CN216142497U - Steel structure tower of power grid power transmission facility - Google Patents

Abstract

The utility model discloses a steel structure tower of a power grid power transmission facility, and relates to the technical field of power towers. The tower comprises a tower body and a middle support frame, wherein the tower body is fixed with the middle support frame, the middle support frame is connected with a crawling ladder assembly, the bottom of the crawling ladder assembly is connected with a base, the crawling ladder assembly comprises two support plates, a plurality of transverse plates are arranged between the two support plates, the upper side of the base is connected with a guide rod, the upper end of the guide rod is connected with the middle support frame, the transverse plates are sleeved on the guide rod, the uppermost transverse plate is connected with the support plates, the middle support frame is connected with guide plates, one sides of the guide plates are connected with a bearing mechanism, the bearing mechanism is connected with the support plates, the upper side of the base is connected with a stretching mechanism, and the stretching mechanism is respectively connected with the transverse plates and the support plates; thereby make things convenient for the staff to scramble at lower starting point, need not with the help of the instrument ladder, can contract the diaphragm to the curious climbing that the high place avoided irrelevant personnel after the staff finishes work simultaneously, convenient to use.

Description

Steel structure tower of power grid power transmission facility

Technical Field

The utility model relates to the technical field of power towers, in particular to a steel structure tower for a power grid power transmission facility.

Background

With the rapid growth of national economy, the power industry develops rapidly, and the rapid development of the transmission line iron tower industry is promoted. The transmission line tower is a tower structure used for supporting and overhead conducting wires, lightning wires and other accessories, so that the conducting wires and the conducting wires, the conducting wires and the tower, the conducting wires and the lightning wires, and the conducting wires and the ground or cross spanning objects keep a specified safety distance. The pylon generally installs the cat ladder, uses for the climbing of electric power maintainer.

The prior art has the following defects: the integral type of current pylon cat ladder all is permanent expansion design, can't shrink it, arouses irrelevant personnel's climbing easily, and the cat ladder generally is in the higher position setting in ground simultaneously, and this kind of design has brought the inconvenience for the maintainer, needs just can climb through the tool ladder.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a steel structure tower frame of a power grid transmission facility, which provides support for a ladder stand component by arranging a base and a guide plate, further provides support for a bearing mechanism by arranging the support plate in the ladder stand component, further facilitates the overlapping bearing of a transverse plate when the bearing component is unfolded, so that a worker can conveniently tread the transverse plate for climbing, is provided with a stretching mechanism to conveniently shrink and unfold the transverse plate, further provides guide for the shrinkage and the unfolding of the transverse plate by a guide rod, ensures the stable stretching and shrinking process of the transverse plate, further facilitates the climbing of the worker at a lower starting point by the ladder stand component formed by the stretching mechanism, the bearing mechanism, the transverse plate, the guide rod, the guide plate and the support plate, does not need to help a tool ladder, and can shrink the transverse plate to a high position after the worker finishes working to avoid the curiosity of irrelevant personnel, is convenient for use.

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

a steel structure tower of a power grid power transmission facility comprises a tower body and a middle support frame, wherein the tower body is fixedly connected with the middle support frame, the middle support frame is connected with a ladder stand component, the bottom of the ladder stand component is connected with a base, the ladder stand component comprises oppositely arranged support plates, the support plates are fixedly connected with the middle support frame, the bottoms of the support plates are fixedly connected with the base, a plurality of transverse plates are arranged between the two support plates, two guide rods are relatively and fixedly connected with the upper side of the base, the upper ends of the guide rods are fixedly connected with the middle support frame, the transverse plates are sleeved on the guide rods, the transverse plate on the uppermost side is fixedly connected with the support plate, the middle support frame is fixedly connected with a guide plate, the guide plate is fixedly connected with the support plates, one side of the guide plate is connected with a bearing mechanism, the bearing mechanism is connected with the supporting plate, the upper side of the base is connected with a stretching mechanism, and the stretching mechanism is respectively connected with the transverse plate and the supporting plate.

Through adopting the above-mentioned technical scheme, provide the support for the cat ladder subassembly through setting up base and deflector, and then set up the backup pad in the cat ladder subassembly and provide the support for bearing mechanism, and then bearing assembly is convenient for carry out the overlap joint bearing to the diaphragm when expanding, thereby be convenient for the staff tramples the diaphragm and scramble, it conveniently contracts the diaphragm and expands to set up tension mechanism, and then provide the direction for the shrink and the expansion of diaphragm through the guide bar, guarantee that the diaphragm extends and shrink process is stable, and then through tension mechanism, bearing mechanism, the diaphragm, the guide bar, the cat ladder subassembly that deflector and backup pad formed can make things convenient for the staff to scramble at lower starting point, need not with the help of the instrument ladder, simultaneously can contract the diaphragm to the curiosity climbing that avoids irrelevant personnel to the high place after the staff finishes work, and convenient to use.

