CN211519519U - Mining automatic normally closed car stopping system - Google Patents
Mining automatic normally closed car stopping system Download PDFInfo
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- CN211519519U CN211519519U CN201922252871.3U CN201922252871U CN211519519U CN 211519519 U CN211519519 U CN 211519519U CN 201922252871 U CN201922252871 U CN 201922252871U CN 211519519 U CN211519519 U CN 211519519U
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Abstract
The utility model belongs to the technical field of mining roadster of preventing, specifically a mining automatic normal close formula car blocking system has solved the problem among the background art. The utility model provides a mining automatic normally closed type car blocking system, includes first photoelectric switch, second photoelectric switch, third photoelectric switch and automatic normally closed type car blocking device, and first photoelectric switch, second photoelectric switch and third photoelectric switch set up along the direction at the bottom of inclined drifts top change slope point to the inclined drifts in order, and automatic normally closed type car blocking device sets up between second photoelectric switch and third photoelectric switch, and first photoelectric switch, second photoelectric switch, third photoelectric switch transmission signal to automatic normally closed type car blocking device. The utility model has convenient installation and low maintenance cost, realizes the safe operation of inclined roadway transportation, can effectively intercept the running vehicle when a running accident happens, and prevents the running vehicle from running out of control, overspeed mine car or undrawn vehicle; not only the labor intensity of post personnel is lightened, but also the personal safety of the working personnel is ensured.
Description
Technical Field
The utility model belongs to the technical field of mining roadster of preventing, specifically a mining automatic normal close formula car blocking system.
Background
In coal mines, the lifting and transportation of inclined roadways are important components of the whole mine transportation system and are also important links of mine safety production. The roadster accident frequently takes place in the inclined drifts, not only can damage facility in the pit, but also endangers staff's personal safety, and inclined drifts roadster accident often does not have the premonitory note, and is unexpected under the condition that the staff can't foresee, and the inclined drifts is longer in addition, and behind the mine car roadster of transportation, speed can be bigger and bigger, and the impact also can increase thereupon, in case take place the roadster accident, the consequence is very dangerous.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem in the background art. Therefore, the utility model provides a mining automatic normal close formula car blocking system.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a mining automatic normally closed type car blocking system, is including the first photoelectric switch, second photoelectric switch, the third photoelectric switch that are used for responding to the mine car and be used for calculating mine car speed and make corresponding automatic normally closed type car blocking device, first photoelectric switch second photoelectric switch with the third photoelectric switch sets up in order along the direction at the bottom of inclined drifts top change slope point to the inclined drifts, automatic normally closed type car blocking device sets up between second photoelectric switch and third photoelectric switch, distance between first photoelectric switch and the second photoelectric switch is not less than 15m, the distance of second photoelectric switch apart from automatic normally closed type car blocking device is not less than 20m, first photoelectric switch, second photoelectric switch, third photoelectric switch transmission signal to automatic normally closed type car blocking device. First photoelectric switch, second photoelectric switch, third photoelectric switch are used for gathering the signal of mine car, and first photoelectric switch, second photoelectric switch, third photoelectric switch with time signal, speed signal transmission extremely automatic normal close formula car blocking device works as automatic normal close formula car blocking device judges that the mine car takes place the sports car accident, then automatic normal close formula car blocking device keeps normally closed state, judges that the mine car does not take place the sports car accident when automatic normal close formula car blocking device, then automatic normal close formula car blocking device keeps open the state, and the mine car passes through smoothly.
Mining automatic normal close formula car blocking system's theory of operation do: firstly, installing a plurality of sets of mining automatic normally closed car stopping systems at different positions of an inclined roadway, when a mine car passes through a first photoelectric switch, a control system of the automatic normally closed car stopping device receives a signal to start timing, and when the mine car continues to run to a second photoelectric switch, the control system of the automatic normally closed car stopping device calculates the speed of the mine car and judges whether the mine car is overspeed or not, if the speed of the mine car is more than 4m/s, the control system of the automatic normally closed car stopping device controls the automatic normally closed car stopping device to keep locked, and the automatic normally closed car stopping device effectively intercepts stalled mine cars; if the speed of the mine car is not more than 4m/s, the automatic normally closed type car stopping device is opened; when the mine car continues to descend to reach the third photoelectric switch, the control system of the automatic normally closed type car stopping device receives the signal and controls the locking reset of the automatic normally closed type car stopping device; when the mine car returns to the ascending direction, the mine car reaches the third photoelectric switch port, the control system of the automatic normally-closed type car stopping device controls the automatic normally-closed type car stopping device to be opened, when the time that the mine car passes through the second photoelectric switch and the first photoelectric switch is less than or equal to 30 s, the control system of the automatic normally-closed type car stopping device controls the automatic normally-closed type car stopping device to be locked and reset, and when the time that the mine car passes through the second photoelectric switch and the first photoelectric switch is more than 30 s, the control system of the automatic normally-closed type car stopping device controls the automatic normally-closed type car stopping device to be kept opened.
