CN109356588A - A kind of underwater roughing wheel and bucket type gold dredger - Google Patents
A kind of underwater roughing wheel and bucket type gold dredger Download PDFInfo
- Publication number
- CN109356588A CN109356588A CN201811257817.1A CN201811257817A CN109356588A CN 109356588 A CN109356588 A CN 109356588A CN 201811257817 A CN201811257817 A CN 201811257817A CN 109356588 A CN109356588 A CN 109356588A
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- Prior art keywords
- main
- bucket
- underwater
- wheel
- main hull
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000010931 gold Substances 0.000 title claims abstract description 26
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 26
- 239000004576 sand Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000012216 screening Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 241000209094 Oryza Species 0.000 claims 3
- 235000007164 Oryza sativa Nutrition 0.000 claims 3
- 235000009566 rice Nutrition 0.000 claims 3
- 238000005065 mining Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
- E21C50/02—Obtaining minerals from underwater, not otherwise provided for dependent on the ship movements
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Centrifugal Separators (AREA)
Abstract
The present invention provides a kind of underwater roughing wheel and bucket type gold dredgers, belong to technical field of mining equipment, including main wheel bucket, main hull, sieve material device, screen centrifuge mine machine, sand pump, generating set and fine sand feed bin, the main wheel bucket is connect by body frame and main bridge with main hull, the sieve material device is located at right side, the screen centrifuge mine machine is mounted on above main hull, the sand pump is mounted on above main hull, the generating set is mounted on above main hull, the fine sand feed bin is mounted below main wheel bucket, the present invention, by being provided with longitude and latitude position indicator on device, so that device route in mining process is more accurate, it is not in owe to adopt and cross the phenomenon that adopting；And pass through setting sieve material device and screen centrifuge mine machine, so that can carry out secondary to placer and screen, saved the time while also saved manually three times, greatly improve working efficiency in mining process.
Description
Technical field
The present invention relates to a kind of gold dredger, specifically a kind of underwater roughing wheel and bucket type gold dredger.
Background technique
Gold dredger is a kind of selecting Unit erriger for being built on engineering flatboat and floating on the water surface, it generally comprises digging
Pick, washup, tailing such as dump and supply water, power, is traversing the systems, specialize in the ship of exploitation gold, platinum and diamond etc., equipped with adopting
The equipment such as the systems such as pick, ore dressing, water supply, manipulation and electrical, life can utilize the production technology finished product gold on ship.
Traditional bucket-ladder gold dredger, equipment volume is often excessively huge, and not only equipment manufacturing cost is expensive, while every time
Also expensive expense is faced when use；Mobility when its work simultaneously is poor, it is possible that owing to adopt in recovery process
Or the phenomenon that adopting is spent, mining rate bottom and working efficiency is relatively relatively low.
Summary of the invention
In view of the above shortcomings of the prior art, simple, work that the technical problem to be solved in the present invention is to provide a kind of structures
High-efficient underwater roughing wheel and bucket type gold dredger.
In order to solve the above technical problems, the present invention provides the following technical scheme that
A kind of underwater roughing wheel and bucket type gold dredger, including main wheel bucket, main hull, sieve material device, screen centrifuge mine machine, sand pump, hair
Motor group and fine sand feed bin；The main wheel bucket is connect by body frame and main bridge with main hull；The sieve material device is located at right side；Institute
It states screen centrifuge mine machine to be mounted on above main hull, and screen centrifuge mine machine is located at below gantry crane；The sand pump is mounted on main ship
Above body, sand pump is located above sieve material device by sand pipe upper end, and lower end connects the pumping sand mouth on fine sand feed bin；It is described
Generating set is mounted on above main hull；The fine sand feed bin is mounted below main wheel bucket.
As the further improvement project of the present invention: being provided with hopper on the main wheel bucket；The hopper is provided with sieve material
8, device, it is equally distributed on main wheel bucket surrounding, and hopper is 1 meter high, it is 2 meters wide, it is 6 meters long.
As the further improvement project of the present invention: the body frame is fixedly connected with main bridge by welding manner.
As the further improvement project of the present invention: host bridge is connect by shaft with the connecting rod in main hull.
