CN115676338A - An electric loading and unloading device for a switch handcart - Google Patents

Abstract

The invention relates to the field of power equipment, and provides an electric loading and unloading device for a switch handcart, which comprises: comprises a carrying platform, wherein a mounting cavity is arranged in the carrying platform; a fixed plate mounted on top of the carrying platform; a transmission assembly mounted on the fixed plate; the handle clamp is arranged on the transmission assembly and used for fixing the switch handcart; and the driving assembly is arranged in the carrying platform, is connected with the transmission assembly and is used for driving the transmission assembly to operate so as to drive the switch handcart to be loaded and unloaded. The invention adopts an electric power-assisted mode to load and unload the switch handcart, reduces the labor intensity of personnel, and also solves the problems that the connection points are not aligned, and can not be smoothly drawn out or pushed in and the like due to the fact that the handcart touches a carrying platform in operation.

Description

An electric loading and unloading device for a switch handcart

technical field

The invention relates to the field of electric equipment, in particular to an electric loading and unloading device for a switch handcart.

Background technique

High-voltage switchgear is very common in substations. When switching the handcart line for maintenance and recovery operations, the existing operation needs to push the carrying platform carrying the switch handcart to the front of the high-voltage switchgear. The trolley platform is pulled out or pushed into the switch handcart to achieve the purpose of turning the switch and the circuit into cold standby. The existing operation method relies entirely on manual operation, and some handcarts are very heavy up to 250kg. The operator needs to bend forward when pulling or pushing the switch handcart. In this posture, it is difficult for the hand to exert force. Pulling out or pushing in the switch trolley is very laborious and difficult to operate.

Contents of the invention

In order to solve the above problems, the present invention relates to the field of electric power equipment, and provides an electric loading and unloading device for a switch handcart, which uses electric power assist to load and unload a high-voltage switch handcart, reducing the labor intensity of personnel.

In order to achieve the above object, the technical scheme that the present invention takes is as follows:

An electric loading and unloading device for a switch handcart, comprising:

A carrying platform, the carrying platform is provided with an installation cavity;

a fixed plate installed on the top of the carrying platform;

a transmission assembly mounted on the fixed plate;

A handle fixture, which is installed on the transmission assembly and is used to fix the switch handcart;

A driving assembly, which is installed in the carrying platform and connected with the transmission assembly, is used to drive the transmission assembly to drive the switch handcart for loading and unloading.

Further, the drive assembly includes:

A motor, which is installed on the transmission assembly, is used to drive the transmission assembly to run;

A motor driver, which is connected to the motor and used to drive the motor to rotate;

a controller, which is connected to the motor driver, and is used to output control information to the motor driver;

an operating terminal, which is connected to the controller and used to output control instructions to the controller;

A power supply, which is connected to the controller, is used to supply power to the entire driving assembly.

Further, the motor is a stepping motor or a servo motor.

Further, the drive assembly further includes a limit sensor, the limit sensor is installed on the transmission assembly and connected to the controller.

Further, the limit sensor adopts a mechanical or photoelectric limit sensor.

Further, the power source adopts an AC power source or a battery.

Further, the transmission assembly adopts a screw slide table, and the motor and the screw slide table are connected through a coupling to form an electric screw slide table.

Further, two groups of screw slides are installed on both sides of the bottom of the fixing plate in an upside-down manner.

Further, the transmission assembly includes a slide rail, a gear and a rack, the gear is installed on the motor, and the rack is installed on the handle fixture; the handle fixture is movably installed through the slide rail on the fixed plate.

Further, the fixing plate is installed on the carrying platform through four height adjusting bolts.

The present invention relates to the field of electric power equipment, and provides an electric loading and unloading device for a switch handcart, comprising: a carrying platform in which an installation cavity is provided; a fixing plate installed on the top of the carrying platform; a A transmission assembly, which is installed on the fixed plate; a handle fixture, which is installed on the transmission assembly, for fixing the switch handcart; a drive assembly, which is installed in the carrying platform, and is connected with the transmission assembly The connection is used to drive the transmission assembly to drive the switch handcart for loading and unloading. The driving assembly includes: a motor installed on the transmission assembly for driving the transmission assembly to run; a motor driver connected to the motor for driving the rotation of the motor; a controller connected to the motor The driver is connected to output control information to the motor driver; an operation terminal is connected to the controller to output control instructions to the controller; a power supply is connected to the controller to provide the entire Drive components are powered. The invention adopts electric power assist to load and unload the switch handcart, which reduces the labor intensity of personnel, and also solves the problems that the connection points are not aligned and cannot be pulled out or pushed in smoothly due to encountering the carrying platform during operation.

Description of drawings

Fig. 1 is a structural schematic diagram of a switch handcart electric loading and unloading device;

Fig. 2 is a schematic diagram of the system structure of the drive assembly.

