CN103008086A - Movable crushing appliance - Google Patents
Movable crushing appliance Download PDFInfo
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- CN103008086A CN103008086A CN2012104960612A CN201210496061A CN103008086A CN 103008086 A CN103008086 A CN 103008086A CN 2012104960612 A CN2012104960612 A CN 2012104960612A CN 201210496061 A CN201210496061 A CN 201210496061A CN 103008086 A CN103008086 A CN 103008086A
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- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 78
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 31
- 239000011707 mineral Substances 0.000 abstract description 31
- 238000005065 mining Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 238000012545 processing Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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Abstract
The invention discloses a movable crushing appliance which mainly comprises a main body supporting frame, a loading container, a conveying device, a crushing device, a discharged and unloaded material conveying device and a walking mechanism, wherein the loading container, the conveying device, the crushing device, the discharged and unloaded material conveying device and the walking mechanism are arranged on the main body supporting frame so as to form an integral main body structure; the conveying device is used for conveying materials in the loading container to the crushing device; the discharged and unloaded material conveying device is used for conveying the materials crushed by the crushing device to the next-stage conveying mechanism; the movable crushing appliance also comprises a rotary supporting frame for supporting the discharged and unloaded material conveying device, and the rotary supporting frame is arranged at a discharge outlet of the crushing device and fixedly connected with the main body supporting frame; the discharged and unloaded material conveying device is connected with the rotary supporting frame, and can rotate in a preset space range; and the walking mechanism is fixedly connected with the main body supporting frame. According to the invention, the cost required for conveying the excavated minerals to the crushing appliance in the process of mining operation is reduced.
Description
Technical Field
The invention relates to the technical field of mining operation, in particular to a mobile crushing device.
Background
In general, in a typical open pit or surface mining operation, the usual approaches are: the mobile excavating equipment loads the excavated minerals into the dump truck, the dump truck conveys the minerals to nearby mineral processing equipment (namely fixed or semi-mobile crushing equipment) for processing, and the minerals which meet the granularity requirement after being processed by the mineral processing equipment are conveyed out of the mine through a conveyor belt or a pipeline. However, such mineral processing plants are generally of large structural size and are often built at specific locations in mines. With the continuous advancing of mining, the movable excavating equipment is farther and farther away from the position of the mineral processing equipment, and in order to enable the mineral processing equipment to always keep a larger constant capacity state, the farther the movable excavating equipment is away from the mineral processing equipment, more dump trucks are needed to convey minerals to meet the larger processing capacity of the mineral processing equipment. With the increasing of the transportation distance, the requirement on the number of the dump trucks is more and more, and finally an economic balance point, namely a reasonable transport distance in mining operation, is reached, and the mining cost is greatly wasted when the reasonable transport distance is exceeded. It will therefore become more economical to set up new mineral processing apparatus at different locations in the mine as mining progresses.
Moreover, the use of large dump trucks is becoming increasingly unattractive not only because they consume large amounts of fuel when operating, but also because such large dump trucks are expensive, high in maintenance cost, high in consumption cost, and have a detrimental effect on the development of the existing mining industry.
Accordingly, there is a need for a processing equipment that moves with the movement of a mobile excavator during mining operations so that the minerals excavated by the mobile excavator can be directly supplied to the mobile processing equipment, thereby reducing the intermediate time required for the excavator to load the excavated minerals into a dump truck and then the dump truck to transport the minerals to a mineral processing facility at a specific location in a mine, and minimizing the cost required for the same mining operation.
Disclosure of Invention
Accordingly, the present invention is directed to a mobile crushing plant to reduce the cost of transporting mined ore to the crushing plant during mining operations.
The invention provides a mobile crushing device which comprises a main body supporting frame, wherein the main body supporting frame is provided with a charging container, a conveying device, a crushing device, a discharging and unloading conveying device and a travelling mechanism; wherein the conveying device is for conveying material within the charging container to the crushing device; the discharging and unloading conveying device is used for conveying the materials crushed by the crushing device to a next-stage conveying mechanism; the mobile crushing equipment also comprises a supporting frame for supporting the discharging and discharging conveying device, and the supporting frame is arranged at a discharging opening of the crushing device and is fixedly connected with the main body supporting frame; the discharging and discharging conveying device is rotatably connected with the supporting frame; the walking mechanism is fixedly connected with the main body supporting frame.
