CN115092623A - Belt clamping type bulk grain vertical lifting test experiment platform and test method thereof - Google Patents
Belt clamping type bulk grain vertical lifting test experiment platform and test method thereof Download PDFInfo
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- CN115092623A CN115092623A CN202210635477.1A CN202210635477A CN115092623A CN 115092623 A CN115092623 A CN 115092623A CN 202210635477 A CN202210635477 A CN 202210635477A CN 115092623 A CN115092623 A CN 115092623A
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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
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning 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
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention relates to a material lifting equipment testing technology, in particular to a clamping belt type bulk grain vertical lifting test experiment platform and a test method thereof, wherein a regulation and control structure of the platform is respectively connected with a spiral feeding structure and a clamping belt type vertical lifting structure; the spiral feeding structure is provided with a feeding mode adjustable structure; the belt clamping type vertical lifting structure is provided with a lifting mode adjustable structure; after the feeding mode is adjusted and/or the lifting mode is adjusted, the regulating and controlling structure obtains the feeding parameters of the spiral feeding structure, obtains the lifting parameters of the clamping belt type vertical lifting structure, and forms the corresponding relation between the feeding parameters and the lifting parameters under the material lifting efficiency. The adjustable structure of the feeding mode and the adjustable structure of the lifting mode are flexibly adjusted, the feeding mode and the lifting mode are changed, the feeding parameters and the lifting parameters are quickly obtained, a corresponding matrix of a plurality of sets of lifting efficiency, feeding parameters and lifting parameters is formed and used for testing related basic parameters of vertical lifting of bulk grain, and the deficiency of the current related experiment testing system in China is systematically filled.
Description
Technical Field
The invention relates to a bulk grain conveying test technology, in particular to a belt clamping type bulk grain vertical lifting test experiment platform and a test method thereof.
Background
In recent years, along with the expansion of port scale, continuous ship unloaders are greatly developed in port bulk cargo ship unloading, and mainly present two conveying modes, one mode is a large-scale high-efficiency continuous ship unloader, the main machine modes of the continuous ship unloader are a chain bucket, a bucket wheel and a spiral mode, and the main operation mode of the continuous ship unloader is to load and unload heavy bulk cargo with poor fluidity, such as ores, coals and the like on a large bulk cargo port. The other is a small, mobile and multipurpose continuous ship unloader which mainly comprises a pneumatic type, a clamping belt type and the like, and the main operation mode is to load and unload fertilizer, grain, feed and other light bulk cargo with better mobility. Particularly, the belt clamping type ship unloader is a double-belt conveying system, the double-belt conveying system feeds materials from the tail part, the materials are conveyed between the double belts through the impellers, the materials can be lifted to the guide chute at a constant speed through the pressure of the air chambers to the double belts, and then the materials are conveyed to the horizontal conveying part through the guide chute, so that the lifting work of the materials is completed, and the double-belt ship unloader has the characteristics of low energy consumption, low breakage rate, good continuity and the like.
How to explore the lifting efficiency and the corresponding relation of various structural components of the belt-clamping type bulk grain vertical lifting equipment to the lifting efficiency, and a solution for the problem does not exist at present.
Disclosure of Invention
Technical problem to be solved
The invention provides a clamping type bulk grain vertical lifting test experiment platform and a test method thereof, and aims to solve the problems of poor flexibility and difficult adjustment of experiment equipment.
(II) technical scheme
In order to solve the technical problem, the invention provides an entrained type bulk grain vertical lifting test experiment platform, which comprises: the device comprises a spiral feeding structure, a clamping belt type vertical lifting structure and a regulating structure, wherein the regulating structure is connected with the spiral feeding structure and the clamping belt type vertical lifting structure respectively;
the spiral feeding structure is provided with a feeding mode adjustable structure;
the belt clamping type vertical lifting structure is provided with a lifting mode adjustable structure;
after the feeding mode is adjusted and/or the lifting mode is adjusted, the regulating structure obtains the feeding parameters of the spiral feeding structure, obtains the lifting parameters of the clamping belt type vertical lifting structure, and forms the corresponding relation between the feeding parameters and the lifting parameters under the material lifting efficiency.
In some embodiments, preferably, the feeding mode adjustable structure comprises more than two screw shafts with different screw pitches and/or more than two screw blades with different blade sizes;
the spiral blades are detachably arranged on the spiral shaft, the spiral shaft is arranged on the feeding support frame of the spiral feeding structure in an up-and-down adjusting mode through the mounting bearing, and the rotating speed of the spiral shaft is controllable in frequency conversion.
