CN104848694A - Charging and stoking machine special for silicon-iron and silicon metal electric furnaces - Google Patents
Charging and stoking machine special for silicon-iron and silicon metal electric furnaces Download PDFInfo
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- CN104848694A CN104848694A CN201510267299.1A CN201510267299A CN104848694A CN 104848694 A CN104848694 A CN 104848694A CN 201510267299 A CN201510267299 A CN 201510267299A CN 104848694 A CN104848694 A CN 104848694A
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Abstract
The invention discloses a charging and stoking machine special for silicon-iron and silicon metal electric furnaces. The charging and stoking machine comprises a main frame, front driving wheels are mounted on the main frame through a front-wheel driving device, rear steering wheels are mounted on the main frame through a steering mechanism, a hydraulic control system, an oil tank and a charging and stoking mechanism are arranged on the main frame, the hydraulic control system comprises a power source formed by connection of a motor and a triplex variable displacement piston pump, and the first link of the triplex variable displacement piston pump is connected with a travel motor of the front-wheel driving device through a first reversing valve; the second link of the triplex variable displacement piston pump is connected with the charging and stoking mechanism through a second reversing valve bank; the third link of the triplex variable displacement piston pump is connected with the steering mechanism and a control mechanism, and the control mechanism is connected with the first reversing valve and the second reversing valve bank; an oil cooler is arranged on the main frame, and a condenser tube of the oil cooler is inserted into the oil tank. The charging and stoking machine has the advantages that heat emission of hydraulic oil can be lowered effectively, and the charging and stoking machine is controllable in oil temperature, small in maintenance workload and long in service life and can be operated under severe conditions stably for a long time.
Description
Technical field
The present invention relates to a kind of electric furnace special mechanical equipment, particularly a kind of ferrosilicon and metal-silicon furnace Special feeding furnace charge stirrer.
Background technology
Charging and stoking machine feeds in raw material and the special mechanical equipment smashing material for the production of the opened type of silicon series ferroalloys and semi-enclosed submerged arc electric reduction furnace fire door.
At present, the domestic charging and stoking machine generally used, mainly on the charging and stoking machine basis of the equipment Imported From German EMH Company DDS company eighties in 20th century, the equipment that more domestic machine-building producers are improved.
Before 2008, the ferrosilicon of domestic mainly below 25.5MVA capacity and metal-silicon furnace, by the charging and stoking machine that this principle is improved and made, when the middle and small EAF of below 25.5MVA capacity, also substantially job requirement can be met, along with continuing to increase of domestic ferrosilicon and metal-silicon furnace specification, especially in recent years, ferrosilicon furnace has reached 63MVA capacity, the load of furnace charge stirrer is continuing to increase, operating frequency is also improving constantly, during this period, some producers of domestic making charging and stoking machine, although made a large amount of improvements, but because its major design principle does not change, under heavy duty conditions, be difficult to the rising controlling oil temperature, result of use is not very desirable at the scene, still there is oil temperature uncontrollable, smash stove power not enough, maintenance load is large, maintenance cost is high, poor work stability, work under hard conditions, hydraulic oil and the problems such as the hydraulic part life-span is short.
Therefore, continue to utilize original design principle to improve and the charging and stoking machine made, the condition of work under this large load, high strength, hot environment cannot be met completely, had a strong impact on the normal work of ferrosilicon and industrial silicon production producer.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of heating that effectively can reduce hydraulic oil, oil temperature is controlled, maintenance workload is little, maintenance cost is low, long service life, can under bad working environments the ferrosilicon that runs steady in a long-term and metal-silicon furnace Special feeding furnace charge stirrer.
For solving the problem, the present invention adopts following technical scheme:
A kind of ferrosilicon and metal-silicon furnace Special feeding furnace charge stirrer, comprise mainframe, mainframe is provided with by front-wheel drive and drives front-wheel, to be provided with by steering mechanism and to turn to trailing wheel, mainframe is provided with hydraulic control system and fuel tank, charging and stoking mechanism is provided with in mainframe front portion, its special character is: described hydraulic control system comprises the power source be formed by connecting by motor and three Variable plunger pumps, wherein three Variable plunger pump first UNICOMs cross the first reversal valve and connect with the running motor of front-wheel drive, for driving the movable of complete machine; Three Variable plunger pump second UNICOMs cross the second reversal valve group and connect respectively with multiple oil cylinders of described charging and stoking mechanism, smash stove and discharging action for realizing; Three Variable plunger pumps the 3rd connect respectively with described steering mechanism and the operating-controlling mechanism be arranged in driver's cabin, described operating-controlling mechanism is connected respectively with the first reversal valve and the second reversal valve group, for realizing turning to and control to the first reversal valve and the second reversal valve group of complete machine; Mainframe is provided with oil cooling machine near fuel tank place, and the condenser tube of oil cooling machine is inserted in fuel tank.
