SUMMERY OF THE UTILITY MODEL
The utility model provides a construction elevator band-type brake control system has solved when the controller is installed and removed, problem that relatively wastes time and energy.
In order to solve the technical problem, the utility model provides a band-type brake control system of a construction elevator, which comprises an installation box, wherein one side of the installation box is provided with a controller, one side of the controller is fixedly connected with two installation plates, a movable plate is connected between two sides of the interior of the installation box in a sliding way, one side of the movable plate is fixedly connected with a positioning groove, one side of the installation plate penetrates through the installation box and extends to the interior of the positioning groove, a clamping groove is arranged on the installation plate, one side of the installation box is fixedly connected with an L-shaped plate, the interior of the L-shaped plate is connected with a sliding plate in a sliding way, the bottom of the sliding plate is fixedly connected with a long rod, the bottom end of the long rod penetrates through the installation box and extends to the interior of the installation box, one end of the long rod extending to the interior of the installation box is fixedly connected with a clamping piece, and the bottom of the clamping piece penetrates through the clamping groove and extends to the interior of the clamping groove, the other side of the moving plate is provided with three extrusion springs, and one ends of the three extrusion springs are arranged on one side in the installation box.
Preferably, one side fixedly connected with connecting rod of controller, the one end of connecting rod is run through the install bin and is extended to the inside of install bin, the connecting rod extends to the inside one end fixedly connected with magnet of install bin.
Preferably, the top of the sliding plate is fixedly connected with an operating rod, the top end of the operating rod penetrates through the L-shaped plate and extends to the top of the L-shaped plate, and one end of the operating rod, which extends to the top of the L-shaped plate, is fixedly connected with a control handle.
Preferably, the outer surface of the operating rod is sleeved with an extension spring.
Preferably, an iron block is arranged on one side of the sliding plate and on the side opposite to the two positioning grooves, and one side of the iron block is in contact with the magnet.
Preferably, the top of the controller is hinged with a cover plate through a hinge, and a blowing assembly is arranged on the cover plate.
Preferably, the cover plate is provided with a reflective strip, and one side of the controller is provided with a heat dissipation hole.
Compared with the prior art, the utility model provides a construction elevator band-type brake control system has following beneficial effect:
the utility model provides a construction elevator band-type brake control system, this controller have the function of making things convenient for the dismouting, need not to carry out the dismouting with the help of external appurtenance, easy operation, convenient to use, comparison labour saving and time saving for the speed of dismantling improves greatly, avoids influencing the normal work of lift, and through set up the apron on the controller, plays the effect of protection, avoids external object to cause the damage to the controller, and then is worth using widely.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a brake control system of a construction elevator according to a preferred embodiment of the present invention; fig. 2 is a schematic side view of the band-type brake control system of the construction hoist provided by the present invention; FIG. 3 is a schematic side view of the controller shown in FIG. 1; fig. 4 is the utility model provides a construction elevator band-type brake control system circuit diagram. The band-type brake control system of the construction elevator comprises an installation box 1, wherein a controller 2 is arranged on one side of the installation box 1, two installation plates 3 are fixedly connected on one side of the controller 2, a moving plate 4 is slidably connected between two sides in the installation box 1, a positioning groove 5 is fixedly connected on one side of the moving plate 4, one side of the installation plate 3 penetrates through the installation box 1 and extends to the inside of the positioning groove 5, a clamping groove 6 is formed in the installation plate 3, an L-shaped plate 7 is fixedly connected on one side of the installation box 1, a sliding plate 8 is slidably connected in the L-shaped plate 7, a long rod 9 is fixedly connected at the bottom of the sliding plate 8, the bottom end of the long rod 9 penetrates through the installation box 1 and extends to the inside of the installation box 1, and a clamping piece 10 is fixedly connected at one end of the long rod 9 extending to the inside of the installation box 1, the bottom of the clamping piece 10 penetrates through the clamping groove 6 and extends into the clamping groove 6, three extrusion springs 11 are arranged on the other side of the moving plate 4, and one ends of the three extrusion springs 11 are arranged on one side in the installation box 1;
