CN203904951U - Rail-mounted hydropower station water surface floating object removal system - Google Patents
Rail-mounted hydropower station water surface floating object removal system Download PDFInfo
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- CN203904951U CN203904951U CN201420315127.8U CN201420315127U CN203904951U CN 203904951 U CN203904951 U CN 203904951U CN 201420315127 U CN201420315127 U CN 201420315127U CN 203904951 U CN203904951 U CN 203904951U
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Abstract
The utility model discloses a rail-mounted hydropower station water surface floating object removal system which comprises a filtering fence, a sliding trolley, a bucket rake, an opening motor and a traction motor. A rail comprises a fence segment, a horizontal segment and an inclined segment, wherein the fence segment, the horizontal segment and the inclined segment are sequentially in smooth connection. A receiving tank is arranged on a riverway water filtration weir head. When the bucket rake is in the open state at the inclined segment, floating objects in the bucket rake fall into the receiving tank. After the rail-mounted hydropower station water surface floating object removal system reaches the certain position, the traction motor is started, the bucket rake is closed and lifted upwards, and the floating objects are dragged out by the sliding trolley and move along the rail. When the bucket rake moves to the top of the inclined segment of the rail, the opening motor switches on the bucket rake, the floating objects inside the bucket rake are dumped, the floating objects are fished and transferred at a time, and the transition time is saved; compared with an existing portal frame type trash remover, the rail-mounted hydropower station water surface floating object removal system has the advantages of being small in occupied place and free of limitation of geographical conditions, and the floating objects are directly fished ashore and are convenient to remove.
Description
Technical field
The utility model relates to a kind of sundries cleaning device of power station, specifically refers to a kind of rail mounted power station colleting garbage floated on water system.
Background technology
Generate electricity by waterpower in power station, in majority, small hydropower station carrys out diversion by diversion canal, and diversion canal is built by the mountain often, can be by the dirts such as tree skill wood on mountain after exposing to the weather, and introduce the hydraulic turbine and its blade is smashed and destroyed Hydropower Unit.Therefore to be operated in power station be very important in blowdown, data shows according to statistics: whole nation blowdown of small hydropower station in each, substantially all adopt traditional trashrack to add the mode that human assistance is removed contamination, inefficiency, often cause that water flowing is smooth, water source loss is serious, during blowdown operation, labor strength is greatly and extremely dangerous, blowdown quality is low, and destroying equipment for hydroelectric station often has generation, thereby brings serious economic loss to power station.The blowdown in China power station, is all to adopt trashrack form, and with the artificial dirt of removing, efficiency is low, often causes water flowing not smooth, water source heavy losses, and operating worker labour intensity is large and be absolutely unsafe, and filth-discharging effect is poor, and infringement power station equipment often has generation.Trash rake is applicable to clear up the utensil of floater, and trash rake is conventionally arranged on gantry row and hangs on, utilize slusher upper and lower, open and close and movement that row hangs realizes cleaning and the transfer of floater.
The cleaning of current power station floating thing has two class manner of cleaning up: 1 trash rake, the operation that the motion dependency line of trash rake hangs, in some special environment, the installation that row hangs is restricted, also just limited the use of trash rake, at the mountain area of China small hydropower station, the water surface, inefficiency are manually cleared up in main or dependence; The pick-up boat of 2 movable types, there is large, the inefficient defect of energy consumption in this salvaging mode, and is subject to the restriction of the water surface, be difficult to use, and floater exists the edge in waters often, has become the salvaging dead angle of pick-up boat in the place of water depth deficiency; 3 floating things are salvaged after disembarkation, and transhipment upset difficulty, easily causes secondary to pile up and pollute.
Utility model content
The purpose of this utility model is to provide a kind of rail mounted power station colleting garbage floated on water system, solve dependency line that current power station trash rake exists hang, use the area that is subject to geographical conditions restriction, salvages little, be limited in scope and the secondary of floating thing is transported difficult problem.