As preferably, described front-wheel drive comprises described running motor, and the output of running motor is connected by power transmission shaft and drives propons, and described driving front-wheel is arranged on the two ends driving propons.
As preferably, described charging and stoking mechanism comprises a sleeve, is hinged on mainframe in the middle part of sleeve by swing arm, is provided with and moves horizontally cylinder in the middle part of swing arm and between mainframe, between sleeve rear end and mainframe, be arranged with inclined cylinder, pusher oil cylinder is installed in sleeve.
As preferably, described first reversal valve is the logical hydraulicchange-over valve of three six, Y type, between A, B port and running motor of the first reversal valve, be connected with first pair of balanced valve, so that realize braking.
As preferably, described second reversal valve group comprises the logical hydraulicchange-over valve of three six, three Y types, P, T port of three hydraulicchange-over valve both sides is parallel with one another respectively, with described, A, B port of three hydraulicchange-over valves moves horizontally that cylinder, inclined cylinder and pusher oil cylinder are corresponding respectively to be connected, move horizontally cylinder at each hydraulicchange-over valve, be respectively equipped with second pair of balanced valve between inclined cylinder and pusher oil cylinder with corresponding.
As preferably, described operating-controlling mechanism comprises and is located at two pilot handles in driver's cabin and guide's foot valve, and described guide's foot valve is controlled mouth with the spool of the first reversal valve and is connected by oil circuit, for controlling the rotating of running motor; Described pilot handle is controlled mouth with the spool of the second reversal valve group respectively and is connected by oil circuit, for controlling the work of charging and stoking mechanism.
As preferably, mainframe is positioned at front and rear portions and is arranged with two pairs of support oil cylinders, two pairs of support oil cylinders control commutation by the 3rd reversal valve group; When three hydraulicchange-over valves of described second reversal valve group are in meta, the P port of three hydraulicchange-over valves is connected successively by oil circuit and is communicated with the P port of the 3rd reversal valve group.
As preferably, described 3rd reversal valve group comprises two manual three six-way valves of Y type, and P, T port of two three six-way valve both sides is parallel with one another respectively, and A, B port of two manual three six-way valves of Y type is communicated with two pairs of support oil cylinders respectively.
As preferably, the oil return circuit of described first reversal valve is connected with forced air cooler.
The invention has the beneficial effects as follows:
1, because hydraulic control system adopts motor to drive three Variable plunger pumps as power source, reasonable distribution oil mass and pressure can be carried out according to the load of furnace charge stirrer, effectively can reduce the heating of hydraulic oil, and equipment quality is stablized, reduce maintenance load and maintenance cost.
2, owing to being provided with oil cooling machine near fuel tank place on mainframe, forced cooling is carried out to hydraulic oil, the Oil-temperature control of charging and stoking machine under high load capacity, high-frequency operation condition can be met, thus effectively extend the service life of hydraulic oil and hydraulic part, reduce maintenance cost.
3, drive fore wheel structure design owing to adopting, effectively can increase the stability and ride comfort of smashing furnaceman's work, extend the service life of drive system simultaneously, can steady in a long-termly under bad working environments run.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is stereogram of the present invention.
Fig. 4 is the structural representation of charging and stoking mechanism of the present invention.
Fig. 5 is the hydraulic schematic diagram of hydraulic control system of the present invention.
In figure: mainframe 1, charging and stoking mechanism 2, front apron 3, drive front-wheel 4, power transmission shaft 5, running motor 6, turn to trailing wheel 7, support oil cylinder 8, fuel tank 9, slip-ring body 10, mains power cable 11, driver's cabin 12, steering mechanism 13, drive propons 14, motor 15, three Variable plunger pumps 16, oil return pipe 17, oil cooling machine 18, inclined cylinder 19, move horizontally cylinder 20, sleeve 21, pusher oil cylinder 22, swing arm 23, two current dividers 24, first reversal valve 25, first pair of balanced valve 26, second reversal valve group 27, second pair of balanced valve 28, 3rd reversal valve group 29, overlapping two 30, steering cylinder 31, guide's foot valve 32, hydraulic steering gear 33, pilot handle 34, return filter 35, forced air cooler 36.
