CN110439605B - Colliery is with air door anticollision linkage car blocking device - Google Patents
Colliery is with air door anticollision linkage car blocking device Download PDFInfo
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- CN110439605B CN110439605B CN201910724128.5A CN201910724128A CN110439605B CN 110439605 B CN110439605 B CN 110439605B CN 201910724128 A CN201910724128 A CN 201910724128A CN 110439605 B CN110439605 B CN 110439605B
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 66
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 description 11
- 230000006378 damage Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/16—Positive railway stops
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
- E21F1/12—Devices for automatically opening air doors
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Abstract
The invention discloses an air door anti-collision linkage car stopping device for a coal mine, relates to the technical field of coal mine facilities, and solves the problems of flexibility, stability and poor reliability of the existing air door anti-collision linkage car stopping operation, and the key points of the technical scheme are as follows: a first barrier plate and a second barrier plate are arranged on two sides of the air door, the air door is provided with a first driving source, and the ground of the roadway is provided with a second driving source for controlling the opening and closing of the first barrier plate and a third driving source for controlling the opening and closing of the second barrier plate; a sequential delay starting unit for controlling the sequential delay starting of the second driving source, the first driving source and the third driving source is arranged on the side surface of the air door close to the first blocking plate; the side that the air door is close to the second barrier plate is equipped with the reverse order time delay start unit that is used for controlling third driving source, first driving source and second driving source time delay start in proper order, has and makes mine car, staff homoenergetic nimble pass through the air door, reduces the relatively poor influence to air door anticollision linkage car blocking of signal in the mine, reinforcing air door open and close the effect of stability.
Description
Technical Field
The invention relates to the technical field of coal mine facilities, in particular to an anti-collision linkage car blocking device for a coal mine air door.
Background
Along with the development of the auxiliary transportation mode of the coal mine, the auxiliary transportation of the trackless rubber-tyred vehicle is increasingly widely applied to the coal mine, is a convenient auxiliary transportation mode for transporting personnel, equipment and materials in the mine, and is a main development direction of the auxiliary transportation of the mine. The auxiliary transportation of the mine is mainly realized through a trackless rubber-tyred vehicle, and an underground transportation system is complex and the transportation of vehicles is frequent. When an underground vehicle passes through the air door, the air door is easy to be damaged, so that the underground air flow short circuit or the insufficient air quantity of a working surface is caused, the stability and the reliability of a ventilation system are damaged, the disaster resistance of a mine is reduced, the safety production of the mine is threatened, and serious potential safety hazards are brought to the gas prevention and fire prevention management work of the mine. Protection of ventilation installations is therefore a very important task in mine production.
At present, the common air door anti-collision protection is mainly realized by the following modes: (1) the interlocking device of the car arrester and the air door is linked by organically combining the air door and the car arrester and utilizing the principle of air door interlocking, and when a locomotive or a mine car runs to the range of the air door, the locomotive or the mine car is prevented by the car arrester arranged on a track; when workers and mine cars pass through the air door in the roadway, the operation is complex due to the starting of the air door, and the applicability is poor. (2) Detecting mine car running information through a signal sensor, and controlling the opening and closing of an air door according to the detected running information; but the signal sensor has poor detection stability due to poor signals in the mine. (3) The air door is controlled to be started through the PLC program, the operation steps of the PLC program are complex, and the stability of opening and closing the air door is poor.
Therefore, how to design the air door anti-collision linkage car stopping device for the coal mine, which is flexible, stable and reliable in operation, is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to provide an air door anti-collision linkage car stopping device for a coal mine, which has the effects that a mine car and workers can flexibly pass through an air door, the influence of poor signals in the mine to the air door anti-collision linkage car stopping is reduced, and the opening and closing stability of the air door is enhanced.
