CN213326519U

CN213326519U - Lifting platform for electric power overhaul

Info

Publication number: CN213326519U
Application number: CN202022178640.5U
Authority: CN
Inventors: 王凯
Original assignee: State Grid Corp of China SGCC; East Inner Mongolia Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; East Inner Mongolia Electric Power Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-01
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a lifting platform for electric power overhaul, which comprises a bottom plate, a driving piece, an object stage and a stand column, wherein the bottom of the bottom plate is provided with a sliding wheel, and the sliding wheel is provided with a locking brake; the driving piece comprises a motor, an output shaft of the motor is in driving connection with a first gear, a second gear is mounted on the bottom plate and vertically meshed with the first gear, and a screw is fixedly arranged on the second gear; a threaded hole is formed in the objective table, and the screw rod is in threaded connection with the objective table; the quantity of stand is two, and two stands are located the relative both sides of screw rod respectively, and one side towards the screw rod on two stands is provided with the slide respectively, objective table and slide sliding connection. The motor rotates and drives the first gear to rotate, the first gear rotates and drives the second gear and the stud to rotate, the objective table is in threaded connection with the stud, the objective table is in sliding connection with the two stand columns, and the stud rotates and drives the objective table to move up and down along the slide ways of the two stand columns.

Description

Lifting platform for electric power overhaul

Technical Field

The utility model relates to an electric power overhauls instrument technical field, especially relates to an electric power overhauls uses lift platform.

Background

In order to ensure the safe operation of the power grid, power transmission and transformation equipment needs to be overhauled frequently, and maintainers generally climb to the top of the equipment or take tools such as a lifting vehicle to reach a site to be overhauled. In the maintenance process, often need carry out the transmission of instrument or equipment with ground staff, because the place of waiting to overhaul is higher, the direct transmission of not being convenient for, at this moment, need climb again or go up and down again and rise the car and come the transmission, cause the waste of time and manpower, reduced maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art not enough, provide an electric power overhauls and uses lift platform, be convenient for carry out the transmission of instrument or equipment in the maintenance process, improve maintenance efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting platform for electric power overhaul, comprising:

the bottom of the bottom plate is provided with a sliding wheel, and the sliding wheel is provided with a locking brake;

the driving part comprises a motor, an output shaft of the motor is in driving connection with a first gear, a second gear is mounted on the bottom plate and vertically meshed with the first gear, and a screw is fixedly arranged on the second gear;

the screw rod is in threaded connection with the objective table;

the quantity of stand, stand is two, and two stands are located the relative both sides of screw rod respectively, and one side towards the screw rod on two stands is provided with the slide respectively, objective table and slide sliding connection.

Further, the first gear and the second gear are both bevel gears.

Further, the motor is a forward and reverse rotating motor.

Further, install the barn door on the motor output shaft, the motor includes the controller, and the controller includes photoelectric sensor for detect the barn door signal, and photoelectric sensor is connected with and can presets the counting circuit, is used for detecting motor pivoted number of turns, can presets the counting circuit and be connected with trigger circuit, and trigger circuit connects the shutdown button of motor, and when unit pivoted number of turns reached preset numerical value, trigger circuit triggered shutdown button, and the motor stall.

Furthermore, the controller also comprises a calculating circuit, the calculating circuit is connected with the preset counting circuit, and the calculating circuit calculates the number of turns of the motor when the object stage moves to the designated height according to the moving height of the object stage when the motor rotates for each turn, and transmits the number of turns to the preset counting circuit.

Compared with the prior art, the utility model provides an electric power overhauls uses lift platform has following beneficial effect:

1. the utility model provides an electric power overhauls uses lift platform, including bottom plate, driving piece, objective table and stand, the bottom plate bottom is provided with the movable pulley, installs the locking on the movable pulley and stops, is convenient for remove lift platform and fix near the maintenance place. The driving piece comprises a motor, a first gear and a second gear which are vertically meshed, the motor rotates to drive the first gear and the second gear to rotate, a screw rod is arranged on the second gear, and the screw rod rotates along with the second gear. Be provided with two stands on the bottom plate, objective table and screw rod threaded connection, objective table and stand sliding connection, the screw rod rotates and drives the objective table and reciprocate, and the slide that sets up on the stand can restrict the objective table skew.

