CN114618792B - Fire collar transportation simulation inner core damage check out test set - Google Patents
Fire collar transportation simulation inner core damage check out test set Download PDFInfo
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- CN114618792B CN114618792B CN202210139851.9A CN202210139851A CN114618792B CN 114618792 B CN114618792 B CN 114618792B CN 202210139851 A CN202210139851 A CN 202210139851A CN 114618792 B CN114618792 B CN 114618792B
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- 238000004088 simulation Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000012216 screening Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 43
- 230000007547 defect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
Abstract
The invention relates to the field of fire collar detection, in particular to fire collar transportation simulation inner core damage detection equipment. The technical problems of the invention are as follows: at present, no equipment for detecting damage to the inner core after the simulation fire collar is subjected to transportation shaking exists. The technical scheme of the invention is as follows: the fire collar transportation simulation inner core damage detection device comprises a chassis, a first mounting frame and the like; the middle part of the upper side of the underframe is fixedly connected with a first mounting frame. When the fire collar vibration detection device is used, the fire collars are placed in the packaging paper boxes to vibrate, the shaking collision situation of the fire collars in the transportation process is simulated, the fire collars are automatically conveyed into the screening assembly one by one to be screened, the fire collars with incomplete and broken inner cores are collected independently, and the inner cores of other fire collars are subjected to fracture detection one by one, so that the damage situation of the inner cores after the fire collars are transported can be judged conveniently.
Description
Technical Field
The invention relates to the field of fire collar detection, in particular to fire collar transportation simulation inner core damage detection equipment.
Background
The fire collar is made of metal materials, is internally filled with flame-retardant expansion core materials, is sleeved on the outer wall of a rigid polyvinyl chloride pipeline, is fixed on a floor slab or a wall body, and is heated to expand rapidly when a fire disaster occurs, the UPVC pipeline is extruded, a pipeline through hole is plugged in a short time, and the fire is prevented from spreading along the hole.
In the prior art, after the production of the fire collar is completed, the fire collar is stacked in the carton for transportation, and the fire collar is mutually collided due to shaking in the transportation process, so that the fire collar inner core can be shaken, damage is caused to the inner core, even the inner core is seriously broken and incomplete, the fire prevention effect of the fire collar is affected, potential safety hazards exist, and then simulation detection is needed, the damage condition of the inner core after the fire collar is transported is judged, and equipment for carrying out damage detection on the inner core after the shaking of the fire collar is not simulated at present.
In combination with the above problems, there is an urgent need for a fire collar transportation simulation inner core breakage detection apparatus to solve the above problems.
Disclosure of Invention
In order to overcome the defect that no equipment for detecting damage to the inner core after the simulation of fire collar transportation shake exists at present, the invention provides equipment for detecting damage to the inner core during fire collar transportation simulation.
The technical proposal is as follows: the utility model provides a fire collar transportation simulation inner core damage check out test set, includes chassis, first support frame, first mounting bracket, second support frame, collection dish, vibration simulation subassembly, clamping assembly, conveying assembly, screening subassembly and detection component; the middle part of the upper side of the underframe is fixedly connected with a first mounting frame; the left part of the upper side of the underframe is fixedly connected with a first supporting frame; the first support frame is fixedly connected with the first mounting frame; the right part of the upper side of the underframe is fixedly connected with a second supporting frame; a collecting tray is fixedly connected to the upper side of the second supporting frame; the upper side of the first support frame is provided with a vibration simulation assembly for simulating shaking in the transportation process of the fireproof ring; the left part and the right part of the vibration simulation assembly are respectively provided with a clamping assembly for clamping the paper box; a conveying assembly for conveying the fireproof rings at intervals is arranged on the upper side of the first mounting frame; a screening component for screening incomplete products of the fireproof ring by utilizing gravity is arranged at the right part of the upper side of the underframe; the screening component is connected with the conveying component; and a detection component for detecting cracks of the inner core of the fireproof ring is arranged at the right part of the upper side of the underframe.
Further, the vibration simulation assembly comprises a first fixed plate, a first fixed rod, a first reset spring, a fixed frame, a first sliding rod, a second reset spring, an electric rotating plate, a second mounting frame, a vibration motor and a first baffle; the left part and the right part of the upper side of the first support frame are fixedly connected with a first fixing plate respectively; the front part of the upper side and the rear part of the upper side of the two first fixing plates are fixedly connected with a first fixing rod respectively; the four first fixing rods are sleeved with a first reset spring; the four first fixing rods are connected with a fixing frame in a sliding manner; the four first reset springs are fixedly connected with the fixed frame; the front side and the rear side of the upper part of the fixed frame are fixedly connected with a first sliding rod respectively; the left part and the right part of the two first sliding rods are fixedly connected with a second reset spring; the left parts of the two first slide bars are connected with a first baffle in a sliding way; the right parts of the two first slide bars are connected with another first baffle in a sliding way; the two second return springs at the left are fixedly connected with the first baffle at the left; the two second return springs on the right are fixedly connected with the first baffle on the right; the two first baffles are respectively connected with one clamping assembly; the front side of the lower part of the fixed frame and the rear side of the lower part of the fixed frame are fixedly connected with a second mounting frame respectively; two second mounting frames are respectively provided with a vibration motor; an electric rotating plate is arranged at the bottom of the fixed frame.
Further, the left clamping assembly comprises a second fixing plate, a second sliding rod, a third reset spring, a clamping plate, a pull rod and a limiting sleeve; the middle part of the upper side of the left first baffle is fixedly connected with a second fixing plate; the lower part of the second fixed plate is connected with two second sliding rods which are symmetrical in front-back direction in a sliding way; a third reset spring is sleeved on each of the two second sliding rods; the right sides of the two second sliding rods are fixedly connected with clamping plates; the upper part of the left side of the clamping plate is rotationally connected with a pull rod; the right part of the pull rod is fixedly connected with a limit sleeve.