Detailed description of the invention
As shown in Fig. 1 ~ Fig. 5, a kind of ferrosilicon that the present invention relates to and metal-silicon furnace Special feeding furnace charge stirrer, the driver's cabin 12 comprising mainframe 1 and be located on mainframe 1, in mainframe 1 front end, front apron 3 is installed, mainframe 1 is provided with by front-wheel drive and drives front-wheel 4, to be provided with by steering mechanism 13 and to turn to trailing wheel 7.Described front-wheel drive comprises the running motor 6 be arranged in the middle part of mainframe 1, and the output of running motor 6 connects driving propons 14 by power transmission shaft 5, and described driving front-wheel 4 is arranged on the two ends driving propons 14.Described steering mechanism 13 comprises a hydraulic steering gear 33, and two oil inlet and outlets of hydraulic steering gear 33 connect steering cylinder 31, and the piston rod of steering cylinder 31 is connected with the described trailing wheel 7 that turns to by turning to back axle.
Mainframe 1 is provided with hydraulic control system and fuel tank 9, is provided with charging and stoking mechanism 2 at mainframe 1 front medial location.As shown in Figure 4, described charging and stoking mechanism 2 comprises a sleeve 21, be hinged on mainframe 1 by swing arm 23 in the middle part of sleeve 21, sleeve 21 is hinged on swing arm 23 upper end, be hinged with in the middle part of swing arm 23 and between mainframe 1 and move horizontally cylinder 20, between sleeve 21 rear end and mainframe 1, symmetry is hinged with two inclined cylinders 19, is provided with pusher oil cylinder 22 at sleeve 21 Inner Front End.
As shown in Figure 2 and Figure 5, described hydraulic control system comprises the power source be formed by connecting by motor 15 and three Variable plunger pumps 16, power source is arranged on corresponding driver's cabin 12 opposite side on mainframe 1, wherein three Variable plunger pump 16 first UNICOMs cross the first reversal valve 25 and connect with the running motor 6 of front-wheel drive, described first reversal valve 25 is the logical hydraulicchange-over valve of three six, Y type, the P port of the first reversal valve 25 is communicated with by oil circuit with three Variable plunger pump 16 first oil-outs, at the A of the first reversal valve 25, oil circuit between B port and running motor 6 is connected with first pair of balanced valve 26, for realizing the movable of complete machine and braking.Three Variable plunger pump 16 second UNICOMs cross the second reversal valve group 27 and connect respectively with described cylinder 20, inclined cylinder 19 and the pusher oil cylinder 22 of moving horizontally, and smash stove and discharging action for realizing.Described second reversal valve group 27 comprises the logical hydraulicchange-over valve of three six, three Y types, when three hydraulicchange-over valves are in meta, P port is connected successively by oil circuit, the P of three hydraulicchange-over valve both sides, the parallel with one another respectively and P port of T port is connected in parallel on the oil-out of three Variable plunger pumps 16 second, the A of three hydraulicchange-over valves, B port and describedly move horizontally cylinder 20, inclined cylinder 19 and pusher oil cylinder 22 are corresponding respectively to be connected, cylinder 20 is moved horizontally with corresponding at each hydraulicchange-over valve of the second reversal valve group 27, second pair of balanced valve 28 is respectively equipped with between inclined cylinder 19 and pusher oil cylinder 22, stove and discharging action is smash for realizing, and after action completes, ensure the position of oil cylinder.Three Variable plunger pumps 16 the 3rd connect with the operating-controlling mechanism be arranged in driver's cabin 12 respectively with the oil-in of described hydraulic steering gear 33, described operating-controlling mechanism is connected respectively with the first reversal valve 25 and the second reversal valve group 27, for realizing turning to and control to the first reversal valve 25 and the second reversal valve group 27 of complete machine.
