CN210918857U

CN210918857U - Adjustable insulation flat ladder

Info

Publication number: CN210918857U
Application number: CN201921650442.5U
Authority: CN
Inventors: 李盟; 翟超; 王�琦; 康春泉; 段洪涛; 李亮; 李明; 张雪松; 何佳松
Original assignee: Beijing Zhongke Chuangshi Technology Development Co ltd; Maintenance Branch Of East Inner Mongolia Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Beijing Zhongke Chuangshi Technology Development Co ltd; Maintenance Branch Of East Inner Mongolia Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-03
Anticipated expiration: 2029-09-30

Abstract

The utility model belongs to the technical field of the safety in production multiplexer utensil technique and specifically relates to an insulating horizontal ladder of adjustable, including lower U type frame and last U type frame, rotate down between U type frame and the last U type frame and connect, be equipped with fixed establishment down between the both ends of U type frame, just all be equipped with adjustment mechanism down between the both sides of U type frame and last U type frame the top of going up U type frame is equipped with telescopic machanism. The utility model can hang the lower U-shaped frame and the upper U-shaped frame on the tower body by arranging the fixing mechanism, and can stably install the lower U-shaped frame and the upper U-shaped frame on the tower body by arranging the upper hook and the lower hook, thereby effectively ensuring the stability in the operation process; set up adjustment mechanism, can adjust the angle of going up U type frame, simultaneously through setting up telescopic machanism to can change the length of going up U type frame, with this usability that increases this device.

Description

Adjustable insulation flat ladder

Technical Field

The utility model relates to a safety in production multiplexer utensil field especially relates to an insulating horizontal ladder of adjustable.

Background

The critical defects formed by insulators, strain clamps and wire side hardware fittings of single insulator strings at the inlet and outlet sides of a 220kV transmission line terminal tower are increasing day by day, and the existing insulating flat ladder type cannot meet the live-line operation of the single insulator strings with different numbers and angles. Meanwhile, the existing insulating flat ladder is too simple in structure, is only suitable for single insulator strings of porcelain/glass insulators within 15 pieces or single insulator strings with the angle approximately parallel to the base datum plane of the tower foundation, cannot adjust the angle and the length, greatly reduces the usability of the insulating flat ladder, and accordingly provides the adjustable insulating flat ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art and can not adjust angle and length, and the insulating flat ladder of adjustable that proposes.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an insulating horizontal ladder of adjustable, includes U type frame and last U type frame down, rotate down between U type frame and the last U type frame and connect, be equipped with fixed establishment down between the both ends of U type frame, just all be equipped with adjustment mechanism down between U type frame and the both sides of last U type frame the top of going up U type frame is equipped with telescopic machanism, telescopic machanism includes two slide bars, two slide bar difference fixed mounting is in the both sides of last U type frame, just it is equipped with the slide, two to all slide the cover on the slide bar the telescopic mount is installed jointly on the top of slide, fixed mounting has last couple and lower couple on the telescopic mount tip corresponds the position with lower U type frame respectively, just go up the top of U type frame and telescopic mount and install first layer board of polylith and polylith second layer board the equidistance respectively.

Preferably, the fixing mechanism comprises a connecting shaft horizontally and fixedly installed between two ends of the lower U-shaped frame, the outer side of the connecting shaft is rotatably sleeved with the U-shaped rotating frame, a threaded rod is inserted into a thread in the middle of the U-shaped rotating frame, a hand wheel is fixedly installed at one end, close to the connecting shaft, of the threaded rod, and a fixing hook is installed at the other end of the threaded rod in a rotating mode.

Preferably, adjustment mechanism includes the slide rail of horizontal fixed mounting U type frame side under, the outside slidable mounting of slide rail has the sliding sleeve, be connected through the locating pin between sliding sleeve and the slide rail, just the outside of sliding sleeve is rotated and is installed the abutment sleeve, the inside slip cartridge of abutment sleeve has the bracing piece, be connected through fixing bolt between abutment sleeve and the bracing piece, the top of bracing piece is rotated with the side of last U type frame and is connected.

Preferably, the equal fixed mounting in one end top that the slide was kept away from to the slide bar has the frame of lifting, expansion bracket slidable mounting lifts a top at two, just all overlap on lifting the slide bar between frame and the slide and be equipped with the support spring post, the support spring post is made for the insulating rubber material.

Preferably, the mounting groove has been seted up to the inboard top level of couple down, the inside of mounting groove is all rotated and is installed the roller bearing, the bottom of roller bearing extends to the outside of mounting groove.

Preferably, the hook is lifted to the equal fixedly connected with in one side of keeping away from lower U type frame of couple down, lift hook, couple down, lower U type frame, connecting axle, U type swivel mount, fixed hook, threaded rod, go up U type frame, first layer board, bracing piece, slide bar, slide, second layer board, expansion bracket and go up the couple and be insulating material and make.

