CN116354138A - Novel shipment system of mountain area big water head bulk cargo pier - Google Patents
Novel shipment system of mountain area big water head bulk cargo pier Download PDFInfo
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- CN116354138A CN116354138A CN202310197841.5A CN202310197841A CN116354138A CN 116354138 A CN116354138 A CN 116354138A CN 202310197841 A CN202310197841 A CN 202310197841A CN 116354138 A CN116354138 A CN 116354138A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/60—Loading or unloading ships
- B65G67/606—Loading or unloading ships using devices specially adapted for bulk material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/60—Loading or unloading ships
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention discloses a novel loading system of a bulk cargo wharf with large water head in a mountain area, which comprises the following components: the multifunctional unloading house and the harbor road form an unloading platform, and a buffer bin is communicated under the multifunctional unloading house; bulk cargo transport vehicles for transporting cargo to a dock and into a multi-functional unloading room; the arm support telescopic chute device is of a telescopic arm support structure formed by mutually nesting a plurality of sections of chute barrels, a passage for automatically flowing goods along the chute barrels under the action of dead weight is formed in the telescopic arm support structure, and the top of the arm support telescopic chute device is hinged and communicated to the buffer bin; the hoisting system is used for driving the arm support telescopic chute device to rotate so as to adjust the inclination angle of the arm support; and a control system. The invention fully utilizes the characteristics of the abrupt slope mountain terrain and the large water level drop river, has the advantages of investment saving, high efficiency and good environmental protection, and has subversion lifting and improvement on the shipping process of the large water level drop bulk cargo wharf, thereby having great innovation value.
Description
Technical Field
The invention relates to the field of bulk cargo wharf design. More particularly, the invention relates to a novel loading system for a bulk cargo wharf in a mountain area with large water head.
Background
Under the current technical conditions, the difficulty is high in constructing wharfs under the hydrogeological conditions of steep mountain and large-water-head rivers. For most bulk cargo outlets, the conventional shipping equipment is a mobile or swinging shipping machine, and is usually required to be installed on a fixed platform above a high water level, so that a high pile beam plate structure or a high retaining wall structure is required to form a mounting surface, and for the water level drop above 20m in a mountain area, the investment is very large, the technical difficulty is high, the vertical drop is large, and dust is difficult to control by adopting the hydraulic structure. Therefore, most of such mountain wharfs currently adopt a slope wharf form, a ship loader is mounted on a wharf, and the wharf moves along a ramp as the water level fluctuates. According to different building forms of the inclined ramp, the inclined ramp is divided into a straight overhead inclined ramp and a curve entity inclined ramp. If a straight line overhead ramp is adopted, the straight line overhead ramp can be connected with the rear part through a belt conveyor system, but the belt conveyor system of the shipping process is complex, the overhead ramp has higher manufacturing cost, the ramp gradient is limited by the inclination angle of the belt conveyor, and the longer ramp length affects a channel. Therefore, the most widely used is a curve solid ramp wharf, namely, a ramp similar to a mountain highway is built along a mountain to the river, bulk cargoes are transported to the river by an automobile for self-unloading, and materials are grabbed to a cabin for loading by a grab crane on a wharf boat. The technology has the characteristic of investment saving, but is the most traditional laggard shipping technology, materials scatter on the river side, the environmental protection performance is extremely poor, the shipping efficiency is extremely low, and the improvement is urgently needed.
Disclosure of Invention
The invention aims to provide a novel shipment system for a large-water-head bulk cargo wharf in a mountain area, which fully utilizes the characteristics of the mountain area topography of a steep slope and a large-water-head river, solves the problems of poor environmental protection, high investment, low efficiency and the like caused by the traditional process, has the advantages of investment saving, high efficiency and good environmental protection, and has subversion promotion and improvement on the shipment process of the large-water-head bulk cargo wharf, and has great innovation value.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a novel loading system for a bulk cargo terminal in a mountain area with a large water head, comprising: the multifunctional unloading house is arranged on a mountain of a wharf and forms an unloading platform with a harbor road, an airtight door and a pipeline are arranged on the side, facing the harbor road, of the multifunctional unloading house, a dust removal system is further arranged at the top of the multifunctional unloading house, a buffer bin is communicated under the multifunctional unloading house, and an electric valve is arranged at the bottom of the multifunctional unloading house; the bulk cargo transport vehicle is used for transporting cargoes to a dock through a harbor road and transporting cargoes into a multifunctional unloading room through an airtight door or a pipeline, the boom telescopic chute device is of a telescopic boom structure formed by mutually nesting a plurality of sections of chute barrels, a passage for the cargoes to flow along the chute barrels under the action of dead weight is formed in the boom telescopic chute device, the top of the boom telescopic chute device is hinged and communicated to the buffer bin, the bottom of the boom telescopic chute device is communicated with the head telescopic chute device, and a discharge port of the head telescopic chute device is closely attached to a ship cabin blanking point; the steel wire ropes of the winch are respectively connected with the plurality of sliding cylinders, and the winch system is used for driving the arm support telescopic sliding cylinder device to rotate so as to adjust the inclination angle of the arm support; the control system is arranged on one side of the multifunctional unloading house facing water, and is used for controlling the opening and closing of the airtight door, the electric valve and the dust removal system, the extension of the arm support extension chute device and the action of the hoisting system.
