CN218549487U - Crane power saving device - Google Patents

Abstract

The utility model relates to a hoist power saving device, including the hoist body, the wiping line, switch board and fixing base, one side of fixing base is rotated through link mechanism and is installed can with the electrically conductive current collector of wiping line contact, still including the lead screw jack who sets up in the link mechanism top, the jacking end of lead screw jack is connected with link mechanism's connecting rod, install a driving motor on the fixing base, driving motor's drive shaft and lead screw jack's lead screw end are at the horizontal direction key-type connection, driving motor passes through the UPS power and is connected with automatically controlled cabinet electricity, install current detector on the hoist body, current detector passes through the contactor electricity of controller and switch board and is connected, it is connected with the timer still to go back the electricity on the controller. The utility model discloses upgrade hoist power control, reach hoist energy saving and consumption reduction's purpose.

Description

Crane power saving device

Technical Field

The utility model relates to a hoist economize on electricity technical field, concretely relates to hoist power saving device.

Background

At present, two cranes are arranged in a first-stage rolling mill workshop of New Meida scientific and technical materials Co., ltd, the mid-span crane is mainly used for hanging rollers of a grinding machine, the crane is not frequently used by the grinding machine, 80% of time is in a stop state, although in the stop state, an electric control system on the crane still has power supply consumption, the power supply control of the crane needs to be upgraded for energy conservation and consumption reduction, and the purpose of energy conservation and consumption reduction of the crane is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a hoist power saving device, but real-time supervision is through the electric current size of hoist, can realize the automatic disconnection current collector under the condition that the hoist does not, reaches hoist energy saving and consumption reduction's purpose.

The utility model discloses a realize through following technical scheme:

the utility model provides a hoist power saving device, including the hoist body, the wiping line, switch board and fixing base, one side of fixing base is rotated through link mechanism and is installed can with the electrically conductive current collector of wiping line contact, still including the screw jack who sets up in the link mechanism top, the jacking end of screw jack is connected with link mechanism's connecting rod, install a driving motor on the fixing base, driving motor's drive shaft and screw jack's lead screw end are at the horizontal direction key-type connection, driving motor passes through the UPS power and is connected with automatically controlled cabinet electricity, install current detector on the hoist body, current detector passes through the controller and is connected with the contactor electricity of switch board, it is connected with the timer still to go back the electricity on the controller.

This scheme is through the screw jack by driving motor drive at the link mechanism installation of current collector, utilize current detector to detect the electric current size on the hoist body, judge that the hoist is in unloaded idle state when the electric current is less than 5A, utilize the contactor separation and the disconnection of automatically controlled cabinet through controller cooperation timer, the realization is supplied power to driving motor, and then utilize screw jack jacking action to realize separating current collector and wiping line, when the realization is not used at the hoist, to the function of its outage, the power consumption that significantly reduces, and low in production cost.

Furthermore, the controller is also electrically connected with a signal receiver which is arranged on the control cabinet and is in wireless communication with a remote controller of the crane.

The controller is connected with the signal receiver electricity, and accessible remote controller signals, realizes can automatic reverse operation after the hoist outage, realizes the combination of current collector and wiping line, and then can conveniently resume the power supply of hoist, convenient operation.

The utility model has the advantages that:

when the current detector detects that the current of the crane is less than 5A, the current detector feeds back a signal to the controller, the controller controls the timer to count time for 5min, after the current is counted, the signal is fed back to the controller, the controller outputs a signal to be connected with a contactor of the electric control cabinet to supply power to the UPS power supply, so that the driving motor is powered on, the screw jack is driven to jack up, the current collector is separated from the sliding contact line, the complete power failure of the crane is realized, the electric energy loss when the crane is not used can be saved, and the purposes of saving energy and reducing consumption are achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Shown in the figure:

1. the device comprises a sliding contact line, 2, a current collector, 3, a lead screw jack, 4, a lead screw end, 5, a driving shaft, 6, a driving motor, 7, a connecting rod mechanism, 8, a fixed seat, 9, a current detector, 10, a signal receiver, 11, a UPS power supply, 12, an electric control cabinet, 13, a controller, 14 and a timer.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

The utility model provides a hoist power saving device, including the hoist body, wiping line 1, switch board 12 and fixing base 8, one side of fixing base 8 is rotated through link mechanism 7 and is installed can with wiping line 1 contact electrically conductive current collector 2, still including setting up the screw jack 3 in link mechanism 7 top, the jacking end of screw jack 3 is connected with link mechanism 7's connecting rod, install a driving motor 6 on the fixing base 8, in this embodiment, driving motor 6 is the 220V motor, driving motor 6's drive shaft 5 and screw jack 3's lead screw end 4 are at the horizontal direction key-type connection, driving motor 6 corotation and reversal, can drive screw end 4 corotation and reversal, and then realize screw jack 3's rising and reduction.

