CN104091507B - A kind of drop shaft of simulating slips the experimental provision in ore deposit - Google Patents
A kind of drop shaft of simulating slips the experimental provision in ore deposit Download PDFInfo
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- CN104091507B CN104091507B CN201410203310.3A CN201410203310A CN104091507B CN 104091507 B CN104091507 B CN 104091507B CN 201410203310 A CN201410203310 A CN 201410203310A CN 104091507 B CN104091507 B CN 104091507B
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Abstract
The present invention relates to a kind of drop shaft of simulating and slip the experimental provision in ore deposit.Its technical scheme is: this device is made up of initial velocity Control release device (1) and drop shaft model adaptation device (2).The ore bucket (18) that unloads in initial velocity Control release device (1) is arranged in the upper plane of support (14) actively, skewed slot (16) with unload ore bucket (18) and arrange in opposite directions; Top synchronous motor (12), top turbine box (9) and upper spindle (3) composition top jacking system, to realize the vertical movement of support (14).Bottom synchronous motor (33) in drop shaft model adaptation device (2), bottom turbine box (29) and bottom leading screw (35) composition bottom jacking system, to realize the vertical movement of middle deck (36).The lower end of drop shaft model (37) is arranged on the drop shaft model support beam (31) of vehicle frame plate (30), and the upper end of drop shaft model (37) is positioned at the port of skewed slot (16) lower end.The present invention has applied range, simple to operate, control accuracy is high, the practical and simple feature of structure.
Description
Technical field
The invention belongs to drop shaft experimental simulation field.Be specifically related to a kind of drop shaft of simulating and slip the experimental provision in ore deposit.
Background technology
Mine drop shaft belongs to mine development systems engineering, is the important component part of mining production system, and its Main Function is rolling and stores ore.Because drop shaft uses frequent in actual production, non-support or few supporting, a large amount of ore is the impact borehole wall constantly, makes borehole wall serious wear; Moreover often there is arching latch up phenomenon in the drop shaft storing ore.But drop shaft, once build the control just departing from people, follow-uply carries out maintenance and repair to drop shaft and has seemed weak.Destroy to control drop shaft and reduce drop shaft fault, both at home and abroad in the reinforcement technique of drop shaft, plugging handling, drop shaft causers analysis and the detection of the drop shaft borehole wall etc., carrying out large quantifier elimination, and research in the transport characteristics of ore in drop shaft is relatively less.
At present, the deformation failure problem studying drop shaft has 3 kinds of methods substantially: economics analysis method, numerical analysis method and experimental method.Economics analysis method should make hypothesis to geometry, does many restrictions and simplification again to material behavior, failure mechanism, motion state, and economics analysis result is often larger with actual deviation; Numerical analysis method needs the numerical parameter determining material, and the accuracy of material parameter is difficult to ensure, result of calculation easily produces error; Experimental method is divided into field experiment and laboratory experiment, and site test affects mine and normally produces, and field observation operating difficulties, there is potential safety hazard, simulating lab test process is easy to control, and result is convenient to observed and recorded, repeatedly can test, the needs of engineering can be met as a rule.Therefore, the aspects such as simulating lab test technique study drop shaft fault in production, process structure are adopted to become inexorable trend.
Analogue experiment installation is that drop shaft slips the key of ore deposit simulating lab test research, however so far both at home and abroad drop shaft slip ore deposit analogue experiment installation and not yet have relevant technology open.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above, and object is to provide a kind of applied range, simple to operate, control accuracy is high, practical and structure is simply simulated drop shaft and slipped the experimental provision in ore deposit.
For achieving the above object, the technical solution used in the present invention is: this device is made up of initial velocity Control release device and drop shaft model adaptation device.
