WO2002000532A1 - Dispositif transporteur a vis a charge elevee et a gradient eleve - Google Patents
Dispositif transporteur a vis a charge elevee et a gradient eleve Download PDFInfo
- Publication number
- WO2002000532A1 WO2002000532A1 PCT/JP2001/004925 JP0104925W WO0200532A1 WO 2002000532 A1 WO2002000532 A1 WO 2002000532A1 JP 0104925 W JP0104925 W JP 0104925W WO 0200532 A1 WO0200532 A1 WO 0200532A1
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- WO
- WIPO (PCT)
- Prior art keywords
- screw
- piece
- casing
- ring
- pieces
- Prior art date
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Classifications
-
- 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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/34—Applications of driving gear
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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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
-
- 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
Definitions
- the present invention relates to a screw conveyor device for steep inclination and high head, which conveys a conveyed object of plastics such as earth and sand, ore, or granular material such as grain and scatter at a steep inclination and a high head.
- a screed that transports grain, scattered material, and sediment steeply (meaning a range from 30 ° to 90 °) in unloading work from a hold or discharging sediment from a tunnel shaft.
- a conveyer proposed by the inventor of the present invention in Japanese Patent Publication No. Sho 60-43518. This has a structure in which a repone screw is rotated and supported at the top in a cylindrical casing, and a central axis is arranged in a hollow part of the repone screw.
- the “response criterion” here refers to a helical twisted strip having no central axis or supporting spokes.
- a screw-conveyor device for steep inclination and high head that can efficiently transport the repone screw without steepness and high head, without increasing the thickness of the repone screw, even in the case of steep inclination and high head.
- the purpose is to: Disclosure of the invention
- the present invention described in claim 1 is a screw-conveyor device for steep inclination and high lift in which a ribbon screw is disposed rotatably around an axis in a cylindrical casing, wherein the ribbon screw is disposed at a predetermined position in the axis direction. It is characterized by comprising a rotating ring externally fitted and fixed, and an outer peripheral supporting portion provided on the casing and rotatably supporting the rotating ring.
- the response screw since the response screw is supported by the casing via the outer peripheral support portion, the conveyed material enters the gap between the ribbon screw and the casing, or a larger load is conveyed to the conveyed screw. Even if a load is applied, the response skew can be prevented from being twisted, deformed, and expanded or contracted in the axial direction, and the transfer efficiency does not decrease.
- the invention described in claim 2 is characterized in that a repone screw is provided in a cylindrical casing.
- a steeply inclined, high-lift screw conveyor device rotatably disposed about an axis, wherein a rotating ring externally fitted and fixed to the response screw at a predetermined position in the axial direction;
- An outer peripheral support portion provided to rotatably support the rotating ring;
- a main screw single-rotation device provided at a predetermined position of the casing to rotationally drive a response screw; and provided to at least one of the outer peripheral support portions.
- a catch screw rotating device for rotating the response screw via a rotating ring.
- the ribbon screw can be rotationally driven by the main screw rotating device, and a rotational driving force can be applied to the response screw at the intermediate portion of the casing via the outer peripheral support portion by the auxiliary screw rotating device. Because of this, it is possible to disperse the rotation support of the Response Cru and transmit the driving force, to eliminate the twisting, bending, deformation and expansion and contraction of the Response Cru, and to remove the screw even at a high head. It can be driven to rotate smoothly.
- the invention described in claim 3 is the invention according to claim 1 or 2, wherein the repone screw is formed by connecting a plurality of screw pieces in the axial direction, and is connected to a connection end of the screw piece in a screw plane.
- the screw pieces are configured so as to be connectable and detachable by forming concave and convex portions that can be combined, and a connecting tool that connects the screw pieces to each other with the concave and convex portions is provided.
- a long ribbon screw is formed by connecting a plurality of screw pieces, so that a high-lift screw conveyor can be easily provided.
- the connection end of the screw piece engages the concave and convex portions with each other and is connected by the connecting tool, so that the screw pieces can be easily and firmly connected.
- the invention according to claim 4 is the invention according to claim 1 or 2, wherein the repone screw is formed by connecting a plurality of screw pieces in the axial direction, and each connection end of the screw piece is perpendicular to the axis.
- connection ring While being cut at the cross section, a connection ring is externally fitted and fixed to the cut portion, the connection rings are connected to each other to connect a screw-piece, and a united connection ring to which the connection rings are connected is formed on a casing.
- An outer peripheral support portion rotatably supported around the axis and supporting the response crews to the casing is formed.
- the joint connection ring for connecting the screw pieces is rotatably supported by the casing, thereby reinforcing the connection portion of the screw pieces, whose strength is liable to decrease, to reduce the twisting and bending.
- the expansion and contraction in the axial direction can be effectively prevented, a long repone screw can be easily formed, and a high head can be conveyed.
