CN102515919A - Fully sealed automatic lifting device - Google Patents
Fully sealed automatic lifting device Download PDFInfo
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- CN102515919A CN102515919A CN2011104265046A CN201110426504A CN102515919A CN 102515919 A CN102515919 A CN 102515919A CN 2011104265046 A CN2011104265046 A CN 2011104265046A CN 201110426504 A CN201110426504 A CN 201110426504A CN 102515919 A CN102515919 A CN 102515919A
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Abstract
A fully sealed automatic lifting device is disclosed, which is an improvement for the structure of a lifting and feeding machine in high-tower production equipment for a compound fertilizer. The fully-sealed automatic lifting device comprises a storage hopper 1, a lifting hanging hopper 2, a traction device 3 and a revolution controller 31 thereof, a hanging cable 32, a hanging well 33, a discharge bin 4, a programmable controller 8, a working condition display device 9 and a frequency converter 10, wherein an automatic charging device 5 and an automatic discharging device 6 are composed of a bracket, an oil pump as well as coaxial inner barrel and outer barrel respectively; the outer barrel is fixed on the bracket and provided with a guide groove on the barrel wall along an axis; an upper limit switch and a lower limit switch are installed on the guide groove; a guide block capable of stretching out of the guide groove is installed on the outer wall of the inner barrel; collision blocks corresponding to the upper limit switch and the lower limit switch are installed on the guide block; and the oil pump drives the inner barrel to move downwards during charging or discharging, and after the process is finished, the oil pump drives the inner barrel to retreat. The fully-sealed automatic lifting device has the advantages of enabling lifter to realize fully-sealed automatic operation during charging, lifting and discharging processes, solving the problems of the high dust amount of raw material and serious pollution, reducing investment and facilitating operation. The fully-sealed automatic lifting device can be used for production equipment in the industries of chemical engineering, food and the like using dusty and granular raw materials.
Description
Technical field
The present invention relates to a kind of lifting feeding machine that is used for the high tower compound fertilizer production unit, relate in particular to a kind of hermetically sealed materials device of carrying automatically.
Background technology
At present, domestic composite fertilizer high tower pellatizer production line has over one hundred cover, and the major part that promotes powder or feed particulate material adopts chapelet or pit car type lift.Because the characteristics that composite fertilizer produces; Above-mentioned two kinds of lifts are difficult in raw material charging, lifting, discharge process realize that sealing is carried and equipment moves automatically; Cause that dust is big in the production, environmental pollution is serious, very easily bring serious health harm to the site operation personnel.
Summary of the invention
The object of the invention is to overcome in the prior art lift and does not seal at charging, lifting, discharging link raw material and carry and the manually-operated defective of equipment claimed; A kind of hermetically sealed materials device of carrying automatically is provided; In order to solve big, the with serious pollution problem of dust in the prior art; Realize raw material hermetically sealed in charging, lifting, discharge process, reduce wastage of material, practice thrift cost.
The present invention is achieved through following technical proposals.This hermetically sealed materials device of carrying automatically; Comprise storage hopper 1, promote suspension bucket 2, towing mechanism 3 and revolution unit 31, hanger rope 32, hang well 33, unload feed bin 4, programmable logic controller 8, operating mode display unit 9, frequency transformer 10; At storage hopper 1 inwall stuff level switch 11, following stuff level switch 12 are housed, outlet valve 13 is equipped with in its outlet; Promote suspension bucket 2 imports and inlet valve 21 and outlet valve 22 are housed respectively, promote suspension bucket 2 and be connected with towing mechanism 3 through hanger rope 32 with outlet; Automatic charge device 5 comprises bottom bracket 53, bottom oil pump 54 and co-axial urceolus 51 and inner core 52; Urceolus 51 is fixed on the bottom bracket 53 and along axle and has guide groove 55 at barrel; Upper limit position switch 551 and lower position switch 552 are housed on the guide groove 55; The guide block 521 that can stretch out guide groove 55 is housed on inner core 52 outer walls; The collision block corresponding with upper limit position switch 551, lower position switch 552 is housed on the guide block 521, and 1 outlet is connected urceolus 51 with storage hopper, and oil pump 54 drive inner cores 52 move down and promote suspension bucket 2 imports and be connected bottom the when filling with substance; Automatic discharge unit 6 comprises upper bracket 63, top oil pump 64 and co-axial outer sleeve 61 and inner sleeve 62; Outer sleeve 61 is fixed on the upper bracket 63 and along axle and has inner sleeve guide groove 65 at barrel; Upper stroke switch 651 and lower stroke switch 652 are housed on the inner sleeve guide groove 65; The inner sleeve guide block 621 that can stretch out inner sleeve guide groove 65 is housed on inner sleeve 62 outer walls; The collision block corresponding with upper stroke switch 651, lower stroke switch 652 is housed on the inner sleeve guide block 621, during discharging outer sleeve 61 with promote suspension bucket 2 outlets and be connected, top oil pump 64 can drive inner sleeve 62 mobile opening for feed that unloads feed bin 4 that stretches into vertically.