The structure of initial velocity Control release device is: this experimental provision comprises support, upper brace, 4 upper spindle, 4 top turbine boxes and 2 top worm drive shafts.Be fixed with top turbine box respectively at the corner place near upper brace, worm screw and the turbine in corresponding top turbine box at worm drive shaft two ends, every root top form top turbine and worm pair respectively.The end, one end of every root top worm drive shaft is connected by shaft coupling with the output shaft of respective top synchronous motor.Upper spindle is fixed with respectively at the close corner place of support, 4 upper spindle are connected with each self-corresponding upper spindle nut thread vertically through the upper sleeve on the turbine box of top respectively, upper spindle nut is fixedly mounted in the top turbine center pit in corresponding top turbine box concentrically, and the upper brace immediately below the turbine center pit of top has through hole.
Be provided with support directly over upper brace, support is rectangular frame, and rectangular frame is fixed with two upper beam symmetrically, and the ore bucket back up pad of unloading ore bucket is arranged in the upper plane of two upper beam actively.Skewed slot with unload ore bucket and arrange in opposite directions, the upper end of skewed slot is free end, and the upper end of skewed slot is positioned between two upper beam, and the back side in the middle part of skewed slot leans against on movable support bar, the lower end at the skewed slot back side is flexibly connected with fixed bar, and the two ends of fixed bar are fixed on the both sides of upper brace.The two ends of movable support bar are arranged in the top shifting chute of the lower beam of both sides, and the two ends of two lower beam are fixed on upper brace respectively by respective bearing, and two lower beam are positioned at the both sides of skewed slot.
The structure of drop shaft model adaptation device is: this adaptive device comprises drop shaft model, middle deck, 4 middle part sleeves, 4 bottom leading screws, 4 bottom turbine boxes, 2 bottom worm drive shafts, 2 bottom synchronous motors, vehicle frame plate and wheels.
Vehicle frame plate is the rectangular steel plates of middle hollow out, and wheel is equipped with at the corner place of rectangular steel plates lower plane; Vacancy section, in square, is fixed with 2 parallel drop shaft model support beams in vacancy section.
Bottom turbine box is fixed with respectively at the corner place near vehicle frame plate, each bottom turbine box is fixed with lower sleeve portion respectively, worm screw and the bottom turbine in corresponding bottom turbine box at worm drive shaft two ends, every root bottom form bottom turbine and worm pair respectively, and the end, one end of every root bottom worm drive shaft is connected by shaft coupling with the output shaft of respective bottom synchronous motor.Leading screw lower end, every root bottom is fixedly connected with the bottom turbine in the turbine box of each self-corresponding bottom is concentricity vertically through lower sleeve portion respectively, leading screw upper end, bottom is threaded with each self-corresponding bottom feed screw nut, bottom feed screw nut is fixedly mounted in the mounting hole of middle deck corner respectively, and each bottom feed screw nut is positioned at immediately below the sleeve of middle part.
The both sides of middle deck are provided with middle part shifting chute, and two drop shaft model fixed bars are arranged in the shifting chute of middle part.The lower end of each middle part sleeve is fixedly connected with middle deck by respective lower flange, and the upper flange of each middle part sleeve is fixedly connected with the lower plane of the upper brace of initial velocity Control release device.
The lower end of drop shaft model is arranged on the drop shaft model support beam of vehicle frame plate, and the middle part outer wall of drop shaft model contacts with the inner side activity of two drop shaft model fixed bars, and the upper end of drop shaft model is positioned at the port of the skewed slot lower end of initial velocity Control release device.
Described unloads the entirety that ore bucket is upper and lower composition; Both sides between upper and lower are flatly provided with ore bucket back up pad.Unload the top of ore bucket for unloading ore bucket storehouse, unloading ore bucket storehouse is square tube shape, and the front side of unloading ore bucket bottom is for going out mine mouth, and the both sides of unloading ore bucket bottom are triangle, and the rear side unloading ore bucket bottom is inclined-plane, and the angle α of described inclined-plane and surface level is 40 ~ 45 °.The front side of unloading ore bucket is provided with slot, and slot is equipped with plate actively.
Described height of support is 1/3 ~ 1/2 of chute length.
Described skewed slot sidewall is provided with length measuring ruler.