Preferably, the arm support telescopic chute device comprises: the arm support comprises a plurality of sections of tubular sliding drums, and the sliding drums are mutually nested in a form that the diameters of the sliding drums are gradually reduced; the telescopic hydraulic cylinder is fixedly arranged on the slide carriage at the outermost side, the telescopic rod extends towards the length direction of the arm support, and at least one telescopic hydraulic cylinder is arranged; the oil cylinder locks are arranged at the ends of other sliding cylinders except the outermost sliding cylinder, the oil cylinder locks on each sliding cylinder are in one-to-one correspondence with the telescopic hydraulic cylinders, and the oil cylinder locks are detachably connected with the ends of the telescopic hydraulic cylinders; the chute locks are arranged on other chute except the innermost chute and can detachably lock the corresponding chute and the chute nested with the chute; the pulley block is arranged at the end part of each section of slide tube and is used for being connected with a steel wire rope of a winch.
Preferably, the telescopic chute device of the arm support further comprises a chute and a roller row, wherein the chute is correspondingly arranged on one of the inner wall and the outer wall of the chute which are mutually nested and forms a pair, the roller row is matched between the corresponding pair of the chutes, and the roller row and the chute are matched to limit the relative movement of the chute during telescopic action.
Preferably, the end plate with a through hole is arranged at the end part of the telescopic hydraulic cylinder, the oil cylinder lock is provided with an oil cylinder bolt driven by hydraulic pressure, the telescopic direction of the oil cylinder lock is perpendicular to the moving direction of the through hole on the end plate, the chute lock is provided with chute bolts driven by hydraulic pressure, a plurality of jacks are uniformly and correspondingly arranged on the inner chute and the outer chute corresponding to the chute lock, and the telescopic direction of the chute bolts is parallel to the central axis direction of the jacks.
Preferably, the head telescopic chute device comprises a head chute, the head telescopic chute device is of an elastic telescopic structure, the top of the head chute is communicated with the bottom of the arm support telescopic chute device, the head chute is of a tubular structure, and the outer side of the bottom of the head chute is telescopic through the retraction and the extension of a steel wire rope of a hoisting system so that a discharge hole of the head telescopic chute device is always clung to a cabin blanking point.
Preferably, the specific method for telescoping the boom telescoping chute device comprises the following steps: the telescopic hydraulic cylinder is fixed on any cylinder lock, the slide cylinder lock between the slide cylinder corresponding to any cylinder lock and the slide cylinder nested with the slide cylinder lock is released, the other slide cylinder locks are locked, the telescopic hydraulic cylinder acts to realize the telescopic action between the slide cylinder corresponding to any cylinder lock and the slide cylinder nested with the slide cylinder, and the telescopic action is carried out according to the set condition to be telescopic between the slide cylinders and the method.
Preferably, the method for adjusting the inclination angle of the telescopic chute device of the arm support comprises the following steps: locking all chute locks, adjusting the length of a winch steel wire rope corresponding to each chute, and realizing the adjustment of the inclination angle of the telescopic chute device of the arm support.
Preferably, the length adjusting method of the arm support telescopic chute device comprises the following steps: the boom telescopic chute device is kept in an initial horizontal state, and according to the length of the elongation of the chute, the length of the elongation of the steel wire rope corresponding to each section of chute, the linear distance between the first section of chute and the winch system and the included angle between the chute and the straight line connecting the first section of chute and the winch system, the corresponding speed relation between the pushing speed of the telescopic hydraulic cylinder and the rope outlet speed of each winch is obtained, the pushing speed of the telescopic hydraulic cylinder and the rope outlet speed of each winch are controlled according to the corresponding relation, the synchronous action of the hydraulic cylinder and the winch is controlled, and the inclination angle of the boom telescopic chute device is basically kept unchanged in the whole telescopic process.
Preferably, the control method of the boom telescopic chute device in the actual construction process is as follows: firstly, all the sliding drums are retracted to the shortest state and the arm support is lifted to the horizontal state, the arm support telescopic sliding drum device is set to a set length according to the monitored actual construction environment, and the arm support telescopic sliding drum device is adjusted to the set length according to the method for adjusting the length of the arm support telescopic sliding drum device; secondly, adjusting the telescopic chute device of the arm support to a set inclination angle according to the method for adjusting the inclination angle of the telescopic chute device of the arm support; starting the shipment construction of the cargoes; and finally, after loading, removing all the chute locks and the oil cylinder locks, rapidly withdrawing the steel wire rope through the winch, and completing the initial state that all the chute are completely retracted to the shortest state and the arm support is lifted to the horizontal state.