Explanation of reference signs: 1-handle fixture, 2-height adjustment bolt, 3-operating end, 4-carrying platform, 5-power supply, 6-transmission assembly, 7-fixing plate.

Detailed ways

Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.

Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

Embodiment one

As shown in Figure 1, it is a structural schematic diagram of a switch handcart electric loading and unloading device, including:

A carrying platform, the carrying platform is provided with a mounting cavity or a mounting bracket, which is used to install other components inside, so as to keep the facade clean and avoid interference or collision of other components installed on the facade to the use of the device damage other components;

a fixed plate installed on the top of the carrying platform;

a transmission assembly mounted on the fixed plate;

A handle fixture, which is installed on the transmission assembly and is used to fix the switch handcart to drive the switch handcart to move on the transmission assembly; the handle fixture can clamp the handle parts on both sides of the bottom of the switch handcart , simulating the scene of the operator grasping the switch handle with both hands during actual operation. The clamping part of the handle clamp has an adjustable clamping width design, which increases the adaptability of the handle clamp to different switch handcarts. The handle clamp and the transmission assembly (ie, the electric screw slide) are fixed by bolts, and when the transmission assembly (ie, the electric screw slide) moves, the handle clamp can be driven to move within a certain range.

A driving assembly, which is installed in the carrying platform and connected with the transmission assembly, is used to drive the transmission assembly to drive the switch handcart for loading and unloading.

In specific implementation, as shown in Figure 2, the drive assembly includes:

A motor, which is installed on the transmission assembly and is used to drive the transmission assembly to run, preferably, the motor adopts a stepping motor or a servo motor;

A motor driver, which is connected to the motor and used to drive the motor to rotate;

a controller, which is connected to the motor driver, and is used to output control information to the motor driver;

An operation terminal, which is connected to the controller and used to output control instructions to the controller, the operation terminal is installed on the outer side of the carrying platform or is movable, so as to facilitate personnel operation;

A power supply, which is connected to the controller, is used to supply power to the entire driving assembly. Preferably, the power supply can be an AC power supply or a battery, and the battery can be a lithium battery.

In a specific implementation, the drive assembly further includes a limit sensor, the limit sensor is installed on the transmission assembly and connected to the controller. Preferably, the limit sensor is a mechanical or photoelectric limit sensor.

In the specific implementation, the transmission component adopts a screw slide table, and a stepper motor or a servo motor is installed at the tail of the screw slide table, and the step motor or servo motor is connected with the screw slide table through a coupling to form an electric motor. screw slide table. Preferably, two sets of screw slides are used, which are respectively installed on both sides of the bottom of the fixing plate in an upside-down manner, so that the installation force of the fixing plate is more uniform, and the operation stability of the fixing plate and the switch handcart is improved. .

The limit sensor is installed on the side of the two electric screw slides, and is used to limit the movement of the electric screw slides within a certain range, and whether it is pulled out or pushed in, the stroke of each movement is constant. It can ensure that the travel distance of the switch trolley is quantified, and prevent the damage of various components caused by collisions, which will seriously cause the switch trolley to fall, press the operator, and cause casualties.

In a specific implementation, the fixing plate is installed on the carrying platform through four height adjusting bolts, so that the height of the fixing plate can be adjusted to be suitable for operating various types of switch handcarts.

In a specific implementation, the screw slide is installed on both sides of the bottom of the fixing plate, and two through grooves are opened on the fixing plate corresponding to the screw slide, and the handle fixture is installed through the through grooves. On the screw slide table, the advantage of this design is that in case the switch handcart is unstable on the handle fixture and falls down or other parts fall, the fixing plate can protect the screw slide table and the limit sensor from being smashed bad.

The switch handcart electric loading and unloading device mainly realizes the whole set of action process by controlling the forward, backward, start and stop of the electric screw slide table on both sides. The whole system can be powered by lithium battery, the power supply is fixed under the carrying platform, and the power line is led from the bottom to the corresponding power unit above through the angle steel around the carrying platform. The stepper motors or servo motors on each group of electric screw slides are equipped with a motor driver, which communicates with the circuit board of the controller. The relay on the controller circuit board is connected to the operating terminal through a line. During operation, you can hold the operating terminal and press the forward and backward buttons on the operating terminal to push or pull out the switch handcart. The switch above the operating end is set to jog control, and the operator needs to keep pressing the forward and backward buttons to make the electric screw slide table continue to move, ensuring that the operator can immediately cut off the power and stop the machine in case of an emergency, and reduce the risk , the problem is reduced to a minimum.

Embodiment two

The difference between this embodiment and the first embodiment is that the transmission assembly includes a slide rail, a gear and a rack, the gear is installed on the motor, and the rack is installed on the handle fixture; The above-mentioned handle fixture is movably installed on the fixed plate through the slide rail.