Preferably, the automatic normally-closed car stopping device comprises a normally-closed safety door, an electro-hydraulic push rod and an electric cabinet, wherein one side of the normally-closed safety door is hinged to support frames positioned on two sides of an inclined roadway, a first magnetic proximity switch used for detecting whether the normally-closed safety door is locked or not is arranged between the other side of the normally-closed safety door and the support frames, and a second magnetic proximity switch used for detecting whether the normally-closed safety door is completely opened or not is arranged in the inclined roadway close to the far end of the normally-closed safety door when the normally-closed safety door is completely opened; the electric hydraulic push rod is arranged on one side of the normally-closed safety door, which is hinged with the support frame, two ends of the electric hydraulic push rod are respectively hinged with the normally-closed safety door and the support frame, the electric hydraulic push rod is driven by a hydraulic electric pump, and the electric cabinet is connected with the first photoelectric switch, the second photoelectric switch, the third photoelectric switch, the first magnetic proximity switch, the second magnetic proximity switch and the hydraulic electric pump. The electro-hydraulic push rod can move in a telescopic mode under the driving of the hydraulic electric pump, the normally-closed safety door can be pushed to be opened or closed, a first magnetic proximity switch is arranged between the other side of the normally-closed safety door and the supporting frame, when the normally-closed safety door is close to the door frame, the first magnetic proximity switch receives an induction signal, and the electro-hydraulic push rod stops moving; when the normal close formula emergency exit is opened, opens completely when normal close formula emergency exit, second magnetism proximity switch receives the sensing signal, electro-hydraulic drive push rod stop motion prevents to be electrified always and damages electro-hydraulic drive push rod, the system adopts a plurality of photoelectric switch monitoring control, and the interference killing feature is strong.
Further, automatic normal close formula car blocking device is including the acousto-optic alarm that is used for showing normal close formula emergency exit open-close state's that all is connected with the electric cabinet and sends out the police dispatch newspaper when taking place the accident, works as normal close formula emergency exit is the open mode, state display shows to open, works as normal close formula emergency exit is the shutting state, state display shows to close, when the operation mine car the open-close state of system ability automated inspection normal close formula emergency exit, if appear normal close formula emergency exit open or close not in place, when taking place the running accident, acousto-optic alarm can twinkle and be accompanied the pronunciation suggestion, reminds the driver to slow down the parking, prevents that the mine car from crashing the emergency exit, acousto-optic alarm sends out the police dispatch newspaper, plays warning, warning effect to past staff.
Further, automatic normal close formula car blocking device is including the hand switch that is used for controlling the switching of normal close formula emergency exit, hand switch is connected with the electric cabinet. When the magnetic proximity switch fails, a worker can control the normally closed safety door to be opened or closed through the manual switch.
Further, the support frame is fixed on the ground through an earth anchor. Normally closed emergency exit with the support frame is connected, if the sports car accident takes place, normally closed emergency exit shutting, and the mine car will probably lead to the fact the clash to normally closed emergency exit and support frame, so fix the support frame through the earth anchor subaerial for the support frame grabs the ground firm, improves anti striking ability.
The utility model has the advantages that: the utility model provides a mining automatic normal close formula car stopping system, its simple structure, convenient operation, it is convenient to install, and the maintenance cost is cheap, has realized the safe operation of inclined drifts transportation, guarantees "the driving is not pedestrian, the pedestrian does not drive a vehicle", and when the sports car accident takes place, can stop the sports car effectively, prevents out of control, overspeed mine car or not to move ahead continuously; not only the labor intensity of post personnel is lightened, but also the personal safety of the working personnel is ensured, the time is saved, the effective working time of each class of transportation is prolonged, and the transportation volume is increased; in the using process, the device can automatically judge the running of the vehicle and automatically turn on and off the vehicle.
