CN212768705U

CN212768705U - Negative pressure spiral dual-function integrated ship unloader

Info

Publication number: CN212768705U
Application number: CN202021378725.1U
Authority: CN
Inventors: 江志明
Original assignee: Hangzhou Hengli Building Material Machinery Co ltd
Current assignee: Hangzhou Hengli Building Material Machinery Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-23
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a powdered or little granular material machinery in bulk, strength system of unloading ship technical field for inland river, coastal pier specifically is a difunctional integrated ship unloader of negative pressure spiral, fixed cushion cap, slope cantilever type slewing tower, many joints screw unit, fixed cushion cap on the port pass through the ring flange, main slewing bearing install slope cantilever type slewing tower and slewing tower drive arrangement, the side feed inlet of slope cantilever type slewing tower is connected with many joints screw unit through toothless slewing bearing, slope cantilever type slewing tower afterbody upper end opening installs material gas separator to install two barrier lock wind structures in the middle of the two, this material gas separator's air outlet connection vacuum pump. The negative pressure ship unloading and the spiral ship unloading can be used independently, spiral unloading can be completely adopted in the earlier stage, the most standard ship unloading procedure operation of the negative pressure ship unloading is adopted in the later stage, the experimental machine is verified to be feasible, and the practicability is high.

Description

Negative pressure spiral dual-function integrated ship unloader

Technical Field

The utility model relates to a bulk powder or small granular material mechanical, strength system of unloading boat for inland river, coastal pier especially relates to a difunctional integrated ship unloader of negative pressure spiral.

Background

The field of bulk powdery and small granular material water transport ship unloaders generally adopts a screw ship unloader at present, but a negative pressure suction ship unloader is also adopted. The two devices have respective features. The spiral ship unloading system is energy-saving, low in noise, slight in dust raising and high in productivity, but the residual quantity of materials at the bottom of a cabin is large after the work is finished, the unloading can not be finished at one step, and the work load of clearing the cabin is large; the negative pressure ship unloading system is similar to a dust collector, can almost completely unload materials at the bottom of a cabin, has less raised dust, but has low production efficiency, large noise and high energy consumption, is suitable for small inland river ships, and is rarely applied to large-tonnage ships due to balancing comprehensive indexes such as production rate, energy consumption and the like. In order to achieve the effects of high-efficiency, energy-saving and environment-friendly ship unloading and achieve the purpose of clearing the cabin with time, trouble and manpower saving, a spiral ship unloader is usually adopted by some wharfs as the first operation, and another negative pressure ship unloader is used for clearing the cabin when the residual content in the cabin is below 20 percent. The combination of each longest is good, but the investment is large, the occupied area of the wharf working face is doubled, and the workload of management and maintenance is increased, so that the combination is not the optimal choice. Chinese patent (publication No. CN106429535A) discloses a screw negative pressure dual-function ship unloader, which integrates the screw ship unloader and a negative pressure suction ship unloader system, effectively solves the problems that the prior screw ship unloader can not automatically clear a cabin, the negative pressure ship unloader can automatically clear the cabin but consumes energy, and the two can not be used in combination, if two devices are used simultaneously, the investment is large, and a wharf working surface occupies too much, but the negative pressure air exhaust pipeline and the screw unloader are adopted to convey bulk powdery and small granular materials, and experiments and negative pressure experiments prove that a screw conveying pipe with a larger diameter and a non-sealing property can not realize the negative pressure air exhaust function, in addition, the two can not be respectively used independently, and the negative pressure energy consumption is larger in the earlier stage of unloading. The existing negative pressure screw dual-function integrated ship unloader has the serious technical problem, and in order to solve the problem, the dual-function ship unloader with the negative pressure screw capable of being used simultaneously or independently needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a difunctional integrated ship unloaders of negative pressure spiral, the negative pressure function that aims at solving the difunctional ship unloaders of current negative pressure spiral implements the difficulty, and negative pressure and the same defeated material passageway of spiral sharing to and with the unable adjustment of independent use, and release a high efficiency, energy-conservation, nimble regulation, save investment, place, management maintenance cost again, facilitate the use difunctional equipment of operation.

