CN217024965U - Novel full-automatic control safety protection system of mine winder - Google Patents
Novel full-automatic control safety protection system of mine winder Download PDFInfo
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- CN217024965U CN217024965U CN202220597038.1U CN202220597038U CN217024965U CN 217024965 U CN217024965 U CN 217024965U CN 202220597038 U CN202220597038 U CN 202220597038U CN 217024965 U CN217024965 U CN 217024965U
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Abstract
A novel full-automatic control safety protection system for a mine hoist comprises a bearing cover on a friction wheel bearing seat and a flange shaft on the end face of a main shaft of a friction wheel; the top end of the flange shaft is provided with a distribution gear, the distribution gear is provided with a bearing sleeve cup A and a bearing sleeve cup B, the bearing sleeve cup A and the bearing sleeve cup B are positioned on two sides of the separation gear, and the incremental encoder is positioned above the bearing sleeve cup A and is connected with the bearing sleeve cup A through a solid shaft; a speed measuring and encoder integrated machine is arranged above the bearing sleeve cup B; the bearing cover is a hollow barrel-shaped structure, the reverse buckle is installed on the main shaft of the friction wheel, two holes are formed in the bearing cover, the upper end of the bearing sleeve cup penetrates through the holes in the bearing cover, a folded edge is arranged along the edge of the upper end of the bearing sleeve cup, a threaded hole is formed in the folded edge, and the folded edge of the bearing sleeve cup is fixed on the bearing cover through a bolt. The utility model effectively improves the reaction time and efficiency of mine safety protection by intelligently controlling and arranging the encoder on the aspect of adjusting the braking of the braking system and the power of the motor of the electric control system.
Description
Technical Field
The present case relates to the mine winder field, especially a novel full automatic control safety protection system of mine winder.
Background
The mine hoist comprises a working mechanism, a braking system, a mechanical transmission device, a lubricating system, a detection and control system, a dragging control and automatic protection system and an auxiliary part; the brake system comprises a brake control actuator, a hydraulic station and a brake control device; the detection and control system comprises a control console, a depth indicator, a transmission device and a speed measuring motor device; the dragging control and automatic protection system comprises a main motor, an electric control system, an automatic protection system and a signal system; the working mechanism comprises a main shaft device on the friction wheel and a main bearing; the mine hoist realizes the over-running stall safety protection in the work of the mine hoist through a safety protection system formed by mutual diffraction and cooperation of a braking system, a detection and control system and a dragging control and automatic protection system. The method comprises the steps of firstly, effectively measuring the position and the running speed of a lifting container of the elevator in a shaft in the working process of the elevator by means of a depth indicator and a speed measuring motor of a detection and operation system, timely and automatically controlling a braking system to perform safety braking through an electric signal when the elevator approaches a wellhead and is in a deceleration stage, even when the elevator is in overwinding stall, and simultaneously, manually operating the electric control system to adjust the power of a main motor to realize the overspeed protection of the mine elevator.
However, the traditional mine hoist control and safety protection system adopts a mode that a measuring mechanism device formed by combining a mechanical measuring structure with an electrical signal device sends out an electrical signal to carry out safety brake control, and the measuring mechanism device adopting the mechanical measuring structure has the defects of obvious slow response, poor precision, heavy weight and large volume of equipment and larger occupied space. With the development of scientific and technical progress and digital technology, the safety protection device has the advantages of small size, high precision, quick response, capability of finding stall when the mine hoist runs and realizing real-time automatic braking limitation on the rotating speed of a main shaft of a mechanical transmission system of the hoist when overspeed protection is needed, and real-time automatic limitation on the power of a power output motor, and realization of safety protection when the hoist runs at overspeed in various automatic modes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, provides a safety protection device which has small volume, high precision and quick response, can find stall when a mine hoist runs, can automatically limit the rotating speed of a main shaft of a mechanical transmission system of the hoist in real time when overspeed protection is needed, can automatically limit the power of a power output motor in real time, and can realize safety protection when the hoist runs at overspeed in various automatic modes.