Described activity contacts and refers to and be provided with assemblage gap between the inner side of two drop shaft model fixed bars and the outer wall of drop shaft model, and assemblage gap sum is 0.5 ~ 2mm.
Owing to adopting technique scheme, the present invention compared with prior art has following good effect:
1. applied range, simple to operate.The present invention starts the top synchronous motor of initial velocity Control release device both sides, moves upper spindle motion to regulate the distance between support and upper brace by top turbine and worm subband; The mobile movable support bar be arranged in the shifting chute of top, then relatively rotates between skewed slot bottom and fixed bar, the angle of skewed slot and surface level is changed; Upper beam unloads ore bucket to mobile being arranged on, and can go out distance between mine mouth and skewed slot according to the size adjustment of ore grain size, can adapt to different drop shafts and slip ore deposit initial velocity requirement of experiment.Start the bottom synchronous motor of drop shaft model adaptation device both sides, move bottom guide screw movement to regulate the distance between vehicle frame plate and upper brace by bottom turbine and worm subband, the dimensional requirement that drop shaft model is different can be adapted to, thus applied range, simple to operate.
2. control accuracy is high.The top jacking system that the present invention adopts top synchronous motor, top turbine box and upper spindle to form, achieves the vertical movement of support; By being arranged on the length measuring ruler of skewed slot sidewall, directly can reading skewed slot bottom and to contact with movable support bar to skewed slot the length L of position
1with the range ability L of ore on skewed slot
2.Due to the vertical range H of the movable support bar in the present invention and fixed bar
1known, then angle theta=arcsin (the H of known skewed slot and surface level
1/ L
1), θ is also for ore when unloading ore deposit enters the deflection of well initial velocity; Because the friction factor u of skewed slot is known, then slip ore deposit time ore enter well initial velocity
The bottom jacking system that the present invention adopts bottom synchronous motor, bottom turbine box and bottom leading screw to form, achieve the vertical movement of middle deck, according to the height of drop shaft model with by lifting middle deck (36), the vertical range H of end, drop shaft model upper end and skewed slot lower end can be determined
2.Known by the internal diameter D of drop shaft model and obtain initial velocity v
1, then obtain: ore speed when ore first time collides with the drop shaft model borehole wall
Ore is from leaving skewed slot to height of drop H when colliding with the drop shaft model borehole wall for the first time
3=(v
2 2-v
1 2)/2g; Therefore control accuracy of the present invention is high.
3. practical.The present invention slips ore deposit experiment for simulating drop shaft, for research ore pass choking-up, prediction drop shaft fault provide reliable basis, thus practical.
4. structure is simple.The present invention is made up of initial velocity Control release device and drop shaft model adaptation device, adopt in initial velocity Control release device and unload ore bucket storage ore deposit, skewed slot unloads ore deposit, ore rolling is stablized, adopt the top jacking system of top synchronous motor, top turbine box and upper spindle composition, achieve the vertical movement of support, control ore and enter well initial velocity v
1; The bottom jacking system adopting bottom synchronous motor, bottom turbine box and bottom leading screw to form in drop shaft model adaptation device, achieves the vertical movement of middle deck, controls the elemental height that ore enters well; Therefore structure is simple.
Therefore, the present invention has applied range, the feature that simple to operate, control accuracy is high and practical.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of structural representation of initial velocity Control release device 1 in Fig. 1;
Fig. 3 is a kind of structural representation of drop shaft model adaptation device 2 in Fig. 1;
Fig. 4 is a kind of structural representation unloading ore bucket 18 in Fig. 2;
Fig. 5 is the structural representation that Fig. 4 unloads ore bucket 18 plate 22;
Fig. 6 is the structural representation of skewed slot 16 in Fig. 2.
Embodiment
Be described further of the present invention below in conjunction with the drawings and specific embodiments, and the restriction to its protection domain:
Embodiment 1
A kind of drop shaft of simulating slips the experimental provision in ore deposit.As shown in Figure 1, this device is made up of initial velocity Control release device (1) and drop shaft model adaptation device (2).