The purpose of this utility model is achieved through the following technical solutions:
A kind of rail mounted power station colleting garbage floated on water system, comprise and tilt to be arranged on the filtration fence on the head of drainage weir, river course, on described filtration fence, be provided with one group of track, sliding machine is installed between track, a bucket rake being connected through the hinge is installed on described sliding machine, bucket rake and sliding machine form the structure for bearing and installing of floating thing, at drainage weir, river course head fixing unlatching motor is installed on the bank, and traction electric machine, open the slusher place that motor is harrowed at bucket by steel cable drawknot, traction electric machine by two groups rewind mutually to steel cable drawknot at the end of bucket rake, described track comprises successively in smoothing junction fence section, horizontal segment and tilting section, on described drainage weir, river course head, is provided with a receiving slit, and bucket rake is at tilting section in opened condition time, and its inner floating thing drops in receiving slit, on described drainage weir, river course head, draw-gear is also installed, described draw-gear comprises a launching tube, the one end opening other end of launching tube forms blind end, at blind end, be provided with through wires hole, in launching tube, be provided with a push pedal, between push pedal and the blind end of launching tube, spring is installed, on described launching tube, be provided with a bar shape trench hole, in push pedal, be connected with the handle that pushes away through bar shape trench hole, also comprise a spearhead, on spearhead, be connected with pull rope, pull rope is connected with haulage gear through through wires hole, also comprise a compression motor, the output of compression motor drives rotating disk by reductor, is provided with drive rod on rotating disk, and drive rod converts the circular motion of rotating disk to the rectilinear motion that pushes away handle.The utility model utilizes existing bucket rake as the theme operation of removing contamination, traditional filtration fence is at right angle setting state, and first the utility model is transformed filtering fence, vertically arranged mode is changed into tilt to install, by bucket rake is arranged on sliding machine, realize the slip of bucket rake, bucket rake fixes on sliding machine by hinges fixing, its one end with rake teeth is for opening and closing end, by steel cable, be connected to and open on motor thereon, the other end is shorter and smaller, for end end, end end is connected on traction electric machine by steel cable, because fence is substantially in heeling condition, sliding machine is along moving up and down on track, its gravity and traction electric machine are as mobile power, and the motion mode tilting makes part gravity become the power of guiding movement, utilize and open the power that motor is opened as bucket rake, and traction electric machine is as closure, and the power promoting, during use, open motor, traction electric machine is all failure to actuate, under Action of Gravity Field, slusher moves down along track under the slip of sliding machine, while arriving certain position, utilizing unlatching motor will struggle against to harrow opens, continue down sliding, floating thing enters bucket rake, arrive behind certain position, traction electric machine starts, bucket is harrowed to the lifting of closing and make progress, floating thing is hauled out by slide trolley, and along rail moving, when bucket rake moves to tilting section track top, unlatching motor will struggle against to harrow and open, its inner floating thing is toppled over, owing to having dug receiving slit on ground, in advance floating thing transfer car(buggy) is reached in receiving slit, floating thing will directly enter floating thing car, so disposable salvaging and transhipment that completes floating thing, saved the connecting time, for the trash rake of existing gantry frame type, it has advantages of, and occupied ground is little, be not subject to geographical conditions restrictions, and floating thing directly salvages disembarkation, is convenient to cleaning, by external force, move and push away handle, pushing away handle moves along bar shape trench hole, drive push pedal is moved to the blind end of launching tube, and then Compress Spring, the pull rope of spearhead is through through wires hole, spearhead is positioned at launching tube, and near push pedal, when relieving pushes away handle, spring recovers deformation and drives push pedal to accelerate outwards to move, spearhead obtains kinetic energy and penetrates at high speed, finally fall on the floating thing of the water surface, on spearhead, there are a plurality of hangnails, be used for hanging over floating thing, owing to being deposited in floating thing on front waters, power station under the wave action of water, be easy to form staggered bonding monoblock, hook is mobile can drive large stretch of floating thing to move, utilize haulage gear that pull rope is reclaimed, can be by large-area floating thing band the drainage fence to power station, be convenient to salvage, so, the working area that has solved existing trash rake existence is limited, and broad this contradiction of floater area, greatly improved the operating efficiency of trash rake, after utilizing compression motor to drive reductor to slow down, can rotate very slow, increase moment, drive rotating disk moves in a circle, and the drive rod drive on rotating disk pushes away handle and moves in bar shape trench hole, circular motion is converted to the rectilinear motion that pushes away handle, thereby Compress Spring, replace people to drive and push away handle, realized semi-automation, reduced operating personnel's labour intensity.