As the further improvement project of the present invention: the main hull includes gantry crane, crossbeam, connecting rod, longitude and latitude positioning
Instrument and traction rolling control device；The gantry crane right end is connect with crossbeam, and left end is connected to body frame and master by the fines plate of falling mine
On bridge；The crossbeam is fixedly mounted on above main hull, is fixedly connected with gantry crane among crossbeam；The connecting rod is located at main ship
Body middle position；The longitude and latitude position indicator is mounted on main hull；The traction rolling control device is mounted on main hull, traction
Rolling control device and hoist engine are electrically connected.
As the further improvement project of the present invention: being provided with the fines plate of falling mine on the sieve material device；The fines falls
Mine plate is mounted below sieve material device, and is located at below vibrating screen, and the ore in sand form screened by shaker vibration flow to fines and falls mine
Plate, and flow at screen centrifuge mine machine by the fines plate of falling mine.
As the further improvement project of the present invention: being provided with hoist engine in the crossbeam；The hoist engine connection traction
Rope, and be electrically connected with generating set and traction rolling control device.
As the further improvement project of the present invention: being additionally provided with sieve between the main wheel bucket and fine sand feed bin.
As further improvement project of the invention: being provided with waste material guide plate below the fine sand feed bin.
Compared with prior art, the beneficial effects of the present invention are:
The present invention, by being provided with longitude and latitude position indicator on device, so that device route in mining process is more accurate, it will not
Appearance owes to adopt and cross the phenomenon that adopting；And by setting sieve material device and screen centrifuge mine machine, so that in mining process, i.e.,
Placer can be carried out secondary and screen, saved the time while also saved manually three times, greatly improve working efficiency；
And apparatus structure is simple, easy to operate, cost and use cost have significant decrease.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of underwater roughing wheel and bucket type gold dredger；
Fig. 2 is a kind of structural schematic diagram of main wheel bucket in underwater roughing wheel and bucket type gold dredger；
Fig. 3 is a kind of structural schematic diagram of main hull in underwater roughing wheel and bucket type gold dredger；
Fig. 4 is a kind of structural schematic diagram of sieve material device in underwater roughing wheel and bucket type gold dredger；
Fig. 5 is the structural schematic diagram of gantry crane and crossbeam in a kind of underwater roughing wheel and bucket type gold dredger；
In figure: 1- main wheel bucket, 2- body frame, the main bridge of 3-, 4- gantry crane, 5- crossbeam, 6- operation room, 7- main hull, 8- sieve material device,
9- discharge port, 10- screen centrifuge mine machine, 11- sand pump, 12- generating set, 13- sand pipe, 14- sieve, 15- take out sand mouth,
16- fine sand feed bin, 17- waste material guide plate, 18- auxiliary wheel, 19- hopper, 20- connecting rod, 21- longitude and latitude position indicator, 22- draw elevator
Controller, 23- sparge pipe, 24- vibrating screen, 25- chute, the 26- fines plate of falling mine, 27- traction rope, 28- hoist engine.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Fig. 1 ~ 5 are please referred to, a kind of underwater roughing wheel and bucket type gold dredger, including main wheel bucket 1, main hull are present embodiments provided
7, sieve material device 8, screen centrifuge mine machine 10, sand pump 11, generating set 12 and fine sand feed bin 16；The main wheel bucket 1 passes through body frame 2
It is connect with main bridge 3 with main hull 7, main wheel bucket 1 is designed to cylinder, and main wheel bucket 1 is mounted among body frame 2 by bearing, can
Ore in sand form can be transported at fine sand feed bin 16 by rotation, main wheel bucket 1 during rotation；The body frame 2 passes through welding side with main bridge 3
Formula is fixedly connected；Host bridge 3 is connect by shaft with the connecting rod 20 in main hull 7, when body frame 2 and main 3 stress of bridge, energy
Enough using shaft as basic point, main wheel bucket 1 is driven to swing up and down；The main hull 7 is located at 1 right side of main wheel bucket, is provided on main hull 7
Operation room and the device that further processing processing is carried out to the ore in sand form of acquisition；The sieve material device 8 is located at 7 right sides, sieve material dress
Sifting sort can be carried out for the ore in sand form pumped by sand pump 11 by setting 8；The screen centrifuge mine machine 10 is mounted on main hull 7
Side, and screen centrifuge mine machine 10 is located at 4 lower section of gantry crane, screen centrifuge mine machine 10 can carry out more the ore in sand form that gantry crane 4 screens
Fine screening, and be discharged by discharge port 9；The sand pump 11 is mounted on 7 top of main hull, and sand pump 11 is by taking out sand
