CN104229482A - Automatic energy-saving pressurizing device for use in particle pipeline conveying - Google Patents
Automatic energy-saving pressurizing device for use in particle pipeline conveying Download PDFInfo
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- CN104229482A CN104229482A CN201410422172.8A CN201410422172A CN104229482A CN 104229482 A CN104229482 A CN 104229482A CN 201410422172 A CN201410422172 A CN 201410422172A CN 104229482 A CN104229482 A CN 104229482A
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- 239000002245 particle Substances 0.000 title claims abstract description 12
- 241000446313 Lamella Species 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses an automatic energy-saving pressurizing device for use in particle pipeline conveying. The automatic energy-saving pressurizing device comprises a body, wherein an air inlet cavity and an air outlet cavity which are communicated with each other are formed in the body; the air inlet cavity and the air outlet cavity are communicated with each other through an inner hole; the body is provided with a cylinder body; a piston is arranged in the cylinder body; one end of a connecting rod is arranged on the piston; the length direction of the connecting rod is the same as the movement direction of the piston; a valve plate is arranged at the other end of the connecting rod; the valve plate is matched with the inner hole; a connecting pipe is arranged on the end part of the air inlet cavity; a spring is arranged between the connecting pipe and the valve plate, and is used for constantly applying force for compressing the inner hole to the valve plate; the side edge of the air inlet cavity is provided with a leaking hole; the leaking hole is communicated with the air outlet cavity; the leaking hole is communicated with the air inlet end of the cylinder body through a connecting hole; the cross sectional area of the valve plate is smaller than the sectional area of the piston.
Description
Technical field
The present invention relates to a kind of pneumatic transport equipment being applied in powder, granular material, specifically a kind of particle Cemented filling automatic energy saving pressure device.
Background technology
When long distance uses pneumatic pipe delivery of bulk material, the source of the gas of high pressure and powder or granular material are carried by delivery duct, just arrange a tonifying Qi air conveyor, carry out supplementary source of the gas to delivery pipe at delivery duct every a segment distance.Different according to the material of Cemented filling, control the amount passing into gas, the assurance for minimum throughput adopts artificial regulatory more.This control methods accuracy is low, incorporate cause excessive or too small.The too small object that cannot reach tonifying Qi of minimum throughput, thus make constantly to increase air compensation, piston is rubbed repeatedly, reduces the life-span used; When minimum throughput is excessive, air compensation can be caused excessive, cause the waste of gas.
Summary of the invention
For solving the problem, the object of this invention is to provide a kind of particle Cemented filling automatic energy saving pressure device, can accurately regulate and control minimum throughput.
The present invention for achieving the above object, be achieved through the following technical solutions: a kind of particle Cemented filling automatic energy saving pressure device, it is characterized in that: comprise body, the inlet chamber and outlet chamber that communicate is offered in body, inlet chamber and outlet chamber are communicated by endoporus, body arranges cylinder body, in cylinder body, piston is set, one end of installing connecting rods on piston, the length direction of connecting rod is identical with piston movement direction, the other end of connecting rod installs valve block, valve block matches with endoporus, connection pipe is installed in inlet chamber end, between connection pipe and valve block, spring is set, spring compresses the power of endoporus to all the time valve block one, the side of inlet chamber is offered and is rushed down hole, rush down hole and be communicated with outlet chamber, rush down hole to be communicated with the inlet end of cylinder body by connecting bore, the cross-sectional area of valve block is less than the sectional area of piston, the sidepiece of body arranges screw, hole is rushed down in screw connection, throttling stud is set in screw, the penetrating groove in two ends is offered at the top of throttling stud, the vertical axis of guide is set in groove, the axis of guide is coaxial with the line of centers of throttling stud, groove arranges rotatable lamella, rotatable lamella midpoint offers vertical third through-hole, the axis of guide is through the third through-hole of rotatable lamella, outside body, stepping motor is installed, the output shaft of stepping motor installs rotating disk, the diameter of rotating disk is identical with the length of rotatable lamella, the end of rotating disk is connected by gangbar with the end of rotatable lamella, the two ends of gangbar respectively with rotating disk, rotatable lamella is hinged, connecting rod is two sections, for to be connected by several riser between two sections, vertically penetrating vented cavity is formed between riser, in vented cavity, hound is set, the two ends of hound connect adjacent riser respectively.
