CN107128618B - Indoor simulated ore drawing device and method capable of automatically adjusting height - Google Patents
Indoor simulated ore drawing device and method capable of automatically adjusting height Download PDFInfo
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- CN107128618B CN107128618B CN201710494630.2A CN201710494630A CN107128618B CN 107128618 B CN107128618 B CN 107128618B CN 201710494630 A CN201710494630 A CN 201710494630A CN 107128618 B CN107128618 B CN 107128618B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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Abstract
The invention aims to overcome the problems of the traditional indoor ore drawing experimental device and provides an indoor simulated ore drawing device and method capable of automatically adjusting the height. The indoor simulation ore drawing device capable of automatically adjusting the height comprises an upper box body, a lower box body and a lifting control system; the upper box body consists of four side walls, a top cover and a box bottom, the lower box body consists of four side walls, a top cover and a box bottom, and a plurality of ore drawing bottom structures are arranged at the bottom of the lower box body; the bottom end of the upper box body is inserted into the lower box body from the top of the lower box body; the lifting control system is fixedly connected with the upper box body. The box body used by the device is of an inserted structure, the up-and-down movement of the upper box body is controlled by the synchronous lifting of the screw rod (lead screw) lifter, the height change of the box body of the experimental device is realized, and the purpose that the experimental device can be adjusted to the experimental sectional height of the pillarless sublevel caving method without manufacturing the experimental device again is achieved.
Description
Technical Field
The invention belongs to the technical field of simulated mine ore drawing, and particularly relates to an indoor simulated ore drawing device and method capable of automatically adjusting height.
Background
The size of the sublevel height of the sublevel caving mining method without the sill pillar has great influence on the production efficiency, the production cost, the loss rate and the dilution rate. The indoor simulation ore drawing experiment is an important means for optimizing the structural parameters of the mining method and researching the influence of the sectional height on the production efficiency, the production cost, the loss rate and the dilution rate in the production process.
The traditional indoor ore drawing experimental device for the sill pillar-free sublevel caving mining method is designed and manufactured according to specific stope structure parameters of the sill pillar-free sublevel caving mining method, when parameters such as sublevel height and the like change, the experimental device needs to be redesigned and manufactured, and particularly when the sublevel height is optimized and selected, a series of experiments need to be completed by manufacturing a plurality of sets of experimental devices.
The traditional indoor ore drawing experimental device has the following problems:
(1) the segmentation height can not be adjusted as required, and when the segmentation height changes, original experimental apparatus abandons, can not continue to use, causes the material waste.
(2) Remanufacturing an experimental device is labor intensive, material wasteful, and results in an extended overall experimental time.
Disclosure of Invention
The invention aims to overcome the problems of the traditional indoor ore drawing experimental device and provides an indoor simulated ore drawing device and method capable of automatically adjusting the height. The box body used by the device is of an insertion type structure, the up-and-down movement of the upper box body is controlled through the synchronous lifting of a plurality of screw rod (lead screw) lifters, the height change of the box body of the experimental device is realized, and the purpose that the experimental device can be adjusted in the experimental segmentation height of the pillarless segmentation caving method without manufacturing the experimental device again is achieved.