The technical scheme adopted by the utility model is as follows: a novel full-automatic control safety protection system for a mine hoist comprises a bearing cover arranged on a friction wheel bearing seat and a flange shaft arranged on the end face of a main shaft of a friction wheel; the top end of the flange shaft is provided with a distribution gear, the distribution gear is provided with a bearing sleeve cup A and a bearing sleeve cup B, the two are positioned at two sides of the separation gear and are fixed in distance, and the incremental encoder is positioned above the bearing sleeve cup A and is connected with the bearing sleeve cup A through a solid shaft; the other end of the bearing sleeve cup B, which is far away from the surface of the separating gear, is provided with a speed measuring and encoder integrated machine; the bearing cover is a hollow barrel-shaped structure, the back-off is installed on a main shaft of the friction wheel, two holes are formed in the bearing cover, the size and the position of each hole correspond to those of two bearing sleeve cups on the separating gear, the upper end of each bearing sleeve cup penetrates through the hole in the bearing cover, a folding edge is arranged along the edge of the upper end of each bearing sleeve cup, a plurality of threaded holes are formed in the folding edge, and the folding edge of each bearing sleeve cup is fixed on the bearing cover through bolts.
The square cylinder of the incremental encoder is divided into an upper square cylinder and a lower square cylinder, and the upper square cylinder and the lower square cylinder are hollow shaft structures which are hollow along an axial lead.
The bearing sleeve cup A and the bearing sleeve cup B are cylindrical bodies, and hollow shaft structures are arranged inside the bearing sleeve cup A and the bearing sleeve cup B along the axial lead.
One end of the solid shaft is inserted into and fixed with the hollow shaft structures of the upper and lower square cylinders of the incremental encoder, and the other end of the solid shaft is inserted into and fixed with the hollow shaft structure of the bearing sleeve cup A; a space is arranged between an upper square column body and a lower square column body of the incremental encoder, and the incremental encoder is sleeved on a solid shaft connected between the two square column bodies through a nut so as to limit the space between the upper square column body and the lower square column body; one side of the lower column body of the two square column bodies of the incremental encoder is provided with a columnar bulge.
The shaft axis of the solid shaft is also the shaft axis of the bearing sleeve cup and the incremental encoder, the shaft axis of the solid shaft is superposed with the shaft axis of the flange shaft, and the shaft axis of the flange shaft is superposed with the shaft axis of the friction wheel main shaft.
The outer diameter of one end of the hollow shaft structure of the solid shaft inserted into the bearing sleeve cup is larger than the outer diameter of the other center of the solid shaft inserted into the hollow shaft structure of the incremental encoder.
The speed measuring and encoder all-in-one machine is a cylindrical body, a cylindrical inserting shaft is installed on the end face below the speed measuring and encoder all-in-one machine, and the other end of the inserting shaft is inserted into and fixed in the hollow shaft structure of the bearing sleeve cup B.
The incremental encoder and the speed measuring encoder all-in-one machine are connected with two data lines through a common port, and one data line is connected with a motor control system; the other is connected with a hydraulic station and a brake control system.
In operation, this kind of novel mine hoist is with full automatic control safety protection system, including increment type encoder, the encoder all-in-one that tests the speed, bearing sleeve cup, solid shaft structure, separation gear etc, both lower extremes of increment type encoder and the encoder all-in-one that tests the speed utilize shaft structure and bearing sleeve cup to articulate, and bearing sleeve cup installs the both sides at separation gear, wherein increment type encoder and bearing sleeve cup first axial lead and friction pulley main shaft axial lead coincidence, along with the spin of friction pulley main shaft, bearing sleeve cup first that increment type encoder and increment type encoder lower extreme are connected also follows spin, increment type encoder is equipped with speed sensor, can measure the linear velocity when the friction pulley main shaft spins, and have the formula to calculate the main shaft spin number through in the procedure promptly.
