 32 is rotatably connected with the working tower body 1, the base section support leg 31 is slidably connected with the expansion section support leg 32, the driving assembly 33 is arranged on the base section support leg 31, the driving assembly 33 is suitable for adjusting the overlapping length between the base section support leg 31 and the expansion section support leg 32, and under the deformation operation of the deformable mechanism 3, the tower crane assembly can be changed into a single-foot derrick mast, a herringbone derrick mast, a triangular derrick mast, a four-corner derrick mast and other crane assemblies, and can realize functions of amplitude-changing, revolving, climbing and other crane operations.

Telescopic joint landing leg 32 nests in base section landing leg 31, telescopic joint landing leg 32 and the preferred square pipe of using of base section landing leg 31, higher structural strength and activity stability have, sliding port 311 has been seted up to base section landing leg 31 one side, sliding port 311 is preferred to be set up in the one side towards work body of the tower 1, can reduce the entering of dust impurity, it receives the influence to avoid the activity between telescopic joint landing leg 32 and the base section landing leg 31, be provided with along the slip direction on the telescopic joint landing leg 32 and connect rack 321, connect rack 321 cooperation and install to sliding port 311 in, it is connected with the cooperation of drive assembly 33 to connect rack 321, the connected mode through rack and pinion, can be under less structure volume, realize longer sliding distance between base section landing leg 31 and the telescopic joint landing leg 32, thereby promote the maximum length that deformable mechanism 3 expanded.

The base section supporting leg 31 is provided with the guide assembly 312, the guide assembly 312 comprises guide rollers 3121, the two sides of the base section supporting leg 31 can be provided with the guide rollers 3121, the guide rollers 3121 are suitable for the telescopic section supporting leg 32 in the two sides of the driving assembly 33 in a rotating fit mode, the distance between the guide rollers 3121 and the driving assembly 33 is preferably 500mm, a rolling guide effect can be achieved on the telescopic section supporting leg 32, and stability is improved.

The both ends of telescopic joint landing leg 32 are provided with spacing portion 322, be provided with inductor 313 on the base section landing leg 31, inductor 313 is suitable for and makes drive assembly 33 stop working when sensing spacing portion 322, the preferred travel switch that uses of inductor 313, can restrict telescopic joint landing leg 32's home distance, avoid bumping or breaking away from between telescopic joint landing leg 32 and the base section landing leg 31, the tip cover of base section landing leg 31 is equipped with detachable connector 314, connector 314 plays the reinforcement effect, mounting hole 3141 has been seted up on connector 314, it is connected or articulated to carry out the soft rope through mounting hole 3141 and column foot or tower festival 5, convenient location and dismantlement, through the constant position of changing base section landing leg 31, realize the transform of work tower body 1 ground clearance position.

The standing process of the tower assembling and hoisting equipment is shown in fig. 9, and the working tower body 1 can be lifted upwards through the length change of the deformable mechanism 3.

The climbing process of the tower assembling and hoisting equipment is shown in fig. 10, and the tower assembling and hoisting equipment is connected to different tower sections 5 supporting points through the length change of the deformable mechanism 3, so that the integral climbing and translation of the tower assembling and hoisting equipment are realized.

Another embodiment of this application is shown in fig. 15, work body of the tower 1 is provided with four flexible mechanism 3 all around, adjust through the length to flexible mechanism 3, become two short two length with flexible mechanism 3 to fix with ground, realize the operation operating mode of herringbone derrick mast, carry out whole operation face and lift by crane perpendicularly, change the embarrassment that the derrick mast operation manpower was drawn to one side, still can realize the operation operating mode of hoisting structure such as one-foot derrick mast, triangle derrick mast and four corners derrick mast through adjusting length, quantity and the atress nature of flexible mechanism 3 on the same principle, adaptability is strong.

For the iron tower with a large high tower pole root, a tower assembling hoisting device can be arranged at each tower foot 4, the four tower assembling hoisting devices are used for assembling the tower together, and the large component can be lifted and hoisted.

Because the strength requirement of this group of tower hoisting equipment to base section landing leg 31 and telescopic joint landing leg 32 is higher, and the length overlength of base section landing leg 31 and telescopic joint landing leg 32 needs to be welded by many steel, the steel preferred 65 steel that uses, the processing requirement is full joint position butt welding, add the welding stiffening steel plate, the stiffening steel plate is intermittent welding, for the structural strength of the substrate 6 after guaranteeing the welding, need to detect the substrate 6 after the welding, the detection mode is as shown in figure 16, stand substrate 6 with four cable wind ropes 7 regular cross that the rope footpath is 13mm, the contained angle of substrate 6 and ground is beta, beta is 85, exert gravity and detect its deformation degree, full length side bend deformation is less than 10mm, full length circumferential distortion warp is less than 4 can satisfy the shaping requirement.