In some embodiments, preferably, the screw shaft is in power connection with a first variable frequency motor, and the first variable frequency motor is connected with the regulating structure.
In some embodiments, preferably, the air supply mode adjustable structure includes more than two sets of disk slots with different sizes of air holes and different air hole arrangement modes, each set of disk slot is spliced to form a vertical air chamber for the carrier tape and the cover tape to pass through;
the disc groove is detachably arranged on the lifting support of the clamping belt type vertical lifting structure.
In some embodiments, preferably, a variable frequency fan is connected to the regulating structure and supplies air to the air chamber through the air holes of the disk slot.
In some embodiments, it is preferable that an air pressure sensor is provided in the air chamber, and the air pressure sensor is connected to the control structure.
In some embodiments, preferably, the belt clamping type vertical lifting structure further comprises a head structure, the head structure is connected with the horizontal discharging structure, and a bearing belt driving drum rolling unit and a covering belt driving drum unit are arranged in a shell of the head structure;
the carrier tape drive roller unit includes: the bearing belt driving variable frequency motor and the bearing belt driving roller are connected through power;
the cover tape driving roller unit includes: the covering belt connected with the variable frequency motor through power drives the roller;
the bearing belt driving variable frequency motor and the covering belt driving variable frequency motor are respectively connected with a regulating structure;
a bearing belt driven roller and a covering belt driven roller are arranged in a shell of the spiral feeding device; the bearing belt of the circulation rotation is sleeved with the bearing belt driving roller and the bearing belt driven roller, and the covering belt of the circulation rotation is sleeved with the covering belt driving roller and the covering belt driven roller.
In some embodiments, preferably, a tensioning device unit and/or a buffer pressure regulating idler unit are/is further arranged in the head structure;
the tensioner unit includes: the tension adjusting structure is connected with the tension roller, and the bearing belt bypasses the tension roller.
In some embodiments, preferably, a buffer pressure regulating idler unit is further arranged in the head structure; the covering belt is arranged at the position where the covering belt is converted from the vertical direction to the horizontal direction, and bypasses the buffering and pressure-regulating carrier roller units; the buffering pressure regulating idler unit includes: the support comprises an integral support piece, a buffer supporting plate, an elastic buffer piece, a pneumatic cylinder and a plurality of carrier rollers which are arranged in parallel, wherein the buffer supporting plate is arranged on the integral support piece through the elastic buffer piece, the non-adjacent ends of the carrier rollers at the end parts are arranged on the buffer supporting plate through end part carrier roller supports, the connecting ends of the two adjacent carrier rollers are respectively connected to a middle area carrier roller support, and the middle area carrier roller supports are supported through the pneumatic cylinder.
In some embodiments, preferably, the housing of the head structure is provided with a viewing window.
In some embodiments, it is preferred that the horizontal discharge structure is provided at the discharge of the head structure, the horizontal discharge structure being provided on a plurality of support rollers, and the horizontal discharge structure further being provided with a movable chute, the chute being provided with a return conduit connection.
In some embodiments, it is preferable that the traveling trolley is mounted on a guide rail, and the traveling trolley is fixedly connected with the vertical belt-clamping lifting structure.
The invention also provides a test method of the belt-clamping type bulk grain vertical lifting test experiment platform, which comprises the following steps:
adjusting a feeding mode adjustable structure of the spiral feeding structure; and/or adjusting a lifting mode adjustable structure of the clamping belt type vertical lifting structure;
after the feeding mode is adjusted and/or the lifting mode is adjusted, obtaining feeding parameters of the spiral feeding structure and obtaining lifting parameters of the belt clamping type vertical lifting structure;
and forming a corresponding relation between the feeding parameters and the lifting parameters under the lifting efficiency of the specific material.
