CN112973203A - Parallel double-vehicle mobile thickener system and mobile method thereof - Google Patents
Parallel double-vehicle mobile thickener system and mobile method thereof Download PDFInfo
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- CN112973203A CN112973203A CN202110151360.1A CN202110151360A CN112973203A CN 112973203 A CN112973203 A CN 112973203A CN 202110151360 A CN202110151360 A CN 202110151360A CN 112973203 A CN112973203 A CN 112973203A
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- 239000002562 thickening agent Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 99
- 239000010959 steel Substances 0.000 claims abstract description 99
- 210000005056 cell body Anatomy 0.000 claims 2
- 230000009977 dual effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention provides a parallel double-vehicle mobile thickener system and a mobile setting method thereof, wherein the system comprises: a central column is inserted in the middle of a pool body of the thickener; two trucks, each truck having a bed comprising a foundation bed; two passageways of advancing the car, supply two trucks to pass in and out respectively, be located center post both sides and be connected with concentrated machine below concentrated machine, every passageway of advancing the car includes that two of longitudinal direction parallel arrangement shift and establish the steel column, every moves and establishes the steel column and includes interior post, urceolus and with the interior post connection move and establish the steel column footing, when moving and establishing, promote to move and establish steel column footing and urceolus, with the foundation bed with move and establish steel column footing connection, under fixed state, will move and establish steel column footing and urceolus and reduce, so that the urceolus surrounds the lower part of interior post and move and establish the steel column footing and fix to ground with interior post. The invention solves the difficult problem of moving the thickener with larger diameter, has simple structure and ensures the operating rate of the whole ore dressing system.
Description
Technical Field
The invention belongs to the technical field of concentration in a concentrating plant, and particularly relates to a parallel double-vehicle mobile thickener system and a mobile method thereof.
Background
At present, because the ore grade of a plurality of open-pit iron mines is high and generally reaches 45-55%, the grade of the part of open-pit iron mines can be improved to 58-65% only by simple crushing-ore washing or crushing-ore washing-gravity separation or large-particle size pre-selection, and thus iron ore concentrate with high quality is obtained for sale.
Since current surface mines, especially large surface mines, are typically made up of multiple mine segments, the mining area is constantly changing even in the same segment. Most of the open-pit iron ores are constructed in a fixed separation plant, and then raw ores mined from all ore sections are conveyed to the separation plant for treatment. In the mode, the distance between the selected factory and the stope is very long, so that the construction cost and the transportation cost of a transportation road of the raw ore are increased; and after the fixed plant selection is finished, plant selection facilities are difficult to be repeatedly utilized in other mines, so that the sinking and waste of assets are caused.
Therefore, it is desirable to construct a fully mobile modular beneficiation plant, in which each operation unit of the beneficiation plant is disposed on each mobile carrier, so that each operation of beneficiation can be disposed nearby a mining area, and beneficiation modules are continuously moved along with changes of the mining area. Therefore, the transportation cost and the transportation road cost of the raw ore can be reduced to the greatest extent, and the modularized movable ore dressing module can recombine each operation and move to other mines for continuous service after the service life of the mines is over, so that the ore dressing facility is recycled, and the repeated investment of the ore dressing facility is avoided.
But for the modularized selecting factory in the flow of crushing-washing ore or crushing-washing-gravity separation or large-particle size pre-selection, because slime is generated in the flow, the slime needs to be concentrated to realize the backfill of the mining pit by the slime and the recycling of overflow water. However, the concentrator is limited to its circular configuration and large diameter, and there is currently no suitable modular mobile installation. Due to the difficulty of modularization movement of concentration operation, the concentration plants of open-pit rich mines with a plurality of current processes of crushing-ore washing or crushing-ore washing-gravity separation or large-particle size pre-concentration have not been constructed in a modularization way.
Disclosure of Invention
The invention aims to provide a parallel double-vehicle mobile thickener system with a simple structure and convenient movement and a mobile method thereof, so as to promote the construction of a full-modular mobile dressing plant suitable for an open-air iron-rich mine, thereby reducing the transportation cost of raw ores and the road construction cost and realizing the reutilization of dressing facilities.
The invention includes a parallel double-vehicle mobile thickener system, comprising: the central column is inserted in the middle of a thickener tank body of the thickener; two trucks, each truck having a bed comprising a base; the two vehicle inlet channels are used for the two trucks to enter and exit respectively, are positioned on two sides of the central column below the thickener and are connected with the thickener; each of the vehicle inlet channels comprises two rows of moving steel columns which are arranged in parallel in the longitudinal direction, each moving steel column comprises an inner column, an outer cylinder and moving steel column feet connected with the inner column, when the parallel double-vehicle moving thickener system is moved, the moving steel column feet and the outer cylinder are lifted so as to connect the foundation base with the moving steel column feet, and the moving steel column feet and the outer cylinder are lowered under the fixed state of the parallel double-vehicle moving thickener system so that the outer cylinder surrounds the lower part of the inner column and the moving steel column feet fix the inner column to the ground.