Drawings
Fig. 1 is a schematic structural diagram of an automatic normally closed car stopping system for mining.
In the figure: 1-a first opto-electronic switch; 2-a second opto-electronic switch; 3-a third photoelectric switch; 4-automatic normally closed car stopping device; 5-a normally closed safety door; 6-an electro-hydraulic push rod; 7-a support frame; 8-a first magnetic proximity switch; 9-a second magnetic proximity switch; 10-a hydraulic electric pump; 11-a status display; 12-acousto-optic alarms; 13-ground anchor.
Detailed Description
Referring to fig. 1, the utility model discloses a mining automatic normally closed car stopping system is explained.
An automatic normally closed type car stopping system for mining, as shown in figure 1, comprises a first photoelectric switch 1, a second photoelectric switch 2 and a third photoelectric switch 3 for sensing a mine car and a car stopping device 4 for calculating the speed of the mine car and making corresponding automatic normally closed type, the first photoelectric switch 1, the second photoelectric switch 2 and the third photoelectric switch 3 are sequentially arranged along the direction from a slope changing point above the inclined roadway to the bottom of the inclined roadway, the automatic normally closed car stopping device 4 is arranged between the second photoelectric switch 2 and the third photoelectric switch 3, the distance between the first photoelectric switch 1 and the second photoelectric switch 2 is not less than 15m, the distance between the second photoelectric switch 2 and the automatic normally-closed car stop device 4 is not less than 20m, the first photoelectric switch 1, the second photoelectric switch 2 and the third photoelectric switch 3 transmit signals to the automatic normally-closed car stopping device 4. First photoelectric switch 1, second photoelectric switch 2, third photoelectric switch 3 are used for gathering the signal of mine car, and first photoelectric switch 1, second photoelectric switch 2, third photoelectric switch 3 with time signal, speed signal transmission extremely automatic normally closed formula car blocking device 4 works as automatic normally closed formula car blocking device 4 judges that the mine car takes place the sports car accident, then automatic normally closed formula car blocking device 4 keeps normally closed state, judges that the mine car does not take place the sports car accident when automatic normally closed formula car blocking device 4, then automatic normally closed formula car blocking device 4 keeps open state, and the mine car passes through smoothly.
Further, as the specific implementation mode of the mining automatic normally-closed type car stopping system of the present invention, as shown in fig. 1, the automatic normally-closed type car stopping device 4 includes a normally-closed type safety door 5, an electro-hydraulic push rod 6 and an electric cabinet, one side of the normally-closed type safety door 5 is hinged to a support frame 7 located on two sides of an inclined roadway, a first magnetic proximity switch 8 for detecting whether the normally-closed type safety door 5 is locked is arranged between the other side of the normally-closed type safety door 5 and the support frame 7, and a second magnetic proximity switch 9 for detecting whether the normally-closed type safety door 5 is completely opened is arranged in the inclined roadway close to the far end of the normally-closed type safety door 5 when the normally-closed type safety door 5 is completely opened; the electric hydraulic push rod 6 is arranged on one side of the normally-closed safety door 5, which is hinged to the support frame 7, two ends of the electric hydraulic push rod 6 are hinged to the normally-closed safety door 5 and the support frame 7 respectively, the electric hydraulic push rod 6 is driven by a hydraulic electric pump 10, and the electric cabinet is connected with the first photoelectric switch 1, the second photoelectric switch 2, the third photoelectric switch 3, the first magnetic proximity switch 8, the second magnetic proximity switch 9 and the hydraulic electric pump 10. The electric hydraulic push rod 6 can move in a telescopic mode under the driving of the hydraulic electric pump 10, the normally closed safety door 5 can be pushed to open or close, a first magnetic proximity switch 8 is arranged between the other side of the normally closed safety door 5 and the support frame 7, when the normally closed safety door 5 approaches a door frame, the first magnetic proximity switch 8 receives an induction signal, and the electric hydraulic push rod 6 stops moving; when the normal close formula emergency exit 5 is opened, opens when normal close formula emergency exit 5 completely, second magnetism proximity switch 9 receives the sensing signal, 6 stop motion of electro-hydraulic drive push rod prevents to be electrified always and damages electro-hydraulic drive push rod 6, the system adopts a plurality of photoelectric switch monitor control, and the interference killing feature is strong.
