CN210598795U

CN210598795U - Electric power insulation ladder

Info

Publication number: CN210598795U
Application number: CN201921016533.3U
Authority: CN
Inventors: 童忠斌; 余俊; 洪军; 阮俊杰; 刘伏生; 叶荣森; 刘正红
Original assignee: Zhenjiang Runhong Electric Appliance Co Ltd; Zhenjiang Sanxin Power Supply Service Co ltd
Current assignee: Zhenjiang Runhong Electric Appliance Co Ltd; Zhenjiang Sanxin Power Supply Service Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-22
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to an electrified maintenance equipment field, in particular to insulating ladder of electric power. An electric power insulation ladder comprises a first ladder, a second ladder and a third ladder, wherein the first ladder is connected with the second ladder through a joint, and the second ladder is detachably connected with the third ladder; t-shaped columns are respectively arranged at one ends, close to a third ladder, of two ladder legs of the second ladder, U-shaped clamps are respectively arranged at the top ends of the two ladder legs of the third ladder, and the U-shaped clamps are respectively clamped on the two ladder legs of the second ladder; a cover plate is arranged above the U-shaped clamp, one end of the cover plate is hinged with the U-shaped clamp, and the other end of the cover plate is detachably connected with the U-shaped clamp; the two ladder legs of the third ladder are respectively and movably connected with a clamping piece, and the clamping pieces are connected to the T-shaped columns. The electric insulating ladder can be combined for use and can be detached for separate use, so that the electric insulating ladder is multipurpose and is suitable for different occasions.

Description

Electric power insulation ladder

Technical Field

The utility model relates to an electrified maintenance equipment field, in particular to insulating ladder of electric power.

Background

The ladder is used as a climbing tool and is very convenient to apply in life. At present, in the field of electric power, when a well 38473is corrected or electric power equipment is maintained, an insulating ladder plays an extremely important role; however, the existing insulating ladder can only be used in a three-dimensional way; it is well known that when ladders are used, the lower end surfaces of the ladder legs are supported on the ground, and the side surfaces and wall surfaces adjacent to the upper end are supported. However, in use, there are two situations, the first: other objects are arranged on the wall surface close to the upper end, so that the upper end of the ladder cannot form effective support with the wall surface; the second is that the other end face of the ladder cannot be supported without a wall surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that exists among the above-mentioned prior art, provide an insulating ladder of electric power that electric power construction maintenance was used, this insulating ladder of electric power can regard as the double ladder to use, also can regard as the stool ladder, and vertical ladder, L type ladder use. Based on this purpose, the utility model discloses a technical scheme as follows:

an electric power insulation ladder comprises a first ladder, a second ladder and a third ladder, wherein the first ladder is connected with the second ladder through a joint, and the second ladder is detachably connected with the third ladder; t-shaped columns are respectively arranged at one ends, close to a third ladder, of two ladder legs of the second ladder, U-shaped clamps are respectively arranged at the top ends of the two ladder legs of the third ladder, and the U-shaped clamps are respectively clamped on the two ladder legs of the second ladder; a cover plate is arranged above the U-shaped clamp, one end of the cover plate is hinged with the U-shaped clamp, and the other end of the cover plate is detachably connected with the U-shaped clamp; the two ladder legs of the third ladder are respectively and movably connected with a clamping piece, and the clamping pieces are connected to the T-shaped columns. The third ladder is detachably connected with the second ladder, can be combined with the first ladder and the second ladder to form a bench ladder or a herringbone ladder, and can also be independently used as a straight ladder.

Furthermore, the ladder leg lower extreme of first ladder is connected and is equipped with anti-skidding rubber, the ladder leg of second ladder and the one end that the third ladder is connected are equipped with anti-skidding rubber, and the ladder leg lower extreme of third ladder is also connected and is equipped with anti-skidding rubber.

Further, the lower end face of the antiskid rubber is an inclined plane.

Further, the rotation angle of the joint is 0-180 °.

Furthermore, anti-skid lines are arranged on the ladder frames of the first ladder, the second ladder and the third ladder.

Furthermore, the joint is connected with the first ladder and the second ladder through screws.

Furthermore, a sleeve is arranged at the position where the first ladder is connected with the joint, the lower end of the sleeve is sleeved on the first ladder, the joint is inserted into the upper end of the sleeve, and a screw penetrates through the sleeve and the joint to be fixed.

Further, the joint includes the shell body, the inner shell of cladding in the shell body, be equipped with the breach on the inner shell, the dog card is in the breach, and the spanner passes through the spring and the dog is connected.

