CN112849790B - Mechanical bin cleaning device special for ore bin and bin cleaning method - Google Patents
Mechanical bin cleaning device special for ore bin and bin cleaning method Download PDFInfo
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- CN112849790B CN112849790B CN202011628025.8A CN202011628025A CN112849790B CN 112849790 B CN112849790 B CN 112849790B CN 202011628025 A CN202011628025 A CN 202011628025A CN 112849790 B CN112849790 B CN 112849790B
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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
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
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Abstract
The invention discloses a special mechanical bin cleaning device for an ore bin, wherein two guide pulleys are arranged on the front side of the top of the ore bin, a guide steel wire rope is fixedly arranged on each of the left side and the right side of the top of the ore bin, a row of rake teeth are arranged at intervals on the left side and the right side of the front end of a rake frame, the front ends of the rake teeth gradually incline downwards relative to the rear ends, the front ends of the rake teeth are higher than the bottoms of the rake wheels by 2-6 cm, the lower ends of two traction steel wire ropes are fastened at the front ends of the rake frame, the upper ends of the traction steel wire ropes are fastened at the front ends of a sliding steel plate after bypassing the corresponding guide pulleys, a movable pulley is arranged at the rear end of the sliding steel plate, a main steel wire rope of a winch is fixedly installed after bypassing the movable pulley, a guide pipe is fixedly installed at each of the left end and the right end of the sliding steel plate, and each guide pipe is sleeved on the corresponding guide steel wire rope. The invention also discloses a method for clearing the ore bin by using the special mechanical bin clearing device for the ore bin. The labor input is reduced, the production cost is reduced, the production efficiency is improved, and the potential safety hazard is reduced.
Description
Technical Field
The invention relates to the technical field of mining construction equipment, in particular to a device special for cleaning an ore bin.
Background
The ore generally has the characteristics of softening in water, water loss hardening and strong caking property. As the repose angle of the ore in the ore bin is large, the ore is accumulated more and more, the effective volume of the ore bin is occupied, and the normal transportation of the ore is seriously influenced. At present, two modes of manual clearing and blasting clearing are commonly used for clearing minerals adhered in an ore bin. However, manual warehouse cleaning is very difficult, time is consumed, efficiency is low, and collapse and falling safety risks are large; blasting bin cleaning relates to blasting material management, and the management of personnel safety, building and peripheral equipment facility safety during blasting has extremely high risk, so that the number of safety accidents occurring in the bin cleaning process is not high.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a special device for cleaning an ore bin, which is used for cleaning minerals bonded in the ore bin by using a mechanical principle, so that the labor input is reduced, the production cost is reduced, the production efficiency is improved, and the potential safety hazard is reduced.
Therefore, the technical scheme adopted by the invention is as follows: a special mechanical bin cleaning device for an ore bin comprises a winch, a rake car, a sliding steel plate, a guide pipe, a movable pulley, guide pulleys, a main steel wire rope, a traction steel wire rope and guide steel wire ropes, wherein the winch is fixedly arranged on the rear side of the top of the ore bin, the two guide pulleys are symmetrically arranged on the front side of the top of the ore bin at intervals left and right, the guide steel wire ropes are fixedly arranged on the left and right sides of the top of the ore bin respectively, a main body of the rake car is a welded rectangular steel rake frame, a row of rake teeth are arranged on the left and right sides of the front end of the rake frame at intervals, four rake wheels which are arranged in a rectangular shape are arranged at the bottom of the rake frame, the front ends of the rake teeth are inclined downwards relative to the rear ends gradually, the front ends of the rake teeth are higher than the bottoms of the rake wheels by 2-6 cm, the lower ends of the two traction steel wire ropes are fastened at the front ends of the rake frame, the upper ends of the traction steel wire ropes are fastened at the front ends of the sliding steel plate after bypassing the corresponding guide pulleys respectively, the movable pulley is arranged at the rear end of the sliding steel plate, the main steel wire rope of the winch is fixedly installed in a turning mode after passing around the movable pulley, one guide pipe is fixedly installed at each of the left end and the right end of the sliding steel plate, each guide pipe is sleeved on the corresponding guide steel wire rope in a penetrating mode, the mechanical bin cleaning devices special for the ore bins are arranged on the ore bins in a bilateral symmetry mode, and the front side of the ore bins is the ore coming side.