Be installed in the collision block on automatic charge device guide groove 55 and the automatic discharge unit inner sleeve guide groove 65; Be in order to trigger upper limit position switch or the lower position switch on the guide groove 55, upper stroke switch or the lower position switch on the inner sleeve guide groove 65; Thereby send signal and give programmable logic controller 8, scope and location that control urceolus 52 and inner sleeve 62 move.
The hermetically sealed lifting suspension bucket outlet valve of carrying automatically in the materials device 22 is split type electric butterfly valve; Comprise and be installed in the valve body that promotes in the suspension bucket outlet, be installed in the valve electric actuator 7 that hangs well 33 tops and open valve-stem guide 71; Axle has fluting to valve body in the valve rod upper edge, opens valve-stem guide 71 for tabular, and its thickness is less than the width of valve rod fluting; Open valve-stem guide 71 upper ends and be fixed on the valve electric actuator 7, its lower end thickness is less than upper end thickness.
The hermetically sealed YE 7 of carrying the lifting suspension bucket outlet valve 22 in the materials device automatically is installed in the top of hanging well 33.Generally it is installed on the outlet valve 22 in the prior art, can follows lifting suspension bucket 2 and move up and down, be prone to cause fault to cause valve to open.Opening valve-stem guide 71 can be made into tabular; Its upper end is fixed on the YE 7, opens valve-stem guide 71 for tabular, and its thickness is less than the width of valve rod fluting; And what be introduced into valve rod fluting opens valve-stem guide 71; Its lower end thickness is less than upper end thickness, is convenient to valve electric actuator to the location of valve with find accurately, improved accuracy rate.
Hermetically sealed storage hopper 1, the lifting suspension bucket of carrying automatically in the materials device 2 can be set to one or more; Storage hopper outlet valve 13, promoting suspension bucket inlet valve 22 can be for one or more, and storage hopper outlet valve 13 and lifting suspension bucket inlet valve 22 quantity, position are corresponding.
There is outside enlarging hermetically sealed outer sleeve 61 upper ends of carrying the automatic discharge unit 6 in the materials device automatically, and greater than the outlet that promotes suspension bucket 2, and sealing-ring is housed in enlarging.Technique scheme can guarantee that when discharging the outlet that promotes suspension bucket 2 realizes hermetically sealed the connection with the urceolus of automatic discharge unit 6.
Hermetically sealedly carry storage hopper 1 volume in the materials device automatically less than the volume that promotes suspension bucket 2.After making that storage hopper 1 is unsnatched material, the following stuff level switch 12 that is installed in storage hopper 1 sends signal can for control 8 able to programme, controls storage hopper outlet valve 13 subsequently and closes, starts bottom oil pump 54, drives inner core 52 and returns.Hermetically sealed more specifically carry automatically in the materials device storage hopper 1 to make volume be 4.1m
3Steel Vessel, it is the electric butterfly valve of 400mm that the outlet valve of installing on it 13 adopts diameters.
The hermetically sealed flapper valve of lifting suspension bucket inlet valve 21 for utilizing gravity rod to drive of carrying automatically in the materials device hanging the lever that the support gravity rod is equipped with in well 33 bottoms.When filling with substance utilizes action of gravity to open inlet valve 21; In the process that promotes suspension bucket 2 liftings, discharging and decline, gravity rod falls drive and keeps inlet valve 21 to close, and stops the raw material dust to be emerged, and uses mechanical flapper valve also to reduce the trouble spot simultaneously.