the controller 2 is internally provided with a logic signal processing module which comprises a switching power supply, a signal interface, a processing module and a processor, wherein the switching power supply converts a 380V alternating current power supply into isolated 24V and 5V direct current power supplies, the 24V direct current power supply supplies power to the signal interface and the processing module, and the 5V direct current power supply supplies power to the processor; the safety signal, the band-type brake feedback signal and the contactor feedback signal are connected to the processor through the signal interface and the processing module; meanwhile, the safety signal directly controls the coils of the relay Y1, the relay Y2 and the relay Y3, and the purpose of doing so is to adopt hardware to form a safety loop instead of program control of a processor, and the processor judges whether the circuit works abnormally according to the contactor feedback signal and the contracting brake feedback signal;
the 380V alternating current power supply, the direct current conversion module, the first and second contacts of the band-type brake contactor, the air switch and the band-type brake coil are connected in series, and the absorption module is connected to two ends of the band-type brake coil in parallel to form a band-type brake coil control loop. The direct current conversion module converts 380V alternating current into 195V direct current; the absorption module is formed by connecting a diode and a power resistor in series, the cathode of the diode is connected with the anode of the 195V direct current, the anode of the diode is connected with the resistor, and the other end of the resistor is connected with the cathode of the 195V direct current; the air switch is normally closed, and is automatically disconnected when the control loop is subjected to short-circuit fault and the current is increased, so that the safety of the control loop is guaranteed; when the first contactor contact and the second contactor contact are closed, the contracting brake coil is electrified, the contracting brake is opened, and when the first contactor contact and the second contactor contact are disconnected, the contracting brake coil is electrified, and the contracting brake is closed.
The contactor coil control loop is formed by connecting a 380V alternating current power supply, a relay Y1 contact, a relay Y2 contact, a relay Y3 contact, a relay Y4 contact and a contactor coil in series, and when any one of the relays is disconnected, the coil of the contactor is powered off and the contact of the contactor is disconnected;
one end of each coil is connected to 24V direct current in the logic signal processing module in parallel, the other end of each coil is connected with a safety signal, the safety signal directly controls the three relays, and meanwhile, the safety signal is connected with the processor, and the state of the three relays is monitored by the processor; the other end of the coil of the relay Y4 is connected with a brake control signal which is a brake releasing instruction and a brake contracting instruction sent by the processor;
and a contact three of the contactor is used as a contactor feedback signal to be accessed into the logic signal processing module. When the safety signal is normal, the relay Y1, the relay Y2 and the relay Y3 are all closed, and the safety feedback signal is normal; when the processor sends a brake command and the brake control signal controls the relay Y4 to be closed, the coil of the contactor is electrified, the contact of the contactor is closed, the feedback signal of the contactor is a closing signal, and if the feedback signal of the contactor is abnormal, the logic signal processing module performs abnormal processing; when the processor sends a brake release instruction and the brake control signal controls the relay Y4 to be switched off, the coil of the contactor loses power, the contact of the contactor is switched off, the feedback signal of the contactor is a switching-off signal, and if the feedback signal of the contactor is abnormal, the logic signal processing module performs abnormal processing;
the contracting brake feedback signal is accessed into the logic signal processing module, when the processor sends out a contracting brake instruction, if a control loop is normal, the contracting brake feedback signal is normal, otherwise, the processor performs exception processing;
the input end of the direct current conversion module is connected with a 380V alternating current power supply through a power line, and any two phases of the three-phase 380V alternating current power supply are selected; the output end of the direct current conversion module is direct current 195V, the positive electrode and the negative electrode are distinguished, the output end of the direct current conversion module is connected with one end of a first contact and one end of a second contact of the contactor through power lines, the other ends of the first contact and the second contact of the contactor are connected with one end of an air switch through the power lines, and the other end of the air switch is connected with a band-type brake coil through the power lines;
