CN204002887U - Underground orbit air-supply detection system - Google Patents
Underground orbit air-supply detection system Download PDFInfo
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- CN204002887U CN204002887U CN201420373811.1U CN201420373811U CN204002887U CN 204002887 U CN204002887 U CN 204002887U CN 201420373811 U CN201420373811 U CN 201420373811U CN 204002887 U CN204002887 U CN 204002887U
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- air
- amplifier
- resistance
- transmission cabinet
- supply
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Abstract
The utility model discloses a kind of underground orbit air-supply detection system, comprise two groups of parallel tracks, it is characterized in that: this rail section becomes " mountain " shape, in the middle of it, it is roller slide rail, the right and left is conveyance conduit, the sleeper at every described track two ends is steel sleeper, in steel sleeper, having hollow passageway communicates with described conveyance conduit, between adjacent two steel sleepers, be provided with a transmission cabinet, transmission cabinet is divided into blower fan transmission cabinet and Pressure monitoring transmits two kinds, cabinet, during along orbital arrangement, every two blower fans are separated with N Pressure monitoring transmission cabinet between transmitting between cabinet.The remarkable result of this scheme is: adopt the underground orbit air-supply detection system of above technical scheme, utilize the track all possessing in mine to set up air supply system, hiddenly do not take up space, efficiently utilize rail system, track is laid on limit, can blow in limit; Can also check at any time that whether pipeline is leaky, when carrying out line maintenance, bulb is lighted easily and is found, and just can find in time.
Description
Technical field
The utility model relates to underground orbit transport field, is specifically related to a kind of underground orbit air-supply detection system.
Background technology
Mine air-supply refers to be inputted air under mine, to increase the concentration of oxygen in mine and to reduce gas harmful in mine.The basic task of mine air-supply is: supply with the enough fresh airs in down-hole, meet the needs of personnel to oxygen; Water down down-hole toxic and harmful and dust, guarantee safety in production; Regulate down-hole weather, create good working environment.In order to make down-hole distinguished and admirable along fixed route flow distribution, just must in some tunnel, build the structure facility of blowing of guiding airflow regulation.
When digging laneway, for staff is breathed, getting rid of produce after dilution driving face gas or explosion harmful, pernicious gas and mine dust will ventilate.The ventilation of digging laneway is tunneling ventilation.Local fan ventilation is a kind of tunneling ventilation method that China's mine extensively adopts, and it utilizes portable blower and air duct the fresh distinguished and admirable driving face of sending into.
Rail transport is the major way of the various mine down-hole transportations of current China simultaneously.Nearly all mine is all with rail, and the capital equipment of rail transport has track, mine car, pulling equipment and accessory machinery etc.Laying track is in order to reduce the resistance of vehicle operating, article in convenient transportation well.In order to save timber, reinforced concrete sleeper or sleeper plate have been promoted the use of in mine at present.According to calculating, one kilometer of monorail of every paving just can be saved timber 30～40m
3.The advantage of reinforced concrete sleeper or sleeper plate is: intensity is large, firm wear-resisting, good stability; Service time is long, and maintenance cost is few; Be not afraid of the corrosion of pit water; Draw materials and manufacture all and facilitate.Its shortcoming is poor flexibility.But between the flange of rail and sleeper, place block rubber, just can overcome the deficiency.
The shortcoming of prior art is: air-supply arrangement need to be set up in addition, consumption wealth consumption power, and time delay is longer, builds trouble.
Utility model content
For solving above technical problem, the utility model provides a kind of underground orbit air-supply detection system that does not need to lay in addition ventilating duct in rail that is integrated in.