Compared with the prior art, the utility model discloses there is following beneficial effect: the electric insulating ladder can be combined for use and can be detached for separate use, so that the electric insulating ladder is multipurpose and is suitable for different occasions. The rotation angle of the metal joint is 0-180 degrees, the metal joint can be used as a straight ladder at a relatively high position, and can be used as a herringbone ladder, a bench ladder or an L-shaped ladder frame at a position with obstacles which are not easy to support. The bottom ends of the ladder legs are provided with the anti-slip rubber to increase the friction between the bottom and the ground, so that the ladder is not easy to slip.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the electric insulating ladder of the present invention;

fig. 2 is a schematic structural view of a second embodiment of the electric insulating ladder of the present invention;

fig. 3 is a schematic structural view of a third embodiment of the electric insulating ladder of the present invention;

fig. 4 is a schematic structural view of a fourth embodiment of the electric insulating ladder of the present invention;

fig. 5 is a schematic structural view of the joint of the present invention;

fig. 6 is an exploded view of the joint of the present invention;

fig. 7 is a schematic view of a third ladder and a second ladder assembly;

in the figure, 1-a first ladder, 11-a sleeve, 2-a second ladder, 21-a T-shaped column, 3-a third ladder, 31-a U-shaped clamp, 32-a cover plate, 33-a clamping plate, 4-a joint, 41-an outer shell, 42-an inner shell, 421-a notch, 43-a stop block, 44-a wrench, 5-anti-skid rubber and 6-a wall body.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Example 1

As shown in fig. 1 and 7, an electric insulating ladder comprises a first ladder 1, a second ladder 2 and a third ladder 3, wherein the first ladder 1 is connected with the second ladder 2 through a joint 4, and the second ladder 2 is detachably connected with the third ladder 3; t-shaped columns 21 are respectively arranged at one ends, close to the third ladder 3, of the two ladder legs of the second ladder, U-shaped clamps 31 are respectively arranged at the top ends of the two ladder legs of the third ladder 3, and the U-shaped clamps 31 are respectively clamped on the two ladder legs of the second ladder 2; a cover plate 32 is arranged above the U-shaped card 31, one end of the cover plate 32 is hinged with the U-shaped card 31, and the other end of the cover plate 32 is detachably connected with the U-shaped card 31; the two ladder legs of the third ladder are respectively movably connected with a clamping piece 33, and the clamping pieces 33 are connected to the T-shaped columns 21.

Connect at the terraced leg lower extreme of first ladder 1 and be equipped with anti-skidding rubber 5, the terraced leg of second ladder and the one end that the third ladder is connected are equipped with anti-skidding rubber 5, and the terraced leg lower extreme of third ladder 3 is also connected and is equipped with anti-skidding rubber 5, is equipped with anti-skidding line on the ladder frame of first ladder 1, second ladder 2, third ladder 3. The lower end surface of the antiskid rubber 5 is an inclined surface. After the foot is stepped on the ladder frame, the foot is not easy to slip after being stepped on because of the anti-slip lines. The lower end of the anti-skid rubber is an inclined plane, because the ladder is placed behind the ground, the included angle between the ladder legs and the ground is an acute angle, and the lower ends of the ladder legs are inclined planes, the contact area between the lower end surfaces of the ladder legs and the ground is increased.

The joint 4 is connected with the first ladder 1 and the second ladder 2 through screws. The sleeve 11 is arranged at the connecting position of the first ladder 1 and the joint 4, the lower end of the sleeve 11 is sleeved on the first ladder 1, the joint is inserted into the upper end of the sleeve 11, and a screw penetrates through the sleeve 11 and the joint 4 to be fixed.

As shown in fig. 5 and 6, the joint 4 includes an outer housing 41 and an inner housing 42 enclosed in the outer housing 41, a notch 421 is provided on the inner housing 42, the stopper 43 is clamped in the notch 421, and the wrench 44 is connected to the stopper 43 through a spring. The wrench 44 drives the stopper 43 to be caught in the notch 421 or slide out of the notch 421.

In this embodiment, the card 33 is opened to separate the card 33 from the T-shaped pole 21, the cover plate 32 is opened, the third ladder 3 is separated from the first ladder 1 and the second ladder 2, the first ladder 1 and the second ladder are connected to form a straight ladder, and the third ladder is used as a single straight ladder.

The working principle of the embodiment is as follows: the wrench 44 is pressed, the stopper 43 is disengaged from the notch 421, the second ladder 2 and the inner housing 42 are rotated, the second ladder 2 and the first ladder 1 are in a straight ladder state, then the wrench 44 is loosened, and the stopper 43 is clamped into the notch 421 and fixed. The third ladder 3 is a single straight ladder.