The invention at least comprises the following beneficial effects:
the system equipment fully utilizes the characteristics of the topography of the steep slope mountain area and the topography and hydrology of the river with large water level head, has simple process equipment and lower requirements on hydraulic structures, thus greatly reducing the investment of the whole wharf, simultaneously having the advantages of investment saving, high efficiency and good environmental protection, and bringing subversion promotion and improvement to the shipment of the bulk cargo wharf with large water level head.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the telescopic chute device of the boom;
FIG. 3 is a schematic view of a chute and roller row according to the present invention;
FIG. 4 is a cross-sectional view of the boom extension chute apparatus of the present invention;
FIG. 5 is a first view of an initial state of extension of the boom extension chute device of the present invention;
FIG. 6 is a second state diagram of the telescopic boom barrel device according to the present invention;
fig. 7 is a third state diagram of the telescopic boom barrel device according to the present invention;
FIG. 8 is a fourth state diagram of the telescopic boom carriage device according to the present invention;
FIG. 9 is a schematic view of the telescopic chute device of the boom of the present invention with all the chute extended to a maximum;
FIG. 10 is a schematic view of the telescopic chute apparatus of the present invention with all the chute retracted to a minimum state;
FIG. 11 is a schematic view of a telescopic chute device for a boom according to the present invention, in which a first chute is extended to a maximum;
FIG. 12 is a schematic view of a second section of boom extension chute apparatus of the present invention in a maximum state;
FIG. 13 is a schematic view of a third section of boom extension chute apparatus of the present invention in a maximum state;
FIG. 14 is an initial state diagram of the present invention when designing a low water level;
FIG. 15 is a schematic view showing a state in which all the slide cylinders of the boom extension slide cylinder device are extended;
FIG. 16 is a schematic view of the final state of the boom extension chute device according to the present invention after the tilt angle is adjusted;
fig. 17 is a view showing an operation state when the present invention is designed to have a high water level.
Reference numerals illustrate:
1. the multifunctional unloading house comprises 2 parts of bulk cargo transport vehicles, 3 parts of airtight doors, 4 parts of pipelines, 5 parts of dust removal systems, 6 parts of buffer bins, 7 parts of control systems, 8 parts of arm support telescopic chute devices, 801 parts of telescopic hydraulic cylinders, 802 parts of chute drums, 803 parts of oil cylinder locks, 804 parts of chute locks, 805 parts of roller rows, 806 parts of roller rows, pulley blocks, 807 parts of sliding grooves, 808 parts of end plates, 809 parts of oil cylinder bolts, 810 parts of chute bolts, 811 parts of chute bolts, 812 parts of chute drums, 813 parts of chute drums, 814 parts of chute drums, first parts of oil cylinder locks, 815 parts of oil cylinder locks, 816 parts of chute locks, 817 parts of chute drums, 9 parts of winch systems, 10 parts of ship cabins, 11 parts of head telescopic chute devices.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a novel loading system for a bulk cargo terminal with large water head in a mountain area, comprising: the multifunctional unloading house 1 is arranged on a mountain of a wharf and forms an unloading platform with a harbor road, an airtight door 3 and a pipeline 4 are arranged on the side, facing the harbor road, of the multifunctional unloading house 1, a dust removal system 5 is further arranged at the top of the multifunctional unloading house 1, a buffer bin 6 is communicated under the multifunctional unloading house 1, and an electric valve is arranged at the bottom of the multifunctional unloading house; the bulk cargo transport vehicle 2 is used for transporting cargoes to a dock through a harbor road and transporting the cargoes into the multifunctional unloading room 1 through the airtight door 3 or the pipeline 4, the boom telescopic chute device 8 is of a telescopic boom structure formed by mutually nesting a plurality of sections of chute barrels 802, and a passage for the cargoes to flow along the chute barrels 802 under the action of dead weight is formed in the boom telescopic chute device, the top of the boom telescopic chute device 8 is hinged and communicated to the buffer bin 6, the bottom of the boom telescopic chute device is communicated with the head telescopic chute device 11, and a discharge port of the head telescopic chute device 11 is closely attached to a blanking point of the ship cabin 10; the steel wire ropes of the winch are respectively connected with a plurality of slide cylinders 802, and the winch system 9 is used for driving the arm support telescopic slide cylinder device 8 to rotate so as to adjust the arm support inclination angle; the control system 7 is arranged on the water side of the multifunctional unloading house 1, and the control system 7 is used for controlling the opening and closing of the airtight door 3, the electric valve and the dust removal system 5, the extension and retraction of the boom extension and retraction chute device 8 and the action of the winch system 9
In the above technical scheme, the multifunctional unloading house 1 is installed on a mountain adjacent to a harbor road, forms an unloading platform with the harbor road, and has the height above a designed high water level, so that a relatively closed space is formed above an unloading point to inhibit dust emission. The top of the multifunctional unloading house 1 is provided with a dust removing system 5 and a valve interface of a powder pipeline 4. The dust removing system 5 is arranged at the top of the unloading house and is used for collecting dust when unloading and loading. The airtight door 3 is arranged on one side of the multifunctional unloading room 1 close to the unloading platform, an automatic opening and closing system is arranged, the unloading room has good air tightness after the automatic opening and closing system is closed, when the bulk dumper is unloaded, the opening and closing system opens the airtight door 3, the dumper is convenient to directly dump materials into the multifunctional unloading room 1 and reach into the buffer bin 6, when the special powder transport vehicle is unloaded, the airtight door 3 is closed to form a closed warehouse, the special powder transport vehicle is in butt joint with the pipeline 4, and the materials are conveyed into the multifunctional unloading room 1 through the pipeline 4. The bulk cargo transportation vehicle 2 transports cargoes to a wharf from a storage yard/warehouse/harbor, and the process system provided by the invention can be suitable for various bulk cargo materials with lower water content, such as sand stone, ore, mineral powder, coal, cement, grains and the like and better fluidity, so that the bulk cargo transportation vehicle 2 is divided into two types according to the characteristics of cargo types, the common bulk cargo transportation vehicle is a bulk cargo dump truck, and the special transportation vehicle for powder is adopted for powder transportation. The bottom discharge gate of surge bin 6 is equipped with electric gate, closes electric gate and can buffer partial material in advance, waits for boats and ships to arrive the port. The winch steel wire rope of the winch system 9 is connected with each section of arm support chute 802, and drives the winch traction arm support to rotate around the tail (namely the top) hinge point so as to adjust the arm support inclination angle, and the arm support is required to be lifted when the ship is berthed, so that collision with the ship is avoided; and the flowability of different materials is different, the arm support is adjusted to a proper inclination angle according to the movable accumulation angle of different materials, so that the materials can smoothly flow in the chute 802; during normal shipping operation, the cantilever crane is kept stable through the inclined-pulling steel wire rope. The head telescopic chute device 11 is positioned at the head (namely the bottom) of the arm support telescopic chute device 8, the length of the head telescopic chute device is adjusted through a winch, the discharge port is always close to the discharging point of the cabin 10 in the whole shipment process, and the discharging point of the cabin 10 is controlled to raise dust. The control system 7 is located in a control room which is mounted in the open field of view, facilitating the observation of the overall operation of the cabin 10 and the loading system.