Concrete technical scheme is as follows:
A kind of underground orbit air-supply detection system, comprise two groups of parallel tracks, it is characterized in that: this rail section becomes " mountain " shape, in the middle of it, it is roller slide rail, the right and left is conveyance conduit, the sleeper at every described track two ends is steel sleeper, in steel sleeper, having hollow passageway communicates with described conveyance conduit, between adjacent two steel sleepers, be provided with a transmission cabinet, transmission cabinet is divided into blower fan transmission cabinet and Pressure monitoring transmits two kinds, cabinet, during along orbital arrangement, between between every two blower fans transmission cabinet, be separated with N Pressure monitoring transmission cabinet, in described transmission cabinet, be provided with air supply duct, air supply duct is communicated with described hollow passageway,
The aboveground end of described air supply duct communicates with the track of aboveground direction, the downhole end of air supply duct and downhole to track communicate, in the air supply duct of blower fan transmission cabinet, relaying blower fan is installed; Pressure monitoring transmission cabinet is provided with pressure sensor; Air supply duct downhole end in Pressure monitoring transmission cabinet is provided with main valve, and described main valve and pressure sensor are connected on air-supply observation circuit.
Adopt said structure, make solid sleeper become hollow steel sleeper, its hollow parts is as the passage of air-supply, track is also with the passage of blowing, utilize relaying blower fan, do not stop rearward to blow, and blower fan transmission cabinet is arranged at intervals with Pressure monitoring transmission cabinet, the pressure sensor in transmission cabinet is monitored at any time pipeline and is prevented damaged gas leakage.
Further technical scheme is that described main valve is normally open solenoid valve, and relaying blower fan is DC fan.
Adopt said structure, relaying blower fan is that DC fan facilitates electric power under ore deposit to supply with; Main valve is generally opened, and when monitoring when there is no the doubtful gas leakage of pressure, just will close corresponding main valve, carries out monitoring test.
Further technical scheme is that described transmission cabinet outer wall is also provided with bulb, and described bulb and described main valve string are on same air-supply observation circuit.
Adopt said structure, bulb and main valve interlock, when carrying out line maintenance, be easily found, and just can find in time.
Further technical scheme is to be provided with pressure sensor A1 in described air-supply observation circuit, pressure sensor A1 input connects respectively power supply VCC and ground, this pressure sensor A1 the first output termination amplifier U3 positive input, pressure sensor A1 the second output termination amplifier U4 positive input, amplifier U3 output connects amplifier U3 reverse input end through resistance R 11, amplifier U4 output connects amplifier U4 reverse input end through resistance R 12, between amplifier U3 reverse input end and amplifier U4 reverse input end, by slide rheostat R10, be connected, amplifier U3 output connects amplifier U5 positive input through resistance R 13, amplifier U4 output connects amplifier U5 reverse input end through resistance R 14, amplifier U5 positive input is also through resistance R 16 ground connection, amplifier U5 output connects amplifier U5 reverse input end through resistance R 17, amplifier U5 output also connects comparator U6 reverse input end, comparator U6 positive input meets power supply VCC through resistance R 18, through resistance R 19 ground connection, the output of comparator U6 is connected with the base stage of triode D11, the grounded emitter of triode D11, and the coil of the colelctor electrode string relay J K3 of triode D11 meets power supply VCC, and the normal open switch string of relay J K3 is in the current supply circuit of main valve and bulb.
By this circuit, by pressure sensor A1, carried out the break-make of control relay JK3, thereby control the opening and closing of main valve and bulb.
Further technical scheme is the positive pole that the output of described comparator U6 is also connected with diode D15, the negative pole of D15 connects the base stage of triode D13, the colelctor electrode of triode D13 meets power supply VCC, and the emitter stage of triode D13 passes through resistance R 26, resistance R 27 ground connection successively; In adjacent Pressure monitoring transmission cabinet, the described resistance R 26 of the air-supply observation circuit of down-hole one-level and the common port of resistance R 27 are gas leakage signal output part VOUT2, aboveground one-level air-supply observation circuit is provided with comparator U7, the gas leakage signal input part VIN2 that the positive input of this comparator U7 is aboveground one-level, the gas leakage signal input part VIN2 of upper level is connected with the gas leakage signal output part VOUT2 of down-hole one-level, the reverse input end of comparator U7 connects comparative voltage, the base stage of triode D13 described in the output termination of comparator U7.