Further, the mobile crushing apparatus further comprises a slewing drive mechanism; the supporting frame is a rotary supporting frame, the rotary supporting frame is connected with a rotary driving mechanism, and the rotary driving mechanism is used for enabling the rotary supporting frame to rotate around a vertical rotary shaft in a horizontal plane; one end of the discharging and discharging conveying device is hinged with the rotary supporting frame.
Further, the mobile crushing equipment also comprises a telescopic mechanism; the rotary supporting frame is provided with a stretching arm, the telescopic mechanism is hinged between the stretching arm and the discharging and unloading conveying device, and the telescopic mechanism is used for driving the discharging and unloading conveying device to rotate in a vertical plane.
Furthermore, the upper end of the slewing support frame of the mobile crushing device is connected with the main body support frame through a slewing support bearing; the lower end of the rotary supporting frame is connected with the main body supporting frame through a spherical roller thrust bearing.
Further, the conveying device of the mobile crushing equipment is a plate conveyor, a chain conveyor or a belt conveyor.
Further, the crushing device of the movable crushing equipment is a double-geared roller crusher.
Furthermore, the rotary driving mechanism of the mobile crushing equipment is a double-gear rack hydraulic driving mechanism.
Furthermore, the telescopic mechanism of the mobile crushing equipment is a double hydraulic cylinder device.
Further, the charging container of the mobile crushing device is a charging hopper.
Compared with the prior art, the invention has the following advantages:
firstly, in the mining operation process, the mobile crushing station can move along with the movement of the excavator due to the walking mechanism, and the minerals dug by the excavator can be directly supplied to the mobile crushing equipment, so that an intermediate conveying link that the excavator loads the dug minerals into a dump truck and the dump truck conveys the minerals to the mineral crushing equipment at a specific position in a mine is omitted. Therefore, the mining process is simple, the equipment purchasing cost and the equipment operation consumption cost are obviously reduced, and the economical efficiency is good.
Secondly, the invention is also provided with a supporting frame, the rotary supporting frame is used for supporting the discharging and discharging conveying device, and the supporting discharging and discharging conveying device can flexibly rotate in a preset space range, so that the discharging points of the discharging and discharging conveying device are randomly arranged in a certain space range relative to the mobile crushing equipment, further, the integrated design of discharging and discharging is realized, the whole set of equipment does not need to be additionally provided with a transferring discharging unit, the structure is simple, the layout is reasonable, and the economical efficiency of the equipment is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a side view of a preferred embodiment of the mobile crushing apparatus of the invention;
fig. 2 is a top view of a preferred embodiment of the mobile crushing apparatus of the invention.
Description of the reference numerals
1 conveying device
2 charging container
3 running gear
4 main body support frame
5 horizontal revolving shaft
6 base plate boss
7 double-gear rack hydraulic driving mechanism
8 gyration braced frame
9 vertical revolving shaft
10 crushing device
11 telescoping mechanism
12 first position of discharge and discharge conveyor
Second position of 12' discharging and discharging conveyer
13 walking road surface
14 next-stage conveying mechanism
15 connecting flange
16 slewing support bearing
17 discharging and unloading conveying device
18 projecting arm
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In the following, a preferred embodiment of the mobile crushing plant according to the invention will be further explained with reference to fig. 1 and 2.