The present invention in a preferred example may be further configured to: bearing mechanism includes the rack, seted up the guide way on the deflector just the rack is in slide in the guide way, rack toothing has a plurality of gears, the equidistant setting of gear, the lateral wall of pivot is located to the gear box, the pivot both ends respectively with two the backup pad rotates to be connected just the pivot with the diaphragm one-to-one sets up, the equal fixedly connected with L type overlap joint pole in pivot both ends, rack bottom fixed connection is in the output of first telescopic link, first telescopic link is kept away from rack one end with base fixed connection.

Through adopting above-mentioned technical scheme, it is spacing for the slip of rack to slide through the guide way, guarantee that the slip direction of rack is vertical, and then can realize push-up and drop-down to the rack through first telescopic link, thereby provide drive power for the meshing of rack and gear, make the rack can realize the rotation of pivot under the rotation of meshing gear, and then can realize the transform of vertical state and horizontality to L type overlap joint pole through the rotation of pivot, thereby can support the atress to the diaphragm when L type overlap joint pole horizontality, the staff of being convenient for scrambles, can make things convenient for reciprocating of diaphragm when L type overlap joint pole is vertical.

The present invention in a preferred example may be further configured to: the drawing mechanism comprises a telescopic hinged frame, the telescopic hinged frame is connected with one end of the transverse plate in a rotating mode through a first hinged shaft, the telescopic hinged frame is connected with the other end of the transverse plate in a sliding mode through a second hinged shaft, a limiting groove matched with the second hinged shaft is formed in the transverse plate, the transverse plate is the lowest in side, a stay cord is fixedly connected to the two ends of the transverse plate, the stay cord penetrates through the transverse plate, the transverse plate is close to the top, a slide bar is arranged on the transverse plate, the slide bar is fixedly connected with the supporting plate, the stay cord is wound on the slide bar, the stay cord is far away from one end of the transverse plate, a pull rod is fixedly connected to the output end of a second telescopic link, and the second telescopic link is far away from one end of the pull rod and the base is fixedly connected with the base.

Through adopting above-mentioned technical scheme, can restrict the biggest interval of two adjacent diaphragms through telescopic articulated frame on the one hand, the climbing of the staff of being convenient for, the shrink of the diaphragm of being convenient for on the other hand is close to, and then make telescopic articulated frame's result of use more stable through the direction of guide bar to the diaphragm, and then can realize through the mutual cooperation of stay cord, slide bar, pull rod and second telescopic link that the diaphragm is whole to be contracted to being close to slide bar one side, thereby avoid irrelevant personnel's curiosity climbing.

The present invention in a preferred example may be further configured to: the rack is fixedly connected with limiting blocks at equal intervals.

Through adopting above-mentioned technical scheme, can further carry on spacingly to the meshing distance of gear and rack through the stopper, from can effectively guaranteeing that L type overlap joint pole keeps the horizontality when supporting the atress to the diaphragm, support the effect best to the diaphragm.

The present invention in a preferred example may be further configured to: the upper side of the base is provided with a door body, the door body is hinged with one of the supporting plates, and the door body is connected with the other supporting plate through a coded lock.

Through adopting above-mentioned technical scheme, can protect and accomodate first telescopic link and second telescopic link after finishing work through setting up the door body and trick lock, further avoid irrelevant personnel to operate in violation of rules and regulations, cause the personal danger.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. the base and the guide plate are arranged to provide support for the ladder assembly, the support plate is arranged in the ladder assembly to provide support for the bearing mechanism, the bearing assembly is convenient to lap and bear the transverse plate when being unfolded, so that workers can conveniently tread the transverse plate to climb, the transverse plate is convenient to shrink and unfold by arranging the stretching mechanism, and then the guide rod is used for providing guide for the contraction and unfolding of the transverse plate, so that the transverse plate is ensured to be stable in the stretching and contraction process, the ladder assembly formed by the stretching mechanism, the bearing mechanism, the transverse plate, the guide rod, the guide plate and the support plate can be convenient for the workers to climb at a lower starting point, a tool ladder is not needed, and meanwhile, after the workers finish working, the transverse plate can be shrunk to a high position to avoid the curious climbing of the unrelated workers, and the ladder assembly is convenient to use;

