CN221042122U - Folding support for power maintenance - Google Patents

Abstract

The utility model discloses a folding bracket for power maintenance, which comprises a bearing plate, wherein two through holes are formed in the bottom wall of the bearing plate, two bidirectional screw rods are respectively connected in the two through holes in a rotating way, two sliding blocks are symmetrically sleeved on the outer sides of the bidirectional screw rods in a threaded way, a lifting plate is movably arranged in the through holes and below the bidirectional screw rods, two supporting rods are symmetrically and fixedly connected to the lower surface of the lifting plate, universal wheels are respectively arranged at the bottom ends of the two supporting rods, arm rods are hinged between the lower surfaces of the two sliding blocks and the upper surface of the lifting plate, and the structure enables the universal wheels to be contracted in the through holes when in use by means of telescopic adjustment of the two universal wheels, so that the whole device is prevented from shaking due to the universal wheels, and meanwhile, after the universal wheels are contracted into the through holes, the area of the bearing plate, which can be in direct contact with the ground, is increased, and the stability of the whole device when in use can be further increased.

Description

Folding support for power maintenance

Technical Field

The utility model relates to the technical field of power overhaul, in particular to a folding bracket for power maintenance.

Background

In order to ensure the reliability of power supply in the maintenance operation process of a power supply system, auxiliary implementation by means of some insulating tools is needed to greatly develop live working work of a distribution network, and at present, a folding bracket is needed in the maintenance operation of power equipment, but the existing folding bracket has a certain problem in use and still needs to be continuously improved;

The utility model discloses an insulating maintenance frame with an authorized bulletin number of CN218991478U, which comprises a movable bearing plate, wherein a folding ladder is arranged at the top of the bearing plate, a U-shaped supporting plate is fixedly connected to the folding ladder, and a hoop body for locking a telegraph pole is arranged on the supporting plate; the hoop body comprises two half hoops which are rotationally connected to the supporting plate, the locking pieces are arranged on the two half hoops, the friction plates are arranged on the inner ring of the half hoops, the folding ladder comprises a first ladder frame and a second ladder frame hinged to the first ladder frame, the support legs of the first ladder frame are fixedly connected with sleeves, the fixing shafts are rotationally connected to the sleeves, the whole device is locked with the telegraph pole through the hoop body, rollover of the whole device is avoided, safety performance is improved, later, the folding ladder can be maintained by a single person, other persons are not required to hold the folding ladder, workload of other persons is reduced, and the folding ladder has a simple structure and high practicability.

When the device is used, two half hoops are required to be fixed on the outer side of a telegraph pole, but the fixation is carried out by adopting a pass the imperial examinations ladder frame and a second ladder frame, then the two half hoops and the telegraph pole can be fixedly connected, and because the first ladder frame and the second ladder frame are rotationally arranged on the upper surface of the bearing plate, four universal wheels are arranged below the bearing plate, the universal wheels arranged on the bottom wall of the bearing plate can possibly drive the first ladder frame and the second ladder frame to shake when a worker climbs on the first ladder frame and the second ladder frame to fixedly connect the two half hoops and the telegraph pole, so that certain hidden danger exists in the personal safety of the worker.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model provides the folding bracket for power maintenance, which can solve the technical problem that because the first ladder frame and the second ladder frame are rotatably arranged on the upper surface of the bearing plate, and four universal wheels are arranged below the bearing plate, when a worker climbs on the first ladder frame and the second ladder frame to fixedly connect two half hoops with a telegraph pole, the universal wheels arranged on the bottom wall of the bearing plate can possibly drive the first ladder frame and the second ladder frame to shake integrally, so that the personal safety of the worker has a certain hidden trouble.

In order to solve the technical problems, the utility model provides the following technical scheme: including the loading board, loading board upper surface hinged joint has first ladder frame, first ladder frame top rotates and is connected with the second ladder frame, two through-holes have been seted up to the loading board bottom wall, two all rotate in the through-hole and be connected with two-way lead screw, two sliders are established to two-way lead screw outside symmetry thread bush, just be located two-way lead screw below activity and be provided with the lifter plate in the through-hole, lifter plate lower surface symmetry fixedly connected with two bracing pieces, two the bracing piece bottom all is provided with the universal wheel, two hinged joint has the armed lever between slider lower surface and the lifter plate upper surface.

