CN112593934A - Special equipment for underground mining and mineral separation of placer - Google Patents

Special equipment for underground mining and mineral separation of placer Download PDF

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Publication number
CN112593934A
CN112593934A CN202011334541.XA CN202011334541A CN112593934A CN 112593934 A CN112593934 A CN 112593934A CN 202011334541 A CN202011334541 A CN 202011334541A CN 112593934 A CN112593934 A CN 112593934A
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CN
China
Prior art keywords
shovel
wheel
double
crescent
rolling
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Pending
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CN202011334541.XA
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Chinese (zh)
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刘刚
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Individual
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Individual
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Priority to CN202011334541.XA priority Critical patent/CN112593934A/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/10—Rods; Drums
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/08—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for adjusting parts of the machines
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/04—Safety devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor

Abstract

The invention discloses special equipment for underground mining and mineral separation of placer, wherein a transmission shaft penetrates through the center of a wheel-rolling type digging shovel through a bearing, a crescent inclined opening shovel is arranged at the rear side of the wheel-rolling type digging shovel, the lower corner part of the crescent inclined opening shovel is a linkage shovel, the linkage shovel is connected with a pushing inclined shovel, and the included angle between the pushing inclined shovel and the ground is 15 degrees; the upper end that impels the inclined shovel is connected with material loading transportation belt, material loading transportation belt bottom supports on the body frame through material loading transportation belt support, material loading transportation belt links to each other with double-deck shale shaker, double-deck shale shaker below is provided with the vibration chute, transversely be provided with multichannel washing water pipe on the double-deck shale shaker, washing water pipe still links to each other with the water pipe, the vibrator is installed to double-deck shale shaker bottommost, double-deck shale shaker is fixed on the body frame through mixing the support, double-deck shale shaker afterbody is connected with row tail ore transportation area, row tail ore transportation area below is provided with the water-falling groove. The invention has the advantages of reasonable structural design, high ore mining and dressing efficiency, low cost, wide application range, large mining depth, safety and reliability.

Description

Special equipment for underground mining and mineral separation of placer
Technical Field
The invention relates to the technical field of mining, in particular to special equipment for underground mining and mineral separation of placer ores.
Background
The traditional underground placer mining and dressing process is very complex, the mining equipment is very complex, the application range is not wide enough, the cost is higher, the operation effect is not good, and the mining and dressing efficiency is greatly reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the special equipment for underground mining and mineral separation of the placer mine, which has the advantages of reasonable structural design, high mining and mineral separation efficiency, low cost, wide application range, large mining depth, safety, reliability and strong practicability.
In order to achieve the purpose, the invention is realized by the following technical scheme: a special device for underground mining and mineral separation of placer ores comprises a wheel rolling type digging shovel, a wheel digging shovel driving motor, a transmission shaft fixing support, a linkage shovel, a propelling inclined shovel, a feeding and conveying belt with a support, a double-layer vibrating screen, a vibrating chute, a cleaning water pipe, a mixing support, a tailing discharging and conveying belt, a water falling groove, a water feeding pipe, a water discharging pipe, a vibrating rod, a crescent inclined shovel front opening, a shed rolling belt, a bearing rolling cross beam, a cross beam bearing and a positioning bolt, a crescent inclined shovel rear opening, a tail baffle, a main frame, a crawler wheel, a universal wheel, two side baffles, a rear baffle, a standby hydraulic propeller and a vibrator, wherein the transmission shaft penetrates through a bearing at the center of the wheel rolling type digging shovel, is fixed on the support through the transmission shaft support, the transmission shaft is also in transmission connection with the wheel digging shovel driving motor, a crescent inclined opening shovel is arranged at the rear side of the wheel rolling type digging shovel, and the lower corner part of, the linkage shovel is connected with the propelling inclined shovel, and the included angle between the propelling inclined shovel and the ground is 15 degrees; the upper end of the propelling inclined shovel is connected with a feeding conveying belt, the bottom of the feeding conveying belt is supported on the main frame through a feeding conveying belt support, the feeding conveying belt is connected with a double-layer vibrating screen, a vibrating chute is arranged below the double-layer vibrating screen, a plurality of cleaning water pipes are transversely arranged on the double-layer vibrating screen and are also connected with a feeding pipe, a vibrator is arranged at the bottommost part of the double-layer vibrating screen, the double-layer vibrating screen is fixed on the main frame through a mixing support, the tail part of the double-layer vibrating screen is connected with a tailing discharging conveying belt, a water falling groove is arranged below the tailing discharging conveying belt and is connected with a water discharging pipe, a plurality of vibrating rods are arranged on a rear plate at the rear end of the tailing discharging conveying belt, the upper end of the crescent inclined-mouth shovel is a crescent inclined shovel front opening, the rear end of the crescent inclined shovel front opening is provided with a canopy rolling belt, a plurality of bearing rolling cross beams are arranged in the canopy rolling belt, the two ends of the rolling cross, the oblique below of crescent oblique shovel fore-opening is crescent oblique shovel back opening, and body frame upper end afterbody is provided with the tail baffle, and body frame bottom front end is provided with the athey wheel, and body frame bottom rear end is provided with the universal wheel, and the side is provided with both sides baffle around the universal wheel, still is provided with reserve hydraulic pressure propeller on the back plate.