The driving motor 6 is electrically connected with the electric control cabinet 12 through the UPS 11, and the UPS supplies power to the driving motor 6 by using a self-contained battery under the condition of no electricity, so that the driving motor 6 can be kept to act. The crane body is provided with a current detector 9, the current detector 9 is electrically connected with a contactor of the control cabinet 12 through a controller 13, and the controller 13 is also electrically connected with a timer 14.

The controller 13 is also electrically connected to a signal receiver 10 provided on the control cabinet 12 and in wireless communication with the remote controller of the crane.

The crane trolley line 1 is 800A in use, has large current-carrying capacity, and can supply power to 4 cranes of 30T at most every span. The trolley conductor 1 supplies power to the crane, and the current collector 2 is in contact with the trolley conductor 1 to guide a power supply into a main breaker in a crane incoming line power supply box, so that power supply to the crane is completed. The crane power supply is from four-wire system trolley conductor 1, three phase wires and a zero wire. When the crane current collector 2 contacts the trolley line 1, the crane is electrified.

The utility model discloses an action principle: when a current detector 9 installed on a crane body detects that the current of the crane is less than 5A, the crane does not output current but a contactor coil and controls the loss current of electric charge at the moment, the current detector 9 feeds back signals to a controller 13, the controller 13 outputs signals to a timer 14, the timer 14 times for 5min, the timer 14 feeds back signals to the controller 13 after reaching a point, the controller 13 outputs signals to a contactor on an electric control cabinet 12 of the crane body to obtain 3s of electricity, the contactor is attracted to supply power to a UPS (uninterrupted power supply) 11, the UPS 11 supplies power to a 220V driving motor 6, the motor 6 rotates forwards for 3s, the screw jack 3 is connected with the driving motor 6, the motor 6 rotates for 3s and simultaneously lifts the screw jack 3 downwards, the current collector 2 rotates downwards around a fixed seat 8 through a driving link mechanism 6, the current collector 2 moves downwards for about 2cm, the current collector 2 is separated from a sliding contact line 1, and complete power failure of the crane is realized.

On the contrary, when the crane is needed, a remote controller of the crane body is used, the starting button is pressed down, the signal receiver 10 obtains a signal and feeds the signal back to the controller 13, the controller 13 outputs a reverse signal to electrify the contactor of the electric control cabinet 12 for 3s, the contactor is attracted to supply power to the UPS power supply 11, the UPS power supply 11 supplies power to the motor 6, the motor 6 reverses for 3s, the screw jack 3 reversely returns to the initial position at the moment, the connecting rod mechanism 6 is driven to reversely rotate upwards around the fixing seat 8, the current collector 2 is upwards retracted by about 2cm, the current collector 2 is contacted with the sliding contact line 1 at the moment, and the crane is electrified to be recovered for use.

The utility model discloses a structure at the small-size lead screw jack 3 of current collector 2 below installation of hoist, cooperation current detector 9, controller 13 and time-recorder 14 etc. reach the hoist under the unloaded condition, automatically give current collector 2 and the 1 disconnect power supply of wiping line of hoist power supply after 5min, the thorough outage of hoist realizes the energy saving and consumption reduction of hoist, greatly reduced the manufacturing cost in workshop.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (2)

1. The utility model provides a hoist power saving device, includes hoist body, wiping line, switch board and fixing base, and one side of fixing base is rotated through link mechanism and is installed and to be contacted electrically conductive current collector, its characterized in that with the wiping line: still including setting up the screw jack in the link mechanism top, screw jack's jacking end is connected with link mechanism's connecting rod, installs a driving motor on the fixing base, and driving motor's drive shaft and screw jack's lead screw end are at the horizontal direction key-type connection, and driving motor passes through the UPS power and is connected with automatically controlled cabinet electricity, installs current detector on the hoist body, and current detector passes through the controller and is connected with the contactor electricity of switch board, and still electricity is connected with the timer on the controller.

2. The crane power saving device according to claim 1, wherein: the controller is also electrically connected with a signal receiver which is arranged on the control cabinet and is in wireless communication with a remote controller of the crane.

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