Referring to fig. 1, the mobile crushing apparatus of the present embodiment includes a main body support frame 4, the main body support frame 4 is provided with a charging container 2, a conveying device 1, a crushing device 10, a discharging and discharging conveying device 17, and a traveling mechanism 3; wherein the conveying device 1 is used for conveying the material in the charging container 2 to the crushing device 10; the discharging and discharging conveying device 17 is used for conveying the materials crushed by the crushing device 10 to the next-stage conveying mechanism 14; the mobile crushing equipment also comprises a supporting frame for supporting the discharging and discharging conveying device 17, the supporting frame is arranged at the discharging opening of the crushing device 10 and is fixedly connected with the main body supporting frame 4; the discharge and discharge conveyor device 17 is connected to the support frame and comprises only one single unit for the discharge process as well as for the discharge process, the discharge and discharge conveyor device 17 being pivotable within a predetermined spatial range; the running gear 3 is fixedly connected with the main body supporting frame 4.
Simply speaking, all the devices are uniformly distributed on the main body supporting frame 4, the front lower end of the crushing device 10 is provided with a charging hopper capable of storing a certain amount of minerals, and the shape and the height of a feeding port of the charging hopper are convenient for moving an excavator to charge; a conveying device 1 which is inclined upwards at a certain angle and reaches a certain height is arranged at the lower rear part of the charging hopper and conveys the stored materials in the charging hopper to a crushing device 10 for crushing; a crushing device 10 is arranged below the rear part of the discharge port of the feeding device, and the feeding device is used for conveying minerals to be crushed and processed into qualified products; a rotary supporting frame 8 is arranged below the crushing device 10 and used for fixedly supporting a discharging and discharging conveying device 17; the discharging and discharging conveying device 17 is hinged and fixed in the middle of the rotary supporting frame 8, receives the qualified products processed by the crushing device 10 and conveys the qualified products to the next-stage conveying mechanism 14; the running gear 3 is fixed on the main body support frame 4 and is used for supporting the crushing equipment 10 and the running road surface 13. The discharge and discharge conveyor 17 is rotatable within a predetermined spatial range. This predetermined spatial range may be determined by a person skilled in the art depending on the actual operating conditions.
In one embodiment, the conveyor 1 may be a slat conveyor, a chain conveyor, or a belt conveyor. The crushing device 10 can be a double-geared roller crusher. The charging container 2 may be a charging hopper. The running mechanism 3 may be a crawler running mechanism, a wheel-driven running mechanism or a stepping mechanism, or other running mechanisms fixed on the main body supporting frame, capable of running, and capable of supporting the crushing device and the ground, and is within the protection scope of the present invention.
Compared with the prior art, the embodiment has the following advantages:
firstly, in the mining operation process, the mobile crushing station can move along with the movement of the excavator due to the walking mechanism, and the minerals dug by the excavator can be directly supplied to the mobile crushing equipment, so that an intermediate conveying link that the excavator loads the dug minerals into a dump truck and the dump truck conveys the minerals to the mineral crushing equipment at a specific position in a mine is omitted. Therefore, the mining process is simple, the equipment purchasing cost and the equipment operation consumption cost are obviously reduced, and the economical efficiency is good.
Secondly, the invention is also provided with a supporting frame which is used for supporting the discharging and discharging conveying device, and the discharging and discharging conveying device can flexibly rotate in a preset space range, so that the discharging points of the discharging and discharging conveying device are randomly arranged in a certain space range relative to the mobile crushing equipment, further, the integrated design of discharging and discharging is realized, the whole set of equipment does not need to be added with a transferring discharging unit, the structure is simple, the layout is reasonable, and the economical efficiency of the equipment is improved.
Referring again to fig. 1, the mobile crushing plant of the present embodiment is further described. In fig. 1, the conveying device 1 may be a plate conveyor, the crushing device 10 is a double-geared roller crusher, and the charging container 2 is a charging hopper.
The supporting frame is a rotary supporting frame 8, and the rotary supporting frame 8 is connected with a rotary driving mechanism and used for enabling the rotary supporting frame 8 to rotate around a vertical rotary shaft 9 in a horizontal plane; one end of the discharging and discharging conveying device 17 is hinged with the middle part of the rotary supporting frame 8. In this way, the discharge and discharge conveyor 17 can also follow the rotation in the horizontal direction as the slewing support frame 8 rotates within a predetermined angle in the horizontal direction.