Further, a through groove matched with the shape of the limit sleeve is formed in the upper portion of the second fixing plate, and the limit sleeve can conveniently penetrate through the through groove.
Further, the conveying assembly comprises a third fixed plate, a first conveyor, a limiting plate, a second baffle, a motor roller, a torsion spring shaft and a first L-shaped plate; a third fixing plate is fixedly connected to the front part and the rear part of the upper side of the first mounting frame respectively; a first conveyor is arranged between the two third fixing plates through a connecting block; the upper parts of the two third fixing plates are fixedly connected with a limiting plate through connecting blocks; both limiting plates are positioned above the first conveyor; a second baffle is fixedly connected between the two limiting plates; three equidistant electric rollers are arranged at the right parts of the opposite sides of the two third fixing plates; the right parts of the two limiting plates are respectively connected with a torsion spring shaft in a rotating way; the middle parts of the two torsion spring shafts are fixedly connected with a first L-shaped plate respectively; both limiting plates are connected with the screening assembly.
Further, the right part of the limiting plate is provided with a through rectangular groove which is convenient for the rotation of the first L-shaped plate.
Further, the screening component comprises a first U-shaped frame, a carrying basket, a buffer cushion, a guide wheel, a fourth fixed plate, a second fixed rod, a fourth reset spring, a first fixed block, a third baffle, a pull rope, a first movable frame, a second fixed block, an elastic telescopic rod, a third fixed block and a second movable frame; the right part of the front side of the front limiting plate is rotationally connected with a guide wheel through a rotating shaft; the right part of the rear side of the rear limiting plate is rotationally connected with another guide wheel through a rotating shaft; the right part of the upper side of the underframe is fixedly connected with a first U-shaped frame; the upper part of the first U-shaped frame is rotationally connected with a carrying basket through a rotating shaft; the inner bottom surface of the carrying basket is fixedly connected with a buffer cushion; a fourth fixed plate is fixedly connected to the right part of the front side of the front limiting plate; the right part of the rear side of the rear limiting plate is fixedly connected with another fourth fixing plate; the fourth fixed plate is positioned above the guide wheel; a fourth reset spring is fixedly connected to the upper sides of the two fourth fixing plates respectively; the upper sides of the two fourth reset springs are fixedly connected with a first fixed block respectively; the lower sides of the two first fixing blocks are fixedly connected with a second fixing rod respectively; the two second fixing rods are respectively connected with a fourth fixing plate in a sliding way; a third baffle is fixedly connected between the two first fixing blocks; the lower sides of the two second fixing rods are fixedly connected with a pull rope respectively; the two stay ropes bypass the outer ring surface of one guide wheel respectively, and the tail ends of the two stay ropes are fixedly connected with the left part of the carrying basket through connecting blocks; the middle part of the right side of the first U-shaped frame is fixedly connected with a first movable frame; the first movable frame is rotationally connected with a second fixed block; an elastic telescopic rod is fixedly connected to the upper side of the second fixed block; the right part of the lower side of the carrying basket is fixedly connected with a second movable frame; a third fixed block is rotationally connected with the second movable frame; the third fixed block is fixedly connected with the telescopic end of the elastic telescopic rod.
Further, the detection assembly comprises a third mounting frame, a guide plate, a fourth mounting frame, a first cylinder, an arc-shaped plate, a second conveyor, a fourth fixing block, a first fixing frame, a second cylinder, a third sliding rod, a connecting frame, a second fixing frame, a second L-shaped plate, a fixing ring, an electric rotating shaft, a first elastic expansion plate, a transmission plate, a third fixing rod, a fixing sleeve, a second elastic expansion plate, a second U-shaped frame, a fourth fixing rod and a crack sensor; a third mounting frame is fixedly connected to the right part of the upper side of the underframe; the third mounting frame is positioned below the collecting tray; the left part of the upper side of the third mounting frame is fixedly connected with a guide plate; the middle part of the front side and the middle part of the rear side of the third installation frame are fixedly connected with a fourth installation frame respectively; the upper sides of the two fourth mounting frames are fixedly connected with a first cylinder respectively; the telescopic ends of the two first cylinders are fixedly connected with an arc-shaped plate respectively; the third mounting frame is internally provided with a second conveyor; a fourth fixed block is fixedly connected to the front part and the rear part of the upper side of the third mounting frame respectively; the two fourth fixing blocks are fixedly connected with a first fixing frame; the middle part of the first fixing frame is fixedly connected with a second cylinder; the telescopic end of the second cylinder is fixedly connected with a second fixing frame; the front part and the rear part of the lower side of the second fixing frame are fixedly connected with a second L-shaped plate respectively; the right parts of the upper sides of the two fourth fixed blocks are fixedly connected with a third sliding rod respectively; the two third sliding rods are fixedly connected with the first fixing frame through connecting blocks; the two third sliding rods are connected with a connecting frame in a sliding way; the connecting frame is contacted with the two second L-shaped plates; an electric rotating shaft is arranged in the middle of the lower side of the second fixing frame; the middle part of the lower side of the connecting frame is rotationally connected with a fixed ring; the electric rotating shaft rotating part is fixedly connected with a second U-shaped frame; the front part of the upper side and the rear part of the upper side of the second U-shaped frame are fixedly connected with a first elastic expansion plate respectively; the telescopic ends of the two first elastic telescopic plates are fixedly connected with the fixed ring through connecting blocks; the front part and the rear part of the lower side of the fixed ring are rotationally connected with a transmission plate through a bracket and a rotating shaft; a third fixing rod is fixedly connected to the middle part of the lower side of the second U-shaped frame; the lower part of the third fixed rod is fixedly connected with a fixed sleeve; the front side and the rear side of the fixed sleeve are fixedly connected with a second elastic expansion plate respectively; the two second elastic expansion plate expansion parts are respectively connected with one transmission plate in a transmission way through a bracket and a rotating shaft; the telescopic ends of the two second elastic telescopic plates are fixedly connected with a second U-shaped frame respectively; a fourth fixed rod is fixedly connected in each of the two second U-shaped frames; the upper part and the lower part of each fourth fixed rod are connected with a crack sensor through torsion springs.