In another technical solution, as shown in fig. 2 to 5, the boom telescopic chute device 8 includes: the arm support comprises a plurality of section-tube-shaped slide drums 802, and the sections of the slide drums are mutually nested in a mode that the diameters of the sections of the slide drums are gradually reduced; the telescopic hydraulic cylinders 801 are fixedly arranged on the slide barrels 802 at the outermost side, the telescopic rods extend towards the length direction of the arm support, at least one telescopic hydraulic cylinder 801 is arranged, and a pair of telescopic hydraulic cylinders are generally symmetrically arranged; the oil cylinder locks 803 are arranged at the end parts of other sliding cylinders 802 except the outermost sliding cylinder 802, the oil cylinder locks 803 on each sliding cylinder 802 are in one-to-one correspondence with the telescopic hydraulic cylinders 801, and the oil cylinder locks 803 are detachably connected with the end parts of the telescopic hydraulic cylinders 801; a chute lock 804 provided on each of the other chute 802 except the innermost chute 802, the chute lock 804 detachably locking its corresponding chute 802 and chute 802 nested with each other; pulley blocks 806, which are provided with a set at the end of each section of chute 802, are used for connection with the wire rope of the hoist.
In the above-described embodiment, the end of the chute 802 refers to an end of another chute 802 located adjacent to the chute having a smaller diameter than the end. The chute 802 is a tubular structure with a certain length, the section of the chute can be round, rectangular or polygonal, a plurality of chute 802 are mutually nested to form a main stress structure of the telescopic boom, and the inner tubular space is a material flow channel. The telescopic hydraulic cylinder 801 is used for driving the chute 802 to implement telescopic movement. The oil cylinder lock 803 is used for locking an end plate 808 of the telescopic hydraulic cylinder 801 and the chute lock 804 when being started; slide lock 804, when activated, locks two adjacent slide locks 804. The pulley block 806 is provided with a group at the end of each section of the chute 802, and the windlass is respectively connected with all the chute 802 through wire rope winding.
In another technical solution, as shown in fig. 3, the boom telescopic chute device 8 further includes a chute 807 and a roller row 805, where the chute 807 is disposed on the inner wall and the outer wall of the chute 802 that are nested with each other, and a pair of runners 807 is disposed between the corresponding pair of chutes 807 in a matching manner, and the roller row 805 and the chute 807 cooperate to limit the relative movement of the chute 802 during the telescopic motion.
In the above-mentioned technical solution, the roller row 805 plays a role in restricting the shake of the chute 802 and preventing the jamming during the telescopic movement of the chute 802. A chute 807 is formed on the inner wall and the outer wall of each two adjacent sections of chute 802, a roller row 805 is arranged in the chute 807, friction is prevented from being generated on the inner wall and the outer wall of each two adjacent sections of chute 802 by rotating the rollers during telescopic movement, and the telescopic movement is smoother.
In another technical scheme, as shown in fig. 4, an end plate 808 with a through hole is arranged at the end of the telescopic hydraulic cylinder 801, an oil cylinder lock 803 is provided with an oil cylinder bolt 809 driven by hydraulic pressure, the telescopic direction of the oil cylinder lock is perpendicular to the moving direction of the through hole on the end plate 808, the chute lock 804 is provided with chute bolts 810 driven by hydraulic pressure, a plurality of jacks are uniformly and correspondingly arranged on the inner chute 802 and the outer chute 802 corresponding to the chute lock 804, and the telescopic direction of the chute bolts 810 is parallel to the central axis direction of the jacks.