2. The first gear and the second gear are both bevel gears and can transmit rotary motion between two shafts which are crossed in space, the motor is a forward and reverse rotation motor, and the forward and reverse rotation of the motor can respectively drive the objective table to move upwards or downwards.

3. Install the barn door on the motor output shaft, the motor includes the controller, and the controller includes photoelectric sensor for detect the barn door signal, photoelectric sensor is connected with and can presets the counting circuit, is used for detecting motor pivoted number of turns, can presets the counting circuit and be connected with trigger circuit, and trigger circuit connects the shutdown button of motor, and when unit pivoted number of turns reaches preset numerical value, trigger circuit triggers the shutdown button, and the motor stall. The controller can control the rotation number of the motor to enable the objective table to ascend or descend by proper height.

4. The controller comprises a calculating circuit, the calculating circuit is connected with the preset counting circuit, the calculating circuit calculates the number of turns of the motor when the object stage moves to the designated height according to the moving height of the object stage when the motor rotates for each turn, and the number of turns is transmitted to the preset counting circuit. The calculation circuit converts the height of the objective table required to move into the number of turns of the motor, so that the method is convenient and quick, and manual calculation is not needed.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a lifting platform for electric power overhaul provided by the utility model;

fig. 2 is an internal structural view of the controller shown in fig. 1.

In the figure, 10, a lifting platform for electric power overhaul, 100, a bottom plate, 110, a sliding wheel, 200, a driving part, 210, a motor, 211, a light barrier, 212, a controller, 2121, a photoelectric sensor, 2122, a preset counting circuit, 2123, a triggering circuit, 2124, a calculating circuit, 220, a first gear, 230, a second gear, 240, a screw rod, 300, an objective table, 400 and a vertical column.

Detailed Description

The present invention will be further described with reference to the following examples. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a lifting platform 10 for electric power overhaul provided in the present invention; the utility model provides an electric power overhauls uses lift platform 10 includes bottom plate 100, driving piece 200, objective table 300 and stand 400.

The movable pulley 110 is installed to bottom plate 100 bottom, installs the locking on the movable pulley 110 and stops, is convenient for remove and fix near maintenance place with lift platform 10, saves the time and the work load that lift platform 10 transported, improves maintenance efficiency.

The driving member 200 includes a motor 210, an output shaft of the motor 210 is drivingly connected with a first gear 220, a second gear 230 is mounted on the base plate 100, the first gear 220 and the second gear 230 are vertically engaged, and a screw 240 is fixedly disposed on the second gear 230. In some preferred embodiments, the first gear 220 and the second gear 230 are both bevel gears, and can transmit the revolving motion between two shafts which are crossed in space. The motor 210 rotates to drive the first gear 220 to rotate, the first gear 220 rotates to drive the second gear 230 and the screw 240 to rotate, and the motor 210 is a forward and reverse rotation motor and can rotate forward and reverse to drive the screw 240 to rotate forward and reverse.

The stage 300 has a plate-like structure, a screw hole is formed in one side of the stage 300, and the screw 240 is in threaded connection with the stage 300 through the screw hole. The number of the upright columns 400 is two, the two upright columns 400 are respectively located at two opposite sides of the screw 240, and one sides of the two upright columns 400 facing the screw 240 are respectively provided with a slideway which is arranged along the length direction of the upright columns 400. The slide blocks are respectively arranged on two adjacent sides of the threaded hole on the object stage 300 and can slide in the slide ways. The screw 240 rotates to drive the object stage 300 to move up and down along the slide, and the slide can limit the offset of the object stage 300, so that the object stage 300 only moves in the vertical direction.

Referring to fig. 2, fig. 2 is a diagram illustrating an internal structure of the controller 212 shown in fig. 1. In order to set the height of the movement of the stage 300 before the movement of the stage 300, the stage 300 is caused to transport the transferred equipment or tool to the set height. In some preferred embodiments, the height of the movement of the stage 300 is controlled by presetting the number of rotations of the motor 210 according to the principle that the number of rotations of the motor 210 is proportional to the height of the movement of the stage 300.