An indoor simulation ore drawing device capable of automatically adjusting height comprises an upper box body, a lower box body and a lifting control system;
the upper box body consists of four side walls and is not provided with a top cover and a box bottom; the lower box body consists of four side walls without a top cover and a box bottom, and the bottom of the lower box body is provided with a plurality of ore drawing bottom structures; the bottom end of the upper box body is inserted into the lower box body from the top of the lower box body;
the lifting control system is fixedly connected with the upper box body;
the lifting control system is a lifter;
preferably, the device is further provided with a base, and the lower box body is arranged on the base;
preferably, the upper part of the upper box body of the device is fixedly connected with a reinforcing part for reinforcing the side wall of the upper box body; the lower part of the lower box body is fixedly connected with a reinforcing part for reinforcing the side wall of the lower box body;
preferably, the lifter in the above device is four identical worm and gear screw lifters, each worm and gear screw lifter is composed of a screw rod (screw), a lifting nut and a worm gear, the worm gear is installed on the ground, the four worm gear are distributed around the lower box body, the screw rod (screw) is inserted into the worm gear and is parallel to four side walls of the lower box body, and the lifting nut is sleeved on the screw rod (screw); the screw (lead screw) is driven by the worm gear to rotate so as to drive the lifting nut on the screw (lead screw) to move up and down;
four corners of the upper edge of the upper box body are respectively provided with a connecting plate, and the connecting plates are fixed with lifting nuts of adjacent worm and gear screw lifters through bolts;
the four elevators share one motor, the motor is connected with a worm gear of one worm gear and worm screw elevator through a coupler, and the worm gear and worm screw elevator connected with the motor is connected with a worm gear of a second worm gear and worm screw elevator through a transmission connecting rod; the second worm gear and worm screw rod lifter is connected with a worm gear of a third worm gear and worm screw rod lifter through a transmission connecting rod with steering gears at two ends; the third worm gear-worm screw rod lifter is connected with a worm gear machine of the fourth worm gear-worm screw rod lifter through a transmission connecting rod, so that the synchronous operation of the four screw rod (screw rod) lifters is realized, and a lifting nut on the screw rod (screw rod) is driven by the rotation of the screw rod (screw rod) to simultaneously move up and down, so that the upper box body is driven to stably move up and down; or the motor is connected with a transmission connecting rod through a coupler, two ends of the transmission connecting rod are respectively connected with a steering gear, each steering gear is connected with a synchronous transmission connecting rod, each synchronous transmission connecting rod is connected with two worm gears, synchronous operation of four screw elevators is achieved, lifting nuts on the screws are driven to move up and down simultaneously through rotation of the screws, and therefore the upper box body is driven to move up and down stably.
The lifting control system is four hydraulic cylinders of the same type and the same specification controlled by the same hydraulic power source, four corners of the upper edge of the upper box body are respectively provided with a connecting plate, and the top end of a piston rod of each hydraulic cylinder is fixedly connected with the connecting plates, so that the upper box body is controlled by the hydraulic cylinders to move up and down simultaneously;
preferably, the ore drawing bottom structure consists of a plurality of peach-shaped pillars and an ore removal roadway, and the peach-shaped pillars and the ore removal roadway are mutually spaced and tightly connected.
An indoor simulated ore drawing method capable of automatically adjusting height adopts the indoor simulated ore drawing device capable of automatically adjusting height, and comprises the following steps:
when the lifting control system is a worm gear and worm screw lifter:
firstly, calculating the required sizes of an upper box body and a lower box body according to structural parameters of a stope adopting a pillarless sublevel caving method to be simulated, selecting a lifting control system, and assembling a device;
secondly, adjusting the height of the upper box body, namely the subsection height;
when the height of the upper box body needs to be increased, a motor is started to rotate forwards, four worm and gear screw lifters realize the anticlockwise rotation of a screw rod (a screw rod) under the action of the motor to drive a lifting nut to move upwards, the lifting nut drives the upper box body to move upwards through a connecting plate, and when the height needs to be increased, a power supply of the motor is turned off;
when the height of the upper box body needs to be reduced, a motor is started to rotate reversely, four worm and gear screw rod lifters realize clockwise rotation of a screw rod (a screw rod) under the action of the motor to drive a lifting nut to move downwards, the lifting nut drives the upper box body to move downwards through a connecting plate, and when the height needs to be reduced, a power supply of the motor is turned off;
thirdly, when the combined height of the upper box body and the lower box body reaches the sectional height of the simulated experiment, the model box can be filled with ores for ore drawing experiments;
fourthly, after the ore drawing experiment of a certain section height is finished, performing the experiment of the next section height parameter, namely re-executing the operations from the second step to the third step and performing the ore drawing experiment again until all the ore drawing experiments of different section height parameters of the simulated experiment are finished;
when the lifting control system is a hydraulic cylinder:
firstly, calculating the required sizes of an upper box body and a lower box body according to structural parameters of a stope adopting a pillarless sublevel caving method to be simulated, selecting a lifting control system, and assembling a device;
secondly, when the height of the upper box body needs to be increased, a hydraulic power source is started to drive a piston rod of a hydraulic cylinder to move upwards, the piston rod drives the upper box body to move upwards through a connecting plate, and when the height needs to be increased, the hydraulic power source is closed;
when the height of the upper box body needs to be reduced, a hydraulic valve of the hydraulic cylinder is opened, a piston rod moves downwards, the piston rod drives the upper box body to move downwards through a connecting plate, and when the required height is reached, the hydraulic valve is closed;
thirdly, after the combined height of the upper box body and the lower box body reaches the sectional height of the simulation experiment, ore filling can be carried out on the model box, and an ore drawing experiment is carried out;
and fourthly, after the ore drawing experiment of a certain section height is finished, performing the experiment of the next section height parameter, namely re-executing the operations from the second step to the third step to perform the ore drawing experiment again until all the ore drawing experiments of different section height parameters of the simulated experiment are finished.
