CN214035507U

CN214035507U - Anti-tilt extension ladder

Info

Publication number: CN214035507U
Application number: CN202022770273.8U
Authority: CN
Inventors: 刘恒辉; 李国味; 刘汉超; 韦程春; 黄烔军; 李旭初; 陈俊彦; 梁安锦
Original assignee: Guangxi Power Grid Co ltd Guigang Pingnan Power Supply Bureau
Current assignee: Guangxi Power Grid Co ltd Guigang Pingnan Power Supply Bureau
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-24
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an anti-tilt extension ladder, including the extension ladder body, the upper surface swing joint of extension ladder body has the regulation pole, the one end fixedly connected with knob of extension ladder body is kept away from to the regulation pole, the one end that the knob was kept away from to the regulation pole extends to the inside and the fixedly connected with running roller of extension ladder body, the side surface fixedly connected with belt of running roller, the inside swing joint of knob has the locating pin, the upper surface of extension ladder body just is located one side of adjusting the pole and has seted up the locating hole, the mounting groove has been seted up on the surface of extension ladder body. The utility model discloses, through setting up the belt, be convenient for make the belt paste the side surface at the wire pole at the during operation, prevent that the extension ladder body from taking place to empty when using, reduce the potential safety hazard of staff at the during operation to it is rotatory through knob control running roller, be convenient for adjust belt length, be convenient for be applicable to the wire pole of different specifications.

Description

Anti-tilt extension ladder

Technical Field

The utility model relates to a extension ladder technical field especially relates to prevent inclined extension ladder.

Background

The extension ladder is a ladder which can be extended and shortened like a fishing rod and is divided into an engineering extension ladder and a bamboo joint extension ladder. The ladder is very convenient to carry and store, can be placed in a closet, a study room, a bed bottom or a trunk of a car of a family, has ultra-light weight, ultra-short height, ultra-strong safety, humanized design and attractive and elegant appearance, so that the product is sold all over the world, is an ideal ladder for climbing operations in departments such as families, hotels, markets, enterprises, power telecommunication, urban construction, public security fire control, heat and air supply, gardens and the like, is also a necessary climbing ladder for field operations of vehicles such as various emergency repair emergency vehicles, line inspection vehicles, command vehicles and the like, and distribution line operation and maintenance teams and groups need to climb up an electric pole to operate a distribution network terminal by using the automatic ladder.

The upper end of the existing extension ladder is flat, and the extension ladder is easy to incline towards two sides when being leaned on an electric pole, so that potential safety hazards exist when working on the ladder by workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-inclination extension ladder.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the anti-inclination extension ladder comprises an extension ladder body, wherein an adjusting rod is movably connected to the upper surface of the extension ladder body, one end, far away from the extension ladder body, of the adjusting rod is fixedly connected with a knob, one end, far away from the knob, of the adjusting rod extends into the extension ladder body and is fixedly connected with a roller, and a belt is fixedly connected to the side surface of the roller;

a positioning pin is movably connected inside the knob, and a positioning hole is formed in the upper surface of the extension ladder body and located on one side of the adjusting rod;

the telescopic ladder comprises a telescopic ladder body and is characterized in that a mounting groove is formed in the surface of the telescopic ladder body, a rotating shaft is fixedly connected to the inner side wall of the mounting groove, a connecting block is movably connected to the outer surface of the rotating shaft, a bottom foot is fixedly connected to the lower surface of the connecting block, and anti-skid grains are arranged on the lower surface of the bottom foot;

the side surface of the extension ladder body is fixedly connected with a hook.

As a further description of the above technical solution:

the positioning pin is fixedly connected with a convex block at one end above the knob, and the positioning pin is matched with the positioning hole.

As a further description of the above technical solution:

the surface of knob is provided with the line, the quantity of adjusting the pole is provided with two.

As a further description of the above technical solution:

the mounting groove is a concave groove, and the mounting groove is matched with the connecting block.

