Disclosure of Invention
The invention aims to provide a rapeseed cleaning and screening machine, which solves the problem that a screen of a general screening machine is inconvenient to replace in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rapeseed cleaning and screening machine comprises a base and a control cabinet, wherein the control cabinet is fixedly connected at the left end of the base, a collecting hopper is fixedly connected at one end of the base, a first collecting box is arranged at the lower side of the collecting hopper, a screening device is fixedly connected at one end of the base, a feeding device is fixedly connected at the inner side of the top end of the base, a processing device is fixedly connected at the right end of the base, a second electric telescopic rod is fixedly connected at the inner side of the right end of the collecting hopper, a guide hopper is fixedly connected at the left end of the second electric telescopic rod, a baffle is fixedly connected at the left end of the guide hopper, a second humidity sensor is fixedly connected at the inner side of one end of the processing device, a second collecting box is arranged at one end of the base, a first alarm lamp is fixedly connected at the top end of the base, the screening device comprises a screen, a transition frame, a connecting block, a limiting shaft, a fixing frame, a connecting rod, a crankshaft, a first motor, a rotating block, a first spring, a limiting pin and a guide plate, wherein the fixing frame is fixedly connected to the inner side of the left end of the base, the first motor is fixedly connected to the inner side of the right end of the fixing frame, the crankshaft is fixedly connected to the tail end of a main shaft of the first motor and is rotatably connected with the fixing frame, the connecting rod is rotatably connected to the outer side of the crankshaft, the connecting block is rotatably connected to the top end of the connecting rod and is slidably connected with the fixing frame, the rapeseed cleaning screening machine further comprises two rotating blocks, one of the rotating blocks is rotatably connected with the inner side of one end of the connecting block, the other rotating block is rotatably connected with one end of the base, the screen is arranged at the top end of the rotating block, the transition frame, the bottom end of the screen is fixedly connected with a guide plate.
Preferably, the inner side of one end of the rotating block is connected with a limiting pin in a sliding mode, a first spring is arranged on the outer side of the limiting pin, and two ends of the first spring are fixedly connected with the limiting pin and the rotating block respectively.
Preferably, the inner side of the bottom end of the connecting block is slidably connected with a limiting shaft, the limiting shaft is fixedly connected with the fixing frame, the number of the limiting shafts is two, and the limiting shafts are symmetrically distributed on the left side and the right side of the vertical central line of the fixing frame.
Preferably, the feeding device comprises a feeding hopper, a rocker, a push rod, a push block, a first electric telescopic rod and a protective shell, the feeding hopper is fixedly connected to the inner side of the top end of the base, the protective shell is fixedly connected to the inner side of the right end of the feeding hopper, and the first electric telescopic rod is fixedly connected to the inner side of the right end of the protective shell.
Preferably, the left end of the first electric telescopic rod is rotatably connected with a push rod through a hinge, the left end of the push rod is rotatably connected with a rocker through a hinge, and the rocker is rotatably connected with the feeding hopper.
Preferably, processing apparatus is including handling case, door plant, handle, dry shell, heater strip, fan, cassette, limiting plate, filter screen, dead lever, ventilative section of thick bamboo, end cover, second spring, connecting seat, first humidity transducer, second motor and lifting plate, the dry shell of the vertical setting of right-hand member fixedly connected with of base, the inboard fixedly connected with of left end of dry shell has the dead lever that the level set up, the bottom fixedly connected with fan of dead lever, the downside of fan is provided with the heater strip, and heater strip and dry shell fixed connection.
Preferably, the inboard fixedly connected with connecting seat of left end of dry shell, the inboard fixedly connected with second spring of left end of connecting seat, the right-hand member of second spring is provided with the filter screen, and filter screen and dry shell sliding connection, the right-hand member fixedly connected with cassette of dry shell, the inboard sliding connection of cassette has the limiting plate, and limiting plate and filter screen contact.