As shown in Figure 5, described operating-controlling mechanism comprises and is located at two pilot handles 34 in driver's cabin 12 and guide's foot valve 32, described guide's foot valve 32 is controlled mouth with the spool of the first reversal valve 25 and is connected by oil circuit, for being controlled the rotating of running motor 6 by the first reversal valve 25.In described two pilot handles 34, one is cross pilot handle, another is single handle, two pilot handles 34 are controlled mouth with the spool of three hydraulicchange-over valves of the second reversal valve group 27 respectively and are connected by oil circuit, for the work of difference level of control movable cylinder 20, inclined cylinder 19 and pusher oil cylinder 22.Pilot handle 34 and guide's foot valve 32 are connected in parallel on oil-out one end of described three Variable plunger pumps 16 the 3rd with described hydraulic steering gear 33 by two current dividers 24.
As shown in Figure 1 and Figure 5, mainframe 1 is positioned at front and rear portions and is arranged with two to support oil cylinder 8, the two pairs of support oil cylinders 8 for overhauling by the 3rd reversal valve group 29 control commutation.3rd reversal valve group 29 comprises two manual three six-way valves of Y type, P port when P, T port of two three six-way valve both sides parallel with one another respectively and P port and the second reversal valve group 27 are in meta is connected, be integrated with bidirectional hydraulic lock in the 3rd reversal valve group 29 inside, can ensure that the optional position of furnace charge stirrer in lifting process stops and not glide.A, B port of two manual three six-way valves of Y type is communicated with two pairs of support oil cylinder 8 hydraulic fluid ports respectively, an overlapping two 30 is respectively equipped with, for controlling the speed that car load rises and declines between the rodless cavity and the B port of manual three six-way valves of corresponding Y type of two pairs of support oil cylinders 8.The oil return opening of described first reversal valve 25, second reversal valve group 27, the 3rd reversal valve group 29 and pilot handle 34 and guide's foot valve 32 is connected in parallel on an oil return pipe 17 respectively by oil return circuit, oil return pipe 17 is provided with return filter 35, and described oil return pipe 17 is inserted in fuel tank 9.The oil return circuit of described first reversal valve 25 is connected with forced air cooler 36.Mainframe 1 is provided with high temperature oil cold 18 near fuel tank 9 place, and the condenser tube of high temperature oil cold 18 is inserted in fuel tank 9.
As shown in Figure 1, be positioned at oil cooling machine 18 side at mainframe 1 rear portion and be provided with slip-ring body 10 by a standpipe, the mains power cable 11 of described motor 15 is drawn by slip-ring body 10.
During work, three Variable plunger pumps 16 are driven to work by motor 15, three Variable plunger pumps 16 first drive running motor 6 to work by the first reversal valve 25 when working, the commutation of the first reversal valve 25 is controlled by guide's foot valve 32, and running motor 6 is worked to be driven by power transmission shaft 5 and driving propons 14 successively and drives front-wheel 4 to realize walking.Respectively by the operation of three three six-way valve level of control movable cylinders 20, inclined cylinder 19 and pusher oil cylinders 22 of the second reversal valve group 27 when three Variable plunger pumps 16 second work, thus control the action of sleeve, undertaken smashing material or discharging by pusher oil cylinder 22.The commutation of described second reversal valve group 27 controls respectively by two pilot handles 34.When the second reversal valve group 27 is all in meta, the fluid that three Variable plunger pump 16 second townhouses go out flows into the 3rd reversal valve group 29 by the second reversal valve group 27, manually control the work that the 3rd reversal valve group 29 controls two pairs of support oil cylinders 8, when needs overhaul, the piston rod of two pairs of support oil cylinders 8 stretches out and is supported by complete machine.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a ferrosilicon and metal-silicon furnace Special feeding furnace charge stirrer, comprise mainframe, mainframe is provided with by front-wheel drive and drives front-wheel, to be provided with by steering mechanism and to turn to trailing wheel, mainframe is provided with hydraulic control system and fuel tank, charging and stoking mechanism is provided with in mainframe front portion, it is characterized in that: described hydraulic control system comprises the power source be formed by connecting by motor and three Variable plunger pumps, wherein three Variable plunger pump first UNICOMs cross the first reversal valve and connect with the running motor of front-wheel drive, for driving the movable of complete machine; Three Variable plunger pump second UNICOMs cross the second reversal valve group and connect respectively with multiple oil cylinders of described charging and stoking mechanism, smash stove and discharging action for realizing; Three Variable plunger pumps the 3rd connect respectively with described steering mechanism and the operating-controlling mechanism be arranged in driver's cabin, described operating-controlling mechanism is connected respectively with the first reversal valve and the second reversal valve group, for realizing turning to and control to the first reversal valve and the second reversal valve group of complete machine; Mainframe is provided with oil cooling machine near fuel tank place, and the condenser tube of oil cooling machine is inserted in fuel tank.