Example 2

In this embodiment, as shown in fig. 2, when the herringbone ladder is used, the card 33 is opened to separate the card 33 from the T-shaped pole 21, the cover plate 32 is opened, the third ladder 3 is separated from the first ladder 1 and the second ladder 2, the first ladder 1 and the second ladder are connected to form the herringbone ladder, and the third ladder is used as a single straight ladder.

The working principle of the embodiment is as follows: the wrench 44 is pressed, the stopper 43 is disengaged from the notch 421, the second ladder 2 and the inner housing 42 are rotated, the second ladder 2 and the first ladder 1 are in a herringbone state, then the wrench 44 is loosened, and the stopper 43 is clamped into the notch 421 and fixed. The third ladder 3 is a single straight ladder.

Example 3

In this embodiment, as shown in fig. 3, when the bench ladder is needed, the wrench 44 is pressed, the stopper 43 is disengaged from the notch 421, the second ladder 2 and the inner housing 42 are rotated, the second ladder 2 and the first ladder 1 are in a right-angled state, and then the wrench 44 is loosened, and the stopper 43 is locked into the notch 421. The U-shaped card 31 is respectively clamped on two ladder legs of the second ladder 2, a cover plate 32 is arranged above the locking U-shaped card 31, and a card piece 33 is clamped on the T-shaped column 21.

Example 4

As shown in fig. 4, in this embodiment, the locking piece 33 is opened to separate the locking piece 33 from the T-shaped pole 21, the cover plate 32 is opened, the third ladder 3 is separated from the first ladder 1 and the second ladder 2, the wrench 44 is pressed, the stopper 43 is disengaged from the notch 421, the second ladder 2 and the inner housing 42 are rotated, the second ladder 2 and the first ladder 1 are in a right angle state, the wrench 44 is released, and the stopper 43 is locked in the notch 421 and fixed. When the ladder is used, the tail end of the second ladder 2 is supported on the wall surface, and the first ladder is supported on the ground. The embodiment is mainly suitable for the condition that the wall surface has obstacles and is not well supported.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. The utility model provides an insulating ladder of electric power, includes first ladder (1), second ladder (2) and third ladder (3), its characterized in that: the first ladder (1) is connected with the second ladder (2) through a joint (4), and the second ladder (2) is detachably connected with the third ladder (3); t-shaped columns (21) are respectively arranged at one ends, close to the third ladder (3), of the two ladder legs of the second ladder, U-shaped clamps (31) are respectively arranged at the top ends of the two ladder legs of the third ladder (3), and the U-shaped clamps (31) are respectively clamped on the two ladder legs of the second ladder (2); a cover plate (32) is arranged above the U-shaped card (31), one end of the cover plate (32) is hinged with the U-shaped card (31), and the other end of the cover plate (32) is detachably connected with the U-shaped card (31); the two ladder legs of the third ladder are respectively and movably connected with a clamping piece (33), and the clamping pieces (33) are connected to the T-shaped columns (21).

2. An electrically insulating ladder as claimed in claim 1, characterized in that: the ladder leg lower extreme of first ladder (1) is connected and is equipped with anti-skidding rubber (5), the ladder leg of second ladder and the one end that the third ladder is connected are equipped with anti-skidding rubber (5), and the ladder leg lower extreme of third ladder (3) is also connected and is equipped with anti-skidding rubber (5).

3. An electrically insulating ladder as claimed in claim 2, characterized in that: the lower end face of the antiskid rubber (5) is an inclined plane.

4. An electrically insulating ladder as claimed in claim 1, characterized in that: the rotation angle of the joint (4) is 0-180 degrees.

5. An electrically insulating ladder as claimed in claim 1, characterized in that: the ladder frame of the first ladder (1), the second ladder (2) and the third ladder (3) is provided with anti-skid lines.

6. An electrically insulating ladder as claimed in claim 1, characterized in that: the joint (4) is connected with the first ladder (1) and the second ladder (2) through screws.

7. An electrically insulating ladder as claimed in claim 6, characterized in that: the position that first ladder (1) and joint (4) are connected is equipped with sleeve (11), the lower pot head of sleeve (11) is on first ladder (1), and the joint inserts the upper end of sleeve (11), and the screw penetrates sleeve (11) and joint (4) and fixes.

8. An electrically insulating ladder as claimed in claim 1, characterized in that: the joint (4) comprises an outer shell (41) and an inner shell (42) coated in the outer shell (41), a notch (421) is formed in the inner shell (42), a stop block (43) is clamped in the notch (421), and a wrench (44) is connected with the stop block (43) through a spring.