The structure of initial velocity Control release device (1) is as shown in Figure 2: this experimental provision comprises support (14), upper brace (7), 4 upper spindle (3), 4 top turbine boxes (9) and 2 top worm drive shafts (8).Be fixed with top turbine box (9) respectively at the corner place near upper brace (7), worm screw and the turbine in corresponding top turbine box (9) at worm drive shaft (8) two ends, every root top form top turbine and worm pair respectively.The end, one end of every root top worm drive shaft (8) is connected by shaft coupling with the output shaft of respective top synchronous motor (12).Upper spindle (3) is fixed with respectively at the close corner place of support (14), 4 upper spindle (3) are connected with each self-corresponding upper spindle nut thread vertically through the upper sleeve (4) on top turbine box (9) respectively, upper spindle nut is fixedly mounted in the top turbine center pit in corresponding top turbine box (9) concentrically, and the upper brace (7) immediately below the turbine center pit of top has through hole.
As shown in Figure 2, support (14) is provided with directly over upper brace (7), support (14) is rectangular frame, rectangular frame is fixed with two upper beam (17) symmetrically, and the ore bucket back up pad (20) of unloading ore bucket (18) is arranged in the upper plane of two upper beam (17) actively.Skewed slot (16) as shown in Figure 2 and Figure 6, skewed slot (16) with unload ore bucket (18) and arrange in opposite directions, the upper end of skewed slot (16) is free end, the upper end of skewed slot (16) is positioned between two upper beam (17), the back side at skewed slot (16) middle part leans against on movable support bar (13), the lower end at skewed slot (16) back side is flexibly connected with fixed bar (10), and the two ends of fixed bar (10) are fixed on the both sides of upper brace (7).The two ends of movable support bar (13) are arranged in the top shifting chute (11) of the lower beam (5) of both sides, the two ends of two lower beam (5) are fixed on upper brace (7) respectively by respective bearing (6), and two lower beam (5) are positioned at the both sides of skewed slot (16).
The structure of drop shaft model adaptation device (2) is as shown in Figure 3: this adaptive device comprises drop shaft model (37), middle deck (36), 4 middle parts sleeve (24), 4 bottom leading screws (35), 4 bottom turbine boxes (29), 2 bottom worm drive shafts (28), 2 bottom synchronous motors (33), vehicle frame plate (30) and wheels (32).
As shown in Figure 3, the rectangular steel plates that vehicle frame plate (30) is middle hollow out, wheel (32) is equipped with at the corner place of rectangular steel plates lower plane; Vacancy section, in square, is fixed with 2 parallel drop shaft model support beams (31) in vacancy section.
As shown in Figure 3, bottom turbine box (29) is fixed with respectively at the corner place near vehicle frame plate (30), each bottom turbine box (29) is fixed with respectively lower sleeve portion (34), worm screw and the bottom turbine in corresponding bottom turbine box (29) at worm drive shaft (28) two ends, every root bottom form bottom turbine and worm pair respectively, and the end, one end of every root bottom worm drive shaft (28) is connected by shaft coupling with the output shaft of respective bottom synchronous motor (33).Leading screw (35) lower end, every root bottom is fixedly connected with the bottom turbine in each self-corresponding bottom turbine box (29) is concentricity vertically through lower sleeve portion (34) respectively, bottom leading screw (35) upper end is threaded with each self-corresponding bottom feed screw nut, bottom feed screw nut is fixedly mounted in the mounting hole of middle deck (36) corner respectively, and each bottom feed screw nut is positioned at immediately below middle part sleeve (24).
As shown in Figure 3, the both sides of middle deck (36) are provided with middle part shifting chute (26), and two drop shaft model fixed bars (27) are arranged in middle part shifting chute (26).The lower end at each middle part sleeve (24) is fixedly connected with middle deck (36) by respective lower flange (25), and the upper flange (23) at each middle part sleeve (24) is fixedly connected with the lower plane of the upper brace (7) of initial velocity Control release device (1).