Preferably, a plurality of shovel bodies are uniformly distributed on the wheel-rolling type digging shovel, and the shovel bodies are of a triangular-pointed spine-shaped magnesium alloy structure.
Preferably, the wheel-rolling type digging shovel is further connected with a first hydraulic adjuster, and the device for adjusting the height of the vertical angle of the wheel-rolling type digging shovel through the first hydraulic adjuster takes hydraulic pressure as driving force.
Preferably, the linkage shovel is connected with a second hydraulic pressure regulator, and the lifting angle of the linkage shovel and the pushing inclined shovel is regulated through the second hydraulic pressure regulator.
Preferably, one side of the rear end of the main frame is provided with an access door which is a passage port for workers to enter.
Preferably, the power devices on the main frame are all connected with a power supply line.
The device is suitable for the underground mining of the sand ore with high mud content in arid and semiarid regions or sandy ores without ore covering over meters, and is particularly suitable for the mining regions with too thick covering which can not be mined in the traditional open air.
The device of the invention has the height of 1.7-2 meters, the outer width of 3 meters, the inner width of 2 meters and the length of 5-6 meters, the power of a main propulsion motor is 200 kilowatts, the propulsion speed is 10-20 centimeters per second, and the day is 7200-14000 meters.
The invention has the following beneficial effects:
1. high efficiency: the mining, the selection, the movable support, the tailing discharge and the backfill are integrated, the continuous operation is realized, the combined use can be realized through passing platforms, the daily mining degree can reach more than several kilometers, and the daily mining degree is hundreds times of that of the traditional manual mining
2. Low cost: the movable support replaces the traditional artificial wood support, and a large amount of labor and material cost are saved.
3. The application range is wide: it is suitable for underground mining of placer mine in arid and semiarid regions such as flood, alluvial accumulation and flood-alluvial accumulation.
