CN212668586U - Four-screw type bin allocation and clearing integrated machine and flat bottom type cylindrical bin - Google Patents

Four-screw type bin allocation and clearing integrated machine and flat bottom type cylindrical bin Download PDF

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Publication number
CN212668586U
CN212668586U CN202021271794.2U CN202021271794U CN212668586U CN 212668586 U CN212668586 U CN 212668586U CN 202021271794 U CN202021271794 U CN 202021271794U CN 212668586 U CN212668586 U CN 212668586U
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China
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screw
bin
silo
degree rotating
pulley block
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Expired - Fee Related
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CN202021271794.2U
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Chinese (zh)
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祖珂
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Shanxi Anmei Mine Industry Design Engineering Co ltd
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Shanxi Anmei Mine Industry Design Engineering Co ltd
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Abstract

The utility model provides a four-screw type bin allocation and cleaning integrated machine and a flat-bottom type cylindrical bin, belonging to the technical field of storage machinery, wherein the four-screw type bin allocation and cleaning integrated machine comprises an annular track, a 360-degree rotating bridge frame, a screw conveyor hanging frame, a four-screw conveyor and a swing-preventing and collision-preventing mechanism; the annular track is arranged at the top of the cylinder wall; the two ends of the 360-degree rotating bridge frame are provided with walking wheels, and the walking wheels walk along the annular track; a winch and a fixed pulley block are arranged on the 360-degree rotating bridge; the spiral conveyor hanger is positioned below the 360-degree rotating bridge frame and is provided with a movable pulley block, and the spiral conveyor hanger is connected with the winch through the movable pulley block, the fixed pulley block and the steel wire rope; the four-screw conveyer consists of two double-screw conveyers, is fixed below a hanging bracket of the screw conveyer, and is provided with an anti-swing and anti-collision mechanism at the tail part. Above-mentioned four screw machine types are joined in marriage storehouse and are cleared storehouse all-in-one and flat bottom formula silo has realized that flat bottom formula silo is joined in marriage the storehouse and is cleared the storehouse integration, has effectively promoted the development of flat bottom formula silo.