2. the sliding of the rack is limited through the guide groove, the sliding direction of the rack is vertical, and the rack can be pushed up and pulled down through the first telescopic rod, so that driving force is provided for the engagement of the rack and the gear, the rack can rotate under the rotation of the engaging gear, and the L-shaped lapping rod can be changed between a vertical state and a horizontal state through the rotation of the rotating shaft, so that the transverse plate can be supported and stressed when the L-shaped lapping rod is in the horizontal state, the climbing of workers is facilitated, and the transverse plate can be conveniently moved up and down when the L-shaped lapping rod is vertical;

3. can restrict the maximum interval of two adjacent diaphragms through telescopic articulated frame on the one hand, the climbing of the staff of being convenient for, the shrink of the diaphragm of being convenient for on the other hand is close to, and then makes telescopic articulated frame's result of use more stable through the direction of guide bar to the diaphragm, and then can realize through mutually supporting of stay cord, slide bar, pull rod and second telescopic link that the diaphragm is whole to shrink to being close to slide bar one side to avoid irrelevant personnel's curiosity climbing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the ladder assembly of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

FIG. 4 is a schematic view of the cross plate in a retracted state in accordance with the present invention;

FIG. 5 is a schematic view of the cross panel of the present invention in the extended position.

Reference numerals: 1. a tower body; 2. a middle support frame; 3. a ladder assembly; 31. a support plate; 32. a transverse plate; 33. A guide bar; 34. a guide plate; 35. a load bearing mechanism; 351. a rack; 352. a guide groove; 353. a gear; 354. a rotating shaft; 355. an L-shaped lap joint rod; 356. a first telescopic rod; 36. a stretching mechanism; 361. a telescopic hinge frame; 362. pulling a rope; 363. a slide bar; 364. a pull rod; 365. a second telescopic rod; 4. a base; 5. a limiting block; 6. a door body; 7. a coded lock; 8. a limiting groove; 9. a first hinge shaft; 10. a second hinge shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a steel structure tower of a power grid power transmission facility, which comprises a tower body 1 and a middle support frame 2, wherein the tower body 1 is fixedly connected with the middle support frame 2, the middle support frame 2 is connected with a ladder stand component 3, the bottom of the ladder stand component 3 is connected with a base 4, the ladder stand component 3 comprises support plates 31 which are oppositely arranged, the two support plates 31 provide main support functions for the ladder stand component 3 and play roles of limiting and protecting subsequent components, the support plates 31 are fixedly connected with the middle support frame 2, the bottom of the support plates 31 is fixedly connected with the base 4, a plurality of transverse plates 32 are arranged between the two support plates 31, the transverse plates 32 are convenient for the feet of people to step on and are not too narrow, 30 cm is preferably set, the number of the transverse plates 32 is calculated and designed according to the height of the actual tower, and the maximum distance between the two adjacent transverse plates 32 when being unfolded is between 30 cm and 60 cm, the upper side of the base 4 is relatively and fixedly connected with two guide rods 33, the upper ends of the guide rods 33 are fixedly connected with the middle support frame 2, the transverse plate 32 is sleeved on the guide rods 33, the guide rods 33 play a role in guiding the transverse plate 32, wherein the transverse plate 32 at the uppermost side is fixedly connected with the support plate 31, the middle support frame 2 is fixedly connected with the guide plate 34, the guide plate 34 is fixedly connected with the support plate 31, one side of the guide plate 34 is connected with the bearing mechanism 35, the bearing mechanism 35 is connected with the support plate 31, the guide plate 34 plays a role in limiting the bearing mechanism 35, the bearing assembly is convenient for lapping and bearing the transverse plate 32 when being unfolded, thereby facilitating the climbing of the transverse plate 32 by the staff, the upper side of the base 4 is connected with a stretching mechanism 36, the stretching mechanism 36 is respectively connected with the transverse plate 32 and the supporting plate 31, the stretching mechanism 36 facilitates the transformation of the transverse plate 32 into the two states of contraction and expansion when in use.