4. The mining depth is large: the device can be used for exploiting the placer mine with the depth of tens of meters and can be put in through a vertical well or an inclined well
5. The security is strong, adopts steel construction to strut, and is firmer than traditional timber to adopt fast and produce fast, reduce the produced danger of the effect of pushing down of upper strata loam.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a mining layout of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a special device for underground mining and mineral separation of placer ores comprises a wheel-rolling type digging shovel 1, a wheel-type digging shovel driving motor 4, a transmission shaft fixing support 5, a linkage shovel 7, a propelling inclined shovel 9, a feeding conveying belt 10, a double-layer vibrating screen 11, a vibrating chute 12, a cleaning water pipe 13, a mixing support 14, a tailing discharging conveying belt 15, a water falling groove 16, a water feeding pipe 18, a water discharging pipe 19, a vibrating rod 20, a crescent inclined shovel front opening 21, an upper shed rolling belt 22, a bearing rolling beam 23, a beam bearing and positioning bolt 24, a crescent inclined shovel rear opening 25, a tail baffle 26, a main frame 28, a crawler wheel 29, a universal wheel 30, two side baffles 31, a rear baffle 32, a standby hydraulic propeller 33 and a vibrator 34, wherein the transmission shaft 5 penetrates through a bearing 3 in the center of the wheel-rolling type digging shovel 1, the transmission shaft 5 is fixed on the support 28 through the transmission shaft support 5, and the transmission shaft 5 is in transmission connection with the wheel-, a crescent bevel shovel is arranged on the rear side of the wheel-rolling type digging shovel 1, a linkage shovel 7 is arranged at the lower corner part of the crescent bevel shovel, the linkage shovel 7 is connected with a propelling bevel shovel 9, and the included angle between the propelling bevel shovel 9 and the ground is 15 degrees; the upper end of a propelling inclined shovel 9 is connected with a feeding conveying belt 10, the bottom of the feeding conveying belt 10 is supported on a main frame 28 through a feeding conveying belt support, the feeding conveying belt 10 is connected with a double-layer vibrating screen 11, a vibrating chute 12 is arranged below the double-layer vibrating screen 11, a plurality of cleaning water pipes 13 are transversely arranged on the double-layer vibrating screen 11, the cleaning water pipes 13 are also connected with a water feeding pipe 18, a vibrator 34 is arranged at the bottommost part of the double-layer vibrating screen 11, the double-layer vibrating screen 11 is fixed on the main frame 28 through a mixing support 14, the tail part of the double-layer vibrating screen 11 is connected with a tailing discharging conveying belt 15, a water falling groove 16 is arranged below the tailing discharging conveying belt 15, the water falling groove 16 is connected with a water discharging pipe 19, a plurality of vibrating rods 20 are arranged on a rear plate 32 at the rear end of the tailing discharging conveying belt 15, the upper end of a crescent inclined shovel is a crescent inclined shovel front opening 21, an upper shed rolling belt 22 is, go up and be provided with many bearing rolling crossbeam 23 in canopy rolling belt 22, bearing rolling crossbeam 23 both ends are passed through crossbeam bearing and pilot pin 24 and are erect on the skeleton at main frame top, crescent oblique shovel fore-stock 21 oblique below is crescent oblique shovel back-end 25, main frame 28 upper end afterbody is provided with tail baffle 26, main frame 28 bottom front end is provided with the athey wheel 29, main frame 28 bottom rear end is provided with universal wheel 30, universal wheel 30 front rear side is provided with both sides baffle 31, still be provided with reserve hydraulic pressure propeller 33 on the back plate 20.
A plurality of shovel bodies 2 are uniformly distributed on the wheel-rolling type digging shovel 1, and the shovel bodies 2 are of triangular-tip-shaped magnesium alloy structures.
The wheel-rolling type digging shovel 1 is also connected with a first hydraulic adjuster 6, and the equipment for adjusting the height of the upper angle and the lower angle of the wheel-rolling type digging shovel 1 through the first hydraulic adjuster 6 takes hydraulic pressure as driving force.
The linkage shovel 7 is connected with a second hydraulic pressure regulator 8, and the lifting angle of the linkage shovel 7 and the pushing inclined shovel 9 is regulated through the second hydraulic pressure regulator 8.
An access door 27 is arranged at one side of the rear end of the main frame 28 and is a passage port for workers to enter.
The power devices on the main frame 28 are all connected with the power supply line 17.
