CN212508040U - Improved ladder for high-altitude wiring - Google Patents

Abstract

The utility model provides an aerial connection is with improved generation cat ladder belongs to high altitude construction cat ladder field, the utility model discloses a solve the front end buckle of current rope ladder and be difficult for fixing on the cross arm, the couple does not match the problem that leads to the poor stability with the cross arm, the cat ladder includes a ladder body and No. two ladder bodies, the one end of a ladder body is articulated with the one end of No. two ladder bodies, the both sides that are close to a ladder body other end are equipped with a U type couple respectively, two U type couples set up along a ladder body width direction's central line symmetry, every U type couple sets up with hanging the cross arm cooperation, the both sides of a ladder body and No. two ladder bodies are equipped with N group limit structure respectively, N is positive integer, N group limit structure sets up along the length extending direction equidistance of a ladder body and No. two ladder bodies, limit structure and a ladder body and No. two ladder bodies are fixed connection, the utility model is used for the staff installs or changes the supplementary ladder string when synthetic insulator chain ladder body of every group when hanging at 220kv straight line A ladder is provided.

Description

Improved ladder for high-altitude wiring

Technical Field

The utility model belongs to high altitude construction cat ladder field, concretely relates to high altitude wiring is with improved generation cat ladder.

Background

When installing or changing and hanging the composite insulator string on a 220kv linear tower, the operation must be carried out down to the conducting wire, and the surface of the insulator cannot be touched. The method not only needs personnel cooperation, but also has high danger, low efficiency, strong instability and high requirements on the technique and physical strength of workers, and can not completely meet the current situation requirement of replacing a large number of composite insulators, so that the improved ladder stand for high-altitude wiring is necessary to solve the problem of inconvenience in climbing of the rope ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the front end buckle of the existing rope ladder is not easy to be fixed on the cross arm, the hook is not matched with the cross arm, and the stability is poor, and the problems that personnel cooperation is needed, the danger is high, the efficiency is low, the instability is strong, and the requirements on the technology and physical strength of the working personnel are high during the use, thereby providing an improved ladder stand for high-altitude wiring;

an improved ladder stand for high-altitude wiring comprises a first ladder body and a second ladder body, wherein one end of the first ladder body is hinged with one end of the second ladder body, two sides close to the other end of the first ladder body are respectively provided with a U-shaped hook, the two U-shaped hooks are symmetrically arranged along the central line of the width direction of the first ladder body, each U-shaped hook is matched with a hanging cross arm, two sides of the first ladder body and the second ladder body are respectively provided with N groups of limiting structures, N is a positive integer, the N groups of limiting structures are equidistantly arranged along the length extending direction of the first ladder body and the second ladder body, and each group of limiting structures is fixedly connected with the first ladder body and the second ladder body;

furthermore, the U-shaped hook comprises a connecting plate and a hanging arm, the hanging arm is L-shaped, one end of the hanging arm is fixedly connected with one side of the connecting plate, and the connecting plate is fixedly connected with the side wall of the first ladder body;

further, the first ladder body and the second ladder body are identical in structure, and the length of the first ladder body and the length of the second ladder body are both 1.5m-2 m;

furthermore, the first ladder body and the second ladder body are hinged through hinge sheets, one end of the first ladder body is fixedly welded with the blade on one side of the hinge sheet, and one end of the second ladder body is fixedly welded with the blade on the other side of the hinge sheet;

furthermore, the limiting structure comprises a first sleeve, a second sleeve and a first T-shaped bolt, the first sleeve is fixed on one side of the first ladder body, the second sleeve is fixed on one side of the second ladder body, the first sleeve and the second sleeve are correspondingly arranged, the first sleeve is arranged in the first sleeve and the second sleeve which are correspondingly arranged, and the first sleeve, the first sleeve and the second sleeve are in clearance fit;

further, the value range of N is 2-4;

furthermore, the distance between the U-shaped hook and the other end of the first ladder body is 25cm-35 cm;

furthermore, four groups of fixing structures are further arranged at the hinged position of the first ladder body and the second ladder body, each group of fixing structures is fixed on one vertical rod part in the first ladder body and the corresponding vertical rod part in the second ladder body, two groups of fixing structures are arranged on each vertical rod part in the first ladder body and the corresponding vertical rod part in the second ladder body, and the two groups of fixing structures positioned on the same vertical rod part are arranged adjacently;

further, fixed knot constructs including No. three sleeve pipes, No. four sleeve pipes and No. two T type bolts, and No. three sleeve pipes are fixed in one side of a ladder body hinged end, and No. four sleeve pipes are fixed in one side of No. two ladder body hinged ends, and No. three sleeve pipes correspond the setting with No. four sleeve pipes, and No. two T type bolts set up in a set of No. three sleeve pipes and No. four sleeve pipes that correspond the setting, and No. two T type bolts and No. three sleeve pipes and No. four sleeve pipes are clearance fit.