As a preferable technical scheme of the utility model, one end of the bidirectional screw rod is limited and rotatably connected to the inner wall surface of the through hole, and the other end of the bidirectional screw rod penetrates through the surface of the bearing plate and is fixedly connected with an adjusting button for rotatably adjusting the bidirectional screw rod.

As a preferable technical scheme of the utility model, an arc-shaped opening is formed on the surface of the bearing plate and positioned at one side of the first ladder frame.

As a preferable technical scheme of the utility model, a U-shaped inserted link is inserted between the first ladder frame and the second ladder frame.

As a preferable technical scheme of the utility model, the top end of the second ladder frame is fixedly connected with a supporting plate, and the upper surface of the supporting plate is symmetrically limited and slidingly connected with two half hoops.

As a preferred embodiment of the utility model, a threaded rod is screwed together between the two half hoops.

As a preferable technical scheme of the utility model, the two half-hoop inner rings are provided with friction plates.

Compared with the prior art, the utility model has the following beneficial effects:

Through the cooperation setting of two-way lead screw and slider, realize establishing the mutual being close to or keeping away from of two sliders in the two-way lead screw outside to the thread bush and remove, then pass through armed lever hinged joint between two sliders and lifter plate, when making two-way lead screw be close to each other or keep away from two armed lever one ends through two sliders, two armed lever other ends then can drive the lifter plate and go up and down in the loading board and remove, make the setting accomodate at two universal wheels of lifter plate lower surface or stretch out in the through-hole that the loading board diapire offered, this structure is through the flexible regulation to two universal wheels, make in the universal wheel shrink through-hole when using, avoid the universal wheel to make whole device produce rocking, increase the area that the loading board can with ground direct contact after the universal wheel is retracted in the through-hole simultaneously, thereby can further increase the stability of whole device when using.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial perspective structure of the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of the present utility model;

FIG. 4 is a schematic view of a partial perspective structure of the present utility model;

FIG. 5 is a schematic view of a partial perspective structure of the present utility model;

Wherein: 1. a carrying plate; 2. a first ladder frame; 3. a second ladder frame; 4. a supporting plate; 5. a half hoop; 6. a threaded rod; 7. a rod; 8. a through hole; 9. a lifting plate; 10. a universal wheel; 11. a two-way screw rod; 12. a slide block; 13. an arm lever; 14. an adjusting knob; 15. a support rod; 16. an arc-shaped opening.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1-5, the utility model provides a folding bracket for power maintenance, wherein a first ladder frame 2 is hinged to the upper surface of a bearing plate 1, then a second ladder frame 3 is rotatably connected to the top end of the first ladder frame 2, then a U-shaped inserting rod 7 is inserted between the first ladder frame 2 and the second ladder frame 3, two through holes 8 are formed in the bottom wall of the bearing plate 1, then two bidirectional screw rods 11 are rotatably connected in the two through holes 8, one end of each bidirectional screw rod 11 penetrates through the surface of the bearing plate 1 and then is fixedly connected with an adjusting button 14 for rotatably adjusting the bidirectional screw rod 11, two sliding blocks 12 are symmetrically sleeved on the outer side of each bidirectional screw rod 11 in a threaded manner, a lifting plate 9 is movably arranged in the through holes 8 and positioned below the bidirectional screw rod 11, two supporting rods 15 are symmetrically and fixedly connected to the lower surface of the lifting plate 9, universal wheels 10 are respectively arranged at the bottom ends of the two supporting rods 15, and arm rods 13 are hinged between the lower surfaces of the two sliding blocks 12 and the upper surface of the lifting plate 9;

