Face equipment for mining face

FIELD: mining.

SUBSTANCE: equipment consists of electric-hydraulic driven sections of lining with corresponding facility for lining control. Additionally, there is foreseen at least one doubled block of power source, which provides current for at least two means of lining control of different sections of lining independently from each other. A double-sided element of communication is installed between the power source block and at least two means of lining control; this element performs galvanic separation between the power source block and means of lining control and/or groups of means of lining control. Also the element of communication forms a galvanic separated data transmitting channel which facilitates communicating between two means of lining control and/or groups of means of lining control. Notably, double-sided element of communication is in-built into the power source block or is flange mounted directly on the case of power source block.

EFFECT: simplification of design of face equipment.

4 cl, 2 dwg

 

The invention relates to downhole equipment for stope underground mining.

From DE 19528644 A1 it is known downhole equipment with multiple shields. Each of the shields corresponds to one device management support, coupled with the control line for valves and sensors. All or only specific device management support has a built-in unit in the form of a computing unit to use the control line can be processed signals from the sensors and to carry out by means of valves and hydraulic system of shields functions of shields, such as removing, installing, moving and shifting of the conveyor. Additionally, each shield section has a lamp that serves to illuminate the face, which is suspended in the housing with gazobetona or special protective sealing. For group automatic controls embedded computing unit is aligned with one of the shields, and he is together with a lamp in one gazobetona or specially protected housing. Computing unit is connected to is also located in the housing of the power unit, which converts supplied to the lamp, which can be made as energy-saving lamp with power supply 230 V, input voltage 230 volts 12 volts, since the corresponding rules of the Veda the Oia mining controls shall acrobatpro operate voltage, for example, 12 volts. The body of the shields, or located in them a power supply or lamp connected to each other through an electric cable for 230 volts and suitable gazobetona or specially protected plug-in system for data transmission and energy. Computing unit, an upper-level (parent) group automatic controls associated with series connected control devices support through wiring for data transmission and energy supply.

In another used in underground mining downhole equipment to groups of control devices lining, equipped with a computing unit, connected to the parent device processing, which assumes galvanic isolation between power supply and control devices shoring or groups of devices management support is required for intrinsic safety downhole equipment. In such a device separate device management support is dependent on the parent computer that management support can be disadvantageous. In addition, there are high hardware costs, because you need as computational blocks for individual control devices support, and a superior computer.

Finally, in the prior art it is known corresponding to the generic concept the downhole equipment, as it is shown in figure 2. Figure 2 shows the block 1 power supply, which is designed as the dual power supply for intrinsically safe supply of two lines or groups I, II devices 6-management support. Unit 1 power associated with bilateral element 2 connection via two connecting cable 3, designed as a hose cable for underground use, and shown through suitable connectors. Slot 4 connection block 1 power applied input voltage 230 volts, which is converted to AC power intrinsically safe voltage, here are 12 volts. Bilateral element 2 connection through wiring 5 is connected with the two groups I, II devices 6-management support in various power supply lines of the double block 1 power supply. Using each device 6 management support may be processed or adjusted touch and hydraulic system not shown here, the electro-hydraulic roof support section, and each device 6 management support is connected for this to also not shown control line for sensors and valves of the respective shield.

The basis of the invention lies in the task of providing downhole equipment, which simplifies the above-described structure.

Problem solved downhole equipment to the distinctive features of paragraph 1 of the claims. Due vstra is of bilateral coupling element in the power supply or the power supply chassis, you can save on wiring, which otherwise must be provided for connection between the terminals of the power supply and two-way communication. In addition, you can save on a separate bilateral relationship item per se, because the embedding of the coupling element in the power supply may not affect the price. Device management support can be directly connected to the power supply. Bilateral coupling element provides the connection between connected to the coupling element groups of control devices support, while they are galvanically separated from one another. Moreover, the bilateral element of communication, built-in power supply or preplechovany directly to the power supply chassis, provides galvanic isolation between supply electricity from the power supply device management support or group of devices management support.

