CN214243596U - Device for lifting electrical equipment - Google Patents

Abstract

A device for electrical equipment goes up and down relates to electrical equipment lift technical field for the mechanism that is used for electrical equipment to go up and down that exists among the solution prior art exists and maintains the problem of difficulty to the motor. The device for lifting the electrical equipment is characterized by comprising a hanging box and a remote control reversing switch, wherein the hanging box is rotatably connected with a winding shaft; the winding has the stay cord spare on the spool, the stay cord spare includes live wire and zero line, the fender wheel spare has been linked firmly on the spool, keep off and be equipped with live wire electricity ring and zero line electricity ring on the wheel spare, the live wire electricity ring with the live wire electricity is connected, the zero line electricity ring with the zero line electricity is connected, the live wire electricity ring with the zero line electricity ring encircles respectively the circumference setting of fender wheel spare, be equipped with live wire brush and zero line brush on the hanging box, the live wire brush with the cooperation of live wire electricity ring, the zero line brush with the cooperation of zero line electricity ring. The beneficial effect is that, be convenient for maintain the work to driving motor.

Description

Device for lifting electrical equipment

Technical Field

The utility model belongs to the technical field of the electrical equipment lift technique and specifically relates to a device for electrical equipment goes up and down.

Background

The existing high-altitude electric devices (such as illuminating lamps) with lifting functions are mainly divided into two types, the first type is that a motor is fixed at high altitude, the motor drives a pulley to control the ascending and descending of electric equipment, the motor at the high altitude cannot be descended to the ground for maintenance, and the motor can only be maintained in a manual high-altitude operation mode by means of the high-altitude lifting equipment, so that the working efficiency is seriously reduced, the working difficulty is increased, and the need of a user is still not thoroughly met by the lifting lamp; the second is to fix the motor at the high place, install a long threaded spindle under the motor, the lamps and lanterns are fixed on the mating nut of the threaded spindle, the motor drives the threaded spindle to rotate and realize the rising and falling of the electrical equipment, this kind of mode also has the shortcoming of the first kind of mode, and the threaded spindle and long electric wire below the motor hang in the sky, seriously influence and limit the factory production, the mounting height of handling equipment, because of error when the producer operates the high equipment, lead to the threaded spindle to break in the sky or lamps and lanterns and motor whole drop to cause serious accident very easily, secondly, because the threaded spindle hangs in the sky, so, will change and maintain the lamps and lanterns, the people must rise to the sky with the help of the rising equipment and just can accomplish the operation. Therefore, the second scheme is not very useful.

Therefore, the mechanism for lifting the electrical equipment in the prior art has the problem of inconvenient maintenance of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an annular conveying system for the mechanism that is used for electrical equipment to go up and down that exists among the solution prior art has the problem of maintaining the difficulty to the motor.

The utility model provides a technical scheme that its technical problem adopted is:

the device for lifting the electrical equipment comprises a hanging box and a remote control system, wherein the hanging box is rotatably connected with a winding shaft;

a pull rope piece is wound on the winding shaft and comprises at least two wires, a catch wheel piece is fixedly connected to the winding shaft, at least two electric rings are arranged on the catch wheel piece, each electric ring is connected with one wire, each electric ring is arranged around the circumference of the catch wheel piece, and each electric ring is matched with an electric brush;

the hanging box is provided with a driving motor, the driving motor is in transmission connection with the winding shaft, a cam piece is arranged on the winding shaft, the cam piece is connected with the winding shaft through a unidirectional rotation connecting piece, the hanging box is in rotation connection with a swing frame, and the swing frame comprises a vertical rod and a transverse rod fixedly connected to the vertical rod;

the hanging box is provided with a one-way self-locking steel wire hanging weight, the one-way self-locking steel wire hanging weight comprises a self-locking barrel and a base, the base is fixedly connected in the hanging box, and the one-way self-locking steel wire hanging weight is used for penetrating and sleeving the pull rope piece;

the cam piece is matched with the vertical rod and used for driving the swinging frame to swing;

the swinging end of the transverse rod is matched with the self-locking cylinder;

when the transverse rod swings downwards, the transverse rod can press the self-locking cylinder;

each brush is used for supplying power for the driving motor and/or the electrical equipment, and the remote control system is used for controlling the starting, stopping and rotating direction of the driven motor.