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

1. the utility model provides an improved generation cat ladder is used in high altitude wiring changes original rope ladder structure into stereoplasm ladder body structure, has independent support nature to be equipped with at ladder body tip and couple with cross arm complex U type, can be convenient for the ladder body hang the dress on the cross arm, and guarantee the stability after hanging, compare in the hasp of rope ladder tip and hang, reduced the danger of staff when hanging the ladder body, just the utility model discloses only need one-man operation when hanging the dress just can, do not need other people to fix the ladder body when no matter installing or climbing, the independent operation nature is high, when guaranteeing safety, it is more convenient to use, has improved work efficiency.

2. The utility model provides an improved generation cat ladder is used in high altitude wiring adopts and has folding function, is two with longer ladder body one, reduces the length when idle, the transportation of being convenient for to correspond in the both sides of two ladder bodies and increase stop device, and carry on spacingly through the bolt, guarantee when the transportation or produce when rocking that folding state can not scatter, reduce because fold condition can't keep or the ladder body state changes at any time and the probability of emergence accident.

Drawings

FIG. 1 is a schematic side view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the overall structure of the present invention;

fig. 3 is a schematic structural view after the utility model is folded;

FIG. 4 is a schematic view of the U-shaped hook of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 3;

FIG. 6 is an enlarged view of a portion of FIG. 1;

in the figure, a ladder body No. 1, a ladder body No. 2, a 3U-shaped hook, a sleeve No. 4, a sleeve No. 5, a T-shaped bolt No. 6, a hinge plate No. 7, a cross arm No. 8, a sleeve No. 9, a T-shaped bolt No. 10 and a sleeve No. 11 are arranged.

Detailed Description

The first embodiment is as follows: this embodiment is explained with reference to fig. 1 to 6, this embodiment provides an improved generation cat ladder for high altitude wiring, the cat ladder includes No. one ladder body and No. two ladder bodies, the one end of No. one ladder body is articulated with the one end of No. two ladder bodies, the both sides that are close to No. one ladder body other end are equipped with a U type couple respectively, two U type couples set up along the central line symmetry of a ladder body width direction, every U type couple sets up with hanging the cross arm cooperation, the both sides of No. one ladder body and No. two ladder bodies are equipped with N group limit structure respectively, N is positive integer, N group limit structure sets up along the length extending direction equidistance of No. one ladder body and No. two ladder bodies, every group limit structure is fixed connection with No. one ladder body and No. two ladder bodies.

The utility model provides an improved generation cat ladder is used in high altitude wiring changes original rope ladder structure into stereoplasm ladder body structure, has independent support nature to be equipped with at ladder body tip and couple with cross arm complex U type, can be convenient for the ladder body hang the dress on the cross arm, and guarantee the stability after hanging, compare in the hasp of rope ladder tip and hang, reduced the danger of staff when hanging the ladder body, just the utility model discloses only need one-man operation when hanging the dress just can, do not need other people to fix the ladder body when no matter installing or climbing, the independent operation nature is high, when guaranteeing safety, it is more convenient to use, has improved work efficiency.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and the present embodiment further defines the U-shaped hook 3 according to the first embodiment, in the present embodiment, the U-shaped hook 3 includes a connecting plate 31 and a hanging arm 32, the hanging arm 32 is L-shaped, one end of the hanging arm 32 is fixedly connected to one side of the connecting plate 31, and the connecting plate 31 is fixedly connected to a side wall of the first ladder body 1. Other components and connection modes are the same as those of the first embodiment.

In this embodiment, the gap between the hanging arm 32 and the connecting plate 31 in the U-shaped hook 3 is used for matching with the edge of the cross arm, and in order to ensure the smoothness of installation, the lower end of the hanging arm 32 is processed with a guide arc surface, which is convenient for an operator to hang at one time, and the depth of the gap between the hanging arm 32 and the connecting plate 31 is the same as the height of the edge of the cross arm, so as to ensure that the top end of the edge of the cross arm can contact with the top of the gap, and the gap between the hanging arm 32 and the connecting plate 31 is the same as the thickness of the edge of the.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 6, and is further limited to the first step body 1 and the second step body 2 described in the first embodiment, in the present embodiment, the first step body 1 and the second step body 2 have the same structure, and the lengths of the first step body 1 and the second step body 2 are both 1.5m to 2 m. The other components and the connection mode are the same as those of the second embodiment.

In this embodiment, the structure of a ladder body 1 and No. two ladder bodies 2 is the same and is convenient for guarantee the regularity after folding, simultaneously also portable, and a ladder body 1 and No. two ladder bodies 2 all contain the vertical pole setting of two parallels and the horizon bar that a plurality of parallel arrangement is used for connecting two vertical pole settings.