The wheel-rolling type excavating shovel 1 of the embodiment is used for excavating sand on a working surface, adopts a flowing type, and is used for continuously and uninterruptedly excavating the working surface to enable broken sand and stones to fall off, so that other parts can be conveniently used. The shovel body 2 is a main digging and mining part, is made of manganese alloy and is high in wear resistance, mainly triangular, and the tip part of the shovel body is used as the main part. The bearing 3 is a core part of the integral shovel rotation and is connected with the positioning bolt on the bracket. The wheel shovel drive motor 4 is the only power system for the wheel shovel to rotate. The transmission shaft and the fixed bracket drive the main part and the fixed part of the digging shovel to rotate. The first hydraulic modulator 6 is a device for adjusting the vertical angle height of the wheel-rolling shovel 1, and uses hydraulic pressure as a driving force. The linkage shovel 7 is the lower corner part of the crescent inclined opening shovel and is connected with the propelling inclined shovel 9, and the linkage shovel is mainly used for reducing the distance between the lower corner part and the ground when the equipment integrally moves forward, so that the equipment can move forward and go up a slope conveniently. The linkage shovel 7 and the pushing inclined shovel 9 can be lifted at a small angle at the same time, and the gradient is adjusted. The second hydraulic regulator 8 is used for regulating the lifting angle of the linkage shovel 7 and the push inclined shovel 9. An included angle between an operation shovel right in front of the push inclined shovel 9 and the ground plane is about 15 degrees, crushed sand and stones generated on a working surface fall and are influenced by the integral forward push force of equipment and the slope angle of the inclined shovel, the sand and stones can move upwards along a slope, and then the sand and stones enter a working area of a conveying belt and enter the next production link through the conveying belt; material loading conveyer belt and support: the double-layer vibrating screen 11 of the transportation part for transporting the sand and gravel soil to the mineral processing equipment is a rough separation equipment, the diameter of the upper layer is 3 cm, the diameter of the lower layer is 1 cm, the raw material which is less than 1 cm after double-layer screening enters a chute separation area, and the rest tailings are pushed to a tail area. The vibrating chute 12 is mainly used for finely selecting the placer gold, and fine mineral materials are further subjected to mineral separation by using physical characteristics such as water power, gravity and the like, and the aim of mineral separation is achieved by keeping sand strips on the chute. The cleaning water pipe 13 is a washing device for mineral separation, is composed of a plurality of water pipes and a plurality of water spraying ports on the water pipes, and is used for pressurizing water by a water supply system and then washing mineral aggregates on a vibrating screen and chute mineral separation. The mixing support 14 is mainly used for supporting a stable support of the mineral processing equipment; and the tailing discharging conveyor belt 15 is used for pushing the selected tailings to a tailing storage area. The water dropping groove 16 is used for containing mineral processing wastewater and tools containing superfine tailings. The power supply wire 17 is a power supply wire of the whole equipment; the water supply pipe 18 is a hydraulic conveying pipeline for ore dressing; the drain pipe 19 is used for discharging the waste water and silt in the water falling groove 16 to the outside of the well and consists of a silt pump and a water pipe. The vibrating rod 20 is used to vibrate the tamping tool (container) with the waste sand discharged to the tail section. The upper part and the lower part of a front opening 21 of the crescent inclined shovel are crescent-shaped, the caliber of a shallow opening is larger than that of an inner diameter, the front opening is gradually contracted to an inner opening, and the forward power is generated in the process of production due to the fact that equipment is pushed forward, and the extrusion force is generated by utilizing the characteristics that the front opening is large and the inner opening is small, namely the shape of the side edge of a single knife, so that soil and stones on a working surface are folded towards the center, and the subsequent production and processing are facilitated; the rolling belt 22 is a main part for supporting the upper shed, protecting components and reducing the pressing resistance of the upper shed and the integral movement of the auxiliary equipment.
The bearing rolling beam 23 of the embodiment is a thick-wall steel pipe, a bearing, a through shaft rod and a plug, is arranged at the top of a framework of equipment, is a bearing frame formed by combining a plurality of bearing frames, and assists a belt to roll by virtue of the pressure under the upper shed, thereby reducing the resistance on the upper shed. The beam bearing and the positioning bolt are auxiliary components of the bearing rolling beam 23; the rear opening 25 of the crescent inclined shovel is an auxiliary component of the front opening 21 of the crescent inclined shovel and interacts with each other, so that mineral aggregate is conveniently collected and selected. The tail baffle 26 is a component for protecting the 15 from the damage of the falling rocks on the shed; the access door 27 is a passage port for workers to enter; main frame 28 the basic frame shaft and the fixing support of the device are made of hard steel as the main material. The crawler wheel 29 is the main power of the equipment in the forward wheel direction, the system is driven by electric power, the propelling speed is 10 cm per second, namely the direction is adjusted about 7200 m every 20 hours; the caster wheel 30 is the forward and load bearing auxiliary component of the overall apparatus, bearing primarily on the rear portion of the apparatus. The two side baffles 31 are support protection components at two sides, the height of the two side baffles is slightly shorter than the whole height of the equipment, and the distance between the two side baffles and the ground plane is about 10 cm, so that the equipment can conveniently move forward and fall into water to form gravels at two sides of a lake. The back baffle 32 is a separation plate between the equipment and the tail region, and has supporting and stabilizing functions. The backup hydraulic thruster 33 is used as an integral device, and during the advancing operation, if the pressure on the shed or two sides is too high and the advancing is blocked, the device can be started, and the aim is to push the integral device of the employer to advance through the large-caliber hydraulic pressure. The vibrator 34 is a main auxiliary component for screening the chute, and has the functions of accelerating the mineral separation process and improving the mineral separation rate.
