CN115402893A - Motor band-type brake control system of construction elevator - Google Patents
Motor band-type brake control system of construction elevator Download PDFInfo
- Publication number
- CN115402893A CN115402893A CN202211104200.2A CN202211104200A CN115402893A CN 115402893 A CN115402893 A CN 115402893A CN 202211104200 A CN202211104200 A CN 202211104200A CN 115402893 A CN115402893 A CN 115402893A
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- China
- Prior art keywords
- motor
- brake
- control system
- brake pad
- band
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a motor internal contracting brake control system of a construction elevator, and relates to the technical field of construction elevators. This construction elevator's motor band-type brake control system, including electrical power generating system and control system, control system's output electric connection has elevator motor and band-type brake motor, elevator motor's output is provided with motor shaft, band-type brake motor's output electric connection has direct current brake, direct current brake's output electric connection has solenoid, solenoid's output is connected with the brake block. When the frequency converter reports faults, the manual shutdown or the input alternating current main power failure occurs, namely, when a power supply system is damaged, the lifting motor stops driving action on the motor rotating shaft, the band-type brake motor stops current transmission of the direct current brake to the electromagnetic coil, the brake pad is not adsorbed by electromagnetic force, and the brake pad locks the motor rotating shaft under the extrusion of the spring force of the spring so that the motor rotating shaft does not operate any more.
Description
Technical Field
The invention relates to the technical field of construction elevators, in particular to a motor internal contracting brake control system of a construction elevator.
Background
Construction elevators are generally referred to as construction elevators, but construction elevators comprise a broader definition and construction platforms also belong to the construction elevator series. The simple construction elevator consists of a lift car, a driving mechanism, a standard section, an attached wall, a chassis, a fence, an electrical system and the like, is a manned freight construction machine frequently used in buildings, is comfortable and safe to ride due to a unique box body structure, is usually matched with a tower crane on a construction site, generally has the carrying capacity of 0.3-3.6 tons and has the running speed of 1-96M/min.
In the operation process of the construction elevator, when the condition that a frequency converter reports faults, is manually stopped or inputs alternating current main power failure occurs, the construction elevator needs to be stopped in time, namely, a motor needs to stop rotating, so that the rotation is avoided, and the danger is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a motor brake control system of a construction elevator, which solves the problem that a motor rotating shaft of a motor cannot be locked at the moment when a frequency converter reports a fault, is manually stopped or is input with alternating current main power failure.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a motor band-type brake control system of construction elevator, includes electrical power generating system and control system, control system's output electric connection has elevator motor and band-type brake motor, elevator motor's output is provided with motor shaft, band-type brake motor's output electric connection has direct current brake, direct current brake's output electric connection has solenoid, solenoid's output is connected with the brake block.
Preferably, the output end of the power supply system is electrically connected with the input end of the control system.
Preferably, the control system transmits the power of the power supply system to the lifting motor and the band-type brake motor.
Preferably, the electromagnetic coil is connected with the brake pad through magnetic force.
Preferably, the brake pad is connected with the motor rotating shaft through the elastic force of a spring.
Preferably, the brake pad is divided into two states of brake pad attraction and brake pad separation, the brake pad attraction extrudes the brake pad through spring force, and then the motor rotating shaft is locked; the brake pad separation realizes the separation of the brake pad and the motor rotating shaft by adsorbing the brake pad through electromagnetic force, and then releases the motor rotating shaft.
Preferably, during the separation process of the brake pad, the electromagnetic force is greater than the spring force.
