CN217934801U - Overhead transmission line overhauls operation ladder - Google Patents
Overhead transmission line overhauls operation ladder Download PDFInfo
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- CN217934801U CN217934801U CN202221304208.9U CN202221304208U CN217934801U CN 217934801 U CN217934801 U CN 217934801U CN 202221304208 U CN202221304208 U CN 202221304208U CN 217934801 U CN217934801 U CN 217934801U
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- hanging rack
- shaped frame
- telescopic rod
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Abstract
The utility model discloses an overhead transmission line maintenance operation ladder, a left side hanging rack hung with a tower, a transverse ladder frame and a right side hanging rack hung with a wire, wherein one end of the transverse ladder frame is connected with the left side hanging rack, and the other end is connected with the right side hanging rack; this application combines the production actual problem to current operation ladder and has effectively improved, can satisfy personnel advance the wire aversion operation demand, make the operation personnel need not trample the insulator alright get into the wire operation, thereby personnel high altitude danger of falling has been avoided, ensure safety such as circuit insulator gold utensil, promote personnel work efficiency, it is long when shortening the maintenance operation, and specifically, left side stores pylon and right side stores pylon connect more firmly, the safety in utilization has been improved greatly, set up the right couple of right side stores pylon into electronic open-close structure, and set up horizontal ladder frame into extending structure, thereby make an operating personnel can install and dismantle the operation, and the effect is better, be convenient for use in the industry.
Description
Technical Field
The utility model relates to a transmission line examines and repair instrument technical field, especially relates to an overhead transmission line examines and repair operation ladder.
Background
In the process of maintenance operation of the power transmission line, a person who ascends a height needs to enter a wire from a cross arm of a tower through an insulator for maintenance operation, and needs to step on a steel cap with hands and feet to hold an insulator umbrella group and enter the wire, but the difficulty is high in the operation process, the physical consumption is high, high special skills are needed, and certain safety operation risks exist; in addition, aiming at the strain magnetic insulator string and the strain composite insulator string which are hung in a single string, personnel cannot directly walk into the lead in a string manner, and need to carry out maintenance operation by means of an operation ladder. The operation ladder is a nonstandard frock, along with the development and the progress of technique, for improving its performance of just using, people constantly improve the structure of operation ladder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an overhead transmission line overhauls operation ladder to satisfy user's user demand.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
an overhead transmission line maintenance operation ladder comprises a left side hanging rack, a transverse ladder frame and a right side hanging rack, wherein the left side hanging rack is hung on a tower, the right side hanging rack is hung on a lead, one end of the transverse ladder frame is connected with the left side hanging rack, and the other end of the transverse ladder frame is connected with the right side hanging rack;
the left side hanging rack comprises two left hooks with the same structure, each left hook comprises an upper U-shaped frame and a lower U-shaped frame, the openings of the upper U-shaped frame and the lower U-shaped frame are opposite, the right end of the lower U-shaped frame is rotatably connected with the right end of the upper U-shaped frame, the left end of the lower U-shaped frame is provided with a first threaded hole which longitudinally penetrates through the lower U-shaped frame, the first threaded hole is internally threaded with a locking bolt, the left end of the upper U-shaped frame is provided with a second threaded hole which is matched with the locking bolt for use, the right end of the upper U-shaped frame is connected with the left end of the transverse rod, the right end of the transverse rod is connected with a sleeve, the upper end of the left longitudinal beam is rotatably connected with the sleeve, and the lower end of the left longitudinal beam is connected with a first lantern ring;
the right side hanging rack comprises a right hook and a right n-shaped rack, the lower end of the right hook is connected with the upper end of the right n-shaped rack 32, the lower ends of the two sides of the right n-shaped rack are respectively connected with a second lantern ring, the right hook comprises a hook body, one side of the hook body is provided with a fixed groove, the other side of the hook body is provided with an installation block, a second driving motor is arranged in the installation block, an output shaft of the second driving motor is connected with a lead screw, the lead screw penetrates through a third threaded hole formed in the left end of the moving pin, the lead screw is in threaded connection with the third threaded hole, a guide structure is arranged between the moving pin and the installation block, and the moving pin is matched with the fixed groove for use;
the horizontal ladder frame is of a telescopic structure, the left side end of the horizontal ladder frame is connected with a left end cross beam, the right side end of the horizontal ladder frame is connected with a right end cross beam, two ends of the left end cross beam are respectively hinged with first collars of corresponding sides, and two ends of the right end cross beam are respectively hinged with second collars of corresponding sides.