The fourth concrete implementation mode: the first ladder body 1 and the second ladder body 2 described in the second embodiment are further limited, in this embodiment, the first ladder body 1 and the second ladder body 2 are hinged through a hinge sheet 7, one end of the first ladder body 1 is welded and fixed with one side blade of the hinge sheet 7, and one end of the second ladder body 2 is welded and fixed with the other side blade of the hinge sheet 7.

In this embodiment, hinge 7 sets up in one side of a ladder body 1 and No. two 2 ladder body working faces, guarantees that a ladder body 1 and No. two ladder body 2 can laminate when closed, and the working face of two ladder bodies can avoid the working face to damage like this in the transportation.

The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 6, and the embodiment further defines the limiting structure described in the second embodiment, where the limiting structure in the embodiment includes a first sleeve 4, a second sleeve 5, and a T-shaped bolt 6, the first sleeve 4 is fixed on one side of the first ladder body 1, the second sleeve 5 is fixed on one side of the second ladder body 2, the first sleeve 4 and the second sleeve 5 are correspondingly disposed, the T-shaped bolt 6 is disposed in a set of the first sleeve 4 and the second sleeve 5 that are correspondingly disposed, and the T-shaped bolt 6 is in clearance fit with the first sleeve 4 and the second sleeve 5. The other components and the connection mode are the same as those of the fourth embodiment.

In this embodiment, limit structure is used for guaranteeing when a ladder body 1 and No. two ladder bodies 2 are closed, produce the effect of locking, make two ladder bodies can keep closed state, guarantee when the transportation or produce and rock the time folding state can not scatter, reduce because fold condition can't keep or the ladder body state changes at any time and the probability of occurence of failure, it is worth noting that No. one sleeve pipe 4 is the same with No. two sleeve pipe 5 specifications, and guarantee that No. one ladder body 1 and No. two ladder bodies 2 are folding, every sleeve pipe 4 can correspond with No. two sleeve pipes 5 each other, and the axis is for being located the same axis.

The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 6, and the present embodiment further limits the number of the position limiting structures described in the first embodiment, and in the present embodiment, the value range of N is 2 to 4. The other components and the connection mode are the same as the fifth embodiment mode.

In the embodiment, the limiting structure is not easy to be arranged too many, too many are troublesome to assemble, the time is delayed, and two ladder bodies can be ensured not to be separated after being closed.

The seventh embodiment: the present embodiment will be described with reference to fig. 1 to 6, and the present embodiment further defines the U-shaped hook 3 described in the first embodiment, and in the present embodiment, the distance from the U-shaped hook 3 to the other end of the first ladder body 1 is 25cm to 35 cm. Other components and connection modes are the same as those of the sixth embodiment.

In the embodiment, the reserved 25-35 cm is a force application point which is higher than the cross arm when the operator climbs to the end.

The specific implementation mode is eight: the first ladder body 1 and the second ladder body 2 described in the first embodiment are further limited, in this embodiment, four sets of fixing structures are further disposed at the hinged position of the first ladder body 1 and the second ladder body 2, each set of fixing structure is fixed on one upright rod portion in the first ladder body 1 and a corresponding upright rod portion in the second ladder body 2, two sets of fixing structures are disposed on each upright rod portion in the first ladder body 1 and a corresponding upright rod portion in the second ladder body 2, and the adjacent arrangement of the two sets of fixing structures on the same upright rod portion is the same as that of the seventh embodiment in other composition and connection manner.

In this embodiment, the hinge joint between the first ladder body 1 and the second ladder body 2 is provided with a fixing structure for ensuring the stability of the first ladder body 1 and the second ladder body 2 in the working state.

The specific implementation method nine: referring to fig. 1 to 6, this embodiment is described, and the present embodiment further defines the U-shaped hook 3 described in the first embodiment, in this embodiment, the fixing structure includes a third sleeve 11, a fourth sleeve 9, and a second T-shaped bolt 10, the third sleeve 11 is fixed on one side of the hinged end of the first ladder body 1, the fourth sleeve 9 is fixed on one side of the hinged end of the second ladder body 2, the third sleeve 11 and the fourth sleeve 9 are correspondingly disposed, the second T-shaped bolt 10 is disposed in a set of the third sleeve 11 and the fourth sleeve 9 which are correspondingly disposed, and the second T-shaped bolt 10, the third sleeve 11 and the fourth sleeve 9 are in clearance fit. The other components and the connection mode are the same as those of the eighth embodiment.

In this embodiment, the third sleeve 11 and the fourth sleeve 9 have the same structure, and when the ladder is opened, each third sleeve 8 and one fourth sleeve 9 correspond to each other, and the axes are on the same axis.

