CN2787831Y - Coal sawing machine with chain cable for coal mining face - Google Patents
Coal sawing machine with chain cable for coal mining face Download PDFInfo
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- CN2787831Y CN2787831Y CN 200520024088 CN200520024088U CN2787831Y CN 2787831 Y CN2787831 Y CN 2787831Y CN 200520024088 CN200520024088 CN 200520024088 CN 200520024088 U CN200520024088 U CN 200520024088U CN 2787831 Y CN2787831 Y CN 2787831Y
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- coal
- drive motors
- sawing machine
- chain
- clutch drive
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Abstract
The utility model provides a coal sawing machine with chain cables for a coal mining face and relates to a coal mining device under a coal mine. The utility model aims at the problems that medium and small coal mines adopts a drilling explosion way for coal mining without special matching coal mining devices, the production carbon amount of the coal seam of a coal extracting face is relatively low and the block carbon content after explosion is relatively low. The coal sawing machine with the chain cables for the coal mining face comprises two dispatching hauling winches. Both ends of a clutch ring of each dispatching hauling winch are fixed with screw nuts. The screw nuts of both ends of the clutch ring are sheathed with rotary shafts, wherein the upper parts of the rotary shafts are provided with positive rotation threads and the lower parts are provided with reverse rotation threads. The rotary shafts are driven by clutch driving motors fixed on the bases of the dispatching hauling winches. Chain cables on the two dispatching hauling winches are connected with both ends of chain saw teeth. The utility model also comprises a dispatching hauling winch motor and a control circuit of the clutch driving motor. The coal sawing machine with the chain cables for the coal mining face can easily cut bottom raking grooves under the coal seam. The falling distance of the coal seam in the explosion can be increased, the production carbon amount of the coal seam can be increased and simultaneously the production of block coal can be increased.
Description
Technical field
The utility model relates to the colliery down-hole coal excavation apparatus, is specially the stope chain rope carbon sawing machine.
Background technology
Large-scale colliery mostly adopts cutting coal machine, development machine to carry out down-hole coal excavation.Cutting coal machine, development machine cost height, the general unable employing of medium and small colliery.Medium and small colliery adopts the perforating explosion to mine usually.Because the perforating blasting coal mining lacks special-purpose supporting coal excavation apparatus, the piece carbon content is less relatively after the relatively low and explosion of stope coal seam carbon yield.
Summary of the invention
The utility model adopts the perforating blasting coal mining not have special-purpose assorted coal excavation apparatus at medium and small colliery, and the less relatively problem of piece carbon content after the relatively low and explosion of stope coal seam carbon yield provides a kind of stope chain rope carbon sawing machine.
The utility model is to adopt following technical scheme to realize: the stope chain rope carbon sawing machine, comprise two scheduling winch (also claiming hoist engine), the clutch circle two ends of every scheduling winch are fixed with nut, it is that dextrorotation screw thread, bottom are in the rotating shaft of derotation screw thread that the nut at clutch circle two ends is placed in top, and the clutch drive motors that rotating shaft is fixed on the scheduling winch base drives; Two chain ropes of dispatching on the winch link to each other with the two ends of chain rack saw; The control circuit that also comprises scheduling winch motor and clutch drive motors.
Scheduling winch (also claiming hoist engine) is existing known products, is used for the lifting of weight in building and other field.During use, a scheduling winch in this saw charcoal machine is installed on the air intake lane of stope, at the another side of stope another scheduling winch is installed, and two ends are positioned at bottom with the chain rack saw that two chain ropes of dispatching on the winch link to each other.Under the control of control circuit, make the clutch motor time-delay on the scheduling winch of an end just change (stopping after promptly rotating a period of time) earlier, the clutch motor-driven rotatable shaft is just changeed, two nuts in the rotating shaft are moved dorsad, thereby the clutch circle is opened, and the circle tube of this scheduling winch separates with transmission mechanism and is in driven state; The scheduling winch motor of the other end is rotated, make the clutch motor time-delay counter-rotating on this end scheduling winch subsequently, the counter-rotating of clutch motor-driven rotatable shaft, make two nut move toward one another in the rotating shaft, thereby the clutch circle is tightened, this scheduling winch motor drives the rotation of circle tube by transmission mechanism and curls up chain rope on it, drives the chain rack saw to this lateral movement.Make the scheduling winch motor stall of this end subsequently, the clutch circle unclamps (time-delay of clutch motor is just changeed), and the scheduling winch motor of the other end rotates, and the clutch circle tightens (clutch motor time-delay counter-rotating), and the chain rack saw moves to opposite side.Like this alternate run, the chain rack saw forms and moves back and forth, and saws out the groove of feeling out at bottom, and evenly hole placing above the coal seam of saw is not fired to pressing down, and utilizes nature of coal seam gravity, makes that the coal seam is downward freely strides.Use this saw charcoal machine easily under the coal seam, to saw out the groove of feeling out, increase the whereabouts in coal seam when blowing out, improved the carbon yield in coal seam, increased the output of piece charcoal simultaneously.