Preferably, a row of rake teeth are arranged at left and right intervals at the rear end of the rake frame, and the rear end rake teeth are arranged in the same manner as the front end rake teeth.
More preferably, each of the traction wire ropes is provided with a protection wire rope, the lower end of the protection wire rope is fastened at the front end of the harrow car, the fastening point of the protection wire rope is staggered with the fastening point of the traction wire rope and is further away from the harrow teeth at the front end of the harrow frame relative to the traction wire rope, and the upper end of the protection wire rope is fastened at the middle lower part of the corresponding traction wire rope.
Preferably, the sliding steel plate is an isosceles triangle, the top end faces backwards, and a hole is drilled at the rear end for mounting the movable pulley.
The ore bin clearing method by using the special mechanical bin clearing device for the ore bin comprises the following steps:
the first step is as follows: installing and fixing a special mechanical bin cleaning device for an ore bin, wherein the front side of the ore bin is an ore coming side;
the second step is that: placing the rake car at the bottom of the ore bin, controlling the rake car to reciprocate up and down through a winch, inserting the front rake teeth into the minerals adhered in the ore bin and returning back in the upward movement process of the rake car, and pushing the planed minerals downwards by the rear rake teeth in the downward movement process so as to carry out two-way planing of the up and down going;
the third step: continuously reciprocating until part of the bonded minerals are planed off, and controlling the rake car to move upwards by the winch to continue to carry out bin cleaning at the next stage;
the fourth step: and (5) finishing cleaning the ore bin until all the minerals adhered in the ore bin collapse.
Preferably, in the first step, the winch is fixed, the rake car is placed into the ore bin, an extension line of the center line of the winch drum is marked on the upper edge of the ore bin, a left group of guide pulleys and a right group of guide pulleys are symmetrically fixed according to the center line, the drag steel wire rope is connected and fixed with the rake car through a rope sleeve and a rope clamp, and then the drag steel wire rope penetrates through the guide pulleys and then is fixed with the connecting sliding steel plate; one movable pulley and two welding guide pipes are arranged on the sliding steel plate, and a main steel wire rope of the winch penetrates through the movable pulley and then is fixed on a foundation bolt of the winch in a turning-back mode; and finally, two guide steel wire ropes penetrate through corresponding guide pipes on the sliding steel plate, and the four rope ends are respectively fixed on two sides of the ore bin.
The invention has the beneficial effects that:
(1) because the angle of repose of the middle part of the ore coming side of the ore bin is the largest, the sticky ore is the most serious and is the least easy to remove, the rake car is arranged on the ore coming side of the ore bin and is arranged in the middle left and right, the sticky ore is planed from the bottom of the ore bin and planed upwards from the root of the sticky ore, once the sticky ore at the position is planed, the collapse type bin removal of the sticky ore can be quickly realized, the bin removal is efficient and quick, a large amount of labor force can be reduced, the labor intensity is reduced, and the production cost is saved; the combination of up-down bidirectional ore planing avoids the support formed below the planed ore accumulation, which prevents the subsequent timely collapse of sticky ore;
(2) the guide steel wire rope and the guide pipe are additionally arranged, so that the sliding steel plate connected with the harrow car can only move back and forth along the guide steel wire rope, and even if the main steel wire rope is broken, the sliding steel plate can only slide to a limit position forwards and cannot fall down, and the harrow car cannot fall down to damage other devices at the bottom of the storehouse; furthermore, a protective steel wire rope is additionally arranged at the position where the traction steel wire rope is easy to wear and break, and the guide steel wire rope and the guide pipe are combined to play a role in double protection, so that the rake truck is ensured not to accidentally fall, and the device is safe and reliable;
(3) compared with manual clearing and blasting clearing, the method has the advantages that personnel do not need to enter the ore bin, the intrinsic safety is realized, and the potential safety hazard is reduced;
(4) the efficiency of clearing the storehouse is improved, increase storehouse reserves, improves production efficiency.