- the invention according to claim 5 is the method according to claim 1 or 2, wherein the repone screw is formed by connecting a plurality of screw pieces in an axial direction via a connecting piece, and the connecting piece is connected to a rotating ring via a connecting means.
- a long, high-height screw conveyor can be easily provided.
- the concave and convex portions respectively formed on the connection end of the screw piece and the connection piece are engaged with each other and connected by the connection tool, the screw piece can be easily and firmly connected via the connection piece.
- connecting piece Since the screw piece is continuously connected to the screw piece at the same gradient between the upper and lower screw pieces, the conveyed object can be smoothly conveyed without lowering the conveying capacity due to the connecting piece. Furthermore, by removing the connecting piece and the screw piece during maintenance, the screw piece and rotating ring can be easily attached and detached, and replacement, repair, and disassembly and adjustment of worn parts can be easily performed.
- the invention according to claim 6 is the invention according to claim 1 or 2, wherein the response screw is formed by connecting a plurality of screw pieces in the axial direction via a connecting piece, and the connecting piece is connected to a rotating ring via connecting means. At the end of the connecting piece and the connecting end of the screw piece, irregularities which can be engaged with each other in one plane of the screw are respectively formed, and each of the screw piece and the connecting piece is formed.
- the connecting means is configured to be continuous at the same gradient along the screw plane, and the connecting means includes a notch formed at a predetermined position of the connecting piece corresponding to the inner surface of the rotary ring, It is characterized by comprising a flexible mounting piece, a fixture for fitting the mounting piece into the notch and fixing it to the connecting piece, and a welded part where the mounting piece is joined to a rotating ring. . According to the above configuration, since the mounting piece is fitted into the notch of the connecting piece and connected to the rotating ring, the mounting piece welded to the rotating ring is removed from the notch of the connecting piece, whereby the connecting piece is removed.
- the rotating ring and the rotating ring can be easily disassembled, and the connection piece having a large amount of wear or damage can be easily separated, thereby improving maintainability.
- the invention of claim 7 is claimed in claim 1 or 2
- the invention according to claim 8 is the invention according to claim 1, wherein the casing is divided into a plurality of casings in the axial direction corresponding to the outer peripheral support portion, and a support ring attached to a connection end of the casing piece.
- a rotary ring rotatably supported between the support rings via a seal portion, and a bearing box provided between the two support rings and covering the rotary ring are provided.
- the rotating ring is rotatably supported by the supporting ring attached to the end of the casing piece, so that the rotating ring and the supporting ring can be easily assembled and disassembled. Can be stably supported.
- the invention according to claim 9 is characterized in that, in the claim 2, the casing is divided into a plurality of casings in the axial direction corresponding to the outer peripheral support portion, and the casing is attached to the connection end of the casing piece.
- a drive pinion provided on the rotary ring for the passive gear and an auxiliary screw rotating device including a rotary drive device for rotating the drive pinion are provided.
- the rotating ring is rotatably supported by the supporting ring attached to the end of the casing piece, so that the rotating ring and the supporting ring can be easily assembled and disassembled. Can be stably supported.
- the auxiliary screw rotating device can be easily arranged in the middle portion of the casing by using the outer peripheral support portion.
- the invention described in claim 10 is the invention according to claim 1 or 2, wherein a charging screw conveyer is connected to a lower end of the casing, and a conveyed material is collected at the tip of the charging screw conveyer and supplied to the charging conveyer. Is provided.
- the conveyed material is supplied to the charging screw conveyor by the charging means, and is further forcibly supplied from the charging screw conveyor into the cylindrical casing, so that the conveyed material is powder. Even at high heads, it can be transported on steep slopes.
- the loading means can easily and smoothly discharge the conveyed goods from, for example, a cargo hold of a carrier having corners.
- the invention described in claim 11 is characterized in that, in claim 1 or 2, a charging screw conveyer is connected to a lower end portion of the casing, and a conveyed material is collected at the tip of the charging screw conveyer and supplied to the charging conveyer.
- the charging means is provided, and the charging means is constituted by a reclaimer having a bucket wheel which is driven to rotate around a predetermined axis.
- FIG. 1 is an overall side sectional view showing a screw conveyor device according to a first embodiment of the present invention.
- FIG. 2 is an enlarged side sectional view showing an outer peripheral support portion of the device.
- FIG. 3 is a sectional view taken along line AA of FIG.
- FIG. 4 is a side view showing a screw-piece connecting portion of the device.
- FIG. 5 is a sectional view taken along line BB shown in FIG.
- FIG. 6 is a plan view showing a second specific example of the connecting portion.
- FIG. 7 is a plan view showing a third specific example of the connecting portion.
- FIG. 8 is an exploded side view showing a fourth specific example of the connecting portion.