The speed measuring and coder all-in-one machine and the bearing sleeve cup B connected with the lower end of the speed measuring and coder all-in-one machine are arranged on the other side of the separating gear, and the speed measuring and coder all-in-one machine connected with the upper end of the bearing sleeve cup B and the shaft axis of the friction wheel main shaft make circular motion together along with the self-rotation of the friction wheel main shaft to drive the separating gear and the bearing sleeve cup B on the other end of the separating gear. The fixed interval is set between the axle center of speed measurement encoder all-in-one and the axle center of incremental encoder, be provided with the speed sensor on the speed measurement encoder all-in-one, along with friction wheel main shaft spin, the speed measurement encoder all-in-one is rotatory around friction wheel main shaft axial lead, the linear velocity of operation circumference is calculated simultaneously to the speed sensor on the speed measurement encoder all-in-one, combine the fixed interval of setting for between speed measurement encoder all-in-one and the incremental encoder, the integrative chance of speed measurement encoder has the formula to calculate friction wheel main shaft spin number of turns in the automatic procedure promptly.
The integrated incremental encoder and the speed measuring encoder have a common CPU core computing unit and a common data output port, two data lines are connected to the ports, one data line is an analog signal line and is connected with an electrical control system, and the power output of the motor can be controlled in real time through the electrical control system; the other one is a digital signal line connected with a brake control device, and the brake is controlled by the brake control device to brake the friction wheel spindle.
Therefore, when the mine hoist is close to a wellhead in operation, in a deceleration stage and even in overwinding stall, the electric signal transmitted through the data line can automatically control the brake control device to control the brake to brake the main shaft of the friction wheel, and meanwhile, the electric control system is used for controlling the power output of the motor in real time to realize the overspeed protection of the mine hoist, so that the effect of double-pipe arrangement is achieved.
One end of the solid shaft is inserted into and fixed to hollow shaft structures of an upper square cylinder and a lower square cylinder of the incremental encoder, and the other end of the solid shaft is inserted into and fixed to a hollow shaft structure of the bearing sleeve cup A; a space is arranged between an upper square column body and a lower square column body of the incremental encoder, and the incremental encoder is sleeved on a solid shaft connected between the two square column bodies through a nut so as to limit the space between the upper square column body and the lower square column body; one side of the lower cylinder in the two square cylinders of the incremental encoder is provided with a columnar protrusion, and the columnar protrusion is a speed measuring device arranged on the incremental encoder.
The utility model has the beneficial effects that: a novel full-automatic control safety protection system for a mine hoist can simultaneously realize intelligent full-automatic control operation on a brake control device, an electrical control system and motor power when the mine hoist is close to a well head in the middle of operation, in a deceleration stage and even in overwinding stall, thereby effectively improving the reaction time and efficiency of mine safety protection; the intelligent signal comparison and feedback of the incremental encoder and the speed measurement and coding all-in-one machine of the system per se are realized on the output control of the gate control system and the electric system on the permanent magnet direct drive motor, so that the running condition of the lifting equipment is more effectively monitored in real time, the maximum safety guarantee can be effectively realized by the minimum friction loss of the braking system and the minimum power loss of the electric control motor, and the service lives of the mine braking system and the electric control system motor are indirectly prolonged.
Drawings
FIG. 1 is a cross-sectional view of a novel fully automatic control and safety protection system for a mine hoist;
FIG. 2 is a top view of a novel fully automatic control and safety protection system for a mine hoist;
as shown in the figure:
1 an incremental encoder; 2, a speed measuring and encoder integrated machine; 3, a bearing sleeve cup B; 4, sleeving a cup A on a bearing; 5 a solid shaft; 6, separating the gear; 7, a flange shaft; 8, a friction wheel main shaft; 9 bearing cover.
