CN218478506U

CN218478506U - Portable power distribution network operation and maintenance frame

Info

Publication number: CN218478506U
Application number: CN202221780373.1U
Authority: CN
Inventors: 黄世元; 冯宏基; 李振; 陈江山; 李友福
Original assignee: Anxi Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: Anxi Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-02-14
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to a portable power distribution network operation and maintenance frame, which comprises an upper rectangular frame and a lower rectangular frame, wherein the two rectangular frames are respectively provided with four positioning shafts in an array manner, each positioning shaft is rotatably connected with two connecting rods, each sixteen connecting rod is in a group, and the front and the rear four groups of connecting rods are respectively correspondingly rotatably connected with a connecting frame; a driving shaft is rotatably arranged on the two connecting frames in a penetrating manner, the driving shaft is matched with the rear connecting frame through threads, the front end of the front connecting frame is fixedly connected with an installation frame, the upper end and the lower end of the installation frame are fixedly connected with two vertical supporting frames, treading pieces are slidably sleeved on the vertical supporting frames, the installation frame is symmetrically and fixedly connected with two shaft rods which are sleeved with springs, racks which are slidably arranged on the installation frame are pushed through the springs, and the treading pieces are rotatably connected with the corresponding racks through pull rods; two driven gears in meshed transmission with the racks are sleeved at the front end of the driving shaft, and the two driven gears are in transmission connection with the driving shaft through inner ratchet mechanisms respectively. The device is convenient to use, and the maintenance operation efficiency is improved.

Description

Portable operation and maintenance frame for power distribution network

Technical Field

The utility model belongs to electric power overhauls the field, concretely relates to take formula electric power distribution network fortune dimension to overhaul frame.

Background

With the rapid development of modern industry and people's living standard, electric power has become an indispensable part, wherein the distribution network can carry out fine distribution to electric power, and current distribution network when carrying out the maintenance, has usually that professional carries out the operation of ascending a height with the help of ascending a height maintenance frame.

The lifting driving mechanism of the existing operation and maintenance frame is mostly adjusted up and down by manual operation, in the maintenance process, personnel are required to interrupt maintenance operation and fall down from the maintenance frame on the ground to manually lift and adjust the maintenance frame, so that too much normal maintenance time is occupied by the lifting adjustment operation, the use is troublesome and inconvenient, and the problem of maintenance operation efficiency is indirectly reduced.

Disclosure of Invention

An object of the utility model is to provide a take formula power distribution network fortune dimension to overhaul frame, the device uses conveniently, has improved the maintenance operating efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: a portable power distribution network operation and maintenance frame comprises two rectangular frames which are oppositely arranged up and down, wherein the rectangular frame at the bottom is used as a base, the rectangular frame at the top is used for supporting two feet, four positioning shafts are respectively arranged on the upper side of the rectangular frame at the bottom and the lower side of the rectangular frame at the top in an array manner along the front-back direction, the left side and the right side of each positioning shaft are symmetrically and rotatably connected with two connecting rods, sixteen connecting rods are arranged in a group in pairs, and the front four groups of connecting rods and the rear four groups of connecting rods are respectively and correspondingly and rotatably connected with a connecting frame with a rectangular structure; a driving shaft is rotatably arranged on the two connecting frames in a penetrating manner along the front-back direction, the rear half section of the driving shaft is in threaded connection fit with the rear connecting frame, the front end of the front connecting frame is fixedly connected with a mounting frame with a reversed Y-shaped structure, and the middle positions of the upper end and the lower end of the mounting frame are symmetrically and fixedly connected with two vertical supporting frames; the two vertical support frames are respectively sleeved with a treading piece in a sliding manner, two shaft levers are fixedly connected in the mounting frames in an up-down symmetrical manner, springs are sleeved on the two shaft levers, racks are arranged on the mounting frames on the front sides of the two shaft levers in a sliding manner so as to push the racks to slide left and right in opposite directions through the springs, and the treading pieces on the upper side and the lower side are respectively connected with the racks on the upper side and the lower side in a rotating manner through a pull rod; two driven gears are sleeved on the protruding section at the front end of the driving shaft at intervals in the front-back direction, the two driven gears are in transmission connection with the driving shaft through inner ratchet mechanisms respectively, and the two racks are in meshing transmission with the two driven gears respectively.

Furthermore, four connecting short shafts are symmetrically welded on the left side and the right side of the two connecting frames, and the head ends of the sixteen connecting rods are correspondingly and rotatably connected with the eight connecting short shafts.

Furthermore, the tail end parts of the two racks are fixedly connected with sliding sleeves through L-shaped supporting plates so as to be in sliding fit with the mounting frame.

Furthermore, the whole treading piece is formed by welding a longitudinal sliding rod and a U-shaped treading frame together, and the two treading pieces are arranged in an up-down corresponding left-right opposite direction.