The technical purpose of the invention is realized by the following technical scheme: the anti-collision linkage car blocking device for the air door for the coal mine comprises a roadway and the air door, wherein a first blocking plate and a second blocking plate are respectively arranged on two sides of the air door, the air door is provided with a first driving source for controlling the opening and closing of a door body, and the ground of the roadway is provided with a second driving source for controlling the opening and closing of the first blocking plate and a third driving source for controlling the opening and closing of the second blocking plate;
a sequential delay starting unit for controlling sequential delay starting of the second driving source, the first driving source and the third driving source is arranged on the side face, close to the first blocking plate, of the air door;
and a reverse-order delay starting unit for controlling the sequential delay starting of the third driving source, the first driving source and the second driving source is arranged on the side surface of the air door close to the second blocking plate.
By adopting the technical scheme, when a mine car or a person runs in the forward direction, the sequential delay starting unit is started, the sequential delay starting unit drives the first blocking plate, the air door and the second blocking plate to be sequentially started in a delayed manner, the first blocking plate and the second blocking plate are in a horizontal state after being started, and the air door is in an open state after being started, so that the mine car or the person can smoothly pass through the system; when the mine car or a person runs reversely, the sequential delay starting unit is started, and drives the second blocking plate, the air door and the first blocking plate to be sequentially started in a delayed manner, so that the mine car or the person can reversely and smoothly pass through the sequential delay starting unit, the influence of poor signals in the mine car on the anti-collision linkage car blocking of the air door is reduced, and the opening and closing stability of the air door is enhanced.
The invention is further configured to: the sequential delay starting unit comprises a sequential starting circuit, a stopping circuit and a delay circuit; the reverse-sequence delay starting unit comprises a reverse-sequence starting circuit, a stopping circuit and a delay circuit;
the sequential starting circuit comprises a first normally open trigger switch, a first relay KM1, a first normally open contact switch KM1-1 of the first relay, and a first normally closed contact switch KM3-1 of a third relay; after the first normally-open trigger switch is connected with the first relay KM1 in series, one end of the first normally-open trigger switch is connected with a power supply, and the other end of the first normally-open trigger switch is grounded; the first normally open contact switch KM1-1 of the first relay and the first normally closed contact switch KM3-1 of the third relay are connected in series and then are connected with the first normally open trigger switch in parallel;
the reverse-sequence starting circuit comprises a second normally-open trigger switch, a second relay KM2, a second normally-open contact switch KM2-2 of the second relay, and a second normally-closed contact switch KM3-2 of a third relay; after the second normally-open trigger switch is connected with the second relay KM2 in series, one end of the second normally-open trigger switch is connected with a power supply, and the other end of the second normally-open trigger switch is grounded; a second normally open contact switch KM2-2 of the second relay and a second normally closed contact switch KM3-2 of the third relay are connected in series and then are connected with a second normally open trigger switch in parallel;
the stop circuit comprises a third normally-open trigger switch and a third relay KM3, wherein one end of the third normally-open trigger switch is connected with a power supply after being connected with the third relay KM3 in series, and the other end of the third normally-open trigger switch is grounded;
the delay circuit comprises a first electrifying delay relay KT1, a second electrifying delay relay KT2, a third electrifying delay relay KT3, a third normally open contact switch KM1-3 of the first relay, a fourth normally open contact switch KM1-4 of the first relay, a fifth normally open contact switch KM1-5 of the first relay, a third normally open contact switch KM2-3 of the second relay, a fourth normally open contact switch KM2-4 of the second relay and a fifth normally open contact switch KM2-5 of the second relay;
the first electrified delay relay KT1, the third normally open contact switch KM1-3 of the first relay and the first driving source are connected in series to form a clockwise starting branch of the first driving source, the second electrified delay relay KT2, the fourth normally open contact switch KM1-4 of the first relay and the second driving source are connected in series to form a clockwise starting branch of the second driving source, the third electrified delay relay KT3, the fifth normally open contact switch KM1-5 of the first relay and the third driving source are connected in series to form a clockwise starting branch of the third driving source, one end of each clockwise starting branch is connected with a power supply after the three clockwise starting branches are connected in parallel, and the other end of each clockwise starting branch is grounded;
the first electrified delay relay KT1, the fifth normally open contact switch KM2-5 of the second relay and the third driving source are connected in series to form a reverse time starting branch of the third driving source, the second electrified delay relay KT2, the fourth normally open contact switch KM2-4 of the second relay and the second driving source are connected in series to form a reverse time starting branch of the second driving source, the third electrified delay relay KT3, the third normally open contact switch KM2-3 of the second relay and the first driving source are connected in series to form a reverse time starting branch of the first driving source, one end of each of the three reverse time starting branches is connected with a power supply in parallel, and the other end of each of the three reverse time starting branches is grounded.