(III) advantageous effects
The invention provides a vertical lifting test experiment platform for entrained bulk grain, which comprises: the device comprises a spiral feeding structure, a clamping belt type vertical lifting structure and a regulating structure, wherein the regulating structure is connected with the spiral feeding structure and the clamping belt type vertical lifting structure respectively; the spiral feeding structure is provided with a feeding mode adjustable structure; the belt clamping type vertical lifting structure is provided with a lifting mode adjustable structure; after the feeding mode is adjusted and/or the lifting mode is adjusted, the regulating and controlling structure obtains the feeding parameters of the spiral feeding structure, obtains the lifting parameters of the clamping belt type vertical lifting structure, and forms the corresponding relation between the feeding parameters and the lifting parameters under the material lifting efficiency. The entrained type bulk grain vertical lifting test experiment platform is used for unfolding test, and a feeding mode adjustable structure of a spiral feeding structure is adjusted; and/or adjusting a lifting mode adjustable structure of the clamping belt type vertical lifting structure; after the feeding mode is adjusted and/or the lifting mode is adjusted, obtaining feeding parameters of the spiral feeding structure and obtaining lifting parameters of the clamping belt type vertical lifting structure; and forming a corresponding relation between the feeding parameters and the lifting parameters under the lifting efficiency of the specific material. The adjustable structure of the feeding mode and the adjustable structure of the lifting mode are flexibly adjusted, the spiral feeding structure and the vertical lifting structure of the clamping belt are rapidly changed, the feeding mode, the feeding amount and the feeding efficiency are changed, the tensioning degree of the bearing belt, the air pressure of an air chamber, the lifting mode and the like are changed, the feeding parameters and the lifting parameters are rapidly obtained by the adjusting and controlling structure, a corresponding matrix of a plurality of sets of lifting efficiency, feeding parameters and lifting parameters is formed, the feeding parameters and the lifting parameters corresponding to the optimal efficiency are obtained, and experimental data reference and guidance are provided for the operation of the vertical lifting machine of the belt clamping machine. The test platform system is mainly used for testing related basic parameters of vertical lifting of bulk grains, systematically fills up the shortage of the current domestic related experimental test system, and effectively supports intelligent, green and efficient vertical conveying of the bulk grains.
Drawings
FIG. 1 is a schematic view of an experimental platform for a vertical lifting test of entrained bulk grain according to the present invention;
FIG. 2 is a schematic view of the head of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of FIG. 2 of the present invention;
FIG. 4 is a top view of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of a viewing window of the head structure of the present invention;
FIG. 6 is a schematic view of a portion of a vertical lift structure of the present invention;
FIG. 7 is a schematic cross-sectional view of FIG. 6 of the present invention;
FIG. 8 is a schematic top view of the walking structure of the present invention;
fig. 9 is a schematic structural view of a buffering pressure-regulating idler unit according to an embodiment of the present invention.
Note: 1 spiral feeding structure, 2 vertical lifting structure of formula of smuggleing secretly, 3 regulation and control structure, 4 chutes, 5 feed back pipeline, 9, buffering pressure regulating bearing roller unit, 7 overspeed device tensioner unit, 8 feed bins, 13 observation windows, 17 travelling car driving motor, 19 dish groove, 20 air chamber, 23 helical blade, 24 winnowing pan, 25 screw axis, 26 cover belt first driven roller, 27 bearing belt first driven roller, 28 bearing belt second driven roller, 29 installation bearing seat, 30 cover belt second driven roller, 91 travelling car, 92 fixed bolster, 93 lead screw, 90 walking structure, 71 tensioning adjustment structure, 72 tensioning roller, 91 cushion carrier plate, 92 buffer spring, 93 pneumatic cylinder, 931 air chamber, 932 breather pipe, 933 push rod, sealing washer, 94 integral support, 95 bearing roller, 96 tip bearing roller support, 97 horizontal bearing roller, 98 middle area bearing roller support
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The invention provides a belt-clamping type vertical lifting test experiment platform for bulk grains and a test method thereof, aiming at solving the problem of flexible structure change in a test experiment.
The invention provides an entrained type bulk grain vertical lifting test experiment platform, as shown in figure 1, which comprises: the device comprises a spiral feeding structure 1, a clamping belt type vertical lifting structure 2 and a regulating and controlling structure 3, wherein the regulating and controlling structure 3 is respectively connected with the spiral feeding structure 1 and the clamping belt type vertical lifting structure 2; the spiral feeding structure 1 is provided with a feeding mode adjustable structure; the belt clamping type vertical lifting structure 2 is provided with a lifting mode adjustable structure; after the feeding mode is adjusted and/or the lifting mode is adjusted, the regulating and controlling structure 3 obtains the feeding parameters of the spiral feeding structure 1, obtains the lifting parameters of the belt clamping type vertical lifting structure 2 and forms the corresponding relation between the feeding parameters and the lifting parameters under the material lifting efficiency. The entrained type bulk grain vertical lifting test experiment platform is used for unfolding test, and the feeding mode adjustable structure of the spiral feeding structure 1 is adjusted; and/or adjusting a lifting mode adjustable structure of the clamping belt type vertical lifting structure 2; after the feeding mode is adjusted and/or the lifting mode is adjusted, obtaining the feeding parameters of the spiral feeding structure 1 and obtaining the lifting parameters of the clamping belt type vertical lifting structure 2; forming a corresponding relation between the feeding parameters and the lifting parameters under the lifting efficiency of the specific material.