As a further description of the above technical solution:

the couple is "L", the quantity of couple is provided with two, and is located the both sides of extension ladder body.

As a further description of the above technical solution:

the knob is connected with the extension ladder body in a clamping mode through the positioning pin and the positioning hole.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this prevent inclined extension ladder through setting up the belt, is convenient for at the during operation, makes the belt paste the side surface at the wire pole, prevents that the extension ladder body from taking place to empty when using, reduces the potential safety hazard of staff at the during operation to it is rotatory through knob control running roller, be convenient for adjust belt length, be convenient for be applicable to the wire pole of different specifications.

2. Compared with the prior art, this prevent inclined extension ladder through inserting the locating pin in the locating hole, is convenient for fix the knob, prevents that the belt after the adjustment from taking place not hard up.

3. Compared with the prior art, this prevent telescoping ladder that inclines, the lower surface of footing is through setting up anti-skidding line, and the frictional force of increase footing and ground prevents that the staff from taking place relative slip at during operation ladder and ground to reduce the potential safety hazard.

4. Compared with the prior art, this prevent inclined extension ladder through setting up the couple, and the staff's of being convenient for places the saddlebag, has improved work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the anti-tilt extension ladder of the present invention;

fig. 2 is a front view of the anti-tilt extension ladder of the present invention;

fig. 3 is a schematic structural view of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the internal structure of the extension ladder body of the anti-tilt extension ladder of the present invention;

fig. 5 is a top view of the anti-tilt extension ladder of the present invention;

fig. 6 is a schematic structural diagram of B in fig. 2 according to the present invention;

fig. 7 is a schematic view of the footing structure of the anti-tilt extension ladder of the present invention.

Illustration of the drawings:

1. a telescopic ladder body; 2. adjusting a rod; 3. a knob; 4. a roller; 5. a belt; 6. positioning pins; 7. positioning holes; 8. mounting grooves; 9. a rotating shaft; 10. connecting blocks; 11. footing; 12. anti-skid lines; 13. and (4) hanging hooks.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the utility model provides an anti-tilt extension ladder: the telescopic ladder comprises a telescopic ladder body 1, wherein an adjusting rod 2 is movably connected to the upper surface of the telescopic ladder body 1, one end, away from the telescopic ladder body 1, of the adjusting rod 2 is fixedly connected with a knob 3, the knob 3 is arranged, the adjusting rod 2 is convenient to control to rotate, so that a roller wheel 4 is driven to rotate, the length of a belt 5 is convenient to adjust, the telescopic ladder is convenient to adapt to telegraph poles of different specifications, lines are arranged on the outer surface of the knob 3, one end, away from the knob 3, of the adjusting rod 2 extends into the telescopic ladder body 1 and is fixedly connected with the roller wheel 4, the belt 5 is fixedly connected to the side surface of the roller wheel 4, and through the arrangement of the belt 5, the belt 5 is attached to the side surface of the telegraph pole in the use process, the telescopic ladder body 1 is prevented from falling down, and potential safety hazards of workers during work are reduced; a positioning pin 6 is movably connected inside the knob 3, one end, located above the knob 3, of the positioning pin 6 is fixedly connected with a protruding block, a positioning hole 7 is formed in the upper surface of the extension ladder body 1 and located on one side of the adjusting rod 2, the positioning pin 6 is matched with the positioning hole 7, the positioning pin 6 is inserted into the positioning hole 7 through the protruding block, the knob 3 is conveniently fixed, and the adjusted belt 5 is prevented from loosening; the surface of the extension ladder body 1 is provided with a mounting groove 8, the mounting groove 8 is used for mounting a footing 11, the mounting groove 8 is a concave groove, the mounting groove 8 is matched with a connecting block 10, the inner side wall of the mounting groove 8 is fixedly connected with a rotating shaft 9, the outer surface of the rotating shaft 9 is movably connected with the connecting block 10, the lower surface of the connecting block 10 is fixedly connected with the footing 11 and used for supporting the extension ladder body 1, the lower surface of the footing 11 is provided with anti-slip lines 12, the anti-slip lines 12 are arranged to increase the friction force between the footing 11 and the ground, so that a worker is prevented from standing on the extension ladder body 1, the footing 11 slides relative to the ground, and potential safety hazards are reduced; side surface fixedly connected with couple 13 of extension ladder body 1, couple 13 are "L", and through setting up, couple 13 is convenient for hang the saddlebag, and the staff quick replacement instrument of being convenient for improves work efficiency.