Further, the front part and the rear part of the second U-shaped frame are provided with through rectangular grooves which are convenient for the movement of the transmission plate.
Further, the device also comprises a collecting box; the middle part of the upper side of the underframe is provided with a collecting box; the collecting box is positioned below the conveying assembly.
Compared with the prior art, the invention has the following advantages:
When the fire collar vibration detection device is used, the fire collars are placed in the packaging paper boxes to vibrate, the shaking collision situation of the fire collars in the transportation process is simulated, the fire collars are automatically conveyed into the screening assembly one by one to be screened, the fire collars with incomplete and broken inner cores are collected independently, and the inner cores of other fire collars are subjected to fracture detection one by one, so that the damage situation of the inner cores after the fire collars are transported can be judged conveniently.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of a fire collar transport simulation core breakage detection apparatus of the present invention;
Fig. 2 is a schematic diagram of a second perspective structure of the fire collar transport simulation core breakage detection apparatus of the present invention;
FIG. 3 is a schematic view of a first partial perspective view of a fire collar transport simulation core breakage detection apparatus of the present invention;
fig. 4 is a schematic view of a second partial perspective view of the fire collar transport simulation core breakage detection apparatus of the present invention;
Fig. 5 is a schematic view of a partial perspective structure of a clamping assembly of the fire collar transport simulation inner core breakage detection apparatus of the present invention;
fig. 6 is a schematic view of a third partial perspective view of the fire collar transport simulation core breakage detection apparatus of the present invention;
fig. 7 is a schematic view of a fourth partial perspective view of the fire collar transport simulation core breakage detection apparatus of the present invention;
fig. 8 is a schematic view of a partial perspective view of a screening assembly of the fire collar transport simulation core breakage detection apparatus of the present invention;
fig. 9 is a schematic perspective view of a detecting assembly of the fire collar transportation simulation inner core breakage detecting apparatus of the present invention;
fig. 10 is a schematic partial perspective view of a detection assembly of the fire collar transportation simulation inner core breakage detection device of the present invention.
Reference numerals illustrate: 1-chassis, 2-first support frame, 3-first mounting frame, 4-collecting box, 5-second support frame, 6-collecting tray, 101-first fixing plate, 102-first fixing rod, 103-first return spring, 104-fixing frame, 105-first slide bar, 106-second return spring, 107-electric rotating plate, 108-second mounting frame, 109-vibrating motor, 110-first baffle, 201-second fixing plate, 202-second slide bar, 203-third return spring, 204-clamping plate, 205-pull rod, 206-limiting sleeve, 301-third fixing plate, 302-first conveyor, 303-limiting plate, 304-second baffle, 305-electric roller, 306-torsion spring shaft, 307-first L-shaped plate, 401-first U-shaped frame, 402-carrying basket, 403-buffer pad, 404-guide wheel, 405-fourth fixed plate, 406-second fixed rod, 407-fourth return spring, 408-first fixed block, 409-third baffle, 410-stay cord, 411-first movable frame, 412-second fixed block, 413-elastic telescopic rod, 414-third fixed block, 415-second movable frame, 501-third mounting frame, 502-guide plate, 503-fourth mounting frame, 504-first cylinder, 505-arc plate, 506-second conveyor, 507-fourth fixed block, 508-first fixing frame, 509-second cylinder, 510-third slide bar, 511-connecting frame, 512-second fixing frame, 513-second L-shaped plates, 514-fixing rings, 515-electric rotating shafts, 516-first elastic telescopic plates, 517-transmission plates, 518-third fixing rods, 519-fixing sleeves, 520-second elastic telescopic plates, 521-second U-shaped frames, 522-fourth fixing rods and 523-crack sensors.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Examples
1-10, The fire collar transportation simulation inner core breakage detection device comprises a bottom frame 1, a first supporting frame 2, a first mounting frame 3, a second supporting frame 5, a collecting disc 6, a vibration simulation assembly, a clamping assembly, a conveying assembly, a screening assembly and a detection assembly; the middle part of the upper side of the underframe 1 is fixedly connected with a first mounting frame 3; the left part of the upper side of the underframe 1 is fixedly connected with a first supporting frame 2; the first support frame 2 is fixedly connected with the first mounting frame 3; the right part of the upper side of the underframe 1 is fixedly connected with a second supporting frame 5; a collecting tray 6 is fixedly connected to the upper side of the second supporting frame 5; a vibration simulation assembly is arranged on the upper side of the first support frame 2; the left part and the right part of the vibration simulation assembly are respectively provided with a clamping assembly; a conveying assembly is arranged on the upper side of the first mounting frame 3; the screening component is arranged at the right part of the upper side of the underframe 1; the screening component is connected with the conveying component; the right part of the upper side of the underframe 1 is provided with a detection component.