Preferably, the left end of the drying shell is communicated with a processing box through a pipeline, the inner side of the right end of the processing box is spirally connected with a door plate, the right end of the door plate is fixedly connected with a handle, the inner side of the right end of the processing box is fixedly connected with a second motor, the tail end of a main shaft of the second motor is fixedly connected with a ventilating cylinder, air holes are formed in the inner side of the periphery of the ventilating cylinder, the inner side of the top end of the drying shell is spirally connected with an end cover, and the inner side of the ventilating cylinder is fixedly connected with a.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the screen, the limiting shaft, the connecting rod, the crankshaft, the first motor, the rotating block, the first spring, the limiting pin and the like, on one hand, the screen is driven to reciprocate up and down through the mechanism such as the crankshaft connecting rod, the impurities such as branches and chaffs mixed in the rapeseed can be conveniently separated from the rapeseed through the vibration of the screen, the screening speed is improved, the screening quality can be ensured, on the other hand, the screen can be quickly fixed through the mutual matching of the transition frame and the limiting pin, the screen can be conveniently maintained and replaced in the later period, and the use of workers is facilitated.
2. According to the invention, through the feeding hopper, the rocker, the push rod, the push block, the first electric telescopic rod, the protective shell and the like, the rocker is pushed by the push rod to shake back and forth at the outlet of the feeding hopper, so that the phenomenon that the outlet of the feeding hopper is blocked due to branches mixed in vegetable seeds can be prevented, the normal and stable work of the feeding hopper is ensured, and the feeding efficiency is improved.
3. According to the invention, through the arrangement of the treatment box, the first collecting box, the heating wire, the fan, the filter screen, the ventilating cylinder, the connecting seat and the like, on one hand, rapeseed with proper humidity can be collected through the first collecting box, on the other hand, through the mutual matching of the ventilating cylinder, the fan and other mechanisms, the rapeseed with unqualified humidity can be quickly dried, and dust in a workshop can be prevented from being filtered through the filter screen, the ventilating cylinder is prevented from being blocked by the dust in the workshop, and the filter screen is convenient to disassemble and replace.
Detailed Description
Example 1:
referring to fig. 1-5, the present invention provides a technical solution:
a rapeseed cleaning and screening machine comprises a base 1 and a control cabinet 2, wherein the control cabinet 2 is fixedly connected at the left end of the base 1, a collecting hopper 7 is fixedly connected at one end of the base 1, a first collecting box 3 is arranged at the lower side of the collecting hopper 7, a screening device 5 is fixedly connected at one end of the base 1, a feeding device 4 is fixedly connected at the inner side of the top end of the base 1, a processing device 6 is fixedly connected at the right end of the base 1, a second electric telescopic rod 10 is fixedly connected at the inner side of the right end of the collecting hopper 7, a guide hopper 9 is fixedly connected at the left end of the second electric telescopic rod 10, a baffle plate 8 is fixedly connected at the left end of the guide hopper 9, a second humidity sensor 11 is fixedly connected at the inner side of one end of the processing device 6, a second collecting box 12 is arranged at one end of the base 1, a first alarm lamp 13, the screening device 5 comprises a screen 501, a transition frame 502, a connecting block 503, a limiting shaft 504, a fixing frame 505, a connecting rod 506, a crankshaft 507, a first motor 508, a rotating block 509, a first spring 510, a limiting pin 511 and a guide plate 512, wherein the inner side of the left end of the base 1 is fixedly connected with the fixing frame 505, the inner side of the right end of the fixing frame 505 is fixedly connected with the first motor 508, the tail end of a main shaft of the first motor 508 is fixedly connected with the crankshaft 507, the crankshaft 507 is rotatably connected with the fixing frame 505, the outer side of the crankshaft 507 is rotatably connected with the connecting rod 506, the top end of the connecting rod 506 is rotatably connected with the connecting block 503, the connecting block 503 is slidably connected with the fixing frame 505, the rapeseed cleaning and screening machine further comprises two rotating blocks 503, one of the rotating blocks 503 is rotatably connected with the inner side of one end of the connecting block 503, the top end of the, one end of the screen 501 is provided with a transition frame 502, the transition frame 502 is clamped with a rotating block 509, and the bottom end of the screen 501 is fixedly connected with a guide plate 512.