As shown in Figure 3, the lower end of drop shaft model (37) is arranged on the drop shaft model support beam (31) of vehicle frame plate (30), the middle part outer wall of drop shaft model (37) contacts with the inner side activity of two drop shaft model fixed bars (27), and the upper end of drop shaft model (37) is positioned at the port of skewed slot (16) lower end of initial velocity Control release device (1).
Described unloads ore bucket (18) as shown in Figure 4, unloads the entirety that ore bucket (18) forms for upper and lower; Both sides between upper and lower are flatly provided with ore bucket back up pad (20).Unload the top of ore bucket (18) for unloading ore bucket storehouse, unloading ore bucket storehouse is square tube shape, unload the front side of ore bucket (18) bottom for going out mine mouth (19), the both sides of unloading ore bucket (18) bottom are triangle, the rear side unloading ore bucket (18) bottom is inclined-plane, and the angle α of described inclined-plane and surface level is 40 ~ 45 °.The front side of unloading ore bucket (18) is provided with slot (21), and slot (21) is equipped with plate (22) as shown in Figure 5 actively.
Described bearing (6) is highly 1/3 ~ 1/2 of skewed slot (16) length.
Described skewed slot (16) sidewall is provided with length measuring ruler (15).
Described activity contact the inner side that refers to two drop shaft model fixed bars (27) and drop shaft model (37) outer wall between be provided with assemblage gap, assemblage gap sum is 0.5 ~ 2.0mm.
Owing to adopting technique scheme, the present invention compared with prior art has following good effect:
1. applied range, simple to operate.The present invention starts the top synchronous motor (12) of initial velocity Control release device (1) both sides, moves upper spindle (3) motion to regulate the distance between support (14) and upper brace (7) by top turbine and worm subband; The mobile movable support bar (13) be arranged in top shifting chute (11), then relatively rotate between skewed slot (16) bottom and fixed bar (10), skewed slot (16) is changed with the angle of surface level; Upper beam (17) unloads ore bucket (18) to mobile being arranged on, distance between mine mouth (19) and skewed slot (16) can be gone out according to the size adjustment of ore grain size, different drop shafts can be adapted to and slip ore deposit initial velocity requirement of experiment.Start the bottom synchronous motor (33) of drop shaft model adaptation device (2) both sides, bottom leading screw (35) motion is moved to regulate the distance between vehicle frame plate (30) and upper brace (7) by bottom turbine and worm subband, the dimensional requirement that drop shaft model is different can be adapted to, thus applied range, simple to operate.
2. control accuracy is high.The top jacking system that the present invention adopts top synchronous motor (12), top turbine box (9) and upper spindle (3) to form, achieves the vertical movement of support (14); By being arranged on the length measuring ruler (15) of skewed slot (16) sidewall, directly can reading skewed slot (16) bottom and to contact with movable support bar (13) to skewed slot (16) the length L of position
1with the range ability L of ore on skewed slot (16)
2.Due to the movable support bar (13) in the present invention and the vertical range H of fixed bar (10)
1known, then angle theta=arcsin (the H of known skewed slot (16) and surface level
1/ L
1), θ is also for ore when unloading ore deposit enters the deflection of well initial velocity; Because the friction factor u of skewed slot (16) is known, then slip ore deposit time ore enter well initial velocity
The bottom jacking system that the present invention adopts bottom synchronous motor (33), bottom turbine box (29) and bottom leading screw (35) to form, achieve the vertical movement of middle deck (36), according to the height of drop shaft model (37) with by lifting middle deck (36), the vertical range H of drop shaft model (37) end, upper end and skewed slot (16) lower end can be determined
2.Known by the internal diameter D of drop shaft model (37) and obtain initial velocity v
1, then obtain: ore speed when ore first time collides with drop shaft model (37) borehole wall
Ore is from leaving skewed slot (16) to height of drop H when colliding with drop shaft model (37) borehole wall for the first time
3=(v
2 2-v
1 2)/2g; Therefore control accuracy of the present invention is high.
3. practical.The present invention slips ore deposit experiment for simulating drop shaft, for research ore pass choking-up, prediction drop shaft fault provide reliable basis, thus practical.