Occur that after pipeline gas leakage, alarm signal uploads to well head step by step, when alarm signal is delivered to blower fan transmission cabinet, relaying blower fan that can Temporarily Closed blower fan transmission cabinet.
Further technical scheme is that described gas leakage signal output part VOUT2 signal output part is connected with radiofrequency launcher, and gas leakage signal input part VIN2 is connected with radio frequency receiver.
Further technical scheme is that described steel sleeper upper end has one group of locating hole and communicates with described conveyance conduit, locating hole place is provided with spring block, this spring block is connected with described conveyance conduit through spring, and spring promotes spring block and closes described locating hole;
Described conveyance conduit is provided with the downward pushing block mechanism of direction, and pushing block mechanism comprises standpipe, and this standpipe upper end communicates with conveyance conduit, and standpipe lower end is welded with push pedal through pillar, and described push pedal is stretched into after described locating hole, pushes described spring block open;
Air supply duct is provided with the downward pushing block mechanism of direction, and pushing block mechanism comprises standpipe, and this standpipe upper end communicates with air supply duct, and standpipe lower end is welded with push pedal through pillar, and described push pedal is stretched into after described locating hole, pushes described spring block open.
Adopt said structure, make steel sleeper and conveyance conduit, air supply duct closed butt joint, and do not insert before track, steel sleeper can be airtight intact.
Further technical scheme is that the upper end of described locating hole is provided with sealing ring.
Adopt said structure, strengthen sealing effectiveness.
Beneficial effect: adopt the underground orbit air-supply detection system of above technical scheme, utilize the track all possessing in mine to set up air supply system, hiddenly do not take up space, efficiently utilize rail system, track is laid on limit, can blow in limit; Can also check at any time that whether pipeline is leaky, when carrying out line maintenance, bulb is lighted easily and is found, and just can find in time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of figure A-A face;
Fig. 3 is the local enlarged diagram of B part in Fig. 2;
Fig. 4 is the structural representation of steel sleeper (1) in Fig. 3;
Fig. 5 is the structural representation of Pressure monitoring transmission cabinet;
Fig. 6 is the structural representation of air-supply transmission cabinet;
Fig. 7 is the circuit theory diagrams of air-supply observation circuit (13);
Fig. 8 is the circuit theory diagrams of air-supply observation circuit (13) relay J K3 control section.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figures 1 to 6, a kind of underground orbit air-supply detection system, comprise two groups of parallel tracks 4, it is characterized in that: these track 4 cross sections become " mountain " shape, in the middle of it, it is roller slide rail, the right and left is conveyance conduit 6, the sleeper at every described track 4 two ends is steel sleeper 1, in steel sleeper 1, having hollow passageway 3 communicates with described conveyance conduit 6, between adjacent two steel sleepers 1, be provided with a transmission cabinet 8, transmission cabinet 8 is divided into blower fan transmission cabinet and Pressure monitoring transmits two kinds, cabinet, while arranging along track 4, between between every two blower fans transmission cabinet, be separated with N Pressure monitoring transmission cabinet, in described transmission cabinet 8, be provided with air supply duct 9, air supply duct 9 is communicated with described hollow passageway 3, the aboveground end of described air supply duct 9 communicates with the track 4 of aboveground direction, the downhole end of air supply duct 9 and downhole to track 4 communicate, in the air supply duct 9 of blower fan transmission cabinet, relaying blower fan 5a is installed, Pressure monitoring transmission cabinet is provided with pressure sensor 17, air supply duct 9 downhole end in Pressure monitoring transmission cabinet are provided with main valve 2a, and described main valve 2a and pressure sensor 17 are connected on air-supply observation circuit 13.Conventional rails structure is changed a little, by solid rail and solid sleeper, changed into passage that can conveying objects, in mine, all places that are equipped with this track, can transmit, air-supply.Facilitate hiddenly, save space, efficiently utilize.The observation circuit 13 of blowing in the present embodiment is fixed on the inwall of transmission cabinet 8.Two air-supplies transmit between cabinet N Pressure monitoring transmission cabinet can be set.N is positive integer, can be 1,2,5 etc.