The adjustable structure of the feeding mode and the adjustable structure of the lifting mode are flexibly adjusted, the spiral feeding structure 1 and the vertical lifting structure 2 in the clamping belt type are rapidly changed, the feeding mode, the feeding amount and the feeding efficiency are changed, the tensioning degree of the bearing belt, the air pressure of the air chamber 20, the lifting mode and the like are changed, the feeding parameters and the lifting parameters are rapidly obtained by the adjusting and controlling structure 3, a plurality of sets of corresponding matrixes of lifting efficiency, feeding parameters and lifting parameters are formed, the feeding parameters and the lifting parameters corresponding to the optimal efficiency are obtained, and experimental data reference and guidance are provided for the operation of the vertical lifting machine of the belt clamping machine. The test platform system is mainly used for testing related basic parameters of vertical lifting of bulk grains, systematically fills up the shortage of the current domestic related experimental test system, and effectively supports intelligent, green and efficient vertical conveying of the bulk grains.
The belt-clamping type bulk grain vertical lifting test experiment platform is explained in detail as follows:
this vertical promotion test experiment platform of formula bulk grain smugglies secretly includes as figure 1: feed bin, spiral feed structure 1, smuggle formula vertical lift structure 2 secretly and regulate and control structure 3, regulation and control structure 3 links to each other with spiral feed structure 1 and smuggle formula vertical lift structure 2 secretly respectively. The material that vertical promotion test experiment platform of clamp belt formula bulk grain used is put in feed bin 8, spiral feed structure 1 is drawn into the material from the feed bin, carry out vertical upwards promotion in sending into clamp belt formula vertical lifting structure 2, regulation and control structure 3 acquires spiral feed structure 1 in the operation, smuggle the working parameter of formula book fragrant promotion structure secretly, the time that regulation and control structure 3 acquireed working parameter focuses on in the operation, more pay close attention to behind the adjustment of spiral feed structure 1, carry the operation behind the vertical promotion structure 2 adjustment of formula secretly, in order to conveniently form the matching relation of working parameter and work efficiency after the adjustment, and then obtain the optimal matching scheme.
In order to flexibly adjust the feeding parameters of the spiral feeding structure 1, the spiral feeding structure 1 is provided with a feeding mode adjustable structure, and the feeding mode adjustable structure mainly comprises: more than two screw shafts 25 with different screw pitches, more than two screw blades 23 with different blade sizes; the spiral blades 23 are detachably arranged on the spiral shaft 25, the spiral shaft 25 can be arranged on the feeding support frame of the spiral feeding structure 1 in an up-and-down adjusting mode through the mounting bearing, and the rotating speed of the spiral shaft 25 can be controlled in a variable frequency mode. Under the same type of screw blade 23, the screw shafts 25 with different screw pitches have different feeding amounts during feeding, the larger the screw pitch is, the larger the power consumption is, the larger the feeding amount is, the smaller the screw pitch is, the lower the power consumption is, and the smaller the feeding amount is; in the screw shaft 25 with the same pitch, the larger the screw blade 23 is, the larger the feeding amount is, and the smaller the screw blade 23 is, the smaller the feeding amount is. The screw shaft 25 is installed on the support through the installation bearing, the installation bearing is fixed after the specific installation position is determined by adjusting the installation position up and down, the installation bearing drives the screw shaft 25 to be installed upwards under the same screw shaft 25 and the same screw blade 23, the material consumption is less, the installation is downwards more, the material consumption is more, and the material consumption is more until the screw blade 23 is completely submerged into the material. When the screw blade 23 is completely submerged in the material, the mounting position is moved downward again, and the feeding amount is not changed. Of course, the installation position of the installation bearing also needs to consider the size of the spiral blade 23, and in order to completely immerse the spiral blade 23 in the material, the installation position of the installation bearing of the spiral blade 23 with the large size is further downwards so as to drive the spiral shaft 25 and the spiral blade 23 to immerse the material, and the material is screwed into the dustpan 24.
The screw shaft 25 is driven by a variable frequency motor, the variable frequency motor is connected with the regulating and controlling structure 3, the variable frequency motor controls the rotating speed of the screw shaft 25, the variable frequency motor changes the frequency to realize the regulation, and the rotating speed of the screw shaft 25 is high, the feeding is more, the rotating speed is low and the feeding is less.
The feeding parameters obtained by the regulating structure 3 comprise: pitch, size of the screw blade 23, height of the installation position, rotation speed of the screw shaft 25, and the like.