Furthermore, the stay cord piece still includes steel wire net cover and first insulating layer, every the wire respectively is equipped with the wire insulating layer, and the wire insulating layer cladding is in the first insulating layer, and the first insulating layer is cladded in the steel wire net cover.

Further, the hanging box comprises a bottom plate, a left side supporting piece, a right side supporting piece and a top plate piece, the left side supporting piece and the right side supporting piece are fixedly connected to the bottom plate respectively, the top plate piece is arranged between the left side supporting piece and the right side supporting piece, the top plate piece is detachably connected to the left side supporting piece, the top plate piece is detachably connected to the right side supporting piece, the upper side of the top plate piece is provided with a mounting opening, the mounting opening is detachably connected with a bracket, and the base is fixedly connected to the bracket.

Furthermore, the vertical rod is hinged with a pull rod, the pull rod is transversely arranged, a through hole is formed in the hanging box, the pull rod penetrates through the through hole, and the through hole is long in strip shape.

Furthermore, a pull ring piece is arranged on the pull rod.

Furthermore, the vertical rod is fixedly connected with a connecting shaft, a rotary damping piece is arranged on the connecting shaft, and the rotary damping piece is used for providing resistance for the swinging of the swinging frame.

Further, a normally closed travel switch is arranged at the top of the hanging box and used for cutting off power supply of the driving motor when the normally closed travel switch is disconnected.

Further, keep off wheel spare and include connecting block and interior fender face, interior fender face is established in the inner of connecting block, and the outer end detachably of connecting block is connected with end baffle, each the electricity ring overlaps respectively to be established on the connecting block, is equipped with the insulator ring between two arbitrary adjacent electricity rings, and the insulator ring cover is established on the connecting block, insulator ring, each the electricity ring is located between interior fender face and the end baffle, each respectively be connected with the connecting plate on the electricity ring, the connecting plate is located the inner circle of electricity ring, is equipped with the connecting plate notch on the connecting block, the quantity of connecting plate notch and the quantity phase-match of connecting plate, the connecting plate is placed on the connecting plate notch, and every connecting plate notch respectively matches there is the trepanning hole, and the trepanning hole is established on keeping off wheel spare.

Furthermore, a sleeve is arranged on each sleeve hole.

The beneficial effects are that: the utility model is used for electrical equipment's lift work, at the in-process that uses, the electrical equipment that will go up and down is installed on the hanging box. The beneficial effects of the utility model are that, driving motor can be along with hanging the synchronous lift of case, and the driving motor of being convenient for descends to low department along with hanging the case, and then conveniently overhauls driving motor. The utility model discloses when using, link firmly the upper end of stay cord spare on the mounting, the mounting can be other connection position of house roof, crossbeam spare or building, support. The principle of the lifting of the hanging box is that the driving motor drives the winding shaft to rotate forwards (one of two rotation directions of the driving motor is defined as forward rotation and the other is reverse rotation), so that the winding shaft winds the pull rope piece, and the lifting of the hanging box is realized. In the process, the pull rope piece moves downwards relative to the one-way self-locking steel wire hanging yard. During the forward rotation of the spool, i.e., during the winding process, the unidirectional rotation of the connector does not transfer torque from the spool to the cam member. When the hanging box need be through descending to the low department, make driving motor reversal through remote control system, and then drive the spool reversal, the spool carries out the unwrapping wire work this moment to the stay cord piece, the spool in-process that rotates backward is also the unwrapping wire in-process, one-way rotation connecting piece transmits the moment of torsion for the cam part from the spool, and then drive the cam part and rotate, the cam part rotates and drives the swing of vertical pole and then drive the swing of transverse rod, and then the transverse rod is pressed to the self-locking section of thick bamboo, after the self-locking section of thick bamboo is pressed, the stay cord piece can be relatively one-way from locking-type steel wire hanger upward movement, and then realize the unwrapping wire work to the stay cord piece, and then make the hanging box descend downwards to the low department. In addition, after each wire was inserted into the electric wire netting, the equipment accessible that carries on is connected the utility model provides a mode of brush is inserted into the power supply network, and then obtains the required electric energy of work. The pulling rope piece is used for lifting and descending the electrical equipment and is also used for supplying power to the electrical equipment.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a cross-sectional view B-B of FIG. 4;

