CN211173892U - Composite insulator cat ladder - Google Patents
Composite insulator cat ladder Download PDFInfo
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- CN211173892U CN211173892U CN201921692129.8U CN201921692129U CN211173892U CN 211173892 U CN211173892 U CN 211173892U CN 201921692129 U CN201921692129 U CN 201921692129U CN 211173892 U CN211173892 U CN 211173892U
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- ladder
- composite insulator
- square steel
- cross arm
- cat ladder
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Abstract
The embodiment of the application discloses composite insulator cat ladder includes: a pole tower and ladder assembly; a cross arm is arranged on the tower; square steel is fixedly arranged below the cross arm; the ladder stand component is rotatably connected with the square steel; the bottom of the ladder stand component is connected with a rotary joint for fixing a wire. The utility model discloses can be fixed in on the cross arm of shaft tower, can rotate in a flexible way again, solved rope ladder atress difficulty, the difficult operation of hard ladder, and have the technical problem of potential safety hazard, be a high-quality composite insulator cat ladder.
Description
Technical Field
The application relates to a transmission line maintenance technical field especially relates to a composite insulator cat ladder.
Background
At present, in most of power transmission lines with the voltage class of 110 kilovolts or above, a tangent tower usually adopts a single-string or double-string composite insulator, and the tangent tower is widely applied due to good insulating property, light installation and good tensile property. However, the core rod with the stress function in the composite insulator is poor in bending resistance and easy to break, and the umbrella skirt with the insulating function is made of composite rubber materials, so that the core rod is soft in texture and easy to crack under stress. Therefore, in the process of overhauling the power transmission line, a worker forbids to tread the composite insulator from the tower to the conducting wire.
At present stage, the maintenance personal carries out the construction operation to the wire through using rope ladder or hard ladder down, but the rope ladder belongs to flexible tool, and the atress is difficult, and hard ladder is heavier and both ends are fixed inconvenient, and general operation personnel are difficult to operate, consuming time long, and have the potential safety hazard, for this reason, the utility model provides a composite insulator cat ladder.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a composite insulator cat ladder, it can be fixed in on the cross arm of shaft tower, can rotate in a flexible way again, has solved rope ladder atress difficulty, and hard ladder is difficult to be operated, and has the technical problem of potential safety hazard.
In view of this, this application provides a composite insulator cat ladder, includes: a pole tower and ladder assembly;
a cross arm is arranged on the tower;
square steel is fixedly arranged below the cross arm;
the ladder stand component is rotatably connected with the square steel;
the bottom of the ladder stand component is connected with a rotary joint for fixing a wire.
Optionally, the ladder assembly comprises a plurality of threaded rods connected end to end;
every two adjacent threaded rods are detachably connected;
the threaded rod is provided with a pedal.
Optionally, a connecting piece is arranged between every two adjacent threaded rods;
the connecting piece is provided with a thread groove;
every two adjacent threaded rods are in threaded connection with the connecting piece.
Optionally, the swivel joint comprises a metal hook and a metal sheet;
the metal hook is in threaded connection with the ladder stand component;
the metal sheet is fixedly connected with the ladder stand component;
the metal sheet is located on the inner side of the metal hook.
Optionally, a rotating shaft is fixedly arranged at the bottom of the square steel;
the ladder stand component is connected with the square steel in a rotating mode through the rotating shaft.
Optionally, the square steel is fixedly connected with the cross arm through a fixing piece.
Optionally, a composite insulator is further included;
one end of the composite insulator is fixedly connected with the cross arm, and the other end of the composite insulator is connected with a wire.
Optionally, a plurality of the threaded rods are equal in length.
Optionally, the pedals are staggered on the left side and the right side of the threaded rod.
Optionally, the connector is a metal splint.