Described main valve 2a is normally open solenoid valve, and when pipeline does not have fault, while normally working, main valve 2a often leaves, and makes the air-supply that pipeline is unobstructed; While breaking down, close corresponding main valve 2a.Described relaying blower fan 5a is DC fan, safer with direct current under mine.Described transmission cabinet 8 outer walls are also provided with bulb LAMP, and described bulb LAMP and described main valve 2a string are on same air-supply observation circuit 13.If there is fault in pipeline, bulb, with main valve same current supply circuit, can be opened transmission cabinet and just can know the state of main valve.
Described steel sleeper 1 upper end has one group of locating hole 10 and communicates with described conveyance conduit 6, locating hole 10 places are provided with spring block 18, this spring block 18 is connected with described conveyance conduit 6 through spring 5, and spring 5 promotes spring block 18 and closes described locating hole 10;
Described conveyance conduit 6 is provided with the downward pushing block mechanism of direction, pushing block mechanism comprises standpipe 7, and these standpipe 7 upper ends communicate with conveyance conduit 6, and standpipe 7 lower ends are welded with push pedal 15 through pillar, described push pedal 15 is stretched into after described locating hole 10, pushes described spring block 18 open;
Air supply duct 9 is provided with the downward pushing block mechanism of direction, and pushing block mechanism comprises standpipe 7, and these standpipe 7 upper ends communicate with air supply duct 9, and standpipe 7 lower ends are welded with push pedal 15 through pillar, and described push pedal 15 is stretched into after described locating hole 10, pushes described spring block 18 open.The pushing block mechanism of conveyance conduit 6 and the pushing block mechanism of air supply duct 9, structure is identical.
As shown in Figure 7, a kind of circuit theory diagrams of air-supply observation circuit of underground orbit air-supply detection system.In described air-supply observation circuit, be provided with pressure sensor A1, pressure sensor A1 input connects respectively power supply VCC and ground, this pressure sensor A1 the first output termination amplifier U3 positive input, pressure sensor A1 the second output termination amplifier U4 positive input, amplifier U3 output connects amplifier U3 reverse input end through resistance R 11, amplifier U4 output connects amplifier U4 reverse input end through resistance R 12, between amplifier U3 reverse input end and amplifier U4 reverse input end, by slide rheostat R10, be connected, amplifier U3 output connects amplifier U5 positive input through resistance R 13, amplifier U4 output connects amplifier U5 reverse input end through resistance R 14, amplifier U5 positive input is also through resistance R 16 ground connection, amplifier U5 output connects amplifier U5 reverse input end through resistance R 17, amplifier U5 output also connects comparator U6 reverse input end.Wherein amplifier U3, amplifier U4 form with being in parallel differential amplifier, this structure contributes to cancelling each other of imbalance and drift impact, amplifier U5 is connected into differential type input, not only can cut off the transmission of common-mode signal, the two ends output of amplifier U3, amplifier U4 can also be become to Single-end output.This circuit has that input impedance is high, gain-adjusted is convenient, drift mutually compensation and output containing series of advantages such as common-mode signals.Can from high common-mode signal background, monitor out faint useful signal.
Comparator U6 positive input meets power supply VCC through resistance R 18, through resistance R 19 ground connection; The output of comparator U6 is connected with the base stage of triode D11, the grounded emitter of triode D11, and the coil of the colelctor electrode string relay J K3 of triode D11 meets power supply VCC, and the normal open switch string of relay J K3 is in the current supply circuit of main valve 2a and bulb LAMP.Triode D11 cut-off when comparator U6 output end voltage is low level, when the voltage of comparator U6 output becomes high level trigger triode D11, the collector and emitter conducting of triode D11, so relay J K3 starts working, normal open switch is closed, thereby the main valve 2a often opening is closed.The other all right parallel diode D16 of relay J K3, holding circuit.
