CN204476247U - A kind of cat ladder - Google Patents

Abstract

The utility model discloses a climbing ladder, which comprises a cover plate arranged on the top of a column, a first hoop is arranged along the side wall of the column, and the cover plate is also provided with a hook connected with the first hoop for fixing the first hoop The lifting hook and the first hoop are connected with a ladder bar capable of allowing personnel to climb to the top of the column. The cover plate includes at least three rods connected end to end to form a closed plane figure and fixed on the top of the column. Both ends of any rod are located outside the range of the top of the column, and the lifting hook is arranged at the joint where the two rods are connected to each other. The first hoop is located near the top of the column; a second hoop connected to the ladder bar is also provided near the bottom of the column and along the side wall of the column. The first hoop and the second hoop are split and connected as a whole by bolts so as to surround the side wall of the column. The ladder bar includes an upper ladder bar and a lower ladder bar; the upper ladder bar and the lower ladder bar are connected through connecting plates and bolts. The above-mentioned climbing ladder can avoid its shaking, thereby improving reliability.

Description

a ladder

technical field

The utility model relates to the technical field of mechanical engineering, in particular to a climbing ladder.

Background technique

With the rapid development of my country's economic construction, the market demand for various types of ladders is increasing.

At present, the transmission lines with the highest voltage level in my country are 1000kV UHV AC transmission lines. Due to the high voltage level and the huge tower body, in order to stabilize the tower, large-diameter concrete foundation columns are generally used for the base of the column; in some areas, the column is affected by factors such as terrain, resulting in the distance between the top of the column and the ground exceeding More than two meters. As a result, it is often necessary to use the ladder bar when performing maintenance and other work on the column.

In the prior art, embedded ladder poles are usually used; that is, the two ends of the ladder poles are welded to the components embedded in the columns; since the power transmission line is often in the field, the base of the columns is easily affected by the environment, resulting in welding joints. Corrosion and other conditions, and the strength of the ladder rods is reduced and falls off, which poses a safety hazard to the operations of the transport and inspection personnel.

Therefore, how to solve the safety problem of the ladder bar is a technical problem that those skilled in the art need to solve at present.

Utility model content

The purpose of the utility model is to provide a climbing ladder, which can solve the problem of low safety of the ladder bar.

In order to achieve the above object, the utility model provides a climbing ladder, which includes a cover plate arranged on the top of the column, a first hoop is arranged along the side wall of the column, and the cover plate is also provided with a The hoop is connected to the lifting hook for fixing the first hoop, and the first hoop is connected with a ladder bar that can allow people to climb to the top of the column.

Preferably, the cover plate includes at least three rods connected end to end to form a closed plane figure and fixed to the top of the column.

Preferably, the first and last ends of any of the rods are located outside the range of the top of the column, and the lifting hook is arranged at a joint where two rods are connected to each other.

Preferably, the first hoop is located near the top of the upright; a second hoop connected to the ladder bar is provided near the bottom of the upright along the sidewall of the upright.

Preferably, the first hoop and the second hoop are split and connected as a whole by bolts so as to surround the side wall of the column.

Preferably, the second hoop is connected to the ladder rod by bolts.

Preferably, the ladder bar includes an upper ladder bar and a lower ladder bar; the upper ladder bar and the lower ladder bar are connected by connecting plates and bolts.

Preferably, a hook-shaped handrail is also provided on the top of the ladder rod; one end of the hook-shaped handrail is connected to the top position of the ladder rod, and the other end is fixed to the top of the column.

Preferably, the number of the rods is four.

Preferably, the length of the upper ladder rod is between 70 and 110 cm; the length of the lower ladder rod is between 50 and 70 cm.

With respect to the above-mentioned background technology, the ladder provided by the utility model includes a cover plate arranged on the top of the column, a first hoop is arranged along the side wall of the column, and the cover plate is also provided with a connection with the first hoop for fixing The lifting hook of the first hoop is connected with a ladder bar capable of allowing personnel to climb to the top of the column. With this setting method, the first hoop is arranged along the side wall of the column, and a cover plate is arranged on the top of the column. The cover plate is connected with a lifting hook, and the first hoop is hooked by the lifting hook; that is to say, the lifting hook One end is connected to the cover plate, and the hook of the lifting hook hooks the first hoop, so that the first hoop can be fixed on the side wall of the column; in addition, a ladder rod is connected to the first hoop, so that Personnel can climb to the top of the column using the ladder bars. That is to say, since the cover plate, the lifting hook and the first hoop are fixed together, and the cover plate is on the top of the column, it can ensure that the first hoop is firmly surrounded by the side wall of the column; The ladder bar connected by a hoop can be stably fixed, avoiding the shaking of the ladder bar, thereby improving the reliability of the ladder bar.