From the above-mentioned course of work as can be seen, the control circuit of described scheduling winch motor and clutch drive motors is exactly the scheduling winch motor and the alternately time-delay operation of clutch drive motors at control two ends, to realize the reciprocating motion of chain rack saw.To the technician of electric control field, the structure of above-mentioned control circuit be realize very easily and multiple different circuit structure can be arranged.Therefore the utility model in independent claims not the structure to control circuit be described in detail; In Figure of description, provided a kind of physical circuit schematic diagram of control circuit, and in the specific embodiment, be described in detail.
The utility model has provided that a kind of special-purpose assorted coal excavation apparatus of perforating blasting coal mining---the stope chain rope carbon sawing machine is specially adapted to medium and small colliery.Adopt this stope chain rope carbon sawing machine easily under the coal seam, to saw out the groove of feeling out, increase the whereabouts in coal seam when blowing out, improved the carbon yield in coal seam, increased the output of piece charcoal simultaneously.This saw charcoal machine reasonable in design, novelty.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the clutch circle on the scheduling winch;
Fig. 3 is a kind of concrete drives structure schematic diagram of clutch circle;
Fig. 4 is the control circuit schematic diagram of scheduling winch motor and clutch drive motors;
Fig. 5 is controlled startup, the vehicle-parking circuit schematic diagram of scheduling winch motor and clutch drive motors;
Fig. 6 is the user mode figure of saw charcoal machine;
Fig. 7 is the housing scheme of installation of control circuit;
Fig. 8 is the structural representation of chain rack saw;
Fig. 9 is the sectional drawing of Fig. 8;
The specific embodiment
The stope chain rope carbon sawing machine, comprise two scheduling winch 1,2, clutch circle 3 two ends of every scheduling winch are fixed with nut 4,5, it is that dextrorotation screw thread, bottom are in the rotating shaft 6 of derotation screw thread that the nut 4,5 at clutch circle two ends is placed in top, and the clutch drive motors 7 that rotating shaft 6 is fixed on the scheduling winch base drives; Two chain ropes of dispatching on the winch 8,9 link to each other with the two ends of chain rack saw 10; The control circuit that also comprises scheduling winch motor and clutch drive motors.Described chain rack saw 10, as long as on it land is arranged, can broach to the coal seam in the reciprocating motion process gets final product.
Clutch drive motors 7 is fixed in the housing 11, and the output axle head of clutch drive motors is connected with reducer 12, the output axle head of reducer 12 with connects through the connecting shaft cover 13 of bearing activity orientation on housing 11, rotating shaft 6 is overlapped 13 with connecting shaft and is connected.Clutch drive motors 7 drives rotating shaft 6 through reducer and shaft joint.Housing 11 is fixed on the base of scheduling winch.The clutch drive motors adopts above-mentioned transmission mechanism to drive rotating shaft 6, and structure is simple relatively, reasonable, moves more reliable.Clutch drive motors 7 also can be realized the driving of countershaft 6 by other known transmission mechanism.