By adopting the technical scheme, after the first normally-open trigger switch is started, the self-locking is realized after the first relay KM1 is switched on, and the first electrified delay relay KT1 is connected in series with the first driving source, the second electrified delay relay KT2 is connected in series with the second driving source, and the third electrified delay relay KT3 is connected in series with the third driving source and then is switched on; when the second normally-open trigger switch is started, the second relay KM2 is switched on to realize self-locking, and the first electrified delay relay KT1 is connected and conducted in series with the third driving source, the second electrified delay relay KT2 is connected and conducted in series with the second driving source, and the third electrified delay relay KT3 is connected and conducted in series with the first driving source; after the third normally-open trigger switch is started, the first relay KM1 and the second relay KM2 are controlled to be disconnected, and the first blocking plate, the air door and the second blocking plate are restored to the closed car-blocking state.
The invention is further configured to: the first normally open contact switch KM1-1 of the first relay and the first normally closed contact switch KM3-1 of the third relay are also connected in series with a first normally closed contact switch KM2-1 of the second relay; the second normally open contact switch KM2-2 of the second relay and the second normally closed contact switch KM3-2 of the third relay are also connected in series with a second normally closed contact switch KM1-2 of the first relay.
By adopting the technical scheme, the condition that the sequential starting circuit and the reverse starting circuit are started simultaneously is avoided, and the running reliability of the car stopping device is enhanced.
The invention is further configured to: the first normally-open trigger switch and the second normally-open trigger switch are respectively provided with a third normally-open trigger switch correspondingly, and the first normally-open trigger switch and the second normally-open trigger switch are positioned between the air door and the corresponding third normally-open trigger switch.
By adopting the technical scheme, the mine car or the working personnel can smoothly complete the opening and closing of the first blocking plate, the air door and the second blocking plate in the driving process.
The invention is further configured to: the first normally-open trigger switch, the second normally-open trigger switch and the third normally-open trigger switch are uniformly distributed on a running track of the mine car, and fluorescent layers are coated on the surfaces of the first normally-open trigger switch, the second normally-open trigger switch and the third normally-open trigger switch.
Through adopting above-mentioned technical scheme for mine car or staff can accurately start first normally open trigger switch, second normally open trigger switch, third normally open trigger switch.
The invention is further configured to: the first driving source, the second driving source and the third driving source are all driving cylinders.
By adopting the technical scheme, the opening and closing operation of the first blocking plate, the air door and the second blocking plate is flexible.
The invention is further configured to: the first blocking plate and the second blocking plate are arranged in a mode that the first blocking plate and the second blocking plate are inclined upwards and point to the air door in a starting state.
Through adopting above-mentioned technical scheme, when the mine car traveles to corresponding barrier plate, the inclined plane of barrier plate can hinder the mine car and continue to travel, has reduced the destruction degree of mine car simultaneously.
The invention is further configured to: a first warning lamp and a second warning lamp are respectively arranged on two sides of the air door; the first warning lamp is electrically connected with the sequence delay starting unit, and the second warning lamp is electrically connected with the reverse sequence delay starting unit.
By adopting the technical scheme, after the sequential delay starting unit is started, the first warning lamp is started; after the reverse-order delay starting unit is started, the second warning lamp is convenient for warning the working state of the tramcar or the stopping device of the working personnel.