In the above technical solution, the cylinder lock 803 drives the cylinder plug 809 to move in a telescopic manner through the hydraulic device, when the through hole of the end plate 808 of the telescopic hydraulic cylinder 801 moves to be aligned with the cylinder plug 809, the hydraulic device of the cylinder lock 803 is started, and the cylinder plug 809 is pushed out to lock the end plate 808 of the telescopic hydraulic cylinder 801 and the cylinder lock 803 on the chute 802; the chute lock 804 drives the chute bolt 810 to do telescopic movement through the hydraulic device, when the jack on the inner chute 802 is aligned with the jack on the outer chute 802, the chute lock 804 is driven to extend out of the chute bolt 810, and the inner chute lock 804 and the outer chute lock 804 are locked and do not do relative movement.
In another technical scheme, the head telescopic chute device 11 comprises a head chute, the head chute is of an elastic telescopic structure, the top of the head chute is communicated with the bottom of the arm support telescopic chute device 8, the head chute is of a tubular structure, and the outer side of the bottom of the head chute is telescopic through the winding and unwinding of a steel wire rope of the winding system 9 so that the discharge hole of the head telescopic chute device 11 is always clung to a cabin blanking point.
In the above technical scheme, the head telescopic chute device 11 is located at the head (i.e. the bottom) of the arm support telescopic chute device 8, and the head chute comprised by the head telescopic chute device 11 is of an elastic structure, so that compression and extension can be realized, the length of the head telescopic chute device 11 can be adjusted in a telescopic manner, the length of the head telescopic chute device is adjusted through a winch, the discharge hole is always close to the discharge point of the cabin 10 in the whole shipment process, and the dust emission of the discharge point of the cabin 10 is controlled. The telescopic head chute device 11 can be hinged with the telescopic boom chute device 8, so that the telescopic head chute device 11 is always vertical and downward, a steel wire rope of the hoisting system 9 can be vertically and downwardly fixed to the outer side of the bottom of the telescopic head chute along the height direction of the telescopic head chute device 11 through a fixed pulley, and smooth telescopic head chute is further realized.
In another technical scheme, as shown in fig. 5 to 8, the specific method for telescoping the boom telescoping chute device 8 is as follows: the telescopic hydraulic cylinder 801 is fixed on any cylinder lock 803, a chute lock 804 between a chute 802 corresponding to any cylinder lock 803 and a chute 802 nested with the same is released, the other chute locks 804 are locked, the telescopic hydraulic cylinder 801 acts to realize the telescopic action between the chute 802 corresponding to any cylinder lock 803 and the chute 802 nested with the same, and the telescopic action is carried out according to the set condition to be telescopic between the chute 802 and the method.
In the above technical solution, the chute 802 extends and contracts the operation example: as shown in fig. 5, taking an example of a chute 802 device formed by three chute 802, a chute first 811, a chute second 812 and a chute third 813 are respectively arranged from outside to inside, telescopic hydraulic cylinders 801 are arranged on two sides of the outer wall of the chute first 811, a chute lock second 817 is arranged at the end part of the chute second 812, a chute lock first 816 and a cylinder lock second 815 are arranged at the end part of the chute second 812, and a cylinder lock first 814 is arranged at the end part of the chute third 813. The initial state is shown in fig. 5, with the three-section chute 802 in a limit contracted state. Before extension is needed, the telescopic hydraulic cylinder 801 is adjusted, the through hole of the end plate 808 is aligned with the cylinder bolt 809 of the cylinder lock one 814, the cylinder lock one 814 is started, and the telescopic hydraulic cylinder 801 is locked with the chute three 813. The first slide lock 816 is in an unlocked state and the second slide lock 817 is in a locked state. As shown in fig. 6, the telescopic hydraulic cylinder 801 is started, the third chute 813 is independently driven to extend to move to the position of fig. 6, the first chute lock 816 is started to lock the second chute 812 and the third chute 813, meanwhile, the first cylinder lock 814 is closed, and the telescopic cylinder is unlocked. As shown in fig. 7, the telescopic hydraulic cylinder 801 is started, the telescopic hydraulic cylinder 801 is recovered to the position shown in fig. 7, the cylinder lock two 815 is started, the telescopic hydraulic cylinder 801 and the slide cylinder two 812 are locked, the slide cylinder lock two 817 is closed, and the slide cylinder one 811 and the slide cylinder two 812 are unlocked. As shown in fig. 8, the telescopic hydraulic cylinder 801 is started, the second chute 812 and the third chute 813 are driven to extend together to move to the position shown in fig. 8, the second chute lock 817 is started, all three chute 802 are locked, and the whole chute 802 device is completed in an extending mode.
In another technical scheme, as shown in fig. 9, the method for adjusting the inclination angle of the boom telescopic chute device 8 is as follows: all chute locks 804 are locked, the length of a winch steel wire rope corresponding to each chute 802 is adjusted, and the inclination angle of the boom telescopic chute device 8 is adjusted.
