CN211169389U - Braking force feedback automatic adjustment control system - Google Patents
Braking force feedback automatic adjustment control system Download PDFInfo
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- CN211169389U CN211169389U CN201922146740.7U CN201922146740U CN211169389U CN 211169389 U CN211169389 U CN 211169389U CN 201922146740 U CN201922146740 U CN 201922146740U CN 211169389 U CN211169389 U CN 211169389U
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- 238000011897 real-time detection Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of mine hoisting equipment antiskid rope swift current car protection device, concretely relates to braking force feedback automatic adjustment control system, install rotary encoder I in the lifting machine pivot, install rotary encoder II and angular acceleration sensor on the leading wheel of lifting machine, the lifting rope that is located lifting machine pivot both sides all passes from antiskid rope swift current car protection device, install position sensor in the frame of antiskid rope swift current car protection device, install displacement sensor on the manipulator of antiskid rope swift current car protection device, install pressure sensor I on the hydraulic circuit between antiskid rope swift current car protection device and the hydraulic pump station; a hydraulic loop of a disc brake braking system of the hoister is provided with a pressure sensor II, and a friction liner of a winch drum is provided with an infrared temperature sensor; the utility model discloses can detect and feed back braking force and braking effect at the braking in-process, real-time adjustment and control brake force to reach the purpose of accuracy, steady braking lifting rope.
Description
Technical Field
The utility model belongs to the technical field of mine hoisting equipment antiskid rope swift current car protection device, concretely relates to braking force feedback automatic adjustment control system.
Background
In a mine vertical shaft lifting system, an anti-slip rope and car sliding protection device is a final protection device for preventing slip rope and car sliding accidents of a friction lifting system and is an important component of safety protection of the friction lifting system. When the antiskid rope slide vehicle protection device carries out braking protection, accurate and constant buffering braking force is required to be generated, so that the lifting system is stably stopped at a certain deceleration.
In the braking process, factors such as the size of the lifting rope, the surface condition, the mechanical error and the like can cause the braking force to fluctuate, so that the braking force is inaccurate, and the braking process is unstable. At present, a control system of the anti-slip rope sliding protection device only has judging and executing functions, namely judging the state of the sliding rope sliding of the hoister and starting and stopping the action of the anti-slip rope sliding protection device. The braking force and the braking effect in the braking process cannot be detected and fed back, and the braking force cannot be adjusted and controlled in real time.
Disclosure of Invention
In order to overcome the shortcoming of the prior art, the utility model provides a braking force feedback automatic adjustment control system can detect and feed back braking force and braking effect at the braking in-process, adjusts and control braking force in real time to reach the purpose of accuracy, steady braking lifting rope.
The utility model discloses a braking force feedback automatic adjustment control system installs rotary encoder I in the lifting machine pivot, installs rotary encoder II and angular acceleration sensor on the leading wheel of lifting machine, and the lifting rope that lies in lifting machine pivot both sides all passes from anti-skidding rope swift current car protection device, install position sensor in anti-skidding rope swift current car protection device's the frame, install displacement sensor on anti-skidding rope swift current car protection device's the manipulator, install pressure sensor I on the hydraulic circuit between anti-skidding rope swift current car protection device and the hydraulic pump station, be equipped with pressure sensor II on the hydraulic circuit of the disc brake braking system of lifting machine, be equipped with infrared temperature sensor on the winch cylinder friction liner, rotary encoder I, rotary encoder II, angular acceleration sensor, position sensor, displacement sensor, pressure sensor I, pressure sensor II and infrared temperature sensor all with P L C programmable controller signal connection, P L C programmable controller still with the motor that controls the action of anti-skidding manipulator start and stop controller I, the motor that controls the card action in the manipulator stop controller, hydraulic pump station hydraulic pressure rope slide the brake controller II and the fault control alarm of starting the swift current car protection device.