Embodiment three

The difference between this embodiment and the first embodiment is that the driving assembly adopts a hand wheel, the hand wheel is installed on one side of the fixed plate, and the hand wheel is connected with the screw slide table through gears . Shaking the hand wheel can drive the screw slide table to drive the switch handcart to run. This scheme is simple in structure and reliable, and can be adjusted at will.

How to use: When the high-voltage switchgear needs to be turned over, tested, connected to the switch, etc., first push the carrying platform to the front of the high-voltage switchgear to be maintained and fix it. Cut off the high-voltage power supply, and use the hand rocker to shake the switch handcart out of the cabinet, and adjust the height adjustment bolts to ensure that the fixed plate is aligned with the high-voltage switch cabinet. Fasten the handle clamp to the switch handcart, and adjust the clamping width to ensure the reliability of the clamping. At this time, the electric loading and unloading action of the switch handcart can be realized by controlling the forward and backward on the hand-held operating end, and can ensure that the disassembly and assembly strokes are consistent every time.

The present invention relates to the field of electric equipment, and provides an electric loading and unloading device for a switch handcart, comprising: a carrying platform with an installation cavity; a transmission component installed on the top of the carrying platform; a fixing plate , which is installed on the transmission assembly, and is used to install a fixed switch handcart to drive the switch handcart to move on the transmission assembly; a drive assembly, which is installed in the carrying platform and connected with the transmission assembly, It is used to drive the transmission assembly to drive the fixed plate loading and unloading switch handcart; the drive assembly includes: a motor, which is installed on the transmission assembly, and is used to drive the transmission assembly to run; a motor driver, used to drive the motor rotation; a controller, which is connected with the motor driver, for outputting control information to the motor driver; an operation terminal, which is connected with the controller, for outputting control instructions to the controller; a power supply, which is connected with the The controller connection described above is used to power the entire drive assembly. The invention adopts electric power assist to load and unload the high-voltage switch handcart, which reduces the labor intensity of personnel, and also solves the problems of misalignment of connection points and failure to pull out or push in smoothly when encountering the carrying platform during operation, and prevents The handcart of the high-voltage switch may fall due to collision with the carrying platform, pressing on the operator and causing casualties.

In describing the present invention, it is to be understood that the terms "middle", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outer", "radial" and "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise specified and limited, a first feature "on" a second feature may be in direct contact with the first feature, or indirect contact with the first feature through an intermediary. "Plurality" means at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The above is only to illustrate the implementation of the present invention, and is not intended to limit the present invention. For those skilled in the art, within the spirit and principle of the present invention, any modification, equivalent replacement, and improvement without creative work etc., should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a switch handcart electric handling device which characterized in that includes:

the carrying platform is internally provided with a mounting cavity;

a fixed plate mounted on top of the carrying platform;

a transmission assembly mounted on the fixed plate;

the handle clamp is arranged on the transmission assembly and used for fixing the switch handcart;

and the driving assembly is arranged in the carrying platform, is connected with the transmission assembly and is used for driving the transmission assembly to operate so as to drive the switch handcart to be loaded and unloaded.

2. The switch cart electric handling device of claim 1, wherein said drive assembly comprises:

the motor is arranged on the transmission assembly and is used for driving the transmission assembly to operate;

the motor driver is connected with the motor and is used for driving the motor to rotate;

the controller is connected with the motor driver and is used for outputting control information to the motor driver;

the operation end is connected with the controller and used for outputting a control command to the controller;

and the power supply is connected with the controller and is used for supplying power to the whole driving assembly.

3. The electric loading and unloading device for the switch handcart according to claim 2, wherein the motor is a stepping motor or a servo motor.

4. The switch cart electric handling device of claim 2, wherein said drive assembly further comprises a limit sensor mounted on said drive assembly and connected to said controller.

5. The switch handcart electric handling device of claim 4, wherein the limit sensor is a mechanical or photoelectric limit sensor.

6. The switch cart electric handling device of claim 2, wherein said power source is an ac power source or a battery.

7. The switch handcart electric handling device of claim 2, wherein the transmission assembly employs a lead screw sliding table, and the motor and the lead screw sliding table are connected by a coupling to form an electric lead screw sliding table.

8. The electric loading and unloading device for the switch handcart according to claim 7, wherein two groups of screw rod sliding tables are arranged on two sides of the bottom of the fixing plate respectively in an inverted manner.

9. The switch handcart electric handling device of claim 2, wherein the transmission assembly comprises a slide rail, a gear and a rack, the gear is mounted on the motor, and the rack is mounted on the handle clamp; the handle fixture is movably arranged on the fixing plate through a sliding rail.

10. The switch cart electric handling device of any of claims 1-9, wherein said fixed plate is mounted on said carrier platform by four height adjustment bolts.

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