The working principle is as follows: the power supply system is the power source of the lifting motor and the band-type brake motor, and the lifting motor drives the rotating shaft of the motor to rotate, so that the normal operation of the construction elevator is realized. Under normal conditions, the lifting motor and the band-type brake motor normally supply power through a power supply system, the motor rotating shaft normally operates, the band-type brake motor transmits current to the electromagnetic coil through the direct current brake, and the brake pad is subjected to the adsorption action of electromagnetic force (the electromagnetic force is greater than spring force, and the description about the spring force is described in detail below), so that the brake pad is separated from the motor rotating shaft, the motor rotating shaft is released, and the motor rotating shaft normally operates;
when the condition that a frequency converter reports faults, is manually stopped or inputs alternating current main power failure, namely a power supply system is damaged, at the moment, the lifting motor stops driving action on the motor rotating shaft, the band-type brake motor simultaneously stops current transmission of the direct current brake to the electromagnetic coil, no current flows through the electromagnetic coil, the brake pad is not subjected to the adsorption action of electromagnetic force, and the brake pad locks the motor rotating shaft under the extrusion of the spring force of the spring so that the motor rotating shaft does not run any more and the safety in the construction process is improved.
(III) advantageous effects
The invention provides a motor internal contracting brake control system of a construction elevator. The method has the following beneficial effects:
the brake pad is divided into two states of brake pad actuation and brake pad separation, the brake pad actuation extrudes the brake pad through spring force, and then the motor rotating shaft is locked, so that the motor rotating shaft does not run any more, and the safety of the frequency converter under the conditions of failure reporting, manual shutdown or input of alternating current main power failure is improved; the brake pad is separated through electromagnetic force, at the moment, the electromagnetic force is larger than spring force, the brake pad is separated from the motor rotating shaft, then the motor rotating shaft is released, and the motor rotating shaft operates normally.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of the connection between the brake pad and the motor shaft according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, an embodiment of the present invention provides a motor brake control system of a construction elevator, including a power supply system and a control system, an output end of the power supply system is electrically connected to an input end of the control system, an output end of the control system is electrically connected to a lifting motor and a brake motor, the control system transmits electric power of the power supply system to the lifting motor and the brake motor, an output end of the lifting motor is provided with a motor rotating shaft, an output end of the brake motor is electrically connected to a dc brake, an output end of the dc brake is electrically connected to an electromagnetic coil, and an output end of the electromagnetic coil is connected to a brake pad.
The power supply system is the power source of the lifting motor and the band-type brake motor, and the lifting motor drives the rotating shaft of the motor to rotate, so that the normal operation of the construction elevator is realized. When the frequency converter reports faults, the manual shutdown or the input alternating current main power failure occurs, namely, when the power supply system is damaged, at the moment, the lifting motor stops driving the motor rotating shaft, the band-type brake motor simultaneously stops current transmission of the direct current brake to the electromagnetic coil, and the brake pad locks the motor rotating shaft, so that the motor rotating shaft does not operate any more.
Example two:
as shown in fig. 1-2, an embodiment of the present invention provides a motor brake control system of a construction elevator, including a power supply system and a control system, an output end of the power supply system is electrically connected to an input end of the control system, an output end of the control system is electrically connected to a lifting motor and a brake motor, the control system transmits electric power of the power supply system to the lifting motor and the brake motor, an output end of the lifting motor is provided with a motor rotating shaft, an output end of the brake motor is electrically connected to a dc brake, an output end of the dc brake is electrically connected to an electromagnetic coil, an output end of the electromagnetic coil is connected to a brake pad, the electromagnetic coil is connected to the brake pad through magnetic force, and the brake pad is connected to the motor rotating shaft through elastic force of a spring; the brake pad is divided into two states of brake pad attraction and brake pad separation, the brake pad attraction extrudes the brake pad through spring force, and further the motor rotating shaft is locked, so that the motor rotating shaft does not operate any more; the brake pad is separated through the electromagnetic force to adsorb the brake pad, and at the moment, the electromagnetic force is greater than the spring force, realizes the separation of brake pad and motor shaft, and then releases motor shaft, and motor shaft normal operating.