The invention is further configured to: the delay time of the first electrified delay relay KT1, the second electrified delay relay KT2 and the third electrified delay relay KT3 is increased according to an arithmetic progression.
By adopting the technical scheme, the waiting time of the mine car or the working personnel can be reduced conveniently.
In conclusion, the invention has the following beneficial effects: when a mine car or a person runs in the forward direction, the sequential delayed starting unit is started, the sequential delayed starting unit drives the first blocking plate, the air door and the second blocking plate to be sequentially delayed to start, the first blocking plate and the second blocking plate are in a horizontal state after being started, and the air door is in an open state after being started, so that the mine car or the person can smoothly pass through the system; when the mine car or the person runs reversely, the sequential delay starting unit is started, and the sequential delay starting unit drives the second blocking plate, the air door and the first blocking plate to be sequentially started in a delay manner, so that the mine car or the person can reversely and smoothly pass through the sequential delay starting unit, the influence of poor signals in the mine well on the anti-collision linkage car blocking of the air door is reduced, and the opening and closing stability of the air door is enhanced; the condition that the sequential starting circuit and the reverse starting circuit are started simultaneously is avoided, and the running reliability of the car stopping device is enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
fig. 2 is a schematic diagram of the operation in the embodiment of the present invention.
In the figure: 1. a roadway; 11. a damper; 12. a first drive source; 13. a first warning light; 14. a second warning light; 2. a first barrier plate; 21. a second drive source; 22. a first normally open trigger switch; 3. a second barrier plate; 31. a third drive source; 32. a second normally open trigger switch; 4. a third normally open trigger switch; 5. a sequential start-up circuit; 6. a reverse order start circuit; 7. a stopping circuit; 8. a delay circuit.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to fig. 1-2 and the embodiments.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b): the utility model provides a colliery is with air door anticollision linkage car arrester, as shown in fig. 1 and fig. 2, including tunnel 1 and air door 11, 11 both sides of air door are equipped with first barrier plate 2 and second barrier plate 3 respectively, and air door 11 is equipped with the first driving source 12 that is used for controlling the body and opens and close, and tunnel 1 ground is equipped with the second driving source 21 that is used for controlling first barrier plate 2 and opens and close and is used for controlling the third driving source 31 that second barrier plate 3 opened and close. And a sequential delay starting unit for controlling sequential delay starting of the second driving source 21, the first driving source 12 and the third driving source 31 is arranged on the side surface of the air door 11 close to the first blocking plate 2. And a reverse-order delay starting unit for controlling the sequential delay starting of the third driving source 31, the first driving source 12 and the second driving source 21 is arranged on the side surface of the air door 11 close to the second blocking plate 3.
When a mine car or a person runs in the forward direction, the sequential delayed starting unit is started, the sequential delayed starting unit drives the first blocking plate 2, the air door 11 and the second blocking plate 3 to be sequentially delayed to start, the first blocking plate 2 and the second blocking plate 3 are in a horizontal state after being started, and the air door 11 is in an open state after being started, so that the mine car or the person can smoothly pass through the system; when the mine car or a person runs reversely, the sequential delay starting unit is started, and drives the second blocking plate 3, the air door 11 and the first blocking plate 2 to be sequentially delayed and started, so that the mine car or the person can reversely and smoothly pass through the sequential delay starting unit, the influence of poor signals in the mine car on the anti-collision linkage car blocking of the air door 11 is reduced, and the opening and closing stability of the air door 11 is enhanced.
As shown in fig. 2, the sequential delay starting unit includes a sequential starting circuit 5, a stopping circuit 7, and a delay circuit 8. The reverse-sequence delay starting unit comprises a reverse-sequence starting circuit 6, a stopping circuit 7 and a delay circuit 8.