In operation, the operation is stable, after the feeding parameters are obtained, the spiral shaft 25 with another screw pitch can be replaced, the spiral blade 23 with another size can be replaced, the mounting position of the mounting bearing can be adjusted, the rotating speed of the spiral shaft 25 can be adjusted, any two conditions can be adjusted simultaneously, any three conditions can be adjusted simultaneously, or four conditions can be adjusted simultaneously, so that the feeding parameters can be changed, after the adjustment and the stable operation are carried out, new feeding parameters and new working efficiency (or called new lifting efficiency) can be obtained, and a corresponding relation is formed.
For large-scale belt-clamping type bulk grain vertical lifting equipment, a screw shaft and a screw blade are fixed, and the invention is used for testing the influence of different screw shaft screw pitches, screw blade sizes and material-eating depths on the lifting efficiency for experiments, so the belt-clamping type bulk grain vertical lifting equipment is designed to be detachable and convenient to replace.
As shown in fig. 6 and 7, in order to flexibly adjust the lifting parameters of the clip-type vertical lifting structure 2, the clip-type vertical lifting structure 2 is provided with a lifting-mode adjustable structure, and the lifting-mode adjustable structure mainly comprises: more than two sets of disc grooves 19 with different sizes, shapes and arrangement modes of the air holes, wherein each set of disc grooves 19 is spliced to form a vertical air chamber 20 for the bearing belt and the covering belt to pass through; the tray 19 is detachably mounted on the lifting bracket of the clip-on vertical lifting structure 2. In the same shape of the air holes, the larger the air pressure of the air chamber 20, and the smaller the air holes, the lower the air pressure of the air chamber 20. For the same pore size, the more dense the pore arrangement, the more air pressure in the air chamber 20, the more sparse the pore arrangement, and the less air pressure in the air chamber 20. The tray groove 19 encloses an air chamber 20, and an external fan supplies air to the air chamber 20 through the air holes of the tray groove 19, and the air applies pressure to the carrier tape and the cover tape. The holes on the tray grooves 19 have different sizes, shapes and arrangement modes, so that the replacement of different tray grooves 19 can change the air pressure of the air on the bearing belt and the covering belt. The disc groove 19 is detachably mounted on the lifting bracket through bolts and nuts. The air supply fan also adopts a variable frequency fan to change the air speed. The invention discloses a large-scale belt-clamping type bulk grain vertical lifting structure disc groove which cannot be replaced, and the invention is an experiment for detecting whether the performance of equipment is influenced by the shape, size, arrangement and the like of the disc groove, so that the mounting mode of the disc groove needs to be set to be flexible to disassemble, and the disc groove is convenient to replace.
Furthermore, in order to obtain the gas pressure between the carrier tape and the cover tape, a gas pressure sensor is arranged in the gas chamber 20, which is connected to the control structure 3.
The lifting parameters include: air hole size, air hole shape, air hole arrangement mode, wind speed and wind pressure.
In the operation, the operation is stable, after the lifting parameters are obtained, one set of disc groove 19 can be adjusted and replaced to form a new air chamber 20, or the air speed of the variable frequency fan is adjusted, or the air speed and the air speed are adjusted at the same time to change the lifting parameters, and after the adjustment and the operation of the equipment are stable, new lifting parameters and new working efficiency (or called new lifting efficiency) are obtained to form a corresponding relation.
The clip-on vertical lifting structure 2, as shown in fig. 2 to 5, further includes: the head structure is connected with the horizontal discharging structure, and a bearing belt driving drum rolling unit and a covering belt driving drum unit are arranged in a shell of the head structure; the carrier tape drive roller unit includes: the bearing belt connected through power drives the variable frequency motor and the bearing belt drive roller; the cover tape driving roller unit includes: the covering belt connected with the variable frequency motor through power drives the roller; a first driven roller 27 of a bearing belt, a second driven roller 28 of the bearing belt, a first driven roller 26 of a cover belt and a second driven roller 30 of the cover belt are arranged in a shell of the spiral feeding device; the bearing belt which circularly rotates is sleeved on the bearing belt driving roller and the bearing belt driven roller, and the covering belt which circularly rotates is sleeved on the covering belt driving roller and the covering belt driven roller.