- FIG. 9 is an enlarged side sectional view of an assembly part of a fourth specific example of the connection part.
- FIG. 10 is an overall side sectional view showing a screw conveyor device according to a second embodiment of the present invention.
- FIG. 11 is an enlarged side sectional view showing a second specific example of the auxiliary screw rotating device of the device.
- FIG. 12 is an enlarged side sectional view showing a third specific example of the auxiliary screw rotating device of the device.
- FIG. 13 is a partial plan sectional view showing a specific example of a connecting piece connecting portion of the device.
- FIG. 14 is a partial plan sectional view showing another specific example of the connection piece connecting portion of the device.
- FIG. 15 is an enlarged side sectional view showing a fourth specific example of the auxiliary screw rotating device of the device.
- Figures 16a and 16b show the connecting piece and the rotating FIG. 4 is a partial plan view and a side view showing a first type of the connecting portion.
- FIG. 17 is a partial plan view showing a first modification of the connecting portion between the connecting piece and the driving rotary ring of the device.
- FIG. 18 is a partial plan view showing a second type of the connecting portion between the connecting piece and the driving rotary ring of the device.
- FIG. 19a and FIG. 19b are a partial plan view and a side view showing a third type of the connecting part of the connecting piece and the driving rotary ring of the device.
- FIG. 20 is a graph showing the height of the rotating ring and the pressure loss in the screw conveyor device.
- FIGS. 21a and 21b are a side sectional view and a rear elevational view showing a fourth specific example of the auxiliary screw rotating device.
- FIG. 22 is an overall side cross-sectional view showing a third embodiment of the screw conveyor device according to the present invention.
- FIG. 23 is a side cross-sectional view showing a modification in which a penetration member is provided at the lower part of the casing.
- FIG. 24 is an overall side sectional view showing a screw conveyor device according to a fourth embodiment of the present invention.
- FIG. 25 is a cross-sectional view taken along the line C-C shown in FIG.
- FIG. 26 is a side view showing the use state of the device.
- FIG. 27 is a plan sectional view showing a modification of the fourth embodiment.
- FIGS. 28a and 28b are a plan sectional view and a side elevational view showing another modification of the fourth embodiment.
- This screw conveyer conveys earth and sand excavated by, for example, a tunnel excavator to the ground side via a shaft, and an inlet 2 is formed at the lower end as shown in Fig. 1.
- a repone screw 4 is provided on the same axis O.
- a discharge chute 6 connected to the discharge port 3 is attached, and a screw rotating device 8 for rotating the repong screw 14 around the axis 0 is provided.
- Reference numeral 10 denotes an input hopper into which earth and sand are input from the discharge chute 6.
- the upper end member 7 may be deleted or a discharge port may be formed in the upper end member 7 to discharge the earth and sand from the upper end portion of the cylindrical casing 1.
- a drive ring 9 is fixed to the upper end of the repone screw 4, and the drive ring 9 is rotatably supported on the upper end of the cylindrical casing 1 around an axis O via an outer bearing 10.
- the screw rotating device 8 includes a passive ring gear 8 a attached to the outer peripheral portion of the drive ring 9, a drive pinion 8 b corresponding to the passive ring gear 8 a, and a screw rotation for rotating the drive pinion 8 b.
- the cylindrical casing 1 is provided with a plurality of (two in FIG. 1) outer peripheral support portions 11 which rotatably support the response screw 4 at predetermined intervals in the axial direction.
- the outer peripheral support portion 11 has a rotating ring 12 externally fitted and fixed to an arbitrary position of the response screw 4, and the rotating ring 12 is pivotally connected to the cylindrical casing 1. It is supported rotatably around the center. That is, as shown in FIG. An annular space 17 is formed in the outer peripheral support portion 11 of the thing 1 by attaching flange portions 13A and 13B.
- the upper and lower opposing surfaces of the flange portions 13 A and 13 B support the inner peripheral sealing member 14 slidably contacting the rotating ring 12 and the thrust load.
- Outer peripheral bearings 15 are provided.
- a plurality of guides for guiding the rotation of the rotating ring 12 at predetermined circumferential angles (every 120 ° in the figure) to support the radial load are provided.
- Guide rollers 16 are rotatably arranged at predetermined angles (for example, at three locations at 120 °) about an axis parallel to axis ⁇ . Therefore, the thrust and radial loads applied to the repone screw 4 can be supported through the rotating ring 12, and the radius, twist, and expansion and contraction of the ribbon screw 4 can be effectively prevented.
- connection recesses 21 are formed at the connection end portions of the screw pieces 4a to 4c on the back surface side of the extruded surface of the earth and sand.
- the connection plate 22 is fitted into the connection recess 21 and connected to the connection plate 22 and the screw pieces 4a to 4c by a port 23 to form a response screw 4.
