CN211715021U

CN211715021U - Transformer is maintained and is used cat ladder

Info

Publication number: CN211715021U
Application number: CN201922084833.1U
Authority: CN
Inventors: 汪庆颖
Original assignee: Individual
Current assignee: Sichuan Operation And Maintenance Power Equipment Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-10-20
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a cat ladder is used in transformer maintenance relates to transformer technical field. This cat ladder for transformer maintenance, including two ladder poles, it tramples the mechanism to be provided with a plurality of between two ladder poles, trample the outside at two ladder poles of fixed cup joint respectively at the both ends of mechanism, the equal fixedly connected with couple in upper end of two ladder poles, the one end that couple was kept away from to two ladder poles all articulates there is strutting arrangement, the one side that two strutting arrangement are close to each other all hands over there is the connecting rod, strutting arrangement was kept away from to two connecting rods one end is articulated with the front and back both ends that a plurality of trampled the mechanism respectively, it includes two solid fixed rings to trample the mechanism, footboard and two. This cat ladder for transformer maintenance through setting up the ladder pole, trampling device and strutting arrangement, has solved prior art's cat ladder for transformer maintenance when using, and stability and fastness are all not enough, because its footboard can not guarantee to have very big frictional force with constructor all the time, leads to the problem that can appear falling.

Description

Transformer is maintained and is used cat ladder

Technical Field

The utility model relates to a transformer technical field specifically is a cat ladder is used in transformer maintenance.

Background

The transformer is important power equipment in the electric wire netting, especially high voltage class transformer, for guaranteeing its operation safety, must detect it at interval, but when demolising large-scale transformer's high-voltage bushing pin connection test wire, because on the pure ceramic bushing that the staff need bare-handed climbing height of slope was about three meters above, the climbing in-process need step on the sleeve pipe porcelain skirt and carry out work, because of the foot atress area is limited, this has brought very big potential safety hazard and working strength for the staff.

The crawling ladder for transformer maintenance in the prior art is not enough in use, stability and firmness, and constructors need to maintain with both hands, so that the safety of workers is hardly guaranteed by the crawling ladder, and the problem of falling is caused because the pedals of the crawling ladder cannot guarantee that the crawling ladder has large friction force with the constructors all the time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a cat ladder for transformer maintenance has solved prior art cat ladder for transformer maintenance when using, and stability and fastness are all not enough, because its footboard can not guarantee to have very big frictional force with constructor all the time, leads to the problem that can appear falling.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a ladder stand for maintaining a transformer comprises two ladder rods, a plurality of treading mechanisms are arranged between the two ladder rods, two ends of each treading mechanism are fixedly sleeved outside the two ladder rods respectively, hooks are fixedly connected to the upper ends of the two ladder rods, supporting devices are hinged to the ends, far away from the hooks, of the two ladder rods, connecting rods are connected to the surfaces, close to each other, of the two supporting devices, one ends, far away from the supporting devices, of the two connecting rods are hinged to the front end and the rear end of each treading mechanism respectively, each treading mechanism comprises two fixing rings, a pedal and two fixing rods, the two fixing rings are fixedly sleeved outside the two ladder rods respectively, the pedal is positioned between the two fixing rings, the front end and the rear end of the pedal are rotatably connected with the two fixing rings respectively, the two fixing rods are fixedly connected with the front end and the rear end of, the equal fixed mounting in both sides has the pivot around the footboard, the both ends that the footboard was kept away from in two pivots are pegged graft respectively in the inside of two solid fixed rings, strutting arrangement includes the base, gyro wheel and snap ring, the ladder bar is articulated with the upper surface of base, the connecting rod is articulated with the side of base, gyro wheel fixed mounting is at the right flank of base, snap ring fixed mounting is in the left side of base upper surface, the bottom surface fixedly connected with a plurality of non slipping spur of base, the articulated piece of last fixed surface of base is connected with and two fixture blocks, both ends about articulated piece are being connected to two fixture block joints, the ladder bar is articulated with articulated piece, the equal fixedly connected with riser in one side that two bases are close to each other, two connecting rods are articulated.

Preferably, a plurality of is stepped on the equidistant distribution of mechanism, and two ladder poles are through trampling mechanism fixed connection, trample the mechanism and can make things convenient for the staff to scramble.