FIG. 6 is a schematic view of a pull cord member according to one embodiment;

FIG. 7 is a schematic view of an electrical ring;

fig. 8 is a perspective view of a bobbin in the first embodiment;

FIG. 9 is an axial view of FIG. 8;

FIG. 10 is a cross-sectional view C-C of FIG. 9;

FIG. 11 is a schematic view of the connection of the pull cord member;

FIG. 12 is an enlarged view of portion D of FIG. 11;

fig. 13 is a schematic diagram of electric control of the driving motor in the first embodiment;

fig. 14 is a schematic view of a usage of the present invention according to a first embodiment;

FIG. 15 is a schematic view showing an arrangement of an electric ring and a brush in the second embodiment;

fig. 16 is a schematic view of a catch wheel in the second embodiment;

FIG. 17 is a schematic view of E-E of FIG. 16;

FIG. 18 is a schematic F-F view of FIG. 16;

fig. 19 is a schematic sectional view of the cord piece according to the second embodiment;

fig. 20 is an electric control schematic diagram of a drive motor in the second embodiment;

in the figure, 1 hanging box, 11 electric brushes, 12 brackets, 13 driving motors, 131 switch parts, 132 rectifiers, 133 DC motor controllers, 134 reversing switches, 135 relay switches, 14 bottom plates, 15 left side supporting pieces, 151 through holes, 16 right side supporting pieces, 17 top plate parts, 171 normally closed travel switches, 18 mounting ports, 2 winding shafts, 21 catch wheel parts, 211 connecting blocks, 212 inner blocking surfaces, 213 end blocking plates, 214 insulating rings, 215 connecting plate notches, 216 through holes, 22 electric rings, 23 connecting plates, 24 cam parts, 25 unidirectional rotation connecting parts, 3 rope parts, 31 wires, 32 wire insulating layers, 33 wire mesh sleeves, 34 first insulating layers, 4 vertical rods, 41 transverse rods, 42 and 43 pull ring parts, 44 connecting shafts, 45 rotation damping parts, 5 self-locking cylinders, 6 bases, 7 through sleeves, 8, 81 bottom surfaces, 9 shaft connectors, 10 umbrellas, 101 bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.

The first implementation mode comprises the following steps:

as shown in fig. 1 to 13, the device for lifting and lowering electrical equipment comprises a hanging box 1 and a remote control system.

As shown in fig. 6 and 12, the hanging box 1 is rotatably connected with the spool 2. A pulling rope member 3 is wound around the spool 2. The pull cord element 3 comprises two wires 31. The spool 2 is fixedly connected with a catch wheel piece 21. The catch wheel member 21 is provided with two electrical rings 22, and each electrical ring 22 is connected with a conducting wire 31. The electrical rings 22 are each disposed around the circumference of the catch wheel member 21. Each electrical ring 22 is associated with a respective brush 11, each brush 11 being arranged on the suspension box 1. The hanging box 1 is provided with a driving motor 13, the driving motor 13 is in transmission connection with the winding shaft 2, the winding shaft 2 is provided with a cam piece 24, the cam piece 24 is connected with the winding shaft 2 through a unidirectional rotation connecting piece 25, the unidirectional rotation connecting piece 25 refers to a connecting piece for unidirectional transmission torque in rotation connection, and a unidirectional bearing is adopted as the unidirectional rotation connecting piece 25 in the embodiment; in addition, a ratchet and pawl type of structure or other types of unidirectional rotational couplings may be selected. The flanges of the cam member 24 are located at the axial ends of the cam member. The hanging box 1 is rotatably connected with a swing frame which comprises a vertical rod 4 and a transverse rod 41 fixedly connected on the vertical rod 4. The hanging box 1 is provided with a one-way self-locking steel wire hanging code, the one-way self-locking steel wire hanging code belongs to the prior art, the one-way self-locking steel wire hanging code comprises a self-locking cylinder 5 and a base 6, the base 6 is fixedly connected in the hanging box 1, the one-way self-locking steel wire hanging code is used for sleeving a pull rope piece 3, after the pull rope piece 3 is sleeved in the one-way self-locking steel wire hanging code, the pull rope piece 3 can freely slide downwards (by taking a figure 12 as a reference) relative to the one-way self-locking steel wire hanging code, namely the pull rope piece 3 is not subjected to self-locking when the pull rope piece 3 slides downwards relative to the one-way self-locking steel wire hanging code; the self-locking effect of the one-way self-locking steel wire hanging weight on the pull rope piece 3 is shown in that when the self-locking cylinder 5 is in an upper state, the self-locking steel wire hanging weight locks the pull rope piece 3 in one way, namely the pull rope piece 3 can only move downwards relative to the self-locking steel wire hanging weight but can not move upwards; after the self-locking cylinder 5 of the one-way self-locking steel wire hanging weight is pressed downwards, the one-way self-locking steel wire hanging weight releases the one-way self-locking function of the stay rope piece 3. Since the unidirectional self-locking steel wire sling is a prior art, the structure and the working principle of the unidirectional self-locking steel wire sling are not described in detail, and a person skilled in the art can select the corresponding unidirectional self-locking steel wire sling according to the description.

