CN112023571A - A high-efficient conveyer that is used for coal mining to have dust fall mechanism - Google Patents
A high-efficient conveyer that is used for coal mining to have dust fall mechanism Download PDFInfo
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- CN112023571A CN112023571A CN202010882906.6A CN202010882906A CN112023571A CN 112023571 A CN112023571 A CN 112023571A CN 202010882906 A CN202010882906 A CN 202010882906A CN 112023571 A CN112023571 A CN 112023571A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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Abstract
The invention relates to the technical field of transportation equipment, in particular to a high-efficiency transportation device with a dust falling mechanism for coal mining, which comprises a transportation device main body and an electric telescopic rod, wherein the transportation device main body comprises a transportation support plate, a hand push rod is fixedly arranged at the top end of the transportation support plate, movable pulleys are fixedly arranged at four corners of the bottom end of the transportation support plate, and a baffle is fixedly arranged at one side of the transportation support plate. According to the invention, the high-pressure water tank, the PVC water delivery pipe, the gooseneck, the water spraying barrel, the trace spray head, the fixing block, the elastic clamp ring, the bolt and the screw are arranged, the trace spray head sprays in a mist shape in an appointed direction, dust in air is reduced, the dust and water mist are mixed and fall and settle, a good dust fall effect is achieved, the elastic clamp ring clamps the PVC water delivery pipe, a supporting effect is achieved, the screw is prevented from loosening, a large amount of dust generated when coal slag impacts the ground is greatly reduced through the water mist dust fall mechanism, and the health of workers is protected.
Description
Technical Field
The invention relates to the technical field of transportation equipment, in particular to a high-efficiency transportation device with a dust falling mechanism for coal mining.
Background
Transportation refers to the logistics of transporting objects from one location to another using specific equipment and tools, and is the spatial displacement of objects in different geographical areas with the purpose of changing the spatial position of the objects. The space benefit of the commodity is created through the displacement, the use value of the commodity is realized, and different requirements of the society are met. Coal mines are areas where people mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and strip coal mines, when a coal seam is far away from the ground surface, coal is generally mined into underground excavation roadways, which are the underground coal mines, and when the coal seam is very close to the ground surface, coal is generally mined by directly stripping a surface soil layer, which is the strip coal mines, and most coal mines in China belong to the underground coal mines.
Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most main solid fuel, is one kind of combustible organic rock, and is formed by the natural coalification of a long geological age of luxuriant plants which grow in a certain geological age, are gradually accumulated into a thick layer in a proper geological environment, and are buried in the water bottom or silt.
In the exploitation of coal, general staff can transport the coal of exploitation through the colliery dolly, but, current coal mine conveyer is empting the in-process, takes place the impact with ground, can produce a large amount of dusts and raise, and these dusts and air mix are inhaled by the staff easily in a large number, seriously harm staff's health, consequently, need design a high-efficient conveyer that has a dust fall mechanism for coal mining in order to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide an efficient transportation device with a dust falling mechanism for coal mining, and aims to solve the problems that the existing coal mine transportation device in the background art generates a large amount of dust and rises when impacting the ground in the dumping process, and the dust is mixed with air and is easily sucked by a large amount of workers, so that the health of the workers is seriously harmed.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency transportation device with a dust falling mechanism for coal mining comprises a transportation device main body and an electric telescopic rod, wherein the transportation device main body comprises a transportation support plate, a hand push rod is fixedly mounted at the top end of the transportation support plate, moving pulleys are fixedly mounted at four corners of the bottom end of the transportation support plate, a baffle is fixedly mounted at one side of the transportation support plate, a control template is fixedly mounted at the front side of the baffle, a water mist dust falling mechanism is fixedly mounted at one side of the transportation support plate and comprises a fixing block, a PVC (polyvinyl chloride) water pipe and a high-pressure water tank, the PVC water pipe is fixedly inserted into two sides of the high-pressure water tank, a gooseneck pipe is inserted into the top end of the PVC water pipe, a trace spray nozzle is fixedly mounted at the top end of the gooseneck pipe, a water spray drum is fixedly mounted at one side of the trace spray nozzle, and the bottom, the top end of the transportation support plate is fixedly provided with a dumping mechanism.