The vibration simulation assembly comprises a first fixing plate 101, a first fixing rod 102, a first reset spring 103, a fixing frame 104, a first sliding rod 105, a second reset spring 106, an electric rotating plate 107, a second mounting frame 108, a vibration motor 109 and a first baffle 110; the left part and the right part of the upper side of the first support frame 2 are fixedly connected with a first fixing plate 101 respectively; the front part of the upper side and the rear part of the upper side of the two first fixing plates 101 are fixedly connected with a first fixing rod 102 respectively; the four first fixing rods 102 are sleeved with a first reset spring 103; the four first fixing rods 102 are connected with a fixing frame 104 in a sliding manner; the four first return springs 103 are fixedly connected with the fixed frame 104; the front side and the rear side of the upper part of the fixed frame 104 are fixedly connected with a first slide bar 105 respectively; the left part and the right part of the two first slide bars 105 are fixedly connected with a second reset spring 106; the left parts of the two first slide bars 105 are connected with a first baffle 110 in a sliding way; the right parts of the two first slide bars 105 are connected with another first baffle 110 in a sliding way; the two second return springs 106 on the left are fixedly connected with the first baffle 110 on the left; the two second return springs 106 on the right are fixedly connected with the first baffle 110 on the right; two first baffles 110 are each connected to one clamping assembly; a second mounting frame 108 is fixedly connected to the front side of the lower part and the rear side of the lower part of the fixed frame 104 respectively; two second mounting frames 108 are respectively provided with a vibration motor 109; an electric rotating plate 107 is arranged at the bottom of the fixed frame 104.
The left clamping assembly comprises a second fixing plate 201, a second sliding rod 202, a third reset spring 203, a clamping plate 204, a pull rod 205 and a limiting sleeve 206; the middle part of the upper side of the left first baffle 110 is fixedly connected with a second fixing plate 201; the lower part of the second fixing plate 201 is connected with two second sliding rods 202 which are symmetrical in front and back in a sliding way; a third reset spring 203 is sleeved on each of the two second slide bars 202; the clamping plates 204 are fixedly connected to the right sides of the two second sliding rods 202; the upper part of the left side of the clamping plate 204 is rotatably connected with a pull rod 205; a limit sleeve 206 is fixedly connected to the right part of the pull rod 205.
The upper part of the second fixing plate 201 is provided with a through groove matched with the shape of the limit sleeve 206, so that the limit sleeve 206 can conveniently pass through.
The conveying assembly comprises a third fixing plate 301, a first conveyor 302, a limiting plate 303, a second baffle 304, an electric roller 305, a torsion spring shaft 306 and a first L-shaped plate 307; a third fixing plate 301 is fixedly connected to the front part and the rear part of the upper side of the first mounting frame 3 respectively; a first conveyor 302 is installed between the two third fixing plates 301 through a connecting block; the upper parts of the two third fixing plates 301 are fixedly connected with a limiting plate 303 through connecting blocks; both limiting plates 303 are located above the first conveyor 302; a second baffle 304 is fixedly connected between the two limiting plates 303; three equidistant electric rollers 305 are arranged on the right parts of the opposite sides of the two third fixing plates 301; the right parts of the two limiting plates 303 are respectively connected with a torsion spring shaft 306 in a rotating way; a first L-shaped plate 307 is fixedly connected to the middle parts of the two torsion spring shafts 306 respectively; both limiting plates 303 are connected to the screening assembly.
The right part of the limiting plate 303 is provided with a through rectangular groove which is convenient for the first L-shaped plate 307 to rotate.
The screening assembly comprises a first U-shaped frame 401, a carrying basket 402, a cushion pad 403, a guide wheel 404, a fourth fixed plate 405, a second fixed rod 406, a fourth reset spring 407, a first fixed block 408, a third baffle 409, a pull rope 410, a first movable frame 411, a second fixed block 412, an elastic telescopic rod 413, a third fixed block 414 and a second movable frame 415; the right part of the front side of the front limiting plate 303 is rotationally connected with a guide wheel 404 through a rotating shaft; the right part of the rear side of the rear limiting plate 303 is rotationally connected with another guide wheel 404 through a rotating shaft; the right part of the upper side of the underframe 1 is fixedly connected with a first U-shaped frame 401; the upper part of the first U-shaped frame 401 is rotatably connected with a carrying basket 402 through a rotating shaft; the inner bottom surface of the carrying basket 402 is fixedly connected with a buffer cushion 403; a fourth fixing plate 405 is fixedly connected to the right part of the front side of the front limiting plate 303; the right part of the rear side of the rear limiting plate 303 is fixedly connected with another fourth fixing plate 405; the fourth fixing plate 405 is located above the guide wheel 404; a fourth return spring 407 is fixedly connected to the upper sides of the two fourth fixing plates 405 respectively; a first fixed block 408 is fixedly connected to the upper sides of the two fourth return springs 407 respectively; a second fixing rod 406 is fixedly connected to the lower sides of the two first fixing blocks 408 respectively; two second fixing bars 406 are slidably connected to a fourth fixing plate 405, respectively; a third baffle 409 is fixedly connected between the two first fixing blocks 408; a pull rope 410 is fixedly connected to the lower sides of the two second fixing rods 406 respectively; the two stay ropes 410 bypass the outer ring surface of one guide wheel 404 respectively, and the tail ends of the two stay ropes 410 are fixedly connected with the left part of the carrying basket 402 through connecting blocks; a first movable frame 411 is fixedly connected to the middle part of the right side of the first U-shaped frame 401; a second fixed block 412 is rotatably connected to the first movable frame 411; an elastic telescopic rod 413 is fixedly connected to the upper side of the second fixed block 412; a second movable frame 415 is fixedly connected to the right part of the lower side of the carrying basket 402; a third fixed block 414 is rotatably connected to the second movable frame 415; the third fixing block 414 is fixedly connected with the telescopic end of the elastic telescopic rod 413.