As shown in fig. 2, the sequential starting circuit 5 includes a first normally-open trigger switch 22(SB1), a first relay KM1, a first normally-open contact switch KM1-1 of the first relay, and a first normally-closed contact switch KM3-1 of the third relay. After the first normally-open trigger switch 22 is connected with the first relay KM1 in series, one end is connected with a power supply, and the other end is grounded. The first normally open contact switch KM1-1 of the first relay and the first normally closed contact switch KM3-1 of the third relay are connected in series and then are connected in parallel with the first normally open trigger switch 22.
As shown in fig. 2, the reverse-order starting circuit 6 includes a second normally-open trigger switch 32(SB2), a second relay KM2, a second normally-open contact switch KM2-2 of the second relay, and a second normally-closed contact switch KM3-2 of the third relay. After the second normally-open trigger switch 32 is connected in series with the second relay KM2, one end is connected with a power supply, and the other end is grounded. And a second normally open contact switch KM2-2 of the second relay and a second normally closed contact switch KM3-2 of the third relay are connected in series and then are connected in parallel with the second normally open trigger switch 32.
As shown in fig. 2, the stop circuit 7 includes a third normally-open trigger switch 4(SB3) and a third relay KM3, wherein the third normally-open trigger switch 4 is connected in series with the third relay KM3, and then one end of the third normally-open trigger switch is connected to a power supply, and the other end of the third normally-open trigger switch is grounded.
As shown in fig. 2, the delay circuit 8 includes a first energized delay relay KT1, a second energized delay relay KT2, a third energized delay relay KT3, a third normally open contact switch KM1-3 of the first relay, a fourth normally open contact switch KM1-4 of the first relay, a fifth normally open contact switch KM1-5 of the first relay, a third normally open contact switch KM2-3 of the second relay, a fourth normally open contact switch KM2-4 of the second relay, and a fifth normally open contact switch KM2-5 of the second relay.
As shown in fig. 2, a first energized delay relay KT1, a third normally open contact switch KM1-3 of the first relay, and the first driving source 12 are connected in series to form a clockwise starting branch of the first driving source 12, a second energized delay relay KT2, a fourth normally open contact switch KM1-4 of the first relay, and the second driving source 21 are connected in series to form a clockwise starting branch of the second driving source 21, a third energized delay relay KT3, a fifth normally open contact switch KM1-5 of the first relay, and a third driving source 31 are connected in series to form a clockwise starting branch of the third driving source 31, one end of the three clockwise starting branches is connected with a power supply after being connected in parallel, and the other end of the three clockwise starting branches is grounded.
As shown in fig. 2, the first energized delay relay KT1, the fifth normally open contact switch KM2-5 of the second relay, and the third driving source 31 are connected in series to form a reverse-time starting branch of the third driving source 31, the second energized delay relay KT2, the fourth normally open contact switch KM2-4 of the second relay, and the second driving source 21 are connected in series to form a reverse-time starting branch of the second driving source 21, the third energized delay relay KT3, the third normally open contact switch KM2-3 of the second relay, and the first driving source 12 are connected in series to form a reverse-time starting branch of the first driving source 12, and after the three reverse-time starting branches are connected in parallel, one end of the three reverse-time starting branches is connected to a power supply, and the other end.
As shown in fig. 1 and 2, when the first normally-open trigger switch 22 is turned on, the first relay KM1 is turned on to realize self-locking, and the first energized delay relay KT1 is connected in series with the first driving source 12, the second energized delay relay KT2 is connected in series with the second driving source 21, and the third energized delay relay KT3 is connected in series with the third driving source 31. When the second normally-open trigger switch 32 is started, the second relay KM2 is switched on to realize self-locking, and the first electrified delay relay KT1 is connected in series with the third driving source 31, the second electrified delay relay KT2 is connected in series with the second driving source 21, and the third electrified delay relay KT3 is connected in series with the first driving source 12 and then is switched on. After the third normally-open trigger switch 4 is started, the first relay KM1 and the second relay KM2 are controlled to be disconnected, and the first blocking plate 2, the air door 11 and the second blocking plate 3 are restored to the closed car-blocking state.