The working principle of the specific embodiment is as follows: the equipment consists of an excavating device, a transporting device, a movable supporting device, a mineral separation device, a tail discharge device, a backfilling device, a traveling device and a water and power supply device. The concrete operation is as follows: the wheel-rolling type digging shovel 1 is used for digging a working surface, the digging angle and the digging height of the wheel-type digging shovel are adjusted by a wheel-rolling type digging shovel driving motor 4, a transmission shaft fixing support 5 and a first hydraulic regulator 6, the mined sand material is conveyed to a double-layer vibrating screen 11 through a feeding conveying belt 10 under the combined action of a propelling oblique shovel 9, a crescent oblique shovel front opening 21 and a crescent oblique shovel rear opening 25, the mineral material is cleaned through a cleaning water pipe 13, mineral separation is completed through a vibrating chute 12, water is supplied through a feeding pipe 18, a power supply line 17 supplies power, a mixing support 14 is supported and fixed, a vibrator 34 is assisted in vibration, greenhouse supporting and friction reduction are completed through a greenhouse rolling belt 22, a bearing rolling beam 23, a beam bearing and a positioning bolt 24, two-side supporting are completed through two-side baffles 31, a main frame 28 is integrally and stably supported, propelling operation is completed through a crawler wheel 29, a universal wheel 30 plays a role in assisting in advancing, and the waste material after mineral separation is conveyed to, the tail baffle 26 is used for protecting the tailing discharge conveyor belt 15 from being damaged by falling rocks on a shed, the vibrating rod 20 is used for vibrating and tamping a new tailing discharge in a tailing area, so that the back-filling baffle 32 is used as a separation plate of equipment and tailings, the standby hydraulic propeller 33 is used as a standby hydraulic propulsion facility, the access door 27 is a passage port for the operator to enter and exit, and the generated mineral separation wastewater and fine silt are discharged out of the well through the water falling groove 16 and the water discharge pipe 19 and can be selected again, so that the mineral separation rate is improved.
The embodiment first determines the mechanical characteristics of the equipment that the mined area is suitable for, and then according to the survey report, a drift is excavated at the side of the mining area, the height of the drift is consistent with the height of the equipment, the width of the drift is about 2 meters, and completing corresponding support, then repeatedly excavating a vertical shaft with parallel end heads, making the area of inlet and plane of said equipment be equal to and slightly larger (oblique), using crane to make said equipment be aligned according to advancing direction, driving it into underground and connecting it with electric system, and using one or several equipment at two sides of drift, two or several equipment can be parallelly connected and pushed for mining, after all the water and electricity are smoothly connected, then the related switch can be started, the wheel-rolling type digging shovel 1 starts to operate, the mining operation of the mining systems such as mining, selecting, discharging, backfilling and the like is carried out, and the equipment is lifted out of the underground to enter the next mining link (or driven out of the inclined shaft) at the tail end of the drift of the mining road.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A special device for underground mining and mineral separation of placer ores is characterized by comprising a wheel-rolling type digging shovel (1), a wheel-type digging shovel driving motor (4), a transmission shaft fixing support (5), a linkage shovel (7), a propelling inclined shovel (9), a feeding conveying belt (10) with a support, a double-layer vibrating screen (11), a vibrating chute (12), a cleaning water pipe (13), a mixing support (14), a tailing discharging conveying belt (15), a water falling groove (16), a water feeding pipe (18), a water discharging pipe (19), a vibrating rod (20), a crescent inclined shovel front opening (21), an upper shed rolling belt (22), a bearing rolling beam (23), a beam bearing and positioning bolt (24), a crescent inclined shovel rear opening (25), a tail baffle plate (26), a main frame (28), a crawler wheel (29), a universal wheel (30), two side baffle plates (31), a rear baffle plate (32), a standby hydraulic propeller (33) and a vibrator (34), a transmission