the absorption module uses a Printed Circuit Board (PCB), the anode of the diode and the power resistor are connected through a PCB copper-clad wire, the cathode of the diode and the other end of the power resistor are connected with an output terminal through a PCB copper-clad wire, two power lines are led out from the output terminal, the absorption module is connected to two ends of the band-type brake coil in parallel, the cathode leading-out wire of the diode is connected with the anode of a direct-current 195V power supply, and the leading-out wire of the power resistor is connected with the cathode of the direct-current 195V power supply;
the 001 and 002 form a control loop of the band-type brake coil, and an air switch is normally closed in the loop and has the function of protecting the loop; whether the band-type brake coil is electrified or not is directly controlled by the on-off of the contact of the contactor;
the relay Y1, the relay Y2, the relay Y3 and the relay Y4 are connected in series by copper-clad wires through a PCB by using a Printed Circuit Board (PCB), and the unconnected ends of the relay Y1 and the relay Y4 are connected to an output terminal by copper-clad wires of the PCB;
any two phases of a three-phase 380V alternating current power supply are taken, wherein one phase is connected with an output terminal of a relay Y1 through a power line; the other phase is connected with one end of a contactor coil through a power line, and the other end of the contactor coil is connected with an output terminal of a relay Y4 through the power line;
004 and 005 form a contactor coil control circuit, in the circuit, any one of a relay Y1, a relay Y2, a relay Y3 and a relay Y4 is disconnected, the contactor coil is de-energized, and a contactor contact is disconnected;
the logic signal processing module is composed of a switching power supply, a signal interface, a processing module and a processor, and uses a Printed Circuit Board (PCB). The three-phase 380V alternating current power supply is connected with the input end of the switching power supply through a power line, the switching power supply outputs 24V direct current and 5V direct current, the 24V direct current supplies power to the signal interface and the processing module, and the 5V direct current supplies power to the processor;
one end of the relay Y1, one end of the relay Y2 and one end of the relay Y3 are connected with 24V direct current in parallel, the other end of the relay Y is connected with a safety signal through a signal interface and a processing module, and the signal interface and the processing module send the safety signal to a processor; one end of the relay Y4 is connected with 24V direct current in parallel, the other end is connected with a brake control signal through a signal interface and a processing module, the brake control signal is a brake releasing instruction and a brake contracting instruction sent by a processor, and the signal lines are all connected by adopting a PCB copper-clad wire;
the safety feedback signal, the contactor feedback signal and the band-type brake feedback signal are all connected into the signal interface and the processing module through signal lines, and are connected into the processor through the PCB copper-clad wire after being processed by the signal interface and the processing module.
The working process of the band-type brake control system is as follows:
when the safety signal is normal, the coils of the relay Y1, the relay Y2 and the relay Y3 are electrified, the contacts of the relay Y1, the relay Y2 and the relay Y3 are closed, the safety signal is simultaneously sent to the processor, and the processor detects the state of the safety signal; the safety feedback signal is connected behind the relay Y3 and is also sent to the processor after passing through the signal interface and the processing module, and the processor obtains the state of the safety feedback signal; and the processor judges whether the loop is abnormal or not according to the states of the safety signal and the safety feedback signal.
When the processor sends a brake command through a brake control signal, the relay Y4 is closed, the coil of the contactor is electrified, three groups of contacts of the contactor are closed simultaneously, one group of contacts is used as a contactor feedback signal and sent to the processor, and the processor judges whether the contactor is abnormal according to the brake command and the state of the contactor feedback signal; after the other two groups of contactor contacts are closed, the contracting brake coil is electrified, the contracting brake is braked, the contracting brake state is sent to the processor by the brake through contracting brake feedback signals, and the processor judges whether the abnormality exists or not according to the contracting brake feedback signal state;
the positioning groove 5 plays a role in positioning the mounting plate 3, so that the mounting plate 3 is prevented from deviating in the mounting process;
through the arranged extrusion spring 11, when the controller 2 is disassembled, the mounting plate 3 and the connecting rod on the controller 2 can be conveniently taken out through the resilience of the extrusion spring 11;
the top and the bottom of the inner wall of the installation box 1 are fixedly connected with limiting blocks, and when the movable plate 4 is contacted with the limiting blocks, the clamping piece and the clamping groove are in the same vertical direction, so that the assembly and disassembly are convenient;
the installation box 1 is arranged on the elevator.