When the device is used, the bidirectional screw rod 11 is rotated through the adjusting button 14, so that two sliding blocks 12 sleeved on the outer side of the bidirectional screw rod 11 are far away from each other and move, then the other ends of the two arm rods 13 drive the lifting plate 9 to retract into the through hole 8, two universal wheels 10 arranged on the lower surface of the lifting plate 9 are accommodated in the through hole 8 formed in the bottom wall of the bearing plate 1, and then the area of direct contact of the bearing plate 1 is ensured, so that the stability of the whole device in use can be further increased;

As a further implementation manner of the embodiment, as shown in fig. 1-5, an arc-shaped opening 16 is formed on the surface of the bearing plate 1 and located at one side of the first ladder frame 2, then the top end of the second ladder frame 3 is fixedly connected with a supporting plate 4, meanwhile, two half hoops 5 are symmetrically and limitedly slidingly connected on the upper surface of the supporting plate 4, then friction plates are arranged on the inner rings of the two half hoops 5, and then a threaded rod 6 is connected between the two half hoops 5 in a threaded joint mode;

When the electric pole locking device is used, the two half hoops 5 are placed on the outer side of the electric pole, then the threaded rod 6 is rotated to enable the two half hoops 5 to be close to each other and enable the two half hoops 5 to be abutted, and further locking between the two half hoops 5 and the electric pole can be achieved;

The specific working principle is as follows:

During the use, remove the whole device to suitable position through universal wheel 10, then rotate two-way lead screw 11 through adjusting knob 14, and then make the thread bush establish two sliders 12 in two-way lead screw 11 outside keep away from each other and remove, then two arm bars 13 other end then can drive lifter plate 9 indentation through-hole 8, make two universal wheels 10 that set up in lifter plate 9 lower surface accomodate in the through-hole 8 that carrier plate 1 diapire offered, then make carrier plate 1 direct contact's area, thereby can further increase the stability of whole device when using, step on first ladder frame 2 and second ladder frame 3, place two half hoops 5 in the wire pole outside, then rotate threaded rod 6 and make two half hoops 5 be close to each other and make two half hoops 5 butt, and then can realize locking between two half hoops 5 and the wire pole, then just can carry out electric power maintenance work.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a folding support for power repair, includes loading board (1), its characterized in that: the bearing plate (1) upper surface hinged joint has first ladder frame (2), first ladder frame (2) top rotates and is connected with second ladder frame (3), two through-holes (8) have been seted up to bearing plate (1) diapire, two all rotate in through-hole (8) and be connected with two-way lead screw (11), two slider (12) are established to two-way lead screw (11) outside symmetry screw cover, just be located two-way lead screw (11) below activity in through-hole (8) and be provided with lifter plate (9), lifter plate (9) lower surface symmetry fixedly connected with two bracing pieces (15), two bracing piece (15) bottom all is provided with universal wheel (10), two hinged joint has armed lever (13) between slider (12) lower surface and lifter plate (9) upper surface.

2. The folding bracket for power maintenance according to claim 1, wherein: one end of the bidirectional screw rod (11) is limited and rotatably connected to the inner wall surface of the through hole (8), and the other end of the bidirectional screw rod (11) penetrates through the surface of the bearing plate (1) and is fixedly connected with an adjusting button (14) for rotatably adjusting the bidirectional screw rod (11).

3. The folding bracket for power maintenance according to claim 1, wherein: an arc-shaped opening (16) is formed in the surface of the bearing plate (1) and located on one side of the first ladder frame (2).

4. The folding bracket for power maintenance according to claim 1, wherein: an inserting rod (7) which is U-shaped is inserted between the first ladder frame (2) and the second ladder frame (3).

5. The folding bracket for power maintenance according to claim 1, wherein: the top end of the second ladder frame (3) is fixedly connected with a supporting plate (4), and the upper surface of the supporting plate (4) is symmetrically limited and slidingly connected with two half hoops (5).

6. The foldable stand for power maintenance according to claim 5, wherein: a threaded rod (6) is connected between the two half hoops (5) in a threaded joint.

7. The foldable stand for power maintenance according to claim 5, wherein: friction plates are arranged on the inner rings of the two half hoops (5).