CN205500469U - An electric vertical drum type grounding wire retracting device - Google Patents

Abstract

An electric vertical drum type grounding wire retracting device is characterized in that it includes a cavity body (2) and an external pull rod ( 7), the wire winder (6) is placed outside the cavity body (2) and connected with the external pull rod (7); the cavity body (2) is respectively provided with a main DC motor (1), a lithium battery ( 3), motor controller (4), limit stroke switch and relay group (8), etc.; the beneficial effect of the utility model is: the method for receiving and releasing the grounding wire by the shift attendant in the substation is optimized, and an electric vertical The drum-type grounding wire retracting device reduces the operation risk in the process of handling, retracting and connecting wires, saves time and improves work efficiency. The weight and volume of the wire take-up are reduced, and the portability is enhanced; the utility model uses a four-sided spring base to fix the grounding pole, and adds a fixing device on the top to make the grounding line more stable when rotating.

Description

An electric vertical drum type grounding wire retracting device

technical field

The utility model is an auxiliary device for installing a grounding wire when arranging safety measures for substation equipment, and is especially suitable for maintenance operations of 35kV-500kV substation equipment.

Background technique

Substation switching operation is one of the core tasks of substation operators. When most equipment is out of power for maintenance, in order to meet the needs of safety measures, substation attendants must install and remove grounding wires. And in the process of installing and removing the grounding wire, it takes a lot of time to collect and put the grounding copper wire. At the same time, some high-voltage grounding wires weigh more than 30kg, which may cause sprains, muscle strains or bruises in the process of receiving and releasing the grounding wires. And it is extremely inconvenient whether to receive the ground wire or to put the ground wire by the manual handling and operation of the attendant on duty, which will cause great inconvenience to the work due to both delayed work and delayed time.

Contents of the invention

The purpose of this utility model is to optimize the method for receiving and releasing the grounding wire by the on-duty person in the substation, and provide an electric vertical drum type grounding wire retracting device for it, which reduces the operation risk in the process of handling, retracting and releasing the wire, saves time, and improves work efficiency. The utility model device provides an electric vertical drum type ground wire retractor.

The utility model is realized by the following technical means:

An electric vertical drum type grounding wire retracting device, the utility model is characterized in that it includes a cavity body and an external pull rod connected to one side and the bottom of the cavity body and supports the cavity body, and the wire winder is arranged in the cavity body The outer side of the body is connected with the external pull rod; the main DC motor, lithium battery, motor controller, limit travel switch and relay group are respectively arranged in the cavity; the motor shaft of the main DC motor and the spring located above the cavity The base is fixedly connected, and a damping electric door pedal is provided on the bottom side of the external pull rod to connect with the motor controller.

The utility model is equipped with a pulley at the bottom of the external pull rod to achieve the effect of light and convenient transportation.

The DC motor of the utility model is used as a driving device, and the lithium battery is used as a power source, and the grounding wire inserted therein is evenly wound on the grounding pole through the rotation of the motor and the movement of the winding slideway.

The grounding wire of the utility model can move up and down with the slideway of the winding device, so that the grounding wire can be wound in a certain area of the grounding rod.

The device limiter of the utility model is combined with the external pull rod at one place, which reduces the weight and volume of the wire take-up device and enhances portability.

The utility model uses a four-sided spring base to fix the grounding wire rod, and adds a fixing device on the top to make the grounding wire more stable when rotating.

The main DC motor is the driving equipment of this device. The weight of the common grounding wire is (30±10) kg, and considering a certain margin, its rated torque should not be less than 5N m; according to the safety requirements of the site operation, the winding speed of the grounding wire It should be less than 0.5m/s; the main DC motor is placed in the cavity of the cake-shaped shell, and its power is supplied by a (24V, 4A h) lithium battery; its speed is adjusted by the motor controller and the damping switch pedal, so as to realize Speed control during ground wire winding.

The winder slideway uses a screw-type slideway driven by a motor, and the relay group controls the forward and reverse rotation of the motor to control the up and down movement of the slider on the slideway. The slideway is 500mm long and is placed outside the pie-shaped shell. It is adjusted by motor controller and damping electric pedal. The copper wire of the ground wire passes through the ring holder on the slider and can slide freely in the ring. In order to improve the structural stability, aesthetics and portability of the device, the slideway and the external pull rod are combined into one. The slideway of the wire winder controls the round-trip distance during the winding process through the limit travel switches on both sides, so that neither the accumulation of the ground wire nor the problem of excessive winding will occur during the winding process, and finally the ground wire will be wound on the ground wire. within the specified area of the rod. From the perspective of ergonomics, the length of the telescopic rod is 60mm after shrinking and 100mm after stretching.

Described pulley is installed in this device bottom. Since the whole device weighs about 7.5kg, it is difficult to carry it manually. In order to take into account the stability and the passability in the process of transportation, two pulleys with a diameter of 75-100mm are installed under the pull rod, so as to achieve the effect of light transportation.

The spring base is placed on the DC motor, the surrounding of the base adopts splicing design, and the periphery is wound with springs. The three three-dimensional surfaces of the spring base are designed as planes, and the other side is designed as a semicircular curved surface. The hook of the grounding rod can be hung on the curved surface to stabilize the grounding wire. At the same time, the thickness of the grounding wire poles corresponding to different voltage levels is also different, and the spliced base can realize model self-adaptation, thus improving the versatility of the device. The overall design of the spring base not only fixes the grounding rod, but also adds a fixing device above the design of the utility model, so that the grounding wire is more stable when rotating.

The utility model is described in further detail below in conjunction with the accompanying drawings and embodiments, but not limited to those shown in the accompanying drawings;

Description of drawings

Fig. 1 is the design drawing of the present utility model.

detailed description

Below in conjunction with accompanying drawing, utility model is described further.

See Figure 1

The utility model provides an electric vertical drum type ground wire retractor, which includes a main DC motor 1 placed in the cavity of a pie-shaped shell 2 . The winder slideway 6 is arranged on the outside of the pie-shaped casing 2 and combined with the external pull rod 7 . The wire winder slideway 6 controls the winding distance in the winding process through the limit travel switch and the relay group 8 at the two ends of the slideway itself. The main DC motor 1 and the speed of the winder slideway 6 in the winding process of the ground wire are regulated by the motor controller 4 and the damping electric door pedal 5, and its power supply is supplied by a lithium battery 3. Pulley 9 is installed on the bottom of pie-shaped shell 2, and the external pull rod 7 both sides. The spring base 10 is fixed on the main DC motor 1 shaft. The lower end of the grounding wire is clamped on the spring base 10, driven by the main DC motor 1 to rotate, and the grounding wire passes through the ring on the winder slide 6 to move up and down synchronously, so that the grounding wire is evenly wound on the grounding pole .

Claims (2)

1. an electric vertical drum-type earth lead draw off gear, it is characterised in that include a cavity body (2) and be connected to sky The external pull bar (7) of cavity (2) side, bottom support cavity body (2), bobbin winoler (6) is placed in cavity body (2) Outside, and be connected with external pull bar (7)；Be respectively equipped with in cavity body (2) main direct current generator (1), lithium battery (3), Electric machine controller (4), limitation travel switch and relay group (8)；The motor shaft of main direct current generator (1) be positioned at cavity body (2) spring pedestal (10) of top is fixing connects, external pull bar (7) bottom sides be provided with damping electric switch pedal (5) with Electric machine controller (4) connects.

A kind of electric vertical drum-type earth lead draw off gear the most according to claim 1, it is characterised in that draw external Bar (7) bottom is provided with pulley (9), to reach the effect of light carrying.