In one preferred embodiment, the power supply contains a module (standard unit), as, for example, computing unit, which together with the device management support is in the data transmission channel to apply for device management support information about the current energy consumption, peak current, voltage, etc. depending on the information these devices can actively negotiate due to the existing races is oragene their energy management features, so the bottom manages the cargo.

Preferably the power unit is connected with one shield section, and the power supply together with a lamp for illumination of the face can be placed in one housing with gazobetona or with special protective sealing. Light, or more precisely the power supply is preferably connected to an electric power source with an input voltage of 230 volts. The power supply converts the voltage to 12 volts, so that bilateral battery and device management support acrobatpro loaded voltage of 12 volts.

Hereinafter the invention will be described in more detail by means of a variant of implementation, is schematically represented in the drawings, which depict:

Figure 1: corresponding to the invention downhole equipment with power supply with built-in two-way communication; and

Figure 2: downhole equipment known from the prior art.

Figure 1 shows the corresponding invention double block 11 power supply with built-in block 11 of the bilateral power element 12 due to power groups I, II devices 6-management support. As you can see from comparison with figure 2, by embedding the connection element 12 in the block 11 power save on both required in the prior art connecting cables 3, together with the related special and connecting plugs. Double block 11 power supply for intrinsically safe power supply is made with two lines or groups I, II devices 6-management support. Slot 4 network connection unit 11 supply input voltage 230 volts, which is in block 11 of the power is converted into an intrinsically safe voltage, here are 12 volts.

Bilateral connection element 12 through the wiring 5 is connected with the two groups I, II devices 6-management support in a variety of lines of the power supply dual unit 11 of the power supply. Using each device 6 management support may be processed or adjusted touch and hydraulic system not shown here, the electro-hydraulic roof support section, and each device 6 management support is connected for this to also not shown here, the control line for sensors and valves of the respective supports.

Through bilateral element 12 communication device 6 management of both groups I, II safety education sparks supplied with current from a 12 volt unit 11 of the power supply. Both wiring 5 are used for both power and data, and the bilateral connection element 12 provides communication between the devices 6-management support in both groups I, II by posting 5. This bilateral connection element 12 performs simultaneously the function of a galvanic isolation between the block 11 power and what tristani 6-management support or in groups I, II devices 6 management support.

Each group I, II devices 6-management support includes other connected device management support that is shown through dotted lines wiring 7 for power and data, so that the block 11 power through bilateral connection element 12 is associated with a number of devices 6-management support. A separate device 6 management support or group I, II energetically and galvanically separated from the block 11 power.

Unit 11 power two-way connection element 12 preferably placed in a single housing 8 with gazobetona or special protective sealing.

Not shown that bilateral coupling element may also not be a separate structural element and/or may be directly shemotehnicheski built-in power supply or only prepracovan directly to the power supply chassis. In addition, not shown, the power supply can be equipped with an intelligent control unit, in particular computational unit, so that it is possible to transmit information about the instantaneous electricity consumption, peak current, voltage, etc. to achieve the active characteristics of the device management management support.

1. Downhole equipment for stope underground mining, including the surrounding in itself electro-hydraulic powered roof support section with the appropriate device (6) management support, moreover, provided at least one power supply that has the ability to provide current, at least two devices (6) management support different shields, and between the power supply and at least two devices (6) management support included bilateral coupling element, which provides galvanic isolation between power supply and devices (6) management support and/or groups (I, II) device (6) management support and provides a link between two devices (6) management support and/or groups (I II) device (6) management support, characterized in that the element (12) communication built-in power supply or prepracovan directly to the power supply chassis, and power supply made in the form of dual power supply to at least two devices (6) management support or, respectively, two groups of control devices to provide support independently from each other, the current through the coupling element, and the element (12) communication creates galvanically isolated data transmission channel between the said at least two devices (6) management support or accordingly, groups of devices (6) management support.

2. Downhole equipment according to claim 1, characterized in that the element (12) uses the data channel to the device (6) management support, in order, on the one hand, on rablet information about the current consumption, on the peak values of current, voltage or the like to the device (6) management support and that, on the other hand, to get information from the device management support.

3. Downhole equipment according to claim 1 or 2, characterized in that the power supply is installed in the housing (8) with gazobetona or protective seal.