Drawings
FIG. 1 is a top view of the present invention.
Fig. 2 is a side view of the present invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-2, a mechanical cleaning device for ore bins mainly comprises a winch 1, a rake 2, a sliding steel plate 3, a guide pipe 4, a movable pulley 5, a guide pulley 6, a main steel wire rope 7, a traction steel wire rope 8, a guide steel wire rope 9 and a protection steel wire rope 10.
The winch 1 is fixedly arranged at the rear side of the top of the ore bin, and the two guide pulleys 6 are symmetrically arranged at the front side of the top of the ore bin at left and right intervals.
The left side and the right side of the top of the ore bin are respectively and fixedly provided with a guide steel wire rope 9, and the front end and the rear end of each guide steel wire rope 9 are respectively fixed on the front side and the rear side of the ore bin.
The main body of the rake car 2 is a rectangular steel rake frame 2a formed by welding, a row of rake teeth 2b are arranged at the left and right of the front end of the rake frame 2a at intervals, and the number of the rake teeth 2b is at least three. The bottom of the harrow plate 2a is provided with four harrow wheels 2c, and the harrow wheels 2c are arranged in a rectangular shape. In order to use the rake car to freely move up and down on the slope surface of the inclined ore bin, four rake wheels 2c are additionally arranged at the bottom of the rake car 2, so that the rake car can dig and stick ore by utilizing inertia when moving downwards; the traction load is lighter when going upwards.
The front end of the rake teeth 2b is gradually inclined downwards relative to the rear end, so that the front end of the rake teeth 2b can be inserted into the mineral adhered in the ore bin. The front end of the rake teeth 2b is 2-6 cm higher than the bottom of the rake wheel 2c, so that the lowest position of the rake teeth 2b is away from the walking surface by 2-6 cm, and the rake teeth 2b can not damage the inner wall of the ore bin in the walking process of the rake truck 2.
The lower ends of two traction wire ropes 8 are fastened to the front end of the rake frame 2a, and the upper ends of the traction wire ropes 8 are fastened to the front end of the sliding steel plate 3 after passing around the corresponding guide pulleys 6.
The movable pulley 5 is installed at the rear end of the sliding steel plate 3, and the main steel wire rope 7 of the winch 1 is folded back and fixedly installed after passing around the movable pulley 5. Preferably, the main wire rope 7 is fixedly installed on the foundation bolt of the winch after being folded back.
The left end and the right end of the sliding steel plate 3 are respectively fixedly provided with a guide pipe 4, and the guide pipes 4 are preferably fixed by welding. Each guide pipe 4 is sleeved on the corresponding guide steel wire rope 9.
The mechanical cleaning device special for the whole ore bin is arranged on the ore bin in the left-right symmetry way, and the front side of the ore bin is the ore coming side.
Preferably, a row of tines 2b is provided at the rear end of the rake frame 2a at a left-right interval, and the rear end tines 2b are provided in the same manner as the front end tines 2 b.
Each traction steel wire rope 8 is provided with a protection steel wire rope 10, the lower end of each protection steel wire rope 10 is fastened at the front end of the harrow car 2, the fastening point is staggered with the fastening point of the traction steel wire rope 8 and is far away from the harrow teeth 2b at the front end of the harrow frame 2a relative to the traction steel wire rope 8, and the upper end of each protection steel wire rope 10 is fastened at the middle lower part of the corresponding traction steel wire rope 8. In order to prevent the rope end of the steel wire rope 8 from being worn due to relative movement in the use process of the traction steel wire rope 8 and prevent the wire breakage and the breakage caused by the corrosion and the like at the connection and fixation part of the rope end of the steel wire rope 8 when water is carried in an ore, the protection steel wire rope 10 is additionally arranged. Because the lower end of the protection steel wire rope 10 is different from the connecting point of the traction steel wire rope 8 at the position where the rake frame 2a is fixedly connected and does not bear force during normal work, even if the traction steel wire rope 8 is broken, the protection steel wire rope 10 can replace the protection steel wire rope 10 to lift the rake car 2, and the rake car is prevented from falling into the bottom of the ore bin to damage other devices.