The detection assembly comprises a third installation frame 501, a guide plate 502, a fourth installation frame 503, a first cylinder 504, an arc plate 505, a second conveyor 506, a fourth fixing block 507, a first fixing frame 508, a second cylinder 509, a third sliding rod 510, a connecting frame 511, a second fixing frame 512, a second L-shaped plate 513, a fixing ring 514, an electric rotating shaft 515, a first elastic expansion plate 516, a transmission plate 517, a third fixing rod 518, a fixing sleeve 519, a second elastic expansion plate 520, a second U-shaped frame 521, a fourth fixing rod 522 and a crack sensor 523; a third mounting frame 501 is fixedly connected to the right part of the upper side of the underframe 1; the third mounting 501 is located below the collecting tray 6; a deflector 502 is fixedly connected to the left part of the upper side of the third mounting frame 501; a fourth mounting frame 503 is fixedly connected to the middle part of the front side and the middle part of the rear side of the third mounting frame 501 respectively; a first cylinder 504 is fixedly connected to the upper sides of the two fourth mounting frames 503 respectively; the telescopic ends of the two first cylinders 504 are fixedly connected with an arc plate 505 respectively; the third mounting frame 501 has a second conveyor 506 mounted therein; a fourth fixing block 507 is fixedly connected to the front part and the rear part of the upper side of the third mounting frame 501 respectively; the two fourth fixing blocks 507 are fixedly connected with a first fixing frame 508; a second cylinder 509 is fixedly connected to the middle part of the first fixing frame 508; a second fixing frame 512 is fixedly connected with the telescopic end of the second cylinder 509; a second L-shaped plate 513 is fixedly connected to the front part and the rear part of the lower side of the second fixing frame 512 respectively; a third sliding rod 510 is fixedly connected to the right part of the upper side of each of the two fourth fixing blocks 507; the two third sliding rods 510 are fixedly connected with the first fixing frame 508 through connecting blocks; the two third slide bars 510 are connected with a connecting frame 511 in a sliding way; the connection frame 511 is in contact with the two second L-shaped plates 513; the middle part of the lower side of the second fixing frame 512 is provided with an electric rotating shaft 515; the middle part of the lower side of the connecting frame 511 is rotatably connected with a fixed ring 514; a second U-shaped frame 521 is fixedly connected with the rotating part of the electric rotating shaft 515; the upper front part and the upper rear part of the second U-shaped frame 521 are fixedly connected with a first elastic expansion plate 516 respectively; the telescopic ends of the two first elastic telescopic plates 516 are fixedly connected with the fixed ring 514 through connecting blocks; the front part of the lower side and the rear part of the lower side of the fixed ring 514 are rotatably connected with a transmission plate 517 through a bracket and a rotating shaft; a third fixing rod 518 is fixedly connected to the middle part of the lower side of the second U-shaped frame 521; a fixing sleeve 519 is fixedly connected with the lower part of the third fixing rod 518; the front side and the rear side of the fixing sleeve 519 are fixedly connected with a second elastic expansion plate 520 respectively; the telescopic parts of the two second elastic telescopic plates 520 are respectively connected with one transmission plate 517 in a transmission way through a bracket and a rotating shaft; the telescopic ends of the two second elastic telescopic plates 520 are fixedly connected with a second U-shaped frame 521 respectively; a fourth fixing rod 522 is fixedly connected in each of the two second U-shaped frames 521; a crack sensor 523 is connected to the upper and lower portions of each of the fourth fixing bars 522 through torsion springs.
The second U-shaped frame 521 is provided with a through rectangular groove at the front and rear thereof for facilitating the movement of the driving plate 517.
The device also comprises a collecting box 4; the middle part of the upper side of the underframe 1 is provided with a collecting box 4; the collection bin 4 is located below the transport assembly.
When the carton packing fireproof ring is in operation, the carton packing fireproof ring is placed on the electric rotating plate 107, the bottom surface of the carton is removed in advance, the upper part of the left side of the carton is positioned between the first baffle 110 on the left side and the clamping plate 204 on the left side, the upper part of the right side of the carton is positioned between the first baffle 110 on the right side and the clamping plate 204 on the right side, then the pull rod 205 is pulled manually, the limit sleeve 206 penetrates through the second fixing plate 201, the clamping plate 204 is further close to the first baffle 110, the second slide rod 202 slides in the second fixing plate 201, the third return spring 203 is compressed, the clamping plate 204 is matched with the first baffle 110 to clamp the carton, then the pull rod 205 is rotated by ninety degrees manually, the pull rod 205 drives the limit sleeve 206 to rotate by ninety degrees, the limit sleeve 206 penetrates through the second fixing plate 201 after the pull rod 205 is prevented from being loosened, and then the clamping and fixing of the carton is completed;
Then according to the state of the fire collar during transportation, the fire collar is put into the paper box, then two vibrating motors 109 are started, the vibrating motors 109 drive the fixed frame 104 to vibrate, the fixed frame 104 is lifted up and down in a reciprocating manner on the first fixed rod 102, the first return spring 103 is made to stretch back and forth, meanwhile, the first baffle 110 is made to slide back and forth on the first sliding rod 105, the second return spring 106 is made to stretch back and forth, the paper box on the electric rotating plate 107 and the fire collar therein are vibrated, meanwhile, the fire collars collide with each other, vibration and collision during the fire collar transportation are simulated, then the two vibrating motors 109 are closed, the electric rotating plate 107 is controlled to overturn, the right part of the electric rotating plate 107 is made to contact with the upper surface of the first conveyor 302, the fire collar in the paper box is made to slide onto the first conveyor 302 through the electric rotating plate 107, then the first conveyor 302 is started to convey the fire collar to the right side, the two limiting plates 303 limit the fire collar, when the stacked fire collar passes through the second baffle 304, the upper layer is blocked by the second baffle 304, the fire collar is enabled to pass through the second baffle 304 singly, after being conveyed to the right parts of the opposite sides of the two limiting plates 303, the fire collar is conveyed to the right side continuously by starting the electric roller 305, if the fire collar is damaged due to vibration and collision in the simulated transportation process, the damaged residual blocks fall down through the interval between the electric rollers 305 and are collected in the collecting box 4, meanwhile, the fire collar extrudes the two first L-shaped plates 307, the first L-shaped plates 307 rotate by taking the torsion spring shafts 306 as shafts, the left parts of the first L-shaped plates 307 are inserted between the two fire collars, the two fire collars are separated, then the rightmost fire collar is conveyed to the right side continuously, after the rightmost fire collar passes through the first L-shaped plates 