As shown in fig. 2 and 4, the bearing mechanism 35 includes a rack 351, a guide slot 352 is formed on the guide plate 34, the rack 351 slides in the guide slot 352, the vertical length of the guide slot 352 should be greater than the vertical length of the rack 351, thereby ensuring that the rack 351 has a sufficient sliding range in the guide slot 352, and the guide slot 352 plays a role in limiting the sliding of the rack 351, the rack 351 is engaged with a plurality of gears 353, the gears 353 are arranged at equal intervals, the gears 353 are sleeved on the outer side wall of the rotating shaft 354, two ends of the rotating shaft 354 are respectively connected with the two support plates 31 in a rotating manner, the rotating shaft 354 is arranged in one-to-one correspondence with the transverse plate 32, two ends of the rotating shaft 354 are both fixedly connected with L-shaped lap-joint rods 355, the bottom of the rack 351 is fixedly connected to the output end of the first telescopic rod 356, one end of the first telescopic rod 356 far from the rack 351 is fixedly connected with the base 4, the first telescopic rod 356 preferably employs a hydraulic cylinder, so that the first telescopic rod 356 can push-up and pull-down of the rack 351, thereby for the meshing of rack 351 and gear 353 provides drive power, make rack 351 can realize the rotation of pivot 354 under the rotation of meshing gear 353, and then the rotation through pivot 354 can realize the transform of vertical state and horizontality to L type overlap joint pole 355, thereby as shown in fig. 3, can support the atress to diaphragm 32 when L type overlap joint pole 355 horizontality, the staff of being convenient for climbs, can make things convenient for reciprocating of diaphragm 32 to shrink when L type overlap joint pole 355 is vertical as shown in fig. 4.

As shown in fig. 2 and 5, the stretching mechanism 36 includes a telescopic hinge frame 361, the telescopic hinge frame 361 is rotatably connected to one end of the horizontal plate 32 through a first hinge shaft 9, the telescopic hinge frame 361 is slidably connected to the other end of the horizontal plate 32 through a second hinge shaft 10, the horizontal plate 32 is provided with a limit groove 8 matched with the second hinge shaft 10, preferably, the telescopic hinge frame 361 and each horizontal plate 32 are connected in a manner that the first hinge shaft is rotatably connected and the second hinge shaft is slidably connected, both ends of the lowest horizontal plate 32 are fixedly connected with a pull rope 362, preferably, the pull rope 362 is used by using a lock chain, further, the pull rope 362 penetrates other horizontal plates 32, a slide rod 363 is provided near the highest horizontal plate 32, the slide rod 363 is fixedly connected to the support plate 31, the pull rope 362 is wound around the slide rod 363, preferably, a fixed pulley is preferably provided at a winding position of the pull rope 362 and the slide rod 363, so as to limit the left and right sliding of the pull rope 362, also be convenient for simultaneously follow-up pull-down smoothly to stay cord 362, the fixed pulley is not shown in the figure, one end fixedly connected with pull rod 364 that the diaphragm 32 was kept away from to stay cord 362, pull rod 364 fixed connection is in the output of second telescopic link 365, pull rod 364 one end and base 4 fixed connection are kept away from to second telescopic link 365, it should adopt the pneumatic cylinder better for second telescopic link 365, second telescopic link 365 can realize the expansion of diaphragm 32 through upwards extending when using, the staff of being convenient for scrambles, stimulate stay cord 362 to rise to the topmost to diaphragm 32 when second telescopic link 365 contracts, thereby realize whole contractions to diaphragm 32, avoid irrelevant personnel to scramble.

As shown in fig. 4, the rack 351 is fixedly connected with a limit block 5 at equal intervals, and the engagement distance between the gear 353 and the rack 351 can be further limited by the limit block 5, so that the L-shaped lapping rod 355 can be effectively ensured to keep a horizontal state when supporting and stressing the transverse plate 32, and the supporting effect on the transverse plate 32 is optimal. As shown in fig. 1, 4 upside of base is equipped with a body 6, and a body 6 is articulated with one of them backup pad 31, and a body 6 passes through trick lock 7 with another backup pad 31 to be connected, can protect and accomodate first telescopic link 356 and second telescopic link 365 after finishing work through setting up a body 6 and trick lock 7, further avoids irrelevant personnel's operation in violation of rules and regulations, causes the personal danger.