In order to achieve the above object, the utility model provides a following technical scheme: a negative pressure spiral dual-function integrated ship unloader comprises a fixed bearing platform, an inclined cantilever type rotary tower and a multi-joint spiral unit, wherein the inclined cantilever type rotary tower and a rotary tower driving device are installed at the upper end port of the fixed bearing platform through a flange plate and a main rotary support, a side feeding port of the inclined cantilever type rotary tower is connected with the multi-joint spiral unit through a toothless rotary support, a material-gas separator is installed at an opening at the upper end of the tail part of the inclined cantilever type rotary tower, an air outlet of the material-gas separator is connected with a vacuum pump, a spiral material taking device is installed at a feeding port at the upper end of a last section spiral machine of the multi-,

a double-barrier air locking mechanism is arranged at the joint of the opening at the upper end of the tail part of the inclined cantilever type rotary tower and the material-gas separator, and the double-barrier air locking mechanism enables the material-gas separator to be isolated from the inclined cantilever type rotary tower to form a closed space;

the air inlet of the material-gas separator is connected with a material suction hose, and the material suction hose extends along the inclined cantilever type rotary tower and the multi-joint screw unit and is fixed on the outer wall of the inclined cantilever type rotary tower and the multi-joint screw unit;

a negative pressure material taking device is sleeved on the upper side surface of the last section screw machine of the multi-joint screw machine set, the negative pressure material taking device is of a multi-layer sleeve combined structure, so that the negative pressure material taking device forms an independent negative pressure airflow channel, a pipe connecting outlet is arranged on the side surface of the negative pressure material taking device, and the pipe connecting outlet is connected with the extending tail end of the material sucking hose;

and a discharge port of the fixed bearing platform is provided with a multi-angle material conveying device.

Furthermore, in order to improve the efficiency of spiral material taking, the negative pressure material taking device consists of a support sleeve, a suction sleeve, an air inlet sleeve and an annular material outlet air box, wherein the support sleeve is longest in length, the middle part of the support sleeve is connected with the first section of spiral machine through an installation pipe connecting assembly, the suction sleeve is sleeved at the tail part of the support sleeve, and the tail part of the suction sleeve is flush, so that an air backflow interlayer is formed between the support sleeve and the suction sleeve; the annular discharging gas box is arranged above the suction sleeve through a bearing to seal the top of the suction sleeve and form a discharging cavity communicated with the gas backflow interlayer, and the discharging cavity is communicated with the pipe connecting outlet; the bottom of the air inlet sleeve is sleeved on the suction sleeve in a flush manner, so that an air inlet interlayer is formed between the air inlet sleeve and the suction sleeve; an air inlet is formed between the gas backflow interlayer and the bottom of the gas inlet interlayer, an annular gas box is mounted at the top of the outer side of the air inlet sleeve, an air inlet valve is mounted on the outer side of the annular gas box, and the inner side of the annular gas box is communicated with the gas inlet interlayer.

Preferably, in order to facilitate the combination use and independent use of the spiral material taker or the negative pressure material taker for ship unloading, the tail part of the negative pressure material taker is abutted against the spiral material taker, and the feed inlet of the negative pressure material taker is communicated with the feed inlet of the spiral material taker. When the ship is unloaded independently using the spiral, the mechanical spiral material taking device can improve the efficiency, when the ship is unloaded under the negative pressure, the material is stirred mechanically, the material is more convenient to take, when the ship is unloaded independently using the negative pressure, the material is stirred by the mechanical spiral material taking device to be soft, and the negative pressure is easier to absorb.

Preferably, in order to improve the efficiency of negative pressure material taking, the material entering the feed inlet of the spiral material taking device and the material entering the feed inlet of the negative pressure material taking device are only imported at the same position, and the material conveying channel of the negative pressure material taking device is independent of the material conveying channel of the spiral material taking device.

Preferably, in order to reduce negative pressure energy consumption and start time, the double-barrier air locking structure is a double-layer barrier for blocking air and circulating powder, so that the vacuumizing space is reduced and the workload is reduced. The space of the inclined cantilever type rotary tower in the prior art is reduced to the powder-gas separator, the vacuumizing energy consumption is reduced, and the difficulty in implementing the scheme caused by the connection gap of the inclined cantilever type rotary tower which is mechanically connected in a long distance and large space is avoided.