For realizing object of the present invention further, can also by the following technical solutions: the end of described body is detachable end, periphery, end and the end cap periphery of body all arrange coupling link, on the coupling link of the coupling link on body and end cap periphery, correspondence offers open-work, arranges the tie bolt cooperatively interacted and coupling nut in each through-hole.Described body peripheral arranges set collar, coupling link on body and vertical several baffle plates are set between set collar, every two baffle plates are one group, one group of baffle plate is positioned at the both sides of tie bolt, outer end between one group of baffle plate arranges top cover, top cover and one of them panel hinge, top cover is offered the second through hole of strip shape, the screw rod of tie bolt is towards set collar, tie bolt is equipped with nut, nut installs transverse sheet, transverse sheet is offered the first through hole of strip shape, first through hole and the second through hole are all interior through riser, the top of riser arranges upper cross plate, the bottom of riser arranges lower cross plate, the length of the first through hole is greater than the length of lower cross plate, the length of the second through hole is less than the length of upper cross plate, upper cross plate arranges butterfly bolt, butterfly bolt coordinates with top cover through upper cross plate.Have the straight tube of guiding in the outlet side of described cylinder body, the projection to annular is established in connecting rod and straight tube cooperation place, and protruding periphery arranges the second seal ring, protruding and straight tube close fit.Described main body is fixed with compression indicator, compression indicator with rush down hole and be communicated with.Described outlet chamber is connected with freeing pipe, and described freeing pipe connects the delivery duct of convey materials; Check valve is fixed with between freeing pipe and delivery duct.Described connection pipe and inlet chamber are that screw thread fit is connected.
The invention has the advantages that: when the present invention regulates and controls minimum throughput, by the fine rotational of stepping motor, mating part between adjustment throttling stud and screw, thus minimum throughput is finely tuned, best minimum throughput can be reached according to the material difference of conveying, avoid the problem that minimum throughput is excessive or too small, thus extend service life of the present invention, avoid wasting source of the gas.The present invention also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention; Fig. 2 is the I partial enlargement structural representation of Fig. 1; Fig. 3 is the II partial enlargement structural representation of Fig. 1; Fig. 4 be along Fig. 3 C-C line analyse and observe structure for amplifying schematic diagram; Fig. 5 is that the A of Fig. 1 is to looking structure for amplifying schematic diagram; Fig. 6 is that the B of Fig. 1 is to looking structure for amplifying schematic diagram; Fig. 7 is the III partial enlargement structural representation of Fig. 6; Fig. 8 be along Fig. 1 D-D line analyse and observe structure for amplifying schematic diagram.
Reference numeral: 1 body 2 throttling stud 3 rushes down protruding 12 end cap 13 freeing pipe 14 delivery duct 15 check valve 16 outlet chamber 17 endoporus 18 valve block 19 spring 20 connection pipe 21 inlet chamber 22 stepping motor 23 rotating disk 24 gangbar 25 rotatable lamella 26 groove 27 axis of guide 28 third through-hole 29 transverse sheet 30 first through hole 31 second through hole 32 upper cross plate 33 butterfly bolt 34 tie bolt 35 coupling nut 36 baffle plate 37 riser 38 nut 39 top cover 40 lower cross plate 41 intercommunicating pore 42 screw 43 coupling link 44 set collar 45 vented cavity 46 riser 47 hounds of hole 4 compression indicator 5 cylinder body 6 first seal ring 7 piston 8 straight tube 9 second seal ring 10 connecting rod 11.