As shown in fig. 1 to 5, the cam member 24 cooperates with the vertical rod 4 for driving the swing frame to swing; the swinging end of the transverse rod 41 is matched with the self-locking cylinder 5; when the cross bar 41 swings downward, the cross bar 41 can press the self-locking cylinder 5.

As shown in fig. 5 and 13, two brushes 11 are used for supplying power to the driving motor 13, and two brushes are also used for supplying power to the specific electrical equipment mounted in the present invention. The remote control system is used for controlling the starting, stopping and rotating direction of the driven motor. The remote control system is provided with a remote controller, a rectifier 132, and a dc motor controller 133 controlled by the remote controller. The drive motor 13 of the present embodiment is of a direct current type. One of the two conductors is connected to the live line in the grid and the other to the neutral line in the grid. The rectifier 132 comprises two input connections for receiving an alternating current, one of the input connections of the rectifier 132 being connected to one of the brushes 11 and the other input connection of the rectifier being connected to the other brush. The rectifier 132 includes two output interfaces for outputting dc power, the dc motor controller 133 includes two dc power input interfaces, the two output interfaces of the rectifier 132 are correspondingly connected to the input interfaces of the dc motor controller 133, and the driving motor 13 is correspondingly connected to the output terminals of the dc motor controller 133. The rectifier 132 is used for converting the direct current into direct current, and the direct current motor controller 132 is used for controlling the start and stop of the driving motor 13 and controlling the rotation direction according to the signal of the remote controller. The technology for controlling the dc motor belongs to the prior art, and is not described herein.

The utility model is used for carry on the electrical equipment that needs hang, for example light, supervisory equipment etc..

As shown in fig. 14, taking the mounting of the illumination lamp as an example, the illumination lamp includes an umbrella 10 for mounting and protecting the lamp, and the top of the umbrella 10 is detachably attached to the end of the case 1 by a bolt 101. In a similar way, the utility model discloses also can carry on other electrical equipment through bolt or other connected mode.

As shown in fig. 1 to 13, the utility model is used for the lifting work of electrical equipment, and in the using process, the electrical equipment needing to be lifted is installed on the hanging box 1. The beneficial effects of the utility model are that, driving motor 13 can be along with 1 synchronous lifts of hanging the case, and driving motor 13 of being convenient for descends to low department along with hanging case 1, and then conveniently overhauls driving motor 13. The utility model discloses when using, link firmly the upper end of stay cord piece 3 on mounting 8, mounting 8 can be roof, crossbeam spare or building, other connection positions of supporter. The principle of the lifting of the hanging box 1 is that the driving motor 13 drives the winding shaft 2 to rotate forward (one of two rotation directions of the driving motor is defined as forward rotation and the other is reverse rotation), so that the winding shaft 2 winds the rope 3, and the lifting of the hanging box 1 is realized. In the process, the pull rope piece 3 moves downwards relative to the one-way self-locking steel wire hanging yard. The unidirectional rotation coupling 25 does not transmit torque from the spool 2 to the cam member 24 during forward rotation of the spool 2, i.e., during take-up. When the hanging box 1 needs to descend to a low position, the driving motor 13 is driven to rotate reversely through the remote control system, then the winding shaft 2 is driven to rotate reversely, the winding shaft 2 carries out paying-off work on the pull rope piece 3 at the moment, the paying-off process is also carried out in the reverse rotation process of the winding shaft 2, the torque is transmitted to the cam piece 25 from the winding shaft 2 through the one-way rotating connecting piece 25, then the cam piece 25 is driven to rotate, the cam piece 25 rotates to drive the vertical rod 4 to swing and further drive the transverse rod 41 to swing, further the transverse rod 41 presses the self-locking barrel 5, after the self-locking barrel 5 is pressed, the pull rope piece 3 can move upwards relative to the one-way self-locking steel wire hanging weight, further the paying-off work on the pull rope piece 3 is realized, and further the hanging box 1 can descend to the low position downwards. In addition, after each wire is inserted the electric wire netting respectively, the equipment accessible that carries on is connected the utility model provides a mode of brush is inserted the power supply network, and then obtains the required electric energy of work. The pulling rope piece is used for lifting and descending the electrical equipment and is also used for supplying power to the electrical equipment.