The inner side of one end of the rotating block 509 is connected with a limiting pin 511 in a sliding manner, the outer side of the limiting pin 511 is provided with a first spring 510, two ends of the first spring 510 are respectively fixedly connected with the limiting pin 511 and the rotating block 509, the limiting pin 511 can be driven by the first spring 510 to realize the limiting and fixing of the transition frame 502, the inner side of the bottom end of the connecting block 503 is connected with a limiting shaft 504 in a sliding manner, the limiting shaft 504 is fixedly connected with a fixing frame 505, the number of the limiting shafts 504 is two, the limiting shafts are symmetrically distributed on the left side and the right side of the vertical central line of the fixing frame 505, the limiting and fixing of the connecting block 503 can be realized through the limiting shaft 504, the feeding device 4 comprises a feeding hopper 401, a rocker 402, a push rod 403, a push block 404, a first electric telescopic rod 405 and a protective shell 406, the inner side of the top end of the base 1 is fixedly connected with the feeding hopper 401, the left end of the first electric telescopic rod 405 is rotatably connected with a push rod 403 through a hinge, the left end of the push rod 403 is rotatably connected with a rocker 402 through a hinge, the rocker 402 is rotatably connected with the feeding hopper 401, the rocker 403 drives the rocker 402 to swing left and right, the blockage of the outlet of the feeding hopper 401 caused by impurities such as chaff and branches mixed in vegetable seeds can be prevented, the processing device 6 comprises a processing box 601, a door panel 602, a handle 603, a drying shell 604, a heating wire 605, a fan 606, a clamping seat 607, a limiting plate 608, a filter screen 609, a fixing rod 610, a ventilation cylinder 611, an end cover 612, a second spring 613, a connecting seat 614, a first humidity sensor 615, a second motor 616 and a lifting plate 617, the drying shell 604 which is vertically arranged is fixedly connected with the right end of the base 1, the fixing rod 610 which is horizontally arranged is fixedly connected with the inner side of the left end of the drying, a heating wire 605 is arranged at the lower side of the fan 606, the heating wire 605 is fixedly connected with the drying shell 604, a connecting seat 614 is fixedly connected with the inner side of the left end of the drying shell 604, a second spring 613 is fixedly connected with the inner side of the left end of the connecting seat 614, a filter screen 609 is arranged at the right end of the second spring 613, the filter screen 609 is slidably connected with the drying shell 604, a clamping seat 607 is fixedly connected with the right end of the drying shell 604, a limiting plate 608 is slidably connected with the inner side of the clamping seat 607, the limiting plate 608 is in contact with the filter screen 609, dust in the inner side of a production workshop can be filtered through the filter screen 609, the dust is prevented from entering the inner side of the drying shell 604, the filter screen 609 can be conveniently replaced through the actions of the clamping seat 607, the limiting plate 608 and the second spring 613, the left end of the drying shell 604 is communicated with the, the inner side of the right end of the treatment box 601 is fixedly connected with a second motor 616, the tail end of a main shaft of the second motor 616 is fixedly connected with a ventilating cylinder 611, air holes are formed in the inner side of the periphery of the ventilating cylinder 611, the inner side of the top end of the drying shell 604 is spirally connected with an end cover 612, a lifting plate 617 is fixedly connected to the inner side of the ventilating cylinder 611, the rapeseeds can be driven to be in a high position through the lifting plate 617, then the rapeseeds are thrown down, and the rapeseeds fall down from the high position, so that the rap.
The model of the control cabinet 2 is SDTH, the model of the first electric telescopic rod 405 is ANT-36, the model of the second electric telescopic rod 10 is NKLB50, the models of the first motor 508 and the second motor 616 are Y1-160M1-8 motors, the models of the first humidity sensor 615 and the second humidity sensor 11 are AM2305, and the model of the fan 606 is a D-type 9-26 fan.