Detailed description of the invention
A kind of particle Cemented filling automatic energy saving pressure device, as Fig. 1, Fig. 2, Fig. 5, shown in Fig. 6 and Fig. 7, comprise body 1, the inlet chamber 21 and outlet chamber 16 that communicate is offered in body 1, inlet chamber 21 and outlet chamber 16 are communicated by endoporus 17, body 1 arranges cylinder body 5, piston 7 is set in cylinder body 5, the outside of piston 10 is fixed with the first seal ring 6, one end of installing connecting rods 10 on piston 7, the length direction of connecting rod 10 is identical with piston 7 sense of motion, the other end of connecting rod 10 installs valve block 18, valve block 18 matches with endoporus 17, connection pipe 20 is installed in inlet chamber 21 end, spring 21 is set between connection pipe 20 and valve block 18, spring 21 compresses the power of endoporus 17 to all the time valve block 18 1, the side of inlet chamber 21 is offered and is rushed down hole 3, rush down hole 3 and be communicated with outlet chamber 16, rush down hole 3 to be communicated by the inlet end of connecting bore 41 with cylinder body 5, the cross-sectional area of valve block 18 is less than the sectional area of piston 7, the sidepiece of body 1 arranges screw 42, hole 3 is rushed down in screw 42 connection, throttling stud 2 is set in screw 42, the penetrating groove in two ends 26 is offered at the top of throttling stud 2, the vertical axis of guide 27 is set in groove 26, the axis of guide 27 is coaxial with the line of centers of throttling stud 2, groove 26 arranges rotatable lamella 25, rotatable lamella 25 midpoint offers vertical third through-hole 28, the axis of guide 27 is through the third through-hole 28 of rotatable lamella 25, stepping motor 22 is installed outside body 1, the output shaft of stepping motor 22 is installed rotating disk 23, the diameter of rotating disk 23 is identical with the length of rotatable lamella 25, the end of rotating disk 23 is connected by gangbar 24 with the end of rotatable lamella 25, the two ends of gangbar 24 respectively with rotating disk 23, rotatable lamella 25 is hinged.Gas by rush down hole 3 enter outlet chamber 16 time, connecting rod 10 adds the resistance of gas walking, connecting rod 10 diameter diminishes can affect the intensity of connecting rod use, in order to overcome the problems referred to above, as shown in Figure 8, connecting rod 10 is two sections, for to be connected by several riser 46 between two sections, form vertically penetrating vented cavity 45 between riser 46, arrange hound 47 in vented cavity 45, the two ends of hound 47 connect adjacent riser 36 respectively.The diameter inconvenience of connecting rod 10, gas is by vented cavity 45, and resistance reduces; Under the effect of hound 47, the intensity inconvenience of connecting rod 10, does not affect service life.
Principle of work of the present invention is: the present invention is arranged on delivery duct 14, and outlet chamber 16 is connected with delivery duct 14, and the source of the gas of high pressure and powder or granular material are carried at delivery duct 14.The source of the gas supplemented is passed in inlet chamber 21, when carried material is less, compressed gas cognition is transported to outlet chamber 16 by the hole 2 of rushing down of body 1 inside of conveyer and then is carried out a small amount of tonifying Qi to delivery duct, and source of the gas required is like this less, can avoid wasting source of the gas.When convey materials is too much, material cannot be carried in time, delivery duct 14 internal pressure is larger, and then cause conveyer internal pressure to raise, outlet chamber 16 pressure increase be communicated with delivery duct 14, compression indicator 4 index rises, when piston 7 pressure of cylinder is greater than pressure on valve block 18 and spring 19 pressure sum, valve block 18 is moved to the direction of opening, open endoporus 17, the source of the gas at this moment supplemented directly is entered outlet chamber 16 by inlet chamber 21 and is entered in delivery duct 14 and increases traffic capacity.
When needs adjust minimum throughput, stepping motor 22 drives rotating disk 23 to rotate, and under the effect of gangbar 24, rotatable lamella 25 rotates, thus drives throttling stud 2 to rotate to realize throttling stud 2 and move up and down.Rotatable lamella 25 adjusts the position relationship with throttling stud 2 according to the axis of guide 27.Stepping motor 22 accurately can adjust throttling stud 2 and move up and down displacement, thus reaches the object accurately controlling minimum throughput.