The invention also comprises a transfer method of the parallel double-vehicle transfer thickener system, which comprises the following steps: respectively enabling two trucks to enter two vehicle inlet channels at the lower part of a thickener in the same direction, and enabling the basic seats of the vehicle plates of the two trucks to correspond to the positions of two rows of shifted steel columns in the vehicle inlet channels; loosening the transfer steel column footing of the transfer steel column, and lifting the transfer steel column footing and the outer cylinder of the transfer steel column to the height of the foundation base, wherein the transfer steel column footing is not connected with the outer cylinder; connecting the transfer steel column feet of the transfer steel columns with the foundation base through threads so as to integrate the thickener and the truck into a parallel double-truck transfer thickener system; loosening the grounding bottom feet of the pillars positioned outside the two vehicle inlet channels, and reversely rotating the outer cylinder with the steel column moved so as to lift the thickener; after the parallel double-truck mobile concentrator system is moved to a destination through the two trucks, the outer cylinder of the mobile steel column is rotated in the forward direction, so that an inner column in the outer cylinder of the mobile steel column descends, the support column is connected with a ground bolt through the grounding bottom foot, the bolt of the mobile steel column bottom foot is loosened, and the two trucks are moved out of the two vehicle entering channels; and lowering the outer cylinder of the mobile steel column and the mobile steel column bottom foot, and fixing the inner column to the ground through the mobile steel column bottom foot.
The parallel double-vehicle mobile thickener system of the invention is moved by trucks, which solves the difficult problem of moving a thickener system with larger diameter, thereby solving the key restriction problem for the construction of the whole full-modular mobile plant selection of the open-air iron-rich mine, reducing the transport distance of concentrated ore pulp and slime, realizing the nearby cyclic utilization of overflow water, saving energy consumption, reducing transportation cost and realizing the reuse of concentrated module facilities.
The modular moving structure is simple, and the moving process can be realized only by disassembling and assembling bolts, ascending and descending of the moving steel column and traction of a truck. The moving speed is high, and the whole moving of the thickener is completed, so that the operating rate of the whole mineral processing system is guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a transport state parallel two-car mobile concentrator system of the present invention;
FIG. 2 is a cross-sectional view taken along A-A in FIG. 1;
FIG. 3 is an enlarged view of the removed steel column portion of FIG. 2;
FIG. 4 is a cross-sectional view of a stationary parallel two-car mobile concentrator system of the present invention;
fig. 5 is an enlarged view of the portion of fig. 4 from which the steel columns are removed.
In the figure: the device comprises a thickener 1, a truck 2, a grounding footing 3, a ground bolt 4, a central column 5, a vehicle inlet channel 6, a bridge 7, a feeding pipe 8, a main rake 9, a transfer steel column 10, a support 11, an inner column 12, an outer cylinder 13, a transfer steel column footing 14, a rotating handle 15, a foundation base 16, a supporting cross beam 17, a longitudinal beam 18, an auxiliary support 19 and a support column 20.
Detailed Description
The present invention will now be described in further detail with reference to the attached figures, so that the invention will be more clearly and easily understood. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1-5, the parallel two-truck mobile concentrator system of the present invention includes a concentrator 1 and two trucks 2.
The thickener 1 is preferably an overhead steel structure. A central column 5 is inserted in the middle of the thickener tank body of the thickener 1.
Two parallel vehicle inlet channels 6 for the vehicle body of the truck to enter and exit are symmetrically arranged at two sides of the central column 5 below the thickener 1, and the width of the vehicle inlet channel 6 is preferably 3-3.5 m.
Preferably, the thickener 1 comprises a bridge 7 and a feed pipe 8, which is located above the thickener tank body between the two feed channels 6. The concentrator 1 comprises two main rake frames 9 which are positioned at the bottom of a pool body of the concentrator and positioned at two sides of a central column 5, and the main rake frames 9 can rotate.
The two vehicle inlet channels 6 are provided with shifting steel columns 10 which are arranged in parallel in the longitudinal direction, and preferably the opposite shifting steel columns 10 are spaced at equal intervals of 1.5-2.5 meters. The top end of the movable steel column 10 is connected with a support 11 at the bottom of the thickener tank body.