The hermetically sealed materials device of carrying is automatically given storage hopper 1 feeding by peripheral equipment earlier, when raw material reaches the last material level of stuff level switch 11 correspondences, stops outside charging.Promoting suspension bucket 2 through 23 pairs of position-sensing switches of charging carries out after the charging position location finds accurately; Send the charging signal for programmable logic controller 8; The lower end of the inner core 52 of control lifting suspension bucket 2 imports and automatic charge device 5 is connected, and opens storage hopper outlet valve 13 and give the lifting suspension bucket 2 chargings with lifting suspension bucket inlet valve 21.After raw material in the storage hopper 1 has been put; Stuff level switch 12 sends signal for control 8 able to programme under it; Close storage hopper outlet valve 13, start bottom oil pump 54 and drive inner cores 52 and return, towing mechanism 3 scrolling hanger ropes 32 drive and promote suspension buckets 2 and rise, and promote suspension bucket inlet valve 21 simultaneously and close; When discharging; Promoting suspension bucket 2 through 24 pairs of discharging position-sensing switches carries out after the discharging position location finds accurately; Send discharging signal for programmable logic controller 8; Control promotes the outlet of suspension bucket 2 and the outer sleeve 61 upper ends butt joint of automatic discharge unit 6, and the inner sleeve 62 that top oil pump 64 drives automatic discharge unit 6 stretches into the opening for feed that unloads feed bin 4, opens lifting suspension bucket outlet valve 22 and carries out discharging; Discharging finishes, and promotes suspension bucket outlet valve 22 and closes, and the inner sleeve 62 that top oil pump 64 drives automatic discharge unit 6 is return, and promotes suspension bucket 2 and descends.
Advantage of the present invention is:
1, realizes raw material hermetically sealed in charging, lifting, discharge process, solved big, the with serious pollution problem of dust fully, reduced wastage of material, practiced thrift cost.
2, fully automatic operation, simple in structure, improved the life-span and the rate of utilization of equipment.
Description of drawings
Fig. 1 is the hermetically sealed structural representation of carrying materials device embodiment automatically of the present invention; Illustrate simultaneously and promote three location status of suspension bucket in when filling with substance, the way of rising, during discharging, the inner core in automatic charge device, the automatic discharge unit adopts skeleton view to illustrate.
Fig. 2 is the automatic charge device part perspective view among Fig. 1.
To be that the present invention is hermetically sealed carry control principle figure among the materials device embodiment to Fig. 3 automatically.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below, the technical scheme among the embodiment carried out clear, intactly description, obviously; Described embodiment is the present invention's part embodiment, rather than whole embodiment.
Fig. 1 is the hermetically sealed structural representation of carrying materials device embodiment automatically of the present invention, and Fig. 2 is the automatic charge device part perspective view among Fig. 1, and to be that the present invention is hermetically sealed carry control principle figure among the materials device embodiment to Fig. 3 automatically.Like Fig. 1, Fig. 2 and shown in Figure 3; The hermetically sealed materials device of carrying automatically of present embodiment comprises storage hopper 1, promotes suspension bucket 2, towing mechanism 3 and revolution unit 31, hanger rope 32, hangs well 33, unloads feed bin 4, programmable logic controller 8, operating mode display unit 9, frequency transformer 10.At the inwall of storage hopper 1 stuff level switch 11, following stuff level switch 12 are housed, outlet valve 13 is equipped with in its outlet; Promote suspension bucket 2 imports inlet valve 21 is housed, outlet valve 22 is equipped with in its outlet, promotes suspension bucket 2 and is connected with towing mechanism 3 through hanger rope 32; Automatic charge device 5 comprises bottom bracket 53, bottom oil pump 54 and co-axial urceolus 51 and inner core 52; Urceolus 51 is fixed on the bottom bracket 53 and along axle and has guide groove 55 at barrel; Upper limit position switch 551 and lower position switch 552 are housed on the guide groove 55; The guide block 521 that can stretch out guide groove 55 is housed on inner core 52 outer walls; The collision block corresponding with upper limit position switch 551, lower position switch 552 is housed on the guide block 521, and 1 outlet is connected urceolus 51 with storage hopper, and oil pump 54 drive inner cores 52 in when filling with substance bottom move down and promote suspension bucket 2 imports and dock; Automatic discharge unit 6 comprises upper bracket 63, top oil pump 64 and co-axial outer sleeve 61 and inner sleeve 62; Outer sleeve 61 is fixed on the upper bracket 63 and along axle and has inner sleeve guide groove 65 at barrel; Upper stroke switch 651 and lower stroke switch 652 are housed on the inner sleeve guide groove 65; The inner sleeve guide block 621 that can stretch out inner sleeve guide groove 65 is housed on inner sleeve 62 outer walls; The collision block corresponding with upper stroke switch 651, lower stroke switch 652 is housed on the inner sleeve guide block 621, during discharging outer sleeve 61 with promote suspension bucket 2 outlet butt joints, top oil pump 64 can drive inner sleeve 62 and move into the opening for feed that unloads feed bin 4 vertically down.Be installed in the collision block on automatic charge device guide groove 55 and the automatic discharge unit inner sleeve guide groove 65; Be in order to trigger upper limit position switch or the lower position switch on the guide groove 55, upper stroke switch or the lower position switch on the inner sleeve guide groove 65; Thereby send signal and give programmable logic controller 8, scope and location that control urceolus 52 and inner sleeve 62 move.