Furthermore, in order to realize the rotation in the vertical plane, the rotary supporting frame 8 is further provided with a projecting arm 18, and a telescopic mechanism 11 is hinged between the projecting arm 18 and the discharging and discharging conveying device 17, and the telescopic mechanism 11 is used for driving the discharging and discharging conveying device 17 to rotate in the vertical plane. It can be seen that the discharge and discharge conveyor 17 can be rotated in the vertical plane in accordance with the telescopic movement of the telescopic mechanism 11 and the rotation of the telescopic mechanism 11 about the hinge point. For example, in FIG. 1, the first position 12 of the discharge and discharge conveyor apparatus and the second position 12' of the discharge and discharge conveyor apparatus are two different positions within the vertical plane of the discharge and discharge conveyor apparatus.
In this embodiment, the telescopic mechanism employs a double hydraulic cylinder. It should be noted that the hydraulic cylinder is only a preferred implementation of the telescopic mechanism, and other mechanisms capable of achieving the telescopic function are also within the protection scope of the present invention.
Because the rotary supporting frame can rotate in the horizontal plane, and the discharging and discharging conveying device can also rotate in the vertical direction, the discharging and discharging conveying device can rotate in a certain range in the horizontal direction and the vertical direction relative to the crushing equipment, so that the discharging point of the discharging and discharging conveying device can be randomly arranged in a certain space range relative to the movable crushing equipment. The whole set of equipment does not need to be added with a transfer unloading unit, and has simple structure and reasonable layout, thereby improving the reliability and the economy of the equipment. And moreover, the damage of the cantilever mounting structure to the structural strength of the main body supporting frame is avoided by adopting the rotary supporting frame, the rigidity of the main body supporting frame is greatly improved, the structural stress distribution is more uniform, the structural stress is more reasonable, and the adverse effects of the overturning moment and the like on equipment and parts are eliminated.
Furthermore, a charging hopper serving as a charging container 2 is fixed on the main body supporting frame 4, and the shape and the height of a feeding port of the charging hopper are convenient for an excavator to charge; a plate type conveyor which is inclined upwards along a certain angle to reach a certain height is arranged at the lower rear part of the charging hopper and conveys the stored materials in the charging hopper to a double-geared roller crusher for crushing; a double-geared roller crusher is arranged below the discharge port of the plate conveyor; the lower part of a discharge port of the crusher is provided with a rotary supporting frame 8, the rotary supporting frame 8 is fixedly connected with a main body supporting frame 4 in a double-rotation mode, the lower part of the rotary supporting frame adopts a thrust self-aligning roller bearing, the thrust self-aligning roller bearing is installed on a chassis boss 6, the upper part of the rotary supporting frame adopts a rotary supporting bearing 16, the rotary supporting bearing 16 and the upper part of the main body supporting frame 4 are fixedly connected with a connecting flange 15, and a material passing through the discharge port of the double-geared roller crusher passes through the hollow part of the rotary supporting frame 8 and is conveyed to a material receiving part of; the rotary supporting frame 8 is driven by a double-gear rack hydraulic driving mechanism 7, the linear motion of a hydraulic cylinder is changed into the rotary motion of a gear, and under the action of the driving force, the limit position of the horizontal left-right swing of the rotary supporting frame 8 around the vertical rotary shaft 9 is 120 degrees.
The discharge and discharge conveyor 17 is not pivoted and is in the position 17 shown in the drawing. Figures 1 and 2 also show a schematic view of the discharge and discharge conveyor 17 in a position of 12 "(the structure at 12" in figure 2 shall be shown in dashed lines) swung up relative to the slewing support frame 8. The discharging and discharging conveying device 17 is hinged and fixed on the rotary supporting frame 8 and swings up and down around the horizontal rotary shaft 5. In the embodiment, the limit position of the upper pendulum is designed to be 20 degrees, and the limit position of the lower pendulum is designed to be 10 degrees; below the discharge point of discharge and discharge conveyor 17 is a next stage conveyor mechanism 14 (which may be, for example, a transfer conveyor, a belt bridge, etc.).