shaft (5) penetrates through the center of the wheel-rolling type digging shovel (1) through a bearing (3), the transmission shaft (5) is fixed on a support (28) through a transmission shaft support (5), the transmission shaft (5) is also in transmission connection with a wheel-type digging shovel driving motor (4), a crescent bevel shovel is arranged on the rear side of the wheel-rolling type digging shovel (1), the lower corner part of the crescent bevel shovel is a linkage shovel (7), the linkage shovel (7) is connected with a propelling bevel shovel (9), and the included angle between the propelling bevel shovel (9) and the ground is 15 degrees; the upper end of a propelling inclined shovel (9) is connected with a feeding conveying belt (10), the bottom of the feeding conveying belt (10) is supported on a main frame (28) through a feeding conveying belt support, the feeding conveying belt (10) is connected with a double-layer vibrating screen (11), a vibrating chute (12) is arranged below the double-layer vibrating screen (11), a plurality of cleaning water pipes (13) are transversely arranged on the double-layer vibrating screen (11), the cleaning water pipes (13) are also connected with a water feeding pipe (18), a vibrator (34) is arranged at the bottommost part of the double-layer vibrating screen (11), the double-layer vibrating screen (11) is fixed on the main frame (28) through a mixing support (14), the tail part of the double-layer vibrating screen (11) is connected with a tailing discharging conveying belt (15), a water falling groove (16) is arranged below the tailing discharging conveying belt (15), the water falling groove (16) is connected with a water discharging pipe (19), and a plurality of vibrating rods (20) are arranged on a rear plate (32) at the rear end, the upper end of the crescent oblique shovel is a crescent oblique shovel front opening (21), the rear end of the crescent oblique shovel front opening (21) is provided with a shed rolling belt (22), a plurality of bearing rolling cross beams (23) are arranged in the shed rolling belt (22), two ends of each bearing rolling cross beam (23) are erected on a framework at the top of the main frame through cross beam bearings and positioning bolts (24), the crescent oblique shovel rear opening (25) is arranged below the crescent oblique shovel front opening (21), a tail baffle plate (26) is arranged at the tail of the upper end of the main frame (28), the front end of the bottom of the main frame (28) is provided with a crawler wheel (29), the rear end of the bottom of the main frame (28) is provided with a universal wheel (30), the front side and the rear side of the universal wheel (30) are provided with two side baffle plates (31), and a spare hydraulic propeller (33) is further.
2. The special equipment for the underground mining and mineral separation of the placer mine according to claim 1, characterized in that a plurality of shovel bodies (2) are uniformly distributed on the wheel-rolling type digging shovel (1), and the shovel bodies (2) are of a triangular-pointed spiny magnesium alloy structure.
3. The special equipment for the underground mining and beneficiation of the placer mine according to claim 1, wherein the wheel-rolling type digging shovel (1) is further connected with a first hydraulic regulator (6), and the equipment for adjusting the height of the upper angle and the lower angle of the wheel-rolling type digging shovel (1) through the first hydraulic regulator (6).
4. The special device for the underground mining and mineral dressing of the placer mine according to claim 1, characterized in that the linkage shovel (7) is connected with a second hydraulic pressure regulator (8), and the lifting angles of the linkage shovel (7) and the pushing inclined shovel (9) are regulated through the second hydraulic pressure regulator (8).
5. The special equipment for the underground mining and beneficiation of the placer mine according to claim 1, wherein an access door (27) is arranged on one side of the rear end of the main frame (28) and is a passage port for workers to enter.
6. The special equipment for the underground placer mining and dressing according to claim 1, wherein the power equipment on the main frame (28) is connected with a power line (17).
CN202011334541.XA 2020-11-25 2020-11-25 Special equipment for underground mining and mineral separation of placer Pending CN112593934A (en)

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CN202011334541.XA CN112593934A (en) 2020-11-25 2020-11-25 Special equipment for underground mining and mineral separation of placer

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