Preferably, one side fixed mounting of fixed block has snap ring, the screw has been inserted to snap ring's one side screw thread, the bolt is installed to the one end screw thread of screw, the fixed block is close to one side fixed connection with the transportation mounting panel each other.
Preferably, it includes end planker, backup plate, coal charge storage bucket and concave cardboard to empty the mechanism, one side fixed mounting on end planker top has the backup plate, the top fixed mounting of end planker has concave cardboard, the inside of concave cardboard has placed the coal charge and has stored the bucket, the positive fixed mounting of backup plate has the rectangular plate, the front of rectangular plate is rotated and is installed branch and No. two branches, No. two branches are kept away from the one end rotation of rectangular plate and are installed the fixed plate No. one, No. one branch is kept away from the one end rotation of rectangular plate and is installed the fixed plate No. two, one side of a branch is rotated and is installed electric telescopic handle, the top fixed mounting of backup plate has horizontal pin.
Preferably, the top end of the coal storage barrel is connected with a first cover plate through a rotating shaft, one side of the first cover plate is hinged with a second cover plate, the top end of the second cover plate is fixedly provided with a handle, and one side of the bottom carriage is fixedly connected with one side of the transportation support plate.
Preferably, two sides of the inside of the concave clamping plate are provided with two empty grooves, an inserting rod is inserted into the two empty grooves, the surface of the inserting rod is sleeved with a second spring, and one end of the inserting rod is fixedly provided with a button.
Preferably, two ends of the second spring are fixedly provided with a second limiting plate, and the inside of the second limiting plate is fixedly connected with the outer side of the inserted rod.
Preferably, an empty groove has been seted up to coal charge storage bucket bottom both sides, the inside fixed mounting of a fixed plate has a spring, the one end fixed mounting of a spring has a limiting plate, the one end fixed mounting of a limiting plate has the fixture block.
Preferably, one side of the clamping block is in an inclined plane shape, and the length of the top end of the clamping block is larger than that of the bottom end of the clamping block.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with high-pressure water tank, the PVC raceway, the gooseneck, a spray cylinder, the trace shower nozzle, the fixed block, the snap ring, bolt and screw, the trace shower nozzle presents vaporific spraying to appointed direction, reduce dust in the air, dust and water smoke mix whereabouts and subside, reach good dust fall effect, the snap ring presss from both sides tightly the PVC raceway, reach the effect of support, thereby prevent that the screw pine from taking off, produce a large amount of dusts when striking through water smoke dust fall mechanism greatly reduced cinder and ground, protection staff's health.
2. Through being provided with backup plate, end planker, electric telescopic handle, branch, No. two fixed plates, a fixed plate, No. two branches, rectangular plate, concave type cardboard, coal charge storage bucket, horizontal pin can keep off the top that the coal charge stored the bucket, guarantee that the coal charge stores bucket stability, can all empty out with the inside cinder of coal charge storage bucket rapidly, saved staff's physical power, improve the efficiency of empting.
3. Through being provided with horizontal pin, an apron, No. two apron, the handle, a spring, an empty groove, a limiting plate, the fixture block, No. two limiting plates, the inserted bar, No. two springs, No. two empty grooves and button, an apron and handle lid are on the top of coal charge storage bucket, prevent that the coal charge storage bucket from shifting out at the process cinder that removes, No. two limiting plates can guarantee that No. two springs are extruded, can rebound automatically when losing external force, and the operation is simple, the staff of being convenient for installs and dismantles the coal charge storage bucket.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a right side schematic view of the structure of the present invention;
FIG. 3 is a schematic left side view of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic top view of the storage barrel of the present invention;
fig. 6 is an enlarged view of a portion of the structure at B in fig. 2 according to the present invention.