In the above technical scheme, as shown in fig. 9, 1 group of movable pulley blocks 806 are arranged at the end of each section of telescopic chute 802, and the hoisting system 9 is connected with the movable pulley blocks 806 through a steel wire rope by a hoist, so that the whole boom telescopic chute device 8 forms a multi-point inclined-pulling structure, and the structural design difficulty caused by overlong boom is effectively avoided. Taking 4-section chute 802 as an example, the solution is 1#, 2#, 3# and 4# chute 802 from right to left. Shown with all chute 802 extendedAt the maximum state, the center distances between the corresponding movable pulley block 806 and the winch pulley block 806 are respectively L 1 、L 2 、L 3 、L 4 . The winch system 9 provides pulling force under the wharf working state, so that the telescopic chute device 8 of the arm support keeps a fixed inclination angle, different materials have different mobility, the arm support is adjusted to a proper inclination angle according to the movable accumulation angles of different materials before operation, the smooth flow of the materials in the chute 802 is ensured, all chute locks 804 are required to be locked at the moment, the length of a steel wire rope is adjusted, and the inclination angle change of the chute 802 device is realized.
In another technical solution, as shown in fig. 10 to 13, the method for adjusting the length of the boom extension chute device 8 includes: the boom telescopic chute device 8 is kept in an initial horizontal state, and according to the length of elongation of the chute 802, the length of elongation of a steel wire rope corresponding to each section of chute 802, the linear distance between the first section of chute 802 and the hoisting system 9 and the included angle between the chute 802 and the straight line connecting the first section of chute 802 and the hoisting system 9, the corresponding speed relation between the pushing speed of the telescopic hydraulic cylinder 801 and the rope outlet speed of each hoisting machine is obtained, the pushing speed of the telescopic hydraulic cylinder 801 and the rope outlet speed of each hoisting machine are controlled according to the corresponding relation, synchronous action of the hydraulic cylinder and the hoisting machines is controlled, and the inclination angle of the boom telescopic chute device 8 is basically kept unchanged in the whole telescopic process.
In the above technical solution, before starting the operation, the length of the chute 802 should be adjusted according to the water level and the position of the ship, and the telescopic adjustment of the chute 802 needs to simultaneously control the winch to cooperate with the winding and unwinding of the steel wire rope, and the specific control method is as follows:
in the minimum contracted state shown in FIG. 10, the cable lengths of the cable-stayed wire ropes of the respective section of the sliding drums 802 are about equal, and there are
Sequentially pushing and extending the sliding drums 802 according to the sequence of # 4, # 3, # 2 and # 1, as shown in fig. 11, the total length of the sliding drums 802 after the # 4 sliding drums 802 are pushed out in the first step is M 2 The length of the 4# chute 802 diagonal cable wire is changed from L 1 Elongation is L 1-2 Length of
the ratio of the elongation speed of the hydraulic cylinder to the rope releasing speed of the winch is as follows:
the boom telescopic chute device 8 keeps the inclination angle basically unchanged by controlling the hydraulic cylinder to synchronously act with the winch and controlling the speed to meet the relation;
as shown in FIG. 12, the total length of the second step of ejecting the 3# chute 802 and the rear chute 802 is M 3 The length of the 4# chute 802 diagonal cable wire is changed from L 1-2 Elongation is L 1-3 The length of the 3# chute 802 diagonal cable wire is changed from L 2 Elongation is L 2-2 Chute 802 extends a length Δm' =m 3 -M 2 ＝M 2 -M 1 ＝ΔM，
L 2-2 ＝L 1-2 ，L 2 ＝L 1 The cable-stayed steel wire rope extends to the length:
as shown in FIG. 13, the third step ejects the 2# chute 802 and then the total length of the chute 802 isM 4 Similarly, chute 802 is elongated by a length Δm "=Δm,
L 1-3 ＝L 2-3 ，L 2-2 ＝L 3-2 ，L 3 ＝L 2 ＝L 1 the cable-stayed steel wire rope extends to the length:
ΔL'＝n[(L 1-4 -L 1-3 )+(L 2-3 -L 2-2 )+(L 3-2 -L 3 )]＝(L 1-4 -L 1 )
in the section-by-section extension process of the chute 802, each step needs to control the pushing speed of the hydraulic cylinder and the rope outlet speed of the winch to meet the corresponding speed relation, and the inclination angle of the telescopic chute 802 mechanism of the arm support is basically kept unchanged in the whole process; after the shipment operation is completed, all the chute barrels 802 are required to retract and raise the arm support, all the chute barrel locks 804 and the oil cylinder locks 803 can be released, and the steel wire ropes are quickly retracted through the winch, so that the above-mentioned actions are completed.
In another technical scheme, the control method of the boom telescopic chute device 8 in the actual construction process is as follows:
firstly, all the slide cylinders 802 are retracted to the shortest state and the arm support is lifted to the horizontal state, the arm support telescopic slide cylinder device 8 is set to a set length according to the monitored actual construction environment, and the arm support telescopic slide cylinder device 8 is adjusted to the set length according to the method for adjusting the length of the arm support telescopic slide cylinder device 8;
secondly, adjusting the arm support telescopic chute device 8 to a set inclination angle according to the method for adjusting the inclination angle of the arm support telescopic chute device 8;
starting the shipment construction of the cargoes;
finally, after shipping is completed, all chute locks 804 and cylinder locks 803 are released, and the steel wire ropes are quickly retracted through the winch, so that the initial state that all chute 802 are fully retracted to the shortest state and the arm support is lifted to the horizontal state is completed.