4. Downhole equipment according to claim 3, characterized in that the built-in power supply element (12) connected location together with a lamp in the housing (8), and the lamp is supplied with power from the power supply.



 

Same patents:

FIELD: mining.

SUBSTANCE: invention relates to control system over underground face support with transport. The control system for underground walking face support consists of transporter, winning machine, plurality of panels each equipped with a block of functional control with a corresponding panel, of a facility connecting control blocks between themselves, of a central station located outside long wall face and communicating means for transmitting data between control blocks in the long wall face and the central station outside long wall face. The communicating means include at least one radio transmitting device from the side of the long wall face and one radio transmitting device from the side of the central station with receiving and transmitting modules to facilitate wireless and cable less two-directional data transmitting at the long wall face end.

EFFECT: minimisation of costs for cable laying for underground control system over face support and increase of reliability of face support control.

7 cl, 2 dwg

FIELD: mining.

SUBSTANCE: support control system to control shield support section movement in breakage face of mine contains central device of control (CDC) and set of control units (CU) each of those is located at corresponding section and functionally coupled with this section. At that CU of sections are connected with CDC and between each other with two bus bars and designed so as to facilitate a call of CU of any section from CDC or from CU of the neighbour section to control command input. Also CU of each section is programmed so as to transmit received control commands via the bus bar; the said commands, equipped with a code word assigned to the CU called at that moment, are transmitted to this particular CU for execution. Owing to the second analog bus bar (a parallel one) received signals not equipped with the code word assigned to the CU called at the moment, are transferred to CU of the neighbour section.

EFFECT: upgraded reliability of excavating machine and mechanised support due to safe and trouble free operation of their work with insignificant costs for maintenance.

2 cl, 3 dwg

FIELD: engines and pumps, mining operations.

SUBSTANCE: system composed of hydraulic units for underground mining operations is intended for, particularly, underground working supports, actuators and/or pickups, all of them being encased and interconnected or can be connected, via a data transfer system, to the control unit. Note that every actuator is designed to make every hydraulic unit function operate and/or every pickup is set up to read out the hydraulic conditions at the point of measuring whatever quantity of the walking support. Mind that every actuator (3) and/or sensitive element (7, 8) in its casing (4; 18, 19) are wired to readout unit (20; 30), while hydraulic unit (1) for every function (2) or every point of measurement is connected to data element (12; 13) connected in the circuit to allow a readout unit with a receiver and/or transmitted module (20; 30) to effect a contactless inductive data readout therefrom and to transmit the said data to control unit (6). Data element (12; 13) represents a transponder or a transmitter incorporating a receiver coil. The control unit (6) uses this data via the data transfer system to allow an automatic single-valued identification and reprogramming.

EFFECT: faultless connections.

8 cl, 3 dwg

FIELD: mining.

SUBSTANCE: system includes multiple control units (CU), each positioned at the respective section and functionally conjugated thereto. The CU of each section features multichannel transceiver, whereby a CU communicates to a portable decentralised control device for controlling signal reception and measurement and condition data transmission in the simultaneous transceiving mode. Section CUs are programmed so that controlling signals received by radio are not converted into lining section functions unless the controlling signal carries a code word assigned to the addressed CU. Section CUs are preferably interconnected by two electric buses for transmission of entered data to all section CUs and feature amplifier for restoration of signals received via electric bus.

EFFECT: improved operation reliability of winning machine and powered support due to sustaining safe and fail-proof operation at low cost.

3 cl, 3 dwg

FIELD: mining.

SUBSTANCE: lining sections are connected to an expansion tensioner (ET) conveyor consisting of power cylinders. The lining is equipped with a control system performing data collection and storage and programming continuous concordance of holding force distribution along the breakage face and/or amount of holding forces along the breakage face (total holding force) and/or advancing force distribution along the breakage face at given conveyor position. It allows determining total holding force in respect to the maximum set for it, by ET number, affecting total holding force by axial force adjustment for separate ETs, or affecting total holding force depending on the position of at least one end conveyor section.

EFFECT: minimisation of expansion tensioner number and pressure feeding them at reduced cost.