Description of drawings

Fig. 1 is the schematic diagram of the front structure of the climbing ladder provided by the embodiment of the present invention;

Fig. 2 is a side view structural schematic diagram of Fig. 1;

Fig. 3 is a top view structural schematic diagram of Fig. 1;

FIG. 4 is an axonometric view of FIG. 1 .

Detailed ways

The core of the utility model is to provide a climbing ladder, which can improve the reliability of use.

In order to enable those skilled in the art to better understand the solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Fig. 1 to Fig. 4, Fig. 1 is the front structural schematic diagram of the climbing ladder provided by the utility model embodiment; Fig. 2 is the side view structural schematic diagram of Fig. 1; Fig. 3 is the top view structural schematic diagram of Fig. 1; 1 axonometric drawing.

The ladder provided by the utility model includes a cover plate arranged on the top of the column, a first hoop is arranged along the side wall of the column, and the cover plate is also provided with a lifting hoop connected with the first hoop to fix the first hoop. hook, the first hoop is connected with a ladder bar capable of climbing to the top of the column.

In this way of setting, the first hoop 1 is arranged along the side wall of the column 9, and the cover plate 8 is arranged on the top of the column 9. The cover plate 8 is connected with the lifting hook 7, and the first hoop 1 is hooked by the lifting hook 7. That is to say, one end of the lifting hook 7 is connected to the cover plate 8, and the hook of the lifting hook 7 hooks the first hoop 1, so that the first hoop 1 can be fixed on the side wall of the column 9; in addition , a ladder bar 6 is connected to the first hoop 1, so that relevant personnel can use the ladder bar 6 to climb to the top of the column 9. That is to say, due to the cover plate 8, the lifting hook 7 and the first hoop 1, the above three are fixed together, and the cover plate 8 is on the top of the column 9, so that the first hoop 1 can be firmly surrounded by the column 9; therefore, the ladder bar 6 connected with the first hoop 1 can be stably fixed, avoiding the shaking of the ladder, thereby improving the reliability of the ladder.

Generally speaking, due to factors such as convenient construction and stress, the column 9 is usually set in a cylindrical shape, so the first hoop 1 located at the side wall of the column 9 is circular to match the side wall of the column 9; Certainly, for the column 9 whose side wall has other shapes, the first hoop 1 should also be set in a corresponding shape to match the side wall of the column 9 .

In addition, the cover plate 8 includes at least three rods connected end to end to form a closed planar figure and fixed to the top of the column 9 .

That is to say, we can use three or more rods connected end to end to form a closed plane figure; since the top of the column 9 is usually a plane, the plane figure can be placed on the top of the column 9 smoothly, So as to achieve the purpose of stable placement. In addition, if other devices are provided on the top of the column 9, after three or more rods are connected end to end, the central part is hollow, which can effectively avoid other devices on the top of the column 9, so that they can be placed on the column 9 stably. the top of.

In addition, both ends of any rod are located outside the range of the top of the column 9, and the lifting hook 7 is arranged at the joint where the two rods are connected to each other.

Specifically, after three or more rods are connected end to end, the first and last ends of any rod are located outside the range of the top of the column 9, and a lifting hook 7 is set at the joint where the two rods are connected to each other. That is to say, lifting hook 7 is placed outside the scope of the top of column 9; The first hoop 1 at the wall is hooked to achieve the purpose of fixing the first hoop 1.

In addition, the first hoop 1 is located near the top of the column 9 ; a second hoop 2 connected to the ladder bar 6 is also provided near the bottom of the column 9 and along the sidewall of the column 9 .

That is to say, two hoops are arranged along the side wall of the column 9 , namely the first hoop 1 and the second hoop 2 . Similarly, the second hoop 2 is connected to the ladder bar 6; since the positions of the first hoop 1 and the second hoop 2 are different, the force on the ladder bar 6 can be well decomposed, thereby improving its reliability. sex. Of course, we can also arrange other numbers of hoops along the side wall of the column 9 according to actual needs, so as to improve the reliability of the ladder bar 6 .

Similar to the above, the second hoop 2 should be set in a corresponding shape to match the side wall of the column 9; details will not be repeated here.

In addition, the first hoop 1 and the second hoop 2 are split and connected as a whole by bolts so as to surround the side wall of the column 9 .

That is to say, since the perimeter of the column 9 is usually long, it is not suitable to use an integrated hoop; therefore, we set the first hoop 1 and the second hoop 2 as split, so that when installing In the process of climbing the ladder, the first hoop 1 and the second hoop 2 can be easily arranged on the side wall of the column 9 and connected by bolts to form a complete first hoop 1 and second hoop 2 . Of course, according to the actual situation, the first hoop 1 and the second hoop 2 can be arranged in different numbers of blocks, so as to reduce the installation difficulty.