Between described track, be provided with a plurality of rollers that turn to.By bending roller is set, can change in position the direction of motion and the position of steel cable, make steel cable be positioned at all the time below, do not affect the movement of dolly.
On described bucket rake, be provided with connection-peg, on sliding machine, be provided with the position switch mating with connection-peg.By connection-peg and position switch are set, the position of connection-peg and shape, size and position switch match, when rake teeth reaches the limit of position, position switch is inserted into connection-peg, position switch conducting, send position signalling, with this position signalling, be used as the control signal of motor, can realize automatic control.
Afterbody at described sliding machine is provided with cylinder.Applicant also finds a problem in experimentation repeatedly and use procedure: floating water surface foreign matter, floating thing form, volume is all not identical, in the process of salvaging, effect due to floating thing accumulation, the closure of bucket rake is very difficult, in closed process, the floating thing of opening part has just become resistance, in order to solve the in use problem of the closure difficulty of existence of existing bucket rake, inventor adopts the mode that cylinder is set at the afterbody of sliding machine, in closed process, rake teeth is around hinge through, the force transmission of rake teeth is to floating thing, floating thing rotates around cylinder under the effect of pressure, thereby it is inner or come off to enter slusher, the floating thing at rake teeth edge has not existed, can not cause resistance, thereby realize better the closure of slusher, be conducive to salvaging and the transfer of floating thing.
Tilting section top at described track is provided with limiting plate.By limiting plate is set, can prevent that bucket rake from skidding off track, guarantees safe production.
Described pushing away, on handle, be provided with rolling bearing.By rolling bearing is set, can reduce to push away the frictional force between handle and drive rod, avoid drive rod distortion, improved practicality.
Described haulage gear comprises and is connected to rope closing motor, rope closing driven by motor wheel disc, and pull rope is wrapped on wheel disc.By the rotation of wheel disc, pull rope can be wrapped on wheel disc, also avoided pull rope to be mutually wound the phenomenon of a random ball of string.
On described launching tube, be provided with a locating hole, also comprise an alignment pin matching with locating hole.By locating hole and alignment pin are set, launching tube can be adjusted to emission state, then adjust its emission angle, after all adjustment that needs regulate, extract alignment pin and just can realize the transmitting of spearhead, strengthened operability.
Also comprise a support being placed on the head of drainage weir, river course, be set with tight loop on launching tube, tight loop is connected on support by adjusting nut.By adjusting nut is set, can adjust the position of tight loop, thereby adjust the inclination angle of launching tube, be convenient to adjust the emission angle of spearhead, strengthened practicality.
The utility model compared with prior art, has following advantage and beneficial effect:
A kind of rail mounted of 1 the utility model power station colleting garbage floated on water system, open motor, traction electric machine is all failure to actuate, under Action of Gravity Field, slusher moves down along track under the slip of sliding machine, while arriving certain position, utilizing unlatching motor will struggle against to harrow opens, continue down sliding, floating thing enters bucket rake, arrive behind certain position, traction electric machine starts, bucket is harrowed to the lifting of closing and make progress, floating thing is hauled out by slide trolley, and along rail moving, when bucket rake moves to tilting section track top, unlatching motor will struggle against to harrow and open, its inner floating thing is toppled over, owing to having dug receiving slit on ground, in advance floating thing transfer car(buggy) is reached in receiving slit, floating thing will directly enter floating thing car, so disposable salvaging and transhipment that completes floating thing, saved the connecting time, for the trash rake of existing gantry frame type, it has advantages of, and occupied ground is little, be not subject to geographical conditions restrictions, and floating thing directly salvages disembarkation, is convenient to cleaning, by external force, move and push away handle, pushing away handle moves along bar shape trench hole, drive push pedal is moved to the blind end of launching tube, and then Compress Spring, the pull rope of spearhead is through through wires hole, spearhead is positioned at launching tube, and near push pedal, when relieving pushes away handle, spring recovers deformation and drives push pedal to accelerate outwards to move, spearhead obtains kinetic energy and penetrates at high speed, finally fall on the floating thing of the water surface, on spearhead, there are a plurality of hangnails, be used for hanging over floating thing, owing to being deposited in floating thing on front waters, power station under the wave action of water, be easy to form staggered bonding monoblock, hook is mobile can drive large stretch of floating thing to move, utilize haulage gear that pull rope is reclaimed, can be by large-area floating thing band the drainage fence to power station, be convenient to salvage, so, the working area that has solved existing trash rake existence is limited, and broad this contradiction of floater area, greatly improved the operating efficiency of trash rake, after utilizing compression motor to drive reductor to slow down, can rotate very slow, increase moment, drive rotating disk moves in a circle, and the drive rod drive on rotating disk pushes away handle and moves in bar shape trench hole, circular motion is converted to the rectilinear motion that pushes away handle, thereby Compress Spring, replace people to drive and push away handle, realized semi-automation, reduced operating personnel's labour intensity,