Compared with the prior art, the invention has the advantages that:
1. the problem of the change adjustment of box height can be effectively solved, and the sectional height parameters can be adjusted randomly according to the indoor ore drawing experiment requirement of the sill pillar-free sectional caving mining method.
2. The problem of when the segmentation altitude variation in traditional ore drawing experiment, the experimental apparatus need be made repeatedly in repeated experiment is solved, the extravagant time of making experimental apparatus existence again, extravagant material scheduling problem have been avoided.
3. Adopt box elevating gear, can convenient and fast ground realize combination box height control, be favorable to alleviateing experimenter's physical labor intensity.
Drawings
FIG. 1 is a schematic structural view of the ore drawing apparatus of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
1. the device comprises an upper box body, 2, a lower box body, 3, a base, 4, a worm gear and worm screw lifter, 5, peach-shaped ore pillars, 6, a motor, 7, a connecting plate, 8 and a mine removal roadway;
41. a screw (lead screw), 42, a lifting nut, 43, a worm gear, 61 and a No. 1 transmission connecting rod; 62. no. 2 transmission connecting rod, No. 63 and No. 3 transmission connecting rod, and 64 a steering gear.
Detailed Description
Example 1
An indoor simulated ore drawing device capable of automatically adjusting height comprises an upper box body 1, a lower box body 2, a base 3 and a lifting control system, wherein the lifting control system is a lifter, and the lower box body is arranged on the base 3;
the upper box body 1 consists of four side walls without a top cover and a bottom, the lower box body 2 consists of four side walls without a top cover and a bottom, an ore drawing bottom structure is arranged in the lower box body, the ore drawing bottom structure consists of peach-shaped ore pillars 5 and ore drawing roadways 8, and the peach-shaped ore pillars 5 and the ore drawing roadways 8 are spaced from each other and are closely arranged at the bottom of the lower box body; the bottom end of the upper box body 1 is inserted into the lower box body 2 from the top of the lower box body 2;
the lifter is fixedly connected with the upper box body 1;
the lifter is four identical worm and gear lead screw lifters 4, each worm and gear lead screw lifter 4 comprises a screw rod (lead screw) 41, a lifting nut 42 and a worm gear 43, the four worm gear 43 are mounted on the ground and distributed around the lower box body 2, the screw rods (lead screws) 41 are inserted into the worm gear 43 and are parallel to four vertical edges of the lower box body 2, and the lifting nuts 42 are sleeved on the screw rods (lead screws) 41; the screw (lead screw) 41 is driven by the worm gear 43 to rotate, and the lifting nut 42 on the screw (lead screw) 41 is driven to move up and down;
four corners of the upper edge of the upper box body are respectively provided with a connecting plate 7, and the connecting plates 7 are fixed with lifting nuts 41 of the adjacent worm and gear screw lifters 4 through bolts;
the four elevators share one motor 6, the motor 6 is connected with a worm gear 43 of one worm gear and worm screw elevator 4 through a coupler, and the worm gear and worm screw elevator connected with the motor is connected with a worm gear 43 of a second worm gear and worm screw elevator through a No. 1 transmission connecting rod 61; the second worm gear and worm screw rod lifter is connected with a worm gear 43 of the third worm gear and worm screw rod lifter through a No. 2 transmission connecting rod 62 with a steering gear 64 at two ends; the third worm gear-worm screw rod lifter is connected with the worm gear 43 of the fourth worm gear-worm screw rod lifter through a No. 3 transmission connecting rod 63, so that the four worm gear-worm screw rod lifters can synchronously run, and a lifting nut on a screw rod (screw rod) is driven to move up and down simultaneously through the rotation of the screw rod (screw rod), so that the upper box body is driven to move up and down stably.