Furthermore, the middle section of the longitudinal sliding rods of the two treading pieces is rotatably connected with one pull rod, and the tail ends of the two pull rods are correspondingly and rotatably connected with the head end parts of the two racks.

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

1. the driving shaft rotates positively and negatively to drive the rear connecting frame to slide forwards and backwards to push and control the top rectangular frame to lift upwards and downwards, so that different overhauling heights are suitable, and the top rectangular frame can slide downwards to be contracted and attached with the bottom rectangular frame together when the device is idle, so that the supporting occupied area of the whole overhauling frame is reduced, and the device is favorable for portable transportation;

2. the driving directions of the two internal ratchet mechanisms are opposite, so that the two racks can respectively implement single-direction driving on the driving shaft, and the two racks are prevented from mutually interfering with the meshing driving of the driving shaft;

3. trample a maintainer through two places and can directly stand and step on the top rectangular frame foot and move and press and order about maintenance frame implementation lift adjustment, compare in the maintenance frame that adopts manual operation lift adjustment in the tradition, can save personnel's interruption maintenance operation and get back to the trouble that ground could manually accomplish lift adjustment from maintenance frame, high durability and convenient use save time, help indirectly to promote maintenance efficiency, ratchet uses can be automatic will trample a resilience top and push away the reset with trampling two places that move down in spring fit two places on the six arris axis bars in addition, it is ready to step on once more.

Drawings

FIG. 1 is a schematic view of a rectangular frame structure of the present invention;

FIG. 2 is a schematic view of the installation position of the middle positioning shaft according to the present invention;

FIG. 3 is a schematic view of the structure of the driving shaft of the present invention;

FIG. 4 is a schematic structural view of the connecting frame of the present invention;

fig. 5 is a schematic view of the structure of the middle mounting frame of the present invention;

fig. 6 is a schematic structural view of the middle stepping member of the present invention.

In the figure: 1. a rectangular frame; 101. positioning the shaft; 102. a connecting rod; 2. a connecting frame; 201. connecting the short shaft; 3. a drive shaft; 301. a driven gear; 4. installing a frame; 401. a vertical support frame; 402. a hexagonal shaft; 5. a tread member; 501. a pull rod; 6. a rack; 601. and (4) a sliding sleeve.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1-6, the utility model provides a portable electric power distribution network operation and maintenance frame, including rectangular frame 1, rectangular frame 1 is the correspondence from top to bottom and is provided with two places, wherein the rectangular frame 1 of bottom is as the base, the rectangular frame 1 of top is used for propping up two feet, and the correspondence symmetry welding has eight location axle 101 from top to bottom on two rectangular frame 1, all symmetry rotation is connected with two connecting rods 102 on eight location axle 101, sixteen connecting rods 102 are two pairs of one set, it is the corresponding rotation connection with two connection frames 2 of rectangular structure around to be between the head end section of eight groups connecting rod 102; a driving shaft 3 is rotatably arranged on the two connecting frames 2 in a penetrating way, a mounting frame 4 with a reversed-letter-shaped structure is fixedly welded at the front end of the front connecting frame 2, and two vertical supporting frames 401 are symmetrically welded at the middle positions of the upper end and the lower end of the mounting frame 4; two treading pieces 5 are symmetrically and slidably sleeved on the two vertical support frames 401, two hexagonal shaft rods 402 are symmetrically welded in the mounting frame 4 from top to bottom, and two racks 6 are slidably sleeved on the two hexagonal shaft rods 402 in a left-right opposite direction through spring pushing; four connecting short shafts 201 are symmetrically welded on the left side and the right side of the two connecting frames 2, and the head ends of the sixteen connecting rods 102 are correspondingly and rotatably connected with the eight connecting short shafts 201; the whole treading piece 5 is formed by welding a longitudinal slide rod and a U-shaped treading frame together, and the two treading pieces 5 are arranged in an up-down corresponding left-right opposite direction.

In this embodiment, set up the screw thread on the second half section of drive shaft 3, and be around the spacer sleeve and be equipped with two driven gear 301 on the front end bulge section of drive shaft 3, two driven gear 301 are connected with the transmission of drive shaft 3 through two internal ratchet mechanisms, 3 positive and negative rotations of drive shaft can impel and order about rear side linkage frame 2 front and back slip top push away control top rectangular frame 1 oscilaltion, be suitable for different maintenance heights, and when idle, top rectangular frame 1 can slide down and bottom rectangular frame 1 shrink laminating is in the same place, reduce the holistic support area occupied of maintenance frame, be favorable to portable transportation.

In this embodiment, two racks 6 are vertically corresponding to each other and are engaged with two driven gears 301 for transmission, two sliding sleeves 601 are welded and fixed on the tail end portions of the two racks 6 through two L-shaped supporting plates, the two racks 6 can be reciprocally slidably engaged to drive the two driven gears 301 and the driving shaft 3 to rotate forward and backward, the top rectangular frame 1 is controlled to slide up and down, and the driving directions of the two internal ratchet mechanisms are opposite, which can ensure that the two racks 6 respectively implement single-direction driving on the driving shaft 3, and avoid the two racks 6 from interfering with each other for the engagement driving of the driving shaft 3.