The utility model also provides a control method of braking force feedback automatic adjustment control system adopts foretell braking force feedback automatic adjustment control system, and in the during operation, rotary encoder I and rotary encoder II convey the cylinder of the lifting machine that detects and the rotational speed parameter of leading wheel to P L C programmable controller, P L C programmable controller compares two rotational speeds:
when the rotating speed deviation of a roller and a guide wheel of the hoister is smaller than a set value, judging that the hoisting system operates normally, and stopping the antiskid rope sliding protection device;
when the deviation of the rotating speeds of the roller and the guide wheel of the elevator is larger than or equal to a set value, the condition that the elevator system slips is judged along with the fact that the temperature of the friction pad is obviously increased when the infrared temperature sensor detects that the temperature of the friction pad is obviously increased, or when the pressure sensor II detects that the pressure is close to 0, the rotating speeds of the roller and the guide wheel of the elevator detected by the rotary encoder I and the rotary encoder II continuously exist, and the condition that the elevator system slips is judged; at the moment, the antiskid rope sliding protection device needs to brake the lifting system;
when the P L C programmable controller judges that the anti-slip rope sliding protection device works abnormally, an alarm signal is sent to the fault alarm.
Further, when the antiskid rope sliding protection device brakes, the P L C programmable controller sends starting signals to the motor starting and stopping controller I and the motor starting and stopping controller II;
after the motor starting and stopping controller I receives a starting signal sent by the P L C programmable controller, the manipulator starts to act, the manipulator of the antiskid rope sliding vehicle protection device is translated and positioned in place, and when the P L C programmable controller receives a manipulator in-place signal sent by the position sensor, the P L C programmable controller sends a stopping signal to the motor starting and stopping controller I;
and after the motor start-stop controller II receives a start signal sent by the P L C programmable controller, a wedge in the manipulator is clamped and braked, a displacement sensor detects the descending distance of the wedge, a pressure sensor detects the pressure of a hydraulic loop and transmits a parameter signal to the P L C programmable controller in real time, the parameter signal is converted into real-time braking force data through the P L C programmable controller, meanwhile, the P L C programmable controller receives the parameter signal of an angular acceleration sensor in real time and compares the parameter signal with a set value range, when the parameter signal is in the set value range, the manipulator is judged to be normally braked, when the parameter signal is larger than the highest set value, the manipulator braking force is judged to be larger, the P L C programmable controller sends an opening signal to a hydraulic valve controller of a hydraulic pump station, so that the manipulator braking force is reduced, when the parameter signal is smaller than the lowest set value, the P L C programmable controller sends an opening signal to the motor start-stop controller II.
The utility model has the advantages that: when antiskid rope swift current car protection device brakies hoist system, the utility model discloses can carry out real-time detection, feedback to braking force and braking effect to according to calculation, analysis result, carry out real-time adjustment and control to the braking force, thereby make antiskid rope swift current car protection device continuously provide accurate, stable braking force, guarantee that hoist system can steadily brake, stop when the rope that slides appears, the swift current car condition.