Further, as a specific embodiment of the mining automatic normally closed car stopping system of the present invention, the automatic normally closed car stopping device 4 includes a status display 11 connected to the electric cabinet for displaying the open/close status of the normally closed safety door 5 and an audible and visual alarm 12 for giving an alarm when an accident occurs, when the normally closed safety door 5 is in the open status, the status display 11 displays open, when the normally closed safety door 5 is in the closed status, the status display 11 displays closed, when the mine car is running, the system can automatically detect the open/close status of the normally closed safety door 5, if the normally closed safety door 5 is not in place for opening or closing, and a car running accident occurs, the audible and visual alarm 12 will flash and accompany with a voice prompt to remind a driver to decelerate and stop, so as to prevent the mine car from crashing the safety door, the audible and visual alarm 12 gives an alarm, the warning device plays a role in reminding and warning the passing workers.
Further, as a concrete implementation mode of mining automatic normal close formula car stopping system, automatic normal close formula car stopping device 4 is including the hand switch that is used for controlling 5 switchs of normal close formula emergency exit, hand switch is connected with the electric cabinet. When the magnetic proximity switch fails, a worker can control the normally closed safety door 5 to be opened or closed through the manual switch, the normally closed safety door 5 has dual functions of manual operation and automatic operation, and if the normally closed safety door 5 is opened or closed incompletely, the worker can open or close the normally closed safety door 5 through the manual switch.
Further, as a mining automatic normal close formula car blocking system's embodiment, support frame 7 is fixed subaerial through the earth anchor. Normally closed emergency exit 5 with support frame 7 is connected, if the sports car accident takes place, normally closed emergency exit 5 shutting, and the mine car will probably lead to the fact the clashing to normally closed emergency exit 5 and support frame 7, so fix support frame 7 through the earth anchor subaerial for support frame 7 grabs the ground firm, improves anti striking ability.
Mining automatic normal close formula car blocking system's theory of operation do: firstly, installing a plurality of sets of mining automatic normally closed car stopping systems at different positions of an inclined roadway, when a mine car passes through a first photoelectric switch 1, a control system of an automatic normally closed car stopping device 4 receives a signal to start timing, and when the mine car continues to run to a second photoelectric switch 2, the control system of the automatic normally closed car stopping device 4 calculates the speed of the mine car and judges whether the mine car is overspeed or not, if the speed of the mine car is more than 4m/s, an alarm lamp sent by an acousto-optic alarm 12 starts to flash and sends out a voice alarm to remind a driver that the current speed of the mine car is overspeed and the mine car needs to slow down, the control system of the automatic normally closed car stopping device 4 controls the automatic normally closed car stopping device 4 to keep locked, the automatic normally closed state display 11 of the car stopping device displays that the mine car is closed, and the automatic normally closed car stopping device 4 effectively intercepts stalled mine car; if the speed of the mine car is not more than 4m/s and the acousto-optic alarm 12 does not correspond to the speed of the mine car, the automatic normally-closed car stopping device 4 is opened, and the state display 11 of the automatic normally-closed car stopping device is displayed as being opened; when the mine car continues to descend to reach the third photoelectric switch 3, the control system of the automatic normally-closed car stopping device 4 receives a signal and controls the automatic normally-closed car stopping device 4 to be locked and reset, and the state display 11 of the automatic normally-closed car stopping device displays that the car stopping device is closed; when the mine car returns to the upward direction and reaches the opening of the third photoelectric switch 3, the control system of the automatic normally closed car stopping device 4 controls the automatic normally closed car stopping device 4 to be opened, the state display 11 of the automatic normally closed car stopping device displays that the car stopping device is opened, when the time between the mine car passing through the second photoelectric switch 2 and the first photoelectric switch 1 is less than or equal to 30 s, the control system of the automatic normally closed car stopping device 4 controls the automatic normally closed car stopping device 4 to be locked and reset, the automatic normally closed state is that the state display 11 of the car stopping device displays to be closed, when the time between the mine car passing through the second photoelectric switch 2 and the first photoelectric switch 1 is more than 30 s, the control system of the automatic normally closed car stop 4 controls the automatic normally closed car stop 4 to remain open, the status display 11 of which is shown as on.