The output of described comparator U6 is also connected with the positive pole of diode D15, and the negative pole of D15 connects the base stage of triode D13, and the colelctor electrode of triode D13 meets power supply VCC, and the emitter stage of triode D13 passes through resistance R 26, resistance R 27 ground connection successively; The base stage of triode D13 also meets power supply VCC through diode D17, and the positive pole of diode D17 is connected with the base stage of triode D13, and the base stage of triode D13 is also passed through capacitor C 2 ground connection.
In adjacent Pressure monitoring transmission cabinet, the described resistance R 26 of the air-supply observation circuit 13 of down-hole one-level and the common port of resistance R 27 are gas leakage signal output part VOUT2, aboveground one-level air-supply observation circuit 13 is provided with comparator U7, the gas leakage signal input part VIN2 that the positive input of this comparator U7 is aboveground one-level, the gas leakage signal input part VIN2 of upper level is connected with the gas leakage signal output part VOUT2 of down-hole one-level, the reverse input end of comparator U7 connects comparative voltage, the base stage of triode D13 described in the output termination of comparator U7.The reverse input end physical circuit of comparator U7 can be: the reverse input end of comparator U7 is through resistance R 28 ground connection, and the reverse input end of comparator U7 also connects the output of comparator U7 through resistance R 29, resistance R 29 two ends shunt capacitance C3.
Operating principle of the present utility model is:
Normal condition lower railway is connected with the blower fan of well head, and starts each relaying blower fan 5a on the way, and keep watch and send into the bosom of track, now, and each relaying blower fan 5a work, each main valve 2a opens.When between certain track section or rail, pipeline 9 leaks, and at its nearest pressure sensor monitoring, to pressure, loses, and controls main valve 2a at the corresponding levels and closes, and indicator lamp LAMP reports to the police, and uploads gas leakage information.
Finally it should be noted that; foregoing description is only preferred embodiment of the present utility model; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite without prejudice to the utility model aim and claim; can make like multiple types and representing, within such conversion all falls into protection domain of the present utility model.
Claims (8)
1. underground orbit air-supply detection system, comprise two groups of parallel tracks (4), it is characterized in that: this track (4) cross section becomes " mountain " shape, in the middle of it, it is roller slide rail, the right and left is conveyance conduit (6), the sleeper at every described track (4) two ends is steel sleeper (1), in steel sleeper (1), having hollow passageway (3) communicates with described conveyance conduit (6), between adjacent two steel sleepers (1), be provided with a transmission cabinet (8), transmission cabinet (8) is divided into blower fan transmission cabinet and Pressure monitoring transmits two kinds, cabinet, while arranging along track (4), between between every two blower fans transmission cabinet, be separated with N Pressure monitoring transmission cabinet, in described transmission cabinet (8), be provided with air supply duct (9), air supply duct (9) is communicated with described hollow passageway (3), the aboveground end of described air supply duct (9) communicates with the track (4) of aboveground direction, the downhole end of air supply duct (9) and downhole to track (4) communicate,
In the air supply duct (9) of blower fan transmission cabinet, relaying blower fan (5a) is installed; Pressure monitoring transmission cabinet is provided with pressure sensor (17); Air supply duct (9) downhole end in Pressure monitoring transmission cabinet is provided with main valve (2a), and described main valve (2a) and pressure sensor (17) are connected on air-supply observation circuit (13).
2. underground orbit air-supply detection system according to claim 1, is characterized in that: described main valve (2a) is normally open solenoid valve, and relaying blower fan (5a) is DC fan.
3. underground orbit air-supply detection system according to claim 2, it is characterized in that: described transmission cabinet (8) outer wall is also provided with bulb (LAMP), described bulb (LAMP) and described main valve (2a) string are on same air-supply observation circuit (13).