A kind of rail mounted of 2 the utility model power station colleting garbage floated on water system, by connection-peg and position switch are set, the position of connection-peg and shape, size and position switch match, when rake teeth reaches the limit of position, position switch is inserted into connection-peg, and position switch conducting, sends position signalling, with this position signalling, be used as the control signal of motor, can realize automatic control;
A kind of rail mounted of 3 the utility model power station colleting garbage floated on water system, employing arranges the mode of cylinder at the afterbody of sliding machine, in closed process, rake teeth is around hinge through, and the force transmission of rake teeth is to floating thing, floating thing rotates around cylinder under the effect of pressure, thereby it is inner or come off to enter slusher, and the floating thing at rake teeth edge has not existed, and can not cause resistance, thereby realize better the closure of slusher, be conducive to salvaging and the transfer of floating thing.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms the application's a part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of the utility model draw-gear.
Mark and corresponding component title in accompanying drawing:
1-drainage weir head, 2-filters fence, 3-sliding machine, the 4-rake that struggles against, 7-opens motor, 8-traction electric machine, 12-cylinder, 13-turns to roller, 15-connection-peg, 16-position switch, 17-fence section, 18-horizontal segment, 19-tilting section, 20-receiving slit, 21-limiting plate, 24-launching tube, 25-through wires hole, 26-push pedal, 27-spring, 28-bar shape trench hole, 29-pushes away handle, 30-spearhead, 31-pull rope, 32-rope closing motor, 33-wheel disc, 34-locating hole, 35-alignment pin, 36-support, 37-tight loop, 38-adjusting nut, 39-compression motor, 40-reductor, 41-rotating disk, 42-drive rod, 43-rolling bearing.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment
As shown in Fig. 1 to 2, a kind of rail mounted of the utility model power station colleting garbage floated on water system, comprise the filtration fence 2 being arranged on 1 pipelined channel of drainage weir, traditional filtration fence 2 is at right angle setting state, and first the utility model is transformed filtering fence 2, vertically arranged mode is changed into tilt to install, then on filtration fence 2, two tracks are installed and are formed one group of running orbit, track is divided into three parts: be positioned at the fence section 17 on drainage fence 2, be positioned at the horizontal segment 18 on 1 earth's surface, drainage weir, and the tilting section 19 that is obliquely installed and raises gradually from horizontal segment 18, the gradient of tilting section 19 is larger, in the higher position of tilting section 19, be provided with limiting plate 21, sliding position for limit slippage dolly 3, on drainage weir, 1 earth's surface has dug a feeder 20, and the bottom of feeder 20 has the gradient, sailing into and outputing for floating thing car, after bucket rake enters into tilting section 19 along track, the opening of bucket rake 4 is over against feeder 20, the sliding machine 3 of slip is installed in orbit, sliding machine 3 adopts frame construction, its bottom is provided with scroll wheel, and the position, end of sliding machine 3 is provided with cylinder 12, and bucket rake 4 is installed on sliding machine 3, bucket rake 4 is connected through the hinge on sliding machine 3, rake teeth one end of bucket rake 4, for opening and closing end, is connected to and is opened on motor 7 by steel cable thereon, and the other end is shorter and smaller, for end end, end end is connected on traction electric machine 8 by steel cable, between two tracks, top is provided with a plurality of bending rollers 13, opens the steel cable of motor 7, positive and negative two groups of steel cables of traction electric machine 8 are connected on bucket rake 4 and sliding machine 3 after walking around respectively bending roller 13, on bucket rake 4, be provided with connection-peg 15, on sliding machine 3, be provided with the position switch 16 mating with connection-peg 15, the position of connection-peg 15 and shape, size and position switch 16 match, when rake teeth reaches the limit of position, position switch 16 is inserted into connection-peg 15, position switch 16 conductings, send position signalling, with this position signalling, be used as the control signal of motor, on the ground on drainage weir 1, draw-gear is installed, comprise the support 36 being placed in fixed platform 5, also comprise launching tube 24, on launching tube 24, be set with a tight loop 37, the lower ending opening of tight loop 37 also extends to form connecting portion downwards, on connecting