Description

Four-screw type bin allocation and clearing integrated machine and flat bottom type cylindrical bin
Technical Field
The utility model belongs to the technical field of storage machinery, a storehouse all-in-one and flat bed formula silo are joined in marriage to four screw machine types specifically disclosed.
Background
The cylindrical silo is divided into a cone bucket type or a flat bottom type (referring to a lower structure of the cylindrical silo) from the civil structure form. Present widely used awl bucket formula silo joins in marriage the storehouse mode: the bin is allocated in a point-type and line-type mode, and the discharging mode is as follows: the material is discharged from a funnel. Therefore, the development of the cylindrical silo to large diameter, large capacity and large scale is limited. Under the same capacity, the conical hopper cylindrical bin has the advantages of high bin body, low filling rate, complex civil engineering structure and high foundation treatment cost.
The flat-bottom type cylindrical silo has the greatest advantages of large storage capacity, small occupied area of unit storage capacity, simple construction and low unit investment, particularly, under the condition that environmental protection is greatly advocated in China, the bulk material storage and transportation systems such as port coal terminals, thermal power plants, steel, mines, cement, building materials, chemical engineering and the like are more and more favored by users for large-diameter and large-capacity coal storage forms, and a matched device, namely a bin allocation and bin clearing machine, is the most critical ring for using the flat-bottom type cylindrical silo.
Coal storage is different from other bulk materials such as grains and cement, and is determined by the special properties of coal, and the coal storage technology is the most complex and difficult, such as: the particles are different in size and uneven in granularity; the raw coal is filled with coal gangue, so that the hardness is higher; contains harmful chemical components of sulfur, and corrodes steel; containing moisture to rust the equipment; poor flowability; coal has spontaneous combustion property, and is easy to generate spontaneous combustion; the coal contains methane gas and dust, is easy to cause explosion and the like, and is easy to form plates and arch after being pressed in a coal bunker; the working environment in the coal bunker is very harsh. The bunker allocation and cleaning machine is specially designed for coal storage, but is also suitable for grain, building material, cement, chemical industry and other bulk material storage industries.
SUMMERY OF THE UTILITY MODEL
The utility model discloses use storage coal as the design object, provide a four spiral shell auger types and join in marriage storehouse and clear storehouse all-in-one and flat formula silo, realized flat formula silo and joined in marriage the storehouse and clear storehouse integration, effectively promoted the development of flat formula silo.
In order to achieve the above object, the utility model provides a storehouse all-in-one is joined in marriage to four screw machine types arranges on the flat formula silo of corresponding diameter, and equipment mainly includes: the device comprises a 360-degree rotating steel bridge frame system, a hydraulic winch system, four sets of screw conveyor systems and two sets of anti-swing and anti-collision mechanisms. The 360-degree rotating steel bridge frame system runs on an annular track on the top of the bin; the hydraulic winch system drives the screw conveyor to move up and down, and the movement of the whole equipment in a three-dimensional space in the bin is completed.
Further, the tail part of the screw conveyer is of a T-shaped structure, and two groups of anti-swing and anti-collision mechanisms are arranged on each side of the screw conveyer.
Further, the horizontal rubber wheel and the vertical rubber wheel are both solid rubber wheels.
Further, the four-screw conveyor is provided with a reduction motor drive.
Further, the annular track is an annular gear rack; the walking wheel of the 360-degree rotating bridge frame is matched with the annular gear track and is provided with a driving mechanism.
Furthermore, the winch is a hydraulic winch, and the steel wire rope is a mining steel wire rope.
The utility model also provides a flat formula silo, join in marriage storehouse clear storehouse all-in-one including storehouse basis, the section of thick bamboo wall of setting on storehouse basis, the storehouse top of setting on the section of thick bamboo wall and above-mentioned four screw machines.
Further, a discharging equipment chamber is arranged on the bin foundation; a coal discharge ditch is arranged on one side of the discharging equipment chamber, and a gate and a discharging and conveying device for conveying materials to the outside of the flat-bottom cylindrical bin are arranged in the discharging equipment chamber; an upper bin rubber belt conveyor is arranged on the top of the bin; the machine head chute of the upper bin rubber belt conveyor is connected with the center of the 360-degree rotating bridge through a rotary support, and the machine tail is positioned outside the bin top.
Further, the top of the bin is of a membrane steel structure.