The control circuit of scheduling winch motor and clutch drive motors comprises transformer BYQ and programmable logic controller PLC, 24 volts of outputs of transformer BYQ are connected with rectification circuit, rectification circuit output end is connected with the start-stop control loop that is formed by relay K A, startup button SW1 and the SW2 that stops key serial connection, the cathode output end of rectification circuit links to each other with the unlatching input of programmable logic controller PLC through the constant open contact KA-3 of relay K A, and 220 volts of outputs of transformer BYQ are powered to programmable logic controller PLC through constant open contact KA-1, the KA-2 of relay K A; Be connected with forward and backward control relay J1, the J2 of a scheduling winch motor, forward and backward control relay J3, J4 and forward and backward control relay J5, the J6 of another scheduling winch motor, forward and backward control relay J7, the J8 of clutch drive motors of clutch drive motors between each output of programmable logic controller PLC and the cathode output end of rectification circuit; Input at programmable logic controller PLC is connected with electronics rotating distance switch XC1, XC2, XC3, the XC4 that is stopped by the control clutch drive motors forward and backward of rectification circuit power supply, and electronics rotating distance switch XC1, XC2, XC3, XC4 are individually fixed on the connecting shaft cover 13; The constant open contact of control relay J1, J2, J3, J4, J5, J6, J7, J8 is connected to the forward and backward of the control frequency converter of scheduling winch motor 1M1,2M1 and clutch drive motors 1M2,2M2 and controls on the line end.During work, press and start button SW1, relay K A is charged and by being parallel to the constant open contact KA-4 self-locking that starts button SW1 two ends, the constant open contact KA-1 of relay K A, KA-2, the KA-3 closure, programmable logic controller PLC is powered and starts, within it under the support of software, make control relay J7 charged earlier, its constant open contact J7-1 closure, clutch drive motors 2M2 is just changeing until changeing enough number of turns of setting, and parking (promptly is subjected to the control of electronics rotating distance switch XC1 under the control of electronics rotating distance switch XC1, programmable logic controller PLC makes control relay J7 dead electricity), the clutch circle of this side scheduling winch is opened, make control relay J1 charged again, its constant open contact J1-1 closure, the scheduling winch motor 1M1 of opposite side starts, control relay J4 is charged, its constant open contact J4-1 closure, clutch drive motors 1M2 counter-rotating is until changeing enough number of turns of setting, and parking (promptly is subjected to the control of electronics rotating distance switch XC4 under the control of electronics rotating distance K switch C4, programmable logic controller PLC makes control relay J4 dead electricity), the clutch circle of this side scheduling winch is tightened, thereby drive the chain rack saw to this lateral movement.In like manner, programmable logic controller PLC is the charged dead electricity of control relay J3, charged, the charged dead electricity of J8 of J5 successively, moves to other direction thereby finish the chain rack saw.Programmable logic controller PLC repeats the above-mentioned course of work under the support of corresponding software, realize the reciprocating motion of chain rack saw.
Between the current input terminal of the cathode output end of rectification circuit and each control relay J1, J2, J3, J4, J5, J6, J7, J8, be connected with by constant close contact KA-5, the KA-6 of relay K A respectively with the manual control loop of button K1, K2, K3, K4, K5, K6, K7, K8 serial connection.Under relay K A power failure state, can realize dispatching the manual control of winch motor and clutch drive motors forward and backward by control button K1, K2, K3, K4, K5, K6, K7, K8, to satisfy the needs of practical operation.
Above-mentioned control circuit is divided in a plurality of explosion-proof casings (as shown in Figure 7), connects by cable between each explosion-proof casing.
On the current supply circuit of control relay J1, J2, J3, J4, J5, J6, J7, J8, be connected with emergency stop push button K9, K10.
Claims (5)
1, a kind of stope chain rope carbon sawing machine, it is characterized by: comprise two scheduling winch (1,2), clutch circle (3) two ends of every scheduling winch are fixed with nut (4,5), it is that dextrorotation screw thread, bottom are in the rotating shaft (6) of derotation screw thread that the nut at clutch circle two ends (4,5) is placed in top, and the clutch drive motors (7) that rotating shaft (6) is fixed on the scheduling winch base drives; Two chain ropes of dispatching on the winch (8,9) link to each other with the two ends of chain rack saw (10); The control circuit that also comprises scheduling winch motor and clutch drive motors.