According to the technical scheme, the embodiment of the application has the following advantages: set up the cat ladder subassembly through the cross arm below on the shaft tower, the fixed square steel that is provided with in cross arm below, cat ladder subassembly rotates with the square steel to be connected for on the cat ladder subassembly can be fixed in the cross arm, can rotate in a flexible way again, simultaneously, is connected with the rotary joint who is used for fixed wire bottom the cat ladder subassembly, and the maintenance personal of being convenient for operates, has solved rope ladder atress difficulty, and hard ladder is difficult to be operated, and has the technical problem of potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of a composite insulator ladder in the embodiment of the application;
wherein the reference numerals are:
1-pole tower, 2-cross arm, 3-square steel, 4-rotating shaft, 5-threaded rod, 6-connecting piece, 7-pedal, 8-metal hook, 9-metal sheet, 10-composite insulator and 11-lead.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood in a specific case by those of ordinary skill in the art.
The application provides an embodiment of a composite insulator ladder stand, and particularly refers to fig. 1.
The composite insulator cat ladder in this embodiment includes: shaft tower 1 and cat ladder subassembly are provided with cross arm 2 on the shaft tower 1, and the fixed square steel 3 that is provided with in cross arm 2 below, cat ladder subassembly and square steel 3 rotate to be connected, and cat ladder subassembly bottom is connected with the rotary joint that is used for fixed wire 11.
It should be noted that: set up the cat ladder subassembly through 2 below cross arms on shaft tower 1, the fixed square steel 3 that is provided with in 2 below of cross arm, cat ladder subassembly and square steel 3 rotate to be connected for on the cat ladder subassembly can be fixed in cross arm 2, can rotate in a flexible way again, simultaneously, be connected with the swivelling joint who is used for fixed wire 11 bottom the cat ladder subassembly, the maintenance personal of being convenient for operates, has solved the rope ladder atress difficulty, and the difficult operation of hard ladder, and has the technical problem of potential safety hazard.
The above is a first embodiment of the ladder stand for composite insulators provided in the embodiments of the present application, and the following is a second embodiment of the ladder stand for composite insulators provided in the embodiments of the present application, specifically referring to fig. 1.
The composite insulator cat ladder in this embodiment includes: shaft tower 1 and cat ladder subassembly are provided with cross arm 2 on the shaft tower 1, and the fixed square steel 3 that is provided with in cross arm 2 below, cat ladder subassembly and square steel 3 rotate to be connected, and cat ladder subassembly bottom is connected with the rotary joint that is used for fixed wire 11.
The ladder climbing assembly comprises a plurality of threaded rods 5 which are connected end to end, every two adjacent threaded rods 5 are detachably connected, and pedals 7 are arranged on the threaded rods 5; 5 lengths of a plurality of threaded rods equal, it is convenient to use, can splice the equipment as required, and the cat ladder subassembly after the equipment can satisfy the demand of wire 11 under the various length composite insulator 10, and its climbing angle can be adjusted along with the length of composite insulator 10.
The pedal 7 is arranged on the left side and the right side of the threaded rod 5 in a staggered mode, and maintenance personnel can climb conveniently.
Be provided with connecting piece 6 between per two adjacent threaded rods 5, seted up the thread groove on the connecting piece 6, per two adjacent threaded rods 5 and connecting piece 6 threaded connection, through set up the thread groove on connecting piece 6 to adopt threaded connection's mode to connect the equipment with a plurality of threaded rods 5, wherein the fluting scarf joint has guaranteed can not take place to twist reverse between each threaded rod 5, and threaded connection has effectively guaranteed connection length, makes it have fine bending resistance, and can not harm the tower material.
Specifically, the two ends of each threaded rod 5 are respectively provided with first threads, thread grooves are respectively formed in the upper surface and the lower surface of the connecting piece 6, second threads corresponding to the first threads are arranged in the thread grooves, and the two adjacent threaded rods 5 are respectively in threaded connection with the upper thread groove and the lower thread groove of the connecting piece 6, so that the detachable function is realized. It can be understood that the thread grooves formed on the upper surface and the lower surface of the connecting member 6 can be communicated to form a threaded through hole.
The connecting piece 6 may be a metal splint.
The rotary joint comprises a metal hook 8 and a metal sheet 9, the metal hook 8 is in threaded connection with the ladder assembly, the metal sheet 9 is fixedly connected with the ladder assembly, the metal sheet 9 is located on the inner side of the metal hook 8, when the wire is fixed 11, the metal hook 8 is gradually screwed through threads, along with the screwing of the metal hook 8, the metal hook 8 can move upwards along with the penetration of the threads, so that a gap between the metal hook 8 and the metal sheet 9 is reduced, after the metal hook 8 is screwed, a closed area for fixing the wire 11 is formed between the metal sheet 9 and the metal hook 8, the wire 11 is tightly held by the metal sheet 9 and the metal hook 8, the operation is convenient and fast, looseness cannot occur after the fixing, and the wire 11 is not damaged.