The guide structure comprises a guide block arranged on the end face of the moving pin and a guide groove arranged on the mounting block, and the guide block is connected with the guide groove in a sliding mode.
The left ends of the two sides of the transverse ladder frame are fixedly connected with a left limiting piece respectively, the upper end part of the left limiting piece is in threaded connection with a first fixing bolt, the two left longitudinal beams are equally divided into four threaded holes respectively, and the first fixing bolt on each side is in threaded connection with the fourth threaded hole on the corresponding side.
The right limiting pieces are fixedly connected to the right ends of the two sides of the transverse ladder frame respectively, a second fixing bolt is in threaded connection with the upper end portions of the right limiting pieces, a fifth threaded hole is formed in each of the two right longitudinal beams, and the second fixing bolt on each side is in threaded connection with the fifth threaded hole in the corresponding side.
The horizontal ladder frame comprises a left telescopic rod and a right telescopic rod which are arranged side by side, the left telescopic rod and the right telescopic rod are identical in structure, the left ends of the left telescopic rod and the right telescopic rod are connected with a left end cross beam, the right ends of the left telescopic rod and the right telescopic rod are connected with a right end cross beam, the left end of the left telescopic rod comprises a left fixed rod at the left end, the left fixed rod left end is fixedly connected with the left end cross beam, the right end portion of the left telescopic rod is connected with a first driving motor, the right end portion of the right telescopic rod is connected with a rotary barrel in an external rotating mode, an internal thread is arranged on the inner portion of the rotary barrel, a screw rod is connected with the inner side of the screw rod through an internal thread, the right end of the screw rod is fixedly connected with the right end cross beam, and an output shaft of the first driving motor is connected with the inner side of the rotary barrel through a linkage block and can drive the rotary barrel to rotate.
Wherein, be connected with the head rod between two left longerons.
Wherein, be provided with a plurality of second connecting rods between the rotatory barrel of left telescopic link and right telescopic link.
Compared with the prior art, the beneficial effects of the utility model are that:
this application combines the production actual problem to current operation ladder and has effectively improved, can satisfy personnel advance the wire aversion operation demand, make the operation personnel need not trample the insulator alright get into the wire operation, thereby personnel high altitude danger of falling has been avoided, ensure safety such as circuit insulator gold utensil, promote personnel work efficiency, it is long when shortening the maintenance operation, and specifically, left side stores pylon and right side stores pylon connect more firmly, the safety in utilization has been improved greatly, set up the right couple of right side stores pylon into electronic open-close structure, and set up horizontal ladder frame into extending structure, thereby make an operating personnel can install and dismantle the operation, and the effect is better, be convenient for use in the industry.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view of the mounting structure of the present application;
FIG. 3 is a schematic view of the right hook of the present application;
FIG. 4 is a longitudinal cross-sectional structural view of the mounting block of the present application;
in the figure, a left side hanging rack 1, a transverse ladder rack 2, a right side hanging rack 3, an upper U-shaped rack 11, a lower U-shaped rack 12, a left longitudinal beam 13, a left limiting piece 21, a left fixing rod 22, a rotating cylinder 23, a first driving motor 24, a screw rod 25, a right limiting piece 26, a left end cross beam 27, a right end cross beam 28, a right hanging hook 31, a right n-shaped rack 32, a hanging hook body 311, a fixing groove 312, a moving pin 313, a second driving motor 315 and an installation block 314.
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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Please refer to fig. 1-4, which illustrate an embodiment of the present invention.
The maintenance operation ladder for the overhead transmission line provided by the embodiment comprises a left side hanging rack 1, a transverse ladder frame 2 and a right side hanging rack 3, wherein the left side hanging rack 1 is hung on a tower, the right side hanging rack 3 is hung on a lead, one end of the transverse ladder frame 2 is connected with the left side hanging rack 1, and the other end of the transverse ladder frame is connected with the right side hanging rack 3; when the insulator string is installed, an operator fixes the left side hanging rack 1 and the tower on the tower, and then the right side hanging rack is connected with the lead at the other end of the insulator string in a hanging mode.