13 upper end of pipeline is located at 8 top of sieve material device, and lower end connects the pumping sand mouth 15 on fine sand feed bin 16, and sand pump 11 can be by fine sand
Ore in sand form in feed bin 16 is transported at sieve material device 8；The generating set 12 is mounted on 7 top of main hull, is the power of device
Source；The fine sand feed bin 16 is mounted on 1 lower section of main wheel bucket, and ore is transported to fine sand feed bin 16 in rotation by main wheel bucket 1
Place, the sand pipe 13 being then installed on fine sand feed bin 16 siphon away；
Hopper 19 is provided on the main wheel bucket 1；The hopper 19 is provided with 8, device, sieve material, is equally distributed on main wheel bucket 1 four
Week, and 19 high 1 meters of hopper, 2 meters wide, 6 meters long, for main wheel bucket 1 in rotation, hopper 19 follows rotation, will be underwater by hopper 19
Ore in sand form take up, and be transported in fine sand feed bin 16；
The main hull 7 includes gantry crane 4, crossbeam 5, operation room 6, connecting rod 20, longitude and latitude position indicator 21 and traction rolling control
Device 22；4 right end of gantry crane is connect with crossbeam 5, and left end is connected on body frame 2 and main bridge 3 by the fines plate of falling mine 26；It is described
Crossbeam 5 is fixedly mounted on 7 top of main hull, is fixedly connected with gantry crane 4, and the connection of gantry crane 4 and crossbeam 5 among crossbeam 5
Place is provided with traction rope 27, drives the fines plate of falling mine 26 to by driving the lifting of body frame 2 and main bridge 3 real by traction rope 27
Now drive the lifting of main wheel bucket 1；The operation room 6 is mounted on 7 top of main hull, is space locating for user；The connection
Bar 20 is located at 7 middle position of main hull, can be used to connect main bridge 3；The longitude and latitude position indicator 21 is mounted on main hull 7, is passed through
Longitude and latitude position indicator 21 can position device, and by the way that route is set in advance, and enable a device to along presetting
Route exploitation improve mining rate so that device in recovery process, is not in adopt and owe the case where adopting；Institute
It states traction rolling control device 22 to be mounted on main hull 7, is electrically connected, is passed through by traction rolling control device 22 and hoist engine 28
Control traction rolling control device 22 makes hoist engine 28 work, and can change the height of main wheel bucket 1 in water；
The sieve material device 8 includes sparge pipe 23, vibrating screen 24, chute 25 and the fines plate of falling mine 26；Described 23 one end of sparge pipe
Connect water source, one end is located at sieve material device 8 top, can rush water to sieve material device 8, to the ore in sand form in sieve material device 8 into
Row rinses；The vibrating screen 24 is located at 8 left side of sieve material device, is provided with vibration motor and sieve on vibrating screen 24, expects sieve
Ore in sand form carries out vibration screening on device 8, and the ore in sand form for keeping particle small is flow at the fines plate of falling mine 26 of sieve material 8 side of device,
It is carried it by the fines plate of falling mine 26 to screen centrifuge mine machine 10；The setting of chute 25 is being mounted on 8 left side of sieve material device,
It is that the slot that sieve material 8 upper end of device is opened is delivered to dress by chute 25 by the bulky grain ore in sand form after 24 vibration screening of vibrating screen
It sets outer；The fines plate of falling mine 26 is mounted on 8 lower section of sieve material device, and is located at 24 lower section of vibrating screen, is vibrated by vibrating screen 24
The ore in sand form of screening flow to the fines plate of falling mine 26, and is flow at screen centrifuge mine machine 10 by the fines plate of falling mine 26；
The gantry crane 4 is internally provided with traction rope 27；27 left end of the traction rope connection body frame 2 connects volume with main 3 right end of bridge
Machine 28 is raised, the length of traction rope 27 is controlled by hoist engine 28, so that 3 angle of body frame 2 and main bridge is controlled, it is final to realize control master
The purpose of 1 height of bucket；
Hoist engine 28 is provided in the crossbeam 5；The hoist engine 28 connects traction rope 27, and rolls up with generating set 12 and traction
The electric connection of controller 22 is raised to work under the control of traction rolling control device 22；
It is additionally provided with sieve 14 between the main wheel bucket 1 and fine sand feed bin 16, by sieve 14 to the ore in sand form acquired by main wheel bucket 1
Carry out preliminary screening；
It is provided with waste material guide plate 17 below the fine sand feed bin 16, the bulk mineral gone out by 14 preliminary screening of sieve pass through waste material
Guide plate 17 is flow in river；
Auxiliary wheel 18 is additionally provided with below the waste material guide plate 17, auxiliary wheel 18 replaces waste material guide plate 17 and ground face contact, on one side
It can be moved easily, while be also possible to prevent waste material guide plate 17 and being damaged due to ground friction.