9 cl, 4 dwg

FIELD: mining.

SUBSTANCE: invention relates to the mining industry and is intended for monitoring movements of sections of the shield support in the working face of the mine. The system has a central control unit (CCU) and a number of peripheral control units (PCU), each of them being located beside the appropriate section and conjugated functionally with the same. PCU of sections are connected with CCU and interconnected by two electric buses so that each PCU can be activated from CCU or from an adjacent PCU for input of a control command. PCU of each section is programmed so as to transmit control commands received through the electric bus provided with a code word assigned to PCU to be activated. Besides PCU of each section has a switch, which enables to disconnect electric buses. By means of the second similar electric bus (the parallel bus) the input signal not provided with the code word assigned to PCU to be activated can be transmitted to PCU of the adjacent section.

EFFECT: safe, trouble-free and reliable operation of the winning machine and the powered support with insignificant expenses for maintenance.

3 cl, 3 dwg

FIELD: mining industry.

SUBSTANCE: method for extraction and underground use of coal includes cleaning extraction and dumping of coal, fixing and controlling ceiling and transporting coal along face to drift. On the drift, in moveable generator, coal is pulverized for intensive burning with use of jets in water boiler firebox, where high temperature of steam is achieved (about 1400 C), enough for decomposition of water on oxygen and hydrogen. These are separated, then oxygen is fed back to jets, and hydrogen is outputted along pipes and hoses in drifts and shaft. Variants of underground generator for realization of this method are provided. Also provided is method for extraction of disturbed coal beds by short faces. It includes extraction and dumping of coal on face conveyor, fixing of ceiling behind combine, moving conveyor line and support sections in direction of cleaning face displacement, control of ceiling with destruction and partial filling. Extraction of coal is performed in short curvilinear faces by long stripes along bed, in straight drive without forwarding drifts, with preservation and reuse of ventilation and conveyor drifts, equipped with mounting manipulator robots, with fixing behind combine by automatically operating support deflectors without unloading and displacing sections in area of coal extraction. Extraction and transporting of coal is performed by fast one-drum combine and curvilinear reloading conveyor, supplying coal to drift conveyor or immediately to underground gas or energy generator placed immediately on drift. Also proposed is face scraper conveyor for realization of said method, wherein pans are made with step along front face profile, greater, than along back one, while forming common line curved towards face with constant curvature. Also proposed is a method for controlling complex for unmanned coal extraction.

EFFECT: higher efficiency, effectiveness, broader functional capabilities.

8 cl, 5 dwg

Shield // 2219344
The invention relates to mining and can be used in mechanized mount Stopes in underground mining

Shield // 2215156
The invention relates to mining and can be used in mechanized mount Stopes in underground mining

Shield // 2215153
The invention relates to mining and can be used in mechanized mount Stopes in underground mining

FIELD: mining industry.

SUBSTANCE: method for extraction and underground use of coal includes cleaning extraction and dumping of coal, fixing and controlling ceiling and transporting coal along face to drift. On the drift, in moveable generator, coal is pulverized for intensive burning with use of jets in water boiler firebox, where high temperature of steam is achieved (about 1400 C), enough for decomposition of water on oxygen and hydrogen. These are separated, then oxygen is fed back to jets, and hydrogen is outputted along pipes and hoses in drifts and shaft. Variants of underground generator for realization of this method are provided. Also provided is method for extraction of disturbed coal beds by short faces. It includes extraction and dumping of coal on face conveyor, fixing of ceiling behind combine, moving conveyor line and support sections in direction of cleaning face displacement, control of ceiling with destruction and partial filling. Extraction of coal is performed in short curvilinear faces by long stripes along bed, in straight drive without forwarding drifts, with preservation and reuse of ventilation and conveyor drifts, equipped with mounting manipulator robots, with fixing behind combine by automatically operating support deflectors without unloading and displacing sections in area of coal extraction. Extraction and transporting of coal is performed by fast one-drum combine and curvilinear reloading conveyor, supplying coal to drift conveyor or immediately to underground gas or energy generator placed immediately on drift. Also proposed is face scraper conveyor for realization of said method, wherein pans are made with step along front face profile, greater, than along back one, while forming common line curved towards face with constant curvature. Also proposed is a method for controlling complex for unmanned coal extraction.