Drawings
FIG. 1 is a diagram of the installation position of the sensor of the present invention in a lift system;
FIG. 2 is a diagram of the installation position of the sensor on the antiskid rope slide vehicle protection device of the present invention;
FIG. 3 is a block diagram of the control system of the present invention;
FIG. 4 is a control flow block diagram of the present invention;
in the figure 1, 1-1, rotary encoders I, 1-2, a hoister 1-3, a lifting rope 1-4, an anti-skid rope sliding vehicle protection device 1-5, an angular acceleration sensor 1-6, rotary encoders II, 1-7, guide wheels 1-8, a lifting container 1-9, a disc type brake braking system 1-10, pressure sensors II, 1-11, an infrared temperature sensor 2-1, a frame 2-2, a position sensor 2-3, a displacement sensor 2-4, a wedge 2-5, a manipulator 2-6, pressure sensors I, 2-7 and a hydraulic pump station.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As shown in figures 1 to 4, a brake force feedback automatic adjustment control system is characterized in that a rotating shaft of a lifting machine 1-2 is provided with a rotary encoder I1-1, the rotary encoder I1-1 is used for detecting the rotating speed of a roller of the lifting machine 1-2, a guide wheel 1-7 of the lifting machine 1-2 is provided with a rotary encoder II 1-6 and an angular acceleration sensor 1-5, the rotary encoder II 1-6 is used for detecting the rotating speed of the guide wheel 1-7, the angular acceleration sensor 1-5 is used for detecting the rotating angular acceleration of the guide wheel 1-7, so as to calculate the linear acceleration of the operation of a lifting rope 1-3, lifting ropes 1-3 positioned at two sides of the rotating shaft of the lifting machine 1-2 pass through an antiskid rope slide vehicle protection device 1-4, a lifting container 1-3 is connected with a lifting container 1-8, a rack 2-1 of the antiskid rope slide vehicle protection device 1-4 is provided with a position sensor 2-2, the position sensor 2-2 is arranged on the rack 2-1 of the antiskid rope slide vehicle protection device 1-4, the antiskid rope slide vehicle protection device 1-4 is provided with a hydraulic brake rope slide vehicle protection device, a hydraulic brake control system I2-2, a hydraulic brake control system is provided with an infrared sensor I2-2, a hydraulic brake control brake sensor, a hydraulic pressure sensor I2-6, a hydraulic pressure sensor, a hydraulic pressure controller I2-3, a hydraulic pressure sensor, a hydraulic pressure controller I2-3, a hydraulic pressure controller.
The utility model also provides a control method of braking force feedback automatic adjustment control system, as shown in fig. 3 and fig. 4, during operation, rotary encoder I1-1 and rotary encoder II 1-6 convey the cylinder of 1-2 of lifting machine that detects and the rotational speed parameter of leading wheel 1-7 to P L C programmable controller in, P L C programmable controller compares two rotational speeds:
when the rotating speed deviation between the roller of the elevator 1-2 and the guide wheel 1-7 is smaller than a set value, judging that the elevator system operates normally, and the antiskid rope sliding protection device 1-4 does not act;
when the deviation of the rotating speed of a roller of the elevator 1-2 and the rotating speed of a guide wheel 1-7 is larger than or equal to a set value, and the temperature of a friction pad is obviously increased along with the detection of the infrared temperature sensor 1-11, the condition that a lifting system slips is judged, or when the pressure sensor II 1-10 detects that the pressure is close to 0 (a disc brake is put into braking), but the rotating speeds of the roller of the elevator 1-2 and the guide wheel 1-7 detected by the rotary encoder I1-1 and the rotary encoder II 1-6 continuously exist, the condition that the lifting system slips is judged; at the moment, the antiskid rope sliding protection device 1-4 needs to brake the lifting system;
when the P L C programmable controller judges that the antiskid rope sliding protection device 1-4 works abnormally, an alarm signal is sent to the fault alarm.
When the antiskid rope sliding vehicle protection device 1-4 brakes, the P L C programmable controller sends starting signals to the motor starting and stopping controller I and the motor starting and stopping controller II;
after the motor starting and stopping controller I receives a starting signal sent by the P L C programmable controller, the manipulator 2-5 starts to act, the manipulator 2-5 of the antiskid rope sliding protection device 1-4 is translated and positioned in place, and when the P L C programmable controller receives a manipulator 2-5 in-place signal sent by the position sensor 2-2, the P L C programmable controller sends a stopping signal to the motor starting and stopping controller I;
after the motor starting and stopping controller II receives a starting signal sent by the P L C programmable controller, the clamping wedges 2-4 in the mechanical arm 2-5 are clamped and braked, the displacement sensors 2-3 detect the descending distance of the clamping wedges 2-4, the pressure sensors 2-6 detect the pressure of a hydraulic loop and transmit parameter signals to the P L C programmable controller in real time, the parameter signals are converted into real-time braking force data through the P L C programmable controller, meanwhile, the P L C programmable controller receives the parameter signals of the angular acceleration sensors 1-5 in real time and compares the parameter signals with a set value range, when the parameter signals are in the set value range, the mechanical arm 2-5 is judged to be normally braked, when the parameter signals are larger than the highest set value, the mechanical arm 2-5 is judged to be larger in braking force, the P L C programmable controller sends a starting signal to the hydraulic valve controllers of the hydraulic pump stations 2-7, the mechanical arm 2-5 is judged to be smaller in braking force, when the parameter signals are smaller than the lowest set value, the P L C programmable controller sends a starting signal to the motor stopping controller, and the.