4. underground orbit air-supply detection system according to claim 3, it is characterized in that: in described air-supply observation circuit (13), be provided with pressure sensor A1, pressure sensor A1 input connects respectively power supply VCC and ground, this pressure sensor A1 the first output termination amplifier U3 positive input, pressure sensor A1 the second output termination amplifier U4 positive input, amplifier U3 output connects amplifier U3 reverse input end through resistance R 11, amplifier U4 output connects amplifier U4 reverse input end through resistance R 12, between amplifier U3 reverse input end and amplifier U4 reverse input end, by slide rheostat R10, be connected, amplifier U3 output connects amplifier U5 positive input through resistance R 13, amplifier U4 output connects amplifier U5 reverse input end through resistance R 14, amplifier U5 positive input is also through resistance R 16 ground connection, amplifier U5 output connects amplifier U5 reverse input end through resistance R 17, amplifier U5 output also connects comparator U6 reverse input end, comparator U6 positive input meets power supply VCC through resistance R 18, through resistance R 19 ground connection, the output of comparator U6 is connected with the base stage of triode D11, the grounded emitter of triode D11, the coil of the colelctor electrode string relay J K3 of triode D11 meets power supply VCC, and the normal open switch string of relay J K3 is in the current supply circuit of main valve (2a) and bulb (LAMP).
5. underground orbit air-supply detection system according to claim 4, it is characterized in that: the output of described comparator U6 is also connected with the positive pole of diode D15, the negative pole of D15 connects the base stage of triode D13, the colelctor electrode of triode D13 meets power supply VCC, and the emitter stage of triode D13 passes through resistance R 26, resistance R 27 ground connection successively;
In adjacent Pressure monitoring transmission cabinet, the described resistance R 26 of air-supply observation circuit (13) of down-hole one-level and the common port of resistance R 27 are gas leakage signal output part VOUT2, aboveground one-level air-supply observation circuit (13) is provided with comparator U7, the gas leakage signal input part VIN2 that the positive input of this comparator U7 is aboveground one-level, the gas leakage signal input part VIN2 of upper level is connected with the gas leakage signal output part VOUT2 of down-hole one-level, the reverse input end of comparator U7 connects comparative voltage, the base stage of triode D13 described in the output termination of comparator U7.
6. underground orbit air-supply detection system according to claim 5, is characterized in that: described gas leakage signal output part VOUT2 signal output part is connected with radiofrequency launcher, and gas leakage signal input part VIN2 is connected with radio frequency receiver.
7. underground orbit air-supply detection system according to claim 1, it is characterized in that: described steel sleeper (1) upper end has one group of locating hole (10) and communicates with described conveyance conduit (6), locating hole (10) locates to be provided with spring block (18), this spring block (18) is connected with described conveyance conduit (6) through spring (5), and spring (5) promotes spring block (18) and closes described locating hole (10);
Described conveyance conduit (6) is provided with the downward pushing block mechanism of direction, pushing block mechanism comprises standpipe (7), this standpipe (7) upper end communicates with conveyance conduit (6), standpipe (7) lower end is welded with push pedal (15) through pillar, described push pedal (15) is stretched into after described locating hole (10), pushes described spring block (18) open;
Air supply duct (9) is provided with the downward pushing block mechanism of direction, pushing block mechanism comprises standpipe (7), this standpipe (7) upper end communicates with air supply duct (9), standpipe (7) lower end is welded with push pedal (15) through pillar, described push pedal (15) is stretched into after described locating hole (10), pushes described spring block (18) open.
8. underground orbit air-supply detection system according to claim 7, is characterized in that: the upper end of described locating hole is provided with sealing ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373811.1U CN204002887U (en) | 2014-07-08 | 2014-07-08 | Underground orbit air-supply detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373811.1U CN204002887U (en) | 2014-07-08 | 2014-07-08 | Underground orbit air-supply detection system |
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| Publication Number | Publication Date |
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| CN204002887U true CN204002887U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420373811.1U Expired - Fee Related CN204002887U (en) | 2014-07-08 | 2014-07-08 | Underground orbit air-supply detection system |
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| CN (1) | CN204002887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368728A (en) * | 2016-11-30 | 2017-02-01 | 四川有色金砂选矿药剂有限公司 | Air supply device for mines |
-
2014
- 2014-07-08 CN CN201420373811.1U patent/CN204002887U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368728A (en) * | 2016-11-30 | 2017-02-01 | 四川有色金砂选矿药剂有限公司 | Air supply device for mines |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160708 |