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

1. the utility model can hang the lower U-shaped frame and the upper U-shaped frame on the tower body by arranging the fixing mechanism, and can stably install the lower U-shaped frame and the upper U-shaped frame on the tower body by arranging the upper hook and the lower hook, thereby effectively ensuring the stability in the operation process;

2. set up adjustment mechanism, can adjust the angle of going up U type frame, simultaneously through setting up telescopic machanism to can change the length of going up U type frame, with this usability that increases this device.

Drawings

Fig. 1 is a schematic structural view of an adjustable insulating horizontal ladder provided by the present invention;

fig. 2 is a schematic diagram of a side structure of an adjustable insulating horizontal ladder shaft provided by the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged schematic view of B in fig. 2.

In the figure: the device comprises a lower U-shaped frame 1, a connecting shaft 2, a U-shaped rotating frame 3, a fixed hook 4, a threaded rod 5, an upper U-shaped frame 6, a first supporting plate 7, a supporting rod 8, a sliding rod 9, a sliding seat 10, a second supporting plate 11, an expansion bracket 12, an upper hook 13, a lifting frame 14, a supporting spring column 15, a lifting hook 16, a lower hook 17, a sliding rail 18, a supporting sleeve 19, a fixing bolt 20, a hand wheel 21, a rolling shaft 22, a mounting groove 23, a sliding sleeve 24 and a positioning pin 25.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, the adjustable insulation flat ladder comprises a lower U-shaped frame 1 and an upper U-shaped frame 6, wherein the lower U-shaped frame 1 is rotatably connected with the upper U-shaped frame 6, a fixing mechanism is arranged between two ends of the lower U-shaped frame 1, the fixing mechanism comprises a connecting shaft 2 horizontally and fixedly installed between two ends of the lower U-shaped frame 1, a U-shaped rotating frame 3 is rotatably sleeved outside the connecting shaft 2, a threaded rod 5 is inserted into a thread at the middle position of the U-shaped rotating frame 3, a hand wheel 21 is fixedly installed at one end, close to the connecting shaft 2, of the threaded rod 5, and a fixing hook 4 is rotatably installed at the other end of the threaded rod 5; through setting up connecting axle 2 to can be with U type swivel mount 3 and lower U type 1 zonulae occludens, through setting up fixed hook 4, thereby can hang it at the body of the tower, through rotating hand wheel 21, with this drive threaded rod 5 tighten up fixed hook 4 can.

An adjusting mechanism is arranged between the two sides of the lower U-shaped frame 1 and the upper U-shaped frame 6 and comprises a slide rail 18 horizontally and fixedly mounted on the side surface of the lower U-shaped frame 1, a slide sleeve 24 is slidably mounted on the outer side of the slide rail 18, the slide sleeve 24 is connected with the slide rail 18 through a positioning pin 25, a supporting sleeve 19 is rotatably mounted on the outer side of the slide sleeve 24, a supporting rod 8 is slidably inserted in the supporting sleeve 19, the supporting sleeve 19 is connected with the supporting rod 8 through a fixing bolt 20, and the top end of the supporting rod 8 is rotatably connected with the side surface of the upper U-shaped frame 6; the angle of the supporting sleeve 19 and the angle of the supporting rod 8 can be adjusted by changing the position of the sliding sleeve 24 on the sliding rail 18, so that the upper U-shaped frame 6 is preliminarily driven, and the angle of the upper U-shaped frame 6 can be adjusted by changing the length between the supporting sleeve 19 and the supporting rod 8, so that the usability of the device is improved.

The top end of the upper U-shaped frame 6 is provided with a telescopic mechanism, the telescopic mechanism comprises two slide bars 9, the two slide bars 9 are respectively and fixedly arranged on two sides of the upper U-shaped frame 6, slide bases 10 are respectively sleeved on the slide bars 9 in a sliding manner, the top ends of the two slide bases 10 are jointly provided with a telescopic frame 12, the end part of the telescopic frame 12 is respectively and fixedly provided with an upper hook 13 and a lower hook 17 at the positions corresponding to the lower U-shaped frame 1, and the tops of the upper U-shaped frame 6 and the telescopic frame 12 are respectively provided with a plurality of first supporting plates 7 and a plurality of second supporting plates 11 at equal; through setting up slide bar 9 and slide 10 to be convenient for slide to expansion bracket 12, with this length that changes U type frame 6, the staff of being convenient for operates, simultaneously through setting up couple 13 and couple 17 down, thereby can be with lower U type frame 1 and last U type frame 6 steady mounting at the body of the tower, effectively ensure the stability in the operation process.

The top of one end of the sliding rod 9, which is far away from the sliding seat 10, is fixedly provided with a lifting frame 14, the telescopic frame 12 is slidably arranged at the top ends of the two lifting frames 14, and supporting spring columns 15 are sleeved on the sliding rod 9 between the lifting frame 14 and the sliding seat 10, and the supporting spring columns 15 are made of insulating rubber materials; through setting up lifting frame 14 to can support expansion bracket 12, effectively ensure expansion bracket 12 at the stability of removing the in-process, through setting up supporting spring post 15, thereby increase expansion bracket 12 and hanging the progress of in-process.