In the fixed state of the parallel double-vehicle mobile thickener system, the thickener 1 is connected with a ground bolt 4 through a grounding foot 3 of a strut 20 outside two vehicle inlet channels 6, the bolt is an inverted bolt with a nut on the top and a screw on the bottom, and the strut 20 is made of a common steel column.
The mobile steel column 10 is cylindrical, the mobile steel column 10 comprises an inner column 12, an outer cylinder 13 and a mobile steel column foot 14, the inner column 12 contains threads and is in threaded connection with the outer cylinder 13, and the length of the outer cylinder is preferably 1 meter.
In the fixed state of the parallel double-vehicle mobile thickener system, the lower part of the inner column 12 is in threaded connection with the outer cylinder 13, the mobile steel column bottom foot 14 is in threaded connection with the inner column 12, and the mobile steel column bottom foot 14 is not connected with the outer cylinder 13. Two sides of the movable steel column bottom foot 14 are provided with 4 connecting bolts in mirror symmetry and are used for being connected with the inner column 12. The upper part of the outer cylinder 13 is provided with 4 rotating handles 15 at equal circumferential angle intervals, and the length of the rotating handle 15 is preferably 0.3-0.5 m. The torque is increased by sleeving the handle with a sleeve with the length of 1-2 meters, so that the outer barrel can be lifted and lowered manually, and the operation is simple and labor-saving.
When the parallel double-vehicle mobile thickener system is moved, the mobile steel column bottom feet 14 are in threaded connection with the foundation base 16.
Preferably, an auxiliary bracket 19 can be further provided in each of the two incoming lanes 6, and the auxiliary bracket 19 is provided outside the transfer steel column 10. When the parallel two-vehicle traveling type thickener system is transported, the auxiliary bracket 19 is screwed to the base seat 16 of the vehicle body of the truck 2 by a bolt, so that the load bearing strength can be further increased. In the fixed state of the parallel two-vehicle traveling thickener system, the auxiliary stand 19 is removed.
The mobile steel columns 10 are arranged in pairs in the longitudinal direction, the interval between each pair of mobile steel columns 10 is 1.1-1.2 times of the width of the body of the truck 2, and base seats 16 which are connected with two sides of the mobile steel column bottom feet 14 of each pair of mobile steel columns 10 through bolts are arranged on two sides of the plate of the truck 2 in pairs. The spacing between each pair of foundation bases is the same as the spacing between the transfer column feet 14 of each pair of transfer columns 10.
Each pair of the shifting steel columns 10 are connected through a supporting cross beam 17, and the upper part of the supporting cross beam 17 is connected with the bottom of the thickener tank body through longitudinal beams 18 which are arranged at equal intervals. The connection mode ensures that the weight of the whole thickener is more uniformly distributed on the shifting steel columns 10 and the supporting beams 17 thereof on the two parallel channels, and prevents the shifting steel columns 10 and the supporting beams 17 from being damaged due to overlarge stress during shifting. The invention adopts the mode that the moving steel column 10 and the supporting beam 17 bear the stress together, so that the stress of each part of the truck plate is more uniform during moving, and the moving is favorably and smoothly carried out. And when the thickener is moved, the bridge frame 7 and the main harrow plate 9 of the thickener 1 are both positioned in the thickener tank body between the two vehicle inlet channels 6, so that heavy parts are all arranged between two parallel vehicles, and a middle supporting beam 17 is stressed, thereby effectively preventing the thickener 1 from inclining when the thickener is moved.
The sweep of each truck 2 enters a vehicle inlet channel 6 in the same direction, and the heads of the two trucks are exposed on the same side of the thickener tank body.
The parallel double-vehicle mobile thickener system of the invention is moved by the truck 2, and solves the difficult problem of moving the thickener 1 with larger diameter, thereby solving the key restriction problem for the construction of the whole full-modular mobile plant selection of the open-air iron-rich mine, reducing the transport distance of the concentrated ore pulp and the ore slime, realizing the nearby cyclic utilization of overflow water, saving energy consumption, reducing transportation cost and realizing the reuse of the concentrated module facility. According to the invention, two trucks 2 are arranged in parallel, and each truck 2 bears half of the weight of the thickener tank body, so that the weight of the thickener 1 is uniformly distributed on the truck body to the maximum extent on the basis of reducing the carrying weight of a single truck.
The modular transfer of the invention is simple in structure, and the transfer process can be realized only by disassembling and assembling bolts, lifting and descending the transfer steel column 10 and directional traction of the truck 2. The moving speed is high, and the whole moving of the thickener 1 is completed, so that the operating rate of the whole mineral processing system is guaranteed.