The implementation principle of the embodiment is as follows: when a worker needs to climb the tower, firstly, the door body 6 is opened through the coded lock 7, then the second telescopic rod 365 is operated to extend to push the pull rod 364 to move upwards, at the moment, the pull rope 362 starts to be in a loose state, so that the transverse plate 32 contracted at a high position slides downwards under the limit of the guide rod 33, at the same time, the transverse plates 32 are ensured to fall to a preset height through the telescopic limit of the telescopic hinged frame 361, when the transverse plates 32 are completely unfolded, the telescopic action of the second telescopic rod 365 is stopped, then the first telescopic rod 356 is operated to push the rack 351 to slide upwards in the guide groove 352, at the same time, the rack 351 is meshed with the gear 353 to rotate, the L-shaped lapping rod 355 in a vertical state can be rotated clockwise through the rotation of the gear 353, when the gear 353 is in contact with the limit block 5, the telescopic action of the second telescopic rod 365 is stopped, at the moment, the L-shaped lapping rod 355 is in a horizontal state and is lapped on the bottom side of the corresponding transverse plate 32, thereby play atress supporting role to diaphragm 32, and then the staff can begin the climbing, carry out eminence circuit maintenance, after the use above-mentioned step of reverse operation can contract diaphragm 32 to the eminence, avoided irrelevant personnel's curiosity climbing, and then close door body 6 and further restrict other personnel and contact first telescopic link 356 and second telescopic link 365, improve the security.

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

Claims (5)

1. The utility model provides a power grid transmission facility steel construction tower, includes pylon body (1) and intermediate strut frame (2), pylon body (1) with intermediate strut frame (2) fixed connection, its characterized in that: the middle support frame (2) is connected with a ladder stand component (3), the bottom of the ladder stand component (3) is connected with a base (4), the ladder stand component (3) comprises support plates (31) which are arranged oppositely, the support plates (31) are fixedly connected with the middle support frame (2), the bottom of each support plate (31) is fixedly connected with the base (4), a plurality of transverse plates (32) are arranged between the two support plates (31), two guide rods (33) which are arranged oppositely are fixedly connected with the upper side of the base (4), the upper ends of the guide rods (33) are fixedly connected with the middle support frame (2), the transverse plates (32) are sleeved on the guide rods (33), the transverse plate (32) at the uppermost side is fixedly connected with the support plates (31), the guide plate (34) is fixedly connected with the middle support frame (2), and the guide plate (34) is fixedly connected with the support plates (31), one side of the guide plate (34) is connected with a bearing mechanism (35), the bearing mechanism (35) is connected with the support plate (31), the upper side of the base (4) is connected with a stretching mechanism (36), and the stretching mechanism (36) is respectively connected with the transverse plate (32) and the support plate (31).

2. The power grid transmission facility steel structure tower of claim 1, wherein: the bearing mechanism (35) comprises a rack (351), a guide groove (352) is formed in the guide plate (34), the rack (351) slides in the guide groove (352), a plurality of gears (353) are meshed with the rack (351), the gears (353) are arranged at equal intervals, the outer side wall of a rotating shaft (354) is sleeved with the gears (353), two ends of the rotating shaft (354) are respectively rotatably connected with two support plates (31) in a one-to-one mode, the rotating shaft (354) and the transverse plate (32) are arranged in a one-to-one mode, L-shaped overlapping rods (355) are fixedly connected to two ends of the rotating shaft (354), the bottom of the rack (351) is fixedly connected to the output end of a first telescopic rod (356), and one end, far away from the rack (351), of the first telescopic rod (356) is fixedly connected with the base (4).

3. The power grid transmission facility steel structure tower of claim 1, wherein: the stretching mechanism (36) comprises a telescopic hinged frame (361), the telescopic hinged frame (361) is rotatably connected with one end of the transverse plate (32) through a first hinged shaft (9), the telescopic hinged frame (361) is slidably connected with the other end of the transverse plate (32) through a second hinged shaft (10), a limiting groove (8) matched with the second hinged shaft (10) is formed in the transverse plate (32), two ends of the transverse plate (32) at the lowest side are fixedly connected with pull ropes (362), the pull ropes (362) penetrate through other transverse plates (32), a slide rod (363) is arranged on the transverse plate (32) close to the highest side, the slide rod (363) is fixedly connected with the supporting plate (31), the pull ropes (362) are wound on the slide rod (363), and one end, far away from the transverse plate (32), of the pull rod (364) is fixedly connected with the pull rod (362), the pull rod (364) is fixedly connected to the output end of a second telescopic rod (365), and one end, far away from the pull rod (364), of the second telescopic rod (365) is fixedly connected with the base (4).

4. The power grid transmission facility steel structure tower of claim 2, wherein: the rack (351) is fixedly connected with limit blocks (5) at equal intervals.

5. The power grid transmission facility steel structure tower of claim 1, wherein: the upper side of the base (4) is provided with a door body (6), the door body (6) is hinged to one of the support plates (31), and the door body (6) is connected with the other support plate (31) through a coded lock (7).

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