In the figure: 100. a transportation device main body; 110. transporting the support plate; 120. a handspike; 130. a movable pulley; 140. a baffle plate; 150. a control template; 200. a water mist dust falling mechanism; 210. a high pressure water tank; 211. PVC water delivery pipes; 212. a gooseneck; 213. a water spray cylinder; 214. a micro-amount spray head; 215. a fixed block; 216. an elastic snap ring; 217. a bolt; 218. a screw; 300. a dumping mechanism; 310. a backup plate; 311. a bottom carriage; 312. an electric telescopic rod; 313. a first strut; 314. a second fixing plate; 315. a first fixing plate; 316. a second strut; 317. a rectangular plate; 318. a concave card board; 319. a coal storage barrel; 320. a transverse bar; 321. a first cover plate; 322. a second cover plate; 323. a handle; 324. a first spring; 325. a first empty slot; 326. a first limiting plate; 327. a clamping block; 328. a second limiting plate; 329. inserting a rod; 330. a second spring; 331. a second empty groove; 332. a button.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown:
a high-efficiency transportation device with a dust falling mechanism for coal mining comprises a transportation device main body 100 and an electric telescopic rod 312, wherein the electric telescopic rod 312 used in the invention is of a type which can be directly purchased in the market, and the specific working principle of the electric telescopic rod is the prior art which is well known to persons in the field, so the operation principle is not described again, the transportation device main body 100 comprises a transportation support plate 110, a hand push rod 120 is fixedly arranged at the top end of the transportation support plate 110, moving pulleys 130 are fixedly arranged at four corners at the bottom end of the transportation support plate 110, a baffle 140 is fixedly arranged at one side of the transportation support plate 110, a control template 150 is fixedly arranged at the front of the baffle 140, a water mist dust falling mechanism 200 is fixedly arranged at one side of the transportation support plate 110, the water mist dust falling mechanism 200 comprises a fixed block 215, a PVC water conveying pipe 211 and a high-pressure water tank 210, the top of PVC raceway 211 inserts gooseneck 212, the top fixed mounting of gooseneck 212 has trace shower nozzle 214, one side fixed mounting of trace shower nozzle 214 has a spray drum 213, high-pressure water tank 210's bottom and transportation mounting panel 110 top fixed connection, the top fixed mounting of transportation mounting panel 110 has topples over mechanism 300, through control template 150, high-pressure water tank 210 is inside to deliver water source to PVC raceway 211 through high pressure water pump, gooseneck 212 can control spray drum 213 rotation direction, adjust the direction of spray drum 213, open the control water valve, the water source gets into spray drum 213, it sprays to present vaporific from trace shower nozzle 214 to appointed direction, reduce dust in the air, dust and the mixed whereabouts of fog subsides, reach good dust fall effect.
Further, one side fixed mounting of fixed block 215 has snap ring 216, screw 218 has been inserted to one side screw thread of snap ring 216, bolt 217 is installed to the one end screw thread of screw 218, the one side that fixed block 215 is close to each other and one side fixed connection of transportation mounting panel 110, with the inside of PVC raceway 211 card income snap ring 216, through rotatory screw 218, reduce snap ring 216 opening, press from both sides tight PVC raceway 211, reach the effect of support, screw 218 opposite side is rotatory bolt 217 on screw 218, prevent that screw 218 from loosening and taking off.
Further, the dumping mechanism 300 comprises a bottom dragging plate 311, a backup plate 310, a coal storage barrel 319 and a concave clamping plate 318, the backup plate 310 is fixedly installed on one side of the top end of the bottom dragging plate 311, the concave clamping plate 318 is fixedly installed on the top end of the bottom dragging plate 311, the coal storage barrel 319 is placed inside the concave clamping plate 318, a rectangular plate 317 is fixedly installed on the front surface of the backup plate 310, a first supporting rod 313 and a second supporting rod 316 are rotatably installed on the front surface of the rectangular plate 317, a first fixing plate 315 is rotatably installed at one end, far away from the rectangular plate 317, of the second supporting rod 316, a second fixing plate 314 is rotatably installed at one end, far away from the rectangular plate 317, an electric telescopic rod 312 is rotatably installed on one side of the first supporting rod 313, a transverse blocking rod 320 is fixedly installed at the top end of the backup plate 310, the electric telescopic rod 312 is automatically stretched, the electric telescopic rod 312 is stretched, and, thereby driving backup plate 310 and end tow board 311 and continuous rising and to the lopsidedness that is close to water smoke dust fall mechanism 200, when inclining to the maximum angle, coal charge storage barrel 319 is by perpendicular to the level, coal charge storage barrel 319 opening is emptyd to one side, horizontal pin 320 blocks the top of coal charge storage barrel 319, guarantee coal charge storage barrel 319 stability, can pour out the inside cinder of coal charge storage barrel 319 is whole rapidly, staff's physical power has been saved, the efficiency of empting is improved.