The working principle of the invention is:
In use, user is introduced into operation room 6, and the road for needing work is set by longitude and latitude position indicator 21 according to demand
Line, then control traction rolling control device 22 makes main wheel bucket 1 be in height appropriate；
When exploitation, main wheel bucket 1 is placed in the position for needing to exploit, main wheel bucket 1 rotates at this time, and the hopper 19 on main wheel bucket 1 rotates
When, ore is transported in fine sand feed bin 16, then sand pump 11 is inhaled the ore in sand form in fine sand feed bin 16 by sand pipe 13
On sieve material device 8 on to main hull 7, leads to sieving materials device 8 and carry out vibration screening, and washed, it is qualified through meticulous
The material plate of falling mine 26 is flow in screen centrifuge mine machine 10, unqualified to be transported by chute 25, then by screen centrifuge mine machine 10 to ore in sand form
Third time screening is carried out, final required mineral are selected, to complete mining task.
The present invention, by being provided with longitude and latitude position indicator on device, so that device route in mining process is more accurate,
It is not in owe to adopt and cross the phenomenon that adopting；And by setting sieve material device and screen centrifuge mine machine, so that in mining process
In, placer can be carried out secondary and screen, saved the time while also saved manually three times, greatly improve work
Efficiency；And apparatus structure is simple, easy to operate, cost and use cost have significant decrease.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (9)
1. a kind of underwater roughing wheel and bucket type gold dredger, it is characterized in that: include main wheel bucket (1), main hull (7), sieve material device (8),
Screen centrifuge mine machine (10), sand pump (11), generating set (12) and fine sand feed bin (16)；The main wheel bucket (1) passes through body frame (2)
It is connect with main bridge (3) with main hull (7)；Sieve material device (8) is located on the right side of (7)；The screen centrifuge mine machine (10) is mounted on
Above main hull (7), and screen centrifuge mine machine (10) is located at below gantry crane (4)；The sand pump (11) is mounted on main hull (7)
Top, sand pump (11) are located above sieve material device (8) by sand pipe (13) upper end, and lower end connects on fine sand feed bin (16)
Pumping sand mouth (15)；The generating set (12) is mounted on above main hull (7)；The fine sand feed bin (16) is mounted on main wheel bucket
(1) lower section.
2. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1, it is characterized in that: being set on the main wheel bucket (1)
It is equipped with hopper (19)；The hopper (19) is provided with sieve and expects that device (8) are a, is equally distributed on main wheel bucket (1) surrounding, and hopper
(19) high (1) rice, wide (2) rice, long (6) rice.
3. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1, it is characterized in that: the body frame (2) and main bridge
(3) it is fixedly connected by welding manner.
4. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1 or 3, it is characterized in that: host bridge (3) passes through
Shaft is connect with the connecting rod (20) in main hull (7).
5. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1, it is characterized in that: the main hull (7) includes
Gantry crane (4), crossbeam (5), connecting rod (20), longitude and latitude position indicator (21) and traction rolling control device (22)；The gantry crane (4)
Right end is connect with crossbeam (5), and left end is connected on body frame (2) He Zhuqiao (3) by the fines plate of falling mine (26)；The crossbeam (5)
It is fixedly mounted on above main hull (7), is fixedly connected with gantry crane (4) among crossbeam (5)；The connecting rod (20) is located at main ship
Body (7) middle position；The longitude and latitude position indicator (21) is mounted on main hull (7)；Traction rolling control device (22) installation
On main hull (7), traction rolling control device (22) and hoist engine (28) are electrically connected.
6. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1, it is characterized in that: on sieve material device (8)
It is provided with the fines plate of falling mine (26)；The fines plate of falling mine (26) is mounted below sieve material device (8), and is located at vibrating screen (24)
Lower section is flow to the fines plate of falling mine (26) by the ore in sand form of vibrating screen (24) vibration screening, and is flowed by the fines plate of falling mine (26)
To screen centrifuge mine machine (10).
7. a kind of underwater roughing wheel and bucket type gold dredger according to claim 5, it is characterized in that: setting in the crossbeam (5)
There are hoist engine (28)；The hoist engine (28) connects traction rope (27), and with generating set (12) and draw rolling control device
(22) it is electrically connected.
8. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1 or 2, it is characterized in that: the main wheel bucket (1) and
Sieve (14) are additionally provided between fine sand feed bin (16).
9. a kind of underwater roughing wheel and bucket type gold dredger according to claim 1, it is characterized in that: under the fine sand feed bin (16)
Side is provided with waste material guide plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257817.1A CN109356588A (en) | 2018-10-26 | 2018-10-26 | A kind of underwater roughing wheel and bucket type gold dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257817.1A CN109356588A (en) | 2018-10-26 | 2018-10-26 | A kind of underwater roughing wheel and bucket type gold dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356588A true CN109356588A (en) | 2019-02-19 |
Family
ID=65347015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257817.1A Pending CN109356588A (en) | 2018-10-26 | 2018-10-26 | A kind of underwater roughing wheel and bucket type gold dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356588A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743650A (en) * | 2019-11-10 | 2020-02-04 | 胡立宇 | High-efficient broken coal-winning machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1106512A (en) * | 1965-09-21 | 1968-03-20 | Reginald Keith Alexander Thomp | Bucket dredger |
| CN104923397A (en) * | 2014-03-20 | 2015-09-23 | 北京中凯宏德科技有限公司 | Ore mining and dressing integrated ship |
| CN204750496U (en) * | 2015-05-14 | 2015-11-11 | 浙江海洋学院 | Inhale golden engineering boat |
| CN204783015U (en) * | 2014-12-31 | 2015-11-18 | 上海航盛船舶设计有限公司 | Selecting and purchasing integral type ocean mining ship |
| CN205477624U (en) * | 2016-01-08 | 2016-08-17 | 曹博 | Casting device is coordinated to antiseized native opencut |
| CN107237631A (en) * | 2017-07-19 | 2017-10-10 | 刘刚 | A kind of dual-purpose mining in land and ore dressing integration apparatus |
-
2018
- 2018-10-26 CN CN201811257817.1A patent/CN109356588A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1106512A (en) * | 1965-09-21 | 1968-03-20 | Reginald Keith Alexander Thomp | Bucket dredger |
| CN104923397A (en) * | 2014-03-20 | 2015-09-23 | 北京中凯宏德科技有限公司 | Ore mining and dressing integrated ship |
| CN204783015U (en) * | 2014-12-31 | 2015-11-18 | 上海航盛船舶设计有限公司 | Selecting and purchasing integral type ocean mining ship |
| CN204750496U (en) * | 2015-05-14 | 2015-11-11 | 浙江海洋学院 | Inhale golden engineering boat |
| CN205477624U (en) * | 2016-01-08 | 2016-08-17 | 曹博 | Casting device is coordinated to antiseized native opencut |
| CN107237631A (en) * | 2017-07-19 | 2017-10-10 | 刘刚 | A kind of dual-purpose mining in land and ore dressing integration apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743650A (en) * | 2019-11-10 | 2020-02-04 | 胡立宇 | High-efficient broken coal-winning machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190219 |