Specifically, left side stores pylon 1 includes two left couples that the structure is the same, and every left couple all includes the relative last U type frame 11 and the lower U type frame 12 that sets up of opening, lower U type frame 12 right-hand member with last U type frame 11 right-hand member rotates to be connected for lower U type frame 12 can be rotatory around the junction, lower U type frame 12 left end is provided with the first screw hole that vertically runs through, and first screw hole female connection has a locking bolt, go up U type frame 11 left end be provided with the second screw hole that locking bolt cooperation was used, during the installation, with last U type frame 11 card back on the shaft tower, will lower U type frame 12 and rotate for locking bolt tip and second screw hole threaded connection, go up U type frame 11 and lower U type frame 12 and constitute closed mounting structure, the installation more firmly, the security is higher.
Go up U type frame 11 right-hand member and be connected with the transverse bar left end, the transverse bar right-hand member is connected with the sleeve, and left longeron 13 upper end is connected with the sleeve rotation, and the lower extreme is connected with the first lantern ring for the sleeve can be around left longeron upper end rotatory, can the automatically regulated position, and the result of use is better.
Specifically, the right side hanger 3 comprises a right hook 31 and a right n-shaped frame 32, the lower end of the right hook 31 is connected with the upper end of the right n-shaped frame 32, the lower ends of the two sides of the right n-shaped frame 32 are respectively connected with a second lantern ring, the right hook 31 comprises a hook body 311, one side of the hook body 311 is provided with a fixed groove 312, the other side of the hook body is provided with an installation block 314, a second driving motor 315 is arranged in the installation block 314, an output shaft of the second driving motor 315 is connected with a lead screw, the lead screw penetrates through a third threaded hole arranged at the left end of the moving pin 313, the lead screw is in threaded connection with the third threaded hole, a guide structure is arranged between the moving pin 313 and the installation block 314, and the moving pin 313 is matched with the fixed groove 312 for use; when the hook is used, the second driving motor drives the screw rod to rotate, so that the moving pin can move towards the right side, the moving pin can be inserted into the fixing groove, the hook body forms a closed hooking structure, and safety is greatly improved. During installation, the hook body is firstly hung on the wire, then the second driving motor is controlled to drive the moving pin to be inserted into the fixed groove, during disassembly, the second driving motor is controlled to drive the moving pin to be moved out of the fixed groove, and then the hook body is disassembled from the wire.
The transverse ladder frame 2 is of a telescopic structure, the left side end of the transverse ladder frame is connected with a left end cross beam 27, the right side end of the transverse ladder frame is connected with a right end cross beam 28, and two ends of the left end cross beam 27 are respectively hinged with the first lantern rings on the corresponding sides, so that the left side hanging frame is hinged with the transverse ladder frame, and the left side hanging frame can be folded and is convenient to carry after being folded; the two ends of the right end beam 28 are respectively hinged with the second sleeve rings on the corresponding sides, so that the right side hanging rack can be folded and is convenient to carry after being folded.
In a preferred embodiment, the guide structure includes a guide block provided on an upper end surface of the moving pin 313 and a guide groove provided on the mounting block 314, the guide block being slidably coupled with the guide groove.
In a preferred embodiment, a left limiting piece 21 is fixedly connected to each of the left ends of the two sides of the transverse ladder frame 2, a first fixing bolt is threadedly connected to the upper end of the left limiting piece 21, a fourth threaded hole is respectively formed in each of the two left longitudinal beams 13, and the first fixing bolt on each side is threadedly connected to the fourth threaded hole on the corresponding side. When the operation ladder is used, the first fixing bolt is in threaded connection with the fourth threaded hole on the corresponding side, so that the left side hanging rack and the structure of the transverse ladder frame are fixed. After the use, the first fixing bolt is screwed out from the fourth threaded hole on the corresponding side, so that the first fixing bolt is convenient to fold and place.