The bearing belt driving variable frequency motor and the covering belt driving variable frequency motor are respectively connected with the regulating structure 3, and both the bearing belt driving variable frequency motor and the covering belt driving variable frequency motor belong to lifting mode adjustable structures; bear the operating speed that the area drive inverter motor can adjust and bear the area, and then the lifting speed of adjustment material, the operating speed that covers the area can be adjusted to cover the area drive inverter motor, and then the lifting speed of adjustment material. The lifting parameters also include: the running speed of the bearing belt, the running speed of the covering belt, the frequency of the variable frequency motor driven by the bearing belt, the frequency of the variable frequency motor driven by the covering belt and the like.
In operation, the operation is stable, and after obtaining the lifting parameters, the frequency of the carrier belt driving variable frequency motor can be adjusted, or the frequency of the cover belt driving variable frequency motor can be adjusted, or both the two can be adjusted simultaneously, so as to change the lifting parameters, and after the adjustment and the equipment operation are stable, new lifting parameters and new working efficiency (or called new lifting efficiency) are obtained, so as to form a corresponding relation.
A tensioner unit 7 is also provided in the head structure to adjust the tension of the carrier tape. The tensioner unit 7 includes: a tension roller 72 and a tension adjusting structure 71, the tension adjusting structure 71 being connected to the tension roller, the carrier tape being passed around the tension roller. The tension adjustment structure 71 is attributed to the lifting manner adjustment structure. The tighter the carrier tape, the greater the lifting efficiency, the looser the carrier tape, and the lower the lifting efficiency.
In operation, the operation is stable, and after obtaining the lifting parameters, the tensioning adjustment structure 71 can be adjusted to change the tensioning degree of the carrier tape to change the lifting parameters, and after the adjustment and the operation of the equipment are stable, new lifting parameters and new working efficiency (or called new lifting efficiency) are obtained to form a corresponding relationship.
The tension adjusting device is used for experiments and testing the influence of the tension degree on the lifting efficiency, so that compared with large-scale belt clamping type bulk grain vertical lifting equipment, the tension adjusting device is designed with a tension adjusting structure and is convenient to adjust.
A buffering pressure-regulating carrier roller unit 9 is also arranged in the head structure, as shown in fig. 9; the buffer pressure-regulating carrier roller unit 9 is arranged at the position where the covering belt is converted from the vertical direction to the horizontal direction, and the covering belt bypasses the buffer pressure-regulating carrier roller unit 9; this buffering pressure regulating bearing roller unit 9 includes: the device comprises an integral support 94, a buffer supporting plate 91, an elastic buffer member (namely a buffer spring 92), a pneumatic cylinder 93 and a plurality of supporting rollers which are arranged in parallel, wherein the buffer supporting plate 91 is installed on the integral support 94 through the elastic buffer member, the non-adjacent ends of the supporting rollers (namely inclined supporting rollers 95) at the end part are installed on the buffer supporting plate 91 through end part supporting roller brackets 96, the connecting ends of two adjacent supporting rollers (namely inclined supporting rollers 95 and horizontal supporting rollers 97) are respectively connected onto a middle area supporting roller bracket 98, the middle area supporting roller bracket 98 is supported through the pneumatic cylinder 93, and a pneumatic cylinder configuration air chamber 931, an air vent pipe 932 and a push rod 933 are hermetically connected through a sealing ring 934. Based on the condition that a compression spring has the characteristics of buffering and vibration reduction, and the groove-shaped angle of the adjusting groove-shaped carrier roller and the height of the flat carrier roller can increase the belt tension to a certain extent, a novel buffering and pressure-adjusting carrier roller is provided. The larger the buffer pressure of the buffer pressure regulating carrier roller unit 9 is, the higher the lifting efficiency is, the smaller the buffer pressure is, and the lower the lifting efficiency is.
In the operation, the operation is stable, and after obtaining the promotion parameter, can adjust buffering pressure regulating bearing roller unit 9, change the cushioning degree of bearing the area to change the promotion parameter, wait to adjust and after equipment operation is stable, obtain new promotion parameter, new work efficiency (or called new promotion efficiency), form corresponding relation.
The invention is used for experiments and tests the influence of the buffering degree on the lifting efficiency, so that compared with large-scale belt-clamping type bulk grain vertical lifting equipment, the buffering pressure-regulating carrier roller unit is designed and is convenient to adjust.
It should be noted that any one of the above feeding mode adjusting structures and any one of the above lifting mode adjusting structures can be adjusted individually or in combination, and after adjustment, a new corresponding relationship between the lifting efficiency, the feeding parameters and the lifting parameters is formed.
Before adjusting the tension adjusting structure 71 or the buffer pressure adjusting carrier roller unit 9, how to adjust the tension adjusting structure needs to be determined according to the state of the carrier belt, so that more than one observation window 13 is arranged on the shell of the head structure.