The working process is as follows: before the device is used, firstly, an external power supply supplies power, firstly, a worker adds rapeseeds to the inner side of a feeding hopper 401, meanwhile, a control cabinet 2 controls a first electric telescopic rod 405 to drive a pushing block 404 to slide back and forth along a protective shell 406, the pushing block 404 pushes the rapeseeds while moving, meanwhile, the pushing block 404 drives a rocker 402 to rock back and forth at a discharge port of the feeding hopper 401 through a push rod 403, the phenomenon that the discharge port of the feeding hopper 401 is blocked can be prevented through the rocking of the rocker 402, then the rapeseeds fall onto a screen 501 at the lower side through the discharge port of the feeding hopper 401, meanwhile, the control cabinet 2 controls a first motor 508 to drive a crankshaft 507 to rotate, a connecting rod 506 is driven to reciprocate up and down through the rotation of the crankshaft 507, then the connecting rod 506 drives a connecting block 503 to reciprocate up and down along a limiting shaft 504, then the connecting block 503, meanwhile, the left rotating block 509 and the connecting block 503 rotate relatively, then the left rotating block 509 drives the left transition frame 502 and the screen 501 to rotate relatively with one end of the base 1 through the right rotating block 509, the screening of the vegetable seeds can be accelerated by the back-and-forth shaking of the screen 501, the vegetable seeds can fall to the inner side of the collecting hopper 7 through the screen 501, impurities such as chaff and branches fall to the right second collecting tank 12 along the screen 501 and the right transition frame 502, when the vegetable seeds in the inner side of the collecting hopper 7 do not pass through the first humidity sensor 615, the first humidity sensor 615 can detect the humidity of the vegetable seeds, when the detected humidity meets the humidity requirement, the first alarm lamp 13 does not give an alarm, a worker can control the second electric telescopic rod 10 to drive the guide hopper 9 and the baffle plate 8 to move to the right through the control cabinet 2, so that the baffle plate 8 can remove the blockage of the outlet of the collecting hopper 7, meanwhile, the worker stops adding the vegetable seeds to the inner side of the feeding hopper 401, then the vegetable seeds on the inner side of the collecting hopper 7 fall to the inner side of the first collecting tank 3, after the vegetable seeds on the inner side of the collecting hopper 7 fall, the baffle 8 is reset, the worker continues to add the rapeseeds to the inner side of the feeding hopper 401, the rapeseeds are continuously screened, when the screen 501 needs to be replaced, the worker pulls out the limit pins 511 at both ends from the inner side of the transition frame 502, then the transition frame 502 is taken down, so that the screen 501 can be disassembled, the operation is simple, when the new screen 501 is replaced, the operation is carried out according to the reverse steps, when the filter screen 609 needs to be replaced, the worker takes out the limit plate 608 from the inner side of the clamping seat 607, the filter screen 609 will then eject a portion of the drying shell 604 under the action of the second spring 613, the worker can then take out the filter screen 609 and return to the original position by the reverse procedure.
Example 2:
referring to fig. 1-5, the present invention provides a technical solution:
a rapeseed cleaning and screening machine comprises a base 1 and a control cabinet 2, wherein the control cabinet 2 is fixedly connected at the left end of the base 1, a collecting hopper 7 is fixedly connected at one end of the base 1, a first collecting box 3 is arranged at the lower side of the collecting hopper 7, a screening device 5 is fixedly connected at one end of the base 1, a feeding device 4 is fixedly connected at the inner side of the top end of the base 1, a processing device 6 is fixedly connected at the right end of the base 1, a second electric telescopic rod 10 is fixedly connected at the inner side of the right end of the collecting hopper 7, a guide hopper 9 is fixedly connected at the left end of the second electric telescopic rod 10, a baffle plate 8 is fixedly connected at the left end of the guide hopper 9, a second humidity sensor 11 is fixedly connected at the inner side of one end of the processing device 6, a second collecting box 12 is arranged at one end of the base 1, a first alarm lamp 13, the screening device 5 comprises a screen 501, a transition frame 502, a connecting block 503, a limit shaft 504, a fixing frame 505, a connecting rod 506, a crankshaft 507, a first motor 508, a rotating block 509, a first spring 510, a limit pin 511 and a guide plate 512, wherein the inner side of the left end of the base 1 is fixedly connected with the fixing frame 505, the inner side of the right end of the fixing frame 505 is fixedly connected with the first motor 508, the tail end of a main shaft of the first motor 508 is fixedly connected with the crankshaft 507, the crankshaft 507 is rotatably connected with the fixing frame 505, the outer side of the crankshaft 507 is rotatably connected with a connecting rod 506, the top end of the connecting rod 506 is rotatably connected with a connecting block 503, the connecting block 503 is connected with the fixing frame 505 in a sliding way, the inner side of one end of the connecting block 503 and one end of the base 1 are both connected with a rotating block 509 in a rotating way, the top end of the rotating block 509 is provided with a screen 501, one end of the screen 501 is provided with a transition frame 502, the transition frame 502 is engaged with the rotary block 509, and the bottom end of the screen 501 is fixedly connected with a guide plate 512.