Principle of operation

When the utility model is used, firstly, the ladder stand is transported to a designated position and sent to the hands of an operator, the operator dismantles the first T-shaped bolts 6 at the two sides of the ladder stand one by one, the first ladder body 1 and the second ladder body 2 can be ensured to be opened without obstacles, the operator collects the dismantled first T-shaped bolts 6 for subsequent insertion, after the first ladder body 1 and the second ladder body 2 are opened, the two U-shaped hooks 3 on the first ladder body 1 are hung on the cross arm, the hanging firmness is ensured, after the hanging, each second T-shaped bolt 10 is simultaneously inserted into a third sleeve 8 and a fourth sleeve 9 for fixing the ladder, the operator can climb on the ladder stand and carry out corresponding work, after the work is finished, the ladder stand is taken down from the cross arm, the operator dismantles the second T-shaped bolts 9 at the two sides of the ladder stand one by one and folds, the first ladder body 1 is tightly attached to the second ladder body 2, and the collected first T-shaped bolts 6 are inserted into the first sleeve 4 and the second sleeve 5 corresponding to the first sleeve one by one and are transported from a high position through the hoisting device.

Claims (9)

1. The utility model provides an improved generation cat ladder is used in high altitude wiring which characterized in that: the cat ladder includes No. one ladder body (1) and No. two ladder bodies (2), the one end of a ladder body (1) is articulated with the one end of No. two ladder bodies (2), the both sides that are close to a ladder body (1) other end are equipped with one U type couple (3) respectively, two U type couples (3) are along the central line symmetry setting of a ladder body (1) width direction, every U type couple (3) with hang the cross arm cooperation and set up, the both sides of a ladder body (1) and No. two ladder bodies (2) are equipped with N group limit structure respectively, N is positive integer, N group limit structure sets up along the length extending direction equidistance of a ladder body (1) and No. two ladder bodies (2), every group limit structure is fixed connection with a ladder body (1) and No. two ladder bodies (2).

2. The improved ladder stand for overhead wiring of claim 1, wherein: u type couple (3) are including connecting plate (31) and hang arm (32), hang arm (32) and be the L type, hang one end of arm (32) and one side fixed connection of connecting plate (31), connecting plate (31) and the lateral wall fixed connection of a ladder body (1).

3. The improved ladder stand for overhead wiring according to claim 2, wherein: the first ladder body (1) and the second ladder body (2) are identical in structure, and the length of the first ladder body (1) and the length of the second ladder body (2) are both 1.5m-2 m.

4. The improved ladder stand for overhead wiring of claim 3, wherein: a ladder body (1) and No. two ladder bodies (2) are articulated through hinge piece (7), and the one end of a ladder body (1) and the blade welded fastening of one side of hinge piece (7), the one end of No. two ladder bodies (2) and the opposite side blade welded fastening of hinge piece (7).

5. The improved ladder stand for overhead wiring of claim 4, wherein: limiting structure includes that sleeve pipe (4), No. two sleeve pipes (5) and a T type tie (6), and one side at a ladder body (1) is fixed in sleeve pipe (4), and one side at No. two ladder bodies (2) is fixed in sleeve pipe (5) No. two, and sleeve pipe (4) and No. two sleeve pipes (5) correspond the setting, and a T type tie (6) set up in a set of sleeve pipe (4) and No. two sleeve pipes (5) that correspond the setting, and a T type tie (6) and sleeve pipe (4) and No. two sleeve pipes (5) are clearance fit.

6. The improved ladder stand for overhead wiring of claim 5, wherein: the value range of N is 2-4.

7. The improved ladder stand for overhead wiring of claim 6, wherein: the distance between the U-shaped hook (3) and the other end of the first ladder body (1) is 25-35 cm.

8. The improved ladder stand for overhead wiring of claim 7, wherein: the articulated department of a ladder body (1) and No. two ladder bodies (2) still is equipped with four fixed knot of group and constructs, and every fixed knot of group constructs and fixes in a ladder body (1) a pole portion and No. two ladder bodies (2) in the pole portion that corresponds on, all is equipped with two sets of fixed knot structures on every pole portion in a ladder body (1) and the pole portion that corresponds in No. two ladder bodies (2), and is located the adjacent setting of two sets of fixed knot structures in same pole portion.

9. The improved ladder stand for overhead wiring of claim 8, wherein: fixed knot constructs including No. four sleeve pipes (9), No. two T types bolt (10) and No. three sleeve pipes (11), No. three sleeve pipes (11) are fixed in one side of a ladder body (1) hinged end, No. four sleeve pipes (9) are fixed in one side of No. two ladder bodies (2) hinged end, and No. three sleeve pipes (11) correspond the setting with No. four sleeve pipes (9), No. two T types bolt (10) set up in a set of No. three sleeve pipes (11) and No. four sleeve pipes (9) that correspond the setting, and No. two T types bolt (10) and No. three sleeve pipes (11) and No. four sleeve pipes (9) are clearance fit.

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