Preferably, the multi-angle feeding device comprises a first spiral conveyer, the first spiral conveyer is connected with a discharge port of the fixed bearing platform through a flange plate, a sleeve and a sealing piece, so that the feeding direction of the first spiral conveyer can be adjusted in a large range, a telescopic vertical material pipe is installed at the outlet end of the first spiral conveyer, and an inclined second spiral conveyer is installed at the outlet end of the vertical material pipe.

In order to increase the fluidity of the materials and realize the function of small-gradient conveying, a fluidized bed is arranged in the inclined cantilever type rotary tower.

In order to ensure the stability of the structure, the symmetrical sides of the inclined cantilever type rotary tower are provided with counterweight beams, the vacuum pump is arranged on the counterweight beams, and the tail ends of the counterweight beams are suspended with counterweights.

Furthermore, the vacuum pump adopts a roots vacuum pump and is provided with a silencer.

Compared with the prior art, the utility model has the advantages of: the multifunctional powder separator has multiple functions, is suitable for unloading bulk powder or small-particle materials, can execute the combined use and independent use of a negative pressure unloading boat and a spiral unloading boat, optimizes the double functions after the combination of a spiral mechanism and a negative pressure mechanism, combines the negative pressure mechanism and the spiral mechanism on the same inclined cantilever type rotary tower to reduce the occupied area and reduce the addition of auxiliary cooperative equipment as the basis, combines the negative pressure mechanism and the spiral mechanism at the same time and respectively and independently sets, and the conveying channel and the spiral conveying channel of the negative pressure mechanism are respectively independent to realize the absolute sealing of negative pressure, improve the working efficiency of the negative pressure, avoid the leakage caused by the mechanically connected gap which exists in the same space shared by the spiral mechanism and the inclined cantilever type rotary tower, and simultaneously add a double-layer grid separating mechanism at the bottom of the powder separator to also break the part communicated with the inclined cantilever type rotary tower to realize the absolute independence, the vacuum space is reduced, the negative pressure energy consumption is reduced, the negative pressure ship unloading and the spiral ship unloading are used simultaneously and can also be independently used, the spiral ship unloading can be completely adopted according to the earlier stage, the most standard ship unloading procedure operation of the negative pressure ship unloading is adopted in the later stage, the experimental machine is verified to be feasible, the practicability is higher, and the market application prospect is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is an external view structural diagram of the final screw machine according to the embodiment of the present invention.

Fig. 3 is an internal structure view of the final screw machine according to the embodiment of the present invention.

Fig. 4 is a schematic view of the screw material taking device and the negative pressure material taking device of the embodiment of the present invention being assembled on the last screw machine.