307 completely, the torsion spring shaft 306 releases elastic force to drive the first L-shaped plate 307 to reversely rotate and reset, so that the latter fire collar can continue to be conveyed towards the right direction, the fire collar falls onto the cushion pad 403 after passing through the lower side of the third baffle 409, so that the carrying basket 402 rotates around the joint of the fire collar and the first U-shaped frame 401 as an axis, the pull rope 410 pulls the second fixing rod 406 to slide downwards in the fourth fixing plate 405, the guide wheel 404 rotates around the joint of the guide wheel 404 and the limiting plate 303 as an axis, the fourth reset spring 407 is compressed, the two first fixing blocks 408 drive the third baffle 409 to move downwards, the third baffle 409 blocks the latter fire collar, when the carrying basket 402 rotates, the third fixing block 414 rotates around the joint of the third fixing block 414 and the second movable frame 415 as an axis, the second fixing block 412 rotates around the joint of the second fixing block 412 and the first movable frame 411 as an axis, simultaneously, the elastic telescopic rod 413 is compressed, if the inner core of the fire collar has defects, the right part of the inner core of the fire collar is positioned above the left part of the collecting tray 6 after the inner core of the fire collar rotates, so that the fire collar on the cushion pad 403 slides into the collecting tray 6 to collect, if the inner core of the fire collar has cracks but is not defects or is not damaged, the gravity is larger than the fire collar with defects, the right part of the inner core of the fire collar is positioned above the left part of the guide plate 502 after the inner core of the fire collar rotates, so that the fire collar slides onto the guide plate 502, thereby falling onto the second conveyor 506, then the second conveyor 506 is controlled to operate to convey the fire collar to the right side, after the fire collar is conveyed to the right lower part of the second fixing frame 512, the second conveyor 506 stops operating, after the fire collar on the cushion pad 403 slides, the elastic telescopic rod 413 releases the elastic force, and the fourth reset spring 407 releases the elastic force to reversely rotate and reset the inner core of the fire collar 402, the second fixing rod 406 slides upwards in the fourth fixing plate 405 to reset, so that the third baffle 409 is lifted to reset, and the later fire collar passes through;
After the fire collar is conveyed to the position right below the second fixing frame 512, the two first air cylinders 504 are controlled to extend simultaneously, so that the two arc plates 505 are mutually close to clamp and align the fire collar, then the second air cylinders 509 are controlled to extend to push the second fixing frame 512 to move downwards, so that the connecting frame 511 moves downwards along with the second fixing frame 512, meanwhile, the second fixing frame 512 slides downwards on the third sliding rod 510, then the connecting frame 511 is blocked by the fourth fixing block 507 and cannot continuously descend, then the second air cylinders 509 continue to extend, so that the second fixing frame 512 drives the electric rotating shaft 515 and the second U-shaped frame 521 to move downwards, the third fixing rod 518 drives the fixing sleeve 519 and the second elastic expansion plate 520 to move downwards, so that the crack sensor 523 is positioned in the inner core of the fire collar, meanwhile, the transmission plate 517 cannot continuously move downwards because the connecting frame 511 is blocked, when the second elastic expansion plate 520 moves downwards, the transmission plate 517 rotates around the connecting part with the second elastic expansion plate 520 as an axis, and simultaneously the transmission plate 517 rotates around the connecting part with the fixed ring 514 as an axis, so that the second elastic expansion plate 520 moves downwards and is stretched, further the crack sensor 523 contacts with the inner ring surface of the inner core of the fire collar, then the electric rotating shaft 515 is controlled to rotate, the second U-shaped frame 521 drives the third fixed rod 518 to rotate, the third fixed rod 518 drives the fixed sleeve 519 and the second elastic expansion plate 520 to rotate, the transmission plate 517 drives the fixed ring 514 to rotate in the connecting frame 511, the second elastic expansion plate 520 drives the second U-shaped frame 521 to do circular motion, the fourth fixed rod 522 drives the crack sensor 523 to attach to the inner ring surface of the inner core to do circular motion, when the crack sensor 523 touches the crack of the inner ring surface of the inner core, the crack sensor 523 is triggered, and then detect the crack of the interior anchor ring of inner core, because the inner core originally is two semicircle arc combinations and forms, and then the interior anchor ring of inner core is from taking two vertical and mutual symmetry's seam, thereby when crack sensor 523 moved to seam crossing, four crack sensors 523 can be triggered simultaneously, in addition, other circumstances that trigger crack sensor 523 then indicate that the inner core has vibration collision to lead to the crack that produces, and then accomplish the detection to the inner core fracture condition, two first cylinders 504 shrink reset after the detection is accomplished, then second cylinder 509 shrink reset, then start second conveyer 506 and carry the fire collar behind the detection to the right side direction, so as to collect.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a fire collar transportation simulation inner core damage check out test set, includes chassis (1), first support frame (2), first mounting bracket (3), second support frame (5) and collection dish (6); the middle part of the upper side of the underframe (1) is fixedly connected with a first mounting frame (3); the left part of the upper side of the underframe (1) is fixedly connected with a first supporting frame (2); the first supporting frame (2) is fixedly connected with the first mounting frame (3); the right part of the upper side of the underframe (1) is fixedly connected with a second supporting frame (5); a collecting tray (6) is fixedly connected to the upper side of the second supporting frame (5); the method is characterized in that: the device also comprises a vibration simulation assembly, a clamping assembly, a conveying assembly, a screening assembly and a detection assembly; the upper side of the first support frame (2) is provided with a vibration simulation assembly for simulating shaking in the transportation process of the fireproof ring; the left part and the right part of the vibration simulation assembly are respectively provided with a clamping assembly for clamping the paper box; a conveying assembly for conveying the fireproof rings at intervals is arranged on the upper side of the first mounting frame (3); the right part of the upper side of the underframe (1) is provided with a screening component for screening incomplete products of the fireproof ring by utilizing gravity; the screening component is connected with the conveying component; the right part of the upper side of the underframe (1) is provided with a detection component for detecting cracks of the inner core of the fireproof ring;