The inner side of one end of the rotating block 509 is connected with a limiting pin 511 in a sliding manner, the outer side of the limiting pin 511 is provided with a first spring 510, two ends of the first spring 510 are respectively fixedly connected with the limiting pin 511 and the rotating block 509, the limiting pin 511 can be driven by the first spring 510 to realize the limiting and fixing of the transition frame 502, the inner side of the bottom end of the connecting block 503 is connected with a limiting shaft 504 in a sliding manner, the limiting shaft 504 is fixedly connected with a fixing frame 505, the number of the limiting shafts 504 is two, the limiting shafts are symmetrically distributed on the left side and the right side of the vertical central line of the fixing frame 505, the limiting and fixing of the connecting block 503 can be realized through the limiting shaft 504, the feeding device 4 comprises a feeding hopper 401, a rocker 402, a push rod 403, a push block 404, a first electric telescopic rod 405 and a protective shell 406, the inner side of the top end of the base 1 is fixedly connected with the feeding hopper 401, the left end of the first electric telescopic rod 405 is rotatably connected with a push rod 403 through a hinge, the left end of the push rod 403 is rotatably connected with a rocker 402 through a hinge, the rocker 402 is rotatably connected with the feeding hopper 401, the rocker 403 drives the rocker 402 to swing left and right, the blockage of the outlet of the feeding hopper 401 caused by impurities such as chaff and branches mixed in vegetable seeds can be prevented, the processing device 6 comprises a processing box 601, a door panel 602, a handle 603, a drying shell 604, a heating wire 605, a fan 606, a clamping seat 607, a limiting plate 608, a filter screen 609, a fixing rod 610, a ventilation cylinder 611, an end cover 612, a second spring 613, a connecting seat 614, a first humidity sensor 615, a second motor 616 and a lifting plate 617, the drying shell 604 which is vertically arranged is fixedly connected with the right end of the base 1, the fixing rod 610 which is horizontally arranged is fixedly connected with the inner side of the left end of the drying, a heating wire 605 is arranged at the lower side of the fan 606, the heating wire 605 is fixedly connected with the drying shell 604, a connecting seat 614 is fixedly connected with the inner side of the left end of the drying shell 604, a second spring 613 is fixedly connected with the inner side of the left end of the connecting seat 614, a filter screen 609 is arranged at the right end of the second spring 613, the filter screen 609 is slidably connected with the drying shell 604, a clamping seat 607 is fixedly connected with the right end of the drying shell 604, a limiting plate 608 is slidably connected with the inner side of the clamping seat 607, the limiting plate 608 is in contact with the filter screen 609, dust in the inner side of a production workshop can be filtered through the filter screen 609, the dust is prevented from entering the inner side of the drying shell 604, the filter screen 609 can be conveniently replaced through the actions of the clamping seat 607, the limiting plate 608 and the second spring 613, the left end of the drying shell 604 is communicated with the, the inner side of the right end of the treatment box 601 is fixedly connected with a second motor 616, the tail end of a main shaft of the second motor 616 is fixedly connected with a ventilating cylinder 611, air holes are formed in the inner side of the periphery of the ventilating cylinder 611, the inner side of the top end of the drying shell 604 is spirally connected with an end cover 612, a lifting plate 617 is fixedly connected to the inner side of the ventilating cylinder 611, the rapeseeds can be driven to be in a high position through the lifting plate 617, then the rapeseeds are thrown down, and the rapeseeds fall down from the high position, so that the rap.
The model of the control cabinet 2 is SDTH, the model of the first electric telescopic rod 405 is ANT-36, the model of the second electric telescopic rod 10 is NKLB50, the models of the first motor 508 and the second motor 616 are Y1-160M1-8 motors, the models of the first humidity sensor 615 and the second humidity sensor 11 are AM2305, and the model of the fan 606 is a D-type 9-26 fan.