As shown in fig. 2-3, during transfer, two trucks 2 are respectively introduced into the two inlet channels 6 at the lower part of the thickener 1 in the same direction, so that the base seats 16 of the deck of the two trucks 2 correspond to the positions of the two rows of transfer columns 10 in the inlet channels 6.
And loosening the transfer steel column feet 14 of the transfer steel column 10, and lifting the transfer steel column feet 14 and the outer cylinder 13 of the transfer steel column 10 to the height of the foundation base 16.
Then the inner parts of the transfer steel column feet 14 of the transfer steel columns 10 are connected with the foundation bases 16 on the vehicle plates through bolts, so that the whole parallel double-vehicle transfer thickener system is used as an independent complete module.
And loosening the grounding bottom foot 3 of the strut 20, reversely rotating the outer cylinder 13 provided with the steel column 10, and lifting the whole thickener by 1 meter. By the aid of the mode, when the thickener moves integrally, the rest moving steel columns cannot touch the bottom and are at a certain height away from the ground, and moving is guaranteed to be carried out smoothly.
As shown in fig. 4 to 5, after the parallel two-car mobile concentrator system is moved to a destination by the trucks 2, the outer cylinder 13 of the mobile steel column 10 is rotated forward, the inner column 12 of the mobile steel column 10 is lowered, the support column 20 is brought into contact with the ground of the destination and the bolts are tightened, and then the bolts of the mobile steel column foot 14 of the mobile steel column 10 screwed with the foundation bed 16 are loosened, and two trucks 2 are moved out of the two vehicle entrance passages 6.
Finally, the outer cylinder 13 of the transfer steel column 10 and the transfer steel column feet 14 are rotated to be lowered, and the two transfer steel column feet 14 of the opposite transfer steel column 10 are fixed to the ground by bolts to fix the inner column 12 to the ground, thereby completing the transfer.
The invention adopts two equidirectional trucks 2 to shift the concentrator 1 with large diameter, the equidirectional entering of the access passage 6 reduces the traction power of each truck 2, and the equidirectional entering of the access passage 6 is more beneficial to the cooperative operation of drivers of each truck 2, so that the shifting process is more coordinated. And two trucks 2 are positioned in parallel on both sides of the center pillar 5, so that the plates of the two trucks 2 are closer to the weight centers on both sides of the thickener, and the thickener 1 is very stable when being moved, and does not roll.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A parallel two-cart mobile thickener system comprising:
the central column is inserted in the middle of a thickener tank body of the thickener;
two trucks, each truck having a bed comprising a base;
two vehicle inlet channels for the two trucks to enter and exit respectively, the two vehicle inlet channels are positioned at two sides of the central column below the thickener and are connected with the thickener,
each of the vehicle inlet channels comprises two rows of moving steel columns which are arranged in parallel in the longitudinal direction, each moving steel column comprises an inner column, an outer cylinder and moving steel column feet, the outer cylinder surrounds the inner column, the moving steel column feet are connected with the inner column, when the parallel double-vehicle moving thickener system is moved, the moving steel column feet and the outer cylinder are lifted so as to connect the foundation base with the moving steel column feet, and the moving steel column feet and the outer cylinder are lowered under the fixed state of the parallel double-vehicle moving thickener system so that the outer cylinder surrounds the lower portion of the inner column and the moving steel column feet fix the inner column to the ground.
2. The parallel two-cart mobile concentrator system of claim 1, wherein the concentrator further comprises a bridge and a feed tube disposed above the concentrator cell body and between the two cart entry channels.
3. The parallel two-car mobile concentrator system of claim 1, wherein the concentrator further comprises two main rake frames located at the bottom of the concentrator cell body and on either side of the central column.
4. The parallel two-cart mobile concentrator system of claim 1, further comprising an auxiliary support disposed outside each of the mobile steel columns within each of the two cart access channels.
5. The parallel two-cart mobile concentrator system of claim 1, wherein the two cart intake passages are symmetrical to each other with respect to the center column.
6. The parallel two-cart mobile concentrator system of claim 1, wherein the outer drum and the inner column are threaded, the outer drum being provided with a turning handle for lifting the mobile steel column foot and the outer drum by helical rotation.
7. The parallel dual cart mobile concentrator system of claim 6, wherein a sleeve is sleeved on an exterior of each of the turning handles.
8. The parallel two-car mobile concentrator system of claim 1, wherein the foundation beds are arranged in pairs on either side of the deck of the truck for connection to the mobile column feet of each pair of mobile columns, the spacing between each pair of foundation beds being the same as the spacing of the mobile column feet of each pair of mobile columns.