Particularly; The last stuff level switch 11 of storage hopper 1 is connected arbitrary input/output interface of programmable logic controller 8 with the upper limit position switch 551 and upper stroke switch 651 of lower position switch 552, the automatic discharge unit 6 and input terminus of lower stroke switch 652, towing mechanism revolution unit 33, frequency transformer 10 of following stuff level switch 12, automatic charge device 5; Arbitrary input/output interface of programmable logic controller 8 also connects the charging position-sensing switch 23 and discharging position-sensing switch 24 that promotes suspension bucket 2; Bottom oil pump controller 541 and top oil pump controller 641; Its communication interface connects operating mode display unit 9, and the frequency output terminal of frequency transformer 10 connects the phonomoter in the towing mechanism 3.Have phonomoter in the towing mechanism 3, have bottom oil pump controller 541 on the bottom oil pump 54, have top oil pump controller 641 on the top oil pump 64.
Further, to make volume be 4.1m to storage hopper 1
3Steel Vessel, it is the electric butterfly valve of 400mm that its outlet at bottom valve 13 adopts diameters, its valve electric actuator is M00LeL-50 type.When raw material reached material level in the storage hopper 1, the last stuff level switch 11 of single capacitor formula CM23-150 type outputed signal to 100 programmable logic controllers 8 of siemens, stops the peripheral equipment charging.Promote suspension bucket 2 and drop to the bottom of hanging well 33, by charging position-sensing switch 23 its charging position location is found accurately, and send signal and give programmable logic controller 8; Send wave by programmable logic controller 8, starting oil cylinder is the bottom oil pump 54 of HOB-63/600 type, when oil pressure reaches 2.5MPa; Bottom oil pump 54 drives inner core 52 and stretches out downwards; After the import that promotes suspension bucket 2 was connected, the collision block on the inner core 52 triggered the lower position switch 552 of LA500/5A type, and programmable logic controller 8 sends wave; Open storage hopper outlet valve 13, to promoting suspension bucket 2 chargings.Raw material in the storage hopper 1 has been put; Stuff level switch 12 provides signal to programmable logic controller 8 under it; Close storage hopper outlet valve 13, subsequent start-up bottom oil pump 54 drives inner core 52 and returns; When the collision block on the inner core 52 triggers upper limit position switch 551, send signal and stop oil pump 54 for programmable logic controller 8.