In the application example, a certain place of a three gorges reservoir area on the upper stream of the Yangtze river is taken as an example, the water level drop is 30m, 4 sections of slide barrels 802 are adopted, the maximum length of the cantilever crane after all ejection is 60m, the cargoes are sand and stone materials, the static stacking angle is 35 degrees, and the inclination angle between the cantilever crane and the horizontal plane is required to be more than 35 degrees when the ship is loaded, so that 40-degree inclination angle ship loading is adopted in the example.
The state when the low water level is designed is as shown in fig. 14: according to the water level at that time, determining the berthing water area position of the ship to be loaded and the telescopic length of the arm support, wherein the minimum design water level is shown in the figure, so that the arm support needs to be fully extended to the maximum length.
As shown in fig. 15: the boom telescopic chute device 8 cooperates with the telescopic hydraulic cylinder 801, the chute lock 804, the oil cylinder lock 803 and the like according to the method for adjusting the length of the boom telescopic chute device 8 disclosed by the application, the chute 802 is sequentially ejected and stretched according to the sequence of No. 4, no. 3, no. 2 and No. 1, the length of the final boom reaches 60m, a winch steel wire rope is synchronously released in the stretching process, and the release speed of the steel wire rope and the ejection speed of the chute 802 are carried out according to the control method disclosed by the application.
As shown in fig. 16: after the length of the arm support is adjusted in place, all the chute locks 804 and the oil cylinder locks 803 are locked, the winch is controlled to release the steel wire rope so as to adjust the angle between the arm support and the horizontal plane, the winch and the steel wire rope are stopped when the angle reaches 40 degrees, then the length of the head telescopic chute 802 is adjusted until the blanking port is close to the bottom of the cabin 10, the bottom electric valves of the airtight door 3 and the buffer cabin 6 are opened, the dump truck starts the self-unloading and shipping operation, the heights of the head telescopic chute 802 and the blanking port are adjusted in real time according to the bilge material height in the operation process until the whole cabin 10 is fully finished, the locking of all the chute locks 804 and the oil cylinder locks 803 is released, the steel wire rope is quickly retracted, the arm support telescopic chute device 8 is retracted to the state shown in fig. 14, and the bottom electric valves of the airtight door 3 and the buffer cabin 6 are closed, and the whole operation is finished.
The above operation flow has been described, a series of preparation work should be performed before each shipment operation, a plurality of water level identification lines are provided along the hillside, the water level at the time of the operation can be determined according to the water level identification lines, the length required by the boom telescopic chute device 8 and the position of the ship berthing water area during shipment operation are determined according to the water level, the above operation flow is designed in a low water level working condition, if the operation is designed in a high water level working condition, the state is as shown in fig. 17, the boom telescopic chute device 8 still needs to be adjusted to form an angle of 40 degrees with the horizontal plane, but the boom length can be kept in a limit shortening state. Similarly, the middle water level should determine the corresponding arm support length according to the water level at the time.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (9)
1. Novel shipment system of mountain area big water head bulk cargo pier, its characterized in that includes:
the multifunctional unloading house is arranged on a mountain of a wharf and forms an unloading platform with a harbor road, an airtight door and a pipeline are arranged on the side, facing the harbor road, of the multifunctional unloading house, a dust removal system is further arranged at the top of the multifunctional unloading house, a buffer bin is communicated under the multifunctional unloading house, and an electric valve is arranged at the bottom of the multifunctional unloading house;
bulk cargo transporting vehicle for transporting cargo to dock via port road and to multifunctional unloading house via airtight door or pipeline,
the arm support telescopic chute device is of a telescopic arm support structure formed by mutually nesting a plurality of sections of chute barrels, a passage for automatically flowing goods along the chute barrels under the action of dead weight is formed in the telescopic arm support telescopic chute device, the top of the arm support telescopic chute device is hinged and communicated to the buffer bin, the bottom of the arm support telescopic chute device is communicated with the head telescopic chute device, and a discharge port of the head telescopic chute device is tightly attached to a cabin blanking point;
the steel wire ropes of the winch are respectively connected with the plurality of sliding cylinders, and the winch system is used for driving the arm support telescopic sliding cylinder device to rotate so as to adjust the inclination angle of the arm support;
the control system is arranged on one side of the multifunctional unloading house facing water, and is used for controlling the opening and closing of the airtight door, the electric valve and the dust removal system, the extension of the arm support extension chute device and the action of the hoisting system.
2. The novel loading system for a large-water-head bulk cargo wharf in a mountain area according to claim 1, wherein the boom telescopic chute device comprises:
the arm support comprises a plurality of sections of tubular sliding drums, and the sliding drums are mutually nested in a form that the diameters of the sliding drums are gradually reduced;
the telescopic hydraulic cylinder is fixedly arranged on the slide carriage at the outermost side, the telescopic rod extends towards the length direction of the arm support, and at least one telescopic hydraulic cylinder is arranged;
the oil cylinder locks are arranged at the ends of other sliding cylinders except the outermost sliding cylinder, the oil cylinder locks on each sliding cylinder are in one-to-one correspondence with the telescopic hydraulic cylinders, and the oil cylinder locks are detachably connected with the ends of the telescopic hydraulic cylinders;
the chute locks are arranged on other chute except the innermost chute and can detachably lock the corresponding chute and the chute nested with the chute;
the pulley block is arranged at the end part of each section of slide tube and is used for being connected with a steel wire rope of a winch.