When the device is used:
firstly, calculating the required sizes of an upper box body and a lower box body according to structural parameters of a stope adopting a pillarless sublevel caving method to be simulated, selecting a lifting control system, and assembling a device;
secondly, adjusting the height of the upper box body, namely the subsection height;
when the height of the upper box body needs to be increased, a motor is started to rotate forwards, four worm and gear screw lifters realize the anticlockwise rotation of a screw rod (a screw rod) under the action of the motor to drive a lifting nut to move upwards, the lifting nut drives the upper box body to move upwards through a connecting plate, and when the height needs to be increased, a power supply of the motor is turned off;
when the height of the upper box body needs to be reduced, a motor is started to rotate reversely, four worm and gear screw rod lifters realize clockwise rotation of a screw rod (a screw rod) under the action of the motor to drive a lifting nut to move downwards, the lifting nut drives the upper box body to move downwards through a connecting plate, and when the height needs to be reduced, a power supply of the motor is turned off;
thirdly, after the combined height of the upper box body and the lower box body reaches the sectional height of the simulation experiment, ore filling can be carried out on the model box, and an ore drawing experiment is carried out;
and fourthly, after the ore drawing experiment of a certain section height is finished, re-executing the operations from the second step to the third step to carry out the ore drawing experiment again until all the ore drawing experiments of different section height parameters of the simulated experiment are finished.
Example 2
The apparatus has the same structure as that of the apparatus of embodiment 1, except that:
the four elevators share one motor, the motor is connected with one transmission connecting rod through a coupler, two ends of the transmission connecting rod are respectively connected with one steering gear, each steering gear is connected with one synchronous transmission connecting rod, and each synchronous transmission connecting rod is connected with two worm gears.
Example 3
The apparatus has the same structure as that of the apparatus of embodiment 1, except that:
the lifting control system is four hydraulic cylinders of the same type and the same specification and controlled by the same hydraulic power source, four corners of the upper edge of the upper box body are respectively provided with a connecting plate, and the top end of a piston rod of each hydraulic cylinder is fixedly connected with the connecting plates, so that the upper box body is controlled by the hydraulic cylinders to move up and down simultaneously.
When the device is used:
when the lifting control system is a hydraulic cylinder:
firstly, calculating the required sizes of an upper box body and a lower box body according to structural parameters of a stope adopting a pillarless sublevel caving method to be simulated, selecting a lifting control system, and assembling a device;
secondly, adjusting the height of the upper box body, namely the subsection height;
when the height of the upper box body needs to be increased, a hydraulic power source is started to drive a piston rod of a hydraulic cylinder to move upwards, the piston rod drives the upper box body to move upwards through a connecting plate, and when the height of the upper box body needs to be increased, the hydraulic power source is closed;
when the height of the upper box body needs to be reduced, a hydraulic valve of the hydraulic cylinder is opened, a piston rod moves downwards, the piston rod drives the upper box body to move downwards through a connecting plate, and when the required height is reached, the hydraulic valve is closed;
thirdly, after the combined height of the upper box body and the lower box body reaches the sectional height of the simulation experiment, ore filling can be carried out on the model box, and an ore drawing experiment is carried out;
and fourthly, after the ore drawing experiment of a certain section height is finished, re-executing the operations from the second step to the third step to carry out the ore drawing experiment again until all the ore drawing experiments of different section height parameters of the simulated experiment are finished.
Claims (6)
1. An indoor simulation ore drawing device capable of automatically adjusting height is characterized by comprising an upper box body, a lower box body and a lifting control system;
the upper box body consists of four side walls and is not provided with a top cover and a box bottom; the lower box body consists of four side walls without a top cover and a box bottom, and the bottom of the lower box body is provided with a plurality of ore drawing bottom structures; the bottom end of the upper box body is inserted into the lower box body through the top of the lower box body;
the ore drawing bottom structure consists of a plurality of peach-shaped ore pillars and an ore removal roadway, and the peach-shaped ore pillars and the ore removal roadway are mutually spaced and tightly connected;
the lifting control system is fixedly connected with the upper box body;
the lifting control system is a lifter;
the lifter is four identical worm and gear lead screw lifters, each worm and gear lead screw lifter is composed of a screw, a lifting nut and a worm gear, the worm gear is mounted on the ground, the four worm gear are distributed around the lower box body, the screw is inserted into the worm gear and is parallel to the side wall of the lower box body, and the lifting nut is sleeved on the screw; the screw is driven by the worm gear to rotate so as to drive the lifting nut on the screw to move up and down;
the four worm and gear lead screw elevators share one motor, the motor is connected with a worm gear of one worm and gear lead screw elevator through a coupler, and the worm and gear lead screw elevator connected with the motor is connected with a worm gear of a second worm and gear lead screw elevator through a transmission connecting rod; the second worm gear and worm screw rod lifter is connected with a worm gear of a third worm gear and worm screw rod lifter through a transmission connecting rod with steering gears at two ends; the third worm gear-worm screw rod lifter is connected with a worm gear machine of the fourth worm gear-worm screw rod lifter through a transmission connecting rod, so that the synchronous operation of the four lifters is realized, and a lifting nut on a screw rod is driven to synchronously move up and down through the rotation of the screw rod, so that the upper box body is driven to stably move up and down;
or the four worm and gear screw lifters share one motor, the motor is connected with one transmission connecting rod through a coupler, two ends of the transmission connecting rod are respectively connected with one steering gear, each steering gear is connected with one synchronous transmission connecting rod, each synchronous transmission connecting rod is connected with two worm and gear machines, synchronous operation of the four lifters is achieved, lifting nuts on the screw rods are driven to synchronously move up and down through rotation of the screw rods, and the upper box body is driven to move up and down.