For the ease of to maintenance of the present invention, as shown in Figure 3, the end of described body 1 is detachable end 12, periphery, end and end cap 12 periphery of body 1 all arrange coupling link 43, on the coupling link 43 of the coupling link 43 on body 1 and end cap 12 periphery, correspondence offers open-work, arranges the tie bolt 34 cooperatively interacted and coupling nut 35 in each through-hole.Tie bolt 34 and coupling nut 35 are positioned at body 1 and end cap 1 outside 2, are convenient to dismounting.
In order to increase fastness, described body 1 periphery arranges set collar 44, coupling link 43 on body 1 and between set collar 44, vertical several baffle plates 36 are set, every two baffle plates 36 are one group, one group of baffle plate 36 is positioned at the both sides of tie bolt 34, outer end between one group of baffle plate 36 arranges top cover 39, top cover 39 is hinged with one of them baffle plate 36, top cover 39 is offered the second through hole 31 of strip shape, the screw rod of tie bolt 34 is towards set collar 44, tie bolt 34 is equipped with nut 38, nut 38 is installed transverse sheet 29, transverse sheet 29 is offered the first through hole 30 of strip shape, first through hole 30 and the second through hole 31 are all interior through riser 37, the top of riser 37 arranges upper cross plate 32, the bottom of riser 37 arranges lower cross plate 40, the length of the first through hole 30 is greater than the length of lower cross plate 40, the length of the second through hole 31 is less than the length of upper cross plate 32, upper cross plate 32 is arranged butterfly bolt 33, butterfly bolt 33 coordinates with top cover 39 through upper cross plate 32.After tie bolt 34 is installed, nut 38 is coordinated the end being arranged on tie bolt 34, turn to transverse sheet 29 for level, fasten top cover 39, make lower cross plate 40 through the first through hole 30, as shown in Figure 4 direction, to right translation upper cross plate 32, the riser 37 be connected with upper cross plate 32, lower cross plate 40 move to right simultaneously, are fixed upper horizontal slope 32 position by butterfly bolt 33.Tie bolt 34 now can be avoided rotating, thus improves stability and fastness, ensures overall safety.
For the telescopic moving improving connecting rod is stablized, have the straight tube 8 of guiding in the outlet side of described cylinder body 5, the projection 11 to annular is established in connecting rod 10 and straight tube 8 cooperation place, and protruding 11 peripheries arrange the second seal ring 9, projection 11 and straight tube 8 close fit.
Described main body 1 is fixed with compression indicator 4, compression indicator 4 with rush down hole 3 and be communicated with.Reach the pressure measuring inside of the present invention in real time.
Described outlet chamber 16 is connected with freeing pipe 13, and described freeing pipe 13 connects the delivery duct 14 of convey materials; Check valve 15 is fixed with between freeing pipe 13 and delivery duct.Prevent material from blocking conveyer to conveyer internal leakage.
Described connection pipe 20 for screw thread fit is connected, by precession and the compaction degree screwing out regulating spring of connection pipe, and then regulates the pressure needed during valve block unlatching with inlet chamber 21.
Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The technology contents of the not detailed description of the present invention is known technology.