The conveying assembly comprises a third fixing plate (301), a first conveyor (302), a limiting plate (303), a second baffle (304), an electric roller (305), a torsion spring shaft (306) and a first L-shaped plate (307); a third fixing plate (301) is fixedly connected to the front part and the rear part of the upper side of the first mounting frame (3); a first conveyor (302) is arranged between the two third fixing plates (301) through a connecting block; the upper parts of the two third fixing plates (301) are fixedly connected with a limiting plate (303) through connecting blocks; both limiting plates (303) are positioned above the first conveyor (302); a second baffle (304) is fixedly connected between the two limiting plates (303); three equidistant electric rollers (305) are arranged at the right parts of the opposite sides of the two third fixing plates (301); the right parts of the two limiting plates (303) are respectively connected with a torsion spring shaft (306) in a rotating way; the middle parts of the two torsion spring shafts (306) are fixedly connected with a first L-shaped plate (307) respectively; both limiting plates (303) are connected with the screening assembly;
The screening assembly comprises a first U-shaped frame (401), a carrying basket (402), a buffer cushion (403), guide wheels (404), a fourth fixed plate (405), a second fixed rod (406), a fourth return spring (407), a first fixed block (408), a third baffle (409), a pull rope (410), a first movable frame (411), a second fixed block (412), an elastic telescopic rod (413), a third fixed block (414) and a second movable frame (415); the right part of the front side of the front limiting plate (303) is rotationally connected with a guide wheel (404) through a rotating shaft; the right part of the rear side of the rear limiting plate (303) is rotationally connected with another guide wheel (404) through a rotating shaft; the right part of the upper side of the underframe (1) is fixedly connected with a first U-shaped frame (401); the upper part of the first U-shaped frame (401) is rotatably connected with a carrying basket (402) through a rotating shaft; the inner bottom surface of the carrying basket (402) is fixedly connected with a buffer cushion (403); a fourth fixed plate (405) is fixedly connected to the right part of the front side of the front limiting plate (303); the right part of the rear side of the rear limiting plate (303) is fixedly connected with another fourth fixing plate (405); the fourth fixed plate (405) is positioned above the guide wheel (404); a fourth reset spring (407) is fixedly connected to the upper sides of the two fourth fixing plates (405) respectively; the upper sides of the two fourth return springs (407) are fixedly connected with a first fixed block (408) respectively; a second fixing rod (406) is fixedly connected to the lower sides of the two first fixing blocks (408) respectively; two second fixing rods (406) are respectively connected with a fourth fixing plate (405) in a sliding way; a third baffle (409) is fixedly connected between the two first fixing blocks (408); the lower sides of the two second fixing rods (406) are fixedly connected with a pull rope (410) respectively; the two pull ropes (410) bypass the outer ring surface of one guide wheel (404) respectively, and the tail ends of the two pull ropes (410) are fixedly connected with the left part of the carrying basket (402) through connecting blocks; the middle part of the right side of the first U-shaped frame (401) is fixedly connected with a first movable frame (411); the first movable frame (411) is rotatably connected with a second fixed block (412); an elastic telescopic rod (413) is fixedly connected to the upper side of the second fixed block (412); a second movable frame (415) is fixedly connected to the right part of the lower side of the carrying basket (402); a third fixed block (414) is rotatably connected to the second movable frame (415); the third fixed block (414) is fixedly connected with the telescopic end of the elastic telescopic rod (413);
The detection assembly comprises a third mounting frame (501), a guide plate (502), a fourth mounting frame (503), a first air cylinder (504), an arc plate (505), a second conveyor (506), a fourth fixed block (507), a first fixing frame (508), a second air cylinder (509), a third sliding rod (510), a connecting frame (511), a second fixing frame (512), a second L-shaped plate (513), a fixed ring (514), an electric rotating shaft (515), a first elastic expansion plate (516), a transmission plate (517), a third fixed rod (518), a fixed sleeve (519), a second elastic expansion plate (520), a second U-shaped frame (521), a fourth fixed rod (522) and a crack sensor (523); a third mounting frame (501) is fixedly connected to the right part of the upper side of the underframe (1); the third mounting frame (501) is positioned below the collecting tray (6); a guide plate (502) is fixedly connected to the left part of the upper side of the third mounting frame (501); a fourth mounting frame (503) is fixedly connected to the middle part of the front side and the middle part of the rear side of the third mounting frame (501); a first cylinder (504) is fixedly connected to the upper sides of the two fourth mounting frames (503) respectively; the telescopic ends of the two first cylinders (504) are fixedly connected with an arc plate (505) respectively; a second conveyor (506) is arranged in the third mounting frame (501); a fourth fixed block (507) is fixedly connected to the front part and the rear part of the upper side of the third mounting frame (501); the two fourth fixed blocks (507) are fixedly connected with a first fixed frame (508); a second cylinder (509) is fixedly connected to the middle part of the first fixing frame (508); a second fixing frame (512) is fixedly connected with the telescopic end of the second air cylinder (509); a second L-shaped plate (513) is fixedly connected to the front part and the rear part of the lower side of the second fixing frame (512); a third sliding rod (510) is fixedly connected to the right part of the upper side of each of the two fourth fixing blocks (507); the two third sliding rods (510) are fixedly connected with the first fixing frame (508) through connecting blocks; the two third sliding rods (510) are connected with a connecting frame (511) in a sliding way; the connecting frame (511) is contacted with the two second L-shaped plates (513); an electric rotating shaft (515) is arranged in the middle of the lower side of the second fixing frame (512); the middle part of the lower side of the connecting frame (511) is rotationally connected with a fixed ring (514); the rotating part of the electric rotating shaft (515) is fixedly connected with a second U-shaped frame (521); the front part and the rear part of the upper side of the second U-shaped frame (521) are fixedly connected with a first elastic expansion plate (516) respectively; the telescopic ends of the two first elastic telescopic plates (516) are fixedly connected with the fixed ring (514) through connecting blocks; the front part of the lower side and the rear part of the lower side of the fixed ring (514) are rotationally connected with a transmission plate (517) through a bracket and a rotating shaft; a third fixing rod (518) is fixedly connected to the middle part of the lower side of the second U-shaped frame (521); a fixing sleeve (519) is fixedly connected to the lower part of the third fixing rod (518); the front side and the rear side of the fixed sleeve (519) are fixedly connected with a second elastic expansion plate (520) respectively; the telescopic parts of the two second elastic telescopic plates (520) are respectively connected with a transmission plate (517) in a transmission way through a bracket and a rotating shaft; the telescopic ends of the two second elastic telescopic plates (520) are fixedly connected with a second U-shaped frame (521) respectively; a fourth fixed rod (522) is fixedly connected in each of the two second U-shaped frames (521); the upper and lower parts of each fourth fixing rod (522) are connected with a crack sensor (523) through torsion springs.