portion, be provided with through hole, tight loop 37 is arranged on support 36, fixing by adjusting nut 38, launching tube 24 is cylindric, the one end opening other end forms blind end, at blind end, be provided with through wires hole 25, in launching tube 24, be provided with a push pedal 26, between push pedal 26 and the blind end of launching tube 24, spring 27 is installed, the two ends of spring 27 are separately fixed at push pedal 26, on the blind end of launching tube 24, on launching tube 24, be provided with a bar shape trench hole 28, in push pedal 26, be connected with and push away handle 29 through bar shape trench hole 28, pushing away handle 29 can move freely in bar shape trench hole 28, on handle 29, be set with rolling bearing 43 pushing away, also be provided with a compression motor 39, the output of compression motor 39 drives rotating disk 41 by reductor 40, on rotating disk 41, be provided with drive rod 42, drive rod 42 converts the circular motion of rotating disk 41 to the rectilinear motion that pushes away handle 29, a spearhead 30 is also equipped with, on spearhead 30, be provided with more than one hangnail structure, be used for hooking floating thing, the afterbody of spearhead 30 is connected with pull rope 31, pull rope 31 is wrapped on wheel disc 33 through through wires hole 25, wheel disc 33 drives by rope closing motor 32, on launching tube 24, be provided with a locating hole 34, and be equipped with an alignment pin 35, during use, first start compression motor 39, compression motor 39 drives rotating disk 41 to rotate after reductor 40 is regulated the speed, drive rod 42 on rotating disk 41 acts on rolling bearing 43, promotion pushes away handle 29, pushing away handle 29 moves along bar shape trench hole 28, drive push pedal 26 is moved to the blind end of launching tube 24, and then Compress Spring 27, the pull rope 31 of spearhead 30 is through through wires hole 25, spearhead 30 is positioned at launching tube, when locating hole 34 has been passed through in push pedal, to the interior insertion alignment pin 35 of locating hole 34, then by adjusting nut 38, regulate inclination angle and the direction of launching tube 24, complete transmitting and prepare, extract alignment pin 35 out, spring 27 recovers deformation and drives push pedal 26 to accelerate outwards to move, spearhead 30 obtains kinetic energy and penetrates at high speed, finally fall on the floating thing of the water surface, a plurality of hangnails on spearhead hang on floating thing, owing to being deposited in floating thing on front waters, power station under the wave action of water, be easy to form staggered bonding monoblock, hook is mobile can drive large stretch of floating thing to move, utilize rope closing motor 32 that pull rope 31 is reclaimed, can be by large-area floating thing band the drainage fence to power station, be convenient to salvage, through actual measurement, the transmitting range of spearhead 30 is 50～80 meters, can use by a plurality of launching tubes 24 simultaneously, can carry out from different positions the traction of rubbish, the salvaging of auxiliary rubbish, bucket rake 4 is salvaged and not limited by place, portal frame need not be installed and go and hang, greatly saved space.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a rail mounted power station colleting garbage floated on water system, it is characterized in that: comprise and tilt to be arranged on the filtration fence (2) on drainage weir, river course head (1), on described filtration fence (2), be provided with one group of track, sliding machine (3) is installed between track, a bucket rake (4) being connected through the hinge is installed on described sliding machine, bucket rake (4) and sliding machine (3) form the structure for bearing and installing of floating thing, at the fixing unlatching motor (7) of being provided with on the bank of drainage weir, river course head (1), and traction electric machine (8), open motor (7) and by steel cable drawknot, at bucket, harrow the slusher place of (4), traction electric machine (8) by two groups rewind mutually to steel cable drawknot at the end of bucket rake (4), described track comprises fence section (17), horizontal segment (18) and tilting section (19) in smoothing junction successively, on described drainage weir, river course head (1), be provided with a receiving slit (20), bucket rake (4) is at tilting section (19) in opened condition time, and its inner floating thing drops in receiving slit (20), on described drainage weir, river course head (1), draw-gear is also installed, described draw-gear comprises a launching tube (24), the one end opening other end of launching tube (24) forms blind end, at blind end, be provided with through wires hole (25), in launching tube (24), be provided with a push pedal (26), between push pedal (26) and the blind end of launching tube (24), spring (27) is installed, on described launching tube (24), be provided with a bar shape trench hole (28), in push pedal (26), be connected with and push away handle (29) through bar shape trench hole (28), also comprise a spearhead (30), on spearhead (30), be connected with pull rope (31), pull rope (31) is connected with haulage gear through through wires hole (25), also comprise a compression motor (39), the output of compression motor (39) drives rotating disk (41) by reductor (40), on rotating disk (41), be provided with drive rod (42), drive rod (42) converts the circular motion of rotating disk (41) to push away handle (29) rectilinear motion.