As shown in fig. 6 and 12, the rope member 3 further includes a wire mesh 33 and a first insulating layer 34, each wire is provided with a wire insulating layer 32, the wire insulating layer 32 is wrapped in the first insulating layer 34, and the first insulating layer is wrapped in the wire mesh 33. Above-mentioned this kind of structure of stay cord spare 3, outside the power supply effect who guarantees stay cord spare 3, also is favorable to improving the tensile ability of stay cord spare, improves the utility model discloses a bearing capacity simultaneously, also is favorable to avoiding taking place the electric leakage, and then improves the utility model discloses a security.

As shown in fig. 1 to 5, the hanging box 1 includes a bottom plate 14, a left side supporting piece 15, a right side supporting piece 16, and a top plate piece 17. The left side supporting member 15 and the right side supporting member 16 are respectively attached to the bottom plate 14, and the top plate member 17 is disposed between the left side supporting member 15 and the right side supporting member 16, which is advantageous for protecting the driving motor 13, the brush 11, and the spool 2. Roof plate spare 17 detachably connects on left side support piece 15, and roof plate spare 17 detachably connects on right side support piece 16, and the upside of roof plate spare 17 is equipped with installing port 18, and installing port 18 detachably is connected with bracket 12, and base 6 links firmly on bracket 12, and this makes things convenient for one-way dismouting work from locking-type steel wire hanger, is convenient for right the utility model discloses assemble and the work of overhauing.

As shown in fig. 1, 2, 3, 4, 5 and 12, the vertical rod 4 is hinged with a pull rod 42, the pull rod 42 is transversely arranged, the hanging box 1 is provided with a through hole 151, the pull rod 42 passes through the through hole 151, and the through hole 151 is long-strip-shaped. When the driving motor 13 is damaged or power failure occurs, the hanging box 1 can descend under the action of self weight by toggling the pull rod 42; the descending principle of the hanging box 1 is that the pull rod 42 is pulled by the rod piece, so that the pull rod drives the vertical rod 4 to swing and further drives the transverse rod 41 to press the self-locking cylinder 5, the self-locking effect of the one-way self-locking steel wire hanging code on the pull rope piece 3 is further relieved, the paying-off work is further carried out under the action of the dead weight, and the descending work of the hanging box 1 is further carried out under the driving effect without the driving motor 13. This in turn facilitates maintenance work on the damaged drive motor 13. The pull rod 42 is provided with a pull ring member 43, which facilitates the pull and push action of the pull rod 42, and further facilitates the control of the swing of the transverse rod 41 through the pull rod 42.

As shown in fig. 5 and 12, the vertical rod 4 is fixedly connected with a connecting shaft 44, and a rotation damping member 45 is arranged on the connecting shaft 44, and the rotation damping member 45 is used for providing resistance to the swinging of the swing frame. Through setting up rotation damping piece 45, be convenient for maintain horizontal pole 41 and press to auto-lock section of thick bamboo 5, and then maintain one-way self-locking steel wire hanger in the state that the auto-lock is relieved in the decline of hanging box, this is favorable to especially relying on the drop work of hanging box 1 of dead weight.