EFFECT: higher efficiency, effectiveness, broader functional capabilities.

8 cl, 5 dwg

FIELD: mining.

SUBSTANCE: invention relates to the mining industry and is intended for monitoring movements of sections of the shield support in the working face of the mine. The system has a central control unit (CCU) and a number of peripheral control units (PCU), each of them being located beside the appropriate section and conjugated functionally with the same. PCU of sections are connected with CCU and interconnected by two electric buses so that each PCU can be activated from CCU or from an adjacent PCU for input of a control command. PCU of each section is programmed so as to transmit control commands received through the electric bus provided with a code word assigned to PCU to be activated. Besides PCU of each section has a switch, which enables to disconnect electric buses. By means of the second similar electric bus (the parallel bus) the input signal not provided with the code word assigned to PCU to be activated can be transmitted to PCU of the adjacent section.

EFFECT: safe, trouble-free and reliable operation of the winning machine and the powered support with insignificant expenses for maintenance.

3 cl, 3 dwg

FIELD: mining.

SUBSTANCE: lining sections are connected to an expansion tensioner (ET) conveyor consisting of power cylinders. The lining is equipped with a control system performing data collection and storage and programming continuous concordance of holding force distribution along the breakage face and/or amount of holding forces along the breakage face (total holding force) and/or advancing force distribution along the breakage face at given conveyor position. It allows determining total holding force in respect to the maximum set for it, by ET number, affecting total holding force by axial force adjustment for separate ETs, or affecting total holding force depending on the position of at least one end conveyor section.

EFFECT: minimisation of expansion tensioner number and pressure feeding them at reduced cost.

9 cl, 4 dwg

FIELD: mining.

SUBSTANCE: system includes multiple control units (CU), each positioned at the respective section and functionally conjugated thereto. The CU of each section features multichannel transceiver, whereby a CU communicates to a portable decentralised control device for controlling signal reception and measurement and condition data transmission in the simultaneous transceiving mode. Section CUs are programmed so that controlling signals received by radio are not converted into lining section functions unless the controlling signal carries a code word assigned to the addressed CU. Section CUs are preferably interconnected by two electric buses for transmission of entered data to all section CUs and feature amplifier for restoration of signals received via electric bus.

EFFECT: improved operation reliability of winning machine and powered support due to sustaining safe and fail-proof operation at low cost.

3 cl, 3 dwg

FIELD: engines and pumps, mining operations.

SUBSTANCE: system composed of hydraulic units for underground mining operations is intended for, particularly, underground working supports, actuators and/or pickups, all of them being encased and interconnected or can be connected, via a data transfer system, to the control unit. Note that every actuator is designed to make every hydraulic unit function operate and/or every pickup is set up to read out the hydraulic conditions at the point of measuring whatever quantity of the walking support. Mind that every actuator (3) and/or sensitive element (7, 8) in its casing (4; 18, 19) are wired to readout unit (20; 30), while hydraulic unit (1) for every function (2) or every point of measurement is connected to data element (12; 13) connected in the circuit to allow a readout unit with a receiver and/or transmitted module (20; 30) to effect a contactless inductive data readout therefrom and to transmit the said data to control unit (6). Data element (12; 13) represents a transponder or a transmitter incorporating a receiver coil. The control unit (6) uses this data via the data transfer system to allow an automatic single-valued identification and reprogramming.

EFFECT: faultless connections.

8 cl, 3 dwg

FIELD: mining.

SUBSTANCE: support control system to control shield support section movement in breakage face of mine contains central device of control (CDC) and set of control units (CU) each of those is located at corresponding section and functionally coupled with this section. At that CU of sections are connected with CDC and between each other with two bus bars and designed so as to facilitate a call of CU of any section from CDC or from CU of the neighbour section to control command input. Also CU of each section is programmed so as to transmit received control commands via the bus bar; the said commands, equipped with a code word assigned to the CU called at that moment, are transmitted to this particular CU for execution. Owing to the second analog bus bar (a parallel one) received signals not equipped with the code word assigned to the CU called at the moment, are transferred to CU of the neighbour section.