2. a kind of rail mounted according to claim 1 power station colleting garbage floated on water system, is characterized in that: between described track, be provided with a plurality of rollers (13) that turn to.
3. a kind of rail mounted according to claim 2 power station colleting garbage floated on water system, is characterized in that: on described bucket rake (4), be provided with connection-peg (15), on sliding machine (3), be provided with the position switch (16) mating with connection-peg (15).
4. a kind of rail mounted according to claim 1 power station colleting garbage floated on water system, is characterized in that: the afterbody at described sliding machine (3) is provided with cylinder (12).
5. a kind of rail mounted according to claim 1 power station colleting garbage floated on water system, is characterized in that: tilting section (19) top at described track is provided with limiting plate (21).
6. according to a kind of rail mounted power station colleting garbage floated on water system described in any one in claim 1 to 5, it is characterized in that: described pushing away, on handle (29), be provided with rolling bearing (43).
7. a kind of rail mounted according to claim 6 power station colleting garbage floated on water system, it is characterized in that: described haulage gear comprises and is connected to rope closing motor (32), rope closing motor (32) drives wheel disc (33), and pull rope (31) is wrapped on wheel disc (33).
8. a kind of rail mounted according to claim 6 power station colleting garbage floated on water system, is characterized in that: on described launching tube (24), be provided with a locating hole (34), also comprise an alignment pin (35) matching with locating hole (34).
9. a kind of rail mounted according to claim 6 power station colleting garbage floated on water system, it is characterized in that: also comprise a support (36) being placed on drainage weir, river course head (1), on launching tube (24), be set with tight loop (37), tight loop (37) is connected on support (36) by adjusting nut (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420315127.8U CN203904951U (en) | 2014-06-14 | 2014-06-14 | Rail-mounted hydropower station water surface floating object removal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420315127.8U CN203904951U (en) | 2014-06-14 | 2014-06-14 | Rail-mounted hydropower station water surface floating object removal system |
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| CN203904951U true CN203904951U (en) | 2014-10-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916654A (en) * | 2017-10-24 | 2018-04-17 | 芜湖新兴铸管有限责任公司 | Device for dragging dregs |
| CN108706341A (en) * | 2018-04-19 | 2018-10-26 | 徐朝干 | A kind of hickory nut strainer |
| CN108715317A (en) * | 2018-06-29 | 2018-10-30 | 聊城安泰黄河水利工程维修养护有限公司 | A kind of riverbed automatic material conveying device |
-
2014
- 2014-06-14 CN CN201420315127.8U patent/CN203904951U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916654A (en) * | 2017-10-24 | 2018-04-17 | 芜湖新兴铸管有限责任公司 | Device for dragging dregs |
| CN107916654B (en) * | 2017-10-24 | 2023-10-24 | 芜湖新兴铸管有限责任公司 | Slag dragging device |
| CN108706341A (en) * | 2018-04-19 | 2018-10-26 | 徐朝干 | A kind of hickory nut strainer |
| CN108706341B (en) * | 2018-04-19 | 2023-12-08 | 杭州千龙实业有限公司 | Hickory nut scooping device |
| CN108715317A (en) * | 2018-06-29 | 2018-10-30 | 聊城安泰黄河水利工程维修养护有限公司 | A kind of riverbed automatic material conveying device |
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Granted publication date: 20141029 Termination date: 20180614 |