2. ferrosilicon according to claim 1 and metal-silicon furnace Special feeding furnace charge stirrer, it is characterized in that: described front-wheel drive comprises described running motor, the output of running motor connects driving propons by power transmission shaft, and described driving front-wheel is arranged on the two ends driving propons.
3. ferrosilicon according to claim 1 and metal-silicon furnace Special feeding furnace charge stirrer, it is characterized in that: described charging and stoking mechanism comprises a sleeve, be hinged on mainframe by swing arm in the middle part of sleeve, be provided with in the middle part of swing arm and between mainframe and move horizontally cylinder, between sleeve rear end and mainframe, be arranged with inclined cylinder, pusher oil cylinder is installed in sleeve.
4. ferrosilicon according to claim 1 and metal-silicon furnace Special feeding furnace charge stirrer, is characterized in that: described first reversal valve is the logical hydraulicchange-over valve of three six, Y type, between A, B port and running motor of the first reversal valve, be connected with first pair of balanced valve.
5. ferrosilicon according to claim 3 and metal-silicon furnace Special feeding furnace charge stirrer, it is characterized in that: described second reversal valve group comprises the logical hydraulicchange-over valve of three six, three Y types, P, T port of three hydraulicchange-over valve both sides is parallel with one another respectively, with described, A, B port of three hydraulicchange-over valves moves horizontally that cylinder, inclined cylinder and pusher oil cylinder are corresponding respectively to be connected, move horizontally cylinder at each hydraulicchange-over valve, be respectively equipped with second pair of balanced valve between inclined cylinder and pusher oil cylinder with corresponding.
6. ferrosilicon according to claim 1 and metal-silicon furnace Special feeding furnace charge stirrer, it is characterized in that: described operating-controlling mechanism comprises and is located at two pilot handles in driver's cabin and guide's foot valve, described guide's foot valve is controlled mouth with the spool of the first reversal valve and is connected by oil circuit, for controlling the rotating of running motor; Described pilot handle is controlled mouth with the spool of the second reversal valve group respectively and is connected by oil circuit, for controlling the work of charging and stoking mechanism.
7. ferrosilicon according to claim 5 and metal-silicon furnace Special feeding furnace charge stirrer, is characterized in that: on mainframe, be positioned at front and rear portions be arranged with two pairs of support oil cylinders, and two pairs of support oil cylinders control commutation by the 3rd reversal valve group; When three hydraulicchange-over valves of described second reversal valve group are in meta, the P port of three hydraulicchange-over valves is connected successively by oil circuit and is communicated with the P port of the 3rd reversal valve group.
8. ferrosilicon according to claim 7 and metal-silicon furnace Special feeding furnace charge stirrer, it is characterized in that: described 3rd reversal valve group comprises two manual three six-way valves of Y type, P, T port of two three six-way valve both sides is parallel with one another respectively, and A, B port of two manual three six-way valves of Y type is communicated with two pairs of support oil cylinders respectively.
9. the ferrosilicon according to claim 1 or 4 and metal-silicon furnace Special feeding furnace charge stirrer, is characterized in that: on the oil return circuit of described first reversal valve, be connected with forced air cooler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510267299.1A CN104848694B (en) | 2015-05-23 | 2015-05-23 | Ferrosilicon and metal-silicon furnace Special feeding furnace charge stirrer |
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| CN201510267299.1A CN104848694B (en) | 2015-05-23 | 2015-05-23 | Ferrosilicon and metal-silicon furnace Special feeding furnace charge stirrer |
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| CN104848694B CN104848694B (en) | 2016-08-24 |
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Cited By (3)
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| CN106015189A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Cooling method of heating industrial hydraulic oil refrigeration machine for equipment heat source |
| CN106122173A (en) * | 2016-06-30 | 2016-11-16 | 江苏金荣森制冷科技有限公司 | Industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source |
| CN107560436A (en) * | 2017-09-28 | 2018-01-09 | 山河智能特种装备有限公司 | One kind smashes stove car insulated working device |
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| CN106015189A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Cooling method of heating industrial hydraulic oil refrigeration machine for equipment heat source |
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| CN107560436A (en) * | 2017-09-28 | 2018-01-09 | 山河智能特种装备有限公司 | One kind smashes stove car insulated working device |
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