The utility model has the advantages of it is following:
1. the design concept of three-dimensional bin allocation and bin clearing is adopted in the design of a flat-bottom type cylindrical bin for the first time, the design of an annular rail and a 360-degree rotating bridge is adopted for rotation, the design of a winch, a movable pulley, a fixed pulley and a steel wire rope is adopted for lifting, the design of four-point one-plane rubber wheel support is adopted for anti-swing and anti-collision, the design concept of opposite operation of four-screw conveyors is adopted for bin allocation and bin clearing, the four-screw conveyors overcome axial counter force generated by the two-screw conveyors, the conveying capacity of the integrated machine is doubled, and the bin allocation and bin clearing are realized by positive and negative rotation of the screw conveyors, so that the whole equipment has two purposes (bin allocation;
2. the integrated machine is designed on the bin, so that the heavy pressure, corrosion and pollution of coal are avoided, and the output of the equipment is saved by raking the coal from top to bottom during working;
3. the all-in-one machine has a simple structure, is designed uniformly with a steel mesh truss roof and a civil structure, reduces the weight of the bin, simplifies the civil construction, improves the bin loading efficiency, greatly reduces the height of the bin body by canceling the funnel part of the cylindrical bin, has simple basic treatment and greatly reduces the investment cost;
4. the whole set of equipment has the functions of dust prevention and explosion prevention, saves occupied land, saves energy, is simple to manufacture, simplifies the civil engineering quantity under the upper (roof) and lower (foundation) large-diameter cylindrical silos, greatly reduces the capital construction investment, improves the possibility of popularization and utilization of the large-diameter floor flat-bottom cylindrical silos, and has good economic benefit, environmental protection benefit and social benefit;
5. above-mentioned four screw machines type is joined in marriage storehouse and is cleared storehouse all-in-one is fit for various types of silos (including steel construction silo), and this machine is the four screw conveyer of 1 meter of blade diameter, and the single storehouse diameter of cooperation 20 ~ 50 meters, conveying capacity 1000 ~ 3600t/h, and automatic storehouse and the storehouse of clearing are joined in marriage, dustproof explosion-proof, and the ability is supporting with the sticky tape conveyer, can be used for: the device comprises a port coal wharf, a large-scale coal storage yard, a coal blending center, a coal delivery station, a coal mine, a coal preparation plant, a power plant, a steel plant, a cement plant and other cylindrical silos, and can be used for silo distribution and clearing for storing solid bulk materials such as coal, grains, cement and the like.
Drawings
FIG. 1 is a front view of a flat bottom silo;
FIG. 2 is an enlarged top view of the flat bottom silo;
FIG. 3 is a side view of a flat bottom silo;
figure 4 is a top view of a flat bottom drum.
In the figure: 1-an annular track; 2-360 degree rotary bridge frame; 2.1-road wheels; 3-a screw conveyor hanger; 4-four screw conveyors; 4.1-speed reducing motor; 5-a winch; 6-movable and fixed pulley blocks; 7-a steel wire rope; 8-a rubber wheel mounting rod; 9-an electro-hydraulic push-pull rod; 10-transverse rubber wheels; 11-vertical rubber wheels; 101-a cylinder wall; 102-bin basis; 103-bin top; 104-a discharge equipment chamber; 105-a coal unloading ditch; 106-a gate; 107-discharge transport means; 108-feeding a rubber belt conveyor; 109-rotating chute supports; 201-bunker allocation coal line; 202-self-retained coal line; 203-dead coal position line.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment provides a four-screw type bin allocation and clearing integrated machine which is arranged in a flat-bottom type cylindrical bin and comprises an annular track 1, a 360-degree rotating bridge frame 2, a screw conveyor hanging bracket 3, a four-screw conveyor 4 and an anti-swing and anti-collision mechanism; the annular track 1 is arranged at the top of the cylinder wall 101; two ends of the 360-degree rotating bridge frame 2 are provided with traveling wheels 2.1, and the traveling wheels 2.1 travel along the annular track 1, so that the 360-degree rotating bridge frame 2 rotates around the central axis of the cylinder wall 101; the 360-degree rotating bridge frame 2 is provided with a winch 5 and a fixed pulley block, and the winch 5 and the fixed pulley block are symmetrically arranged by taking the central axis of the cylinder wall 101 as a symmetry axis; the spiral conveyor hanger 3 is positioned below the 360-degree rotating bridge frame 2 and is provided with a movable pulley block, and the spiral conveyor hanger 3 is connected with the winch 5 through a movable pulley block 6, a fixed pulley block 6 and a steel wire rope 7 wound on the movable pulley block 6 and the fixed pulley block 6; the four-screw conveyor 4 consists of two double-screw conveyors, the two double-screw conveyors are symmetrically fixed below the hanging bracket 3 of the screw conveyor by taking the central axis of the cylinder wall 101 as a symmetry axis, and the tail part of the screw conveyor is provided with an anti-swing and anti-collision mechanism; the anti-swing and anti-collision mechanism comprises a rubber wheel, a rubber wheel mounting rod 8 and an electro-hydraulic push-pull rod 9; the rubber wheel mounting rod 8 is hinged with the tail part of the double-screw conveyor, and a transverse rubber wheel 10 and a vertical rubber wheel 11 which are used for being in contact with the cylinder wall 101 are respectively arranged at the two ends of the rubber wheel mounting rod; the cylinder body of the electro-hydraulic push-pull rod 9 is hinged with the tail part of the double-screw conveyor, and the piston is hinged with the rubber wheel mounting rod 8.
Further, the tail part of the screw conveyer is of a T-shaped structure, and two groups of anti-swing and anti-collision mechanisms are arranged on each side of the screw conveyer.
Further, the horizontal rubber wheel 10 and the vertical rubber wheel 11 are both solid rubber wheels.
Further, the double-helix conveyer is provided with a speed reduction motor 4.1 for driving.
Further, the annular track 1 is an annular rack; the traveling wheels 2.1 of the 360-degree rotating bridge frame 2 are matched with the annular gear track and are provided with a driving mechanism.
Further, the winch 5 is a hydraulic winch, and the steel wire rope 7 is a mining steel wire rope.
The embodiment also provides a flat-bottom type cylindrical bin which comprises a bin foundation 102, a bin wall 101 arranged on the bin foundation 102, a bin top 103 arranged on the bin wall 101 and the four-screw type bin allocation and clearing all-in-one machine.
Further, a discharge equipment chamber 104 is arranged on the bin foundation 102; a coal discharge ditch 105 is arranged on one side of the discharging equipment chamber 104, and a gate 106 and a discharging transportation device 107 for transporting materials to the outside of the flat-bottom cylindrical bin are arranged in the discharging equipment chamber 104; an upper bin rubber belt conveyor 108 is arranged on the bin top 103; the head chute of the upper bin rubber belt conveyor 108 is connected with the center of the 360-degree rotating bridge frame 2 through a rotary support 109, and the tail is positioned outside the bin top 103.
Further, the bin top 103 is of a membrane steel structure, and the gate 106 is an electro-hydraulic gate.
The operation of the flat bottom silo is as follows.
When loading into a bin: the integrated machine does not need to start (save energy) on the coal blending coal line 201, only the upper bin rubber belt conveyor 108 is needed to discharge the ground coal into the bin through the machine head chute and the rotary support 109, when the coal level rises to reach the self-remaining coal line 202, the four-screw conveyor 4 of the integrated machine is started reversely, the bridge frame 2 rotates by 360 degrees at a low speed to blend the coal in the center of the bin to the periphery of the bin, the bin is filled, and the machine is stopped.
When clearing the warehouse: when the coal in the bunker reaches the dead coal position line 203 and no flowing capacity exists, the winch 5 lowers the four-screw conveyor 4 to dead coal, the four-screw conveyor 4 is started to rotate in the forward direction, the 360-degree rotating bridge frame 2 and the winch 5 are matched with the four-screw conveyor 4 to work to push the dead coal around the bunker to the coal unloading ditch 105 in the middle of the bunker, the gate 106 in the discharging equipment chamber 104 is opened, and the coal is unloaded from the coal unloading ditch 105 and flows to the discharging and transporting device 107 (such as a scraper conveyor or a belt conveyor) to be transported out of the bunker. Along with the reduction of the coal level, the winch 5 is slowly lowered, the 360-degree rotating bridge frame 2 is slowly rotated, (the speeds of the winch 5 and the 360-degree rotating bridge frame 2 are adjustable), the four-point plane solid rubber wheel supports the bin wall, the four-screw conveyor 4 is controlled to swing left and right and back and forth, four transverse rubber wheels 10 at the tail part of each double-screw conveyor are in contact with the bin wall 101 when the four-screw conveyor 4 moves radially, four vertical rubber wheels 11 at the tail part of each double-screw conveyor are in contact with the bin wall 101 when the four-screw conveyor 4 moves vertically, the four-screw conveyor 4 and the screw conveyor hanger 3 are prevented from colliding with the bin wall 101, the four-screw conveyor 4 is prevented from swinging left and right and back and forth, the screw conveyor blades have the functions of arch breaking and junction breaking, and dead coal is pushed out of the bin layer by layer until the bin bottom. The four-screw conveyer 4 and the 360-degree rotating bridge frame 2 are stopped, the winch 5 lifts the four-screw conveyer 4 to a high position, and the winch 5 is stopped by braking to perform the next cycle.
To sum up, the bin capacity is improved (point-changing type and line type bin allocation is surface type bin allocation) by the four-screw type bin allocation and bin clearing integrated machine and the flat bottom type cylindrical bin provided by the utility model; saving motor power (the integrated machine is started to work only when the coal level rises to reach the self-remaining coal level line 202 and dead coal under the bunker does not flow); the investment is saved (the upper structure and the lower structure of the silo are simplified); the logistics quality and the environmental protection quality are improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. A four-screw type bin allocation and clearing integrated machine is characterized by being arranged in a flat-bottom type cylindrical bin and comprising an annular track, a 360-degree rotating bridge, a screw conveyor hanger, a four-screw conveyor and an anti-swing and anti-collision mechanism;
the annular track is arranged at the top of the cylinder wall;
traveling wheels are mounted at two ends of the 360-degree rotating bridge and walk along the annular track, so that the 360-degree rotating bridge rotates around the central axis of the cylinder wall;
a winch and a fixed pulley block are arranged on the 360-degree rotating bridge frame and are symmetrically arranged by taking the central axis of the cylinder wall as a symmetry axis;
the spiral conveyor hanger is positioned below the 360-degree rotating bridge frame and is provided with a movable pulley block, and the spiral conveyor hanger is connected with the winch through a movable pulley block, a fixed pulley block and a steel wire rope wound on the movable pulley block and the fixed pulley block;
the four-screw conveyer consists of two double-screw conveyers, the two double-screw conveyers are symmetrically fixed below a hanging bracket of the screw conveyer by taking the central axis of the cylinder wall as a symmetry axis, and the tail part of the screw conveyer is provided with an anti-swing and anti-collision mechanism;
the anti-swing and anti-collision mechanism comprises a rubber wheel, a rubber wheel mounting rod and an electro-hydraulic push-pull rod;
the rubber wheel mounting rod is hinged with the tail part of the double-screw conveyor, and a transverse rubber wheel and a vertical rubber wheel which are used for being in contact with the cylinder wall are respectively arranged at two ends of the rubber wheel mounting rod;
the cylinder body of the electro-hydraulic push-pull rod is hinged with the tail of the double-screw conveyor, and the piston is hinged with the rubber wheel mounting rod.
2. The four-screw type bin allocation and cleaning all-in-one machine according to claim 1 is characterized in that the tail part of the double-screw conveyor is of a T-shaped structure, and two groups of anti-swing and anti-collision mechanisms are arranged on each side of the double-screw conveyor.
3. A four-screw type bin allocation and clearing all-in-one machine as claimed in claim 1 or 2, wherein the transverse rubber wheels and the vertical rubber wheels are solid rubber wheels.
4. A four-screw type bin allocation and cleaning all-in-one machine as claimed in claim 2, wherein the double-screw conveyor is driven by a speed reduction motor.
5. The four-screw type bin allocation and cleaning all-in-one machine according to claim 1, wherein the annular track is an annular rack;
and the traveling wheels of the 360-degree rotating bridge frame are matched with the annular gear rails and are provided with a driving mechanism.
6. The four-screw type bin allocation and cleaning all-in-one machine as claimed in claim 1, wherein the winch is a hydraulic winch, and the steel wire rope is a mining steel wire rope.
7. A flat-bottom type cylindrical silo is characterized by comprising a silo foundation, a barrel wall arranged on the silo foundation, a silo top arranged on the barrel wall and the four-screw type silo matching and cleaning integrated machine as claimed in any one of claims 1 to 5.
8. The flat bottom silo according to claim 7, wherein the silo is provided with an outlet equipment chamber on the base;
a coal discharge ditch is arranged on one side of the discharging equipment chamber, and a gate and a discharging and conveying device for conveying materials to the outside of the flat-bottom cylindrical bin are arranged in the discharging equipment chamber;
an upper bin rubber belt conveyor is arranged on the top of the bin;
the machine head chute of the upper bin rubber belt conveyor is connected with the center of the 360-degree rotating bridge through a rotating chute support, and the machine tail is positioned outside the bin top.
9. The flat bottom silo according to claim 8, wherein the silo roof is of a membrane steel construction.
CN202021271794.2U 2020-07-03 2020-07-03 Four-screw type bin allocation and clearing integrated machine and flat bottom type cylindrical bin Expired - Fee Related CN212668586U (en)

Priority Applications (1)

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CN202021271794.2U CN212668586U (en) 2020-07-03 2020-07-03 Four-screw type bin allocation and clearing integrated machine and flat bottom type cylindrical bin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021271794.2U CN212668586U (en) 2020-07-03 2020-07-03 Four-screw type bin allocation and clearing integrated machine and flat bottom type cylindrical bin

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118723346A (en) * 2024-09-03 2024-10-01 山东港口日照港集团有限公司 Silo with cleaning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118723346A (en) * 2024-09-03 2024-10-01 山东港口日照港集团有限公司 Silo with cleaning device

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