The bottom and the upper part of the rotary supporting frame 8 are hinged and fixed on the main body supporting frame 4 through rotary parts, the center of a discharge port of the double-geared roller crusher is superposed with the rotary center of the rotary supporting frame 8, and the discharge port penetrates through a rotary member on the upper part of the rotary supporting frame 8 and extends to the middle position of the rotary supporting frame 8.
Therefore, the rotary support frame can rotate 120 degrees left and right relative to the double-geared roller crusher in the horizontal direction, and the bottom and the top of the rotary support frame are respectively connected with the main body support frame in a double-rotation mode; the discharging and discharging conveying device can rotate upwards by 20 degrees and downwards by 10 degrees in a vertical plane relative to the rotating frame. The combined result is that the discharge and discharge conveyor device can discharge material at any position within the angle range relative to the crushing plant, so that the discharge point of the discharge and discharge conveyor device can be arranged at any position within a certain spatial range relative to the mobile crushing plant.
Furthermore, the discharge and discharge conveyor device is swivellable during the crushing process (i.e. the crushing device is in operation), if the crushed product emerging from the crushing device is conveyed into the receiving section of the discharge and discharge conveyor device without interference, independently of the swiveling movement in the horizontal and vertical directions.
Again, the conveying mode of the charging container, the discharging and discharging conveyor can be designed arbitrarily, and can be designed as a plate conveyor, a chain conveyor or a belt conveyor. The horizontal pivoting movement of the pivoting support frame and the vertical pivoting movement of the discharge and discharge conveyor can be achieved by means of any drive, in particular by means of a hydraulic or electromechanical drive.
In summary, the mobile crushing plant of the invention has the following advantages:
the movable crushing equipment can move along with the movement of the excavator in the mining operation process, so that the minerals dug by the excavator are directly supplied to the movable crushing equipment, and an intermediate conveying link that the excavator loads the dug minerals into a dump truck and the dump truck conveys the minerals to the mineral crushing equipment at a specific position in a mine is omitted. Therefore, the mining process is simple, the equipment purchasing cost and the equipment operation consumption cost are obviously reduced, and the economical efficiency is good. Moreover, the mobile crushing equipment has a simple structure and reasonable layout; the adaptability is strong, the stability of working on soft and bumpy road surfaces of strip mines can be met, and the method can adapt to severe weather environments of strip mines; the installation and debugging are simple, the operation and the maintenance are convenient, and the automation degree is high. The crushing plant with high stability and reliability is provided for users, so that the economical efficiency of the crushing plant is improved, and the value and the benefit of the customers are realized to the maximum extent.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A mobile crushing plant, characterized in that,
the device comprises a main body supporting frame (4), wherein the main body supporting frame (4) is provided with a charging container (2), a conveying device (1), a crushing device (10), a discharging and unloading conveying device (17) and a travelling mechanism (3); wherein,
-the conveying device (1) is used for conveying the material in the charging container (2) to the crushing device (10);
the discharging and discharging conveying device (17) is used for conveying the materials crushed by the crushing device (10) to a next-stage conveying mechanism (14);
the mobile crushing equipment also comprises a rotary supporting frame for supporting the discharging and discharging conveying device (17), and the rotary supporting frame is arranged at a discharging opening of the crushing device (10) and is fixedly connected with the main body supporting frame (4); the discharging and discharging conveying device (17) is rotatably connected with the rotary supporting frame;
the walking mechanism (3) is fixedly connected with the main body supporting frame (4).
2. The mobile crushing apparatus of claim 1,
the device also comprises a rotary driving mechanism;
the supporting frame is a rotary supporting frame (8), the rotary supporting frame (8) is connected with a rotary driving mechanism, and the rotary driving mechanism is used for enabling the rotary supporting frame (8) to rotate around a vertical rotary shaft (9) in a horizontal plane;
one end of the discharging and discharging conveying device (17) is hinged with the rotary supporting frame (8).