Fig. 5 is a schematic view of a ship unloader applied to dock ship unloading according to an embodiment of the present invention.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1-4, the present invention provides a technical solution: a negative pressure spiral dual-function integrated ship unloader comprises a fixed bearing platform 1, an inclined cantilever type rotary tower 4 and a multi-joint screw unit, wherein the inclined cantilever type rotary tower 4 and a rotary tower driving device are installed at the upper port of the fixed bearing platform 1 through a flange plate and a main rotary bearing 3, a side feeding port of the inclined cantilever type rotary tower 4 is connected with the multi-joint screw unit through a toothless rotary bearing 19, a lifting oil cylinder 11 is installed on an oil cylinder support at the upper end of a feeding port of the inclined cantilever type rotary tower 4, a hoop 12 is arranged at the tail end of the lifting oil cylinder 11, and the hoop 12 is sleeved with a last-joint screw unit 23, so that the supporting points of the lifting oil cylinder 11 and the last-joint screw unit 23 are adjusted; the upper end of the tail part of the inclined cantilever type rotary tower 4 is opened and provided with a material-gas separator 9, a double-barrier air locking structure 20 is arranged between the material-gas separator and the inclined cantilever type rotary tower, the air outlet of the material-gas separator 9 is connected with a vacuum pump 8, the air inlet of the material-gas separator is provided with a material suction hose 14, and the material suction hose 14 extends along the multi-joint screw unit and is fixed on the outer wall of the multi-joint screw unit; the material taking device is provided with a spiral material taking device 17 and a negative pressure material taking device 16, the spiral material taking device 17 is of a tubular structure and is arranged on a flange at the bottom end of a sleeve of a first section of screw machine 15 of the multi-joint screw machine set, and the bottom of the spiral material taking device 17 is provided with a bottom plate with a hole and a supporting seat and is connected with a driving shaft through the supporting seat; the driving shaft is positioned in the screw shaft of the first section of screw machine 15, the screw shaft and the driving shaft are respectively connected with an independent driving motor, two symmetrical feed inlets are axially formed in the side surface of the screw material taking device, and the side surface of each feed inlet is in an Archimedes spiral line shape gradually expanding in the radial direction; the negative pressure material taking device 16 is a tubular structure and is sleeved and installed on a sleeve of a first section of screw machine 15 of a multi-section screw machine set, the negative pressure material taking device 16 consists of three sleeves which are distributed in a step shape and respectively comprise a supporting sleeve 168, a suction sleeve 162 and an air inlet sleeve 161, the supporting sleeve 168 has the longest length, the middle part of the supporting sleeve 168 is connected with the first section of screw machine 15 through a mounting pipe connecting assembly 169, the suction sleeve 162 is sleeved and aligned with the tail part of the supporting sleeve 168, a gas backflow interlayer 165 is formed between the supporting sleeve 168 and the suction sleeve 162, an annular material discharging gas box 167 is installed above the suction sleeve 162 through a bearing, the annular material discharging gas box 167 seals the top of the suction sleeve 162 and forms a material discharging cavity communicated with the gas backflow interlayer 165, a pipe connecting outlet 18 is further arranged on the side surface of the annular material discharging gas box 167, and the pipe connecting outlet 18 is connected with a material sucking, the bottom of the air inlet sleeve 161 is sleeved on the suction sleeve 162 in a flush manner, so that a gas inlet interlayer 164 is formed between the air inlet sleeve 161 and the suction sleeve 162, an air inlet hole 166 is formed between the gas backflow interlayer 165 and the bottom of the gas inlet interlayer 164, an annular air box 163 is installed at the top of the outer side of the air inlet sleeve 161, an air inlet valve 19 is installed at the outer side of the annular air box 163, and the inner side of the annular air box 163 is communicated with the gas inlet interlayer 164; a double-oil-cylinder steering mechanism is arranged at the connecting port of the first section of screw machine 15 and the second section of screw machine 13 of the multi-joint screw machine set; the discharge gate of fixed bolster 1 install double flange discharge mechanism 2, first screw conveyer 5 is installed to this double flange discharge mechanism 2 bottom, the vertical material pipe 6 of telescopic is installed to the exit end of first screw conveyer 5, the second screw conveyer 7 of slope is installed to the exit end of vertical material pipe 6.

The symmetrical sides of the inclined cantilever type rotary tower 4 are provided with counterweight beams 10, the vacuum pump 8 is arranged on the counterweight beams 10, and the tail end of the counterweight beam 10 is hung with a counterweight 21; the vacuum pump 8 adopts a Roots vacuum pump 8 and is provided with a silencer; the fluidized bed is arranged in the inclined cantilever type rotary tower 4.

The tail part of the negative pressure material taking device 16 is abutted against the spiral material taking device 17, and the feed inlet of the negative pressure material taking device 16 is communicated with the feed inlet of the spiral material taking device 17.

The material entering from the feed inlet of the spiral material taking device 17 and the feed inlet of the negative pressure material taking device 16 is only imported at the same position, and the material conveying channel of the negative pressure material taking device 16 is independent of the material conveying channel of the spiral material taking device 17.

The double-barrier air locking structure 20 is a double-barrier for blocking air and circulating powder, so that the vacuumizing space is reduced and the workload is reduced.

Referring to fig. 5, the ship unloader of the present invention covers the cabin 22 completely by the inclined cantilever type turret 4 and the multi-joint screw unit. When the ship is unloaded initially, each spiral shaft of the multi-joint spiral unit is started and the hydraulic drive arm support is operated to unload the ship. The drive shaft drives the spiral material taking device 17 to rotate, the spiral material taking device 17 extends into the material, the material is brought into the material inlet of the spiral material taking device 17 and can be sent into the inclined cantilever type rotating tower 4 through the multi-joint screw unit, a fluidized bed is arranged in the inclined cantilever type rotating tower 4, the conveyed material falls into the fixed bearing platform 1 and is conveyed into the transport vehicle through the output of the first spiral conveyer 5 connected with the fixed bearing platform through the double-flange discharging mechanism 2 in any direction, and finally, the conveyed material is conveyed into the transport vehicle through the second spiral conveyer 7.