The quantity of adjusting pole 2 is provided with two, and the quantity of couple 13 is provided with two, and is located the both sides of extension ladder body 1, and knob 3 passes through locating pin 6, locating hole 7 and the joint of extension ladder body 1.

The working principle is as follows: when the telescopic ladder is used, the belt 5 is adjusted according to the diameter of an electric wire pole, the positioning pin 6 is pulled out of the positioning hole 7 through the convex block, then the adjusting rod 2 is controlled to rotate through the knob 3, the roller 4 is driven to rotate, the belt 5 is adjusted, after the adjustment is finished, the positioning pin 6 is inserted into the positioning hole 7 through the convex block, the knob 3 is fixed, the adjusted belt 5 is prevented from loosening, the telescopic ladder body 1 is prevented from toppling over when in use by attaching the belt 5 to the side surface of the electric wire pole, the potential safety hazard is reduced, the lower surface of the bottom foot 11 is provided with the anti-slip lines 12 for increasing the friction force between the bottom foot 11 and the ground, a worker is prevented from standing on the telescopic ladder body 1, the bottom foot 11 slides relative to the ground, the potential safety hazard is reduced, and the hooks 13 are arranged on the side surface of the telescopic ladder body 1, the saddlebag of being convenient for hang, the staff quick replacement instrument of being convenient for improves work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Prevent slope extension ladder, including extension ladder body (1), its characterized in that: the upper surface of the extension ladder body (1) is movably connected with an adjusting rod (2), one end, far away from the extension ladder body (1), of the adjusting rod (2) is fixedly connected with a knob (3), one end, far away from the knob (3), of the adjusting rod (2) extends into the extension ladder body (1) and is fixedly connected with a roller (4), and a belt (5) is fixedly connected to the side surface of the roller (4);

a positioning pin (6) is movably connected inside the knob (3), and a positioning hole (7) is formed in the upper surface of the extension ladder body (1) and located on one side of the adjusting rod (2);

the telescopic ladder comprises a telescopic ladder body (1), and is characterized in that a mounting groove (8) is formed in the surface of the telescopic ladder body (1), a rotating shaft (9) is fixedly connected to the inner side wall of the mounting groove (8), a connecting block (10) is movably connected to the outer surface of the rotating shaft (9), a footing (11) is fixedly connected to the lower surface of the connecting block (10), and anti-skid grains (12) are arranged on the lower surface of the footing (11);

the side surface of the extension ladder body (1) is fixedly connected with a hook (13).

2. The anti-tip extension ladder of claim 1, wherein: the positioning pin (6) is fixedly connected with a convex block at one end above the knob (3), and the positioning pin (6) is matched with the positioning hole (7).

3. The anti-tip extension ladder of claim 1, wherein: the outer surface of the knob (3) is provided with grains, and the number of the adjusting rods (2) is two.

4. The anti-tip extension ladder of claim 1, wherein: the mounting groove (8) is a concave groove, and the mounting groove (8) is matched with the connecting block (10).

5. The anti-tip extension ladder of claim 1, wherein: the hook (13) is L-shaped, and the number of the hooks (13) is two and is positioned on two sides of the extension ladder body (1).

6. The anti-tip extension ladder of claim 1, wherein: the knob (3) is clamped with the extension ladder body (1) through a positioning pin (6) and a positioning hole (7).