As shown in fig. 1, 2, 3, 4, 5, 12 and 13, a normally closed type travel switch 171 is provided at the top of the hanging box 1, and when the normally closed type travel switch 171 is turned off, the driving motor is in a power-off state; for example, the normally closed type stroke switch 171 is connected to one power supply input line of the drive motor 13. When the hanging box 1 is raised to the bottom surface 81 of the fixing member 8 during the raising of the hanging box 1, the bottom surface 81 triggers the normally closed type travel switch 171, the normally closed type travel switch 171 is turned from the closed state to the open state, and the circuit for supplying power to the driving motor 13 is cut off, and the raising of the hanging box 1 is stopped.

As shown in fig. 1 to 12, the catch wheel member 21 includes a connecting block 211 and an inner catch surface 212, and the inner catch surface 212 is provided at an inner end of the connecting block 211. An end baffle 213 is detachably attached to the outer end of the connecting block 211. The two electric rings 22 are respectively sleeved on the connecting block 211, and an insulating ring 214 is arranged between the two electric rings 22. The insulating ring 214 is sleeved on the connecting block 211. The insulator ring 214, the two electrical rings 22 are positioned between the inner stop surface 212 and the end stop 213. Each electrical ring 22 is connected with a connecting plate 23, and the connecting plate 23 is positioned at the inner ring of the electrical ring 22. The connecting block 211 is provided with connecting plate notches 215, the number of the connecting plate notches 215 matches the number of the connecting plates, in the present embodiment, each electrical ring 22 is provided with one connecting plate, two electrical rings 22 are provided with two connecting plates in total, and the connecting block 211 is provided with two connecting plate notches 215. The connecting plates are placed on the connecting plate notches, each connecting plate notch is matched with a sleeve hole 216, and the sleeve holes 216 are formed in the catch wheel piece 21. The structure facilitates the lead 31 to pass through the sleeve hole 216 to contact with the corresponding connecting plate 23, so as to facilitate the conduction of the corresponding circuit, and each sleeve hole 216 is used for penetrating one lead. The sleeve-through holes 216 are respectively provided with a sleeve-through pipe 7. Above-mentioned connected mode between each electrical ring when avoiding the normal power supply work of circuit, also is favorable to avoiding the condition of short circuit to send, and then improves the utility model discloses a security.

This embodiment is suitable for a case where power is supplied through one live wire and one zero wire.

The second embodiment:

with reference to figure 15 and figure 20 of the drawings,

the driving motor 13 of the second embodiment is of an alternating current type, four electric rings 22 are provided on the connecting block 211 of the catch wheel 21, an insulating ring 214 is provided between two adjacent electric rings, and three insulating rings are provided in total. The structure of the electrical ring is the same as that in the first embodiment. The catch wheel member 21 is correspondingly provided with four web notches 215, each of which is correspondingly provided with a through-hole 216. The stay rope member 3 is provided with four wires 31, the outer side of each wire 31 is provided with a wire insulation layer 32, the wire insulation layer 32 is coated in a first insulation layer 34, and the first insulation layer 34 is coated in a wire mesh 33. The four wires have the effects that three of the three wires are used for being connected with three wires in a three-phase power grid, the rest one wire is used for being connected with a zero line in the power grid, each wire is correspondingly connected with one electric ring, three of the four electric brushes are electrically connected with three phases in the three-phase power grid in a one-to-one correspondence mode, and the rest one electric brush is electrically connected with the zero line in a corresponding mode.

The remote control system comprises a remote controller and a reversing switch 134 controlled by the remote controller, the reversing switch 134 comprises three input interfaces and three output interfaces, the three input interfaces of the reversing switch 134 are correspondingly and electrically connected with three electric brushes for electrically connecting a three-phase circuit, and the three output interfaces of the reversing switch are correspondingly and electrically connected with the input interface of the driving motor 13; the reversing switch 134 is used for controlling the forward and reverse rotation and starting and stopping of the driving motor through signals of a remote controller.

In the embodiment, a relay switch is provided, the relay switch comprises a relay switch piece 135 and a coil for driving the switch piece to act, and the normally-closed travel switch is used for controlling the on-off of the coil, namely when the normally-closed travel switch is in a closed state, the coil is electrified; when the normally closed travel switch is in an off state, the coil is powered off. When the coil is energized, the relay switch 135 is closed, and when the coil is de-energized, the relay switch 135 is open. The relay switching element 135 is provided on a circuit for electrically connecting the driving motor 13 and the changeover switch 134 to control on/off of the circuit, and thus the driving motor is turned off when the normally-closed type stroke switch is turned off, thereby stopping the rotation of the driving motor.