EFFECT: upgraded reliability of excavating machine and mechanised support due to safe and trouble free operation of their work with insignificant costs for maintenance.

2 cl, 3 dwg

FIELD: mining.

SUBSTANCE: invention relates to control system over underground face support with transport. The control system for underground walking face support consists of transporter, winning machine, plurality of panels each equipped with a block of functional control with a corresponding panel, of a facility connecting control blocks between themselves, of a central station located outside long wall face and communicating means for transmitting data between control blocks in the long wall face and the central station outside long wall face. The communicating means include at least one radio transmitting device from the side of the long wall face and one radio transmitting device from the side of the central station with receiving and transmitting modules to facilitate wireless and cable less two-directional data transmitting at the long wall face end.

EFFECT: minimisation of costs for cable laying for underground control system over face support and increase of reliability of face support control.

7 cl, 2 dwg

FIELD: mining.

SUBSTANCE: equipment consists of electric-hydraulic driven sections of lining with corresponding facility for lining control. Additionally, there is foreseen at least one doubled block of power source, which provides current for at least two means of lining control of different sections of lining independently from each other. A double-sided element of communication is installed between the power source block and at least two means of lining control; this element performs galvanic separation between the power source block and means of lining control and/or groups of means of lining control. Also the element of communication forms a galvanic separated data transmitting channel which facilitates communicating between two means of lining control and/or groups of means of lining control. Notably, double-sided element of communication is in-built into the power source block or is flange mounted directly on the case of power source block.

EFFECT: simplification of design of face equipment.

4 cl, 2 dwg

FIELD: mining.

SUBSTANCE: extraction device of coal in longwall face of underground mine working consists of the following: many sections of powered support, which are installed near each other throughout the length of longwall face between gates; plough machine; chute and conveyor located in it with possibility of movement, which are located throughout the length of longwall face between extraction machine and support sections; several deflecting devices and control device. Plough machine is provided with possibility of being moved along the line of the mining face and equipped with rock detection sensor which is provided with possibility of transmitting radio data of the detected rock to the control device of the support by means of the transmitter installed on the plough and the radio receivers installed along the longwall face. Group of adjacent support sections and sections of the chute corresponds to each deflecting device. Deflecting device is connected to control unit of one of the support sections of the appropriate group, and depending on the data of the detected rock, it provides the possibility of lifting the chute sections of the appropriate group, which is accompanied with lowering of the tools of the plough machine, and lowering of the chute sections, which is accompanied with lifting of plough machine tools. Control device includes the following: bottomhole control unit located at the end of longwall face for control of functions of support sections in relation to unloading, transportation and bracing of the support; control units of sections, each of which is put into spatial and functional compliance with the appropriate support section for performing and further transmitting the commands from bottomhole control unit; and the bus connecting mainly in series the bottomhole control unit to control units of support sections. At that, rock sensor when moving beside each support section is provided with possibility of generating the measurement signal characterising the detected rock only for several, mainly not more than two measurement points. Measurement signals received at neighbouring measurement points are subject to analysis with a view to predominance of rock or coal. Depending on analysis results, there generated is deviation signal supplied to the common deflecting device common for all measurement points, and namely to the deflection of the chute sections, which causes the lifting of plough machine tools if analysis results show the predominance of rock at the analysed measurement points, and to deflection of the chute sections, which causes the lowering of the plough machine tools if the analysis results show coal predominance at the analysed measurement points.

EFFECT: possible quick correction of the plough machine position during the coal extraction, which causes the lifting and lowering of the plough.

9 cl, 2 dwg

FIELD: mining.

SUBSTANCE: in control method of drum actuating element equipped at least with one lever of drum actuating element each electric hydraulic section of the support is equipped with its own electric hydraulic control instrument. Control commands are entered for correction of lever position of drum actuating element from control instrument of support section. And they are supplied from there to control system of drum actuating element.

EFFECT: improving control efficiency of the cut by means of drum actuating element.

8 cl

Up!