3. The mobile crushing apparatus of claim 2,
also comprises a telescopic mechanism (11);
the rotary supporting frame (8) is provided with a projecting arm (18), the telescopic mechanism (11) is hinged between the projecting arm (18) and the discharging and discharging conveying device (17), and the telescopic mechanism (11) is used for driving the discharging and discharging conveying device (17) to rotate in a vertical plane.
4. Mobile crushing plant according to claim 3,
the upper end of the rotary supporting frame (8) is connected with the main body supporting frame (4) through a rotary supporting bearing (16);
the lower end of the rotary supporting frame (8) is connected with the main body supporting frame (4) through a spherical roller thrust bearing.
5. The mobile crushing plant of any one of claims 1 to 4,
the conveying device (1) is a plate conveyor, a chain conveyor or a belt conveyor.
6. Mobile crushing plant according to claim 5,
the crushing device is a double-geared roller crusher.
7. Mobile crushing plant according to claim 6,
the rotary driving mechanism is a double-gear rack hydraulic driving mechanism.
8. Mobile crushing plant according to claim 7,
the telescopic mechanism (11) is a double hydraulic cylinder device.
9. The mobile crushing apparatus of claim 8,
the charging container (2) is a charging hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104960612A CN103008086A (en) | 2012-11-28 | 2012-11-28 | Movable crushing appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104960612A CN103008086A (en) | 2012-11-28 | 2012-11-28 | Movable crushing appliance |
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| Publication Number | Publication Date |
|---|---|
| CN103008086A true CN103008086A (en) | 2013-04-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104960612A Pending CN103008086A (en) | 2012-11-28 | 2012-11-28 | Movable crushing appliance |
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| Country | Link |
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| CN (1) | CN103008086A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334755A (en) * | 2013-07-12 | 2013-10-02 | 鞍钢集团矿业公司 | Slope hoisting and crushing system for deep open-pit mine |
| CN103433110A (en) * | 2013-08-07 | 2013-12-11 | 肥乡县农乐机械科技有限公司 | Movable coal grinder |
| WO2016110001A1 (en) * | 2015-01-09 | 2016-07-14 | 深圳中城绿建科技有限公司 | Integrated crusher |
| CN107971105A (en) * | 2017-12-06 | 2018-05-01 | 陆沈杰 | A kind of environment-friendly type processing unit for construction waste recycling |
| CN112317106A (en) * | 2020-10-19 | 2021-02-05 | 湖南山瑞重工科技有限公司 | Movable crushing station frame |
| CN113565561A (en) * | 2021-09-26 | 2021-10-29 | 徐州木萱机械制造有限公司 | Mining equipment for mining machinery |
| CN116220689A (en) * | 2022-12-23 | 2023-06-06 | 中煤科工集团沈阳设计研究院有限公司 | Open-pit mine continuous mining process system equipped with buffer vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334755A (en) * | 2013-07-12 | 2013-10-02 | 鞍钢集团矿业公司 | Slope hoisting and crushing system for deep open-pit mine |
| CN103334755B (en) * | 2013-07-12 | 2015-03-11 | 鞍钢集团矿业公司 | Slope hoisting and crushing system for deep open-pit mine |
| CN103433110A (en) * | 2013-08-07 | 2013-12-11 | 肥乡县农乐机械科技有限公司 | Movable coal grinder |
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| WO2016110001A1 (en) * | 2015-01-09 | 2016-07-14 | 深圳中城绿建科技有限公司 | Integrated crusher |
| CN107971105A (en) * | 2017-12-06 | 2018-05-01 | 陆沈杰 | A kind of environment-friendly type processing unit for construction waste recycling |
| CN112317106A (en) * | 2020-10-19 | 2021-02-05 | 湖南山瑞重工科技有限公司 | Movable crushing station frame |
| CN113565561A (en) * | 2021-09-26 | 2021-10-29 | 徐州木萱机械制造有限公司 | Mining equipment for mining machinery |
| CN116220689A (en) * | 2022-12-23 | 2023-06-06 | 中煤科工集团沈阳设计研究院有限公司 | Open-pit mine continuous mining process system equipped with buffer vehicle |
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Application publication date: 20130403 |