Preferably, two mounting lugs 11 are welded to the top of the front end of the rake frame 2a at left and right intervals, and the lower end of the protective wire rope 10 is fastened to the mounting lugs 11.
The sliding steel plate 3 is preferably an isosceles triangle with the top end facing backwards and the rear end drilled for mounting the movable pulley 5.
The ore bin clearing method utilizes the special mechanical ore bin clearing device and comprises the following steps:
the first step is as follows: installing and fixing a special mechanical bin cleaning device for the ore bin, wherein the front side of the ore bin is a coming side;
the second step is that: placing the rake car 2 at the bottom of the ore bin, controlling the rake car 2 to reciprocate up and down through the winch 1, inserting the front-end rake teeth 2b into the minerals adhered in the ore bin and returning back in the upward movement process of the rake car 2, and pushing the planed minerals downwards by the rear-end rake teeth 2b in the downward movement process so as to carry out up-and-down bidirectional planing;
the third step: continuously reciprocating until part of the bonded minerals are planed off, and controlling the rake car 2 to move upwards by the winch 1 to continue the next-stage bin cleaning;
the fourth step: and (4) until all the minerals bonded in the ore bin collapse in a collapse mode, and clearing the bin.
When the scraper car is installed on site, the winch is fixed, the scraper car is placed into the ore bin, an extension line of the central line of the winch drum is marked on the upper edge of the ore bin, the left and right groups of guide pulleys are symmetrically fixed according to the central line, the traction steel wire rope is connected and fixed with the scraper car through a rope sleeve and a rope clamp, and then the traction steel wire rope penetrates through the guide pulleys and then is fixed with the connecting sliding steel plate; one movable pulley and two welding guide pipes are arranged on the sliding steel plate, and a main steel wire rope of the winch penetrates through the movable pulley and then is fixed on a foundation bolt of the winch in a turning-back mode; and finally, two guide steel wire ropes penetrate through corresponding guide pipes on the sliding steel plate, and the four rope ends are respectively fixed on two sides of the ore bin.
Claims (6)
1. The utility model provides a clear storehouse device of special machinery in ore bin which characterized in that: the mining drag comprises a winch (1), a drag car (2), a sliding steel plate (3), a guide pipe (4), a movable pulley (5), guide pulleys (6), a main steel wire rope (7), a traction steel wire rope (8) and guide steel wire ropes (9), wherein the winch (1) is fixedly arranged on the rear side of the top of a mining bin, the two guide pulleys (6) are symmetrically arranged on the front side of the top of the mining bin at left and right intervals, the guide steel wire ropes (9) are fixedly arranged on the left and right sides of the top of the mining bin respectively, the main body of the drag car (2) is a welded rectangular steel drag rack (2 a), a row of drag teeth (2 b) are arranged on the left and right sides of the front end of the drag rack (2 a) at intervals, four drag wheels (2 c) which are arranged in a rectangular shape are arranged at the bottom of the drag rack (2 a), the front ends of the drag teeth (2 b) are inclined angles gradually downwards, and the front ends of the drag teeth (2 b) are 2-6 cm higher than the bottoms of the drag wheels (2 c), the lower ends of the two traction steel wire ropes (8) are fastened at the front end of the harrow frame (2 a), the upper ends of the traction steel wire ropes (8) are fastened at the front end of the sliding steel plate (3) after bypassing the corresponding guide pulleys (6), the movable pulley (5) is arranged at the rear end of the sliding steel plate (3), the main steel wire rope (7) of the winch (1) bypasses the movable pulley (5) and then turns back and is fixedly arranged, the left end and the right end of the sliding steel plate (3) are respectively fixedly provided with one guide pipe (4), each guide pipe (4) is sleeved on the corresponding guide steel wire rope (9), the special mechanical bin cleaning device for the ore bin is arranged on the ore bin in the bilateral symmetry mode, the front side of the ore bin is the ore side, the rake trucks (2) start to dig the ore upwards from the ore sticking root at the bottom of the ore bin, and once the ore sticking at the position is dug, the collapse type bin cleaning of the ore sticking can be rapidly realized.