3 fixed axis of rotation 4 that are provided with in bottom of square steel, the cat ladder subassembly passes through axis of rotation 4 and is connected with 3 rotations of square steel, and axis of rotation 4 and cat ladder subassembly welding are a whole to make the cat ladder can be fixed in on shaft tower 1, can rotate in a flexible way again, wherein, 3 cooperation axis of rotation 4 of square steel make the cat ladder subassembly can carry out 180 rotations in a plane.
The square steel 3 is fixedly connected with the cross arm 2 through a fixing piece.
The composite insulator is characterized by further comprising a composite insulator 10, wherein one end of the composite insulator 10 is fixedly connected with the cross arm 2, and the other end of the composite insulator 10 is connected with a lead 11.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The utility model provides a composite insulator cat ladder which characterized in that includes: a pole tower and ladder assembly;
a cross arm is arranged on the tower;
square steel is fixedly arranged below the cross arm;
the ladder stand component is rotatably connected with the square steel;
the bottom of the ladder stand component is connected with a rotary joint for fixing a wire.
2. The composite insulator ladder of claim 1, wherein the ladder assembly includes a plurality of threaded rods connected end-to-end;
every two adjacent threaded rods are detachably connected;
the threaded rod is provided with a pedal.
3. The composite insulator ladder of claim 2, wherein a connecting piece is arranged between every two adjacent threaded rods;
the connecting piece is provided with a thread groove;
every two adjacent threaded rods are in threaded connection with the connecting piece.
4. The composite insulator ladder of claim 1, wherein the swivel joint comprises a metal hook and a metal sheet;
the metal hook is in threaded connection with the ladder stand component;
the metal sheet is fixedly connected with the ladder stand component;
the metal sheet is located on the inner side of the metal hook.
5. The composite insulator ladder stand according to claim 1, wherein a rotating shaft is fixedly arranged at the bottom of the square steel;
the ladder stand component is connected with the square steel in a rotating mode through the rotating shaft.
6. The composite insulator ladder of claim 1, wherein the square steel is fixedly connected with the cross arm through a fixing piece.
7. The composite insulator ladder of claim 1, further comprising a composite insulator;
one end of the composite insulator is fixedly connected with the cross arm, and the other end of the composite insulator is connected with a wire.
8. The composite insulator ladder of claim 2, wherein the threaded rods are equal in length.
9. The composite insulator ladder of claim 2, wherein the pedals are staggered on the left and right sides of the threaded rod.
10. The composite insulator ladder of claim 3, wherein the connector is a metal cleat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692129.8U CN211173892U (en) | 2019-10-10 | 2019-10-10 | Composite insulator cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692129.8U CN211173892U (en) | 2019-10-10 | 2019-10-10 | Composite insulator cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211173892U true CN211173892U (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921692129.8U Active CN211173892U (en) | 2019-10-10 | 2019-10-10 | Composite insulator cat ladder |
Country Status (1)
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|---|---|
| CN (1) | CN211173892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412324A (en) * | 2020-10-27 | 2021-02-26 | 广东电网有限责任公司 | A equipment cat ladder for transmission line overhauls |
| CN113266266A (en) * | 2021-05-31 | 2021-08-17 | 青海送变电工程有限公司 | Transmission line overhauls uses cat ladder |
-
2019
- 2019-10-10 CN CN201921692129.8U patent/CN211173892U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412324A (en) * | 2020-10-27 | 2021-02-26 | 广东电网有限责任公司 | A equipment cat ladder for transmission line overhauls |
| CN113266266A (en) * | 2021-05-31 | 2021-08-17 | 青海送变电工程有限公司 | Transmission line overhauls uses cat ladder |
| CN113266266B (en) * | 2021-05-31 | 2023-01-31 | 青海送变电工程有限公司 | Transmission line overhauls uses cat ladder |
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