- the thickness of the connecting portion 20 is formed to be the same as the thickness of the screw pieces 4a to 4c, and the rotational force is applied from the upper screw piece 4a to the lower screw piece 4c via the connecting portion 20. Is effectively transmitted.
- connection portion 30 of the second specific example in FIG. 6 is provided at the connecting end of one of the screw pieces 4a (4b) with the screw axis ⁇ as the center.
- a concave connection portion (concavo-convex portion) 31 in a plan view is formed in a fan-shaped surface having a predetermined angle, and the connection end portion of the other screw piece 4 b (4 c) is fitted into the connection concave portion 31.
- the connecting projections (irregularities) 32 that are convex in a plan view are formed.
- a pin hole 33 is formed in the fitting portion of the connecting concave portion 31 and the connecting convex portion 32 in the radial direction, and the connecting pin 34 is fitted in the pin hole 33 to be connected and fixed.
- a screw-type blind plug 35 is embedded in the opening of the hole 33 to prevent it from falling out by embedding the connecting pin 34 in the connection part 40 of the third specific example in FIG. 7.
- One of the screw pieces 4 a (4 b) An L-shaped connecting step (concave convex) 4 1 is formed on the screw surface at the connection end of the screw piece, and a connecting step 4 1 is formed at the connection end of the other screw piece 4 b (4 c).
- An inverted L-shaped connecting reverse step portion 42 is formed which engages with the concave portion.
- a pin hole 43 is formed in the engaging portion of the connecting step portion 41, .42 in the radial direction, and the connecting pin 44 is fitted into the pin hole 43 to be connected and fixed.
- a screw-type blind plug 45 is inserted into the opening 43 to prevent the connecting pin 44 from coming off.
- connection ends of the screw pieces 4 a to 4 c that are mutually connected are firmly connected via the connection pins 34, 44 in the radial direction. It is not protruding and does not hinder the transportation of sediment.
- the pin holes 33 and 4.3 are formed from the outer peripheral side of the repone screw 4 toward the axis ⁇ , but may of course be formed from the inner peripheral side.
- the connecting portion 50 of the fourth specific example is optimal for a high-lift screw conveyor.
- connection ends of these screw pieces 4 a to 4 c are cut along a cross section perpendicular to the axis ⁇ , and the connection rings 51 a and 51 b are welded to the cut end surfaces, respectively.
- the external connection is fixed by
- the rotating rings of the outer peripheral supporting portion 11 are constituted by the lugs 51a and 51b.
- connection rings 5 la and 5 lb are formed to have a size that fits externally to the screw pieces 4 a to 4 c, and a plurality of fixing rings are formed in a state where the connection rings 5 la and 5 lb are vertically stacked. It is connected and fixed by the fixed port 52. Then, the united connection ring 51 composed of the connection rings 51 a and 5 lb is rotatably supported via the seal member 14, the outer peripheral bearing 15 and the guide port 16.
- a long response screw 4 is formed by connecting a plurality of screw pieces 4 a to 4 c, and the ends of the screw pieces 4 a to 4 c are connected to each other at this connecting portion 50.
- a long ribbon screw 4 can be easily manufactured by the united connection ring 51, and the connection portions 50 of the screw pieces 4 a to 4 c, whose strength is easily reduced, can be reinforced by the connection ring 52.
- the connection ring 52 by supporting the outer peripheral support portion 11 of the cylindrical casing 1 via the coupled united connection ring 51, the bending, twisting, and expansion and contraction of the repone screw 4 can be effectively prevented.
- a second embodiment will be described with reference to FIG.
- at least one of the outer peripheral support portions 11 of the first embodiment is used.
- a main screw rotating device 61 having the same configuration as the screw rotating device 8 of the first embodiment is provided, and an auxiliary screw rotating device 62 is provided at an arbitrary (all in the figure) outer peripheral support portion 11. is there.
- a driving gear (rotating ring) 60 constituting a rotating ring of the outer peripheral support portion 11 is provided with a ring gear 63, and a plurality of parts are provided in place of the guide rollers.
- a drive pinion 65 is arranged or one provided only at one location.
- the screw rotation drive device 8c of the main screw rotation device 61 is used, and the drive pinion 8b of the main screw rotation device 31 and the drive pinion 65 of the auxiliary screw rotation device 62 are used.
- 65 are connected and linked via a link shaft 66.
- the response screw 4 can be driven to rotate by the outer peripheral support 11 by the main screw rotating device 62.
- FIG. 11 shows a second specific example of the auxiliary screw rotating device based on FIG. 9, and the same members are denoted by the same reference numerals. That is, the auxiliary screw rotating device 71 is provided with a ring gear 72 mounted on a united connecting ring (driving rotating ring) 51 in which the connecting rings 5 la and 5 lb are stacked one on top of the other, and the auxiliary rotary driving device 7 3 A drive pinion 74, which is driven to rotate, is connected to the ring gear 72.