The working process is as follows: before the device is used, firstly, an external power supply supplies power, firstly, a worker adds rapeseeds to the inner side of a feeding hopper 401, meanwhile, a control cabinet 2 controls a first electric telescopic rod 405 to drive a pushing block 404 to slide back and forth along a protective shell 406, the pushing block 404 pushes the rapeseeds while moving, meanwhile, the pushing block 404 drives a rocker 402 to rock back and forth at a discharge port of the feeding hopper 401 through a push rod 403, the phenomenon that the discharge port of the feeding hopper 401 is blocked can be prevented through the rocking of the rocker 402, then the rapeseeds fall onto a screen 501 at the lower side through the discharge port of the feeding hopper 401, meanwhile, the control cabinet 2 controls a first motor 508 to drive a crankshaft 507 to rotate, a connecting rod 506 is driven to reciprocate up and down through the rotation of the crankshaft 507, then the connecting rod 506 drives a connecting block 503 to reciprocate up and down along a limiting shaft 504, then the connecting block 503, meanwhile, the left rotating block 509 and the connecting block 503 rotate relatively, then the left rotating block 509 drives the left transition frame 502 and the screen 501 to rotate relatively with one end of the base 1 through the right rotating block 509, the screening of the vegetable seeds can be accelerated by the back-and-forth shaking of the screen 501, the vegetable seeds can fall to the inner side of the collecting hopper 7 through the screen 501, impurities such as chaff and branches fall to the right second collecting tank 12 along the screen 501 and the right transition frame 502, when the vegetable seeds in the inner side of the collecting hopper 7 do not pass through the first humidity sensor 615, the first humidity sensor 615 can detect the humidity of the vegetable seeds, when the detected humidity does not meet the humidity requirement, the control cabinet 2 controls the first alarm lamp 13 to alarm outwards, then the worker controls the second electric telescopic rod 10 to drive the guide hopper 9 and the baffle plate 8 to move leftwards through the control cabinet 2, so that the outlet of the collecting hopper 7 is communicated with the guide hopper 9, meanwhile, the worker takes the end cover 612 down from the upper surface of the ventilation cylinder 611, the feed inlet of the ventilation cylinder 611 is arranged above, then the rapeseed in the inner side of the collecting hopper 7 falls to the inner side of the ventilation cylinder 611 through the guide hopper 9, after the rapeseed in the inner side of the collecting hopper 7 falls off, the baffle 8 is reset, the worker continues to add the rapeseed to the inner side of the feeding hopper 401, and continues to screen the rapeseed, then the worker resets the end cover 612, then the control cabinet 2 controls the second motor 616 to drive the ventilation cylinder 611 to rotate, the ventilation cylinder 611 lifts the rapeseed to a high position through the lifting plate 617 in the inner side while rotating, so that the rapeseed falls down from the high position, meanwhile, the fan 606 blows hot air to the inner side of the processing box 601 through the heating wire 605, then the hot air quickly dries the rapeseed through the ventilation cylinder 611, meanwhile, the filter screen 609 filters dust in the inner side of the production workshop, and when the humidity of the rapeseed in the inner side of the ventilation cylinder, the second humidity sensor 11 will control the second alarm lamp 14 to alarm the outside through the control cabinet 2, remind the worker to process the rapeseed inside the ventilation cylinder 611 in time, then the second motor 616 drives the end cap 612 to be on the ventilation cylinder 611, and the second motor 616 stops working, then the worker takes off the end cap 612, then rotates the ventilation cylinder 611, so that the outlet of the ventilation cylinder 611 faces downward, then the rapeseed falls to the bottom end of the processing box 601, then the worker takes off the door panel 602 through the handle 603, then the worker takes out the rapeseed, when the screen 501 needs to be replaced, the worker takes out the limit pins 511 at the two ends from the inner side of the transition frame 502, then the transition frame 502 is taken off, so as to realize the detachment of the screen 501, the operation is simple, when a new screen 501 is replaced, the operation can be performed according to the reverse step, when the filter screen 609 needs to be replaced, the worker takes out the limiting plate 608 from the inner side of the clamping seat 607, then the filter screen 609 is ejected out of a part of the drying shell 604 under the action of the second spring 613, and then the worker can take out the filter screen 609 and return the filter screen to the drying shell according to the reverse step.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.