2. The fire collar transportation simulation inner core breakage detection device according to claim 1, wherein the vibration simulation assembly comprises a first fixing plate (101), a first fixing rod (102), a first return spring (103), a fixing frame (104), a first sliding rod (105), a second return spring (106), an electric rotating plate (107), a second mounting frame (108), a vibration motor (109) and a first baffle plate (110); the left part and the right part of the upper side of the first support frame (2) are fixedly connected with a first fixing plate (101) respectively; the front part and the rear part of the upper side of the two first fixing plates (101) are fixedly connected with a first fixing rod (102) respectively; the four first fixing rods (102) are sleeved with a first reset spring (103); the four first fixing rods (102) are connected with a fixing frame (104) in a sliding manner; the four first reset springs (103) are fixedly connected with the fixed frame (104); the front side and the rear side of the upper part of the fixed frame (104) are fixedly connected with a first slide bar (105) respectively; the left part and the right part of the two first slide bars (105) are fixedly connected with a second reset spring (106); the left parts of the two first slide bars (105) are connected with a first baffle plate (110) in a sliding way; the right parts of the two first slide bars (105) are connected with another first baffle (110) in a sliding way; the two second return springs (106) at the left are fixedly connected with the first baffle plate (110) at the left; the two second return springs (106) on the right are fixedly connected with the first baffle plate (110) on the right; two first baffles (110) are connected with one clamping assembly respectively; the front side of the lower part and the rear side of the lower part of the fixed frame (104) are fixedly connected with a second mounting frame (108) respectively; two second mounting frames (108) are respectively provided with a vibration motor (109); an electric rotating plate (107) is arranged at the bottom of the fixed frame (104).
3. The fire collar transportation simulation inner core breakage detection device according to claim 2, wherein the left clamping assembly comprises a second fixing plate (201), a second sliding rod (202), a third return spring (203), a clamping plate (204), a pull rod (205) and a limiting sleeve (206); the middle part of the upper side of the left first baffle (110) is fixedly connected with a second fixing plate (201); the lower part of the second fixed plate (201) is connected with two second sliding rods (202) which are symmetrical in front-back direction in a sliding way; a third reset spring (203) is sleeved on each of the two second sliding rods (202); the right sides of the two second sliding rods (202) are fixedly connected with clamping plates (204); the upper part of the left side of the clamping plate (204) is rotatably connected with a pull rod (205); a limit sleeve (206) is fixedly connected to the right part of the pull rod (205).
4. A fire collar transportation simulation inner core breakage detection device according to claim 3, wherein the upper part of the second fixing plate (201) is provided with a through groove matched with the shape of the limit sleeve (206), so that the limit sleeve (206) can pass through conveniently.
5. The fire collar transportation simulation inner core breakage detection device according to claim 1, wherein the right part of the limiting plate (303) is provided with a through rectangular groove which facilitates the rotation of the first L-shaped plate (307).
6. A fire collar transportation simulation inner core breakage detection apparatus according to claim 1, characterized in that the front and rear parts of the second U-shaped frame (521) are provided with through rectangular grooves for facilitating the movement of the driving plate (517).
7. A fire collar transportation simulation inner core breakage detection apparatus according to claim 6, further comprising a collection box (4); the middle part of the upper side of the underframe (1) is provided with a collecting box (4); the collecting box (4) is positioned below the conveying assembly.
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| CN202210139851.9A CN114618792B (en) | 2022-02-16 | 2022-02-16 | Fire collar transportation simulation inner core damage check out test set |
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| CN202210139851.9A CN114618792B (en) | 2022-02-16 | 2022-02-16 | Fire collar transportation simulation inner core damage check out test set |
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| CN114618792B true CN114618792B (en) | 2024-04-26 |
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| CN112525454A (en) * | 2020-12-18 | 2021-03-19 | 蚌埠市正园电子科技股份有限公司 | Simulated automobile transportation vibration table |
| CN214691937U (en) * | 2021-05-10 | 2021-11-12 | 德化县中科陶瓷智能装备研究院 | Mould conveying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0224332U (en) * | 1988-07-30 | 1990-02-19 | ||
| CN107192732A (en) * | 2017-05-24 | 2017-09-22 | 谷迁乔 | A kind of fire trapping ring core expansion character automatic testing equipment and its method of testing |
| CN207494051U (en) * | 2017-10-25 | 2018-06-15 | 上海多科电子科技有限公司 | Sunk type rejects golden inspection machine |
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| CN112278406A (en) * | 2020-10-19 | 2021-01-29 | 广州正宏电子商务有限公司 | Adjusting mechanism for commodity packaging conveying belt |
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| CN114618792A (en) | 2022-06-14 |
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