The top end of the inner side of the lower hook 17 is horizontally provided with an installation groove 23, the inside of the installation groove 23 is rotatably provided with a roller 22, and the bottom end of the roller 22 extends to the outside of the installation groove 23; the roller 22 can be installed by arranging the installation groove 23, and the device can be conveniently slid by arranging the roller 22, so that the labor intensity of moving workers is reduced.

One side of the lower hook 17, which is far away from the lower U-shaped frame 1, is fixedly connected with a lifting hook 16, and the lifting hook 16, the lower hook 17, the lower U-shaped frame 1, the connecting shaft 2, the U-shaped rotating frame 3, the fixed hook 4, the threaded rod 5, the upper U-shaped frame 6, the first supporting plate 7, the supporting rod 8, the sliding rod 9, the sliding seat 10, the second supporting plate 11, the telescopic frame 12 and the upper hook 13 are all made of insulating materials; through setting up lifting hook 16 to when lower U type frame 1 and last U type frame 6 fold, can lift the support to last U type frame 6, this device is made through insulating material simultaneously, can ensure the security in the operation process.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable insulating flat ladder comprises a lower U-shaped frame (1) and an upper U-shaped frame (6), wherein the lower U-shaped frame (1) is rotatably connected with the upper U-shaped frame (6), the adjustable insulating flat ladder is characterized in that a fixing mechanism is arranged between two ends of the lower U-shaped frame (1), an adjusting mechanism is arranged between two sides of the lower U-shaped frame (1) and two sides of the upper U-shaped frame (6), a telescopic mechanism is arranged at the top end of the upper U-shaped frame (6), the telescopic mechanism comprises two slide bars (9), the two slide bars (9) are respectively and fixedly arranged at two sides of the upper U-shaped frame (6), a slide seat (10) is respectively sleeved on the slide bars (9) in a sliding manner, a telescopic frame (12) is jointly arranged at the top ends of the two slide seats (10), an upper hook (13) and a lower hook (17) are respectively and fixedly arranged at the corresponding positions of the end part of the telescopic frame (12) and the lower U-shaped frame, and a plurality of first supporting plates (7) and a plurality of second supporting plates (11) are respectively arranged on the tops of the upper U-shaped frame (6) and the telescopic frame (12) at equal intervals.

2. The adjustable insulating horizontal ladder according to claim 1, wherein the fixing mechanism comprises a connecting shaft (2) horizontally and fixedly installed between two ends of a lower U-shaped frame (1), a U-shaped rotating frame (3) is rotatably sleeved on the outer side of the connecting shaft (2), a threaded rod (5) is inserted into a middle position thread of the U-shaped rotating frame (3), a hand wheel (21) is fixedly installed at one end, close to the connecting shaft (2), of the threaded rod (5), and a fixing hook (4) is rotatably installed at the other end of the threaded rod (5).

3. The adjustable insulating horizontal ladder according to claim 1, wherein the adjusting mechanism comprises a slide rail (18) horizontally and fixedly mounted on the side face of the lower U-shaped frame (1), a slide sleeve (24) is slidably mounted on the outer side of the slide rail (18), the slide sleeve (24) is connected with the slide rail (18) through a positioning pin (25), a supporting sleeve (19) is rotatably mounted on the outer side of the slide sleeve (24), a supporting rod (8) is slidably inserted in the supporting sleeve (19), the supporting sleeve (19) is connected with the supporting rod (8) through a fixing bolt (20), and the top end of the supporting rod (8) is rotatably connected with the side face of the upper U-shaped frame (6).

4. The adjustable insulating horizontal ladder of claim 1, wherein the top of one end of the sliding rod (9) far away from the sliding base (10) is fixedly provided with lifting frames (14), the telescopic frames (12) are slidably arranged at the top ends of the two lifting frames (14), supporting spring columns (15) are sleeved on the sliding rod (9) between the lifting frames (14) and the sliding base (10), and the supporting spring columns (15) are made of insulating rubber.

5. The adjustable insulating horizontal ladder as claimed in claim 1, wherein a mounting groove (23) is horizontally formed at the top end of the inner side of the lower hook (17), a roller (22) is rotatably mounted inside the mounting groove (23), and the bottom end of the roller (22) extends to the outside of the mounting groove (23).

6. The adjustable insulating horizontal ladder according to claim 2, wherein one side of the lower hook (17) far away from the lower U-shaped frame (1) is fixedly connected with a lifting hook (16), and the lifting hook (16), the lower hook (17), the lower U-shaped frame (1), the connecting shaft (2), the U-shaped rotating frame (3), the fixing hook (4), the threaded rod (5), the upper U-shaped frame (6), the first supporting plate (7), the supporting rod (8), the sliding rod (9), the sliding seat (10), the second supporting plate (11), the telescopic frame (12) and the upper hook (13) are made of insulating materials.