Claims (9)

1. The device for lifting the electrical equipment is characterized by comprising a hanging box and a remote control system, wherein the hanging box is rotatably connected with a winding shaft;

a pull rope piece is wound on the winding shaft and comprises at least two wires, a catch wheel piece is fixedly connected to the winding shaft, at least two electric rings are arranged on the catch wheel piece, each electric ring is connected with one wire, each electric ring is arranged around the circumference of the catch wheel piece, and each electric ring is matched with an electric brush;

the hanging box is provided with a driving motor, the driving motor is in transmission connection with the winding shaft, a cam piece is arranged on the winding shaft, the cam piece is connected with the winding shaft through a unidirectional rotation connecting piece, the hanging box is in rotation connection with a swing frame, and the swing frame comprises a vertical rod and a transverse rod fixedly connected to the vertical rod;

the hanging box is provided with a one-way self-locking steel wire hanging weight, the one-way self-locking steel wire hanging weight comprises a self-locking barrel and a base, the base is fixedly connected in the hanging box, and the one-way self-locking steel wire hanging weight is used for penetrating and sleeving the pull rope piece;

the cam piece is matched with the vertical rod and used for driving the swinging frame to swing;

the swinging end of the transverse rod is matched with the self-locking cylinder;

when the transverse rod swings downwards, the transverse rod can press the self-locking cylinder;

each brush is used for supplying power for the driving motor and/or the electrical equipment, and the remote control system is used for controlling the starting, stopping and rotating direction of the driven motor.

2. The device as claimed in claim 1, wherein the stay wire member further comprises a wire mesh and a first insulation layer, each of the wires is provided with a wire insulation layer, the wire insulation layer is wrapped in the first insulation layer, and the first insulation layer is wrapped in the wire mesh.

3. The device for lifting and lowering electrical equipment as claimed in claim 1, wherein the suspension box comprises a bottom plate, a left supporting member, a right supporting member and a top plate member, the left supporting member and the right supporting member are respectively fixedly connected to the bottom plate, the top plate member is arranged between the left supporting member and the right supporting member, the top plate member is detachably connected to the left supporting member, the top plate member is detachably connected to the right supporting member, the top side of the top plate member is provided with a mounting opening, the mounting opening is detachably connected with a bracket, and the base is fixedly connected to the bracket.

4. The device for lifting and lowering electrical equipment of claim 1, wherein said vertical rod is hinged to a pull rod, said pull rod is disposed transversely, said hanging box is provided with a through hole, said pull rod passes through said through hole, and said through hole is elongated.

5. A device for lifting or lowering electrical equipment as claimed in claim 4, wherein the pull rod is provided with a pull ring member.

6. A device for lifting or lowering an electrical apparatus as claimed in claim 4 or 5, wherein the vertical rod is fixedly connected to a connecting shaft, and the connecting shaft is provided with a rotational damping member for providing resistance to the swinging of the swing frame.

7. The device for lifting and lowering electric equipment as claimed in claim 1, wherein a normally closed type stroke switch is provided at the top of the hanging box for cutting off the power supply of the driving motor when the normally closed type stroke switch is turned off.

8. The device for lifting electrical equipment of claim 1, wherein the catch wheel member comprises a connecting block and an inner catch surface, the inner catch surface is disposed at an inner end of the connecting block, an end face guard is detachably connected to an outer end of the connecting block, each of the electrical rings is respectively sleeved on the connecting block, an insulating ring is disposed between any two adjacent electrical rings, the insulating ring is sleeved on the connecting block, the insulating ring and each of the electrical rings are disposed between the inner catch surface and the end face guard, each of the electrical rings is connected with a connecting plate, the connecting plate is disposed at an inner ring of the electrical ring, the connecting block is provided with connecting plate notches, the number of the connecting plate notches is matched with the number of the connecting plates, the connecting plates are disposed on the connecting plate notches, each connecting plate notch is matched with a through hole, and the through holes are disposed on the catch wheel member.

9. The device for lifting and lowering electrical equipment of claim 8, wherein each of said through holes is provided with a through sleeve.

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