As shown in FIG. 2, the first normally open contact switch KM1-1 of the first relay and the first normally closed contact switch KM3-1 of the third relay are also connected in series with a first normally closed contact switch KM2-1 of the second relay. The second normally open contact switch KM2-2 of the second relay and the second normally closed contact switch KM3-2 of the third relay are also connected in series with a second normally closed contact switch KM1-2 of the first relay. The condition that the sequential starting circuit 5 and the reverse starting circuit 6 are started simultaneously is avoided, and the running reliability of the car stopping device is enhanced.
As shown in fig. 1 and 2, the first normally-open trigger switch 22 and the second normally-open trigger switch 32 are respectively provided with a third normally-open trigger switch 4, and the first normally-open trigger switch 22 and the second normally-open trigger switch 32 are located between the air door 11 and the corresponding third normally-open trigger switch 4, so that the mine car or the worker can smoothly complete the opening and closing of the first barrier plate 2, the air door 11 and the second barrier plate 3 in the driving process.
As shown in fig. 1 and 2, the first normally open trigger switch 22, the second normally open trigger switch 32 and the third normally open trigger switch 4 are uniformly arranged on the running track of the mine car, and the surface of the mine car is coated with a fluorescent layer, so that the mine car or the working personnel can accurately start the first normally open trigger switch 22, the second normally open trigger switch 32 and the third normally open trigger switch 4.
In this embodiment, the first driving source 12, the second driving source 21, and the third driving source 31 all adopt driving cylinders, so that the opening and closing operations of the first blocking plate 2, the damper 11, and the second blocking plate 3 are flexible.
As shown in fig. 2, the first blocking plate 2 and the second blocking plate 3 are both disposed obliquely upward toward the damper 11 in the activated state. When the mine car runs to the corresponding blocking plate, the inclined surface of the blocking plate can block the mine car from continuing running, and meanwhile, the damage degree of the mine car is reduced.
As shown in fig. 2, a first warning light 13 and a second warning light 14 are respectively disposed on both sides of the damper 11. The first warning light 13 is electrically connected with the sequential delay starting unit, and the second warning light 14 is electrically connected with the reverse delay starting unit. In the present embodiment, the first warning light 13 and the second warning light 14 are arranged in series with the corresponding normally open contact switches in the delay circuit 8. After the sequential delay starting unit is started, the first warning lamp 13 is started. After the reverse-sequence delay starting unit is started, the second warning lamp 14 is convenient for warning the working state of the mine car or the stop device of the working personnel.
The delay time of the first electrified delay relay KT1, the second electrified delay relay KT2 and the third electrified delay relay KT3 is increased according to an arithmetic progression. In the embodiment, the tolerance of the delay time is 1S, so that the waiting time of the mine car or the staff is reduced.