Detailed Description
A novel full-automatic control safety protection system of a mine hoist is arranged on a main shaft of a friction wheel of the mine hoist and comprises a bearing cover 9 arranged on a bearing seat of the friction wheel and a flange shaft 7 arranged on the end surface of a main shaft 8 of the friction wheel, wherein the top end of the flange shaft 7 is sleeved with a distribution gear 6, two bearing sleeve cups, namely a bearing sleeve cup A4 and a bearing sleeve cup B3, are arranged on the distribution gear 6 and are respectively positioned on two sides of a separation gear 6, the distance between the two bearing sleeve cups is fixed, the bearing sleeve cup A4 is connected with an incremental encoder 1 through a solid shaft 5, and the incremental encoder 1 is positioned above the bearing sleeve cup A4; the other end of the bearing sleeve cup B3, which is far away from the surface of the separating gear 6, is provided with a speed measuring and encoder integrated machine 2; the bearing cover 9 is a hollow barrel-shaped structure, the back-off is installed on the friction wheel main shaft 8, two holes are formed in the bearing cover 9, the size and the position of each hole correspond to those of two bearing sleeve cups on the separating gear, the upper ends of the bearing sleeve cups penetrate through the holes in the bearing cover, folded edges are arranged along the edges of the bearing sleeve cups, a plurality of threaded holes are formed in the folded edges, and the folded edges of the bearing sleeve cups are fixed on the bearing cover 9 through bolts.
The square cylinder of the incremental encoder 1 is divided into an upper square cylinder and a lower square cylinder, and the upper square cylinder and the lower square cylinder are hollow shaft structures along the axial lead.
The bearing sleeve cup A4 and the bearing sleeve cup B3 are both cylindrical bodies, and hollow shaft structures are arranged inside the bearing sleeve cup A and the bearing sleeve cup B along the axial lead.
One end of the solid shaft 5 is inserted into and fixed to hollow shaft structures of an upper square cylinder and a lower square cylinder of the incremental encoder 1, and the other end of the solid shaft is inserted into and fixed to a hollow shaft structure of the bearing sleeve cup 4; an interval is arranged between an upper square column body and a lower square column body of the incremental encoder 1, and the incremental encoder is sleeved on a solid shaft connected between the two square column bodies through a nut so as to limit the interval between the upper square column body and the lower square column body; one side of the lower column body of the two square column bodies of the incremental encoder 1 is provided with a columnar protrusion.
The axis of the solid shaft 5 is also the axis of the bearing sleeve cup 4 and the incremental encoder 1, the axis of the solid shaft 5 is coincident with the axis of the flange shaft 7, and the axis of the flange shaft 7 is coincident with the axis of the friction wheel main shaft 8.
The outer diameter of one end of the hollow shaft structure, which is inserted into the bearing sleeve cup shell 4, of the solid shaft 5 is larger than the outer diameter of the other end of the solid shaft, which is inserted into the hollow shaft structure of the incremental encoder 1.
The speed measuring and encoder all-in-one machine 2 is a cylindrical body, a cylindrical inserting shaft is installed on the end face of the lower portion of the speed measuring and encoder all-in-one machine, and the other end of the inserting shaft is inserted into and fixed to the hollow shaft structure of the bearing sleeve cup B3.
The incremental encoder 1 and the speed measurement encoder all-in-one machine 2 are connected with two data lines through a common port, and one data line is connected with a motor control system; the other is connected with a hydraulic station and a brake control system.
In operation, this kind of novel full automatic control safety protection system of mine winder, including increment type encoder 1, speed measuring encoder all-in-one 2, the bearing retainer cup, solid shaft 5 structure, separating gear 6 etc, both lower extremes of increment type encoder 1 and speed measuring encoder all-in-one 2 utilize the axle construction to articulate with the bearing retainer cup, and the bearing retainer cup is installed on the both sides of separating gear 6, wherein the axial lead of increment type encoder 1 and bearing retainer cup first and 8 axial leads coincidence of friction pulley main shaft, along with the spin of friction pulley main shaft 8, bearing retainer cup first 4 of increment type encoder 1 and 1 lower extreme of increment type encoder derivation also follows spin, increment type encoder 1 is equipped with speed measuring device, can measure the linear velocity when friction pulley main shaft 8 spins, and have the formula to calculate the spin number of friction pulley main shaft 8 through being in the procedure promptly.