Preferably, the footboard is L type structure, and two dead levers use the vertical central line front and back symmetric distribution setting of footboard, set up L type footboard and can play the effect that increases and constructor between frictional force.

Preferably, the non-slip blocks are of cylindrical structures, the non-slip blocks are distributed at equal intervals, and the non-slip blocks are arranged to increase the friction force between the base and the ground.

Preferably, the fixture block is U type structure, and two U type ends of fixture block all with base fixed connection, set up the fixture block and can increase the joint strength between articulated piece and the base.

(III) advantageous effects

The utility model provides a transformer is maintained and is used cat ladder. The method has the following beneficial effects:

1. this cat ladder for transformer maintenance, through setting up the ladder pole, trample device and strutting arrangement, two ladder poles pass through the couple and are connected with the transformer, base and ground contact this moment, when ladder pole slope, the base begins to push against the connecting rod, can promote the footboard when connecting rod rebound, the footboard begins to rotate for solid fixed ring this moment, can guarantee footboard and horizontal plane parallel, when footboard and horizontal plane parallel, the area that constructor trampled will increase, can reach the effect of frictional force between increase and the constructor, the cat ladder for transformer maintenance of having solved prior art is when using, stability and fastness are all not enough, because its footboard can not guarantee to have very big frictional force with constructor all the time, lead to the problem that can appear falling.

2. This cat ladder for transformer maintenance through setting up the snap ring, when upset base made the base be close to the ladder pole, the connecting rod can drive the footboard upset, can be with ladder pole joint in the inside of snap ring this moment, then can receive and release the footboard through the fixed of bolt, and the gyro wheel can contact with ground simultaneously, can reach and can also conveniently transport the cat ladder when saving space.

Drawings

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

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

FIG. 3 is an enlarged view of the structure of FIG. 2;

fig. 4 is a schematic structural view of the supporting device of the present invention;

wherein, 1 ladder pole, 2 trample mechanism, 201 solid fixed ring, 202 footboard, 203 dead lever, 204 pivots, 3 couples, 4 strutting arrangement, 401 base, 402 gyro wheel, 403 snap ring, 404 non slipping spur, 405 articulated piece, 406 fixture block, 407 riser, 5 connecting rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a transformer is maintained and is used cat ladder:

embodiment one, as shown in fig. 1-4, including two ladder poles 1, be provided with a plurality of between two ladder poles 1 and step on mechanism 2, the both ends of stepping on mechanism 2 are fixed the cup joint respectively in the outside of two ladder poles 1, a plurality of tramples 2 equidistance distributions of mechanism, two ladder poles 1 are through trampling 2 fixed connection of mechanism, it can make things convenient for the staff to scramble to trample mechanism 2, the equal fixedly connected with couple 3 in upper end of two ladder poles 1, the one end that couple 3 was kept away from to two ladder poles 1 all articulates there is strutting arrangement 4, the one side that two strutting arrangement 4 are close to each other all hands over has connecting rod 5, the one end that strutting arrangement 4 was kept away from to two connecting rods 5 is articulated with the front and back both.

In the second embodiment, as shown in fig. 1 to 4, the stepping mechanism 2 includes two fixing rings 201, a pedal 202 and two fixing rods 203, the two fixing rings 201 are respectively and fixedly sleeved outside the two ladder bars 1, the pedal 202 is located between the two fixing rings 201, front and rear ends of the pedal 202 are respectively and rotatably connected with the two fixing rings 201, the two fixing rods 203 are respectively and fixedly connected with front and rear ends of a left side surface of the pedal 202, the two connecting rods 5 are respectively hinged to the two fixing rods 203, front and rear surfaces of the pedal 202 are both fixedly provided with a rotating shaft 204, two ends of the two rotating shafts 204 far away from the pedal 202 are respectively and rotatably connected inside the two fixing rings 201, the pedal 202 is in an L-shaped structure, the two fixing rods 203 are symmetrically arranged in front and rear directions with a vertical center line of the pedal 202, and the L-shaped.