The working principle is as follows: when a mine car or a person runs in the forward direction, the sequential delay starting unit is started, the sequential delay starting unit drives the first blocking plate 2, the air door 11 and the second blocking plate 3 to be sequentially started in a delayed mode, the first blocking plate 2 and the second blocking plate 3 are in a horizontal state after being started, and the air door 11 is in an open state after being started, so that the mine car or the person can smoothly pass through the system. When the mine car or a person runs reversely, the sequential delay starting unit is started, and drives the second blocking plate 3, the air door 11 and the first blocking plate 2 to be sequentially delayed and started, so that the mine car or the person can reversely and smoothly pass through the sequential delay starting unit, the influence of poor signals in the mine car on the anti-collision linkage car blocking of the air door 11 is reduced, and the opening and closing stability of the air door 11 is enhanced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a colliery is with air door anticollision linkage car arrester (-tor), includes tunnel (1) and air door (11), characterized by: a first barrier plate (2) and a second barrier plate (3) are respectively arranged on two sides of the air door (11), the air door (11) is provided with a first driving source (12) for controlling the opening and closing of a door body, and the ground of the roadway (1) is provided with a second driving source (21) for controlling the opening and closing of the first barrier plate (2) and a third driving source (31) for controlling the opening and closing of the second barrier plate (3);
a sequential delay starting unit for controlling sequential delay starting of the second driving source (21), the first driving source (12) and the third driving source (31) is arranged on the side face, close to the first blocking plate (2), of the air door (11);
the side surface of the air door (11) close to the second blocking plate (3) is provided with a reverse-order delay starting unit for controlling the sequential delay starting of the third driving source (31), the first driving source (12) and the second driving source (21);
the sequential delay starting unit comprises a sequential starting circuit (5), a stopping circuit (7) and a delay circuit (8); the reverse-sequence delay starting unit comprises a reverse-sequence starting circuit (6), a stopping circuit (7) and a delay circuit (8);
the sequential starting circuit (5) comprises a first normally-open trigger switch (22), a first relay KM1, a first normally-open contact switch KM1-1 of the first relay, a first normally-closed contact switch KM2-1 of a second relay and a first normally-closed contact switch KM3-1 of a third relay; after the first normally-open trigger switch (22) and the first relay KM1 are connected in series, one end of the first relay KM1 is connected with a power supply, and the other end of the first relay KM1 is grounded; the first normally open contact switch KM1-1 of the first relay, the first normally closed contact switch KM2-1 of the second relay and the first normally closed contact switch KM3-1 of the third relay are connected in series and then are connected with the first normally open trigger switch (22) in parallel;
the reverse-order starting circuit (6) comprises a second normally-open trigger switch (32), a second relay KM2, a second normally-open contact switch KM2-2 of the second relay, a second normally-closed contact switch KM1-2 of the first relay and a second normally-closed contact switch KM3-2 of a third relay; after the second normally-open trigger switch (32) is connected with the second relay KM2 in series, one end of the second normally-open trigger switch is connected with a power supply, and the other end of the second normally-open trigger switch is grounded; the second normally open contact switch KM2-2 of the second relay, the second normally closed contact switch KM1-2 of the first relay and the second normally closed contact switch KM3-2 of the third relay are connected in series and then are connected with the second normally open trigger switch (32) in parallel;
the stop circuit (7) comprises a third normally-open trigger switch (4) and a third relay KM3, wherein one end of the third normally-open trigger switch (4) is connected with a power supply after being connected with the third relay KM3 in series, and the other end of the third normally-open trigger switch is grounded;
the delay circuit (8) comprises a first electrified delay relay KT1, a second electrified delay relay KT2, a third electrified delay relay KT3, a third normally open contact switch KM1-3 of the first relay, a fourth normally open contact switch KM1-4 of the first relay, a fifth normally open contact switch KM1-5 of the first relay, a third normally open contact switch KM2-3 of the second relay, a fourth normally open contact switch KM2-4 of the second relay and a fifth normally open contact switch KM2-5 of the second relay;
the power supply control circuit comprises a first electrifying delay relay KT1, a third normally open contact switch KM1-3 of the first relay and a first driving source (12) which are connected in series to form a clockwise starting branch of the first driving source (12), a second electrifying delay relay KT2, a fourth normally open contact switch KM1-4 of the first relay and a second driving source (21) which are connected in series to form a clockwise starting branch of the second driving source (21), a third electrifying delay relay KT3, a fifth normally open contact switch KM1-5 of the first relay and a third driving source (31) which are connected in series to form a clockwise starting branch of the third driving source (31), wherein one end of the three clockwise starting branches is connected with a power supply after the three clockwise starting branches are connected in parallel, and the other end of the three clockwise;
the reverse-time starting circuit comprises a first electrified delay relay KT1, a fifth normally-open contact switch KM2-5 of a second relay and a third driving source (31) which are connected in series to form a reverse-time starting branch of the third driving source (31), a second electrified delay relay KT2, a fourth normally-open contact switch KM2-4 of the second relay and the second driving source (21) which are connected in series to form a reverse-time starting branch of the second driving source (21), a third electrified delay relay KT3, a third normally-open contact switch KM2-3 of the second relay and a first driving source (12) which are connected in series to form a reverse-time starting branch of the first driving source (12), wherein one end of the three reverse-time starting branches is connected with a power supply after the three reverse-time starting branches are connected.