The speed measuring encoder all-in-one machine 2 and the bearing sleeve cup B3 connected with the lower end of the speed measuring encoder all-in-one machine are arranged on the other side of the separating gear 6, and the speed measuring encoder all-in-one machine 2 connected with the upper end of the bearing sleeve cup B3 and the separating gear 6 are driven by the self-rotation of the friction wheel main shaft 8 to do circular motion around the axis line of the friction wheel main shaft 8 together with the bearing sleeve cup B3 on the other end of the separating gear 6. Set for the fixed spacing between the axle center of speed measurement encoder all-in-one 2 and the axle center of incremental encoder 1, be provided with speed sensor on the speed measurement encoder all-in-one 2, along with 8 spin of friction pulley main shaft, speed measurement encoder all-in-one 2 is rotatory around 8 axial leads of friction pulley main shaft, the linear velocity of operation circumference is calculated simultaneously to the speed sensor on the speed measurement encoder all-in-one 2, combine the fixed spacing who sets for between speed measurement encoder all-in-one 2 and the incremental encoder 1, speed measurement encoder all-in-one 2 can have the formula to calculate the 8 spin number of turns of friction pulley main shaft automatically through in the procedure promptly.
The incremental encoder 1 and the speed measurement encoder all-in-one machine 2 are provided with connected data lines, the rotating speeds of the friction wheel main shaft 8 calculated by the incremental encoder 1 and the speed measurement encoder all-in-one machine 2 are compared and calculated respectively, so that the accuracy of the measured numerical value base number is ensured, the incremental encoder 1 and the speed measurement encoder all-in-one machine 2 are provided with a common CPU core calculation unit and a common data output port, two data lines are connected to the ports, one data line is an analog signal line and is connected with an electrical control system, and the power output of the motor can be controlled in real time through the electrical control system; the other is a digital signal wire which is connected with a brake control device, and the brake is operated by the brake control device to brake the main shaft 8 of the friction wheel.
Therefore, when the mine hoist is close to a well head in the operation process, in a deceleration stage and even in overwinding stall, the brake is automatically controlled by the electric signal transmitted through the data line to control the brake to brake the friction wheel main shaft 8, and meanwhile, the power output of the motor is controlled in real time through the electric control system to realize the overspeed protection of the mine hoist, so that the effect of double-pipe arrangement is achieved.
A novel full-automatic control safety protection system for a mine hoist can simultaneously realize intelligent full-automatic control operation on a brake control device, an electrical control system and motor power when the mine hoist is close to a well head in the middle of operation, in a deceleration stage and even in overwinding stall, thereby effectively improving the reaction time and efficiency of mine safety protection; the intelligent signal comparison and feedback of the incremental encoder and the speed measurement and coding all-in-one machine of the system per se are realized on the output control of the gate control system and the electric system on the permanent magnet direct drive motor, so that the running condition of the lifting equipment is more effectively monitored in real time, the maximum safety guarantee can be effectively realized by the minimum friction loss of the braking system and the minimum power loss of the electric control motor, and the service lives of the mine braking system and the electric control system motor are indirectly prolonged.