- the load related to the repone screw 4 is supported at the intermediate portion by the united connection ring, and the auxiliary screw rotating device 71 can apply a rotational driving force to the repone screw 4 from the intermediate portion.
- a high-yield transfer is possible by eliminating the bending and elongation of the screw 4.
- FIG. 12 shows a third specific example of the auxiliary screw rotating device 81.
- the cylindrical casing 1 is divided into a plurality of pieces in the direction of the axis ⁇ and has a plurality of casing pieces 1 u and I d, and the connection end of the upper cylindrical casing piece lu and the lower end are connected.
- support rings also referred to as wear rings
- a seal is provided between these support rings 83 u and 83 d.
- a driving rotary ring (rotating ring) 80 is rotatably supported around an axis O via a material and a bearing member 83a. Also both support rings
- a bearing cover 84 that covers the driving rotary ring 80 is mounted between 83 u and 83 d, and is integrally mounted on the driving rotary ring 80 inside this bearing cover 84.
- a passive ring gear 85, a drive pinion 86 coupled to the passive ring gear 85, and an auxiliary rotary drive device 87 for rotating the drive pinion 86 are provided. It is configured.
- the auxiliary screw rotating device 81 can be used as a main screw rotating device.
- the driving rotary ring 80 is rotationally driven by the auxiliary rotation driving device 87 via the driving pinion 86 and the receiving ring gear 85.
- the repone screw 4 is divided into a plurality in the direction of the axis 0, They are connected to each other by an outer peripheral support 11. That is, a connecting piece 91 is provided corresponding to the driving rotary ring 80, and the upper screw piece 4a (4b) and the lower screw piece 4b ( c) are connected physically, and as shown in FIG. 13, the connecting piece 91 is joined to the inner surface of the driving rotary ring 80 via a welded portion 92.
- FIG. 13 shows a specific example of the connection piece connection portion.
- connecting concave portions (irregular portions) 93u and 93d, which are concave in plan view, are formed in the screw plane, respectively.
- the connecting ends of the screw pieces 4a and 4b have connecting protrusions (uneven portions) that can fit into the fitting recesses 93u and 93d that are convex in plan view in the screw plane.
- 94 u and 94 d are formed.
- the connecting concave portions 93 u and 93 d and the connecting convex portions 9411 and 94 d have radial pin holes.
- connection pieces 91 are connected by the connection pieces 91 through the connection pins 95u and 95d, and the connection pieces 91 are connected to the drive ring 92 through the welding portions 92. Since it is fixed to 80, it is easy to inspect, replace, and repair worn parts such as the drive rotating ring 80, support rings 83u, 83d, and screws 4a to 4c. . In addition, since the driving rotary ring 80 to which the connecting piece 91 is attached is integrated with the auxiliary screw rotating device 81, replacement, assembly, transportation and storage are facilitated.
- FIG. 14 shows another specific example of the connecting piece connecting portion, which is a modification of FIG. That is, fitting recesses 98 u and 98 d are formed on the screw pieces 4 a and 4 b side, and connecting projections 99 u and 99 d are formed on the connecting piece 91. The same effect can be obtained with the above configuration.
- FIG. 15 shows a fourth specific example of the auxiliary screw rotating device (which can also be applied to the main screw rotating device).
- the auxiliary screw rotating device 101 has a rotating shaft 100 of the drive pinion 102. 3a, 103b, and the bearing 104 of the rotary drive ring 100 are united in a unitary structure.
- the unit has a height H1 and is used for transportation and handling.
- the connecting piece 105 is configured so as to be connectable and separable from the screw pieces 4a to 4c at a height H2 of about one pitch of the response screw 4 and the unit height of the height H2. By being formed within the range of the height H1, the connecting piece 105 is not obstructed during transportation or storage.
- the upper and lower connection ends of the connecting piece 105 are fitted with connecting projections 106 II that can be connected by being connected to the upper and lower screw pieces 4 a (4 b) and 4 b (4 c).
- Each of the concave portions 106 d is formed.
- the driving rotating ring 100 is provided with the bearing 104 mounted on a body thereof, 104 is fixed to the lower part of the bearing housing 100 mm by Porto.
- the connecting piece 105 is directly fixed to the driving rotary ring 100 by welding.
- the connecting portion between the connecting piece 105 and the driving rotary ring 100 has other plural types as shown below.