When the cabin is cleaned, closing or not closing each spiral shaft of the multi-joint spiral unit, keeping the spiral material extractor 17 rotating, starting the vacuum pump 8 and the air inlet valve 19, enabling high-speed airflow to enter the air inlet interlayer 164 through the air inlet valve 19 and be discharged into the air backflow interlayer 165 of the negative pressure material extractor 16 through the air outlet hole, enabling the material entering the negative pressure material extractor 16 to be dispersed and gasified by the high-speed airflow from the air inlet valve 19 under high vacuum, then enabling the material to enter the material suction hose 14 into the material-gas separator 9 through the communicating pipe 18, discharging the separated gas through the vacuum pump 8, enabling the material to fall into the fixed bearing platform 1 and be output by the first spiral conveyor 5 and the second spiral conveyor 7.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A negative pressure spiral dual-function integrated ship unloader comprises a fixed bearing platform, an inclined cantilever type rotary tower and a multi-joint spiral unit, wherein the inclined cantilever type rotary tower and a rotary tower driving device are installed at the upper end port of the fixed bearing platform through a flange plate and a main rotary support, a side feeding port of the inclined cantilever type rotary tower is connected with the multi-joint spiral unit through a toothless rotary support, a material-gas separator is installed at the upper end of the tail part of the inclined cantilever type rotary tower, an air outlet of the material-gas separator is connected with a vacuum pump, and a spiral material taking device is installed at the upper tail end feeding port of the last section spiral machine of the multi-joint spiral unit,

2. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the negative pressure material taking device consists of a support sleeve, a suction sleeve, an air inlet sleeve and an annular discharging air box, wherein the support sleeve is longest in length, the middle part of the support sleeve is connected with the first section of screw machine through an installation pipe connecting assembly, the suction sleeve is sleeved at the tail part of the support sleeve, and the tail part of the suction sleeve is flush, so that an air backflow interlayer is formed between the support sleeve and the suction sleeve; the annular discharging gas box is arranged above the suction sleeve through a bearing to seal the top of the suction sleeve and form a discharging cavity communicated with the gas backflow interlayer, and the discharging cavity is communicated with the pipe connecting outlet; the bottom of the air inlet sleeve is sleeved on the suction sleeve in a flush manner, so that an air inlet interlayer is formed between the air inlet sleeve and the suction sleeve; an air inlet is formed between the gas backflow interlayer and the bottom of the gas inlet interlayer, an annular gas box is mounted at the top of the outer side of the air inlet sleeve, an air inlet valve is mounted on the outer side of the annular gas box, and the inner side of the annular gas box is communicated with the gas inlet interlayer.

3. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the tail part of the negative pressure material taking device is abutted against the spiral material taking device, and the feed inlet of the negative pressure material taking device is communicated with the feed inlet of the spiral material taking device.

4. The negative pressure screw dual-function integrated ship unloader of claim 3, wherein: the material that the feed inlet of spiral reclaimer and the feed inlet of negative pressure reclaimer got into is only same import in the feeding department, the defeated material passageway of negative pressure reclaimer and the defeated material passageway of spiral reclaimer are independent each other.

5. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the double-barrier air locking structure is a double-layer barrier for blocking air and circulating powder, so that the vacuumizing space is reduced and the workload is reduced.

6. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the multi-angle material conveying device comprises a first spiral conveyor, the first spiral conveyor is connected with a discharge port of the fixed bearing platform through a flange plate, a sleeve and a sealing piece, the material conveying direction of the first spiral conveyor is adjusted in a large range, a telescopic vertical material pipe is installed at the outlet end of the first spiral conveyor, and a second spiral conveyor inclined is installed at the outlet end of the vertical material pipe.

7. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the inclined cantilever type rotary tower is internally provided with a fluidized bed.

8. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the inclined cantilever type rotary tower is characterized in that counterweight beams are arranged on the symmetrical sides of the inclined cantilever type rotary tower, the vacuum pump is installed on the counterweight beams, and counterweights are hung at the tail ends of the counterweight beams.

9. The negative pressure screw dual-function integrated ship unloader of claim 1, wherein: the vacuum pump adopts a Roots vacuum pump and is provided with a silencer.