2. The indoor simulated ore drawing device with automatic height adjustment according to claim 1, wherein the device is further provided with a base, and the lower box body is arranged on the base.
3. The indoor simulated ore drawing device with automatic height adjustment according to claim 1, wherein a connecting plate is arranged at each of four corners of the upper edge of the upper box body, and the connecting plates are fixedly connected with a lifting nut of the worm gear-worm screw rod lifter.
4. The indoor simulated ore drawing device with automatic height adjustment according to claim 1, wherein the lifting control system is four hydraulic cylinders of the same type and the same specification controlled by a hydraulic power source, four corners of the upper edge of the upper box body are respectively provided with a connecting plate, the top end of a piston rod of each hydraulic cylinder is fixedly connected with the connecting plates, and the upper box body is controlled by the hydraulic cylinders to move up and down simultaneously.
5. An indoor simulated ore drawing method with automatic height adjustment by using the device of claim 1, characterized by comprising the following steps:
firstly, calculating the required sizes of an upper box body and a lower box body according to structural parameters of a stope adopting a pillarless sublevel caving method to be simulated, selecting a lifting control system, and assembling a device;
secondly, adjusting the height of the upper box body, namely the subsection height;
when the height of the upper box body needs to be increased, a motor is started to rotate forwards, four worm and gear screw lifters drive a lifting nut to move upwards under the action of the motor, the lifting nut drives the upper box body to move upwards through a connecting plate, and when the height needs to be increased, a power supply of the motor is turned off;
when the height of the upper box body needs to be reduced, a motor is started to rotate reversely, four worm and gear screw lifters drive a lifting nut to move downwards under the action of the motor, the lifting nut drives the upper box body to move downwards through a connecting plate, and when the height reaches the required height, a power supply of the motor is turned off;
thirdly, when the combined height of the upper box body and the lower box body reaches the sectional height of the simulated experiment, the model box can be filled with ores, and an indoor simulated ore drawing experiment is carried out;
and fourthly, after the ore drawing experiment of a certain section height is finished, performing the experiment of the next section height parameter, namely executing the operation from the second step to the third step, readjusting the section height, and performing the ore drawing experiment again until all the indoor simulation ore drawing experiments of different section height parameters are finished.
6. An indoor simulated ore drawing method with automatic height adjustment by using the device of claim 4, characterized by comprising the following steps:
firstly, calculating the required sizes of an upper box body and a lower box body according to structural parameters of a stope adopting a pillarless sublevel caving method to be simulated, selecting a lifting control system, and assembling a device;
secondly, adjusting the height of the upper box body, namely the subsection height;
when the height of the upper box body needs to be increased, a hydraulic power source is started to drive a piston rod of a hydraulic cylinder to move upwards, the piston rod drives the upper box body to move upwards through a connecting plate, and when the height of the upper box body needs to be increased, the hydraulic power source is closed;
when the height of the upper box body needs to be reduced, a hydraulic valve of the hydraulic cylinder is opened, a piston rod moves downwards, the piston rod drives the upper box body to move downwards through a connecting plate, and when the height of the upper box body needs to be reduced, a hydraulic power source is closed;
thirdly, when the combined height of the upper box body and the lower box body reaches the sectional height of the simulated experiment, the model box can be filled with ores, and an indoor simulated ore drawing experiment is carried out;
and fourthly, after the ore drawing experiment of a certain section height is finished, performing the experiment of the next section height parameter, namely executing the operation from the second step to the third step, readjusting the section height, and performing the ore drawing experiment again until all the indoor simulation ore drawing experiments of different section height parameters are finished.
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| CN206871720U (en) * | 2017-06-26 | 2018-01-12 | 辽宁科技大学 | A kind of lab simulation ore drawing device of automatic height adjustment |
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| CN107128618A (en) | 2017-09-05 |
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