In a preferred embodiment, a right limiting piece 26 is fixedly connected to the right end of each of the two sides of the transverse ladder frame 2, a second fixing bolt is screwed to the upper end of the right limiting piece 26, a fifth threaded hole is respectively formed in each of the two right longitudinal beams, and the second fixing bolt on each side is screwed to the fifth threaded hole on the corresponding side. The use principle is similar to that of the left limiting sheet, and the description is omitted here.
The transverse ladder frame can adopt a telescopic structure in the prior art and also can adopt the structure in the embodiment, and in the preferred embodiment, a specific structure of the transverse ladder frame 2 is provided.
Horizontal ladder frame 2 is including the left telescopic link and the right telescopic link that set up side by side, left side telescopic link and right telescopic link structure are the same, and both left ends are connected with left end crossbeam 27, and the right-hand member is connected with right-hand member crossbeam 28, left side telescopic link includes the left dead lever 22 of left end, left side dead lever 22 left end with left end crossbeam 27 fixed connection, right-hand member portion are connected with a driving motor 24, and the outside rotation of right-hand member is connected with rotatory barrel 23, the inside part of rotatory barrel 23 is provided with the internal thread, has screw rod 25 through female thread connection, screw rod 25's right-hand member and right-hand member crossbeam 28 fixed connection, the output shaft of a driving motor 24 through the linkage piece with the inboard fixed connection of rotatory barrel 23 can drive rotatory barrel 23 is rotatory. When the rotary cylinder body rotates, the screw rod can move leftwards or rightwards, the length of the operation ladder can be extended or shortened, and the length can be adjusted according to actual needs.
In the preferred embodiment, a first connecting rod is connected between the two left longitudinal beams 13, which improves the structural strength.
In the preferred embodiment, a plurality of second connecting rods are arranged between the rotating cylinders 23 of the left telescopic rod and the right telescopic rod, so that the structural strength is improved.
The embodiment provides an overhead transmission line maintenance operation ladder, a plurality of foldable structures are designed for the operation ladder, the operation ladder can be effectively folded, and the operation ladder is convenient to store; aiming at the problem of hanging stability of the ladder in the using process, hanging structures suitable for hanging a tower cross arm and a conducting wire are respectively designed at the two ends of the ladder, and two left hanging hooks capable of being rotatably connected are designed at one end, close to the tower, of the operation ladder, so that the ladder and the cross arm can be stably connected; a right hook is designed at the working end of the ladder close to the lead, and the right hook is used for reliably hooking the lead.
The using method of the device comprises the following steps:
1. ground personnel transfer the overhead working ladder in a folded state to the tower by using the pulleys and the transfer ropes;
2. the high-altitude operation personnel unfold the operation ladder according to the actual requirements;
3. the operating personnel hang the two left hooks on the cross arm of the tower;
4. the operator hangs the right hook on the wire;
5. the personnel step on the operation ladder, hand insulator, advance the wire and carry out the maintenance operation.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The maintenance operation ladder for the overhead transmission line is characterized by comprising a left side hanging rack (1) hung on a tower, a transverse ladder frame (2) and a right side hanging rack (3) hung on a lead, wherein one end of the transverse ladder frame (2) is connected with the left side hanging rack (1), and the other end of the transverse ladder frame is connected with the right side hanging rack (3);
the left side hanging rack (1) comprises two left hooks with the same structure, each left hook comprises an upper U-shaped frame (11) and a lower U-shaped frame (12) with opposite openings, the right end of the lower U-shaped frame (12) is rotatably connected with the right end of the upper U-shaped frame (11), the left end of the lower U-shaped frame (12) is provided with a first threaded hole which longitudinally penetrates through the left end of the lower U-shaped frame, a locking bolt is connected with the first threaded hole in an internal thread manner, the left end of the upper U-shaped frame (11) is provided with a second threaded hole which is matched with the locking bolt for use, the right end of the upper U-shaped frame (11) is connected with the left end of a transverse rod, the right end of the transverse rod is connected with a sleeve, the upper end of a left longitudinal beam (13) is rotatably connected with the sleeve, and the lower end of the left longitudinal beam is connected with a first lantern ring;
the right side hanging rack (3) comprises a right hook (31) and a right n-shaped frame (32), the lower end of the right hook (31) is connected with the upper end of the right n-shaped frame (32), the lower ends of the two sides of the right n-shaped frame (32) are respectively connected with a second lantern ring, the right hook (31) comprises a hook body (311), one side of the hook body (311) is provided with a fixed groove (312), the other side of the hook body is provided with an installation block (314), a second driving motor (315) is arranged in the installation block (314), an output shaft of the second driving motor (315) is connected with a lead screw, the lead screw penetrates through a third threaded hole formed in the left end of a moving pin (313), the lead screw is in threaded connection with the third threaded hole, a guide structure is arranged between the moving pin (313) and the installation block (314), and the moving pin (313) is matched with the fixed groove (312) for use;
horizontal ladder frame (2) are extending structure, and its left side end is connected with left end crossbeam (27), and the right side end is connected with right-hand member crossbeam (28), left end crossbeam (27) both ends are connected with the first lantern ring of corresponding side is articulated respectively, right-hand member crossbeam (28) both ends are connected with the second lantern ring of corresponding side is articulated respectively.