As shown in fig. 9 to 14, the operation method of the group tower hoisting device in this embodiment includes the following steps:

as shown in fig. 9, the first step: the working tower body 1 is arranged in the center of a tower footing, the deformable mechanisms 3 are connected with the working tower body 1, the deformable mechanisms 3 are connected in a pulling and tripping mode (the pulling and tripping connection is that the lower ends of the deformable mechanisms 3 are limited and connected by using tools such as soft ropes, so that the lower parts of the deformable mechanisms 3 cannot move), the hoisting ropes penetrate through the traction mechanisms 2 and are provided with lifting hooks, and the driving component 33 is connected with a power supply;

as shown in fig. 9, the second step: starting a power supply, extending the deformable mechanism 3 and lifting the working tower body 1 upwards until the telescopic joint supporting leg 32 completely extends out of the base joint supporting leg 31, stopping the driving assembly 33 and removing the traction connection between the deformable mechanisms 3;

as shown in fig. 9, the third step: adjusting the length of each deformable mechanism 3, and carrying out hoisting operation;

as shown in fig. 10, the fourth step: assembling the tower sections 5 on the tower feet 4, wherein the base section supporting legs 31 are correspondingly connected with the tower feet 4 one by one;

as shown in fig. 11 to 14, the fifth step: the working tower body 1 extends all the deformable mechanisms 3, then each deformable mechanism 3 is sequentially shortened and connected to the tower section 5 above, and after all the deformable mechanisms 3 are connected, the deformable mechanisms extend again and are assembled;

and a sixth step: assembling the next tower section 5 upwards, and repeating the fifth step until the whole tower is assembled;

the seventh step: and (5) dismantling the tower assembling hoisting equipment.

The seventh step includes the steps of:

a fixed point is arranged on the tower top, an opening pulley is arranged at the fixed point, a hoisting rope is sleeved in the fixed point, and the connection between the deformable mechanism 3 and the tower section 5 is released;

and a winching mill is arranged on the tower assembling hoisting equipment and is connected with the hoisting rope, the winching mill is rotated to discharge the hoisting rope, so that the tower assembling hoisting equipment descends to the ground from the tower top, and the hoisting rope is released after the tower assembling hoisting equipment falls to the ground.

The conventional dismantling process is the reverse process of the climbing process, the operation is complex, the time is consumed, and the quick dismantling of the tower assembling and hoisting equipment can be realized by optimizing and improving the dismantling seventh step.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (5)

1. The utility model provides a but group tower lifting device's flexible mechanism which characterized in that: including base section landing leg, telescopic joint landing leg and drive assembly, the telescopic joint landing leg rotates with the work shaft body to be connected, the base section landing leg with telescopic joint landing leg sliding connection, drive assembly set up in on the base section landing leg, drive assembly is suitable for the regulation the base section landing leg with coincidence length between the telescopic joint landing leg.

2. The deformable mechanism of a group tower lifting device of claim 1, wherein: the telescopic joint landing leg is nested in the base section landing leg, the slip mouth has been seted up to base section landing leg one side, be provided with the connecting rack along the slip direction on the telescopic joint landing leg, the connecting rack cooperation install extremely in the slip mouth, the connecting rack with the drive assembly cooperation is connected.

3. The deformable mechanism of a group tower hoisting device of claim 2, characterized in that: the base section supporting leg is provided with a guide assembly, the guide assembly comprises guide rollers, and the guide rollers are suitable for being matched with the telescopic section supporting leg in a rotating mode on two sides of the driving assembly.

4. The deformable mechanism of a group tower lifting device of claim 1, wherein: the both ends of telescopic joint landing leg are provided with spacing portion, be provided with the inductor on the base section landing leg, the inductor is suitable for sensing make during spacing portion drive assembly stop operation, the tip cover of base section landing leg is equipped with the detachable connector, the mounting hole has been seted up on the connector.

5. The deformable mechanism of a group tower lifting device of claim 1, wherein: the deformable mechanism is suitable for moving in the radial direction of the working tower body, the periphery of the working tower body is provided with a limiting stopper, an included angle formed between the deformable mechanism and the working tower body is alpha, and the limiting stopper is suitable for enabling alpha to be less than 90 degrees.

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