2. The special mechanical bin cleaning device for the ore bin as claimed in claim 1, wherein: a row of rake teeth (2 b) are arranged at the rear end of the rake frame (2 a) at intervals from left to right, and the arrangement mode of the rear end rake teeth (2 b) is the same as that of the front end rake teeth (2 b).
3. The special mechanical bin cleaning device for the ore bin as claimed in claim 2, wherein: each traction steel wire rope (8) is provided with a protection steel wire rope (10), the lower end of each protection steel wire rope (10) is fastened at the front end of the harrow car (2), the fastening point is staggered with the fastening point of the traction steel wire rope (8) and is far away from harrow teeth (2 b) at the front end of the harrow frame (2 a) relative to the traction steel wire rope (8), and the upper end of each protection steel wire rope (10) is fastened at the middle-lower part of the corresponding traction steel wire rope (8).
4. The special mechanical bin cleaning device for the ore bin as claimed in claim 2, characterized in that: the sliding steel plate (3) is an isosceles triangle, the top end faces backwards, and a rear end is drilled for mounting the movable pulley (5).
5. A method for clearing the ore bin by using the special mechanical clearing device for the ore bin, which is disclosed by any one of claims 2 to 4, is characterized by comprising the following steps:
the first step is as follows: installing and fixing a special mechanical bin cleaning device for the ore bin, wherein the front side of the ore bin is a coming side;
the second step is that: placing the rake car (2) to the bottom of the ore bin, controlling the rake car (2) to reciprocate up and down through the winch (1), inserting the front rake teeth (2 b) into the minerals bonded in the ore bin and returning back in the upward movement process of the rake car (2), and pushing the planed minerals downwards through the rear rake teeth (2 b) in the downward movement process, so as to carry out up-down bidirectional planing;
the third step: continuously reciprocating until part of the bonded minerals are planed off, and controlling the rake car (2) to move upwards by the winch (1) to continue to clean the next stage;
the fourth step: and (5) finishing cleaning the ore bin until all the minerals adhered in the ore bin collapse.
6. The ore bin emptying method according to claim 5, wherein: in the first step, the winch is fixed, then the rake car is placed into the ore bin, an extension line of the central line of a winch roller is marked on the upper edge of the ore bin, a left group of guide pulleys and a right group of guide pulleys are symmetrically fixed according to the central line, a traction steel wire rope is connected and fixed with the rake car through a rope sleeve and a rope clamp, and then the traction steel wire rope penetrates through the guide pulleys respectively and then is fixed with a connecting sliding steel plate; one movable pulley and two welding guide pipes are arranged on the sliding steel plate, and a main steel wire rope of the winch penetrates through the movable pulley and then is fixed on a foundation bolt of the winch in a turning-back mode; and finally, two guide steel wire ropes penetrate through corresponding guide pipes on the sliding steel plate, and the four rope ends are respectively fixed on two sides of the ore bin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628025.8A CN112849790B (en) | 2020-12-31 | 2020-12-31 | Mechanical bin cleaning device special for ore bin and bin cleaning method |
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| CN202011628025.8A CN112849790B (en) | 2020-12-31 | 2020-12-31 | Mechanical bin cleaning device special for ore bin and bin cleaning method |
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| CN112849790A CN112849790A (en) | 2021-05-28 |
| CN112849790B true CN112849790B (en) | 2022-08-02 |
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| CN112849790A (en) | 2021-05-28 |
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