Claims (1)
1. A braking force feedback automatic adjustment control system is characterized in that a rotating shaft of a lifting machine (1-2) is provided with a rotary encoder I (1-1), guide wheels (1-7) of the lifting machine (1-2) are provided with rotary encoders II (1-6) and angular acceleration sensors (1-5), lifting ropes (1-3) positioned on two sides of the rotating shaft of the lifting machine (1-2) penetrate through anti-slip rope slipping protection devices (1-4), a frame (2-1) of the anti-slip rope slipping protection devices (1-4) is provided with a position sensor (2-2), a manipulator (2-5) of the anti-slip rope slipping protection devices (1-4) is provided with a displacement sensor (2-3), a hydraulic loop between the anti-slip rope slipping protection devices (1-4) and a hydraulic pump station (2-7) is provided with a pressure sensor I (2-6), a hydraulic loop of a disc type braking system (1-9) of the lifting machine (1-2) is provided with a pressure sensor II (1-10), a hydraulic controller (3) of a hydraulic motor controller (3), a hydraulic controller (3) for controlling the temperature sensor I (1-2-6), a hydraulic controller (3) of a hydraulic controller (3) and a hydraulic controller (3) for controlling a hydraulic winch, a hydraulic controller for controlling a hydraulic motor, a hydraulic controller (3), a hydraulic controller (3) and a hydraulic controller for controlling a hydraulic motor, a hydraulic controller (3), a hydraulic controller for controlling a hydraulic controller (3), a hydraulic controller for controlling a hydraulic winch, a hydraulic motor, a hydraulic controller (3), a hydraulic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922146740.7U CN211169389U (en) | 2019-12-04 | 2019-12-04 | Braking force feedback automatic adjustment control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922146740.7U CN211169389U (en) | 2019-12-04 | 2019-12-04 | Braking force feedback automatic adjustment control system |
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| CN211169389U true CN211169389U (en) | 2020-08-04 |
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| CN201922146740.7U Active CN211169389U (en) | 2019-12-04 | 2019-12-04 | Braking force feedback automatic adjustment control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110817642A (en) * | 2019-12-04 | 2020-02-21 | 徐州市工大三森科技有限公司 | A braking force feedback automatic adjustment control system and control method |
| CN113447254A (en) * | 2021-06-29 | 2021-09-28 | 江苏师范大学 | Brake monitoring device and method for closed-loop steel wire rope lifting system |
-
2019
- 2019-12-04 CN CN201922146740.7U patent/CN211169389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110817642A (en) * | 2019-12-04 | 2020-02-21 | 徐州市工大三森科技有限公司 | A braking force feedback automatic adjustment control system and control method |
| CN113447254A (en) * | 2021-06-29 | 2021-09-28 | 江苏师范大学 | Brake monitoring device and method for closed-loop steel wire rope lifting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XUZHOU SANSEN WEIER MINE TECHNOLOGY Co.,Ltd. Assignor: XUZHOU SUNSHINE SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2021980016473 Denomination of utility model: A braking force feedback automatic adjustment control system Granted publication date: 20200804 License type: Exclusive License Record date: 20220107 |
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| EE01 | Entry into force of recordation of patent licensing contract |