4. structure is simple.The present invention is made up of initial velocity Control release device (1) and drop shaft model adaptation device (2), adopt in initial velocity Control release device (1) and unload ore bucket (18) storage ore deposit, skewed slot (16) unloads ore deposit, ore rolling is stablized, adopt the top jacking system that top synchronous motor (12), top turbine box (9) and upper spindle (3) form, achieve the vertical movement of support (14), control ore and enter well initial velocity v
1; The bottom jacking system that bottom synchronous motor (33), bottom turbine box (29) and bottom leading screw (35) form is adopted in drop shaft model adaptation device (2), achieve the vertical movement of middle deck (36), control the elemental height that ore enters well, therefore structure is simple.
Therefore, the present invention has applied range, the feature that simple to operate, control accuracy is high and practical.
Claims (5)
1. simulate drop shaft and slip the experimental provision in ore deposit, it is characterized in that: this simulation drop shaft slips the experimental provision in ore deposit and is made up of initial velocity Control release device (1) and drop shaft model adaptation device (2);
The structure of initial velocity Control release device (1) is: this initial velocity Control release device comprises support (14), upper brace (7), 4 upper spindle (3), 4 top turbine boxes (9) and 2 top worm drive shafts (8); Be fixed with top turbine box (9) respectively at the corner place near upper brace (7), worm screw and the turbine in corresponding top turbine box (9) at worm drive shaft (8) two ends, every root top form top turbine and worm pair respectively; The end, one end of every root top worm drive shaft (8) is connected by shaft coupling with the output shaft of respective top synchronous motor (12); Upper spindle (3) is fixed with respectively at the close corner place of support (14), 4 upper spindle (3) are connected with each self-corresponding upper spindle nut thread vertically through the upper sleeve (4) on top turbine box (9) respectively, upper spindle nut is fixedly mounted in the top turbine center pit in corresponding top turbine box (9) concentrically, and the upper brace (7) immediately below the turbine center pit of top has through hole;
Support (14) is provided with directly over upper brace (7), support (14) is rectangular frame, rectangular frame is fixed with two upper beam (17) symmetrically, and the ore bucket back up pad (20) of unloading ore bucket (18) is arranged in the upper plane of two upper beam (17) actively; Skewed slot (16) with unload ore bucket (18) and arrange in opposite directions, the upper end of skewed slot (16) is free end, the upper end of skewed slot (16) is positioned between two upper beam (17), the back side at skewed slot (16) middle part leans against on movable support bar (13), the lower end at skewed slot (16) back side is flexibly connected with fixed bar (10), and the two ends of fixed bar (10) are fixed on the both sides of upper brace (7); The two ends of movable support bar (13) are arranged in the top shifting chute (11) of the lower beam (5) of both sides, the two ends of two lower beam (5) are fixed on upper brace (7) respectively by respective bearing (6), and two lower beam (5) are positioned at the both sides of skewed slot (16);
The structure of drop shaft model adaptation device (2) is: this adaptive device comprises drop shaft model (37), middle deck (36), 4 middle parts sleeve (24), 4 bottom leading screws (35), 4 bottom turbine boxes (29), 2 bottom worm drive shafts (28), 2 bottom synchronous motors (33), vehicle frame plate (30) and wheels (32);
The rectangular steel plates that vehicle frame plate (30) is middle hollow out, wheel (32) is equipped with at the corner place of rectangular steel plates lower plane; Vacancy section, in square, is fixed with 2 parallel drop shaft model support beams (31) in vacancy section;