3. The novel loading system for the bulk cargo wharf in the mountain area with large water head difference according to claim 2, wherein the arm support telescopic chute device further comprises a chute and a roller row, the chute is correspondingly arranged on the inner wall and the outer wall of the chute which are mutually nested and form a pair, the roller row is matched between the corresponding pair of the chute, and the roller row and the chute are matched to limit the relative movement of the chute during telescopic action.
4. The novel loading system for the bulk cargo wharf in the mountain area with large water head difference according to claim 2, wherein the end part of the telescopic hydraulic cylinder is provided with an end plate with a through hole, the oil cylinder lock is provided with an oil cylinder bolt driven by hydraulic pressure, the telescopic direction of the oil cylinder lock is perpendicular to the moving direction of the through hole on the end plate, the chute lock is provided with a chute bolt driven by hydraulic pressure, the inner chute and the outer chute corresponding to the chute lock are uniformly and correspondingly provided with a plurality of jacks, and the telescopic direction of the chute bolt is parallel to the central axis direction of the jacks.
5. The novel shipment system of mountain area big water head bulk cargo pier of claim 1, characterized in that, head flexible swift current section of thick bamboo device includes head swift current section of thick bamboo, and it is elastic telescopic structure, head swift current section of thick bamboo top with cantilever crane flexible swift current section of thick bamboo device bottom intercommunication, head swift current section of thick bamboo is tubular structure, the outside of head swift current section of thick bamboo bottom is realized stretching out and drawing back through the wire rope of hoist system so that the flexible swift current section of thick bamboo device discharge gate of head hugs closely the cabin blanking point all the time.
6. The novel loading system for the large-water-head bulk cargo wharf in the mountain area according to claim 2, wherein the specific method for telescoping the boom telescoping chute device is as follows: the telescopic hydraulic cylinder is fixed on any cylinder lock, the slide cylinder lock between the slide cylinder corresponding to any cylinder lock and the slide cylinder nested with the slide cylinder lock is released, the other slide cylinder locks are locked, the telescopic hydraulic cylinder acts to realize the telescopic action between the slide cylinder corresponding to any cylinder lock and the slide cylinder nested with the slide cylinder, and the telescopic action is carried out according to the set condition to be telescopic between the slide cylinders and the method.
7. The novel loading system for the large-water-head bulk cargo wharf in the mountain area according to claim 2, wherein the method for adjusting the inclination angle of the arm support telescopic chute device comprises the following steps: locking all chute locks, adjusting the length of a winch steel wire rope corresponding to each chute, and realizing the adjustment of the inclination angle of the telescopic chute device of the arm support.
8. The novel loading system for the large-water-head bulk cargo wharf in mountain areas, as claimed in claim 7, wherein the length adjusting method of the arm support telescopic chute device comprises the following steps: the boom telescopic chute device is kept in an initial horizontal state, and according to the length of the elongation of the chute, the length of the elongation of the steel wire rope corresponding to each section of chute, the linear distance between the first section of chute and the winch system and the included angle between the chute and the straight line connecting the first section of chute and the winch system, the corresponding speed relation between the pushing speed of the telescopic hydraulic cylinder and the rope outlet speed of each winch is obtained, the pushing speed of the telescopic hydraulic cylinder and the rope outlet speed of each winch are controlled according to the corresponding relation, the synchronous action of the hydraulic cylinder and the winch is controlled, and the inclination angle of the boom telescopic chute device is basically kept unchanged in the whole telescopic process.
9. The novel loading system for the large-water-head bulk cargo wharf in mountain areas, as claimed in claim 8, wherein the control method of the boom telescopic chute device in the actual construction process is as follows:
firstly, all the sliding drums are retracted to the shortest state and the arm support is lifted to the horizontal state, the arm support telescopic sliding drum device is set to a set length according to the monitored actual construction environment, and the arm support telescopic sliding drum device is adjusted to the set length according to the method for adjusting the length of the arm support telescopic sliding drum device;
secondly, adjusting the telescopic chute device of the arm support to a set inclination angle according to the method for adjusting the inclination angle of the telescopic chute device of the arm support;
starting the shipment construction of the cargoes;
and finally, after loading, removing all the chute locks and the oil cylinder locks, rapidly withdrawing the steel wire rope through the winch, and completing the initial state that all the chute are completely retracted to the shortest state and the arm support is lifted to the horizontal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310197841.5A CN116354138A (en) | 2023-03-03 | 2023-03-03 | Novel shipment system of mountain area big water head bulk cargo pier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310197841.5A CN116354138A (en) | 2023-03-03 | 2023-03-03 | Novel shipment system of mountain area big water head bulk cargo pier |
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| CN116354138A true CN116354138A (en) | 2023-06-30 |
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|---|---|---|---|
| CN202310197841.5A Pending CN116354138A (en) | 2023-03-03 | 2023-03-03 | Novel shipment system of mountain area big water head bulk cargo pier |
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| Country | Link |
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| CN (1) | CN116354138A (en) |
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- 2023-03-03 CN CN202310197841.5A patent/CN116354138A/en active Pending
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