2. The coal mine air door anti-collision linkage car stopping device is characterized in that: the first normally-open trigger switch (22) and the second normally-open trigger switch (32) are respectively and correspondingly provided with a third normally-open trigger switch (4), and the first normally-open trigger switch (22) and the second normally-open trigger switch (32) are located between the air door (11) and the corresponding third normally-open trigger switch (4).
3. The coal mine air door anti-collision linkage car stopping device is characterized in that: the first normally-open trigger switch (22), the second normally-open trigger switch (32) and the third normally-open trigger switch (4) are uniformly distributed on a running track of the mine car, and fluorescent layers are coated on the surfaces of the first normally-open trigger switch, the second normally-open trigger switch and the third normally-open trigger switch.
4. The coal mine air door anti-collision linkage car stopping device is characterized in that: the first driving source (12), the second driving source (21) and the third driving source (31) are all driving cylinders.
5. The colliery is with crashproof linkage car arrester of throttle of any one of claims 1-4, characterized by: the first blocking plate (2) and the second blocking plate (3) are arranged in a mode that the first blocking plate and the second blocking plate are inclined upwards and point to the air door (11) in the starting state.
6. The colliery is with crashproof linkage car arrester of throttle of any one of claims 1-4, characterized by: a first warning lamp (13) and a second warning lamp (14) are respectively arranged on two sides of the air door (11); the first warning lamp (13) is electrically connected with the sequential delay starting unit, and the second warning lamp (14) is electrically connected with the reverse delay starting unit.
7. The colliery is with crashproof linkage car arrester of throttle of any one of claims 2-3, characterized by: the delay time of the first electrified delay relay KT1, the second electrified delay relay KT2 and the third electrified delay relay KT3 is increased according to an arithmetic progression.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910724128.5A CN110439605B (en) | 2019-08-07 | 2019-08-07 | Colliery is with air door anticollision linkage car blocking device |
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| CN201910724128.5A CN110439605B (en) | 2019-08-07 | 2019-08-07 | Colliery is with air door anticollision linkage car blocking device |
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| CN110439605B true CN110439605B (en) | 2021-03-16 |
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| CN111003015B (en) * | 2020-01-19 | 2021-05-07 | 诸暨山争网络科技有限公司 | Tunnel upslope single file track mine car interception equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6425820B1 (en) * | 2000-03-30 | 2002-07-30 | Jack Kennedy Metal Products And Buildings, Inc. | Mine door power drive system |
| CN2660129Y (en) * | 2003-12-05 | 2004-12-01 | 新汶矿业集团汶南煤矿有限责任公司 | Autothrottle |
| CN201003411Y (en) * | 2007-02-08 | 2008-01-09 | 大同煤矿集团力泰密封有限责任公司 | Wind gate device |
| CN203655338U (en) * | 2013-12-13 | 2014-06-18 | 冀中能源峰峰集团有限公司大社矿 | Air door protection and interlocking tank car gear device |
| CN203702222U (en) * | 2014-01-27 | 2014-07-09 | 国投新集能源股份有限公司 | Clamping rail pneumatic air door interlocked anti-collision device |
| CN104405429B (en) * | 2014-12-16 | 2017-05-03 | 中矿金业股份有限公司 | Underground automatic hydraulic air valve and control method thereof |
| CN206801605U (en) * | 2017-03-27 | 2017-12-26 | 淮北工科检测检验有限公司 | Underground air door and ground shelves Pneumatic linkage control device |
| CN109458207B (en) * | 2018-12-27 | 2024-02-13 | 北京天地华泰矿业管理股份有限公司 | Air door system with running anti-collision device for underground coal mine |
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