In addition, the split-type first hoop 1 and second hoop 2 can also be connected as a whole by other connection methods, such as riveting or welding, which will not be repeated here.

In addition, bolts are used to connect the second hoop 2 to the ladder bar 6 . Of course, due to actual conditions, other connection methods can also be used between the second hoop 2 and the ladder bar 6; similarly, different connection methods can also be used between the first hoop 1 and the ladder bar 6, here No longer.

In addition, the ladder bar 6 may be configured to include an upper ladder bar and a lower ladder bar; the upper ladder bar and the lower ladder bar are connected by connecting plates and bolts.

That is to say, in order to facilitate the installation of the ladder bar 6, the ladder bar 6 can be set as an upper ladder bar and a lower ladder bar, and the two are connected together by connecting plates and bolts, so as to form an integral ladder that can be climbed by relevant personnel. To the ladder bar 6 on the top of the column 9.

In addition, a hook-shaped handrail 4 is also provided on the top of the ladder bar; one end of the hook-shaped handrail 4 is connected to the top position of the ladder bar, and the other end is fixed to the top of the column 9 .

That is to say, for the convenience of relevant personnel on the top of the column 9, a hook-shaped handrail 4 is also set on the top of the ladder bar, and one end of the hook-shaped handrail 4 is connected to the top position of the ladder bar, and the other end of the hook-shaped handrail 4 One end is fixed on the top of column 9. In this way, relevant personnel can easily climb onto the top of the column 9 to complete work such as transportation inspection.

In addition, we can set the number of members to four.

Specifically, we can use four rods to splice each other to form a plane rectangle, and set the rectangle on the top of the column 9; the four rods can be assembled conveniently and flexibly, and for the grounding of the top of the column 9 The wires can also smoothly pass through the hollow positions of the four rods, thereby avoiding the bumping problem of the connecting wires.

Of course, as mentioned above, the number of rods can also be set to three, five or other numbers, as long as it is ensured that the rods can form a closed plane figure and be placed on the top of the column 9 stably That's it.

In addition, the length range of the upper ladder rod can be set between 70 and 110 cm; the length range of the lower ladder rod can be set between 50 and 70 cm.

That is to say, if the height of column 9 is higher, we can set the length of the upper ladder bar to 110 centimeters, and the length of the lower ladder bar is set to 70 cm; similarly, if the height of column 9 is shorter, the length of the upper ladder bar The length can be set to 70 cm, and the length of the lower ladder bar can be set to 50 cm; of course, the length of the upper ladder bar and the lower ladder bar can also be set to other values, which will not be described in this article.

The ladder provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (10)

1. A climbing ladder is characterized in that, comprises the cover plate that is arranged on the top of column, is provided with the first hoop along the side wall of described column, and described cover plate is also provided with and is connected with described first hoop, A lifting hook for fixing the first hoop, and the first hoop is connected with a ladder rod capable of allowing people to climb to the top of the column. 2 . The climbing ladder according to claim 1 , wherein the cover plate comprises at least three rods connected end to end to form a closed planar figure and fixed to the top of the column. 3 . 3. The climbing ladder according to claim 2, characterized in that, the first and last ends of any of the rods are located outside the range of the top of the column, and the lifting hooks are arranged on two rods connected to each other of the connection. 4. The ladder according to any one of claims 1 to 3, characterized in that, the first hoop is located near the top of the upright; near the bottom of the upright, along the side of the upright The side wall is also provided with a second hoop connected with the ladder rod. 5. The climbing ladder according to claim 4, characterized in that, the first hoop and the second hoop are split and connected as a whole by bolts so as to surround the side wall of the column. 6 . The climbing ladder according to claim 5 , wherein the second hoop is connected to the ladder rod by bolts. 6 . 7 . The climbing ladder according to claim 6 , wherein the ladder bar includes an upper ladder bar and a lower ladder bar; the upper ladder bar and the lower ladder bar are connected by connecting plates and bolts. 8. The climbing ladder according to claim 7, characterized in that, the top of the ladder bar is also provided with a hook-shaped handrail; one end of the hook-shaped handrail is connected to the top position of the ladder bar, and its other end fixed to the top of the column. 9. The climbing ladder according to claim 2, characterized in that, the number of the rods is four. 10. The climbing ladder according to claim 7, characterized in that, the length range of the upper ladder rod is between 70 and 110 cm; the length range of the lower ladder rod is between 50 and 70 cm.