2. An overhead transmission line maintenance work ladder as claimed in claim 1, wherein the guide structure comprises a guide block arranged on the upper end surface of the moving pin (313) and a guide groove arranged on the mounting block (314), and the guide block is slidably connected with the guide groove.
3. An overhead transmission line overhauling operation ladder according to claim 1, wherein the left ends of the two sides of the transverse ladder frame (2) are respectively and fixedly connected with a left limiting piece (21), the upper end part of each left limiting piece (21) is in threaded connection with a first fixing bolt, the two left longitudinal beams (13) are respectively provided with a fourth threaded hole, and the first fixing bolt on each side is in threaded connection with the fourth threaded hole on the corresponding side.
4. An overhead transmission line overhauling operation ladder according to claim 1, wherein the right ends of the two sides of the transverse ladder frame (2) are respectively and fixedly connected with a right limiting piece (26), the upper end part of the right limiting piece (26) is in threaded connection with a second fixing bolt, the two right longitudinal beams are respectively provided with a fifth threaded hole, and the second fixing bolt on each side is in threaded connection with the fifth threaded hole on the corresponding side.
5. The overhead transmission line maintenance operation ladder according to claim 1, wherein the transverse ladder frame (2) comprises a left telescopic rod and a right telescopic rod which are arranged side by side, the left telescopic rod and the right telescopic rod are identical in structure, the left ends of the left telescopic rod and the right telescopic rod are connected with a left end cross beam (27), the right ends of the left telescopic rod and the right telescopic rod are connected with a right end cross beam (28), the left telescopic rod comprises a left fixing rod (22) at the left end, the left end of the left fixing rod (22) is fixedly connected with the left end cross beam (27), the right end portion of the left fixing rod is connected with a first driving motor (24), the right end portion of the right telescopic rod is rotatably connected with a rotary barrel body (23), an inner side portion of the rotary barrel body (23) is provided with an internal thread, a screw rod (25) is connected with the right end cross beam (28) through the internal thread, and an output shaft of the first driving motor (24) is fixedly connected with the inner side of the rotary barrel body (23) through a linkage block and can drive the rotary barrel body (23) to rotate.
6. An overhead transmission line maintenance work ladder as claimed in claim 1, characterized in that a first connecting rod is connected between the two left longitudinal beams (13).
7. An overhead transmission line maintenance work ladder according to claim 1, characterized in that a plurality of second connecting rods are arranged between the rotating cylinders (23) of the left and right telescopic rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221304208.9U CN217934801U (en) | 2022-05-27 | 2022-05-27 | Overhead transmission line overhauls operation ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221304208.9U CN217934801U (en) | 2022-05-27 | 2022-05-27 | Overhead transmission line overhauls operation ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217934801U true CN217934801U (en) | 2022-11-29 |
Family
ID=84178166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221304208.9U Active CN217934801U (en) | 2022-05-27 | 2022-05-27 | Overhead transmission line overhauls operation ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217934801U (en) |
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2022
- 2022-05-27 CN CN202221304208.9U patent/CN217934801U/en active Active
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