One side fixedly connected with connecting rod 12 of controller 2, the one end of connecting rod 12 runs through install bin 1 and extend to the inside of install bin 1, connecting rod 12 extends to the inside one end fixedly connected with magnet 13 of install bin 1.
An operating rod 14 is fixedly connected to the top of the sliding plate 8, the top end of the operating rod 14 penetrates through the L-shaped plate 7 and extends to the top of the L-shaped plate 7, and a control handle 15 is fixedly connected to one end, extending to the top of the L-shaped plate 7, of the operating rod 14.
The outer surface of the operating rod 14 is sleeved with an extension spring 16.
An iron block 17 is arranged on one side of the sliding plate 8 and on the opposite side of the two positioning grooves 5, and one side of the iron block 17 is in contact with the magnet 13;
the magnet 13 is magnetically attracted to the iron block 17 after contact.
The top of the controller 2 is hinged with a cover plate 18 through a hinge, and a blowing assembly 19 is arranged on the cover plate 18;
the blowing assembly 19 comprises a motor and fan blades, and the fan blades are driven to rotate by starting the motor to blow the surface of the controller, so that the dust removal effect is achieved;
the motor is connected with an external power supply and a control switch;
the blowing component 19 that sets up plays the effect of deashing, closes when the apron 18 on controller 2, starts the blowing component 19, can clear up the dust on controller 2 surface.
The blowing component adopts the prior art, only the dust on the controller needs to be cleaned,
the cover plate 18 is provided with a reflective strip 20, and one side of the controller 2 is provided with a heat dissipation hole 21;
the heat generated in the use process of the controller 2 is released through the arranged heat dissipation holes 21;
the arranged reflective strip 20 can identify and warn in the dark, and the controller 2 is prevented from being touched by mistake.
The utility model provides a construction elevator band-type brake control system's theory of operation as follows:
the first step is as follows: when the controller 2 is installed, firstly, the installation plate 3 and the connecting rod 12 on the controller 2 are simultaneously inserted into the installation box 1, so that the installation plate 3 enters the positioning groove 5, and after the magnet 13 at one end of the connecting rod 12 is contacted with the iron block 17, magnetic adsorption is carried out;
the second step is that: when the mounting plate 3 and the connecting rod 12 enter the mounting box 1, the moving plate 4 is simultaneously squeezed, so that the moving plate 4 slides leftwards on the inner wall of the mounting box 1, the squeezing spring 11 is further driven to compress, when the moving plate 4 slides leftwards and contacts a limiting block, at the moment, the clamping piece 10 and the clamping groove 6 in the mounting plate 3 are in the same vertical direction, the sliding plate 8 is pushed to slide on the L-shaped plate 7 under the resilience of the stretching spring 16 through releasing the control handle 15, the clamping piece 10 at the bottom of the sliding plate 8 is driven to move downwards until entering the clamping groove 6 in the mounting plate 3, and then fixed clamping is completed, and the mounting of the controller 2 is realized;
the third step: when the controller 2 is damaged and maintained, the controller needs to be disassembled, when the controller is disassembled, the control handle 15 is pulled to drive the sliding plate 8 to slide upwards, the stretching spring 16 is compressed to separate the clamping piece 10 from the clamping groove 6, the moving plate 4 is pushed to slide rightwards under the resilience of the extruding spring 11, the mounting plate 3 is pushed rightwards, the controller 2 is conveniently disassembled, and the magnet 13 on the connecting rod 12 is separated from the iron block 17 by pulling the controller 2 rightwards, so that the disassembly of the controller is completed;
the fourth step: when the controller 2 is used, the cover plate 18 is turned upwards for use, and after the use is finished, the cover plate 18 is pulled downwards, so that the cover plate 18 covers the operation surface of the controller 2 to play a role in protection.
Compared with the prior art, the utility model provides a construction elevator band-type brake control system has following beneficial effect:
this controller 2 has the function of making things convenient for the dismouting, need not to carry out the dismouting with the help of external appurtenance, easy operation, convenient to use, comparison labour saving and time saving for the speed of dismantling improves greatly, avoids influencing the normal work of lift, and through set up apron 18 on controller 2, plays the effect of protection, avoids external object to cause the damage to controller 2, and then is worth using widely.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.