In this embodiment, two pull rods 501 are rotatably connected to the middle section of the longitudinal sliding rod of the two treading members 5, the tail ends of the two pull rods 501 are correspondingly rotatably connected with the head end parts of the two racks 6, the two treading members 5, the two pull rods 501 and the two racks 6 are jointly connected to form a two-slider-crank mechanism, the two treading members 5 can be treaded up and down by the two-slider-crank mechanism to drive the two racks 6 to slide back and forth to provide a vertical sliding driving force for the top rectangular frame 1, and a maintenance person can directly stand on the top rectangular frame 1 by the two treading members 5 to manually tread and drive the maintenance frame to perform lifting adjustment.

The working principle of the device is as follows: when the device is used, a maintainer stands on the top rectangular frame 1 with two feet, then selects to press down one foot close to the mounting frame 4 to drive one of the two treading pieces 5 to move downwards, and the two treading pieces 5, the two pull rods 501 and the two racks 6 are connected together to form a two-position slider-crank mechanism, so that the two treading pieces 5 can be pressed up and down to drive the two racks 6 to slide back and forth, the two racks 6 can be slidingly engaged back and forth to drive the two driven gears 301 and the driving shaft 3 to rotate forward and backward, and the driving shaft 3 can rotate forward and backward to drive the rear connecting frame 2 to slide back and forth to push and control the top rectangular frame 1 to lift up and down, so that the device is suitable for different overhaul heights;

in addition, the springs on the two hexagonal shaft rods 402 cooperate with the two internal ratchet mechanisms to automatically rebound, push and reset the two treading members 5 which are treaded and moved downwards, so that the treading mechanism is ready for treading again.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A portable electric power distribution network operation and maintenance frame is characterized by comprising two rectangular frames (1) which are oppositely arranged up and down, wherein the rectangular frame (1) at the bottom is used as a base, the rectangular frame (1) at the top is used for supporting two feet, four positioning shafts (101) are respectively arranged on the upper side of the rectangular frame (1) at the bottom and the lower side of the rectangular frame (1) at the top in an array manner along the front-back direction, two connecting rods (102) are symmetrically and rotatably connected to the left side and the right side of each positioning shaft (101), every two of sixteen connecting rods (102) are in one group, and the four front groups of connecting rods (102) and the four rear groups of connecting rods (102) are respectively and correspondingly and rotatably connected with connecting frames (2) with rectangular structures; a driving shaft (3) is rotatably arranged on the two connecting frames (2) in a penetrating manner along the front-back direction, the rear half section of the driving shaft is in threaded connection fit with the rear connecting frame (2), the front end of the front connecting frame (2) is fixedly connected with an installation frame (4) with a structure like a Chinese character 'ri', and the middle positions of the upper end and the lower end of the installation frame (4) are symmetrically and fixedly connected with two vertical supporting frames (401); the two vertical support frames (401) are respectively sleeved with a treading piece (5) in a sliding mode, the interior of the installation frame (4) is fixedly connected with two shaft levers (402) in an up-down symmetrical mode, springs are sleeved on the two shaft levers (402), racks (6) are installed on the installation frame (4) in front of the two shaft levers (402) in a sliding mode, the racks (6) are pushed by the springs to slide left and right in opposite directions, and the treading pieces (5) on the upper side and the lower side are respectively connected with the racks (6) on the upper side and the lower side in a rotating mode through a pull rod (501); two driven gears (301) are sleeved on the protruding section at the front end of the driving shaft (3) at intervals from front to back, the two driven gears (301) are in transmission connection with the driving shaft (3) through an inner ratchet mechanism respectively, and the two racks (6) are in meshing transmission with the two driven gears (301) correspondingly respectively.

2. The portable power distribution network operation and maintenance frame as claimed in claim 1, wherein four connecting short shafts (201) are symmetrically welded to the left and right sides of the two connecting frames (2), and the head ends of the sixteen connecting rods (102) are correspondingly and rotatably connected with the eight connecting short shafts (201).

3. The portable power distribution network operation and maintenance frame as claimed in claim 1, wherein the two racks (6) are fixedly connected with sliding sleeves (601) at the tail end portions through L-shaped supporting plates to be in sliding fit with the mounting frame (4).

4. The portable power distribution network operation and maintenance overhaul frame as claimed in claim 1, wherein the whole trampling member (5) is formed by welding a longitudinal sliding rod and a U-shaped trampling frame together, and the two trampling members (5) are arranged in opposite directions up and down and left and right.

5. The portable power distribution network maintenance and repair frame as claimed in claim 4, wherein one pull rod (501) is rotatably connected to the middle section of the longitudinal sliding rod of each of the two stepping members (5), and the tail ends of the two pull rods (501) are correspondingly rotatably connected to the head ends of the two racks (6).