- the first type uses a mounting piece 1 1 1 and a fixed port 1 1 2 as shown in Figs. 16 (a) and (b). That is, a notch portion 113 is formed on the outer peripheral portion of the connecting piece 105, and the mounting piece 111 welded to the inner surface of the driving rotation ring 100 is formed by the notch portion 111. 3 is fitted. Then, two fixing ports 1 1 2, which are fixing tools, are attached to the port holes 1 1 1 a of the mounting pieces 1 1 1 through the mounting holes 1 0 5 a formed in the connecting piece 105, and the connecting pieces 1 Reference numeral 0 5 is connected and fixed to the driving rotary ring 100 via a mounting piece 111. In addition, as shown in FIG. 17, the connecting piece 105 and the mounting piece 111 can be fixed using three or more fixing ports 112. 1 15 is a blind plug.
- the driving rotary ring 100 and the connecting piece '105 are fixed by, for example, one connecting pin 121.
- One connecting pin 1 2 1 is radially implanted on the inner surface of the driving rotary ring 100, and the connecting piece 100 has a pin hole 1 0 a into which the connecting pin 1 21 can be fitted.
- a fixed nut 122 is mounted on the head of the connecting pin 122, and the driving rotary ring 100 and the connecting piece 105 are connected and fixed.
- connection block (mounting piece) 13 1 is protruded from the inner surface of the drive rotation ring 100, and the connection piece 10 A groove 13 is formed in 5 and the groove 13 is fitted with a connecting block 13 1. Then, the port holes 1 05 b and 1 3 1 a of the connecting piece 1 05 and the connecting block 1 3 1 respectively The fixed porto 1 3 3 is attached to the.
- the width (height) of the driving rotary rings 50, 80, 100 including the rotary ring 12 and the united connection ring 51 in the direction of the axis ⁇ increases as the mounting strength of the ribbon screw 4 increases.
- the conveyed earth and sand rotates together with the rotating ring, and the conveying force is lost in the rotating ring.
- the pressure drop caused by the rotation of the rotating ring was reported by the educator in the Japan Construction Mechanization Association, “Soil Suction Symposium for Construction Machinery and Construction in the Fiscal Year 2001”, “The earth pressure retention characteristics of the earth pressure type shield screw converter. "Column.
- Fig. 20 shows the relationship between the pressure loss ratio of the rotating ring and the height h of the rotating ring with respect to the length of the conveyor.
- this graph shows a case where a rotating ring is provided at one position with respect to the conveyor length L.
- the width of the rotary ring including the drive can be indicated by a numerical value, and it is possible to predict the transport efficiency and transport power loss at the design stage.
- Figure 21 (a) and (b) show the auxiliary screw rotating device (main screw This is also applicable to a rotating device, and relates to an improvement of the cylindrical casing 1.
- a casing piece divided into a plurality of pieces in the axial direction is formed, and these casing pieces are further divided into two by a plane including the axis 0 to form a cylinder by half casing pieces 1 ua, I da, 1 ub, and ldb.
- one of the half casing pieces 1 ua and 1 da is divided to form opening and closing pieces 1 uc and ldc, and these opening and closing pieces luc and ldc are flanged.
- the work can be easily performed by removing the opening / closing piece at the time of maintenance such as inspection of the connection portion or replacement of a worn part.
- a central shaft 141 is disposed in the hollow portion of the response screw 4 of the second embodiment.
- the center shaft 141 which is rotatably disposed on the axis 0 of the casing 1 with a predetermined gap in the hollow portion of the response screw 4 with a predetermined gap therebetween, has an upper end portion via the center shaft rotating device 142.
- the casing 1 is supported by the upper end of the casing 1, and the lower end is mounted on the casing 1 and is supported by bearings 144 to support blades (supporting members) 144 that guide the conveyed material (sand).
- the central shaft 14 1 is rotatably supported on the upper end member 7 via the inner bearing 14 2 via the inner bearing 14 2.
- the passive gear 14 2 a of the central shaft rotating device 14 2 and the passive gear 14 It is driven to rotate by a drive pinion 14 2 b corresponding to 2 a and a center shaft rotary drive device (hydraulic or electric motor) 144 2 c for rotating this drive pinion 144 b.
- the center blade 1 4 1 is located below the center shaft 1 4 Since the end portions are supported, the run-out and deformation of the central shaft 141 are effectively prevented.
- a rotating casing 152 that is rotated by a rotary drive device 15 1 is provided at the lower end of the casing 1, and the body 15 of the rotating casing 15 2 is inserted into the casing 15. 3 can be attached, and a leading blade 154 can be provided between the shaft 144.
- center shaft 14 1 may be fixed.
- the transfer capacity of the repone screw 4 is increased, and the center shaft 14 1 is moved in the direction opposite to the rotation direction of the repone screw 4.
- the frictional force between the outer peripheral surface of the center shaft 141 and the earth and sand can prevent the co-rotational phenomenon in which the earth and sand turns and rotates in the rotation direction of the repone screw 4, thereby efficiently removing the earth and sand. Can be transported.