Claims (7)
1. a particle Cemented filling automatic energy saving pressure device, it is characterized in that: comprise body (1), the inlet chamber (21) and outlet chamber (16) that communicate is offered in body (1), inlet chamber (21) and outlet chamber (16) are communicated by endoporus (17), body (1) arranges cylinder body (5), piston (7) is set in cylinder body (5), one end of the upper installing connecting rods (10) of piston (7), the length direction of connecting rod (10) is identical with piston (7) sense of motion, the other end of connecting rod (10) installs valve block (18), valve block (18) matches with endoporus (17), connection pipe (20) is installed in inlet chamber (21) end, spring (21) is set between connection pipe (20) and valve block (18), spring (21) compresses the power of endoporus (17) to all the time valve block (18), the side of inlet chamber (21) is offered and is rushed down hole (3), rush down hole (3) and be communicated with outlet chamber (16), rush down hole (3) to be communicated by the inlet end of connecting bore (41) with cylinder body (5), the cross-sectional area of valve block (18) is less than the sectional area of piston (7), the sidepiece of body (1) arranges screw (42), hole (3) is rushed down in screw (42) connection, throttling stud (2) is set in screw (42), the penetrating groove in two ends (26) are offered at the top of throttling stud (2), the vertical axis of guide (27) is set in groove (26), the axis of guide (27) is coaxial with the line of centers of throttling stud (2), groove (26) arranges rotatable lamella (25), rotatable lamella (25) midpoint is offered vertical third through-hole (28), the axis of guide (27) is through the third through-hole (28) of rotatable lamella (25), stepping motor (22) is installed in body (1) outside, the output shaft of stepping motor (22) is installed rotating disk (23), the diameter of rotating disk (23) is identical with the length of rotatable lamella (25), the end of rotating disk (23) is connected by gangbar (24) with the end of rotatable lamella (25), the two ends of gangbar (24) respectively with rotating disk (23), rotatable lamella (25) is hinged, connecting rod (10) is two sections, be connected by several riser (46) between two sections, vertically penetrating vented cavity (45) is formed between riser (46), hound (47) is set in vented cavity (45), the two ends of hound (47) connect adjacent riser (36) respectively.
2. a kind of particle Cemented filling automatic energy saving pressure device according to claim 1, it is characterized in that: the end of described body (1) is detachable end (12), periphery, end and end cap (12) periphery of body (1) all arrange coupling link (43), coupling link (43) on body (1) and the upper correspondence of the coupling link (43) of end cap (12) periphery offer open-work, arrange the tie bolt (34) cooperatively interacted and coupling nut (35) in each through-hole.
3. a kind of particle Cemented filling automatic energy saving pressure device according to claim 2, it is characterized in that: described body (1) periphery arranges set collar (44), coupling link (43) on body (1) and between set collar (44), vertical several baffle plates (36) are set, every two baffle plates (36) are one group, one group of baffle plate (36) is positioned at the both sides of tie bolt (34), outer end between one group of baffle plate (36) arranges top cover (39), top cover (39) is hinged with one of them baffle plate (36), top cover (39) is offered second through hole (31) of strip shape, the screw rod of tie bolt (34) is towards set collar (44), tie bolt (34) is equipped with nut (38), nut (38) is installed transverse sheet (29), transverse sheet (29) is offered first through hole (30) of strip shape, first through hole (30) and the second through hole (31) are all interior through riser (37), the top of riser (37) arranges upper cross plate (32), the bottom of riser (37) arranges lower cross plate (40), the length of the first through hole (30) is greater than the length of lower cross plate (40), the length of the second through hole (31) is less than the length of upper cross plate (32), upper cross plate (32) is arranged butterfly bolt (33), butterfly bolt (33) coordinates with top cover (39) through upper cross plate (32).
4. a kind of particle Cemented filling automatic energy saving pressure device according to claim 1, it is characterized in that: the straight tube (8) having guiding in the outlet side of described cylinder body (5), the projection (11) to annular is established in connecting rod (10) and straight tube (8) cooperation place, protruding (11) periphery arranges the second seal ring (9), protruding (11) and straight tube (8) close fit.
5. a kind of particle Cemented filling automatic energy saving pressure device according to claim 1, is characterized in that: described main body (1) is fixed with compression indicator (4), compression indicator (4) with rush down hole (3) and be communicated with.
6. according to the air conveyor described in claim 1, it is characterized in that: described outlet chamber (16) is connected with freeing pipe (13), described freeing pipe (13) connects the delivery duct (14) of convey materials; Check valve (15) is fixed with between freeing pipe (13) and delivery duct.