Because this platform is used for the test experiment, consequently, the material of promotion need flow back in the feed bin, consequently, the ejection of compact department of head structure sets up horizontal discharge structure, and horizontal discharge structure sets up on a plurality of support rollers, and horizontal discharge structure has still set up mobilizable chute 4, and chute 4 sets up material return pipe 5 connecting portion. The material return pipeline 5 is connected with the chute 4, and can return the lifted material to the stock bin, so that the material can be recycled in the test.
After feeding, lifting and returning are carried out in the storage bin, the distribution of materials in the storage bin is uneven, as shown in fig. 1 and 8, the test experiment platform is further provided with a moving trolley 901 and a guide rail, the moving trolley 901 is installed on the guide rail, and the moving trolley 901 is fixedly connected with the clamping belt type vertical lifting structure 2. The guide rail is installed on the fixed support 902, the fixed support 902 is installed in the storage bin or outside the storage bin, the guide rail is a linear guide rail or a curved guide rail or a circular guide rail or a guide rail with other shapes, and the moving trolley 901 can move on the guide rail to reach the target position of the storage bin. The trolley 901 is brought to the feeding structure and the entrained vertically lifted structure 2 to the target discharge position. The travelling structure 90 is formed by the travelling trolley and the fixed support.
The movable trolley 901 can be pushed by a lead screw arranged on the fixed support 902, a lead screw 903 of the lead screw is driven by a movable trolley driving motor 17, a nut is screwed on the lead screw 903, and the nut drives the movable trolley 901 to move. Or a motor is arranged on the bottom roller of the moving trolley 901, and the motor directly drives the moving trolley 901 to move. The movement of the moving trolley 901 is controlled by a regulating structure 3, and the regulating structure 3 is connected with a motor for driving the trolley to move.
The moving trolley 901 is fixedly connected to the head structure of the clamping type vertical lifting structure 2, for example: the head structure rests on the dolly 901.
When the material below the feeding structure is insufficient, the moving trolley 901 moves to drive the feeding structure and the clamping belt type vertical lifting structure 2 to move to the position where the material is sufficient.
The belt-clamping type bulk grain vertical lifting test experiment platform is used for testing, and the specific test method comprises the following steps:
step 110, adjusting a feeding mode adjustable structure of the spiral feeding structure 1; and/or adjusting a lifting mode adjustable structure of the clamping belt type vertical lifting structure 2;
and starting the machine, determining a feeding position in the storage bin, stably operating, acquiring feeding parameters, lifting parameters and lifting efficiency, and forming a corresponding relation of the lifting efficiency, the feeding parameters and the lifting parameters.
And then adjusting a feeding mode adjustable structure and a lifting mode adjustable structure, wherein the specific adjusting mode and adjusting position can refer to the introduction, and any one of the feeding mode adjusting structure and any one of the lifting mode adjusting structure can be adjusted independently or in a combined manner.
Step 120, obtaining feeding parameters of the spiral feeding structure 1 and obtaining lifting parameters of the clamping belt type vertical lifting structure 2 after the feeding mode is adjusted and/or the lifting mode is adjusted;
and step 130, forming a corresponding relation between the feeding parameters and the lifting parameters under the lifting efficiency of the specific material.
After adjustment, a new corresponding relationship between the lifting efficiency, the feeding parameters and the lifting parameters is formed.
The generated corresponding relation can be used for analyzing data of the optimal scheme, and various optimal corresponding relations are obtained after analysis, so that reference is provided for large ship unloading equipment.
In addition, it should be understood by those skilled in the art that, in the specification of the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the embodiments of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, for purposes of simplicity of disclosure and to facilitate understanding of one or more of the various inventive aspects, the present invention is described in connection with the exemplary embodiments.
However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed embodiments of the invention require more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of an embodiment of this invention.
The present invention is not limited to the above-described preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a vertical promotion test experiment platform of formula bulk grain smugglies secretly which characterized in that includes: the device comprises a spiral feeding structure, a clamping belt type vertical lifting structure and a regulating structure, wherein the regulating structure is connected with the spiral feeding structure and the clamping belt type vertical lifting structure respectively;
the spiral feeding structure is provided with a feeding mode adjustable structure;
the belt clamping type vertical lifting structure is provided with a lifting mode adjustable structure;
after the feeding mode is adjusted and/or the lifting mode is adjusted, the regulating structure obtains the feeding parameters of the spiral feeding structure, obtains the lifting parameters of the clamping belt type vertical lifting structure, and forms the corresponding relation between the feeding parameters and the lifting parameters under the material lifting efficiency.