- FIGS. 24 to 26 show a fourth embodiment in which the conveyed material is a granular material such as grain or coal, and the screw conveyor of the second embodiment in FIG. Screw conveyor (supply means) 2 1 1 forcibly pushing the conveyed material into the lower end of the container, and a reclaimer device (charging means) 2 1 2 having, for example, a bucket wheel 2 13 for collecting the conveyed material.
- supply means forcibly pushing the conveyed material into the lower end of the container
- a reclaimer device charging means 2 1 2 having, for example, a bucket wheel 2 13 for collecting the conveyed material.
- a reclaimer device charging means 2 1 2 having, for example, a bucket wheel 2 13 for collecting the conveyed material.
- another collection device may be used instead of the reclaimer device.
- the lower end of the cylindrical casing 1 is closed by the closing plate 214, and the charging opening 215 is formed on the side surface near the lower end.
- the cylindrical opening case of the screw screw conveyor 2 11 1 is inserted into the opening 2 15 through the spherical bearing 2 16 in the direction orthogonal to the axis ⁇ .
- the ring 2 17 is mounted to be swingable within a predetermined angle range.
- the charging casing 2 17 has its base end connected to the spherical bearing 2 16, and the charging rep screw 2 18 in the charging casing 2 17 is rotatable around the second axis O ′.
- the charging repone screw 218 is provided with an outer peripheral support portion 223 on which a rotating ring 222 fixed externally to the base end is supported via a seal member ⁇ bearing as necessary.
- the tip is connected to the output shaft of the screw rotation drive device 219 provided in the charging casing 217, and the charging repone screw 118 is rotatably supported and rotated. Is done.
- a vertical rocking device (hydraulic cylinder) 220 for vertically rocking the screw screw conveyor 2 11 1 and a horizontal rocking device (oil).
- Pressure cylinders) 2 2 1 are connected to each other.
- the reclaimer device 2 1 2 has a bucket wheel 2 13 on one side of the leading end of the charging screw conveyor 2 11 1 and a horizontal axis perpendicular to the axis ⁇ ′ of the charging casing 2 1 5.
- the packet wheel 2 13 is rotatably supported.
- the packet wheel 2 13 has a cylindrical bucket 2 13 a attached to the outer periphery of the cylindrical body 2 13 b at regular intervals.
- the device is configured to be rotationally driven in the direction of the arrow by the device.
- the charging casing 2 17 has an opening 2 2 4 on the top surface on the distal end side, and a chute 2 2 5 that projects the material dropped from the bucket 2 13 a into the input port 2 24. Is provided.
- the packet wheels 2 13 may be provided on both sides of the feeding screw conveyor 2 11.
- the screw conveyer device is used as a collection and collection facility 231 for unloading powdery or granular materials such as ores and grains from a large carrier 230, for example.
- the baggage wheel 2 13 of the reclaimer device 2 1 2 provided at the lower end of the cylindrical casing 1 via the screwing screw conveyor 2 1 1 is provided with a corner in the hold 2 3 3.
- the cargo can be easily collected and unloaded in a short time.
- the charging means is the reclaimer device 2 12, a backhoe, a belt conveyor device, or the like may be used instead.
- FIGS. 28 (a) and (b) show another modification of the reclaimer device 212 and the screw screw conveyor 211, in which the mounting direction of the bucket wheel 113 is changed.
- the bucket wheel 2 51 of the reclaimer device 2 1 2 is arranged to rotate around an axis O h parallel to the axis O ′ of the input casing 2 17, and the input drive motor 2 4 Rotated together by 4
- a screw 2 52 with a loading shaft is arranged in the charging casing 2 17, and a shaft portion 2 5 3 a of the screw 2 53 with a loading shaft protruding from the charging casing 2 17 and a bucket are provided.
- the gear wheel 25 1 is connected and linked by a gear mechanism 25 4.
- the packet wheel 25 1 and the loading screw 25 3 may use independent driving devices.
- the reclaimer device 25 1 is arranged at the lower end of the cylindrical casing 1 via the charging screw conveyor 211.
- cargoes such as powder and granular materials can be unloaded more smoothly and efficiently from the hold 23 of the large carrier 230, and the cargoes can be easily collected to the corners of the hold 230. Unloading can be completed in a short time.
- the vertical rocking device 2 20 and the horizontal rocking can be rotated in any direction by the moving device 2 21 to efficiently take in the conveyed object.
- the bucket wheels 2 13 and 25 2 can be displaced by rotating the entire screw conveyor device around the axis 0 of the cylindrical casing 1.
- the cylindrical casing 1 is used.