In the third embodiment, as shown in fig. 1 to 4, the supporting device 4 includes a base 401, a roller 402 and a snap ring 403, the ladder bar 1 is hinged to the upper surface of the base 401, the connecting rod 5 is hinged to the side surface of the base 401, the roller 402 is fixedly mounted on the right side surface of the base 401, the snap ring 403 is fixedly mounted on the left side of the upper surface of the base 401, the bottom surface of the base 401 is fixedly connected with a plurality of anti-slip blocks 404, the anti-slip blocks 404 are cylindrical structures, the plurality of anti-slip blocks 404 are equidistantly distributed, the anti-slip blocks 404 are arranged to increase the friction between the base 401 and the ground, the upper surface of the base 401 is fixedly connected with a hinge block 405 and two latch blocks 406, the two latch blocks 406 are fastened at the left and right ends of the hinge block 405, the latch blocks 406 are U-shaped structures, both U-shaped ends of the latch blocks 406 are fixedly connected with, ladder bar 1 is articulated with articulated piece 405, and two equal fixedly connected with risers 407 of the one side that base 401 is close to each other, and two connecting rods 5 are articulated with the one side that two risers 407 keep away from each other respectively.

When using, two ladder bars 1 are connected with the transformer through couple 3, base 401 and ground contact this moment, when ladder bar 1 slopes, base 401 begins to push against connecting rod 5, connecting rod 5 can promote footboard 202 when upwards moving, footboard 202 begins to rotate for solid fixed ring 201 this moment, can guarantee footboard 202 and horizontal plane parallel, when footboard 202 and horizontal plane parallel, the area that constructor trampled will increase, upset base 401 makes base 401 when being close to ladder bar 1, connecting rod 5 can drive footboard 202 upset, can be with the inside of ladder bar 1 joint at snap ring 403 this moment, then can receive and release footboard 202 through the fixed of bolt, simultaneously gyro wheel 402 can contact with ground.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer is maintained and is used cat ladder, includes two ladder poles (1), its characterized in that: be provided with a plurality of between two terraced poles (1) and trample mechanism (2), trample the outside of mechanism (2) fixed cup jointing respectively in two terraced poles (1) in the both ends of trampling, the equal fixedly connected with couple (3) in upper end of two terraced poles (1), the one end that couple (3) were kept away from in two terraced poles (1) all articulates there is strutting arrangement (4), one side that two strutting arrangement (4) are close to each other all hands over has connecting rod (5), the one end that strutting arrangement (4) were kept away from in two connecting rod (5) is articulated with the front and back both ends of a plurality of trampling mechanism (2) respectively.

2. The ladder stand for maintaining the transformer according to claim 1, wherein: trample mechanism (2) including two solid fixed ring (201), footboard (202) and two dead lever (203), two solid fixed ring (201) fix the cover respectively and connect in the outside of two ladder poles (1), footboard (202) are located between two solid fixed ring (201), and the front and back both ends of footboard (202) rotate with two solid fixed ring (201) respectively and are connected, two dead lever (203) respectively with the front and back both ends fixed connection of footboard (202) left surface, two connecting rod (5) are articulated with two dead lever (203) respectively.

3. The ladder stand for maintaining the transformer according to claim 2, wherein: the front surface and the rear surface of the pedal (202) are fixedly provided with rotating shafts (204), and two ends, far away from the pedal (202), of the two rotating shafts (204) are respectively inserted into the two fixing rings (201).

4. The ladder stand for maintaining the transformer according to claim 3, wherein: the supporting device (4) comprises a base (401), rollers (402) and clamping rings (403), the ladder bar (1) is hinged to the upper surface of the base (401), the connecting rod (5) is hinged to the side surface of the base (401), the rollers (402) are fixedly mounted on the right side surface of the base (401), the clamping rings (403) are fixedly mounted on the left side of the upper surface of the base (401), and the bottom surface of the base (401) is fixedly connected with a plurality of anti-skidding blocks (404).

5. The ladder stand for maintaining the transformer according to claim 4, wherein: the upper surface of base (401) is fixedly connected with articulated piece (405) and two fixture blocks (406), and both ends about articulated piece (405) are connected in two fixture blocks (406), and ladder bar (1) is articulated with articulated piece (405).

6. The ladder stand for maintaining the transformer according to claim 5, wherein: the two bases (401) are fixedly connected with vertical plates (407) on the surfaces close to each other, and the two connecting rods (5) are hinged to the surfaces far away from each other of the two vertical plates (407).