Traction rises the windlass of device 3 for 40 meters/minute of speed, is promoting suspension bucket 2 charging end, and beginning scrolling hanger rope 32 drives and promotes suspension bucket 2 along hanging well 33 risings.Because the mechanical gravity effect of gravity rod, the back that begins to rise promotes suspension bucket 2 import flapper valves 21 and closes, and stops the raw material dust to be emerged.Promote suspension bucket 2 apart from discharging position-sensing switch 24 2 to 3 meters the time; The revolution unit 31 of programmable logic controller 8 control towing mechanisms, frequency transformer 10 are with phonomoter reduction of speed to 5 meter per second in the towing mechanism 3; Be beneficial to out valve-stem guide 71 capturing positions; Open valve-stem guide 71 and make tabularly, the thickness of its lower end is less than the thickness of upper end, so that to the valve rod fluting location of outlet valve 22 with find accurately.Rise to discharging position-sensing switch 24 positions when promoting suspension bucket 2, programmable logic controller 8 sends wave, control towing mechanism 3 stalls brake; Control top oil pump controller 641 startup top oil pumps 64 subsequently, drive inner sleeve 62 stretches into and unloads feed bin 4 opening for feed soft cloth bag tubes, outer sleeve 61 and the outlet valve that promotes suspension bucket 2 22 butt joints; Butt joint finishes, and promotes YE 7 actions of suspension bucket outlet valve 22, drives and opens valve-stem guide 71 rotations; Open and promote suspension bucket outlet valve 22, raw material gets into and unloads feed bin 4.Discharging finishes, and promotes suspension bucket outlet valve 22 and at first closes, and oil pump 64 drive inner sleeves 62 in top are return then.After returning completion, promote suspension bucket 2 and descend, for circulation next time is prepared.
Further, storage hopper 1, promoting suspension bucket 2 can be for one or more, and described storage hopper outlet valve 13, promoting suspension bucket inlet valve 22 can be for one or more, and storage hopper outlet valve 13 and lifting suspension bucket inlet valve 22 quantity, position are corresponding.
The rubber ring of sealing usefulness all is equipped with in outer sleeve 61 upper ends of the lower end of the inner core 52 of automatic charge device 5, automatic discharge unit 6; The opening for feed that unloads feed bin 4 is equipped with soft cloth bag tube, has guaranteed the sealing at charging, discharge process of automatic charge device and automatic discharge unit.
The present invention also can be used for the production unit that raw material is industries such as dust, granular chemical industry, food, as sealing full automatic lifting feeding machine, solves dust pollution, reduces waste, the saving cost of raw material, realizes the automatic and safe operation of equipment.
Claims (7)
1. hermetically sealed materials device of carrying automatically; Comprise storage hopper (1), promote suspension bucket (2), towing mechanism (3) and revolution unit (31), hanger rope (32), hang well (33), unload feed bin (4), programmable logic controller (8), operating mode display unit (9), frequency transformer (10); It is characterized in that; Described storage hopper (1) inwall is equipped with stuff level switch (11), following stuff level switch (12), and outlet valve (13) is equipped with in its outlet; Described lifting suspension bucket (2) import is equipped with inlet valve (21) and outlet valve (22) respectively with outlet, promotes suspension bucket (2) and is connected with towing mechanism (3) through hanger rope (32); The urceolus (51) of automatic charge device (5) is fixed on bottom bracket (53) and upward and along axle has guide groove (55) at barrel; Upper limit position switch (551) and lower position switch (552) are housed on the guide groove (55); The guide block (521) that can stretch out guide groove (55) is housed at inner core (52) outer wall; Be equipped with on the guide block (521) and collision block that upper limit position switch (551), lower position switch (552) are corresponding; The outlet of urceolus (51) and storage hopper (1) is connected, and when filling with substance bottom oil pump (54) drive inner core (52) moves down and promotes suspension bucket (2) import and be connected; The upper bracket (63) that is fixed on the outer sleeve (61) of automatic discharge unit (6) goes up and has inner sleeve guide groove (65) along axle at barrel; Upper stroke switch (651) and lower stroke switch (652) are housed on the inner sleeve guide groove (65); The inner sleeve guide block (621) that can stretch out inner sleeve guide groove (65) is housed at inner sleeve (62) outer wall; Be equipped with on the inner sleeve guide block (621) and collision block that upper stroke switch (651), lower stroke switch (652) are corresponding; Outlet is connected outer sleeve during discharging (61) with lifting suspension bucket (2), and top oil pump (64) can drive inner sleeve (62) and move into the opening for feed that unloads feed bin (4) vertically down.