Furthermore, the top of the coal storage barrel 319 is connected with a cover plate 321 through a rotating shaft, one side of the cover plate 321 is hinged with a cover plate 322 II, the top end of the cover plate 322 II is fixedly provided with a handle 323, one side of the bottom dragging plate 311 is fixedly connected with one side of the transportation support plate 110, the cover plate 321 and the handle 323 can be folded, the handle 323 and the cover plate 321 are folded together by holding the handle 323, then the opening of the coal storage barrel 319 is opened outwards, the coal storage barrel 319 is filled with coal slag, the cover plate 321 and the handle 323 are covered on the top end of the coal storage barrel 319, and the coal slag is prevented from being moved out of the coal storage barrel 319 in the moving process.
Furthermore, No. two dead slots 331 are formed in two sides of the inside of the concave clamping plate 318, an inserting rod 329 is inserted into the inside of the No. two dead slots 331, a No. two spring 330 is installed on the surface of the inserting rod 329 in a sleeved mode, a button 332 is fixedly installed at one end of the inserting rod 329, the button 332 pushes the inserting rod 329 by squeezing the button 332, so that the inside No. two spring 330 is squeezed, the inserting rod 329 moves forwards, the inserting rod 329 is loosened, and the No. two spring 330 automatically rebounds to the original position.
Further, No. two limiting plates 328 are fixedly mounted at two ends of the second spring 330, the inside of the second limiting plate 328 is fixedly connected with the outer side of the inserted rod 329, and the second limiting plate 328 can ensure that the second spring 330 is extruded and can automatically rebound when external force is lost.
Furthermore, an empty groove 325 is formed in two sides of the bottom end of the coal storage barrel 319, a spring 324 is fixedly mounted inside the first fixing plate 315, a first limiting plate 326 is fixedly mounted at one end of the spring 324, a fixture block 327 is fixedly mounted at one end of the first limiting plate 326, the coal storage barrel 319 is placed on the concave clamping plate 318, the fixture block 327 extrudes the inner first spring 324 by extruding the fixture block 327, the fixture block 327 retreats to extrude into the inner part of the first empty groove 325, when the concave clamping plate 318 is reached, the fixture block 327 is popped out by the first spring 324 and then is clamped into the inner part of the second limiting plate 328, so that the position of the coal storage barrel 319 is fixed, and the coal storage barrel 319 is convenient to mount and dismount.
Furthermore, one side of the latch 327 is in an inclined plane shape, the length of the top end of the latch 327 is greater than the length of the bottom end of the latch 327, the inclined plane at one end of the latch 327 ensures that the latch 327 is latched in the second limiting plate 328, and the length of the top end of the latch 327 is greater than the length of the bottom end of the latch 327, so that the rectangular plate 317 cannot be pulled out upward.