Through the utility model discloses a theory of operation can obtain, the program control who involves in the utility model is that the skilled person in the art is familiar with, so the utility model discloses in do not explain.
While the invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The mining automatic normally-closed car blocking system is characterized by comprising a first photoelectric switch (1), a second photoelectric switch (2), a third photoelectric switch (3) and a corresponding automatic normally-closed car blocking device (4), wherein the first photoelectric switch (1), the second photoelectric switch (2) and the third photoelectric switch (3) are used for sensing the speed of a mine car and calculating the speed of the mine car, the first photoelectric switch (1), the second photoelectric switch (2) and the third photoelectric switch (3) are sequentially arranged along the direction from a slope point above an inclined roadway to the bottom of the inclined roadway, the automatic normally-closed car blocking device (4) is arranged between the second photoelectric switch (2) and the third photoelectric switch (3), the distance between the first photoelectric switch (1) and the second photoelectric switch (2) is not less than 15m, the distance between the second photoelectric switch (2) and the automatic normally-closed car blocking device (4) is not less than 20m, and the first photoelectric switch (1) and the second photoelectric switch (2) are not less than 20m, The second photoelectric switch (2) and the third photoelectric switch (3) transmit signals to the automatic normally closed car stopping device (4).
2. The mining automatic normally-closed type car stopping system according to claim 1, wherein the automatic normally-closed type car stopping device (4) comprises a normally-closed type safety door (5), an electro-hydraulic push rod (6) and an electric cabinet, one side of the normally-closed type safety door (5) is hinged to support frames (7) located on two sides of an inclined roadway, a first magnetic proximity switch (8) used for detecting whether the normally-closed type safety door (5) is locked is arranged between the other side of the normally-closed type safety door (5) and the support frames (7), and a second magnetic proximity switch (9) used for detecting whether the normally-closed type safety door (5) is completely opened is arranged in the inclined roadway close to the far end of the normally-closed type safety door (5) when the normally-closed type safety door (5) is completely opened; the electric hydraulic push rod (6) is arranged on one side of the normally-closed safety door (5) hinged to the support frame (7), two ends of the electric hydraulic push rod (6) are hinged to the normally-closed safety door (5) and the support frame (7) respectively, the electric hydraulic push rod (6) is driven by a hydraulic electric pump (10), and the electric cabinet is connected with the first photoelectric switch (1), the second photoelectric switch (2), the third photoelectric switch (3), the first magnetic proximity switch (8), the second magnetic proximity switch (9) and the hydraulic electric pump (10).
3. The mining automatic normally closed type car stopping system according to claim 2, wherein the automatic normally closed type car stopping device (4) comprises a state display (11) and an audible and visual alarm (12), wherein the state display (11) is connected with the electric cabinet and used for displaying the opening and closing states of the normally closed type safety door (5), and the audible and visual alarm gives an alarm when an accident happens.
4. The mining automatic normally closed type car stopping system according to claim 3, wherein the automatic normally closed type car stopping device (4) comprises a manual switch for controlling the normally closed type safety door (5) to be opened and closed, and the manual switch is connected with the electric cabinet.
5. An automatic normally closed mining car stopping system according to claim 2, 3 or 4, characterized in that the supporting frame (7) is fixed to the ground by means of an earth anchor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922252871.3U CN211519519U (en) | 2019-12-16 | 2019-12-16 | Mining automatic normally closed car stopping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922252871.3U CN211519519U (en) | 2019-12-16 | 2019-12-16 | Mining automatic normally closed car stopping system |
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| Publication Number | Publication Date |
|---|---|
| CN211519519U true CN211519519U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922252871.3U Active CN211519519U (en) | 2019-12-16 | 2019-12-16 | Mining automatic normally closed car stopping system |
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|---|---|
| CN (1) | CN211519519U (en) |
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2019
- 2019-12-16 CN CN201922252871.3U patent/CN211519519U/en active Active
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