- a polygonal prism may be used. Industrial applicability
- the screw conveyor according to the present invention which conveys plastics and granular materials at a steep slope and high head, is particularly suitable for a screw conveyor which is elongated on the same axis.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Screw Conveyors (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/049,119 US6651805B2 (en) | 2000-06-27 | 2001-06-11 | High-gradient high-pump-head screw conveyor device |
EP01936954A EP1332989A1 (en) | 2000-06-27 | 2001-06-11 | High-gradient high-pump-head screw conveyor device |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000191956 | 2000-06-27 | ||
JP2000-191956 | 2000-06-27 | ||
JP2001045879 | 2001-02-22 | ||
JP2001-45879 | 2001-02-22 | ||
JP2001-104014 | 2001-04-03 | ||
JP2001104014A JP2002321812A (ja) | 2000-06-27 | 2001-04-03 | 急傾斜用スクリューコンベヤ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002000532A1 true WO2002000532A1 (fr) | 2002-01-03 |
Family
ID=27343856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/004925 WO2002000532A1 (fr) | 2000-06-27 | 2001-06-11 | Dispositif transporteur a vis a charge elevee et a gradient eleve |
Country Status (4)
Country | Link |
---|---|
US (1) | US6651805B2 (ja) |
EP (1) | EP1332989A1 (ja) |
JP (1) | JP2002321812A (ja) |
WO (1) | WO2002000532A1 (ja) |
Cited By (1)
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CN110342283A (zh) * | 2019-06-28 | 2019-10-18 | 湖北宜都中机环保工程有限公司 | 一种防雪崩平料装置 |
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RU2006114036A (ru) | 2003-09-26 | 2006-08-27 | Ибара Корпорейшн (JP) | Система удаления негорючих материалов из печи с псевдоожиженным слоем |
WO2005081890A2 (en) * | 2004-02-20 | 2005-09-09 | Henry James D | Archimedean conveyors and combustion engines |
EP1700800A1 (en) * | 2005-03-11 | 2006-09-13 | M. Linc Inc. | Device for transporting sticky and/or wet material |
CN101704444B (zh) * | 2009-05-10 | 2011-11-02 | 李正峰 | 一种管式螺旋输送机 |
US8448779B2 (en) * | 2010-09-16 | 2013-05-28 | Richard E. Brock | Elevating conveyor |
JP5786332B2 (ja) * | 2010-12-27 | 2015-09-30 | 宇部興産機械株式会社 | スクリュコンベヤ |
CN102398608A (zh) * | 2011-08-02 | 2012-04-04 | 徐州恒佳机械科技有限公司 | 自动搅拌卸料矿车 |
CN102285522B (zh) * | 2011-08-09 | 2012-11-28 | 天津市中环天佳电子有限公司 | 一种用于墨粉生产的筛分机输料装置 |
CN102583067A (zh) * | 2012-03-06 | 2012-07-18 | 北京神雾环境能源科技集团股份有限公司 | 低温旋转干馏床出料装置 |
JP5859398B2 (ja) * | 2012-08-09 | 2016-02-10 | 住友重機械搬送システム株式会社 | アンローダ |
CN106276329B (zh) * | 2016-10-09 | 2018-11-23 | 江苏万达丰重工机械有限公司 | 螺旋料斗 |
CN108004116B (zh) * | 2017-11-28 | 2021-11-23 | 北京盈和瑞环境科技有限公司 | 搅拌轴支撑装置及全混式厌氧反应器 |
IT201900007305A1 (it) * | 2019-05-27 | 2020-11-27 | Aqseptence Group Carpi S R L | Dispositivo per il trasporto di solidi |
CN110963248A (zh) * | 2019-12-30 | 2020-04-07 | 深圳市能源环保有限公司 | 一种电厂水冷螺旋输灰装置 |
CN111908185A (zh) * | 2020-06-23 | 2020-11-10 | 张梅 | 一种船舶机器人强力清扫机构 |
US20220219101A1 (en) * | 2021-01-08 | 2022-07-14 | Sulzer Management Ag | Vertical screw screen with optimized transport features |
CN113120531B (zh) * | 2021-05-13 | 2022-04-12 | 浙江衢州永正锂电科技有限公司 | 一种适用于氢氧化锂粉末的垂直螺旋输送机 |
CN114212467A (zh) * | 2021-11-22 | 2022-03-22 | 高邮亚普塑业有限公司 | 一种医用pvc粒料生产用的原料螺旋上料机 |
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- 2001-04-03 JP JP2001104014A patent/JP2002321812A/ja active Pending
- 2001-06-11 US US10/049,119 patent/US6651805B2/en not_active Expired - Lifetime
- 2001-06-11 EP EP01936954A patent/EP1332989A1/en not_active Withdrawn
- 2001-06-11 WO PCT/JP2001/004925 patent/WO2002000532A1/ja not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
US6651805B2 (en) | 2003-11-25 |
EP1332989A1 (en) | 2003-08-06 |
JP2002321812A (ja) | 2002-11-08 |
US20020104739A1 (en) | 2002-08-08 |
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