9. The parallel two-car mobile thickener system of claim 1, wherein the top end of each mobile steel column is connected with a support at the bottom of the thickener tank, each pair of mobile steel columns is connected with each other through a supporting cross beam, and the upper part of the supporting cross beam is connected with the bottom of the thickener tank through longitudinal beams arranged at equal intervals.
10. A method of transferring a parallel two-car mobile thickener system, comprising:
respectively enabling two trucks to enter two vehicle inlet channels at the lower part of a thickener in the same direction, and enabling the basic seats of the vehicle plates of the two trucks to correspond to the positions of two rows of shifted steel columns in the vehicle inlet channels;
loosening the transfer steel column footing of the transfer steel column, and lifting the transfer steel column footing and the outer cylinder of the transfer steel column to the height of the foundation base, wherein the transfer steel column footing is not connected with the outer cylinder;
connecting the transfer steel column feet of the transfer steel columns with the foundation base through threads so as to integrate the thickener and the truck into a parallel double-truck transfer thickener system;
loosening the grounding bottom feet of the pillars positioned outside the two vehicle inlet channels, and reversely rotating the outer cylinder with the steel column moved so as to lift the thickener;
after the parallel double-truck mobile concentrator system is moved to a destination through the two trucks, the outer cylinder of the mobile steel column is rotated in the forward direction, so that an inner column in the outer cylinder of the mobile steel column descends, the support column is connected with a ground bolt through the grounding bottom foot, the bolt of the mobile steel column bottom foot is loosened, and the two trucks are moved out of the two vehicle entering channels; and
and lowering the outer cylinder of the mobile steel column and the mobile steel column bottom foot, and fixing the inner column to the ground through the mobile steel column bottom foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110151360.1A CN112973203A (en) | 2021-02-03 | 2021-02-03 | Parallel double-vehicle mobile thickener system and mobile method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110151360.1A CN112973203A (en) | 2021-02-03 | 2021-02-03 | Parallel double-vehicle mobile thickener system and mobile method thereof |
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| CN112973203A true CN112973203A (en) | 2021-06-18 |
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| WO1983004014A1 (en) * | 1982-05-18 | 1983-11-24 | Alkotó Ifjuság Egyesülés | Mechanically operated elevating apparatus of steel column structure for elevating and moving advantageously containers of series 1, vehicules and heavy objects |
| CN102689736A (en) * | 2012-06-01 | 2012-09-26 | 中国核工业第五建设有限公司 | Special supporting device of cover head of nuclear island containment vessel made of steel and transportation method |
| CN103272412A (en) * | 2013-06-05 | 2013-09-04 | 北方重工集团有限公司 | Thickener-use steel structure pool body having radial beams and arc bottom plates |
| CN106284983A (en) * | 2016-08-31 | 2017-01-04 | 上海二十冶建设有限公司 | A kind of packaged type falsework device |
| CN110743693A (en) * | 2019-09-30 | 2020-02-04 | 山西钢铁建设（集团）有限公司 | Integral moving method for mine crushing station |
| CN111550270A (en) * | 2020-05-20 | 2020-08-18 | 中铁隧道集团一处有限公司 | Ultra-large self-propelled tunnel multifunctional operation platform and tunnel steel bar waterproof board construction method |
-
2021
- 2021-02-03 CN CN202110151360.1A patent/CN112973203A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983004014A1 (en) * | 1982-05-18 | 1983-11-24 | Alkotó Ifjuság Egyesülés | Mechanically operated elevating apparatus of steel column structure for elevating and moving advantageously containers of series 1, vehicules and heavy objects |
| CN102689736A (en) * | 2012-06-01 | 2012-09-26 | 中国核工业第五建设有限公司 | Special supporting device of cover head of nuclear island containment vessel made of steel and transportation method |
| CN103272412A (en) * | 2013-06-05 | 2013-09-04 | 北方重工集团有限公司 | Thickener-use steel structure pool body having radial beams and arc bottom plates |
| CN106284983A (en) * | 2016-08-31 | 2017-01-04 | 上海二十冶建设有限公司 | A kind of packaged type falsework device |
| CN110743693A (en) * | 2019-09-30 | 2020-02-04 | 山西钢铁建设（集团）有限公司 | Integral moving method for mine crushing station |
| CN111550270A (en) * | 2020-05-20 | 2020-08-18 | 中铁隧道集团一处有限公司 | Ultra-large self-propelled tunnel multifunctional operation platform and tunnel steel bar waterproof board construction method |
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Application publication date: 20210618 |
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