The working principle is as follows: the worker puts the coal storage barrel 319 on the concave clamping plate 318, the clamping block 327 extrudes the first spring 324 inside by extruding the clamping block 327, the clamping block 327 retreats and extrudes into the first hollow groove 325, when the concave clamping plate 318 is reached, the clamping block 327 is ejected by the first spring 324 and then is clamped into the second limiting plate 328, the inclined surface at one end of the clamping block 327 ensures that the clamping block 327 is clamped into the second limiting plate 328, the length of the top end of the clamping block 327 is larger than that of the bottom end, so that the rectangular plate 317 cannot be pulled out upwards, the position of the coal storage barrel 319 is fixed, the handle 323 and the first cover plate 321 are folded together by holding the handle 323 by hand, then the opening of the coal storage barrel 319 is opened outwards, the coal storage barrel 319 is filled with coal cinder, the first cover plate 321 and the handle 323 are covered on the top end of the coal storage barrel 319, the coal storage barrel 319 is transported to a designated place, the electric telescopic rod 312 is automatically stretched, the first support rod 313 and the second support rod 316 on the two sides are pushed to push upwards, so that the backup plate 310 and the bottom mop plate 311 are driven to continuously rise and incline towards one side close to the water mist dust settling mechanism 200, when the backup plate and the bottom mop plate incline to the maximum angle, the coal storage barrel 319 is inclined from vertical to horizontal, the opening of the coal storage barrel 319 inclines towards one side, the transverse stop rod 320 blocks the top end of the coal storage barrel 319, the stability of the coal storage barrel 319 when the coal storage barrel 319 inclines is ensured, coal slag is poured into a designated position through the opening of the coal storage barrel 319, then the electric telescopic rod 312 contracts, the first support rod 313 and the second support rod 316 move downwards, the backup plate 310 with the coal storage barrel 319 returns to the original position to complete automatic pouring operation, the button 332 is pushed to push the inserted rod 329, so that the second spring 330 inside is extruded, the inserted rod 329 moves forwards, the rectangular plate 317 is extruded inwards, and the coal storage barrel 319 is convenient to move out, the second spring 330 automatically springs back to its original position by releasing the plunger 329.
The staff sets for control template 150 in advance, the preceding dust density of control conveyer main part 100, reach the alert value when dust density, automatically connect high-pressure water tank 210, high-pressure water tank 210 is inside to pass through high pressure water pump delivery water source to PVC raceway 211, gooseneck 212 can control the sprinkler bead 213 rotation direction, adjust the direction of sprinkler bead 213, open the control water valve, the water source gets into sprinkler bead 213, it sprays to present vaporific from micro-sprinkler 214 to appointed direction, reduce dust in the air, go into the inside of circlip 216 with PVC raceway 211 card, through rotatory screw 218, reduce circlip 216 opening, press from both sides tightly PVC raceway 211, reach the effect that supports, screw 218 opposite side is rotatory bolt 217 on screw 218.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A high-efficient conveyer with dust fall mechanism for coal mining, includes conveyer main part (100), its characterized in that: the transportation device comprises a transportation support plate (100), a hand push rod (120) is fixedly mounted at the top end of the transportation support plate (110), movable pulleys (130) are fixedly mounted at four corners of the bottom end of the transportation support plate (110), a baffle (140) is fixedly mounted at one side of the transportation support plate (110), a control template (150) is fixedly mounted at the front side of the baffle (140), a water mist dust-settling mechanism (200) is fixedly mounted at one side of the transportation support plate (110), the water mist dust-settling mechanism (200) comprises a fixed block (215), a PVC water pipe (211) and a high-pressure water tank (210), PVC water pipes (211) are fixedly inserted into two sides of the high-pressure water tank (210), gooseneck pipes (212) are inserted into the top ends of the PVC water pipes (211), and micro spray heads (214) are fixedly mounted at the top ends of the gooseneck pipes (212), one side fixed mounting of trace shower nozzle (214) has a spray cylinder (213), the bottom and the transportation mounting panel (110) top fixed connection of high-pressure water tank (210), the top fixed mounting of transportation mounting panel (110) has topples over mechanism (300).
2. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 1 wherein: one side fixed mounting of fixed block (215) has circlip (216), screw (218) have been inserted to one side screw thread of circlip (216), bolt (217) are installed to the one end screw thread of screw (218), one side and one side fixed connection of transportation mounting panel (110) that fixed block (215) are close to each other.
3. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 1 wherein: the dumping mechanism (300) comprises a bottom dragging plate (311), a backup plate (310), a coal storage barrel (319) and a concave clamping plate (318), wherein the backup plate (310) is fixedly installed on one side of the top end of the bottom dragging plate (311), the concave clamping plate (318) is fixedly installed on the top end of the bottom dragging plate (311), the coal storage barrel (319) is placed inside the concave clamping plate (318), a rectangular plate (317) is fixedly installed on the front surface of the backup plate (310), a first supporting rod (313) and a second supporting rod (316) are installed on the front surface of the rectangular plate (317) in a rotating mode, a first fixing plate (315) is installed on one end, far away from the rectangular plate (317), of the second supporting rod (316) in a rotating mode, a second fixing plate (314) is installed on one end, far away from the rectangular plate (317), and an electric telescopic rod (312) is installed on one side of the first supporting rod (, and a transverse stop lever (320) is fixedly arranged at the top end of the backup plate (310).
4. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 3 wherein: the top of coal storage bucket (319) is connected with apron (321) No. one through the pivot, the articulated No. two apron (322) of installing in one side of apron (321), the top fixed mounting of No. two apron (322) has handle (323), one side and one side fixed connection of transportation mounting panel (110) of bottom planker (311).
5. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 3 wherein: a second empty groove (331) is formed in two sides of the interior of the concave clamping plate (318), an inserting rod (329) is inserted into the second empty groove (331), a second spring (330) is installed on the surface of the inserting rod (329) in a sleeved mode, and a button (332) is fixedly installed at one end of the inserting rod (329).
6. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 5 wherein: two ends of the second spring (330) are fixedly provided with a second limiting plate (328), and the inside of the second limiting plate (328) is fixedly connected with the outer side of the inserted rod (329).
7. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 6 wherein: bucket (325) have been seted up to coal charge storage bucket (319) bottom both sides, the inside fixed mounting of a fixed plate (315) has a spring (324), the one end fixed mounting of a spring (324) has a limiting plate (326), the one end fixed mounting of a limiting plate (326) has fixture block (327).
8. A high efficiency conveyor with a dust fall mechanism for coal mining as claimed in claim 7 wherein: one side of the fixture block (327) is in an inclined plane shape, and the length of the top end of the fixture block (327) is greater than that of the bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882906.6A CN112023571A (en) | 2020-08-28 | 2020-08-28 | A high-efficient conveyer that is used for coal mining to have dust fall mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882906.6A CN112023571A (en) | 2020-08-28 | 2020-08-28 | A high-efficient conveyer that is used for coal mining to have dust fall mechanism |
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| Publication Number | Publication Date |
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| CN112023571A true CN112023571A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010882906.6A Withdrawn CN112023571A (en) | 2020-08-28 | 2020-08-28 | A high-efficient conveyer that is used for coal mining to have dust fall mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590831A (en) * | 2021-01-15 | 2021-04-02 | 深圳市纳百晟科技有限公司 | High-efficient coal unloading carriage and coal unloading device of dust fall |
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| CN210810388U (en) * | 2019-11-15 | 2020-06-23 | 浙江文武彩印股份有限公司 | Novel folding dish cover |
| CN210852597U (en) * | 2019-12-04 | 2020-06-26 | 吕庆 | Solid waste handles uses dolly instead |
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|---|---|---|---|---|
| DE102005026571A1 (en) * | 2005-06-08 | 2006-12-21 | Walter Meinl | Powered wheelbarrow for e.g. building site, landscaping or gardening has lower trailing arm with hydraulic lifting jack to main frame |
| US20110272924A1 (en) * | 2010-05-04 | 2011-11-10 | Kilen Scott R | Wheelbarrow |
| CN210088399U (en) * | 2019-05-17 | 2020-02-18 | 山西大学 | Intelligent household control device |
| CN210634583U (en) * | 2019-10-18 | 2020-05-29 | 禹州市雍梁水泥有限公司 | Transfer device for cement kiln waste |
| CN210810388U (en) * | 2019-11-15 | 2020-06-23 | 浙江文武彩印股份有限公司 | Novel folding dish cover |
| CN210852597U (en) * | 2019-12-04 | 2020-06-26 | 吕庆 | Solid waste handles uses dolly instead |
| CN111573077A (en) * | 2020-07-08 | 2020-08-25 | 河北省冀信环保科技有限公司 | Intelligence sanitation garbage bin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112590831A (en) * | 2021-01-15 | 2021-04-02 | 深圳市纳百晟科技有限公司 | High-efficient coal unloading carriage and coal unloading device of dust fall |
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Application publication date: 20201204 |