Bottom turbine box (29) is fixed with respectively at the corner place near vehicle frame plate (30), each bottom turbine box (29) is fixed with respectively lower sleeve portion (34), worm screw and the bottom turbine in corresponding bottom turbine box (29) at worm drive shaft (28) two ends, every root bottom form bottom turbine and worm pair respectively, and the end, one end of every root bottom worm drive shaft (28) is connected by shaft coupling with the output shaft of respective bottom synchronous motor (33); Leading screw (35) lower end, every root bottom is fixedly connected with the bottom turbine in each self-corresponding bottom turbine box (29) is concentricity vertically through lower sleeve portion (34) respectively, bottom leading screw (35) upper end is threaded with each self-corresponding bottom feed screw nut, bottom feed screw nut is fixedly mounted in the mounting hole of middle deck (36) corner respectively, and each bottom feed screw nut is positioned at immediately below middle part sleeve (24);
The both sides of middle deck (36) are provided with middle part shifting chute (26), and two drop shaft model fixed bars (27) are arranged in middle part shifting chute (26); The lower end at each middle part sleeve (24) is fixedly connected with middle deck (36) by respective lower flange (25), and the upper flange (23) at each middle part sleeve (24) is fixedly connected with the lower plane of the upper brace (7) of initial velocity Control release device (1);
The lower end of drop shaft model (37) is arranged on the drop shaft model support beam (31) of vehicle frame plate (30), the middle part outer wall of drop shaft model (37) contacts with the inner side activity of two drop shaft model fixed bars (27), and the upper end of drop shaft model (37) is positioned at the port of skewed slot (16) lower end of initial velocity Control release device (1).
2. simulation drop shaft according to claim 1 slips the experimental provision in ore deposit, and it is characterized in that the described entirety of unloading ore bucket (18) and forming for upper and lower, the both sides between upper and lower are flatly provided with ore bucket back up pad (20); Unload the top of ore bucket (18) for unloading ore bucket storehouse, unloading ore bucket storehouse is square tube shape, unload the front side of ore bucket (18) bottom for going out mine mouth (19), the both sides of unloading ore bucket (18) bottom are triangle, the rear side unloading ore bucket (18) bottom is inclined-plane, and the angle α of described inclined-plane and surface level is 40 ~ 45 °; The front side of unloading ore bucket (18) is provided with slot (21), and slot (21) is equipped with plate (22) actively.
3. simulation drop shaft according to claim 1 slips the experimental provision in ore deposit, it is characterized in that described bearing (6) is highly 1/3 ~ 1/2 of skewed slot (16) length.
4. simulation drop shaft according to claim 1 slips the experimental provision in ore deposit, it is characterized in that described skewed slot (16) sidewall is provided with length measuring ruler (15).
5. simulation drop shaft according to claim 1 slips the experimental provision in ore deposit, it is characterized in that described activity contact the inner side that refers to two drop shaft model fixed bars (27) and drop shaft model (37) outer wall between be provided with assemblage gap, assemblage gap sum is 0.5 ~ 2.0mm.
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| CN105604603B (en) * | 2015-10-16 | 2017-09-29 | 武汉科技大学 | A kind of experimental rig for simulating drop shaft bottom discharging |
| CN106448411B (en) * | 2016-10-17 | 2022-08-30 | 武汉科技大学 | Experimental device for simulating ore pass ore drawing |
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| CN201877014U (en) * | 2010-09-26 | 2011-06-22 | 煤炭科学研究总院重庆研究院 | Analog simulation training exercise system for mine outburst disasters |
| CN102419925A (en) * | 2010-09-27 | 2012-04-18 | 天津职业技术师范大学 | Inclined shaft (roadway) transportation human-oriented safety monitoring and training system in mining area and manufacturing method |
| CN202632641U (en) * | 2012-06-12 | 2012-12-26 | 开滦(集团)有限责任公司信息与控制中心 | Automatic-control high-simulation practical-training device for shaft elevator system |
| CN202883002U (en) * | 2012-11-14 | 2013-04-17 | 长沙有色冶金设计研究院有限公司 | Main mine chute |
| CN103606314A (en) * | 2013-11-27 | 2014-02-26 | 河南理工大学 | Virtual practical training operating system for lifting of main shaft of coal mine |
| CN204024701U (en) * | 2014-05-14 | 2014-12-17 | 武汉科技大学 | A kind ofly slip the experimental facilities of ore deposit process for simulating drop shaft |
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