In some specific embodiments, the light barrier 211 is mounted on the output shaft of the motor 210, and the light barrier 211 does not completely cover the output shaft of the motor 210, and the light barrier 211 rotates along with the motor 210. The motor 210 includes a controller 212, and the controller 212 includes a photosensor 2121 for detecting a signal from the light barrier 211, and the photosensor 2121 detects a signal every time the motor output shaft rotates one turn. The photoelectric sensor 2121 is connected to a presettable counting circuit 2122 for detecting the number of turns of the motor 210, the presettable counting circuit 2122 is connected to a triggering circuit 2123, the triggering circuit 2123 is connected to a power-off button of the motor 210, and when the number of turns of the motor 210 reaches a preset value, the triggering circuit 2123 triggers the power-off button, and the motor 210 stops rotating.

The maintainer often can learn the height that needs objective table 300 to remove through measuring when overhauing, needs turn round number and objective table 300 moving height's proportion according to motor 210, turns into the number of turns of rotation of motor 210 with the height, inputs the preset counter circuit 2122 in the controller 212, and the controller 212 just can control the height that objective table 300 removed. To reduce the calculation workload, in some preferred embodiments, the controller 212 further comprises a calculating circuit 2124, the calculating circuit 2124 is connected to the presettable counting circuit 2122, and the calculating circuit 2124 calculates the number of rotations of the motor 210 when the stage 300 moves to a designated height according to the height of the stage 300 moving per rotation of the motor 210, and transmits the calculated number of rotations to the presettable counting circuit 2122. The calculation link is avoided, and the maintainer can control the object stage 300 to move to the designated position only by inputting the height of the object stage 300 to move, so that the operation is visual and convenient.

The utility model provides an electric power overhauls uses lift platform 10, including bottom plate 100, driving piece 200, objective table 300 and stand 400, bottom plate 100 bottom is provided with movable pulley 110, is convenient for remove the operation. The driving member 200 includes a motor 210, a first gear 220, a second gear 230 and a screw 240, the motor 210 rotates to drive the screw 240 to rotate, the object stage 300 is in threaded connection with the screw 240, the two upright columns 400 are respectively located at two sides of the screw 240, a slide is arranged on the upright columns 400, the object stage 300 is in sliding connection with the slide, the screw 240 can rotate to drive the object stage 300 to move up and down along the slide, and the equipment or tools to be transferred are conveyed.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. The utility model provides an electric power overhauls uses lift platform which characterized in that, lift platform includes:

the screw rod is in threaded connection with the objective table;

the screw rod is arranged on the two upright columns, the number of the upright columns is two, the two upright columns are respectively located on two opposite sides of the screw rod, one sides of the two upright columns, which face the screw rod, are respectively provided with a slide way, and the objective table is connected with the slide ways in a sliding manner.

2. The electric power overhaul lifting platform of claim 1 wherein the first gear and the second gear are bevel gears.

3. The lifting platform for electric power overhaul according to claim 1, wherein the motor is a forward and reverse rotating motor.

4. The lifting platform for electric power overhaul according to claim 3, wherein a light barrier is mounted on the output shaft of the motor, the motor comprises a controller, the controller comprises a photoelectric sensor for detecting a light barrier signal, the photoelectric sensor is connected with a presettable counting circuit for detecting the number of turns of the motor, the presettable counting circuit is connected with a trigger circuit, the trigger circuit is connected with a shutdown button of the motor, and when the number of turns of the motor reaches a preset value, the trigger circuit triggers the shutdown button to stop the motor from rotating.

5. The lifting platform for electric power overhaul according to claim 4, wherein the controller further comprises a calculating circuit, the calculating circuit is connected to the presettable counting circuit, and the calculating circuit calculates the number of turns of the motor when the object stage moves to a designated height according to the moving height of the object stage per rotation of the motor and transmits the calculated number of turns of the motor to the presettable counting circuit.