2, stope chain rope carbon sawing machine as claimed in claim 1 is characterized by: chain rack saw (10) is welded with land for being interval with the cylinder of cannelure on it in cannelure.
3, stope chain rope carbon sawing machine as claimed in claim 1 or 2, it is characterized by: clutch drive motors (7) is fixed in the housing (11), the output axle head of clutch drive motors is connected with reducer (12), the output axle head of reducer (12) with connect through the connecting shaft cover (13) of bearing activity orientation on housing (11), rotating shaft (6) is connected with connecting shaft cover (13).
4, stope chain rope carbon sawing machine as claimed in claim 1 or 2, it is characterized by: the control circuit of scheduling winch motor and clutch drive motors comprises transformer (BYQ) and programmable logic controller (PLC), 24 volts of outputs of transformer (BYQ) are connected with rectification circuit, rectification circuit output end is connected with by relay (KA), the start-stop control loop that the startup button (SW1) and (SW2) serial connection that stops key form, the cathode output end of rectification circuit links to each other with the unlatching input of programmable logic controller (PLC) through the constant open contact (KA-3) of relay (KA), and 220 volts of outputs of transformer (BYQ) are through the constant open contact (KA-1 of relay (KA), KA-2) power to programmable logic controller (PLC); Be connected with the forward and backward control relay (J1, J2) of a scheduling winch motor, the forward and backward control relay (J3, J4) of clutch drive motors and the forward and backward control relay (J5, J6) of another scheduling winch motor, the forward and backward control relay (J7, J8) of clutch drive motors between each output of programmable logic controller (PLC) and the cathode output end of rectification circuit; Input at programmable logic controller (PLC) is connected with the electronics rotating distance switch (XC1, XC2, XC3, XC4) that is stopped by the control clutch drive motors forward and backward of rectification circuit power supply, and electronics rotating distance switch (XC1, XC2, XC3, XC4) is individually fixed on the connecting shaft cover (13); The constant open contact of control relay (J1, J2, J3, J4, J5, J6, J7, J8) is connected to the forward and backward of the control frequency converter of scheduling winch motor (1M1,2M1) and clutch drive motors (1M2,2M2) and controls on the line end.
5, stope chain rope carbon sawing machine as claimed in claim 4, it is characterized by: between the current input terminal of the cathode output end of rectification circuit and each control relay (J1, J2, J3, J4, J5, J6, J7, J8), be connected with respectively and the manual control loop of button (K1, K2, K3, K4, K5, K6, K7, K8) serial connection by the constant close contact (KA-5, KA-6) of relay (KA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024088 CN2787831Y (en) | 2005-05-15 | 2005-05-15 | Coal sawing machine with chain cable for coal mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024088 CN2787831Y (en) | 2005-05-15 | 2005-05-15 | Coal sawing machine with chain cable for coal mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2787831Y true CN2787831Y (en) | 2006-06-14 |
Family
ID=36786126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520024088 Expired - Fee Related CN2787831Y (en) | 2005-05-15 | 2005-05-15 | Coal sawing machine with chain cable for coal mining face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2787831Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236288A (en) * | 2015-10-26 | 2016-01-13 | 黑龙江科技大学 | Electrical control system for wire saw coal mining |
| CN114160891A (en) * | 2021-12-20 | 2022-03-11 | 哈尔滨学院 | Furniture design plate cutting device and cutting method thereof |
| CN115255499A (en) * | 2022-08-09 | 2022-11-01 | 交通运输部上海打捞局 | Method for cutting sunken ship by using hard alloy brazing bead wire saw |
-
2005
- 2005-05-15 CN CN 200520024088 patent/CN2787831Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236288A (en) * | 2015-10-26 | 2016-01-13 | 黑龙江科技大学 | Electrical control system for wire saw coal mining |
| CN114160891A (en) * | 2021-12-20 | 2022-03-11 | 哈尔滨学院 | Furniture design plate cutting device and cutting method thereof |
| CN115255499A (en) * | 2022-08-09 | 2022-11-01 | 交通运输部上海打捞局 | Method for cutting sunken ship by using hard alloy brazing bead wire saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060614 |