2. The entrained bulk grain vertical lifting test experiment platform according to claim 1, wherein the feeding mode adjustable structure comprises more than two screw shafts with different screw pitches and/or more than two screw blades with different blade sizes;
the spiral blade is detachably installed on the spiral shaft, the spiral shaft is installed on a feeding support frame of the spiral feeding structure in an up-and-down adjusting mode through an installation bearing, and the rotating speed frequency conversion of the spiral shaft is controllable.
3. The entrained bulk grain vertical lifting test experimental platform as claimed in claim 1, wherein the lifting mode adjustable structure comprises more than two sets of disk grooves with different sizes, shapes and arrangement modes of air holes, and each set of disk grooves is spliced to form a vertical air chamber for a bearing belt and a covering belt to pass through;
the disc groove is detachably arranged on the lifting support of the clamping belt type vertical lifting structure.
4. The entrained bulk grain vertical lifting test experiment platform according to claim 3, wherein a variable frequency fan supplies gas to a gas chamber through a gas hole of the disc groove, and the variable frequency fan is connected with the regulating structure;
and/or the presence of a gas in the gas,
an air pressure sensor is arranged in the air chamber and connected with the regulating structure.
5. The entrained bulk grain vertical lifting test experiment platform according to any one of claims 1 to 4, wherein the entrained bulk grain vertical lifting structure further comprises a head structure, the head structure is connected with a horizontal discharging structure, and a bearing belt driving drum rolling unit and a covering belt driving drum unit are arranged in a shell of the head structure;
the carrier tape drive roller unit includes: the bearing belt connected through power drives the variable frequency motor and the bearing belt drive roller;
the cover tape driving roller unit includes: the covering belt connected with the variable frequency motor through power drives the roller;
the bearing belt driving variable frequency motor and the covering belt driving variable frequency motor are respectively connected with a regulating structure;
a bearing belt driven roller and a covering belt driven roller are arranged in a shell of the spiral feeding device; the bearing belt of the circulation rotation is sleeved with the bearing belt driving roller and the bearing belt driven roller, and the covering belt of the circulation rotation is sleeved with the covering belt driving roller and the covering belt driven roller.
6. The entrained bulk grain vertical lifting test experiment platform of claim 5, wherein a tensioning device unit is further disposed within the head structure;
the tensioner unit includes: the tension adjusting structure is connected with the tension roller, and the bearing belt bypasses the tension roller; and/or the presence of a gas in the gas,
a buffering and pressure-regulating carrier roller unit is also arranged in the head structure; the buffer pressure-regulating carrier roller unit is arranged at the position where the covering belt is converted from the vertical direction to the horizontal direction, and the covering belt bypasses the buffer pressure-regulating carrier roller unit; the impact pressure regulating idler unit includes: the support comprises an integral support piece, a buffer supporting plate, an elastic buffer piece, a pneumatic cylinder and a plurality of carrier rollers which are arranged in parallel, wherein the buffer supporting plate is arranged on the integral support piece through the elastic buffer piece, the non-adjacent ends of the carrier rollers at the end parts are arranged on the buffer supporting plate through end part carrier roller supports, the connecting ends of the two adjacent carrier rollers are respectively connected to a middle area carrier roller support, and the middle area carrier roller supports are supported through the pneumatic cylinder.
7. The vertical lifting test experiment platform of entrained bulk grain of claim 5, wherein the shell of the head structure is provided with an observation window.
8. An entrained bulk grain vertical lifting test experiment platform according to claim 5, characterized in that the horizontal discharging structure is arranged at the discharging position of the head structure, the horizontal discharging structure is arranged on a plurality of supporting rollers, and the horizontal discharging structure is further provided with a movable chute which is provided with a return material pipe connecting part.
9. The entrained grain vertical lifting test experiment platform according to claim 5, characterized by a moving trolley and a guide rail, wherein the moving trolley is mounted on the guide rail and is fixedly connected with the entrained grain vertical lifting structure.
10. The test method of the belt-clamping type bulk grain vertical lifting test experiment platform of any one of claims 1 to 9 is characterized by comprising the following steps:
adjusting a feeding mode adjustable structure of the spiral feeding structure; and/or adjusting a lifting mode adjustable structure of the clamping belt type vertical lifting structure;
after the feeding mode is adjusted and/or the lifting mode is adjusted, obtaining the feeding parameters of the spiral feeding structure and obtaining the lifting parameters of the clamping belt type vertical lifting structure;
and forming a corresponding relation between the feeding parameters and the lifting parameters under the lifting efficiency of the specific material.
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