The power supply system is the power source of the lifting motor and the band-type brake motor, and the lifting motor drives the rotating shaft of the motor to rotate, so that the normal operation of the construction elevator is realized. Under normal conditions, the lifting motor and the band-type brake motor normally supply power to the lifting motor and the band-type brake motor through a power supply system, the rotating shaft of the motor normally operates, the band-type brake motor transmits current to the electromagnetic coil through the direct current brake, and the brake pad is subjected to the adsorption action of electromagnetic force (the electromagnetic force is greater than the spring force, and the description about the spring force is described in detail below), so that the brake pad is separated from the rotating shaft of the motor, the rotating shaft of the motor is released, and the rotating shaft of the motor normally operates;
when the condition that a frequency converter reports faults, is manually stopped or inputs alternating current main power failure, namely a power supply system is damaged, at the moment, the lifting motor stops driving action on the motor rotating shaft, the band-type brake motor simultaneously stops current transmission of the direct current brake to the electromagnetic coil, no current flows through the electromagnetic coil, the brake pad is not subjected to the adsorption action of electromagnetic force, and the brake pad locks the motor rotating shaft under the extrusion of the spring force of the spring so that the motor rotating shaft does not run any more and the safety in the construction process is improved.
In summary, the difference between the second embodiment and the first embodiment is: the motor shaft is locked by pressing the brake pad through the spring force of the spring, so that the motor shaft is locked, under the normal condition, the brake pad is under the adsorption action of electromagnetic force, at the moment, the electromagnetic force is greater than the spring force, the brake pad is separated from the motor shaft, so that the motor shaft is released, and the motor shaft operates normally.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a construction elevator's motor band-type brake control system, includes electrical power generating system and control system, its characterized in that: the brake control system comprises a control system and is characterized in that the output end of the control system is electrically connected with a lifting motor and a band-type brake motor, the output end of the lifting motor is provided with a motor rotating shaft, the output end of the band-type brake motor is electrically connected with a direct current brake, the output end of the direct current brake is electrically connected with an electromagnetic coil, and the output end of the electromagnetic coil is connected with a brake pad.
2. The motor brake control system of a construction elevator according to claim 1, characterized in that: the output end of the power supply system is electrically connected with the input end of the control system.
3. The motor band-type brake control system of the construction hoist as claimed in claim 2, wherein: and the control system transmits the electric power of the power supply system to the lifting motor and the band-type brake motor.
4. The motor brake control system of a construction elevator according to claim 1, wherein: the electromagnetic coil is connected with the brake pad through magnetic force.
5. The motor brake control system of a construction elevator according to claim 1, wherein: the brake block is connected with the motor rotating shaft through the elasticity of the spring.
6. The motor brake control system of a construction elevator according to claim 1, wherein: the brake pad is divided into two states of brake pad attraction and brake pad separation, the brake pad attraction extrudes the brake pad through spring force, and then the motor rotating shaft is locked; the brake pad separation adsorbs the brake pad through electromagnetic force, realizes brake pad and motor shaft separation, and then releases the motor shaft.
7. The motor brake control system of a construction elevator according to claim 6, wherein: and in the process of separating the brake pad, the electromagnetic force is greater than the spring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211104200.2A CN115402893A (en) | 2022-09-09 | 2022-09-09 | Motor band-type brake control system of construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211104200.2A CN115402893A (en) | 2022-09-09 | 2022-09-09 | Motor band-type brake control system of construction elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115402893A true CN115402893A (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211104200.2A Pending CN115402893A (en) | 2022-09-09 | 2022-09-09 | Motor band-type brake control system of construction elevator |
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| Country | Link |
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| CN (1) | CN115402893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117713443A (en) * | 2023-12-26 | 2024-03-15 | 北京天创金农科技有限公司 | Intelligent electric transport vehicle lifting motor and lifting assembly thereof |
-
2022
- 2022-09-09 CN CN202211104200.2A patent/CN115402893A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117713443A (en) * | 2023-12-26 | 2024-03-15 | 北京天创金农科技有限公司 | Intelligent electric transport vehicle lifting motor and lifting assembly thereof |
| CN117713443B (en) * | 2023-12-26 | 2024-05-07 | 北京天创金农科技有限公司 | Intelligent electric transport vehicle lifting motor and lifting assembly thereof |
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