Claims (8)
1. The utility model provides a novel full automatic control safety protection system of mine winder which characterized in that: the flange shaft is arranged on the end face of the main shaft; the top end of the flange shaft is provided with a distribution gear, the distribution gear is provided with a bearing sleeve cup A and a bearing sleeve cup B, the two bearing sleeve cups are positioned on two sides of the separation gear and are fixed in distance, and the incremental encoder is positioned above the bearing sleeve cup A and is connected with the bearing sleeve cup A through a solid shaft; the other end of the bearing sleeve cup B, which is far away from the surface of the separating gear, is provided with a speed measuring and coder integrated machine; the bearing cover is a hollow barrel-shaped structure, the back-off is installed on a main shaft of the friction wheel, two holes are formed in the bearing cover, the size and the position of each hole correspond to those of two bearing sleeve cups on the separating gear, the upper end of each bearing sleeve cup penetrates through the hole in the bearing cover, a folding edge is arranged along the edge of the upper end of each bearing sleeve cup, a plurality of threaded holes are formed in the folding edge, and the folding edge of each bearing sleeve cup is fixed on the bearing cover through bolts.
2. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, characterized in that: the square column body of the incremental encoder is divided into an upper square column body and a lower square column body, and the upper square column body and the lower square column body are hollow shaft structures which are hollow along the axial lead.
3. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, characterized in that: the bearing sleeve cup A and the bearing sleeve cup B are both cylindrical bodies, and hollow shaft structures are arranged inside the bearing sleeve cup A and the bearing sleeve cup B along the axial lead.
4. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, wherein: one end of the solid shaft is inserted into and fixed with the hollow shaft structures of the upper and lower square cylinders of the incremental encoder, and the other end of the solid shaft is inserted into and fixed with the hollow shaft structure of the bearing sleeve cup A; an interval is arranged between an upper square column body and a lower square column body of the incremental encoder, and the incremental encoder is sleeved on a solid shaft connected between the two square column bodies through nuts so as to limit the interval between the upper square column body and the lower square column body; one side of the lower column body of the two square column bodies of the incremental encoder is provided with a columnar protrusion.
5. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, characterized in that: the axis of the solid shaft is also the axis of the bearing sleeve cup and the incremental encoder, the axis of the solid shaft is superposed with the axis of the flange shaft, and the axis of the flange shaft is superposed with the axis of the main shaft of the friction wheel.
6. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, wherein: the outer diameter of one end of the hollow shaft structure, which is inserted into the bearing sleeve cup A by the solid shaft, is larger than the outer diameter of the other end of the solid shaft structure, which is inserted into the hollow shaft structure of the incremental encoder.
7. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, wherein: the speed measuring and encoder all-in-one machine is a cylindrical body, a cylindrical inserting shaft is installed on the end face of the lower portion of the speed measuring and encoder all-in-one machine, and the other end of the inserting shaft is inserted into and fixed to the hollow shaft structure of the bearing sleeve cup B.
8. The novel full-automatic control safety protection system for the mine hoist as claimed in claim 1, characterized in that: the incremental encoder and the speed measuring encoder all-in-one machine are connected with two data lines through a common port, and one data line is connected with a motor control system; the other is connected with a hydraulic station and a brake control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220597038.1U CN217024965U (en) | 2022-03-18 | 2022-03-18 | Novel full-automatic control safety protection system of mine winder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220597038.1U CN217024965U (en) | 2022-03-18 | 2022-03-18 | Novel full-automatic control safety protection system of mine winder |
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| Publication Number | Publication Date |
|---|---|
| CN217024965U true CN217024965U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220597038.1U Active CN217024965U (en) | 2022-03-18 | 2022-03-18 | Novel full-automatic control safety protection system of mine winder |
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| CN (1) | CN217024965U (en) |
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- 2022-03-18 CN CN202220597038.1U patent/CN217024965U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new automatic control safety protection system for mine hoist Effective date of registration: 20221122 Granted publication date: 20220722 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: CIC LUOYANG HEAVY MACHINERY CO.,LTD. Registration number: Y2022980022888 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230508 Granted publication date: 20220722 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: CIC LUOYANG HEAVY MACHINERY CO.,LTD. Registration number: Y2022980022888 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |