CN212668588U

CN212668588U - Double-screw machine central steel cable anti-swing type bin allocation and clearing integrated machine and flat bottom type cylindrical bin

Info

Publication number: CN212668588U
Application number: CN202021272536.6U
Authority: CN
Inventors: 祖珂
Original assignee: Shanxi Anmei Mine Industry Design Engineering Co ltd
Current assignee: Shanxi Anmei Mine Industry Design Engineering Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-09
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a double-screw machine center steel cable anti-swing type bin allocation and clearing integrated machine and a flat bottom type cylindrical bin, which belong to the technical field of storage machinery, the double-screw machine center steel cable anti-swing type bin allocation and clearing integrated machine comprises an annular track, a 360-degree rotary bridge frame, a screw conveyor hanger, a double-screw conveyor, an anti-swing mechanism and an anti-collision 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 double-helix conveyor is fixed below the hanger of the double-helix conveyor. Above-mentioned double helix machine center cable wire prevents pendulum type and joins in marriage storehouse and clear storehouse all-in-one and flat-bottom formula silo has realized the integration of flat-bottom formula silo joining in marriage storehouse and clear storehouse, has effectively promoted the development of flat-bottom formula silo.

Description

Double-screw machine central steel cable anti-swing 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 double helix machine center cable wire anti-swing type is joined in marriage storehouse and is cleared storehouse all-in-one and flat bed formula silo 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 double helix machine center cable wire anti-swing type and join in marriage the storehouse and clear storehouse all-in-one and flat bed formula silo, realized flat bed formula silo and joined in marriage the storehouse and clear storehouse integration, effectively promoted the development of flat bed formula silo.

In order to achieve the purpose, the utility model provides a double helix machine center cable wire anti-swing type joins in marriage storehouse and clear storehouse all-in-one arranges on the flat bed formula silo of corresponding diameter.

The equipment mainly comprises: the device comprises a 360-degree rotating bridge frame system, a hydraulic winch system, a spiral conveyor system, an anti-swing mechanism and an anti-collision mechanism.

The 360-degree rotating 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.

The screw conveyer comprises a left screw and a right screw, and when the bin is matched: the double-screw conveyor rotates reversely to push the materials from the center of the bin to the periphery of the bin; during discharging: the double-screw conveyer rotates forwards to push the materials from the periphery of the bin to the center of the bin, and then the materials are conveyed out of the bin through the lower bin scraper conveyor or the belt conveyor. When the screw conveyor works, coal is pushed downwards from the upper part of the coal pile, so that time and labor are saved, energy is saved, and the impact of the coal on equipment is reduced. When the screw conveyor does not work, the winch lifts the screw conveyor to the upper part of the cylindrical bin, so that the equipment is prevented from being damaged by pollution and corrosion;

the upper part of the steel cable anti-swing mechanism is hinged with a steel structure roof truss through a hydraulic cylinder, the lower part of the steel cable anti-swing mechanism is connected with a pre-buried steel beam under the cabin, a protective steel sleeve is arranged outside the steel cable to protect the steel cable from being rusted by coal, and the pre-tension force of the steel cable is utilized to reduce the swing of the spiral conveyor during working;

anticollision mechanism includes: four groups of solid rubber wheels and two groups of electro-hydraulic push-pull rods are arranged horizontally and vertically, so that the collision between a spiral conveyor hanger and the silo wall is avoided, and the equipment and the silo wall are protected.

Furthermore, the tail part of the double-helix conveyor is of a T-shaped structure, and two groups of rubber wheels and electro-hydraulic push-pull rods are arranged on each side of the double-helix conveyor.

Further, the horizontal rubber wheel and the vertical rubber wheel are both solid rubber wheels.

Further, the double-helix conveyer is provided with a speed reduction motor.

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.

Furthermore, a protective steel sleeve is arranged outside the centering anti-swing steel cable; the protective steel sleeve is formed by connecting a plurality of sections of steel pipes in a threaded manner.

The utility model also provides a flat formula silo, including storehouse basis, set up section of thick bamboo wall on storehouse basis, set up the storehouse top and the clear storehouse all-in-one in storehouse of the anti-pendulum type of the two spiral quick-witted center cable wire of the aforesaid on section of thick bamboo wall.

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 rotating chute 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 a three-dimensional bin allocation and clearing machine 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 hydraulic winch, a movable pulley block, a fixed pulley block and a steel wire rope is adopted for lifting, the design of centering and anti-swinging steel wire ropes is adopted for anti-collision, the design of a solid rubber wheel and an electro-hydraulic push-pull rod is adopted for anti-collision, the design concept of a double-screw machine is adopted for bin allocation and clearing, and the bin allocation, the reversal allocation and clearing of the double-screw machine are utilized, so that the whole equipment has;

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. the double-screw machine central steel cable anti-swing type bin allocation and clearing integrated machine is suitable for various types of cylindrical bins (including cylindrical bins with a rigid structure), is provided with a double-screw conveyor with blades of 1 meter in diameter, is matched with a single bin of 20-50 meters in diameter, has the conveying capacity of 800-1800 t/h, and is used for automatically allocating and clearing bins; dustproof explosion-proof, the ability is supporting with the sticky tape cargo airplane, 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-a double screw conveyor; 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; 12-centering anti-swing steel cable; 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 double-screw machine center steel cable anti-swing 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 rotary bridge frame 2, a screw conveyor hanger 3, a double-screw conveyor 4, an anti-swing mechanism and an 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; a winch 5 and a fixed pulley block are arranged on the 360-degree rotating bridge frame 2; 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 double-helix conveyor 4 is fixed below the spiral conveyor hanger 3, and the heads of the spiral conveyor hanger 3 and the double-helix conveyor 4 are both positioned on the central axis of the cylinder wall 101; the anti-swing mechanism comprises a centering anti-swing steel cable 12; the centering anti-swing steel cable 12 is superposed with the central axis of the cylinder wall 101, the top end of the centering anti-swing steel cable is fixed on the center of the bin top 103, the bottom end of the centering anti-swing steel cable is fixed on the center of the bin base 102, and the centering anti-swing steel cable penetrates through the spiral conveyor hanger 3 and the double-spiral conveyor 4; the 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 4, 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-helix conveyor 4, and the piston is hinged with the rubber wheel mounting rod 8.

Furthermore, the tail part of the double-helix conveyor 4 is of a T-shaped structure, and each side of the double-helix conveyor is provided with two groups of rubber wheel mounting rods 8 and electro-hydraulic push-pull rods 9.

Further, the horizontal rubber wheel 10 and the vertical rubber wheel 11 are both solid rubber wheels.

Further, the double-screw conveyor 4 is provided with a 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 lifting winch, and the steel wire rope 7 is a mining steel wire rope.

Furthermore, a protective steel sleeve is arranged outside the centering anti-swing steel cable 12; the protective steel sleeve is formed by connecting a plurality of sections of steel pipes in a threaded manner.

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 double-helix machine central steel cable anti-swing type bin allocation and bin 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 chute support 109, and the tail of the machine 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 chute support 109, when the coal level rises to reach the self-remaining coal line 202, the double-spiral 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 integrated 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 double-screw conveyor 4 to dead coal, the double-screw conveyor 4 is started to rotate in the forward direction, the bridge frame 2 and the winch 5 rotate for 360 degrees to work together with the double-screw conveyor 4 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 conveying device 107 (such as a scraper conveyor or a belt conveyor) to be conveyed 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 rotates slowly, (the speeds of the winch 5 and the 360-degree rotating bridge frame 2 are adjustable), the rubber wheels support the bin wall, the centering anti-swing steel cable 12 controls slight torsion and swing of the spiral conveyor hanger 3 during working and running, the four transverse rubber wheels 10 are in contact with the bin wall 101 when the double-spiral conveyor 4 moves radially, the four vertical rubber wheels 11 are in contact with the bin wall 101 when the double-spiral conveyor 4 moves vertically, the double-spiral conveyor 4 and the spiral conveyor hanger 3 are prevented from colliding with the bin wall 101, the double-spiral conveyor 4 is prevented from swinging left and right and back and forth, the spiral conveyor blades have the functions of arch breaking and joint breaking, and the dead coal is pushed out of the bin layer by layer until the bin bottom is cleaned up. The double-helix conveyor 4 and the bridge 2 rotating by 360 degrees stop, the winch 5 lifts the double-helix conveyor 4 to a high position, and the winch 5 stops to perform the next cycle.

In summary, the double-screw machine center steel cable anti-swing type bin allocation and clearing integrated machine and the flat bottom type cylindrical bin provided by the utility model improve bin capacity (point-changing type, line type bin allocation is surface type bin allocation); 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

1. A double-screw machine center steel cable anti-swing 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 rotary bridge frame, a screw conveyor hanger, a double-screw conveyor, an anti-swing mechanism and an 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;

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 double-spiral conveyor is fixed below the spiral conveyor hanger;

the spiral conveyor hanger and the head of the double-spiral conveyor are both positioned on the central axis of the cylinder wall;

the anti-swing mechanism comprises a centering anti-swing steel cable;

the centering anti-swing steel cable is superposed with the central axis of the cylinder wall, the top end of the centering anti-swing steel cable is fixed on the center of the top of the bin, and the bottom end of the centering anti-swing steel cable is fixed on the center of the bin foundation and penetrates through the spiral conveyor hanger and the double-spiral conveyor;

the 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 double-screw machine central steel cable anti-swing type bin allocation and clearing all-in-one machine is characterized in that the tail of the double-screw conveyor is of a T-shaped structure, and two groups of rubber wheel mounting rods and electro-hydraulic push-pull rods are arranged on each side of the double-screw conveyor.

3. The double-helix machine center steel cable anti-swing 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. The double-screw machine center steel cable anti-swing type bin allocation and clearing all-in-one machine as claimed in claim 2, wherein the double-screw conveyor is driven by a speed reduction motor.

5. The double-helix machine center steel cable anti-swing type bin allocation and clearing all-in-one machine as claimed in claim 1, wherein the annular rail 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 double-helix machine center steel cable anti-swing type bin allocation and clearing all-in-one machine as claimed in claim 1, wherein the winch is a hydraulic lifting winch, and the steel cable is a mining steel cable.

7. The double-screw machine center steel cable anti-swing type bin allocation and clearing all-in-one machine as claimed in claim 1, wherein a protective steel sleeve is arranged outside the centering anti-swing steel cable;

the protective steel sleeve is formed by connecting a plurality of sections of steel pipes in a threaded manner.

8. A flat-bottom type cylindrical bin is characterized by comprising a bin base, a bin wall arranged on the bin base, a bin top arranged on the bin wall and the double-helix machine center steel cable anti-swing type bin allocation and bin cleaning integrated machine as claimed in any one of claims 1 to 7.

9. The flat bottom silo according to claim 8, wherein the silo is provided with an out-feed 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.

10. The flat bottom silo according to claim 9, wherein the silo roof is of a membrane steel construction.