7., according to the air conveyor described in claim 1, it is characterized in that: described connection pipe (20) with inlet chamber (21) for screw thread fit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422172.8A CN104229482B (en) | 2014-08-26 | A kind of granule pipeline is fed from dynamic energy saving pressurized device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422172.8A CN104229482B (en) | 2014-08-26 | A kind of granule pipeline is fed from dynamic energy saving pressurized device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104229482A true CN104229482A (en) | 2014-12-24 |
| CN104229482B CN104229482B (en) | 2016-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600456A (en) * | 2015-11-18 | 2016-05-25 | 武汉科技大学 | Annular channel air inflow type pneumatic lifting device capable of preventing slurry outage and backflow |
| CN105921369A (en) * | 2016-06-16 | 2016-09-07 | 安庆市恒昌机械制造有限责任公司 | Material adding device and technology |
| CN108341045A (en) * | 2018-03-29 | 2018-07-31 | 南京工业职业技术学院 | Unmanned plane falling protecting device |
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|---|---|---|---|---|
| US6200071B1 (en) * | 1997-10-06 | 2001-03-13 | Applied Science Karasawa Lab. & Co., Ltd. | Transfer apparatus and transfer method for particulate material |
| US6974279B2 (en) * | 2003-10-07 | 2005-12-13 | Trinity Inudstrial Corporation | Ejector, fine solid piece recovery apparatus and fluid conveyor |
| CN101225897A (en) * | 2007-01-20 | 2008-07-23 | 马莉 | Aid blowing valve for pneumatic handling opening and closing automatically |
| CN103057964A (en) * | 2013-01-11 | 2013-04-24 | 韩香莲 | Air conveyor |
| CN203021027U (en) * | 2013-01-11 | 2013-06-26 | 韩香莲 | Pneumatic conveyor |
| CN203255742U (en) * | 2013-04-03 | 2013-10-30 | 马莉 | Novel gulp valve for pneumatic transmission |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6200071B1 (en) * | 1997-10-06 | 2001-03-13 | Applied Science Karasawa Lab. & Co., Ltd. | Transfer apparatus and transfer method for particulate material |
| US6974279B2 (en) * | 2003-10-07 | 2005-12-13 | Trinity Inudstrial Corporation | Ejector, fine solid piece recovery apparatus and fluid conveyor |
| CN101225897A (en) * | 2007-01-20 | 2008-07-23 | 马莉 | Aid blowing valve for pneumatic handling opening and closing automatically |
| CN103057964A (en) * | 2013-01-11 | 2013-04-24 | 韩香莲 | Air conveyor |
| CN203021027U (en) * | 2013-01-11 | 2013-06-26 | 韩香莲 | Pneumatic conveyor |
| CN203255742U (en) * | 2013-04-03 | 2013-10-30 | 马莉 | Novel gulp valve for pneumatic transmission |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600456A (en) * | 2015-11-18 | 2016-05-25 | 武汉科技大学 | Annular channel air inflow type pneumatic lifting device capable of preventing slurry outage and backflow |
| CN105921369A (en) * | 2016-06-16 | 2016-09-07 | 安庆市恒昌机械制造有限责任公司 | Material adding device and technology |
| CN105921369B (en) * | 2016-06-16 | 2020-06-30 | 安庆市恒昌机械制造有限责任公司 | Material adding device and process |
| CN108341045A (en) * | 2018-03-29 | 2018-07-31 | 南京工业职业技术学院 | Unmanned plane falling protecting device |
| CN108341045B (en) * | 2018-03-29 | 2024-04-09 | 南京工业职业技术学院 | Unmanned aerial vehicle protection device that falls |
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Inventor after: Dai Wenzhang Inventor after: Ma Zhiguang Inventor after: Li Hongbo Inventor after: Li Pei Inventor after: Zhang Yanyan Inventor after: Si Tailong Inventor after: Guo Jiadong Inventor after: Li Guofeng Inventor before: Qu Yang Inventor before: Yang Biao |
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