2. the hermetically sealed materials device of carrying automatically according to claim 1; It is characterized in that; The upper limit position switch (551) of the last stuff level switch (11) of described storage hopper (1) and following stuff level switch (12), automatic charge device (5) and the upper stroke switch (651) of lower position switch (552), automatic discharge unit (6) are connected arbitrary input/output interface of programmable logic controller (8) with the input terminus of lower stroke switch (652), towing mechanism revolution unit (31), frequency transformer (10); The input/output interface of programmable logic controller (8) also connects bottom oil pump controller (541) and top oil pump controller (641); Promote the charging position-sensing switch (23) and the discharging position-sensing switch (24) of suspension bucket (2); Its communication interface connects operating mode display unit (9), and described frequency transformer (10) frequency output terminal connects the phonomoter in the towing mechanism (3).
3. the hermetically sealed materials device of carrying automatically according to claim 1 and 2; It is characterized in that; Described lifting suspension bucket outlet valve (22) is split type electric butterfly valve, comprises the valve body that is installed in automatic discharge unit (6) outlet, is installed in the valve electric actuator (7) that hangs well (33) top and opens valve-stem guide (71), and axle has fluting to valve body in the valve rod upper edge; Open valve-stem guide (71) for tabular; Thickness is less than the groove width of valve rod, and its upper end is fixed on the valve electric actuator (7), and the lower end thickness of opening valve-stem guide (71) is less than upper end thickness.
4. the hermetically sealed materials device of carrying automatically according to claim 1 and 2 is characterized in that there is enlarging outer sleeve (61) upper end of described automatic discharge unit (6), and greater than the outlet that promotes suspension bucket (2).
5. the hermetically sealed materials device of carrying automatically according to claim 1 and 2, the volume that it is characterized in that described storage hopper (1) is less than the volume that promotes suspension bucket (2).
6. the hermetically sealed materials device of carrying automatically according to claim 1 and 2 is characterized in that, the flapper valve of described lifting suspension bucket inlet valve (21) for utilizing gravity rod to drive is equipped with the pin that supports gravity rod in the bottom of hanging well (33).
7. the hermetically sealed materials device of carrying automatically according to claim 1 and 2; It is characterized in that; Sealing-ring all is equipped with in the upper end of the lower end of the inner core (52) of described automatic charge device (5), the outer sleeve (61) of automatic discharge unit (6), and described feed bin (4) opening for feed that unloads is equipped with than the big sealing bore of inner sleeve (62) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110426504 CN102515919B (en) | 2011-12-19 | 2011-12-19 | Fully sealed automatic lifting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110426504 CN102515919B (en) | 2011-12-19 | 2011-12-19 | Fully sealed automatic lifting device |
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| CN102515919A true CN102515919A (en) | 2012-06-27 |
| CN102515919B CN102515919B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110426504 Active CN102515919B (en) | 2011-12-19 | 2011-12-19 | Fully sealed automatic lifting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092656A (en) * | 2016-06-24 | 2016-11-09 | 江苏永钢集团有限公司 | A kind of semi-automatic lifting formula sampler |
| CN110697624A (en) * | 2019-09-27 | 2020-01-17 | 萧县威辰机电工程设备有限公司 | Automatic feeding hoister for processing small parts |
| CN111807264A (en) * | 2020-07-20 | 2020-10-23 | 安徽强坤机械有限公司 | Lifting equipment for high-temperature materials and processing method thereof |
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| CN202369518U (en) * | 2011-12-19 | 2012-08-08 | 青岛中天化工科技有限公司 | Fully-sealed automatic lifting device |
| CN202465196U (en) * | 2012-02-21 | 2012-10-03 | 胡相兰 | Tunnel stacker crane |
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| CN2316382Y (en) * | 1997-06-02 | 1999-04-28 | 李海祥 | Double safety double basket elevator |
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| CN106092656A (en) * | 2016-06-24 | 2016-11-09 | 江苏永钢集团有限公司 | A kind of semi-automatic lifting formula sampler |
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| CN111807264A (en) * | 2020-07-20 | 2020-10-23 | 安徽强坤机械有限公司 | Lifting equipment for high-temperature materials and processing method thereof |
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| CN102515919B (en) | 2013-06-19 |
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Effective date of registration: 20210819 Address after: No. 55, Haizhou Road, Pingdu Economic Development Zone, Qingdao, Shandong 266705 Patentee after: Qingdao founder Equipment Technology Co.,Ltd. Address before: 266731 No. 577, Jiaoping Road, Pingdu City, Qingdao City, Shandong Province Patentee before: QINGDAO ZHONGTIAN CHEMICAL TECHNOLOGY Co.,Ltd. |